IPFire-SCM May 2016

ipfire-scm@lists.ipfire.org

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[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 55c645ba4862818beb67ea46242dbd683f7b1d7f
by git＠ipfire.org 23 May '16

23 May '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "IPFire 2.x development tree". The branch, next has been updated via 55c645ba4862818beb67ea46242dbd683f7b1d7f (commit) from 43d91dad5166c5c345fd936095373452155dfdbd (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 55c645ba4862818beb67ea46242dbd683f7b1d7f Author: Arne Fitzenreiter <arne_f(a)ipfire.org> Date: Mon May 23 23:08:01 2016 +0200 samba: import updated rpc security patchset from red hat. Signed-off-by: Arne Fitzenreiter <arne_f(a)ipfire.org> ----------------------------------------------------------------------- Summary of changes: lfs/samba | 6 +- ...-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch | 39 ------ ...-0abef6992dc342d443137f8a2ac6c01f490cecee.patch | 40 ------ ...-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch | 58 -------- src/patches/samba/CVE-preparation-v3-6.patch | 156 +++++++++++---------- 5 files changed, 85 insertions(+), 214 deletions(-) delete mode 100644 src/patches/samba/1-samba.git-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch delete mode 100644 src/patches/samba/2-samba.git-0abef6992dc342d443137f8a2ac6c01f490cecee.patch delete mode 100644 src/patches/samba/3-samba.git-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch Difference in files: diff --git a/lfs/samba b/lfs/samba index f771986..369f486 100644 --- a/lfs/samba +++ b/lfs/samba @@ -32,7 +32,7 @@ DL_FROM = $(URL_IPFIRE) DIR_APP = $(DIR_SRC)/$(THISAPP) TARGET = $(DIR_INFO)/$(THISAPP) PROG = samba -PAK_VER = 62 +PAK_VER = 63 DEPS = "cups krb5" @@ -88,10 +88,6 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects)) cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/samba/CVE-2016-2118-v3-6.patch cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/samba/CVE-2015-5370-v3-6.patch - cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/samba/1-samba.git-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch - cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/samba/2-samba.git-0abef6992dc342d443137f8a2ac6c01f490cecee.patch - cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/samba/3-samba.git-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch - cd $(DIR_APP)/source3 && ./autogen.sh cd $(DIR_APP)/source3 && ./configure \ --prefix=/usr \ diff --git a/src/patches/samba/1-samba.git-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch b/src/patches/samba/1-samba.git-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch deleted file mode 100644 index ec449c3..0000000 --- a/src/patches/samba/1-samba.git-82fa625540abf8b8ec23d43c41e2ca906a9928a5.patch +++ /dev/null @@ -1,39 +0,0 @@ -From 82fa625540abf8b8ec23d43c41e2ca906a9928a5 Mon Sep 17 00:00:00 2001 -From: Andreas Schneider <asn(a)samba.org> -Date: Fri, 15 Apr 2016 11:56:08 +0200 -Subject: [PATCH] s3:rpc_server: Fix a regression verifying the security - trailer - -We do not support header signing so we should not check verify it if a -client sends the flag. - -Signed-off-by: Andreas Schneider <asn(a)samba.org> -Reviewed-by: Guenther Deschner <gd(a)samba.org> ---- - source3/rpc_server/srv_pipe.c | 3 +-- - 1 file changed, 1 insertion(+), 2 deletions(-) - -diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c -index d659705..fa354a6 100644 ---- a/source3/rpc_server/srv_pipe.c -+++ b/source3/rpc_server/srv_pipe.c -@@ -1552,7 +1552,6 @@ static bool srv_pipe_check_verification_trailer(struct pipes_struct *p, - { - TALLOC_CTX *frame = talloc_stackframe(); - struct dcerpc_sec_verification_trailer *vt = NULL; -- const uint32_t bitmask1 = 0; - const struct dcerpc_sec_vt_pcontext pcontext = { - .abstract_syntax = pipe_fns->syntax, - .transfer_syntax = ndr_transfer_syntax, -@@ -1573,7 +1572,7 @@ static bool srv_pipe_check_verification_trailer(struct pipes_struct *p, - goto done; - } - -- ret = dcerpc_sec_verification_trailer_check(vt, &bitmask1, -+ ret = dcerpc_sec_verification_trailer_check(vt, NULL, - &pcontext, &header2); - done: - TALLOC_FREE(frame); --- -1.9.1 - diff --git a/src/patches/samba/2-samba.git-0abef6992dc342d443137f8a2ac6c01f490cecee.patch b/src/patches/samba/2-samba.git-0abef6992dc342d443137f8a2ac6c01f490cecee.patch deleted file mode 100644 index 074653c..0000000 --- a/src/patches/samba/2-samba.git-0abef6992dc342d443137f8a2ac6c01f490cecee.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 0abef6992dc342d443137f8a2ac6c01f490cecee Mon Sep 17 00:00:00 2001 -From: Christian Ambach <ambi(a)samba.org> -Date: Wed, 20 Feb 2013 16:59:05 +0100 -Subject: [PATCH] s3:rpc_client fix a crash - -state->cli->dc does not have to be set (e.g. when running -net rpc join against an older Samba PDC), so check it before dereferencing it - -This fixes Bug 9669 - net rpc join crashes against a Samba 3.0.33 PDC - -Bug: https://bugzilla.samba.org/show_bug.cgi?id=9669 - -Signed-off-by: Christian Ambach <ambi(a)samba.org> -Reviewed-by: Andreas Schneider <asn(a)samba.org> - -Autobuild-User(master): Christian Ambach <ambi(a)samba.org> -Autobuild-Date(master): Wed Feb 20 19:00:52 CET 2013 on sn-devel-104 -(cherry picked from commit 3d29bb2d37b02909ecb500e864f3c13e06957a86) - -(cherry picked from commit ff658bb36c28c9db91fc80a68725e893ffe300aa) ---- - source3/rpc_client/cli_pipe.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/source3/rpc_client/cli_pipe.c b/source3/rpc_client/cli_pipe.c -index 5ddabb7..a211d92 100644 ---- a/source3/rpc_client/cli_pipe.c -+++ b/source3/rpc_client/cli_pipe.c -@@ -2136,7 +2136,7 @@ static void rpc_pipe_bind_step_two_done(struct tevent_req *subreq) - status = dcerpc_netr_LogonGetCapabilities_r_recv(subreq, talloc_tos()); - TALLOC_FREE(subreq); - if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) { -- if (state->cli->dc->negotiate_flags & -+ if (state->cli->dc && state->cli->dc->negotiate_flags & - NETLOGON_NEG_SUPPORTS_AES) { - DEBUG(5, ("AES is not supported and the error was %s\n", - nt_errstr(status))); --- -1.9.1 - diff --git a/src/patches/samba/3-samba.git-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch b/src/patches/samba/3-samba.git-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch deleted file mode 100644 index 75aedd8..0000000 --- a/src/patches/samba/3-samba.git-2d0424e7bb2c30bf9049529b207c73b55370dfc8.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 2d0424e7bb2c30bf9049529b207c73b55370dfc8 Mon Sep 17 00:00:00 2001 -From: Andreas Schneider <asn(a)samba.org> -Date: Tue, 10 Jan 2012 16:38:16 +0100 -Subject: [PATCH] s3-rpc_client: Fix updating netlogon credentials. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: GÃ¼nther Deschner <gd(a)samba.org> -(cherry picked from commit 33206b1e240e55acedad606aed4f1952f7496b35) ---- - source3/rpc_client/cli_pipe.c | 15 +++++++-------- - 1 file changed, 7 insertions(+), 8 deletions(-) - -diff --git a/source3/rpc_client/cli_pipe.c b/source3/rpc_client/cli_pipe.c -index a211d92..92ca494 100644 ---- a/source3/rpc_client/cli_pipe.c -+++ b/source3/rpc_client/cli_pipe.c -@@ -2128,9 +2128,6 @@ static void rpc_pipe_bind_step_two_done(struct tevent_req *subreq) - struct rpc_pipe_bind_state *state = - tevent_req_data(req, - struct rpc_pipe_bind_state); -- struct schannel_state *schannel_auth = -- talloc_get_type_abort(state->cli->auth->auth_ctx, -- struct schannel_state); - NTSTATUS status; - - status = dcerpc_netr_LogonGetCapabilities_r_recv(subreq, talloc_tos()); -@@ -2188,8 +2185,8 @@ static void rpc_pipe_bind_step_two_done(struct tevent_req *subreq) - return; - } - -- TALLOC_FREE(schannel_auth->creds); -- schannel_auth->creds = talloc_steal(state->cli, state->creds); -+ TALLOC_FREE(state->cli->dc); -+ state->cli->dc = talloc_steal(state->cli, state->creds); - - if (!NT_STATUS_IS_OK(state->r.out.result)) { - DEBUG(0, ("dcerpc_netr_LogonGetCapabilities_r_recv failed with %s\n", -@@ -3385,10 +3382,12 @@ NTSTATUS cli_rpc_pipe_open_schannel_with_key(struct cli_state *cli, - * The credentials on a new netlogon pipe are the ones we are passed - * in - copy them over - */ -- result->dc = netlogon_creds_copy(result, *pdc); - if (result->dc == NULL) { -- TALLOC_FREE(result); -- return NT_STATUS_NO_MEMORY; -+ result->dc = netlogon_creds_copy(result, *pdc); -+ if (result->dc == NULL) { -+ TALLOC_FREE(result); -+ return NT_STATUS_NO_MEMORY; -+ } - } - - DEBUG(10,("cli_rpc_pipe_open_schannel_with_key: opened pipe %s to machine %s " --- -1.9.1 - diff --git a/src/patches/samba/CVE-preparation-v3-6.patch b/src/patches/samba/CVE-preparation-v3-6.patch index 48af30c..c4891d6 100644 --- a/src/patches/samba/CVE-preparation-v3-6.patch +++ b/src/patches/samba/CVE-preparation-v3-6.patch @@ -1,7 +1,7 @@ From 39a3fa39967faaf216be8e108ca57d07de1aa95a Mon Sep 17 00:00:00 2001 From: Vadim Zhukov <persgray(a)gmail.com> Date: Sat, 25 May 2013 15:19:24 +0100 -Subject: [PATCH 01/41] pidl: Recent Perl warns about "defined(@var)" +Subject: [PATCH 01/44] pidl: Recent Perl warns about "defined(@var)" constructs. Signed-off-by: Jelmer Vernooij <jelmer(a)samba.org> @@ -1170,7 +1170,7 @@ Index: samba-3.6.23/source3/Makefile.in - lib/bitmap.o lib/dprintf.o $(UTIL_REG_OBJ) \ + ../lib/util/bitmap.o lib/dprintf.o $(UTIL_REG_OBJ) \ lib/wins_srv.o \ - lib/util_str.o lib/clobber.o lib/util_sid.o \ + lib/util_str.o lib/clobber.o lib/util_sid.o lib/util_specialsids.o \ lib/util_unistr.o ../lib/util/charset/codepoints.o lib/util_file.o \ @@ -988,7 +989,9 @@ SWAT_OBJ = $(SWAT_OBJ1) $(PARAM_OBJ) $(P $(POPT_LIB_OBJ) $(SMBLDAP_OBJ) $(LIBMSRPC_GEN_OBJ) $(LIBMSRPC_OBJ) \ @@ -2376,7 +2376,7 @@ Index: samba-3.6.23/source3/rpc_client/cli_pipe.c case DCERPC_AUTH_TYPE_NTLMSSP: case DCERPC_AUTH_TYPE_SPNEGO: case DCERPC_AUTH_TYPE_KRB5: -@@ -1869,6 +2068,153 @@ err_out: +@@ -1869,6 +2068,150 @@ err_out: tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR); } @@ -2440,15 +2440,12 @@ Index: samba-3.6.23/source3/rpc_client/cli_pipe.c + struct rpc_pipe_bind_state *state = + tevent_req_data(req, + struct rpc_pipe_bind_state); -+ struct schannel_state *schannel_auth = -+ talloc_get_type_abort(state->cli->auth->auth_ctx, -+ struct schannel_state); + NTSTATUS status; + + status = dcerpc_netr_LogonGetCapabilities_r_recv(subreq, talloc_tos()); + TALLOC_FREE(subreq); + if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) { -+ if (state->cli->dc->negotiate_flags & ++ if (state->cli->dc && state->cli->dc->negotiate_flags & + NETLOGON_NEG_SUPPORTS_AES) { + DEBUG(5, ("AES is not supported and the error was %s\n", + nt_errstr(status))); @@ -2500,8 +2497,8 @@ Index: samba-3.6.23/source3/rpc_client/cli_pipe.c + return; + } + -+ TALLOC_FREE(schannel_auth->creds); -+ schannel_auth->creds = talloc_steal(state->cli, state->creds); ++ TALLOC_FREE(state->cli->dc); ++ state->cli->dc = talloc_steal(state->cli, state->creds); + + if (!NT_STATUS_IS_OK(state->r.out.result)) { + DEBUG(0, ("dcerpc_netr_LogonGetCapabilities_r_recv failed with %s\n", @@ -2530,6 +2527,22 @@ Index: samba-3.6.23/source3/rpc_client/cli_pipe.c static NTSTATUS rpc_bind_next_send(struct tevent_req *req, struct rpc_pipe_bind_state *state, DATA_BLOB *auth_token) +@@ -3039,10 +3382,12 @@ NTSTATUS cli_rpc_pipe_open_schannel_with + * The credentials on a new netlogon pipe are the ones we are passed + * in - copy them over + */ +- result->dc = netlogon_creds_copy(result, *pdc); + if (result->dc == NULL) { +- TALLOC_FREE(result); +- return NT_STATUS_NO_MEMORY; ++ result->dc = netlogon_creds_copy(result, *pdc); ++ if (result->dc == NULL) { ++ TALLOC_FREE(result); ++ return NT_STATUS_NO_MEMORY; ++ } + } + + DEBUG(10,("cli_rpc_pipe_open_schannel_with_key: opened pipe %s to machine %s " Index: samba-3.6.23/source3/librpc/rpc/dcerpc.h =================================================================== --- samba-3.6.23.orig/source3/librpc/rpc/dcerpc.h @@ -3688,7 +3701,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c /* add to the list of open contexts */ -@@ -1541,7 +1543,42 @@ static PIPE_RPC_FNS* find_pipe_fns_by_co +@@ -1541,7 +1543,41 @@ static PIPE_RPC_FNS* find_pipe_fns_by_co } static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt, @@ -3702,7 +3715,6 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct dcerpc_sec_verification_trailer *vt = NULL; -+ const uint32_t bitmask1 = 0; + const struct dcerpc_sec_vt_pcontext pcontext = { + .abstract_syntax = pipe_fns->syntax, + .transfer_syntax = ndr_transfer_syntax, @@ -3723,7 +3735,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c + goto done; + } + -+ ret = dcerpc_sec_verification_trailer_check(vt, &bitmask1, ++ ret = dcerpc_sec_verification_trailer_check(vt, NULL, + &pcontext, &header2); +done: + TALLOC_FREE(frame); @@ -3732,7 +3744,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c /**************************************************************************** Find the correct RPC function to call for this request. -@@ -1552,46 +1589,53 @@ static bool api_rpcTNP(struct pipes_stru +@@ -1552,46 +1588,53 @@ static bool api_rpcTNP(struct pipes_stru static bool api_pipe_request(struct pipes_struct *p, struct ncacn_packet *pkt) { @@ -3811,7 +3823,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c return ret; } -@@ -1600,20 +1644,21 @@ static bool api_pipe_request(struct pipe +@@ -1600,20 +1643,21 @@ static bool api_pipe_request(struct pipe ********************************************************************/ static bool api_rpcTNP(struct pipes_struct *p, struct ncacn_packet *pkt, @@ -3836,7 +3848,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c dump_pdu_region(name, pkt->u.request.opnum, &p->in_data.data, 0, p->in_data.data.length); -@@ -1646,37 +1691,30 @@ static bool api_rpcTNP(struct pipes_stru +@@ -1646,37 +1690,30 @@ static bool api_rpcTNP(struct pipes_stru /* do the actual command */ if(!api_rpc_cmds[fn_num].fn(p)) { DEBUG(0,("api_rpcTNP: %s: %s failed.\n", @@ -3882,7 +3894,7 @@ Index: samba-3.6.23/source3/rpc_server/srv_pipe.c /* Check for buffer underflow in rpc parsing */ if ((DEBUGLEVEL >= 10) && -@@ -1718,9 +1756,9 @@ void set_incoming_fault(struct pipes_str +@@ -1718,9 +1755,9 @@ void set_incoming_fault(struct pipes_str data_blob_free(&p->in_data.data); p->in_data.pdu_needed_len = 0; p->in_data.pdu.length = 0; @@ -5626,7 +5638,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c =================================================================== --- samba-3.6.23.orig/source3/rpc_server/spoolss/srv_spoolss_nt.c +++ samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c -@@ -10201,7 +10201,7 @@ WERROR _spoolss_AddPort(struct pipes_str +@@ -10207,7 +10207,7 @@ WERROR _spoolss_AddPort(struct pipes_str WERROR _spoolss_GetPrinterDriver(struct pipes_struct *p, struct spoolss_GetPrinterDriver *r) { @@ -5635,7 +5647,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10212,7 +10212,7 @@ WERROR _spoolss_GetPrinterDriver(struct +@@ -10218,7 +10218,7 @@ WERROR _spoolss_GetPrinterDriver(struct WERROR _spoolss_ReadPrinter(struct pipes_struct *p, struct spoolss_ReadPrinter *r) { @@ -5644,7 +5656,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10223,7 +10223,7 @@ WERROR _spoolss_ReadPrinter(struct pipes +@@ -10229,7 +10229,7 @@ WERROR _spoolss_ReadPrinter(struct pipes WERROR _spoolss_WaitForPrinterChange(struct pipes_struct *p, struct spoolss_WaitForPrinterChange *r) { @@ -5653,7 +5665,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10234,7 +10234,7 @@ WERROR _spoolss_WaitForPrinterChange(str +@@ -10240,7 +10240,7 @@ WERROR _spoolss_WaitForPrinterChange(str WERROR _spoolss_ConfigurePort(struct pipes_struct *p, struct spoolss_ConfigurePort *r) { @@ -5662,7 +5674,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10245,7 +10245,7 @@ WERROR _spoolss_ConfigurePort(struct pip +@@ -10251,7 +10251,7 @@ WERROR _spoolss_ConfigurePort(struct pip WERROR _spoolss_DeletePort(struct pipes_struct *p, struct spoolss_DeletePort *r) { @@ -5671,7 +5683,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10256,7 +10256,7 @@ WERROR _spoolss_DeletePort(struct pipes_ +@@ -10262,7 +10262,7 @@ WERROR _spoolss_DeletePort(struct pipes_ WERROR _spoolss_CreatePrinterIC(struct pipes_struct *p, struct spoolss_CreatePrinterIC *r) { @@ -5680,7 +5692,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10267,7 +10267,7 @@ WERROR _spoolss_CreatePrinterIC(struct p +@@ -10273,7 +10273,7 @@ WERROR _spoolss_CreatePrinterIC(struct p WERROR _spoolss_PlayGDIScriptOnPrinterIC(struct pipes_struct *p, struct spoolss_PlayGDIScriptOnPrinterIC *r) { @@ -5689,7 +5701,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10278,7 +10278,7 @@ WERROR _spoolss_PlayGDIScriptOnPrinterIC +@@ -10284,7 +10284,7 @@ WERROR _spoolss_PlayGDIScriptOnPrinterIC WERROR _spoolss_DeletePrinterIC(struct pipes_struct *p, struct spoolss_DeletePrinterIC *r) { @@ -5698,7 +5710,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10289,7 +10289,7 @@ WERROR _spoolss_DeletePrinterIC(struct p +@@ -10295,7 +10295,7 @@ WERROR _spoolss_DeletePrinterIC(struct p WERROR _spoolss_AddPrinterConnection(struct pipes_struct *p, struct spoolss_AddPrinterConnection *r) { @@ -5707,7 +5719,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10300,7 +10300,7 @@ WERROR _spoolss_AddPrinterConnection(str +@@ -10306,7 +10306,7 @@ WERROR _spoolss_AddPrinterConnection(str WERROR _spoolss_DeletePrinterConnection(struct pipes_struct *p, struct spoolss_DeletePrinterConnection *r) { @@ -5716,7 +5728,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10311,7 +10311,7 @@ WERROR _spoolss_DeletePrinterConnection( +@@ -10317,7 +10317,7 @@ WERROR _spoolss_DeletePrinterConnection( WERROR _spoolss_PrinterMessageBox(struct pipes_struct *p, struct spoolss_PrinterMessageBox *r) { @@ -5725,7 +5737,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10322,7 +10322,7 @@ WERROR _spoolss_PrinterMessageBox(struct +@@ -10328,7 +10328,7 @@ WERROR _spoolss_PrinterMessageBox(struct WERROR _spoolss_AddMonitor(struct pipes_struct *p, struct spoolss_AddMonitor *r) { @@ -5734,7 +5746,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10333,7 +10333,7 @@ WERROR _spoolss_AddMonitor(struct pipes_ +@@ -10339,7 +10339,7 @@ WERROR _spoolss_AddMonitor(struct pipes_ WERROR _spoolss_DeleteMonitor(struct pipes_struct *p, struct spoolss_DeleteMonitor *r) { @@ -5743,7 +5755,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10344,7 +10344,7 @@ WERROR _spoolss_DeleteMonitor(struct pip +@@ -10350,7 +10350,7 @@ WERROR _spoolss_DeleteMonitor(struct pip WERROR _spoolss_DeletePrintProcessor(struct pipes_struct *p, struct spoolss_DeletePrintProcessor *r) { @@ -5752,7 +5764,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10355,7 +10355,7 @@ WERROR _spoolss_DeletePrintProcessor(str +@@ -10361,7 +10361,7 @@ WERROR _spoolss_DeletePrintProcessor(str WERROR _spoolss_AddPrintProvidor(struct pipes_struct *p, struct spoolss_AddPrintProvidor *r) { @@ -5761,7 +5773,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10366,7 +10366,7 @@ WERROR _spoolss_AddPrintProvidor(struct +@@ -10372,7 +10372,7 @@ WERROR _spoolss_AddPrintProvidor(struct WERROR _spoolss_DeletePrintProvidor(struct pipes_struct *p, struct spoolss_DeletePrintProvidor *r) { @@ -5770,7 +5782,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10377,7 +10377,7 @@ WERROR _spoolss_DeletePrintProvidor(stru +@@ -10383,7 +10383,7 @@ WERROR _spoolss_DeletePrintProvidor(stru WERROR _spoolss_FindFirstPrinterChangeNotification(struct pipes_struct *p, struct spoolss_FindFirstPrinterChangeNotification *r) { @@ -5779,7 +5791,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10388,7 +10388,7 @@ WERROR _spoolss_FindFirstPrinterChangeNo +@@ -10394,7 +10394,7 @@ WERROR _spoolss_FindFirstPrinterChangeNo WERROR _spoolss_FindNextPrinterChangeNotification(struct pipes_struct *p, struct spoolss_FindNextPrinterChangeNotification *r) { @@ -5788,7 +5800,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10399,7 +10399,7 @@ WERROR _spoolss_FindNextPrinterChangeNot +@@ -10405,7 +10405,7 @@ WERROR _spoolss_FindNextPrinterChangeNot WERROR _spoolss_RouterFindFirstPrinterChangeNotificationOld(struct pipes_struct *p, struct spoolss_RouterFindFirstPrinterChangeNotificationOld *r) { @@ -5797,7 +5809,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10410,7 +10410,7 @@ WERROR _spoolss_RouterFindFirstPrinterCh +@@ -10416,7 +10416,7 @@ WERROR _spoolss_RouterFindFirstPrinterCh WERROR _spoolss_ReplyOpenPrinter(struct pipes_struct *p, struct spoolss_ReplyOpenPrinter *r) { @@ -5806,7 +5818,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10421,7 +10421,7 @@ WERROR _spoolss_ReplyOpenPrinter(struct +@@ -10427,7 +10427,7 @@ WERROR _spoolss_ReplyOpenPrinter(struct WERROR _spoolss_RouterReplyPrinter(struct pipes_struct *p, struct spoolss_RouterReplyPrinter *r) { @@ -5815,7 +5827,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10432,7 +10432,7 @@ WERROR _spoolss_RouterReplyPrinter(struc +@@ -10438,7 +10438,7 @@ WERROR _spoolss_RouterReplyPrinter(struc WERROR _spoolss_ReplyClosePrinter(struct pipes_struct *p, struct spoolss_ReplyClosePrinter *r) { @@ -5824,7 +5836,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10443,7 +10443,7 @@ WERROR _spoolss_ReplyClosePrinter(struct +@@ -10449,7 +10449,7 @@ WERROR _spoolss_ReplyClosePrinter(struct WERROR _spoolss_AddPortEx(struct pipes_struct *p, struct spoolss_AddPortEx *r) { @@ -5833,7 +5845,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10454,7 +10454,7 @@ WERROR _spoolss_AddPortEx(struct pipes_s +@@ -10460,7 +10460,7 @@ WERROR _spoolss_AddPortEx(struct pipes_s WERROR _spoolss_RouterFindFirstPrinterChangeNotification(struct pipes_struct *p, struct spoolss_RouterFindFirstPrinterChangeNotification *r) { @@ -5842,7 +5854,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10465,7 +10465,7 @@ WERROR _spoolss_RouterFindFirstPrinterCh +@@ -10471,7 +10471,7 @@ WERROR _spoolss_RouterFindFirstPrinterCh WERROR _spoolss_SpoolerInit(struct pipes_struct *p, struct spoolss_SpoolerInit *r) { @@ -5851,7 +5863,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10476,7 +10476,7 @@ WERROR _spoolss_SpoolerInit(struct pipes +@@ -10482,7 +10482,7 @@ WERROR _spoolss_SpoolerInit(struct pipes WERROR _spoolss_ResetPrinterEx(struct pipes_struct *p, struct spoolss_ResetPrinterEx *r) { @@ -5860,7 +5872,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10487,7 +10487,7 @@ WERROR _spoolss_ResetPrinterEx(struct pi +@@ -10493,7 +10493,7 @@ WERROR _spoolss_ResetPrinterEx(struct pi WERROR _spoolss_RouterReplyPrinterEx(struct pipes_struct *p, struct spoolss_RouterReplyPrinterEx *r) { @@ -5869,7 +5881,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10498,7 +10498,7 @@ WERROR _spoolss_RouterReplyPrinterEx(str +@@ -10504,7 +10504,7 @@ WERROR _spoolss_RouterReplyPrinterEx(str WERROR _spoolss_44(struct pipes_struct *p, struct spoolss_44 *r) { @@ -5878,7 +5890,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10509,7 +10509,7 @@ WERROR _spoolss_44(struct pipes_struct * +@@ -10515,7 +10515,7 @@ WERROR _spoolss_44(struct pipes_struct * WERROR _spoolss_SetPort(struct pipes_struct *p, struct spoolss_SetPort *r) { @@ -5887,7 +5899,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10520,7 +10520,7 @@ WERROR _spoolss_SetPort(struct pipes_str +@@ -10526,7 +10526,7 @@ WERROR _spoolss_SetPort(struct pipes_str WERROR _spoolss_4a(struct pipes_struct *p, struct spoolss_4a *r) { @@ -5896,7 +5908,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10531,7 +10531,7 @@ WERROR _spoolss_4a(struct pipes_struct * +@@ -10537,7 +10537,7 @@ WERROR _spoolss_4a(struct pipes_struct * WERROR _spoolss_4b(struct pipes_struct *p, struct spoolss_4b *r) { @@ -5905,7 +5917,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10542,7 +10542,7 @@ WERROR _spoolss_4b(struct pipes_struct * +@@ -10548,7 +10548,7 @@ WERROR _spoolss_4b(struct pipes_struct * WERROR _spoolss_4c(struct pipes_struct *p, struct spoolss_4c *r) { @@ -5914,7 +5926,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10553,7 +10553,7 @@ WERROR _spoolss_4c(struct pipes_struct * +@@ -10559,7 +10559,7 @@ WERROR _spoolss_4c(struct pipes_struct * WERROR _spoolss_53(struct pipes_struct *p, struct spoolss_53 *r) { @@ -5923,7 +5935,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10564,7 +10564,7 @@ WERROR _spoolss_53(struct pipes_struct * +@@ -10570,7 +10570,7 @@ WERROR _spoolss_53(struct pipes_struct * WERROR _spoolss_AddPerMachineConnection(struct pipes_struct *p, struct spoolss_AddPerMachineConnection *r) { @@ -5932,7 +5944,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10575,7 +10575,7 @@ WERROR _spoolss_AddPerMachineConnection( +@@ -10581,7 +10581,7 @@ WERROR _spoolss_AddPerMachineConnection( WERROR _spoolss_DeletePerMachineConnection(struct pipes_struct *p, struct spoolss_DeletePerMachineConnection *r) { @@ -5941,7 +5953,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10586,7 +10586,7 @@ WERROR _spoolss_DeletePerMachineConnecti +@@ -10592,7 +10592,7 @@ WERROR _spoolss_DeletePerMachineConnecti WERROR _spoolss_EnumPerMachineConnections(struct pipes_struct *p, struct spoolss_EnumPerMachineConnections *r) { @@ -5950,7 +5962,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10597,7 +10597,7 @@ WERROR _spoolss_EnumPerMachineConnection +@@ -10603,7 +10603,7 @@ WERROR _spoolss_EnumPerMachineConnection WERROR _spoolss_5a(struct pipes_struct *p, struct spoolss_5a *r) { @@ -5959,7 +5971,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10608,7 +10608,7 @@ WERROR _spoolss_5a(struct pipes_struct * +@@ -10614,7 +10614,7 @@ WERROR _spoolss_5a(struct pipes_struct * WERROR _spoolss_5b(struct pipes_struct *p, struct spoolss_5b *r) { @@ -5968,7 +5980,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10619,7 +10619,7 @@ WERROR _spoolss_5b(struct pipes_struct * +@@ -10625,7 +10625,7 @@ WERROR _spoolss_5b(struct pipes_struct * WERROR _spoolss_5c(struct pipes_struct *p, struct spoolss_5c *r) { @@ -5977,7 +5989,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10630,7 +10630,7 @@ WERROR _spoolss_5c(struct pipes_struct * +@@ -10636,7 +10636,7 @@ WERROR _spoolss_5c(struct pipes_struct * WERROR _spoolss_5d(struct pipes_struct *p, struct spoolss_5d *r) { @@ -5986,7 +5998,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10641,7 +10641,7 @@ WERROR _spoolss_5d(struct pipes_struct * +@@ -10647,7 +10647,7 @@ WERROR _spoolss_5d(struct pipes_struct * WERROR _spoolss_5e(struct pipes_struct *p, struct spoolss_5e *r) { @@ -5995,7 +6007,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10652,7 +10652,7 @@ WERROR _spoolss_5e(struct pipes_struct * +@@ -10658,7 +10658,7 @@ WERROR _spoolss_5e(struct pipes_struct * WERROR _spoolss_5f(struct pipes_struct *p, struct spoolss_5f *r) { @@ -6004,7 +6016,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10663,7 +10663,7 @@ WERROR _spoolss_5f(struct pipes_struct * +@@ -10669,7 +10669,7 @@ WERROR _spoolss_5f(struct pipes_struct * WERROR _spoolss_60(struct pipes_struct *p, struct spoolss_60 *r) { @@ -6013,7 +6025,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10674,7 +10674,7 @@ WERROR _spoolss_60(struct pipes_struct * +@@ -10680,7 +10680,7 @@ WERROR _spoolss_60(struct pipes_struct * WERROR _spoolss_61(struct pipes_struct *p, struct spoolss_61 *r) { @@ -6022,7 +6034,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10685,7 +10685,7 @@ WERROR _spoolss_61(struct pipes_struct * +@@ -10691,7 +10691,7 @@ WERROR _spoolss_61(struct pipes_struct * WERROR _spoolss_62(struct pipes_struct *p, struct spoolss_62 *r) { @@ -6031,7 +6043,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10696,7 +10696,7 @@ WERROR _spoolss_62(struct pipes_struct * +@@ -10702,7 +10702,7 @@ WERROR _spoolss_62(struct pipes_struct * WERROR _spoolss_63(struct pipes_struct *p, struct spoolss_63 *r) { @@ -6040,7 +6052,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10707,7 +10707,7 @@ WERROR _spoolss_63(struct pipes_struct * +@@ -10713,7 +10713,7 @@ WERROR _spoolss_63(struct pipes_struct * WERROR _spoolss_64(struct pipes_struct *p, struct spoolss_64 *r) { @@ -6049,7 +6061,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10718,7 +10718,7 @@ WERROR _spoolss_64(struct pipes_struct * +@@ -10724,7 +10724,7 @@ WERROR _spoolss_64(struct pipes_struct * WERROR _spoolss_65(struct pipes_struct *p, struct spoolss_65 *r) { @@ -6058,7 +6070,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10729,7 +10729,7 @@ WERROR _spoolss_65(struct pipes_struct * +@@ -10735,7 +10735,7 @@ WERROR _spoolss_65(struct pipes_struct * WERROR _spoolss_GetCorePrinterDrivers(struct pipes_struct *p, struct spoolss_GetCorePrinterDrivers *r) { @@ -6067,7 +6079,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10740,7 +10740,7 @@ WERROR _spoolss_GetCorePrinterDrivers(st +@@ -10746,7 +10746,7 @@ WERROR _spoolss_GetCorePrinterDrivers(st WERROR _spoolss_67(struct pipes_struct *p, struct spoolss_67 *r) { @@ -6076,7 +6088,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10751,7 +10751,7 @@ WERROR _spoolss_67(struct pipes_struct * +@@ -10757,7 +10757,7 @@ WERROR _spoolss_67(struct pipes_struct * WERROR _spoolss_GetPrinterDriverPackagePath(struct pipes_struct *p, struct spoolss_GetPrinterDriverPackagePath *r) { @@ -6085,7 +6097,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10762,7 +10762,7 @@ WERROR _spoolss_GetPrinterDriverPackageP +@@ -10768,7 +10768,7 @@ WERROR _spoolss_GetPrinterDriverPackageP WERROR _spoolss_69(struct pipes_struct *p, struct spoolss_69 *r) { @@ -6094,7 +6106,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10773,7 +10773,7 @@ WERROR _spoolss_69(struct pipes_struct * +@@ -10779,7 +10779,7 @@ WERROR _spoolss_69(struct pipes_struct * WERROR _spoolss_6a(struct pipes_struct *p, struct spoolss_6a *r) { @@ -6103,7 +6115,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10784,7 +10784,7 @@ WERROR _spoolss_6a(struct pipes_struct * +@@ -10790,7 +10790,7 @@ WERROR _spoolss_6a(struct pipes_struct * WERROR _spoolss_6b(struct pipes_struct *p, struct spoolss_6b *r) { @@ -6112,7 +6124,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10795,7 +10795,7 @@ WERROR _spoolss_6b(struct pipes_struct * +@@ -10801,7 +10801,7 @@ WERROR _spoolss_6b(struct pipes_struct * WERROR _spoolss_6c(struct pipes_struct *p, struct spoolss_6c *r) { @@ -6121,7 +6133,7 @@ Index: samba-3.6.23/source3/rpc_server/spoolss/srv_spoolss_nt.c return WERR_NOT_SUPPORTED; } -@@ -10806,6 +10806,6 @@ WERROR _spoolss_6c(struct pipes_struct * +@@ -10812,6 +10812,6 @@ WERROR _spoolss_6c(struct pipes_struct * WERROR _spoolss_6d(struct pipes_struct *p, struct spoolss_6d *r) { hooks/post-receive -- IPFire 2.x development tree

1 0

[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 43d91dad5166c5c345fd936095373452155dfdbd
by git＠ipfire.org 22 May '16

22 May '16

1 0

[git.ipfire.org] IPFire 3.x development tree branch, master, updated. 93d3d8c01de8c0447386669fa33feca60ef40be3
by git＠ipfire.org 20 May '16

20 May '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "IPFire 3.x development tree". The branch, master has been updated via 93d3d8c01de8c0447386669fa33feca60ef40be3 (commit) from ea4916c7b9fe412a8cebc62cc493f1b78a78645b (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 93d3d8c01de8c0447386669fa33feca60ef40be3 Author: Stefan Schantl <stefan.schantl(a)ipfire.org> Date: Fri May 20 14:06:12 2016 +0200 pdns: Update to 4.0-alpha3 This is an update to the latest available development snapshot for the next major version of PowerDNS. The powerDNS 4.0 series is currently under heavy devolpment and the team periodly releaes develoment snaphots (currently alpha3). A lot of the implemented improvements are listed on their official blog: https://blog.powerdns.com/2016/03/09/powerdns-recursor-4-0-0-alpha-2-releas… https://blog.powerdns.com/2016/05/11/powerdns-authoritative-server-4-0-0-al… One of the most important advantages against the current used powerDNS 3 series is, that the next major version will be able use openssl for crytographic operations and not longer require polarssl/mbedtls for them. Fixes: #11126 Reference #10947, #11125 Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> ----------------------------------------------------------------------- Summary of changes: pdns/pdns.nm | 38 ++++++++++++++++++-------------------- 1 file changed, 18 insertions(+), 20 deletions(-) Difference in files: diff --git a/pdns/pdns.nm b/pdns/pdns.nm index 0366ab5..10d9f84 100644 --- a/pdns/pdns.nm +++ b/pdns/pdns.nm @@ -4,8 +4,10 @@ ############################################################################### name = pdns -version = 3.4.7 -release = 2 +version = 4.0.0 +prerelease = alpha3 +release = 0.1-%{prerelease} +thisapp = %{name}-%{version}-%{prerelease} groups = Networking/DNS url = http://powerdns.com/ @@ -23,18 +25,18 @@ source_dl = http://downloads.powerdns.com/releases/ sources = %{thisapp}.tar.bz2 build - # pdns uses polarssl which is no longer maintained - # upstream any more. Since nothing else is using - # polarssl any more we have dropped this from the - # distribution and bundle it with pdns. - requires - boost-devel - chrpath + /usr/bin/hostname + boost-devel >= 1.60.0 + bison + flex gcc-c++ + libsodium-devel lua-devel + openssl-devel shadow-utils sqlite-devel + systemd-devel zlib-devel end @@ -43,12 +45,16 @@ build configure_options += \ --sysconfdir=%{sysconfdir}/pdns \ + --libdir=%{libdir}/powerdns \ --with-modules="" \ - --with-dynmodules="pipe geo gsqlite3" \ + --with-dynmodules="pipe gsqlite3" \ --with-lua \ + --with-sqlite3 \ + --enable-libsodium \ + --enable-systemd \ --enable-tools \ - --disable-static \ - --enable-unit-tests + --enable-unit-tests \ + --disable-static prepare_cmds %{create_user} @@ -81,14 +87,6 @@ build # Remove unneded binaries. rm -vf %{BUILDROOT}%{bindir}/zone2ldap - - # Remove rpath from binaries and backend libs. - chrpath --delete %{BUILDROOT}/usr/bin/pdns_control - chrpath --delete %{BUILDROOT}/usr/bin/zone2sql - chrpath --delete %{BUILDROOT}/usr/sbin/pdns_server - chrpath --delete %{BUILDROOT}%{libdir}/pdns/*.so - chrpath --delete %{BUILDROOT}/usr/bin/dnsreplay - chrpath --delete %{BUILDROOT}/usr/bin/pdnssec end end hooks/post-receive -- IPFire 3.x development tree

1 0

[git.ipfire.org] IPFire 3.x development tree branch, master, updated. ea4916c7b9fe412a8cebc62cc493f1b78a78645b
by git＠ipfire.org 20 May '16

20 May '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "IPFire 3.x development tree". The branch, master has been updated via ea4916c7b9fe412a8cebc62cc493f1b78a78645b (commit) from 03f7d5089f77bcaaa652a4d8555e2499e056a90d (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit ea4916c7b9fe412a8cebc62cc493f1b78a78645b Author: Alexander Marx <alexander.marx(a)ipfire.org> Date: Thu May 19 16:52:31 2016 +0200 grep: Update to 2.25 Fixes: #11104 ** Bug fixes In the C or POSIX locale, grep now treats all bytes as valid characters even if the C runtime library says otherwise. The revised behavior is more compatible with the original intent of POSIX, and the next release of POSIX will likely make this official. [bug introduced in grep-2.23] grep -Pz no longer mistakenly diagnoses patterns like [^a] that use negated character classes. [bug introduced in grep-2.24] grep -oz now uses null bytes, not newlines, to terminate output lines. [bug introduced in grep-2.5] ** Improvements grep now outputs details more consistently when reporting a write error. E.g., "grep: write error: No space left on device" rather than just "grep: write error". also posted as: https://savannah.gnu.org/forum/forum.php?forum_id=8523 Signed-off-by: Alexander Marx <alexander.marx(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> ----------------------------------------------------------------------- Summary of changes: grep/grep.nm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Difference in files: diff --git a/grep/grep.nm b/grep/grep.nm index 1660d45..fcb182d 100644 --- a/grep/grep.nm +++ b/grep/grep.nm @@ -4,7 +4,7 @@ ############################################################################### name = grep -version = 2.24 +version = 2.25 release = 1 groups = Applications/Text hooks/post-receive -- IPFire 3.x development tree

1 0

[git.ipfire.org] IPFire 3.x development tree branch, master, updated. 03f7d5089f77bcaaa652a4d8555e2499e056a90d
by git＠ipfire.org 20 May '16

20 May '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "IPFire 3.x development tree". The branch, master has been updated via 03f7d5089f77bcaaa652a4d8555e2499e056a90d (commit) via 414da87e476cb4e4d0c32f9984aef78926ceeb38 (commit) via 8e4966628f0303990d37ea88162ee1ebd8e91db1 (commit) via 849a007363ea28f541af111fcbec44b056e6c506 (commit) from 49a18b40d4916665b33d00e3737dbf0fe9db4a90 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 03f7d5089f77bcaaa652a4d8555e2499e056a90d Author: Alexander Marx <alexander.marx(a)ipfire.org> Date: Fri May 20 07:39:58 2016 +0200 dejagnu: Update to 1.6 Fixes: #11101 Important changes include decent SSH support, many bug fixes and a much improved manual. Many old and defunct board files have been removed. Refer to the NEWS file for full details. Signed-off-by: Alexander Marx <alexander.marx(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 414da87e476cb4e4d0c32f9984aef78926ceeb38 Author: Alexander Marx <alexander.marx(a)ipfire.org> Date: Thu May 19 11:54:37 2016 +0200 gdbm: Update to 1.12 Fixes: #11124 This release fixes bugs encountered in the previous version 1.11 and introduces some improvements. Signed-off-by: Alexander Marx <alexander.marx(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 8e4966628f0303990d37ea88162ee1ebd8e91db1 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Thu May 19 12:11:21 2016 +0100 kernel: Update to 4.4.10 Disables all staging modules due to build issues. Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 849a007363ea28f541af111fcbec44b056e6c506 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 18 22:41:59 2016 +0100 kernel: Update to 4.3.6 Fixes: #10970 Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> ----------------------------------------------------------------------- Summary of changes: dejagnu/dejagnu.nm | 16 +- dejagnu/patches/dejagnu-1.4.4-runtest.patch | 12 - dejagnu/patches/dejagnu-1.4.4-smp-1.patch | 26 -- dejagnu/patches/dejagnu-1.4.4-testsuite.patch | 93 ------ dejagnu/patches/dejagnu-1.4.4-utils-speedup.patch | 20 -- gdbm/gdbm.nm | 2 +- kernel/config-arm-generic | 56 +++- kernel/config-arm32-generic | 234 +++++++++----- kernel/config-arm64-generic | 83 ++++- kernel/config-generic | 371 ++++++++++++---------- kernel/config-i686-default | 12 +- kernel/config-i686-legacy | 6 +- kernel/config-x86-generic | 100 +++--- kernel/config-x86_64-default | 38 ++- kernel/kernel.nm | 6 +- 15 files changed, 571 insertions(+), 504 deletions(-) delete mode 100644 dejagnu/patches/dejagnu-1.4.4-runtest.patch delete mode 100644 dejagnu/patches/dejagnu-1.4.4-smp-1.patch delete mode 100644 dejagnu/patches/dejagnu-1.4.4-testsuite.patch delete mode 100644 dejagnu/patches/dejagnu-1.4.4-utils-speedup.patch Difference in files: diff --git a/dejagnu/dejagnu.nm b/dejagnu/dejagnu.nm index c0f8fe4..d6e0a6e 100644 --- a/dejagnu/dejagnu.nm +++ b/dejagnu/dejagnu.nm @@ -4,8 +4,8 @@ ############################################################################### name = dejagnu -version = 1.4.4 -release = 2 +version = 1.6 +release = 1 arch = noarch groups = Development/Tools @@ -17,24 +17,18 @@ description DejaGnu is an Expect/Tcl based framework for testing other programs. end -source_dl = +source_dl = http://mirror.netcologne.de/gnu/dejagnu/ +sources = %{thisapp}.tar.gz build requires bison + expect end configure_options += \ --mandir=/usr/share/man - # Disabled because testsuite doesn't wort at the moment. - #define test - # make check - #endef - - install_cmds - make -C doc DESTDIR=%{BUILDROOT} install-man - end end packages diff --git a/dejagnu/patches/dejagnu-1.4.4-runtest.patch b/dejagnu/patches/dejagnu-1.4.4-runtest.patch deleted file mode 100644 index 2d75f4c..0000000 --- a/dejagnu/patches/dejagnu-1.4.4-runtest.patch +++ /dev/null @@ -1,12 +0,0 @@ ---- dejagnu-1.4.4/runtest.exp.old 2003-10-15 15:22:52.000000000 +0200 -+++ dejagnu-1.4.4/runtest.exp 2008-08-27 16:22:18.000000000 +0200 -@@ -1443,8 +1443,7 @@ - global tool - - clone_output "Running $test_file_name ..." -- set prms_id 0 -- set bug_id 0 -+ reset_vars - set test_result "" - - if [file exists $test_file_name] { diff --git a/dejagnu/patches/dejagnu-1.4.4-smp-1.patch b/dejagnu/patches/dejagnu-1.4.4-smp-1.patch deleted file mode 100644 index 0a30f45..0000000 --- a/dejagnu/patches/dejagnu-1.4.4-smp-1.patch +++ /dev/null @@ -1,26 +0,0 @@ ---- dejagnu-1.4.4/lib/remote.exp.smp 2003-10-10 23:42:46.000000000 -0700 -+++ dejagnu-1.4.4/lib/remote.exp 2005-08-05 12:32:10.107161990 -0700 -@@ -91,9 +91,13 @@ proc local_exec { commandline inp outp t - # programs that bear children. We can't use tcl's exec because it has - # no way to timeout programs that hang. *sigh* - # -+ # The expect command will close the connection when it sees EOF. On -+ # SMP machine, close the connection may send SIGHUP to the child -+ # and cause it to exit before it can exit normally. We should make -+ # the child to ignore SIGHUP. - if { "$inp" == "" && "$outp" == "" } { - set id -1 -- set result [catch "eval spawn \{${commandline}\}" pid] -+ set result [catch "eval spawn -ignore SIGHUP \{${commandline}\}" pid] - if { $result == 0 } { - set result2 0 - } else { -@@ -134,7 +138,7 @@ proc local_exec { commandline inp outp t - return [list -1 "open of $commandline $inp $outp failed: $errorInfo"] - } - set pid [pid $id] -- set result [catch "spawn -leaveopen $id" result2] -+ set result [catch "spawn -ignore SIGHUP -leaveopen $id" result2] - } - # Prepend "-" to each pid, to generate the "process group IDs" needed by - # kill. diff --git a/dejagnu/patches/dejagnu-1.4.4-testsuite.patch b/dejagnu/patches/dejagnu-1.4.4-testsuite.patch deleted file mode 100644 index d9e07ea..0000000 --- a/dejagnu/patches/dejagnu-1.4.4-testsuite.patch +++ /dev/null @@ -1,93 +0,0 @@ -diff -Burp dejagnu-1.4.4/testsuite/libdejagnu/unit.cc dejagnu-1.4.4-pm/testsuite/libdejagnu/unit.cc ---- dejagnu-1.4.4/testsuite/libdejagnu/unit.cc 2003-08-17 03:33:06.000000000 +0200 -+++ dejagnu-1.4.4-pm/testsuite/libdejagnu/unit.cc 2007-10-03 18:31:03.000000000 +0200 -@@ -7,6 +7,7 @@ - #include <fstream> - #include <set> - #include <dejagnu.h> -+#include <sstream> - - using namespace std; - -@@ -49,12 +50,8 @@ main (int argc, char *argv[]) { - // Replace the output buffer for cout, so we can examine it to - // see what was displayed. Otherwise, there is no way we can test - // the logging functions completely. -- char bbuuff[5120]; --#ifdef __STDC_HOSTED__ -- cout.rdbuf()->pubsetbuf(bbuuff, 5120); --#else -- cout.rdbuf()->setbuf(bbuuff, 5120); --#endif -+ stringstream stream; -+ streambuf * buf = cout.rdbuf(stream.rdbuf()); - - testClass1.tname = "testType1"; - testClass1.tnum = 1; -@@ -65,53 +62,59 @@ main (int argc, char *argv[]) { - - // Test the pass message - test.pass ("bogus pass message for testing"); -+ cout.flush(); - outstate = os2; -- if (strncmp(bbuuff, "\tPAS: bogus pass message", 22) == 0) { -+ if (strncmp(stream.str().c_str(), "\tPAS: bogus pass message", 22) == 0) { - runtest.pass ("Pass message"); - } else { - runtest.fail ("Pass message"); - } -+ stream.str(""); - - // Test the fail message - outstate = os1; - test.fail ("bogus fail message for testing"); - cout.flush(); - outstate = os2; -- if (strncmp(bbuuff, "\tFAI: bogus fail message", 22) == 0) { -+ if (strncmp(stream.str().c_str(), "\tFAI: bogus fail message", 22) == 0) { - runtest.pass ("Fail message"); - } else { - runtest.fail ("Fail message"); - } -+ stream.str(""); - - // Test the untested message - outstate = os1; - test.untested ("bogus untested message for testing"); - cout.flush(); - outstate = os2; -- if (strncmp(bbuuff, "\tUNT: bogus untested message", 21) == 0) { -+ if (strncmp(stream.str().c_str(), "\tUNT: bogus untested message", 21) == 0) { - runtest.pass ("Untested message"); - } else { - runtest.fail ("Untested message"); - } -+ stream.str(""); - - // Test the unresolved message - outstate = os1; - test.unresolved ("bogus unresolved message for testing"); - cout.flush(); - outstate = os2; -- if (strncmp(bbuuff, "\tUNR: bogus unresolved message", 21) == 0) { -+ if (strncmp(stream.str().c_str(), "\tUNR: bogus unresolved message", 21) == 0) { - runtest.pass ("Unresolved message"); - } else { - runtest.fail ("Unresolved message"); - } -+ stream.str(""); - - // Make sure we got everything in the totals - regcomp (&regex_pat, "\r\n\t#passed.*#failed.*#untested.*#unresolved", REG_NOSUB|REG_NEWLINE); -- if (regexec (&regex_pat, bbuuff, 0, (regmatch_t *)0, 0)) { -+ if (regexec (&regex_pat, stream.str().c_str(), 0, (regmatch_t *)0, 0)) { - runtest.pass ("Totals message"); - } else { - runtest.fail ("Totals message"); - } --} -- -+ stream.str(""); - -+ cout.rdbuf(buf); -+} diff --git a/dejagnu/patches/dejagnu-1.4.4-utils-speedup.patch b/dejagnu/patches/dejagnu-1.4.4-utils-speedup.patch deleted file mode 100644 index 2823d5d..0000000 --- a/dejagnu/patches/dejagnu-1.4.4-utils-speedup.patch +++ /dev/null @@ -1,20 +0,0 @@ ---- dejagnu-1.4.4/lib/utils.exp 2009-10-16 12:58:38.000000000 +0200 -+++ dejagnu-1.4.4/lib/utils.exp 2010-01-21 21:12:54.144855458 +0100 -@@ -106,7 +106,7 @@ proc find { rootdir pattern } { - foreach i $dirs { - verbose "Looking in $i" 3 - foreach match [glob -nocomplain $i/$pattern] { -- if ![file isdirectory $match] { -+ if {![file isdirectory $match]} { - lappend files $match - verbose "Adding $match to file list" 3 - } -@@ -216,7 +216,7 @@ proc prune { list pattern } { - set tmp {} - foreach i $list { - verbose "Checking pattern \"$pattern\" against $i" 3 -- if ![string match $pattern $i] { -+ if {![string match $pattern $i]} { - lappend tmp $i - } else { - verbose "Removing element $i from list" 3 diff --git a/gdbm/gdbm.nm b/gdbm/gdbm.nm index 08c47ba..29cd94e 100644 --- a/gdbm/gdbm.nm +++ b/gdbm/gdbm.nm @@ -4,7 +4,7 @@ ############################################################################### name = gdbm -version = 1.11 +version = 1.12 release = 1 groups = Development/Tools diff --git a/kernel/config-arm-generic b/kernel/config-arm-generic index f0abbd1..085f04b 100644 --- a/kernel/config-arm-generic +++ b/kernel/config-arm-generic @@ -1,5 +1,3 @@ -CONFIG_SWIOTLB=y -CONFIG_IOMMU_HELPER=y CONFIG_KERNEL_MODE_NEON=y CONFIG_PGTABLE_LEVELS=2 @@ -29,8 +27,9 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y # RCU Subsystem # CONFIG_CONTEXT_TRACKING=y -CONFIG_RCU_USER_QS=y +CONFIG_RCU_NOCB_CPU=y CONFIG_RCU_NOCB_CPU_NONE=y +# CONFIG_RCU_NOCB_CPU_ZERO is not set # CONFIG_RCU_NOCB_CPU_ALL is not set CONFIG_GENERIC_SCHED_CLOCK=y CONFIG_PERF_USE_VMALLOC=y @@ -38,6 +37,7 @@ CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # +CONFIG_GENERIC_IDLE_POLL_SETUP=y CONFIG_CLONE_BACKWARDS=y # @@ -59,6 +59,8 @@ CONFIG_PCI_SYSCALL=y # # PCI host controller drivers # +CONFIG_PCIE_DW=y +CONFIG_PCI_HOST_GENERIC=y # CONFIG_PCIE_ECRC is not set # CONFIG_PCIEAER_INJECT is not set CONFIG_PCIEASPM_DEFAULT=y @@ -98,6 +100,7 @@ CONFIG_CPU_FREQ_STAT=y # CONFIG_ARM_BIG_LITTLE_CPUFREQ=m # CONFIG_ARM_KIRKWOOD_CPUFREQ is not set +CONFIG_ARM_SCPI_CPUFREQ=m # # Classification @@ -156,10 +159,10 @@ CONFIG_OF_RESERVED_MEM=y # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set # CONFIG_BLK_DEV_UMEM is not set -# CONFIG_BLK_DEV_NVME is not set # CONFIG_BLK_DEV_SX8 is not set CONFIG_BLK_DEV_RAM_SIZE=4096 # CONFIG_BLK_DEV_RSXX is not set +# CONFIG_BLK_DEV_NVME is not set # # Misc devices @@ -203,6 +206,13 @@ CONFIG_AMD8111_ETH=y # CONFIG_DE2104X is not set # CONFIG_TULIP_MMIO is not set # CONFIG_TULIP_NAPI is not set +CONFIG_NET_VENDOR_HISILICON=y +CONFIG_HIX5HD2_GMAC=m +CONFIG_HIP04_ETH=m +CONFIG_HNS_MDIO=m +CONFIG_HNS=m +CONFIG_HNS_DSAF=m +CONFIG_HNS_ENET=m # CONFIG_I40E_VXLAN is not set # CONFIG_SKGE_GENESIS is not set # CONFIG_QLCNIC_VXLAN is not set @@ -251,6 +261,7 @@ CONFIG_INPUT_MAX77693_HAPTIC=m # # Serial drivers # +CONFIG_SERIAL_8250_FSL=y CONFIG_SERIAL_8250_INGENIC=y # @@ -322,6 +333,7 @@ CONFIG_POWER_RESET_VEXPRESS=y # # Native drivers # +CONFIG_SENSORS_ARM_SCPI=m CONFIG_SENSORS_PWM_FAN=m CONFIG_SENSORS_VEXPRESS=m @@ -429,7 +441,6 @@ CONFIG_DVB_LNBP21=y # Console display driver support # CONFIG_SND_DMAENGINE_PCM=m -CONFIG_SND_COMPRESS_OFFLOAD=m # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ES1968_INPUT is not set # CONFIG_SND_MAESTRO3_INPUT is not set @@ -452,7 +463,11 @@ CONFIG_SND_SOC_FSL_SSI=m CONFIG_SND_SOC_FSL_SPDIF=m CONFIG_SND_SOC_FSL_ESAI=m CONFIG_SND_SOC_IMX_AUDMUX=m -CONFIG_SND_SOC_QCOM=m + +# +# Allwinner SoC Audio support +# +CONFIG_SND_SUN4I_CODEC=m CONFIG_SND_SOC_I2C_AND_SPI=m # @@ -461,6 +476,7 @@ CONFIG_SND_SOC_I2C_AND_SPI=m CONFIG_SND_SOC_AC97_CODEC=m CONFIG_SND_SOC_ADAU1701=m CONFIG_SND_SOC_AK4554=m +CONFIG_SND_SOC_AK4613=m CONFIG_SND_SOC_AK4642=m CONFIG_SND_SOC_AK5386=m CONFIG_SND_SOC_ALC5623=m @@ -476,8 +492,9 @@ CONFIG_SND_SOC_CS4271=m CONFIG_SND_SOC_CS4271_I2C=m CONFIG_SND_SOC_CS42XX8=m CONFIG_SND_SOC_CS42XX8_I2C=m -CONFIG_SND_SOC_HDMI_CODEC=m +CONFIG_SND_SOC_CS4349=m CONFIG_SND_SOC_ES8328=m +CONFIG_SND_SOC_GTM601=m CONFIG_SND_SOC_PCM1681=m CONFIG_SND_SOC_PCM512x=m CONFIG_SND_SOC_PCM512x_I2C=m @@ -493,6 +510,7 @@ CONFIG_SND_SOC_SSM2602_I2C=m CONFIG_SND_SOC_SSM4567=m CONFIG_SND_SOC_STA32X=m CONFIG_SND_SOC_STA350=m +CONFIG_SND_SOC_STI_SAS=m CONFIG_SND_SOC_TAS2552=m CONFIG_SND_SOC_TAS5086=m CONFIG_SND_SOC_TAS571X=m @@ -533,7 +551,6 @@ CONFIG_USB_ULPI_VIEWPORT=y CONFIG_MMC_ARMMMCI=m # CONFIG_MMC_RICOH_MMC is not set CONFIG_MMC_DW=m -CONFIG_MMC_DW_IDMAC=y CONFIG_MMC_DW_PLTFM=m CONFIG_MMC_DW_EXYNOS=m CONFIG_MMC_DW_K3=m @@ -554,9 +571,9 @@ CONFIG_RTC_DRV_PL031=m # DMA Devices # # CONFIG_AMBA_PL08X is not set +# CONFIG_PL330_DMA is not set # CONFIG_DW_DMAC is not set # CONFIG_DW_DMAC_PCI is not set -# CONFIG_PL330_DMA is not set # # DMA Clients @@ -567,11 +584,6 @@ CONFIG_RTC_DRV_PL031=m # CONFIG_UIO_MF624 is not set # -# Android -# -# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set - -# # Common Clock Framework # CONFIG_COMMON_CLK_WM831X=y @@ -579,12 +591,15 @@ CONFIG_COMMON_CLK_VERSATILE=y CONFIG_CLK_SP810=y CONFIG_CLK_VEXPRESS_OSC=y CONFIG_COMMON_CLK_MAX77686=y +CONFIG_COMMON_CLK_SCPI=m +CONFIG_CLK_QORIQ=y CONFIG_COMMON_CLK_PWM=m # # Clock Source drivers # CONFIG_CLKSRC_OF=y +CONFIG_CLKSRC_PROBE=y CONFIG_CLKSRC_MMIO=y CONFIG_ARM_ARCH_TIMER=y CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y @@ -599,6 +614,11 @@ CONFIG_IOMMU_IO_PGTABLE_LPAE=y # CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set # +# Extcon Device Drivers +# +CONFIG_ARM_PL172_MPMC=m + +# # Analog to digital converters # # CONFIG_LP8788_ADC is not set @@ -615,10 +635,18 @@ CONFIG_PWM_SYSFS=y # CONFIG_PWM_TWL is not set # CONFIG_PWM_TWL_LED is not set CONFIG_ARM_GIC=y +CONFIG_ARM_GIC_V3=y + +# +# Performance monitor support +# +CONFIG_ARM_PMU=y # # Firmware Drivers # +CONFIG_ARM_PSCI_FW=y +CONFIG_ARM_SCPI_PROTOCOL=m # CONFIG_FIRMWARE_MEMMAP is not set # diff --git a/kernel/config-arm32-generic b/kernel/config-arm32-generic index 31b7ecf..ca3f8ba 100644 --- a/kernel/config-arm32-generic +++ b/kernel/config-arm32-generic @@ -9,7 +9,6 @@ CONFIG_ARCH_HAS_BANDGAP=y CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_ARM_PATCH_PHYS_VIRT=y -CONFIG_GENERIC_BUG=y # # General setup @@ -30,7 +29,6 @@ CONFIG_CONTEXT_TRACKING_FORCE=y # # CONFIG_KPROBES is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y -CONFIG_GENERIC_IDLE_POLL_SETUP=y CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y CONFIG_MODULES_USE_ELF_REL=y CONFIG_OLD_SIGACTION=y @@ -64,7 +62,6 @@ CONFIG_ARCH_MULTIPLATFORM=y # CONFIG_ARCH_W90X900 is not set # CONFIG_ARCH_LPC32XX is not set # CONFIG_ARCH_PXA is not set -# CONFIG_ARCH_SHMOBILE_LEGACY is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C24XX is not set @@ -90,6 +87,7 @@ CONFIG_ARCH_BCM=y # CONFIG_ARCH_BCM_IPROC=y # CONFIG_ARCH_BCM_CYGNUS is not set +# CONFIG_ARCH_BCM_NSP is not set CONFIG_ARCH_BCM_5301X=y # @@ -122,6 +120,7 @@ CONFIG_ARCH_KEYSTONE=y CONFIG_ARCH_MESON=y CONFIG_MACH_MESON6=y CONFIG_MACH_MESON8=y +CONFIG_MACH_MESON8B=y CONFIG_ARCH_MXC=y # @@ -134,6 +133,7 @@ CONFIG_SOC_IMX6=y CONFIG_SOC_IMX6Q=y CONFIG_SOC_IMX6SL=y CONFIG_SOC_IMX6SX=y +# CONFIG_SOC_IMX6UL is not set # CONFIG_SOC_IMX7D is not set # CONFIG_SOC_LS1021A is not set @@ -174,6 +174,7 @@ CONFIG_SOC_AM33XX=y CONFIG_SOC_AM43XX=y CONFIG_SOC_DRA7XX=y CONFIG_ARCH_OMAP2PLUS=y +CONFIG_OMAP_INTERCONNECT_BARRIER=y # # TI OMAP2/3/4 Specific Features @@ -189,8 +190,6 @@ CONFIG_OMAP_PACKAGE_CBB=y # OMAP Legacy Platform Data Board Type # CONFIG_MACH_OMAP_LDP=y -CONFIG_MACH_OMAP3530_LV_SOM=y -CONFIG_MACH_OMAP3_TORPEDO=y CONFIG_MACH_OMAP3517EVM=y CONFIG_MACH_OMAP3_PANDORA=y CONFIG_MACH_NOKIA_RX51=y @@ -208,6 +207,7 @@ CONFIG_SOC_STIH416=y CONFIG_SOC_STIH407=y # CONFIG_ARCH_S5PV210 is not set CONFIG_ARCH_EXYNOS=y +CONFIG_S5P_DEV_MFC=y # CONFIG_ARCH_EXYNOS3 is not set CONFIG_ARCH_EXYNOS4=y CONFIG_ARCH_EXYNOS5=y @@ -230,11 +230,6 @@ CONFIG_EXYNOS_CPU_SUSPEND=y CONFIG_PLAT_SAMSUNG=y # -# Boot options -# -CONFIG_S5P_DEV_MFC=y - -# # Power management # # CONFIG_SAMSUNG_PM_CHECK is not set @@ -250,18 +245,13 @@ CONFIG_ARCH_SHMOBILE_MULTI=y CONFIG_ARCH_R8A7779=y # CONFIG_ARCH_R8A7790 is not set # CONFIG_ARCH_R8A7791 is not set +# CONFIG_ARCH_R8A7793 is not set # CONFIG_ARCH_R8A7794 is not set # CONFIG_ARCH_SH73A0 is not set # -# Renesas ARM SoCs Board Type +# Renesas ARM SoCs System Configuration # -CONFIG_MACH_MARZEN=y - -# -# Timer and clock configuration -# -CONFIG_SHMOBILE_TIMER_HZ=128 CONFIG_ARCH_SUNXI=y CONFIG_MACH_SUN4I=y CONFIG_MACH_SUN5I=y @@ -348,6 +338,7 @@ CONFIG_PL310_ERRATA_769419=y CONFIG_ARM_L1_CACHE_SHIFT_6=y CONFIG_ARM_L1_CACHE_SHIFT=6 CONFIG_ARM_DMA_MEM_BUFFERABLE=y +CONFIG_ARM_HEAVY_MB=y CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y CONFIG_ARM_KERNMEM_PERMS=y CONFIG_MULTI_IRQ_HANDLER=y @@ -361,24 +352,22 @@ CONFIG_ARM_ERRATA_775420=y CONFIG_ARM_ERRATA_798181=y # CONFIG_ARM_ERRATA_773022 is not set CONFIG_ICST=y -CONFIG_TI_PRIV_EDMA=y # # PCI host controller drivers # -CONFIG_PCIE_DW=y CONFIG_PCI_EXYNOS=y CONFIG_PCI_IMX6=y CONFIG_PCI_TEGRA=y CONFIG_PCI_RCAR_GEN2=y CONFIG_PCI_RCAR_GEN2_PCIE=y -CONFIG_PCI_HOST_GENERIC=y CONFIG_PCI_KEYSTONE=y CONFIG_PCIE_XILINX=y CONFIG_PCI_LAYERSCAPE=y CONFIG_PCIE_IPROC=y CONFIG_PCIE_IPROC_PLATFORM=m # CONFIG_PCIE_IPROC_BCMA is not set +CONFIG_PCIE_ALTERA=y # CONFIG_PCCARD is not set # @@ -391,6 +380,7 @@ CONFIG_MCPM_QUAD_CLUSTER=y CONFIG_BIG_LITTLE=y # CONFIG_BL_SWITCHER is not set CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_3G_OPT is not set # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 @@ -399,7 +389,6 @@ CONFIG_ARM_PSCI=y CONFIG_ARCH_NR_GPIO=1024 CONFIG_HZ_FIXED=200 CONFIG_HZ=200 -CONFIG_SCHED_HRTICK=y CONFIG_THUMB2_KERNEL=y CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y CONFIG_ARM_ASM_UNIFIED=y @@ -408,6 +397,7 @@ CONFIG_AEABI=y # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HIGHMEM=y # CONFIG_HIGHPTE is not set +CONFIG_CPU_SW_DOMAIN_PAN=y # CONFIG_ARM_MODULE_PLTS is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y @@ -438,16 +428,13 @@ CONFIG_AUTO_ZRELADDR=y # # CONFIG_ARM_DT_BL_CPUFREQ is not set # CONFIG_ARM_VEXPRESS_SPC_CPUFREQ is not set -CONFIG_ARM_EXYNOS_CPUFREQ=y -CONFIG_ARM_EXYNOS4X12_CPUFREQ=y -CONFIG_ARM_EXYNOS5250_CPUFREQ=y -# CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW is not set CONFIG_ARM_EXYNOS5440_CPUFREQ=y CONFIG_ARM_HIGHBANK_CPUFREQ=m CONFIG_ARM_HISI_ACPU_CPUFREQ=m CONFIG_ARM_IMX6Q_CPUFREQ=m CONFIG_ARM_OMAP2PLUS_CPUFREQ=y -CONFIG_ARM_TEGRA_CPUFREQ=y +CONFIG_ARM_TEGRA20_CPUFREQ=y +CONFIG_ARM_TEGRA124_CPUFREQ=m CONFIG_QORIQ_CPUFREQ=m # @@ -493,28 +480,25 @@ CONFIG_BRCMSTB_GISB_ARB=y CONFIG_OMAP_INTERCONNECT=y # CONFIG_OMAP_OCP2SCP is not set CONFIG_SIMPLE_PM_BUS=y +CONFIG_SUNXI_RSB=m CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y # CONFIG_MG_DISK is not set # # Misc devices # +# CONFIG_QCOM_COINCELL is not set # CONFIG_ARM_CHARLCD is not set # -# EEPROM support -# -# CONFIG_EEPROM_SUNXI_SID is not set - -# -# SCIF Driver +# Intel MIC Coprocessor State Management (COSM) Drivers # # CONFIG_IDE is not set # # SCSI Transports # -CONFIG_SCSI_UFS_QCOM=y +CONFIG_SCSI_UFS_QCOM=m CONFIG_SCSI_NSP32=m # @@ -558,9 +542,6 @@ CONFIG_FEC=m CONFIG_FSL_PQ_MDIO=m CONFIG_FSL_XGMAC_MDIO=m CONFIG_GIANFAR=m -CONFIG_NET_VENDOR_HISILICON=y -CONFIG_HIX5HD2_GMAC=m -CONFIG_HIP04_ETH=m CONFIG_PXA168_ETH=m CONFIG_AX88796=m CONFIG_AX88796_93CX6=y @@ -580,6 +561,7 @@ CONFIG_NET_VENDOR_XILINX=y # MII PHY device drivers # CONFIG_MDIO_SUN4I=m +CONFIG_MDIO_BCM_IPROC=m # # Input device support @@ -594,6 +576,7 @@ CONFIG_INPUT_MATRIXKMAP=y # # Input Device Drivers # +# CONFIG_KEYBOARD_SNVS_PWRKEY is not set CONFIG_KEYBOARD_IMX=m # CONFIG_KEYBOARD_NOMADIK is not set CONFIG_KEYBOARD_TEGRA=m @@ -629,9 +612,9 @@ CONFIG_SERIAL_SAMSUNG_UARTS_4=y CONFIG_SERIAL_SAMSUNG_UARTS=4 CONFIG_SERIAL_SIRFSOC=m CONFIG_SERIAL_IMX=m -# CONFIG_SERIAL_UARTLITE is not set CONFIG_SERIAL_SH_SCI=m CONFIG_SERIAL_SH_SCI_NR_UARTS=2 +CONFIG_SERIAL_SH_SCI_DMA=y # CONFIG_SERIAL_MSM is not set # CONFIG_SERIAL_VT8500 is not set CONFIG_SERIAL_OMAP=m @@ -644,6 +627,7 @@ CONFIG_HW_RANDOM_OMAP=y CONFIG_HW_RANDOM_OMAP3_ROM=y CONFIG_HW_RANDOM_EXYNOS=y CONFIG_HW_RANDOM_MSM=m +CONFIG_HW_RANDOM_ST=m CONFIG_NVRAM=y # @@ -732,6 +716,11 @@ CONFIG_PINCTRL_TEGRA124=y CONFIG_PINCTRL_TEGRA_XUSB=y # CONFIG_PINCTRL_PALMAS is not set CONFIG_PINCTRL_ZYNQ=y +CONFIG_PINCTRL_BERLIN=y +# CONFIG_PINCTRL_BERLIN_BG2 is not set +# CONFIG_PINCTRL_BERLIN_BG2CD is not set +# CONFIG_PINCTRL_BERLIN_BG2Q is not set +CONFIG_PINCTRL_BERLIN_BG4CT=y CONFIG_PINCTRL_IMX=y CONFIG_PINCTRL_IMX6Q=y CONFIG_PINCTRL_IMX6SL=y @@ -754,6 +743,7 @@ CONFIG_PINCTRL_MSM8960=m CONFIG_PINCTRL_MSM8X74=m CONFIG_PINCTRL_MSM8916=m CONFIG_PINCTRL_QCOM_SPMI_PMIC=m +CONFIG_PINCTRL_QCOM_SSBI_PMIC=m CONFIG_PINCTRL_SAMSUNG=y CONFIG_PINCTRL_EXYNOS=y CONFIG_PINCTRL_EXYNOS5440=y @@ -770,6 +760,7 @@ CONFIG_PINCTRL_SUN6I_A31_R=y CONFIG_PINCTRL_SUN7I_A20=y CONFIG_PINCTRL_SUN8I_A23=y CONFIG_PINCTRL_SUN8I_A33=y +CONFIG_PINCTRL_SUN8I_A83T=y CONFIG_PINCTRL_SUN8I_A23_R=y CONFIG_PINCTRL_SUN9I_A80=y # CONFIG_PINCTRL_WM8850 is not set @@ -786,7 +777,6 @@ CONFIG_GPIO_BRCMSTB=m # CONFIG_GPIO_DAVINCI is not set # CONFIG_GPIO_DWAPB is not set # CONFIG_GPIO_EM is not set -CONFIG_GPIO_MSM_V2=m CONFIG_GPIO_MXC=y CONFIG_GPIO_OMAP=y # CONFIG_GPIO_RCAR is not set @@ -799,6 +789,7 @@ CONFIG_GPIO_ZYNQ=m # USB GPIO expanders # # CONFIG_APM_POWER is not set +# CONFIG_CHARGER_QCOM_SMBB is not set CONFIG_POWER_RESET_BRCMSTB=y CONFIG_POWER_RESET_HISI=y CONFIG_POWER_RESET_IMX=y @@ -826,7 +817,7 @@ CONFIG_DB8500_CPUFREQ_COOLING=y # # Samsung thermal drivers # -CONFIG_EXYNOS_THERMAL=m +CONFIG_EXYNOS_THERMAL=y # # STMicroelectronics thermal drivers @@ -856,6 +847,7 @@ CONFIG_BCM47XX_WDT=m # Multifunction device drivers # CONFIG_MFD_ATMEL_HLCDC=m +# CONFIG_MFD_CROS_EC is not set # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set CONFIG_MFD_PM8XXX=m @@ -885,6 +877,7 @@ CONFIG_REGULATOR_LP872X=y CONFIG_REGULATOR_LP8788=y CONFIG_REGULATOR_PBIAS=m CONFIG_REGULATOR_QCOM_RPM=m +CONFIG_REGULATOR_QCOM_SMD_RPM=m CONFIG_REGULATOR_TI_ABB=m CONFIG_REGULATOR_TWL4030=y @@ -915,8 +908,15 @@ CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m CONFIG_VIDEO_SAMSUNG_S5P_MFC=m CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m CONFIG_VIDEO_STI_BDISP=m +# CONFIG_VIDEO_RENESAS_JPU is not set CONFIG_VIDEO_RENESAS_VSP1=m # CONFIG_VIDEO_TI_VPE is not set +CONFIG_DVB_C8SECTPFE=m + +# +# DVB-T (terrestrial) frontends +# +CONFIG_DVB_STV0367=m # # Graphics support @@ -924,30 +924,38 @@ CONFIG_VIDEO_RENESAS_VSP1=m CONFIG_TEGRA_HOST1X=y CONFIG_TEGRA_HOST1X_FIREWALL=y CONFIG_IMX_IPUV3_CORE=m - -# -# Direct Rendering Manager -# CONFIG_DRM_GEM_CMA_HELPER=y CONFIG_DRM_KMS_CMA_HELPER=y # # I2C encoder or helper chips # -CONFIG_DRM_DW_HDMI=m CONFIG_NOUVEAU_PLATFORM_DRIVER=y CONFIG_DRM_EXYNOS=m + +# +# CRTCs +# # CONFIG_DRM_EXYNOS_FIMD is not set CONFIG_DRM_EXYNOS5433_DECON=y # CONFIG_DRM_EXYNOS7_DECON is not set +CONFIG_DRM_EXYNOS_MIXER=y +CONFIG_DRM_EXYNOS_VIDI=y + +# +# Encoders and Bridges +# CONFIG_DRM_EXYNOS_DSI=y CONFIG_DRM_EXYNOS_HDMI=y -CONFIG_DRM_EXYNOS_VIDI=y +CONFIG_DRM_EXYNOS_MIC=y + +# +# Sub-drivers +# CONFIG_DRM_EXYNOS_G2D=y CONFIG_DRM_EXYNOS_IPP=y # CONFIG_DRM_EXYNOS_FIMC is not set # CONFIG_DRM_EXYNOS_ROTATOR is not set -CONFIG_DRM_EXYNOS_MIC=y CONFIG_DRM_ROCKCHIP=m CONFIG_ROCKCHIP_DW_HDMI=m CONFIG_DRM_ARMADA=m @@ -957,18 +965,21 @@ CONFIG_DRM_RCAR_DU=m CONFIG_DRM_SHMOBILE=m # CONFIG_DRM_TILCDC is not set CONFIG_DRM_MSM=m -# CONFIG_DRM_MSM_FBDEV is not set # CONFIG_DRM_MSM_REGISTER_LOGGING is not set CONFIG_DRM_MSM_DSI=y CONFIG_DRM_MSM_DSI_PLL=y +CONFIG_DRM_MSM_DSI_28NM_PHY=y +CONFIG_DRM_MSM_DSI_20NM_PHY=y +CONFIG_DRM_FSL_DCU=m CONFIG_DRM_TEGRA=m CONFIG_DRM_TEGRA_FBDEV=y # CONFIG_DRM_TEGRA_DEBUG is not set -# CONFIG_DRM_TEGRA_STAGING is not set # -# Display Panels +# Display Interface Bridges # +CONFIG_DRM_DW_HDMI=m +CONFIG_DRM_DW_HDMI_AHB_AUDIO=m # CONFIG_DRM_STI is not set # CONFIG_DRM_IMX is not set @@ -990,6 +1001,12 @@ CONFIG_EXYNOS_VIDEO=y # CONFIG_FB_SH_MOBILE_MERAM is not set # +# Console display driver support +# +CONFIG_SND_PCM_ELD=y +CONFIG_SND_PCM_IEC958=y + +# # HD-Audio # CONFIG_SND_HDA_TEGRA=m @@ -1021,6 +1038,7 @@ CONFIG_SND_SOC_FSL_ASOC_CARD=m CONFIG_SND_SOC_MEDIATEK=m CONFIG_SND_SOC_MT8173_MAX98090=m CONFIG_SND_SOC_MT8173_RT5650_RT5676=m +CONFIG_SND_SOC_QCOM=m CONFIG_SND_SOC_LPASS_CPU=m CONFIG_SND_SOC_LPASS_PLATFORM=m CONFIG_SND_SOC_LPASS_IPQ806X=m @@ -1029,6 +1047,9 @@ CONFIG_SND_SOC_STORM=m CONFIG_SND_SOC_APQ8016_SBC=m CONFIG_SND_SOC_ROCKCHIP=m CONFIG_SND_SOC_ROCKCHIP_I2S=m +CONFIG_SND_SOC_ROCKCHIP_SPDIF=m +CONFIG_SND_SOC_ROCKCHIP_MAX98090=m +CONFIG_SND_SOC_ROCKCHIP_RT5645=m CONFIG_SND_SOC_SAMSUNG=m CONFIG_SND_SAMSUNG_PCM=m CONFIG_SND_SAMSUNG_SPDIF=m @@ -1050,6 +1071,11 @@ CONFIG_SND_SOC_SIRF=m CONFIG_SND_SOC_SIRF_AUDIO=m CONFIG_SND_SOC_SIRF_AUDIO_PORT=m CONFIG_SND_SOC_SIRF_USP=m +CONFIG_SND_SOC_STI=m + +# +# Allwinner SoC Audio support +# CONFIG_SND_SOC_UX500=m CONFIG_SND_SOC_UX500_PLAT_DMA=m CONFIG_SND_SOC_XTFPGA_I2S=m @@ -1087,19 +1113,25 @@ CONFIG_USB_IMX21_HCD=y # # Platform Glue Layer # +CONFIG_USB_MUSB_SUNXI=m CONFIG_USB_MUSB_OMAP2PLUS=m CONFIG_USB_MUSB_AM35X=m CONFIG_USB_MUSB_DSPS=m CONFIG_USB_MUSB_UX500=m CONFIG_USB_MUSB_AM335X_CHILD=m + +# +# MUSB DMA mode +# +# CONFIG_MUSB_PIO_ONLY is not set CONFIG_USB_UX500_DMA=y # CONFIG_USB_INVENTRA_DMA is not set # CONFIG_USB_TI_CPPI41_DMA is not set -# CONFIG_MUSB_PIO_ONLY is not set # # Platform Glue Driver Support # +CONFIG_USB_DWC3_OMAP=m CONFIG_USB_DWC3_EXYNOS=m CONFIG_USB_DWC3_KEYSTONE=m CONFIG_USB_DWC3_ST=m @@ -1112,13 +1144,15 @@ CONFIG_USB_DWC3_QCOM=m CONFIG_KEYSTONE_USB_PHY=m CONFIG_AM335X_CONTROL_USB=m CONFIG_AM335X_PHY_USB=m +CONFIG_USB_MSM_OTG=m +CONFIG_USB_QCOM_8X16_PHY=m CONFIG_USB_MXS_PHY=m CONFIG_USB_RCAR_PHY=m # # MMC/SD/SDIO Host Controller Drivers # -CONFIG_MMC_SDHCI_IO_ACCESSORS=y +CONFIG_MMC_SDHCI_OF_ESDHC=m CONFIG_MMC_SDHCI_ESDHC_IMX=m CONFIG_MMC_SDHCI_TEGRA=m CONFIG_MMC_SDHCI_S3C=m @@ -1173,41 +1207,34 @@ CONFIG_RTC_DRV_ST_LPC=m # # DMA Devices # +CONFIG_AXI_DMAC=m +# CONFIG_DMA_OMAP is not set +CONFIG_DMA_SUN4I=m +CONFIG_DMA_SUN6I=m +# CONFIG_IMX_DMA is not set +# CONFIG_IMX_SDMA is not set +# CONFIG_K3_DMA is not set +# CONFIG_MXS_DMA is not set CONFIG_MX3_IPU=y CONFIG_MX3_IPU_IRQS=4 +CONFIG_NBPFAXI_DMA=m +# CONFIG_QCOM_BAM_DMA is not set +# CONFIG_SIRF_DMA is not set +# CONFIG_STE_DMA40 is not set # CONFIG_TEGRA20_APB_DMA is not set +# CONFIG_TI_CPPI41 is not set +# CONFIG_TI_EDMA is not set +CONFIG_XILINX_VDMA=m CONFIG_RENESAS_DMA=y CONFIG_SH_DMAE_BASE=y # CONFIG_SH_DMAE is not set -# CONFIG_SUDMAC is not set -# CONFIG_RCAR_HPB_DMAE is not set CONFIG_RCAR_DMAC=m +# CONFIG_RCAR_HPB_DMAE is not set CONFIG_RENESAS_USB_DMAC=m -# CONFIG_STE_DMA40 is not set -# CONFIG_SIRF_DMA is not set -# CONFIG_TI_EDMA is not set -# CONFIG_IMX_SDMA is not set -# CONFIG_IMX_DMA is not set -# CONFIG_MXS_DMA is not set -# CONFIG_DMA_OMAP is not set -# CONFIG_TI_CPPI41 is not set -# CONFIG_K3_DMA is not set -CONFIG_XILINX_VDMA=m -CONFIG_DMA_SUN6I=m -CONFIG_NBPFAXI_DMA=m - -# -# DMA Clients -# -# CONFIG_QCOM_BAM_DMA is not set - -# -# Speakup console speech -# -# CONFIG_MFD_NVEC is not set +# CONFIG_SUDMAC is not set # -# Android +# Microsoft Hyper-V guest support # CONFIG_CHROME_PLATFORMS=y @@ -1215,10 +1242,11 @@ CONFIG_CHROME_PLATFORMS=y # Common Clock Framework # # CONFIG_COMMON_CLK_AXI_CLKGEN is not set -CONFIG_CLK_QORIQ=y CONFIG_COMMON_CLK_KEYSTONE=y CONFIG_COMMON_CLK_IPROC=y CONFIG_COMMON_CLK_HI6220=y +CONFIG_STUB_CLK_HI6220=y +CONFIG_QCOM_GDSC=y CONFIG_COMMON_CLK_QCOM=m CONFIG_APQ_GCC_8084=m CONFIG_APQ_MMCC_8084=m @@ -1258,6 +1286,7 @@ CONFIG_CADENCE_TTC_TIMER=y CONFIG_CLKSRC_NOMADIK_MTU=y CONFIG_CLKSRC_DBX500_PRCMU=y CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK=y +CONFIG_CLKSRC_TI_32K=y CONFIG_ARM_GLOBAL_TIMER=y CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y CONFIG_CLKSRC_EXYNOS_MCT=y @@ -1270,6 +1299,7 @@ CONFIG_CLKSRC_IMX_GPT=y CONFIG_PL320_MBOX=y CONFIG_OMAP2PLUS_MBOX=m CONFIG_OMAP_MBOX_KFIFO_SIZE=256 +CONFIG_STI_MBOX=m # # Generic IOMMU Pagetable Support @@ -1298,9 +1328,16 @@ CONFIG_RPMSG=m # # SOC (System On Chip) specific Drivers # +CONFIG_SOC_BRCMSTB=y +# CONFIG_MTK_INFRACFG is not set # CONFIG_MTK_PMIC_WRAP is not set +# CONFIG_MTK_SCPSYS is not set CONFIG_QCOM_GSBI=m CONFIG_QCOM_PM=y +CONFIG_QCOM_SMEM=m +CONFIG_QCOM_SMD=m +CONFIG_QCOM_SMD_RPM=m +CONFIG_ROCKCHIP_PM_DOMAINS=y CONFIG_SUNXI_SRAM=y # CONFIG_KEYSTONE_NAVIGATOR_QMSS is not set CONFIG_KEYSTONE_NAVIGATOR_DMA=m @@ -1311,9 +1348,14 @@ CONFIG_KEYSTONE_NAVIGATOR_DMA=m CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=m CONFIG_ARM_TEGRA_DEVFREQ=m CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU=y + +# +# Extcon Device Drivers +# # CONFIG_TI_AEMIF is not set # CONFIG_TI_EMIF is not set CONFIG_OMAP_GPMC=y +# CONFIG_OMAP_GPMC_DEBUG is not set CONFIG_TEGRA20_MC=y CONFIG_TEGRA_MC=y CONFIG_TEGRA124_EMC=y @@ -1331,7 +1373,11 @@ CONFIG_ROCKCHIP_SARADC=m # # CONFIG_PWM_AB8500 is not set CONFIG_PWM_ATMEL_HLCDC_PWM=m +CONFIG_PWM_BERLIN=m +CONFIG_PWM_BRCMSTB=m # CONFIG_PWM_IMX is not set +# CONFIG_PWM_MTK_DISP is not set +# CONFIG_PWM_RCAR is not set # CONFIG_PWM_RENESAS_TPU is not set CONFIG_PWM_ROCKCHIP=m # CONFIG_PWM_SAMSUNG is not set @@ -1371,6 +1417,7 @@ CONFIG_TWL4030_USB=m CONFIG_PHY_EXYNOS_DP_VIDEO=y CONFIG_PHY_EXYNOS5250_SATA=m CONFIG_PHY_HIX5HD2_SATA=m +CONFIG_PHY_MT65XX_USB3=m CONFIG_PHY_SUN4I_USB=m CONFIG_PHY_SUN9I_USB=m CONFIG_PHY_EXYNOS4210_USB2=y @@ -1386,9 +1433,19 @@ CONFIG_PHY_QCOM_UFS=m CONFIG_PHY_BRCMSTB_SATA=m # +# Android +# +CONFIG_NVMEM_IMX_OCOTP=m +CONFIG_QCOM_QFPROM=m +CONFIG_ROCKCHIP_EFUSE=m +CONFIG_NVMEM_SUNXI_SID=m +CONFIG_NVMEM_VF610_OCOTP=m + +# # Firmware Drivers # CONFIG_QCOM_SCM=y +CONFIG_QCOM_SCM_32=y CONFIG_BCM47XX_NVRAM=y # @@ -1415,11 +1472,8 @@ CONFIG_ARM_UNWIND=y # CONFIG_DEBUG_LL is not set CONFIG_DEBUG_IMX_UART_PORT=1 CONFIG_DEBUG_VF_UART_PORT=1 -CONFIG_DEBUG_LL_INCLUDE="debug/bcm63xx.S" +CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" # CONFIG_DEBUG_UART_8250 is not set -CONFIG_DEBUG_UART_BCM63XX=y -CONFIG_DEBUG_UART_PHYS=0xfffe8600 -CONFIG_DEBUG_UART_VIRT=0xfcfe8600 CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" # @@ -1427,13 +1481,31 @@ CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" # CONFIG_CRYPTO_DEV_HIFN_795X=m CONFIG_CRYPTO_DEV_HIFN_795X_RNG=y +CONFIG_CRYPTO_DEV_FSL_CAAM=m +CONFIG_CRYPTO_DEV_FSL_CAAM_JR=m +CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE=9 +CONFIG_CRYPTO_DEV_FSL_CAAM_INTC=y +CONFIG_CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD=255 +CONFIG_CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD=2048 +CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API=m +CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API=m +CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API=m +CONFIG_CRYPTO_DEV_FSL_CAAM_IMX=y +CONFIG_CRYPTO_DEV_FSL_CAAM_LE=y +# CONFIG_CRYPTO_DEV_FSL_CAAM_DEBUG is not set CONFIG_CRYPTO_DEV_OMAP_SHAM=m CONFIG_CRYPTO_DEV_OMAP_AES=m CONFIG_CRYPTO_DEV_OMAP_DES=m CONFIG_CRYPTO_DEV_SAHARA=m CONFIG_CRYPTO_DEV_S5P=m # CONFIG_CRYPTO_DEV_UX500 is not set +CONFIG_CRYPTO_DEV_MXS_DCP=m CONFIG_CRYPTO_DEV_QCE=m +CONFIG_CRYPTO_DEV_SUN4I_SS=m + +# +# Certificates for signature checking +# CONFIG_ARM_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM=m CONFIG_CRYPTO_SHA1_ARM_NEON=m diff --git a/kernel/config-arm64-generic b/kernel/config-arm64-generic index 5d84e7c..a4010e7 100644 --- a/kernel/config-arm64-generic +++ b/kernel/config-arm64-generic @@ -2,9 +2,16 @@ CONFIG_ARM64=y CONFIG_64BIT=y CONFIG_ARCH_PHYS_ADDR_T_64BIT=y CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 +CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y CONFIG_GENERIC_CSUM=y CONFIG_ARCH_DMA_ADDR_T_64BIT=y -CONFIG_FIX_EARLYCON_MEM=y + +# +# IRQ subsystem +# +CONFIG_GENERIC_IRQ_MIGRATION=y +CONFIG_GENERIC_MSI_IRQ=y +CONFIG_GENERIC_MSI_IRQ_DOMAIN=y # # RCU Subsystem @@ -32,12 +39,16 @@ CONFIG_PREEMPT_NOTIFIERS=y # # Platform selection # +# CONFIG_ARCH_BCM_IPROC is not set +# CONFIG_ARCH_BERLIN is not set # CONFIG_ARCH_EXYNOS7 is not set -# CONFIG_ARCH_FSL_LS2085A is not set +# CONFIG_ARCH_LAYERSCAPE is not set # CONFIG_ARCH_HISI is not set # CONFIG_ARCH_MEDIATEK is not set # CONFIG_ARCH_QCOM is not set +# CONFIG_ARCH_ROCKCHIP is not set CONFIG_ARCH_SEATTLE=y +# CONFIG_ARCH_STRATIX10 is not set # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_SPRD is not set # CONFIG_ARCH_THUNDER is not set @@ -54,6 +65,8 @@ CONFIG_PCI_LABEL=y # PCI host controller drivers # CONFIG_PCI_XGENE=y +# CONFIG_PCIE_IPROC is not set +CONFIG_PCI_HISI=y CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=y @@ -69,15 +82,23 @@ CONFIG_ARM64_ERRATUM_827319=y CONFIG_ARM64_ERRATUM_824069=y CONFIG_ARM64_ERRATUM_819472=y CONFIG_ARM64_ERRATUM_832075=y +CONFIG_ARM64_ERRATUM_834220=y CONFIG_ARM64_ERRATUM_845719=y CONFIG_ARM64_ERRATUM_843419=y +CONFIG_CAVIUM_ERRATUM_22375=y +CONFIG_CAVIUM_ERRATUM_23154=y # CONFIG_ARM64_4K_PAGES is not set +# CONFIG_ARM64_16K_PAGES is not set CONFIG_ARM64_64K_PAGES=y CONFIG_ARM64_VA_BITS_42=y # CONFIG_ARM64_VA_BITS_48 is not set CONFIG_ARM64_VA_BITS=42 CONFIG_NR_CPUS=64 -CONFIG_HZ=100 +# CONFIG_HZ_100 is not set +# CONFIG_HZ_250 is not set +CONFIG_HZ_300=y +# CONFIG_HZ_1000 is not set +CONFIG_HZ=300 CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -99,6 +120,13 @@ CONFIG_CP15_BARRIER_EMULATION=y CONFIG_SETEND_EMULATION=y # +# ARMv8.1 architectural features +# +CONFIG_ARM64_HW_AFDBM=y +CONFIG_ARM64_PAN=y +CONFIG_ARM64_LSE_ATOMICS=y + +# # Boot options # CONFIG_CMDLINE="" @@ -122,6 +150,7 @@ CONFIG_SYSVIPC_COMPAT=y # CPU frequency scaling drivers # CONFIG_ARM_DT_BL_CPUFREQ=m +CONFIG_ACPI_CPPC_CPUFREQ=m CONFIG_COMPAT_NETLINK_MESSAGES=y # @@ -143,7 +172,7 @@ CONFIG_PNPACPI=y CONFIG_BLK_DEV_SKD=m # -# SCIF Driver +# Intel MIC Coprocessor State Management (COSM) Drivers # # CONFIG_GENWQE is not set @@ -178,6 +207,16 @@ CONFIG_LIQUIDIO=m CONFIG_NET_SB1000=m # +# MII PHY device drivers +# +CONFIG_MDIO_OCTEON=m + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_FUJITSU_ES is not set + +# # Input device support # CONFIG_INPUT_MATRIXKMAP=m @@ -196,6 +235,7 @@ CONFIG_SERIAL_8250_FINTEK=m # # Non-8250 serial port support # +CONFIG_HVC_DCC=y CONFIG_HW_RANDOM_XGENE=m # @@ -216,6 +256,7 @@ CONFIG_I2C_SCMI=m # # I2C system bus drivers (mostly embedded / system-on-chip) # +CONFIG_I2C_CADENCE=m CONFIG_I2C_NOMADIK=m # @@ -242,9 +283,11 @@ CONFIG_GPIO_ACPI=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_AMDPT=m CONFIG_GPIO_DWAPB=m CONFIG_GPIO_XGENE=y CONFIG_GPIO_XGENE_SB=m +CONFIG_GPIO_XILINX=m # # USB GPIO expanders @@ -287,12 +330,12 @@ CONFIG_DUMMY_CONSOLE_ROWS=25 # CONFIG_SND_LX6464ES is not set # -# Common SoC Audio options for Freescale CPUs: +# Allwinner SoC Audio support # # CONFIG_SND_SOC_XTFPGA_I2S is not set # -# Platform Glue Layer +# MUSB DMA mode # CONFIG_MUSB_PIO_ONLY=y @@ -329,8 +372,8 @@ CONFIG_RTC_DRV_XGENE=m # DMA Devices # CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y -CONFIG_XGENE_DMA=m CONFIG_DMA_ACPI=y +CONFIG_XGENE_DMA=m # # DMA Clients @@ -338,9 +381,8 @@ CONFIG_DMA_ACPI=y CONFIG_DMA_ENGINE_RAID=y # -# Android +# Microsoft Hyper-V guest support # -# CONFIG_FSL_MC_BUS is not set # CONFIG_CHROME_PLATFORMS is not set # @@ -351,13 +393,16 @@ CONFIG_COMMON_CLK_XGENE=y # # Clock Source drivers # +CONFIG_CLKSRC_ACPI=y # CONFIG_SH_TIMER_TMU is not set # CONFIG_PL320_MBOX is not set -# CONFIG_PCC is not set +CONFIG_PCC=y # # Generic IOMMU Pagetable Support # +CONFIG_IOMMU_IOVA=y +CONFIG_IOMMU_DMA=y # CONFIG_ARM_SMMU is not set CONFIG_ARM_SMMU_V3=y @@ -372,11 +417,6 @@ CONFIG_ARM_SMMU_V3=y # CONFIG_ACPI_ALS is not set # -# Temperature sensors -# -CONFIG_ARM_GIC_V3=y - -# # PHY Subsystem # # CONFIG_PHY_EXYNOS4210_USB2 is not set @@ -390,6 +430,7 @@ CONFIG_PHY_XGENE=m CONFIG_LIBNVDIMM=y CONFIG_BLK_DEV_PMEM=m CONFIG_ND_BLK=m +CONFIG_ND_CLAIM=y CONFIG_ND_BTT=m CONFIG_BTT=y @@ -412,11 +453,16 @@ CONFIG_EFI_ARMSTUB=y CONFIG_ACPI=y CONFIG_ACPI_GENERIC_GSI=y CONFIG_ACPI_CCA_REQUIRED=y +# CONFIG_ACPI_DEBUGGER is not set # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m CONFIG_ACPI_DOCK=y +CONFIG_ACPI_CPPC_LIB=y +CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_IPMI=m +CONFIG_ACPI_HOTPLUG_CPU=y +CONFIG_ACPI_THERMAL=m # CONFIG_ACPI_CUSTOM_DSDT is not set # CONFIG_ACPI_DEBUG is not set # CONFIG_ACPI_PCI_SLOT is not set @@ -424,7 +470,6 @@ CONFIG_ACPI_CONTAINER=y CONFIG_ACPI_HED=m CONFIG_ACPI_CUSTOM_METHOD=m CONFIG_ACPI_REDUCED_HARDWARE_ONLY=y -CONFIG_ACPI_NFIT=m # CONFIG_PMIC_OPREGION is not set # @@ -442,9 +487,9 @@ CONFIG_KVM_MMIO=y CONFIG_KVM_VFIO=y CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y CONFIG_KVM_COMPAT=y +CONFIG_KVM_ARM_VGIC_V3=y CONFIG_KVM=y CONFIG_KVM_ARM_HOST=y -CONFIG_KVM_ARM_MAX_VCPUS=4 # # Compile-time checks and compiler options @@ -469,6 +514,10 @@ CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_CRYPTO_DEV_CCP=y CONFIG_CRYPTO_DEV_CCP_DD=m CONFIG_CRYPTO_DEV_CCP_CRYPTO=m + +# +# Certificates for signature checking +# CONFIG_ARM64_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM64_CE=m CONFIG_CRYPTO_SHA2_ARM64_CE=m diff --git a/kernel/config-generic b/kernel/config-generic index 936e462..34efb89 100644 --- a/kernel/config-generic +++ b/kernel/config-generic @@ -5,11 +5,13 @@ CONFIG_STACKTRACE_SUPPORT=y CONFIG_MMU=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_NEED_SG_DMA_LENGTH=y +CONFIG_GENERIC_BUG=y CONFIG_GENERIC_HWEIGHT=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_ARCH_WANT_GENERAL_HUGETLB=y +CONFIG_FIX_EARLYCON_MEM=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_IRQ_WORK=y CONFIG_BUILDTIME_EXTABLE_SORT=y @@ -80,8 +82,6 @@ CONFIG_SRCU=y # CONFIG_TASKS_RCU is not set CONFIG_RCU_STALL_COMMON=y # CONFIG_TREE_RCU_TRACE is not set -CONFIG_RCU_NOCB_CPU=y -# CONFIG_RCU_NOCB_CPU_ZERO is not set # CONFIG_RCU_EXPEDITE_BOOT is not set # CONFIG_BUILD_BIN2C is not set # CONFIG_IKCONFIG is not set @@ -90,6 +90,7 @@ CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_PIDS=y CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_PROC_PID_CPUSET=y @@ -146,7 +147,9 @@ CONFIG_BPF_SYSCALL=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_ADVISE_SYSCALLS=y +# CONFIG_USERFAULTFD is not set CONFIG_PCI_QUIRKS=y +CONFIG_MEMBARRIER=y CONFIG_EMBEDDED=y CONFIG_HAVE_PERF_EVENTS=y @@ -162,10 +165,11 @@ CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_SLUB_CPU_PARTIAL=y -CONFIG_SYSTEM_TRUSTED_KEYRING=y +# CONFIG_SYSTEM_DATA_VERIFICATION is not set # CONFIG_PROFILING is not set CONFIG_TRACEPOINTS=y CONFIG_JUMP_LABEL=y +# CONFIG_STATIC_KEYS_SELFTEST is not set # CONFIG_UPROBES is not set # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y @@ -205,7 +209,6 @@ CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_MODULE_SIG is not set # CONFIG_MODULE_COMPRESS is not set CONFIG_MODULES_TREE_LOOKUP=y -CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_BSG=y CONFIG_BLK_DEV_BSGLIB=y @@ -269,6 +272,8 @@ CONFIG_ZONE_DMA=y CONFIG_SMP=y # CONFIG_XEN is not set CONFIG_NO_BOOTMEM=y +CONFIG_SWIOTLB=y +CONFIG_IOMMU_HELPER=y CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=y CONFIG_PREEMPT_NONE=y @@ -277,7 +282,6 @@ CONFIG_PREEMPT_NONE=y CONFIG_HAVE_MEMBLOCK=y CONFIG_MEMORY_ISOLATION=y # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set -CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MEMORY_BALLOON=y CONFIG_BALLOON_COMPACTION=y @@ -296,7 +300,10 @@ CONFIG_CMA_AREAS=7 CONFIG_ZPOOL=m # CONFIG_ZBUD is not set # CONFIG_ZSMALLOC is not set +CONFIG_IDLE_PAGE_TRACKING=y +CONFIG_FRAME_VECTOR=y CONFIG_SECCOMP=y +CONFIG_SCHED_HRTICK=y CONFIG_HOTPLUG_CPU=y # @@ -304,6 +311,7 @@ CONFIG_HOTPLUG_CPU=y # CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y +# CONFIG_SUSPEND_SKIP_SYNC is not set CONFIG_PM_SLEEP=y CONFIG_PM_SLEEP_SMP=y # CONFIG_PM_AUTOSLEEP is not set @@ -422,7 +430,6 @@ CONFIG_NET_IPVTI=m CONFIG_NET_UDP_TUNNEL=m CONFIG_NET_FOU=m CONFIG_NET_FOU_IP_TUNNELS=y -# CONFIG_GENEVE_CORE is not set CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m @@ -462,6 +469,7 @@ CONFIG_INET6_AH=m CONFIG_INET6_ESP=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_MIP6=m +CONFIG_IPV6_ILA=m CONFIG_INET6_XFRM_TUNNEL=m CONFIG_INET6_TUNNEL=m CONFIG_INET6_XFRM_MODE_TRANSPORT=m @@ -523,7 +531,7 @@ CONFIG_NF_CONNTRACK_TFTP=m CONFIG_NF_CT_NETLINK=m CONFIG_NF_CT_NETLINK_TIMEOUT=m CONFIG_NF_CT_NETLINK_HELPER=m -CONFIG_NETFILTER_NETLINK_QUEUE_CT=y +CONFIG_NETFILTER_NETLINK_GLUE_CT=y CONFIG_NF_NAT=m CONFIG_NF_NAT_NEEDED=y CONFIG_NF_NAT_PROTO_DCCP=m @@ -673,6 +681,7 @@ CONFIG_IP_VS_WRR=m CONFIG_IP_VS_LC=m CONFIG_IP_VS_WLC=m CONFIG_IP_VS_FO=m +CONFIG_IP_VS_OVF=m CONFIG_IP_VS_LBLC=m CONFIG_IP_VS_LBLCR=m CONFIG_IP_VS_DH=m @@ -701,7 +710,9 @@ CONFIG_NF_CONNTRACK_IPV4=y CONFIG_NF_TABLES_IPV4=m CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NFT_REJECT_IPV4=m +CONFIG_NFT_DUP_IPV4=m CONFIG_NF_TABLES_ARP=m +CONFIG_NF_DUP_IPV4=m CONFIG_NF_LOG_ARP=m CONFIG_NF_LOG_IPV4=m CONFIG_NF_REJECT_IPV4=m @@ -727,6 +738,8 @@ CONFIG_NF_CONNTRACK_IPV6=y CONFIG_NF_TABLES_IPV6=m CONFIG_NFT_CHAIN_ROUTE_IPV6=m CONFIG_NFT_REJECT_IPV6=m +CONFIG_NFT_DUP_IPV6=m +CONFIG_NF_DUP_IPV6=m CONFIG_NF_REJECT_IPV6=m CONFIG_NF_LOG_IPV6=m CONFIG_NF_NAT_IPV6=m @@ -891,8 +904,10 @@ CONFIG_NETLINK_DIAG=m CONFIG_MPLS=y CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m +CONFIG_MPLS_IPTUNNEL=m # CONFIG_HSR is not set CONFIG_NET_SWITCHDEV=y +CONFIG_NET_L3_MASTER_DEV=y CONFIG_RPS=y CONFIG_RFS_ACCEL=y CONFIG_XPS=y @@ -919,6 +934,7 @@ CONFIG_BT_BNEP_MC_FILTER=y CONFIG_BT_BNEP_PROTO_FILTER=y CONFIG_BT_CMTP=m CONFIG_BT_HIDP=m +CONFIG_BT_HS=y CONFIG_BT_LE=y # CONFIG_BT_SELFTEST is not set # CONFIG_BT_DEBUGFS is not set @@ -929,6 +945,7 @@ CONFIG_BT_LE=y CONFIG_BT_INTEL=m CONFIG_BT_BCM=m CONFIG_BT_RTL=m +CONFIG_BT_QCA=m CONFIG_BT_HCIBTUSB=m CONFIG_BT_HCIBTUSB_BCM=y CONFIG_BT_HCIBTUSB_RTL=y @@ -940,6 +957,7 @@ CONFIG_BT_HCIUART_LL=y CONFIG_BT_HCIUART_3WIRE=y CONFIG_BT_HCIUART_INTEL=y CONFIG_BT_HCIUART_BCM=y +CONFIG_BT_HCIUART_QCA=y CONFIG_BT_HCIBCM203X=m CONFIG_BT_HCIBPA10X=m CONFIG_BT_HCIBFUSB=m @@ -963,6 +981,7 @@ CONFIG_CFG80211=m CONFIG_CFG80211_DEFAULT_PS=y # CONFIG_CFG80211_DEBUGFS is not set # CONFIG_CFG80211_INTERNAL_REGDB is not set +CONFIG_CFG80211_CRDA_SUPPORT=y CONFIG_CFG80211_WEXT=y CONFIG_CFG80211_WEXT_EXPORT=y CONFIG_LIB80211=m @@ -991,6 +1010,7 @@ CONFIG_RFKILL_INPUT=y # CONFIG_CAIF is not set # CONFIG_CEPH_LIB is not set # CONFIG_NFC is not set +CONFIG_LWTUNNEL=y # # Device Drivers @@ -1077,7 +1097,7 @@ CONFIG_ENCLOSURE_SERVICES=m # CONFIG_SENSORS_APDS990X is not set # CONFIG_HMC6352 is not set CONFIG_DS1682=m -CONFIG_BMP085=y +CONFIG_BMP085=m CONFIG_BMP085_I2C=m CONFIG_USB_SWITCH_FSA9480=m # CONFIG_C2PORT is not set @@ -1123,9 +1143,14 @@ CONFIG_ALTERA_STAPL=m # # SCIF Driver # + +# +# Intel MIC Coprocessor State Management (COSM) Drivers +# # CONFIG_ECHO is not set # CONFIG_CXL_BASE is not set # CONFIG_CXL_KERNEL_API is not set +# CONFIG_CXL_EEH is not set # # SCSI device support @@ -1197,12 +1222,10 @@ CONFIG_SCSI_ARCMSR=m CONFIG_SCSI_ESAS2R=m CONFIG_MEGARAID_LEGACY=m CONFIG_MEGARAID_SAS=m -CONFIG_SCSI_MPT2SAS=m -CONFIG_SCSI_MPT2SAS_MAX_SGE=128 -# CONFIG_SCSI_MPT2SAS_LOGGING is not set CONFIG_SCSI_MPT3SAS=m +CONFIG_SCSI_MPT2SAS_MAX_SGE=128 CONFIG_SCSI_MPT3SAS_MAX_SGE=128 -# CONFIG_SCSI_MPT3SAS_LOGGING is not set +CONFIG_SCSI_MPT2SAS=m CONFIG_SCSI_UFSHCD=m CONFIG_SCSI_UFSHCD_PCI=m CONFIG_SCSI_UFSHCD_PLATFORM=m @@ -1259,6 +1282,7 @@ CONFIG_SATA_PMP=y CONFIG_SATA_AHCI=m CONFIG_SATA_AHCI_PLATFORM=m CONFIG_AHCI_CEVA=m +CONFIG_AHCI_QORIQ=m CONFIG_SATA_INIC162X=m CONFIG_SATA_ACARD_AHCI=m CONFIG_SATA_SIL24=m @@ -1402,6 +1426,7 @@ CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m CONFIG_VXLAN=m +# CONFIG_GENEVE is not set CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_NETPOLL=y @@ -1411,6 +1436,7 @@ CONFIG_TUN=m CONFIG_VETH=m CONFIG_VIRTIO_NET=m CONFIG_NLMON=m +CONFIG_NET_VRF=m CONFIG_SUNGEM_PHY=m # CONFIG_ARCNET is not set CONFIG_ATM_DRIVERS=y @@ -1422,6 +1448,10 @@ CONFIG_ATM_TCP=m # # CAIF transport drivers # +CONFIG_VHOST_NET=m +CONFIG_VHOST_RING=m +CONFIG_VHOST=m +# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set # # Distributed Switch Architecture drivers @@ -1458,6 +1488,8 @@ CONFIG_ATL1=m CONFIG_ATL1E=m CONFIG_ATL1C=m CONFIG_ALX=m +CONFIG_NET_VENDOR_AURORA=y +CONFIG_AURORA_NB8800=m CONFIG_NET_CADENCE=y CONFIG_NET_VENDOR_BROADCOM=y CONFIG_B44=m @@ -1469,10 +1501,12 @@ CONFIG_BNX2=m CONFIG_CNIC=m CONFIG_TIGON3=m CONFIG_BNX2X=m +CONFIG_BNX2X_VXLAN=y CONFIG_SYSTEMPORT=m +CONFIG_BNXT=m CONFIG_NET_VENDOR_BROCADE=y CONFIG_BNA=m -CONFIG_NET_VENDOR_CAVIUM=m +CONFIG_NET_VENDOR_CAVIUM=y CONFIG_NET_VENDOR_CHELSIO=y CONFIG_CHELSIO_T1=m CONFIG_CHELSIO_T3=m @@ -1517,7 +1551,6 @@ CONFIG_IXGBE_VXLAN=y CONFIG_IXGBE_HWMON=y CONFIG_I40E=m CONFIG_NET_VENDOR_I825XX=y -CONFIG_IP1000=m CONFIG_JME=m CONFIG_NET_VENDOR_MARVELL=y CONFIG_MVMDIO=m @@ -1531,6 +1564,10 @@ CONFIG_MLX4_EN_VXLAN=y CONFIG_MLX4_CORE=m # CONFIG_MLX4_DEBUG is not set # CONFIG_MLX5_CORE is not set +CONFIG_MLXSW_CORE=m +CONFIG_MLXSW_PCI=m +CONFIG_MLXSW_SWITCHX2=m +CONFIG_MLXSW_SPECTRUM=m CONFIG_NET_VENDOR_MICREL=y # CONFIG_KS8842 is not set # CONFIG_KS8851_MLL is not set @@ -1556,6 +1593,8 @@ CONFIG_QLCNIC=m CONFIG_QLCNIC_HWMON=y CONFIG_QLGE=m CONFIG_NETXEN_NIC=m +CONFIG_QED=m +CONFIG_QEDE=m CONFIG_NET_VENDOR_QUALCOMM=y CONFIG_NET_VENDOR_REALTEK=y CONFIG_8139CP=m @@ -1600,6 +1639,8 @@ CONFIG_HAPPYMEAL=m CONFIG_SUNGEM=m CONFIG_CASSINI=m CONFIG_NIU=m +CONFIG_NET_VENDOR_SYNOPSYS=y +CONFIG_SYNOPSYS_DWC_ETH_QOS=m CONFIG_NET_VENDOR_TEHUTI=y CONFIG_TEHUTI=m CONFIG_NET_VENDOR_TI=y @@ -1621,6 +1662,7 @@ CONFIG_PHYLIB=y # # MII PHY device drivers # +CONFIG_AQUANTIA_PHY=m CONFIG_AT803X_PHY=m CONFIG_AMD_PHY=m CONFIG_MARVELL_PHY=m @@ -1629,7 +1671,9 @@ CONFIG_QSEMI_PHY=m CONFIG_LXT_PHY=m CONFIG_CICADA_PHY=m CONFIG_VITESSE_PHY=m +CONFIG_TERANETICS_PHY=m CONFIG_SMSC_PHY=m +CONFIG_BCM_NET_PHYLIB=m CONFIG_BROADCOM_PHY=m CONFIG_BCM7XXX_PHY=m CONFIG_BCM87XX_PHY=m @@ -1639,7 +1683,9 @@ CONFIG_NATIONAL_PHY=m CONFIG_STE10XP=m CONFIG_LSI_ET1011C_PHY=m CONFIG_MICREL_PHY=m +CONFIG_DP83848_PHY=m CONFIG_DP83867_PHY=m +CONFIG_MICROCHIP_PHY=m CONFIG_FIXED_PHY=y CONFIG_MDIO_BITBANG=m # CONFIG_MDIO_GPIO is not set @@ -1667,6 +1713,7 @@ CONFIG_USB_KAWETH=m CONFIG_USB_PEGASUS=m CONFIG_USB_RTL8150=m CONFIG_USB_RTL8152=m +CONFIG_USB_LAN78XX=m CONFIG_USB_USBNET=m CONFIG_USB_NET_AX8817X=m CONFIG_USB_NET_AX88179_178A=m @@ -1701,6 +1748,7 @@ CONFIG_USB_NET_INT51X1=m CONFIG_USB_IPHETH=m CONFIG_USB_SIERRA_NET=m CONFIG_USB_VL600=m +CONFIG_USB_NET_CH9200=m CONFIG_WLAN=y CONFIG_LIBERTAS_THINFIRM=m # CONFIG_LIBERTAS_THINFIRM_DEBUG is not set @@ -1711,10 +1759,10 @@ CONFIG_AT76C50X_USB=m # CONFIG_PRISM54 is not set CONFIG_USB_ZD1201=m CONFIG_USB_NET_RNDIS_WLAN=m +CONFIG_ADM8211=m CONFIG_RTL8180=m CONFIG_RTL8187=m CONFIG_RTL8187_LEDS=y -CONFIG_ADM8211=m CONFIG_MAC80211_HWSIM=m CONFIG_MWL8K=m CONFIG_ATH_COMMON=m @@ -1870,6 +1918,8 @@ CONFIG_RTLWIFI_USB=m CONFIG_RTL8192C_COMMON=m CONFIG_RTL8723_COMMON=m CONFIG_RTLBTCOEXIST=m +CONFIG_RTL8XXXU=m +# CONFIG_RTL8XXXU_UNTESTED is not set CONFIG_WL_TI=y CONFIG_WL1251=m CONFIG_WL1251_SDIO=m @@ -1987,6 +2037,10 @@ CONFIG_CAPI_EICON=y # CONFIG_HYSDN is not set # CONFIG_MISDN is not set CONFIG_ISDN_HDLC=m +CONFIG_NVM=y +# CONFIG_NVM_DEBUG is not set +CONFIG_NVM_GENNVM=m +CONFIG_NVM_RRPC=m # # Input device support @@ -2068,7 +2122,6 @@ CONFIG_INPUT_MISC=y # CONFIG_INPUT_AD714X is not set # CONFIG_INPUT_BMA150 is not set # CONFIG_INPUT_E3X0_BUTTON is not set -# CONFIG_INPUT_MAX77843_HAPTIC is not set # CONFIG_INPUT_MAX8925_ONKEY is not set # CONFIG_INPUT_MMA8450 is not set # CONFIG_INPUT_MPU3050 is not set @@ -2112,6 +2165,7 @@ CONFIG_SERIO_ALTERA_PS2=m # CONFIG_SERIO_PS2MULT is not set CONFIG_SERIO_ARC_PS2=m CONFIG_SERIO_APBPS2=m +# CONFIG_USERIO is not set # CONFIG_GAMEPORT is not set # @@ -2154,10 +2208,13 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_8250_DETECT_IRQ is not set CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_8250_DW=m +CONFIG_SERIAL_8250_RT288X=y +CONFIG_SERIAL_8250_MID=m # # Non-8250 serial port support # +# CONFIG_SERIAL_UARTLITE is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_SERIAL_SC16IS7XX_CORE=m @@ -2204,6 +2261,7 @@ CONFIG_I2C_MUX=y CONFIG_I2C_MUX_GPIO=m CONFIG_I2C_MUX_PCA9541=m CONFIG_I2C_MUX_PCA954x=m +CONFIG_I2C_MUX_REG=m CONFIG_I2C_HELPER_AUTO=y CONFIG_I2C_SMBUS=m CONFIG_I2C_ALGOBIT=m @@ -2237,6 +2295,7 @@ CONFIG_I2C_CBUS_GPIO=m CONFIG_I2C_DESIGNWARE_CORE=m CONFIG_I2C_DESIGNWARE_PLATFORM=m # CONFIG_I2C_DESIGNWARE_PCI is not set +CONFIG_I2C_EMEV2=m # CONFIG_I2C_GPIO is not set CONFIG_I2C_KEMPLD=m # CONFIG_I2C_OCORES is not set @@ -2319,9 +2378,13 @@ CONFIG_GPIO_GENERIC=y CONFIG_GPIO_74XX_MMIO=m CONFIG_GPIO_ALTERA=m CONFIG_GPIO_GENERIC_PLATFORM=y -# CONFIG_GPIO_SCH311X is not set CONFIG_GPIO_SYSCON=m # CONFIG_GPIO_VX855 is not set +CONFIG_GPIO_ZX=y + +# +# Port-mapped I/O GPIO drivers +# # # I2C GPIO expanders @@ -2364,6 +2427,11 @@ CONFIG_GPIO_STMPE=y # CONFIG_GPIO_RDC321X is not set # +# SPI or I2C GPIO expanders +# +CONFIG_GPIO_MCP23S08=m + +# # USB GPIO expanders # CONFIG_GPIO_VIPERBOARD=m @@ -2377,7 +2445,8 @@ CONFIG_GENERIC_ADC_BATTERY=m # CONFIG_BATTERY_DS2781 is not set # CONFIG_BATTERY_DS2782 is not set # CONFIG_BATTERY_SBS is not set -# CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_BQ27XXX is not set +# CONFIG_AXP288_CHARGER is not set CONFIG_AXP288_FUEL_GAUGE=m # CONFIG_BATTERY_MAX17040 is not set # CONFIG_BATTERY_MAX17042 is not set @@ -2398,6 +2467,7 @@ CONFIG_CHARGER_MAX77693=m # CONFIG_BATTERY_GAUGE_LTC2941 is not set # CONFIG_BATTERY_RT5033 is not set # CONFIG_CHARGER_RT9455 is not set +# CONFIG_AXP20X_POWER is not set CONFIG_POWER_RESET=y CONFIG_POWER_RESET_GPIO=y CONFIG_POWER_RESET_GPIO_RESTART=y @@ -2465,6 +2535,7 @@ CONFIG_SENSORS_MAX6639=m CONFIG_SENSORS_MAX6642=m CONFIG_SENSORS_MAX6650=m CONFIG_SENSORS_MAX6697=m +CONFIG_SENSORS_MAX31790=m CONFIG_SENSORS_HTU21=m CONFIG_SENSORS_MCP3021=m CONFIG_SENSORS_MENF21BMC_HWMON=m @@ -2497,6 +2568,7 @@ CONFIG_SENSORS_ADM1275=m CONFIG_SENSORS_LM25066=m # CONFIG_SENSORS_LTC2978 is not set CONFIG_SENSORS_MAX16064=m +CONFIG_SENSORS_MAX20751=m CONFIG_SENSORS_MAX34440=m CONFIG_SENSORS_MAX8688=m CONFIG_SENSORS_TPS40422=m @@ -2565,12 +2637,9 @@ CONFIG_THERMAL_GOV_USER_SPACE=y CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_CLOCK_THERMAL=y +CONFIG_DEVFREQ_THERMAL=y CONFIG_THERMAL_EMULATION=y CONFIG_IMX_THERMAL=m - -# -# Texas Instruments thermal drivers -# CONFIG_QCOM_SPMI_TEMP_ALARM=m CONFIG_WATCHDOG=y CONFIG_WATCHDOG_CORE=y @@ -2583,6 +2652,7 @@ CONFIG_SOFT_WATCHDOG=m CONFIG_DA9052_WATCHDOG=m CONFIG_DA9055_WATCHDOG=m CONFIG_DA9063_WATCHDOG=m +CONFIG_DA9062_WATCHDOG=m CONFIG_GPIO_WATCHDOG=m CONFIG_MENF21BMC_WATCHDOG=m CONFIG_WM831X_WATCHDOG=m @@ -2597,6 +2667,7 @@ CONFIG_RETU_WATCHDOG=m CONFIG_ALIM7101_WDT=m CONFIG_I6300ESB_WDT=m CONFIG_KEMPLD_WDT=m +CONFIG_BCM7038_WDT=m CONFIG_MEN_A21_WDT=m # @@ -2620,6 +2691,7 @@ CONFIG_SSB_PCIHOST=y CONFIG_SSB_B43_PCI_BRIDGE=y CONFIG_SSB_SDIOHOST_POSSIBLE=y CONFIG_SSB_SDIOHOST=y +CONFIG_SSB_HOST_SOC=y # CONFIG_SSB_SILENT is not set # CONFIG_SSB_DEBUG is not set CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y @@ -2648,13 +2720,14 @@ CONFIG_MFD_AS3711=y CONFIG_MFD_AS3722=y CONFIG_PMIC_ADP5520=y CONFIG_MFD_AAT2870_CORE=y +CONFIG_MFD_ATMEL_FLEXCOM=m CONFIG_MFD_BCM590XX=m CONFIG_MFD_AXP20X=y -# CONFIG_MFD_CROS_EC is not set CONFIG_PMIC_DA903X=y CONFIG_PMIC_DA9052=y CONFIG_MFD_DA9052_I2C=y CONFIG_MFD_DA9055=y +CONFIG_MFD_DA9062=m CONFIG_MFD_DA9063=y # CONFIG_MFD_DA9150 is not set # CONFIG_MFD_DLN2 is not set @@ -2745,6 +2818,7 @@ CONFIG_REGULATOR_BCM590XX=m CONFIG_REGULATOR_DA903X=m CONFIG_REGULATOR_DA9052=m CONFIG_REGULATOR_DA9055=m +CONFIG_REGULATOR_DA9062=m CONFIG_REGULATOR_DA9063=m CONFIG_REGULATOR_DA9210=m CONFIG_REGULATOR_DA9211=m @@ -2769,7 +2843,7 @@ CONFIG_REGULATOR_MAX8998=m CONFIG_REGULATOR_MAX77686=m CONFIG_REGULATOR_MAX77693=m CONFIG_REGULATOR_MAX77802=m -CONFIG_REGULATOR_MAX77843=m +CONFIG_REGULATOR_MT6311=m CONFIG_REGULATOR_MT6397=m CONFIG_REGULATOR_PALMAS=m CONFIG_REGULATOR_PFUZE100=m @@ -3018,6 +3092,8 @@ CONFIG_MEDIA_PCI_SUPPORT=y # # Media capture support # +# CONFIG_VIDEO_SOLO6X10 is not set +# CONFIG_VIDEO_TW68 is not set # # Media capture/analog TV support @@ -3026,8 +3102,6 @@ CONFIG_MEDIA_PCI_SUPPORT=y # CONFIG_VIDEO_HEXIUM_GEMINI is not set # CONFIG_VIDEO_HEXIUM_ORION is not set # CONFIG_VIDEO_MXB is not set -# CONFIG_VIDEO_SOLO6X10 is not set -# CONFIG_VIDEO_TW68 is not set # CONFIG_VIDEO_DT3155 is not set # @@ -3048,6 +3122,7 @@ CONFIG_V4L_MEM2MEM_DRIVERS=y CONFIG_VIDEO_MEM2MEM_DEINTERLACE=m CONFIG_VIDEO_SH_VEU=m # CONFIG_V4L_TEST_DRIVERS is not set +CONFIG_DVB_PLATFORM_DRIVERS=y # # Supported MMC/SDIO adapters @@ -3299,14 +3374,11 @@ CONFIG_DVB_AF9033=m # CONFIG_VGA_ARB=y CONFIG_VGA_ARB_MAX_GPUS=16 - -# -# Direct Rendering Manager -# CONFIG_DRM=m CONFIG_DRM_MIPI_DSI=y CONFIG_DRM_KMS_HELPER=m CONFIG_DRM_KMS_FB_HELPER=y +# CONFIG_DRM_FBDEV_EMULATION is not set # CONFIG_DRM_LOAD_EDID_FIRMWARE is not set CONFIG_DRM_TTM=m @@ -3316,8 +3388,6 @@ CONFIG_DRM_TTM=m # CONFIG_DRM_I2C_ADV7511 is not set # CONFIG_DRM_I2C_CH7006 is not set # CONFIG_DRM_I2C_SIL164 is not set -CONFIG_DRM_PTN3460=m -CONFIG_DRM_PS8622=m CONFIG_DRM_TDFX=m CONFIG_DRM_R128=m CONFIG_DRM_RADEON=m @@ -3334,8 +3404,6 @@ CONFIG_DRM_MGA=m CONFIG_DRM_VIA=m CONFIG_DRM_SAVAGE=m CONFIG_DRM_VGEM=m -CONFIG_DRM_VMWGFX=m -# CONFIG_DRM_VMWGFX_FBCON is not set CONFIG_DRM_UDL=m CONFIG_DRM_AST=m CONFIG_DRM_MGAG200=m @@ -3349,8 +3417,15 @@ CONFIG_DRM_PANEL=y # Display Panels # CONFIG_DRM_PANEL_SIMPLE=m -CONFIG_DRM_PANEL_S6E8AA0=m +CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=m CONFIG_DRM_PANEL_SHARP_LQ101R1SX01=m +CONFIG_DRM_BRIDGE=y + +# +# Display Interface Bridges +# +CONFIG_DRM_NXP_PTN3460=m +CONFIG_DRM_PARADE_PS8622=m # # Frame buffer Devices @@ -3409,6 +3484,7 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_SM501 is not set # CONFIG_FB_SMSCUFX is not set # CONFIG_FB_UDL is not set +# CONFIG_FB_IBM_GXT4500 is not set # CONFIG_FB_VIRTUAL is not set # CONFIG_FB_METRONOME is not set # CONFIG_FB_MB862XX is not set @@ -3416,6 +3492,7 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_AUO_K190X is not set # CONFIG_FB_SIMPLE is not set # CONFIG_FB_SSD1307 is not set +# CONFIG_FB_SM712 is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=m CONFIG_BACKLIGHT_CLASS_DEVICE=y @@ -3424,6 +3501,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_BACKLIGHT_DA903X is not set # CONFIG_BACKLIGHT_DA9052 is not set # CONFIG_BACKLIGHT_MAX8925 is not set +# CONFIG_BACKLIGHT_PM8941_WLED is not set # CONFIG_BACKLIGHT_WM831X is not set # CONFIG_BACKLIGHT_ADP5520 is not set # CONFIG_BACKLIGHT_ADP8860 is not set @@ -3467,6 +3545,7 @@ CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_PCM_OSS_PLUGINS=y +CONFIG_SND_PCM_TIMER=y CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_HRTIMER=m CONFIG_SND_SEQ_HRTIMER_DEFAULT=y @@ -3623,6 +3702,7 @@ CONFIG_HID_BELKIN=y # CONFIG_HID_BETOP_FF is not set CONFIG_HID_CHERRY=y CONFIG_HID_CHICONY=y +CONFIG_HID_CORSAIR=m # CONFIG_HID_PRODIKEYS is not set CONFIG_HID_CP2112=m CONFIG_HID_CYPRESS=y @@ -3631,6 +3711,8 @@ CONFIG_HID_CYPRESS=y # CONFIG_HID_ELECOM is not set # CONFIG_HID_ELO is not set CONFIG_HID_EZKEY=y +# CONFIG_HID_GEMBIRD is not set +# CONFIG_HID_GFRM is not set # CONFIG_HID_HOLTEK is not set CONFIG_HID_GT683R=m CONFIG_HID_KEYTOUCH=m @@ -3736,7 +3818,6 @@ CONFIG_USB_EHCI_HCD_PLATFORM=y # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_ISP1362_HCD=m -CONFIG_USB_FUSBH200_HCD=m CONFIG_USB_FOTG210_HCD=m CONFIG_USB_OHCI_HCD=y CONFIG_USB_OHCI_HCD_PCI=y @@ -3795,6 +3876,10 @@ CONFIG_USB_MUSB_HOST=y # # Platform Glue Layer # + +# +# MUSB DMA mode +# CONFIG_USB_DWC3=m CONFIG_USB_DWC3_ULPI=y CONFIG_USB_DWC3_HOST=y @@ -3803,11 +3888,6 @@ CONFIG_USB_DWC3_HOST=y # Platform Glue Driver Support # CONFIG_USB_DWC3_PCI=m - -# -# Debugging features -# -# CONFIG_USB_DWC3_DEBUG is not set CONFIG_USB_DWC2=y CONFIG_USB_DWC2_HOST=y @@ -3923,13 +4003,14 @@ CONFIG_USB_XUSBATM=m CONFIG_USB_PHY=y CONFIG_NOP_USB_XCEIV=y CONFIG_USB_GPIO_VBUS=m +CONFIG_TAHVO_USB=m +# CONFIG_TAHVO_USB_HOST_BY_DEFAULT is not set CONFIG_USB_ISP1301=m # CONFIG_USB_GADGET is not set CONFIG_USB_LED_TRIG=y # CONFIG_UWB is not set CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set -# CONFIG_MMC_CLKGATE is not set # # MMC/SD/SDIO Card Drivers @@ -3944,9 +4025,11 @@ CONFIG_MMC_BLOCK_BOUNCE=y # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI=m +CONFIG_MMC_SDHCI_IO_ACCESSORS=y CONFIG_MMC_SDHCI_PCI=m CONFIG_MMC_SDHCI_PLTFM=m CONFIG_MMC_SDHCI_OF_ARASAN=m +CONFIG_MMC_SDHCI_OF_AT91=m CONFIG_MMC_SDHCI_F_SDH30=m CONFIG_MMC_TIFM_SD=m CONFIG_MMC_CB710=m @@ -4020,7 +4103,6 @@ CONFIG_LEDS_KTD2692=m # CONFIG_LEDS_BLINKM=m CONFIG_LEDS_SYSCON=y -CONFIG_LEDS_PM8941_WLED=m # # LED Triggers @@ -4107,6 +4189,7 @@ CONFIG_RTC_DRV_RX8581=m CONFIG_RTC_DRV_RX8025=m CONFIG_RTC_DRV_EM3027=m CONFIG_RTC_DRV_RV3029C2=m +CONFIG_RTC_DRV_RV8803=m CONFIG_RTC_DRV_S5M=m # @@ -4142,6 +4225,7 @@ CONFIG_RTC_DRV_RP5C01=m CONFIG_RTC_DRV_V3020=m CONFIG_RTC_DRV_WM831X=m CONFIG_RTC_DRV_WM8350=m +CONFIG_RTC_DRV_ZYNQMP=m # # on-CPU RTC drivers @@ -4159,12 +4243,12 @@ CONFIG_DMADEVICES=y # # DMA Devices # -CONFIG_HSU_DMA=m -CONFIG_HSU_DMA_PCI=m -CONFIG_FSL_EDMA=m CONFIG_DMA_ENGINE=y CONFIG_DMA_VIRTUAL_CHANNELS=m CONFIG_DMA_OF=y +CONFIG_FSL_EDMA=m +CONFIG_INTEL_IDMA64=m +CONFIG_HSU_DMA=m # # DMA Clients @@ -4195,113 +4279,7 @@ CONFIG_VIRTIO_MMIO=m # # Microsoft Hyper-V guest support # -CONFIG_STAGING=y -# CONFIG_PRISM2_USB is not set -# CONFIG_COMEDI is not set -# CONFIG_RTL8192U is not set -CONFIG_RTLLIB=m -CONFIG_RTLLIB_CRYPTO_CCMP=m -CONFIG_RTLLIB_CRYPTO_TKIP=m -CONFIG_RTLLIB_CRYPTO_WEP=m -# CONFIG_RTL8192E is not set -# CONFIG_R8712U is not set -# CONFIG_R8188EU is not set -CONFIG_R8723AU=m -CONFIG_8723AU_AP_MODE=y -CONFIG_8723AU_BT_COEXIST=y -CONFIG_RTS5208=m -# CONFIG_VT6655 is not set -# CONFIG_VT6656 is not set - -# -# IIO staging drivers -# - -# -# Accelerometers -# - -# -# Analog to digital converters -# -# CONFIG_AD7606 is not set - -# -# Analog digital bi-direction converters -# -# CONFIG_ADT7316 is not set - -# -# Capacitance to digital converters -# -# CONFIG_AD7150 is not set -# CONFIG_AD7152 is not set -# CONFIG_AD7746 is not set - -# -# Direct Digital Synthesis -# - -# -# Digital gyroscope sensors -# - -# -# Network Analyzer, Impedance Converters -# -# CONFIG_AD5933 is not set - -# -# Light sensors -# -# CONFIG_SENSORS_ISL29018 is not set -# CONFIG_SENSORS_ISL29028 is not set -# CONFIG_TSL2583 is not set -# CONFIG_TSL2x7x is not set - -# -# Magnetometer sensors -# -CONFIG_SENSORS_HMC5843=m -CONFIG_SENSORS_HMC5843_I2C=m - -# -# Active energy metering IC -# -# CONFIG_ADE7854 is not set - -# -# Resolver to digital converters -# - -# -# Triggers - standalone -# -# CONFIG_IIO_PERIODIC_RTC_TRIGGER is not set -# CONFIG_IIO_SIMPLE_DUMMY is not set -# CONFIG_FB_SM7XX is not set -# CONFIG_FB_SM750 is not set -# CONFIG_FB_XGI is not set -# CONFIG_FT1000 is not set - -# -# Speakup console speech -# -# CONFIG_SPEAKUP is not set -# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set -# CONFIG_STAGING_MEDIA is not set - -# -# Android -# -# CONFIG_STAGING_BOARD is not set -# CONFIG_USB_WPAN_HCD is not set -# CONFIG_WIMAX_GDM72XX is not set -# CONFIG_LTE_GDM724X is not set -# CONFIG_LUSTRE_FS is not set -# CONFIG_DGNC is not set -# CONFIG_DGAP is not set -# CONFIG_GS_FPGABOOT is not set +# CONFIG_STAGING is not set CONFIG_CLKDEV_LOOKUP=y CONFIG_HAVE_CLK_PREPARE=y CONFIG_COMMON_CLK=y @@ -4313,6 +4291,7 @@ CONFIG_COMMON_CLK_MAX_GEN=y CONFIG_COMMON_CLK_MAX77802=m CONFIG_COMMON_CLK_RK808=m CONFIG_COMMON_CLK_SI5351=m +CONFIG_COMMON_CLK_SI514=m CONFIG_COMMON_CLK_SI570=m CONFIG_COMMON_CLK_CDCE925=m CONFIG_COMMON_CLK_S2MPS11=m @@ -4334,6 +4313,7 @@ CONFIG_COMMON_CLK_CDCE706=m # CONFIG_EM_TIMER_STI is not set CONFIG_MAILBOX=y CONFIG_ALTERA_MBOX=m +# CONFIG_MAILBOX_TEST is not set CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y @@ -4369,11 +4349,26 @@ CONFIG_DEVFREQ_GOV_USERSPACE=m # DEVFREQ Drivers # CONFIG_PM_DEVFREQ_EVENT=y -# CONFIG_EXTCON is not set +CONFIG_EXTCON=m + +# +# Extcon Device Drivers +# +CONFIG_EXTCON_ADC_JACK=m +CONFIG_EXTCON_AXP288=m +CONFIG_EXTCON_GPIO=m +CONFIG_EXTCON_MAX14577=m +CONFIG_EXTCON_MAX77693=m +CONFIG_EXTCON_MAX77843=m +CONFIG_EXTCON_MAX8997=m +CONFIG_EXTCON_PALMAS=m +CONFIG_EXTCON_RT8973A=m +CONFIG_EXTCON_SM5502=m +CONFIG_EXTCON_USB_GPIO=m CONFIG_MEMORY=y CONFIG_IIO=m CONFIG_IIO_BUFFER=y -CONFIG_IIO_BUFFER_CB=y +CONFIG_IIO_BUFFER_CB=m CONFIG_IIO_KFIFO_BUF=m CONFIG_IIO_TRIGGERED_BUFFER=m CONFIG_IIO_TRIGGER=y @@ -4386,10 +4381,11 @@ CONFIG_IIO_CONSUMERS_PER_TRIGGER=2 # CONFIG_BMC150_ACCEL is not set # CONFIG_HID_SENSOR_ACCEL_3D is not set # CONFIG_IIO_ST_ACCEL_3AXIS is not set -# CONFIG_MMA8452 is not set CONFIG_KXCJK1013=m +# CONFIG_MMA8452 is not set # CONFIG_MMA9551 is not set # CONFIG_MMA9553 is not set +# CONFIG_MXC4005 is not set # CONFIG_STK8312 is not set # CONFIG_STK8BA50 is not set @@ -4415,6 +4411,11 @@ CONFIG_VF610_ADC=m # # +# Chemical Sensors +# +# CONFIG_VZ89X is not set + +# # Hid Sensor IIO Common # CONFIG_HID_SENSOR_IIO_COMMON=m @@ -4461,6 +4462,8 @@ CONFIG_MAX5821=m # Humidity sensors # CONFIG_DHT11=m +# CONFIG_HDC100X is not set +# CONFIG_HTU21 is not set # CONFIG_SI7005 is not set # CONFIG_SI7020 is not set @@ -4476,6 +4479,7 @@ CONFIG_DHT11=m # CONFIG_ADJD_S311 is not set # CONFIG_AL3320A is not set # CONFIG_APDS9300 is not set +# CONFIG_APDS9960 is not set # CONFIG_BH1750 is not set CONFIG_CM32181=m # CONFIG_CM3232 is not set @@ -4486,13 +4490,17 @@ CONFIG_CM32181=m # CONFIG_HID_SENSOR_ALS is not set # CONFIG_HID_SENSOR_PROX is not set # CONFIG_JSA1212 is not set +# CONFIG_RPR0521 is not set # CONFIG_SENSORS_LM3533 is not set # CONFIG_LTR501 is not set +# CONFIG_OPT3001 is not set +# CONFIG_PA12203001 is not set # CONFIG_STK3310 is not set # CONFIG_TCS3414 is not set # CONFIG_TCS3472 is not set # CONFIG_SENSORS_TSL2563 is not set # CONFIG_TSL4531 is not set +# CONFIG_US5182D is not set # CONFIG_VCNL4000 is not set # @@ -4500,11 +4508,11 @@ CONFIG_CM32181=m # # CONFIG_AK8975 is not set # CONFIG_AK09911 is not set +# CONFIG_BMC150_MAGN is not set # CONFIG_MAG3110 is not set # CONFIG_HID_SENSOR_MAGNETOMETER_3D is not set # CONFIG_MMC35240 is not set # CONFIG_IIO_ST_MAGN_3AXIS is not set -# CONFIG_BMC150_MAGN is not set # # Inclinometer sensors @@ -4519,6 +4527,11 @@ CONFIG_IIO_INTERRUPT_TRIGGER=m # CONFIG_IIO_SYSFS_TRIGGER is not set # +# Digital potentiometers +# +# CONFIG_MCP4531 is not set + +# # Pressure sensors # # CONFIG_BMP280 is not set @@ -4526,6 +4539,7 @@ CONFIG_IIO_INTERRUPT_TRIGGER=m # CONFIG_MPL115 is not set CONFIG_MPL3115=m # CONFIG_MS5611 is not set +# CONFIG_MS5637 is not set CONFIG_IIO_ST_PRESS=m CONFIG_IIO_ST_PRESS_I2C=m # CONFIG_T5403 is not set @@ -4537,6 +4551,7 @@ CONFIG_IIO_ST_PRESS_I2C=m # # Proximity sensors # +# CONFIG_LIDAR_LITE_V2 is not set # CONFIG_SX9500 is not set # @@ -4544,6 +4559,8 @@ CONFIG_IIO_ST_PRESS_I2C=m # # CONFIG_MLX90614 is not set # CONFIG_TMP006 is not set +# CONFIG_TSYS01 is not set +# CONFIG_TSYS02D is not set # CONFIG_NTB is not set # CONFIG_VME_BUS is not set CONFIG_IRQCHIP=y @@ -4562,6 +4579,10 @@ CONFIG_PHY_SAMSUNG_USB2=m CONFIG_PHY_TUSB1210=m # CONFIG_POWERCAP is not set # CONFIG_MCB is not set + +# +# Performance monitor support +# CONFIG_RAS=y CONFIG_THUNDERBOLT=m @@ -4569,6 +4590,22 @@ CONFIG_THUNDERBOLT=m # Android # # CONFIG_ANDROID is not set +CONFIG_NVMEM=m +CONFIG_STM=m +CONFIG_STM_DUMMY=m +CONFIG_STM_SOURCE_CONSOLE=m +CONFIG_INTEL_TH=m +CONFIG_INTEL_TH_PCI=m +CONFIG_INTEL_TH_GTH=m +CONFIG_INTEL_TH_STH=m +CONFIG_INTEL_TH_MSU=m +CONFIG_INTEL_TH_PTI=m +# CONFIG_INTEL_TH_DEBUG is not set + +# +# FPGA Configuration Support +# +# CONFIG_FPGA is not set # # Firmware Drivers @@ -4585,7 +4622,7 @@ CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set CONFIG_EXT4_FS=y -CONFIG_EXT4_USE_FOR_EXT23=y +CONFIG_EXT4_USE_FOR_EXT2=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y CONFIG_EXT4_ENCRYPTION=m @@ -4841,6 +4878,7 @@ CONFIG_STRIP_ASM_SYMS=y CONFIG_DEBUG_FS=y CONFIG_HEADERS_CHECK=y # CONFIG_DEBUG_SECTION_MISMATCH is not set +CONFIG_SECTION_MISMATCH_WARN_ONLY=y # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set CONFIG_MAGIC_SYSRQ=y CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1 @@ -4849,7 +4887,7 @@ CONFIG_DEBUG_KERNEL=y # # Memory Debugging # -# CONFIG_PAGE_EXTENSION is not set +CONFIG_PAGE_EXTENSION=y # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_OBJECTS is not set # CONFIG_SLUB_STATS is not set @@ -4907,7 +4945,6 @@ CONFIG_DEBUG_LIST=y # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_TORTURE_TEST is not set # CONFIG_RCU_TORTURE_TEST is not set -# CONFIG_RCU_CPU_STALL_INFO is not set # CONFIG_RCU_TRACE is not set # CONFIG_RCU_EQS_DEBUG is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set @@ -4947,6 +4984,7 @@ CONFIG_FTRACE_MCOUNT_RECORD=y CONFIG_RING_BUFFER_BENCHMARK=m # CONFIG_RING_BUFFER_STARTUP_TEST is not set # CONFIG_TRACE_ENUM_MAP_FILE is not set +CONFIG_TRACING_EVENTS_GPIO=y # # Runtime Testing @@ -4962,6 +5000,7 @@ CONFIG_ASYNC_RAID6_TEST=m # CONFIG_TEST_HEXDUMP is not set # CONFIG_TEST_STRING_HELPERS is not set # CONFIG_TEST_KSTRTOX is not set +# CONFIG_TEST_PRINTF is not set # CONFIG_TEST_RHASHTABLE is not set # CONFIG_BUILD_DOCSRC is not set # CONFIG_DMA_API_DEBUG is not set @@ -4971,6 +5010,7 @@ CONFIG_ASYNC_RAID6_TEST=m # CONFIG_TEST_FIRMWARE is not set # CONFIG_TEST_UDELAY is not set # CONFIG_MEMTEST is not set +# CONFIG_TEST_STATIC_KEYS is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set @@ -5044,6 +5084,7 @@ CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_USER is not set # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set CONFIG_CRYPTO_NULL=y +CONFIG_CRYPTO_NULL2=y CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_WORKQUEUE=y CONFIG_CRYPTO_CRYPTD=y @@ -5068,6 +5109,7 @@ CONFIG_CRYPTO_CTR=y CONFIG_CRYPTO_CTS=m CONFIG_CRYPTO_ECB=y CONFIG_CRYPTO_PCBC=m +CONFIG_CRYPTO_KEYWRAP=m # # Hash modes @@ -5154,6 +5196,12 @@ CONFIG_PUBLIC_KEY_ALGO_RSA=y CONFIG_X509_CERTIFICATE_PARSER=y CONFIG_PKCS7_MESSAGE_PARSER=m # CONFIG_PKCS7_TEST_KEY is not set + +# +# Certificates for signature checking +# +CONFIG_SYSTEM_TRUSTED_KEYRING=y +CONFIG_SYSTEM_TRUSTED_KEYS="" CONFIG_VIRTUALIZATION=y CONFIG_BINARY_PRINTF=y @@ -5168,7 +5216,6 @@ CONFIG_GENERIC_STRNLEN_USER=y CONFIG_GENERIC_NET_UTILS=y CONFIG_GENERIC_PCI_IOMAP=y CONFIG_GENERIC_IO=y -CONFIG_PERCPU_RWSEM=y CONFIG_CRC_CCITT=y CONFIG_CRC16=y CONFIG_CRC_T10DIF=y @@ -5223,7 +5270,6 @@ CONFIG_GLOB=y # CONFIG_GLOB_SELFTEST is not set CONFIG_NLATTR=y CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y -CONFIG_AVERAGE=y CONFIG_CLZ_TAB=y CONFIG_CORDIC=m # CONFIG_DDR is not set @@ -5234,4 +5280,5 @@ CONFIG_FONT_SUPPORT=y # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y +# CONFIG_SG_SPLIT is not set CONFIG_ARCH_HAS_SG_CHAIN=y diff --git a/kernel/config-i686-default b/kernel/config-i686-default index c54e3ee..47d5994 100644 --- a/kernel/config-i686-default +++ b/kernel/config-i686-default @@ -72,8 +72,7 @@ CONFIG_CPU_SUP_CYRIX_32=y CONFIG_CPU_SUP_TRANSMETA_32=y CONFIG_CPU_SUP_UMC_32=y # CONFIG_X86_ANCIENT_MCE is not set -CONFIG_VM86=y -CONFIG_X86_ESPFIX32=y +# CONFIG_X86_LEGACY_VM86 is not set CONFIG_TOSHIBA=m # CONFIG_X86_REBOOTFIXUPS is not set # CONFIG_NOHIGHMEM is not set @@ -94,7 +93,6 @@ CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPARSEMEM_STATIC=y CONFIG_HIGHPTE=y -# CONFIG_MATH_EMULATION is not set CONFIG_PHYSICAL_START=0x400000 CONFIG_RANDOMIZE_BASE_MAX_OFFSET=0x20000000 CONFIG_PHYSICAL_ALIGN=0x400000 @@ -138,7 +136,6 @@ CONFIG_X86_LONGRUN=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y # CONFIG_PCI_PRI is not set -# CONFIG_PCI_PASID is not set # # PCI host controller drivers @@ -326,9 +323,8 @@ CONFIG_LEDS_OT200=m CONFIG_PCH_DMA=m # -# Android +# Microsoft Hyper-V guest support # -# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set CONFIG_TC1100_WMI=m CONFIG_INTEL_IMR=y @@ -369,6 +365,10 @@ CONFIG_CRYPTO_TWOFISH_586=m # Random Number Generation # CONFIG_CRYPTO_DEV_GEODE=m + +# +# Certificates for signature checking +# # CONFIG_LGUEST is not set # diff --git a/kernel/config-i686-legacy b/kernel/config-i686-legacy index b6253f5..bafe9ab 100644 --- a/kernel/config-i686-legacy +++ b/kernel/config-i686-legacy @@ -122,11 +122,6 @@ CONFIG_LEDS_PWM=m # # Microsoft Hyper-V guest support # -# CONFIG_FB_OLPC_DCON is not set - -# -# Android -# CONFIG_XO1_RFKILL=m # CONFIG_XO15_EBOOK is not set @@ -142,6 +137,7 @@ CONFIG_COMMON_CLK_PWM=m CONFIG_PWM=y CONFIG_PWM_SYSFS=y CONFIG_PWM_ATMEL_HLCDC_PWM=m +CONFIG_PWM_CRC=y CONFIG_PWM_FSL_FTM=m CONFIG_PWM_LP3943=m CONFIG_PWM_LPSS=m diff --git a/kernel/config-x86-generic b/kernel/config-x86-generic index c448f57..f9c4463 100644 --- a/kernel/config-x86-generic +++ b/kernel/config-x86-generic @@ -2,7 +2,6 @@ CONFIG_X86=y CONFIG_INSTRUCTION_DECODER=y CONFIG_PERF_EVENTS_INTEL_UNCORE=y CONFIG_GENERIC_ISA_DMA=y -CONFIG_GENERIC_BUG=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_ARCH_HAS_CPU_RELAX=y CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y @@ -13,7 +12,6 @@ CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y CONFIG_ARCH_SUPPORTS_UPROBES=y -CONFIG_FIX_EARLYCON_MEM=y # # General setup @@ -40,8 +38,7 @@ CONFIG_GENERIC_CMOS_UPDATE=y # # RCU Subsystem # -# CONFIG_RCU_NOCB_CPU_NONE is not set -CONFIG_RCU_NOCB_CPU_ALL=y +CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH=y CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_PCSPKR_PLATFORM=y @@ -110,9 +107,9 @@ CONFIG_X86_MCE_AMD=y CONFIG_X86_MCE_THRESHOLD=y # CONFIG_X86_MCE_INJECT is not set CONFIG_X86_THERMAL_VECTOR=y -CONFIG_X86_16BIT=y +# CONFIG_VM86 is not set CONFIG_I8K=m -CONFIG_MICROCODE=m +CONFIG_MICROCODE=y CONFIG_MICROCODE_INTEL=y CONFIG_MICROCODE_AMD=y CONFIG_MICROCODE_OLD_INTERFACE=y @@ -136,6 +133,7 @@ CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set CONFIG_GENERIC_EARLY_IOREMAP=y CONFIG_ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT=y +CONFIG_X86_PMEM_LEGACY_DEVICE=y CONFIG_X86_PMEM_LEGACY=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y @@ -156,7 +154,6 @@ CONFIG_EFI_STUB=y CONFIG_HZ_300=y # CONFIG_HZ_1000 is not set CONFIG_HZ=300 -CONFIG_SCHED_HRTICK=y # CONFIG_KEXEC is not set CONFIG_CRASH_DUMP=y CONFIG_RELOCATABLE=y @@ -166,6 +163,7 @@ CONFIG_X86_NEED_RELOCS=y # CONFIG_DEBUG_HOTPLUG_CPU0 is not set # CONFIG_COMPAT_VDSO is not set # CONFIG_CMDLINE_BOOL is not set +# CONFIG_MODIFY_LDT_SYSCALL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y # @@ -176,6 +174,7 @@ CONFIG_ACPI=y CONFIG_ACPI_LEGACY_TABLES_LOOKUP=y CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT=y +# CONFIG_ACPI_DEBUGGER is not set CONFIG_ACPI_SLEEP=y # CONFIG_ACPI_PROCFS_POWER is not set CONFIG_ACPI_REV_OVERRIDE_POSSIBLE=y @@ -186,6 +185,8 @@ CONFIG_ACPI_BUTTON=y CONFIG_ACPI_VIDEO=m CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y +CONFIG_ACPI_CPU_FREQ_PSS=y +CONFIG_ACPI_PROCESSOR_IDLE=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_IPMI=m CONFIG_ACPI_HOTPLUG_CPU=y @@ -261,6 +262,7 @@ CONFIG_PCI_STUB=y CONFIG_HT_IRQ=y CONFIG_PCI_ATS=y CONFIG_PCI_IOV=y +CONFIG_PCI_PASID=y CONFIG_PCI_LABEL=y # @@ -340,11 +342,11 @@ CONFIG_BLK_CPQ_CISS_DA=m # CONFIG_CISS_SCSI_TAPE is not set CONFIG_BLK_DEV_DAC960=m CONFIG_BLK_DEV_UMEM=m -CONFIG_BLK_DEV_NVME=m CONFIG_BLK_DEV_SX8=m CONFIG_BLK_DEV_RAM_SIZE=16384 # CONFIG_BLK_DEV_HD is not set CONFIG_BLK_DEV_RSXX=m +CONFIG_BLK_DEV_NVME=m # # Misc devices @@ -363,7 +365,7 @@ CONFIG_INTEL_MEI_TXE=m CONFIG_VMWARE_VMCI=m # -# SCIF Driver +# Intel MIC Coprocessor State Management (COSM) Drivers # # CONFIG_IDE is not set @@ -430,20 +432,13 @@ CONFIG_ATM_HE=m CONFIG_ATM_SOLOS=m # -# CAIF transport drivers -# -CONFIG_VHOST_NET=m -CONFIG_VHOST_RING=m -CONFIG_VHOST=m -# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set - -# # Distributed Switch Architecture drivers # CONFIG_VORTEX=m CONFIG_AMD8111_ETH=m CONFIG_MACB=m CONFIG_BNX2X_SRIOV=y +CONFIG_BNXT_SRIOV=y CONFIG_CHELSIO_T1_1G=y CONFIG_CX_ECAT=m CONFIG_DE2104X=m @@ -453,15 +448,12 @@ CONFIG_TULIP_NAPI=y CONFIG_TULIP_NAPI_HW_MITIGATION=y CONFIG_DE4X5=m CONFIG_PCMCIA_XIRCOM=m -CONFIG_IGB_DCA=y -CONFIG_IXGBE_DCA=y CONFIG_IXGBEVF=m CONFIG_I40E_VXLAN=y CONFIG_I40EVF=m CONFIG_FM10K=m CONFIG_FM10K_VXLAN=y CONFIG_SKGE_GENESIS=y -CONFIG_MYRI10GE_DCA=y CONFIG_QLCNIC_SRIOV=y CONFIG_QLCNIC_VXLAN=y CONFIG_ATP=m @@ -485,6 +477,11 @@ CONFIG_IPW2200_PROMISCUOUS=y CONFIG_IPW2200_QOS=y # +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_FUJITSU_ES is not set + +# # HiSax supported cards # # CONFIG_HISAX_NETJET is not set @@ -535,6 +532,7 @@ CONFIG_NOZOMI=m # Serial drivers # CONFIG_SERIAL_8250_PNP=y +# CONFIG_SERIAL_8250_FSL is not set CONFIG_SERIAL_8250_FINTEK=m # @@ -628,22 +626,30 @@ CONFIG_PINCTRL_PALMAS=y # CONFIG_PINCTRL_BAYTRAIL is not set CONFIG_PINCTRL_CHERRYVIEW=m CONFIG_PINCTRL_INTEL=m +CONFIG_PINCTRL_BROXTON=m CONFIG_PINCTRL_SUNRISEPOINT=m CONFIG_GPIO_ACPI=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_AMDPT=m CONFIG_GPIO_DWAPB=m -# CONFIG_GPIO_F7188X is not set CONFIG_GPIO_GRGPIO=m CONFIG_GPIO_ICH=m -# CONFIG_GPIO_IT8761E is not set # CONFIG_GPIO_LYNXPOINT is not set -CONFIG_GPIO_SCH=m CONFIG_GPIO_XILINX=m # +# Port-mapped I/O GPIO drivers +# +CONFIG_GPIO_104_IDIO_16=m +# CONFIG_GPIO_F7188X is not set +CONFIG_GPIO_IT87=m +CONFIG_GPIO_SCH=m +# CONFIG_GPIO_SCH311X is not set + +# # PCI GPIO expanders # # CONFIG_GPIO_INTEL_MID is not set @@ -694,6 +700,7 @@ CONFIG_INTEL_SOC_DTS_IOSF_CORE=m CONFIG_INTEL_SOC_DTS_THERMAL=m CONFIG_INT340X_THERMAL=m CONFIG_ACPI_THERMAL_REL=m +CONFIG_INTEL_PCH_THERMAL=m # # Watchdog Device Drivers @@ -739,8 +746,12 @@ CONFIG_WDTPCI=m # Multifunction device drivers # CONFIG_MFD_ATMEL_HLCDC=m +# CONFIG_MFD_CROS_EC is not set CONFIG_MFD_INTEL_QUARK_I2C_GPIO=m CONFIG_LPC_ICH=m +CONFIG_MFD_INTEL_LPSS=m +CONFIG_MFD_INTEL_LPSS_ACPI=m +CONFIG_MFD_INTEL_LPSS_PCI=m CONFIG_MFD_RTSX_PCI=m # CONFIG_ABX500_CORE is not set @@ -784,10 +795,6 @@ CONFIG_DVB_TTUSB_DEC=m # Media capture support # CONFIG_VIDEO_MEYE=m - -# -# Media capture/analog TV support -# # CONFIG_VIDEO_ZORAN is not set # @@ -918,10 +925,10 @@ CONFIG_VGA_SWITCHEROO=y CONFIG_DRM_I2C_NXP_TDA998X=m CONFIG_DRM_I810=m CONFIG_DRM_I915=m -CONFIG_DRM_I915_KMS=y -CONFIG_DRM_I915_FBDEV=y # CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT is not set CONFIG_DRM_SIS=m +CONFIG_DRM_VMWGFX=m +# CONFIG_DRM_VMWGFX_FBCON is not set CONFIG_DRM_GMA500=m CONFIG_DRM_GMA600=y CONFIG_DRM_GMA3600=y @@ -970,7 +977,7 @@ CONFIG_SND_USB_US122L=m # CONFIG_SND_SOC is not set # -# Platform Glue Layer +# MUSB DMA mode # CONFIG_MUSB_PIO_ONLY=y @@ -1009,7 +1016,6 @@ CONFIG_EDAC=y # CONFIG_EDAC_LEGACY_SYSFS is not set # CONFIG_EDAC_DEBUG is not set CONFIG_EDAC_DECODE_MCE=m -CONFIG_EDAC_MCE_INJ=m CONFIG_EDAC_MM_EDAC=m CONFIG_EDAC_AMD64=m # CONFIG_EDAC_AMD64_ERROR_INJECTION is not set @@ -1033,32 +1039,24 @@ CONFIG_RTC_DRV_CMOS=y # # DMA Devices # -CONFIG_INTEL_IOATDMA=m +CONFIG_DMA_ACPI=y CONFIG_DW_DMAC_CORE=m CONFIG_DW_DMAC=m CONFIG_DW_DMAC_PCI=m -CONFIG_DMA_ACPI=y # # DMA Clients # -CONFIG_DMA_ENGINE_RAID=y -CONFIG_DCA=m CONFIG_UIO_AEC=m CONFIG_UIO_SERCOS3=m CONFIG_UIO_PCI_GENERIC=m CONFIG_UIO_MF624=m +CONFIG_IRQ_BYPASS_MANAGER=m # # Microsoft Hyper-V guest support # # CONFIG_HYPERV is not set -# CONFIG_SLICOSS is not set -# CONFIG_PANEL is not set - -# -# Android -# CONFIG_X86_PLATFORM_DEVICES=y CONFIG_ACER_WMI=m CONFIG_ACERHDF=m @@ -1101,6 +1099,7 @@ CONFIG_TOPSTAR_LAPTOP=m CONFIG_ACPI_TOSHIBA=m CONFIG_TOSHIBA_BT_RFKILL=m CONFIG_TOSHIBA_HAPS=m +CONFIG_TOSHIBA_WMI=m CONFIG_ACPI_CMPC=m CONFIG_INTEL_IPS=m # CONFIG_IBM_RTL is not set @@ -1113,6 +1112,7 @@ CONFIG_SAMSUNG_Q10=m CONFIG_INTEL_SMARTCONNECT=m CONFIG_PVPANIC=m CONFIG_INTEL_PMC_IPC=m +# CONFIG_SURFACE_PRO3_BUTTON is not set CONFIG_CHROME_PLATFORMS=y CONFIG_CHROMEOS_LAPTOP=m # CONFIG_CHROMEOS_PSTORE is not set @@ -1138,6 +1138,7 @@ CONFIG_PCC=y CONFIG_IOMMU_IOVA=y CONFIG_DMAR_TABLE=y CONFIG_INTEL_IOMMU=y +CONFIG_INTEL_IOMMU_SVM=y # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set CONFIG_INTEL_IOMMU_FLOPPY_WA=y @@ -1170,11 +1171,17 @@ CONFIG_TWL6030_GPADC=m # CONFIG_PHY_EXYNOS5250_USB2 is not set # +# Performance monitor support +# +# CONFIG_AMD_MCE_INJ is not set + +# # Android # CONFIG_LIBNVDIMM=y CONFIG_BLK_DEV_PMEM=m CONFIG_ND_BLK=m +CONFIG_ND_CLAIM=y CONFIG_ND_BTT=m CONFIG_BTT=y @@ -1200,6 +1207,7 @@ CONFIG_EFI_VARS=y CONFIG_EFI_ESRT=y CONFIG_EFI_VARS_PSTORE=y # CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set +# CONFIG_EFI_FAKE_MEMMAP is not set CONFIG_EFI_RUNTIME_WRAPPERS=y CONFIG_UEFI_CPER=y @@ -1257,8 +1265,11 @@ CONFIG_DYNAMIC_FTRACE_WITH_REGS=y CONFIG_EARLY_PRINTK=y # CONFIG_EARLY_PRINTK_DBGP is not set CONFIG_EARLY_PRINTK_EFI=y +CONFIG_X86_PTDUMP_CORE=y # CONFIG_X86_PTDUMP is not set +# CONFIG_EFI_PGT_DUMP is not set CONFIG_DEBUG_RODATA_TEST=y +CONFIG_DEBUG_WX=y CONFIG_DEBUG_NX_TEST=m CONFIG_DOUBLEFAULT=y # CONFIG_DEBUG_TLBFLUSH is not set @@ -1320,6 +1331,11 @@ CONFIG_CRYPTO_DEV_CCP_DD=m CONFIG_CRYPTO_DEV_CCP_CRYPTO=m CONFIG_CRYPTO_DEV_QAT=m CONFIG_CRYPTO_DEV_QAT_DH895xCC=m +CONFIG_CRYPTO_DEV_QAT_DH895xCCVF=m + +# +# Certificates for signature checking +# CONFIG_KVM_APIC_ARCHITECTURE=y CONFIG_KVM_MMIO=y CONFIG_KVM_ASYNC_PF=y @@ -1340,4 +1356,4 @@ CONFIG_ARCH_HAS_FAST_MULTIPLIER=y # CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set CONFIG_HAS_IOPORT_MAP=y CONFIG_UCS2_STRING=y -CONFIG_ARCH_HAS_PMEM_API=y +CONFIG_ARCH_HAS_MMIO_FLUSH=y diff --git a/kernel/config-x86_64-default b/kernel/config-x86_64-default index 0b938ac..4dc0eb8 100644 --- a/kernel/config-x86_64-default +++ b/kernel/config-x86_64-default @@ -27,8 +27,11 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y # RCU Subsystem # CONFIG_CONTEXT_TRACKING=y -CONFIG_RCU_USER_QS=y CONFIG_CONTEXT_TRACKING_FORCE=y +CONFIG_RCU_NOCB_CPU=y +# CONFIG_RCU_NOCB_CPU_NONE is not set +# CONFIG_RCU_NOCB_CPU_ZERO is not set +CONFIG_RCU_NOCB_CPU_ALL=y CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y CONFIG_ARCH_SUPPORTS_INT128=y # CONFIG_NUMA_BALANCING is not set @@ -59,10 +62,7 @@ CONFIG_GENERIC_CPU=y CONFIG_X86_MINIMUM_CPU_FAMILY=64 CONFIG_GART_IOMMU=y # CONFIG_CALGARY_IOMMU is not set -CONFIG_SWIOTLB=y -CONFIG_IOMMU_HELPER=y # CONFIG_MAXSMP is not set -CONFIG_X86_ESPFIX64=y CONFIG_X86_VSYSCALL_EMULATION=y CONFIG_X86_DIRECT_GBPAGES=y CONFIG_NUMA=y @@ -83,9 +83,13 @@ CONFIG_SPARSEMEM_VMEMMAP=y # CONFIG_MOVABLE_NODE is not set # CONFIG_MEMORY_HOTPLUG is not set # CONFIG_EFI_MIXED is not set +# CONFIG_KEXEC_FILE is not set CONFIG_PHYSICAL_START=0x1000000 CONFIG_RANDOMIZE_BASE_MAX_OFFSET=0x40000000 CONFIG_PHYSICAL_ALIGN=0x1000000 +# CONFIG_LEGACY_VSYSCALL_NATIVE is not set +# CONFIG_LEGACY_VSYSCALL_EMULATE is not set +CONFIG_LEGACY_VSYSCALL_NONE=y # CONFIG_LIVEPATCH is not set CONFIG_USE_PERCPU_NUMA_NODE_ID=y @@ -104,7 +108,6 @@ CONFIG_I7300_IDLE=m # Bus options (PCI etc.) # CONFIG_PCI_PRI=y -CONFIG_PCI_PASID=y # # PC-card bridges @@ -152,7 +155,7 @@ CONFIG_INTEL_MIC_BUS=m # CONFIG_SCIF_BUS is not set # -# SCIF Driver +# Intel MIC Coprocessor State Management (COSM) Drivers # # CONFIG_GENWQE is not set @@ -168,6 +171,14 @@ CONFIG_THUNDER_NIC_PF=m CONFIG_THUNDER_NIC_VF=m CONFIG_THUNDER_NIC_BGX=m CONFIG_LIQUIDIO=m +CONFIG_IGB_DCA=y +CONFIG_IXGBE_DCA=y +CONFIG_MYRI10GE_DCA=y + +# +# MII PHY device drivers +# +CONFIG_MDIO_OCTEON=m # # Input Device Drivers @@ -199,7 +210,7 @@ CONFIG_POWER_RESET_AS3722=y # CONFIG_VIDEO_CAFE_CCIC is not set # -# Display Panels +# Display Interface Bridges # CONFIG_HSA_AMD=m @@ -211,14 +222,14 @@ CONFIG_EDAC_SBRIDGE=m # # DMA Devices # +CONFIG_INTEL_IOATDMA=m CONFIG_INTEL_MIC_X100_DMA=m # -# Android +# DMA Clients # -CONFIG_CRYPTO_SKEIN=y -# CONFIG_UNISYSSPAR is not set -CONFIG_COMMON_CLK_XLNX_CLKWZRD=m +CONFIG_DMA_ENGINE_RAID=y +CONFIG_DCA=m # # Generic IOMMU Pagetable Support @@ -252,6 +263,7 @@ CONFIG_CRYPTO_GLUE_HELPER_X86=y # Digest # CONFIG_CRYPTO_CRCT10DIF_PCLMUL=m +CONFIG_CRYPTO_POLY1305_X86_64=m CONFIG_CRYPTO_SHA1_SSSE3=m CONFIG_CRYPTO_SHA256_SSSE3=m CONFIG_CRYPTO_SHA512_SSSE3=m @@ -270,6 +282,7 @@ CONFIG_CRYPTO_CAST5_AVX_X86_64=m CONFIG_CRYPTO_CAST6_AVX_X86_64=m CONFIG_CRYPTO_DES3_EDE_X86_64=m CONFIG_CRYPTO_SALSA20_X86_64=m +CONFIG_CRYPTO_CHACHA20_X86_64=m CONFIG_CRYPTO_SERPENT_SSE2_X86_64=m CONFIG_CRYPTO_SERPENT_AVX_X86_64=m CONFIG_CRYPTO_SERPENT_AVX2_X86_64=m @@ -278,7 +291,7 @@ CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=m CONFIG_CRYPTO_TWOFISH_AVX_X86_64=m # -# Random Number Generation +# Certificates for signature checking # CONFIG_KVM_COMPAT=y @@ -286,3 +299,4 @@ CONFIG_KVM_COMPAT=y # Library routines # CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y +CONFIG_ARCH_HAS_PMEM_API=y diff --git a/kernel/kernel.nm b/kernel/kernel.nm index 22fecdc..1514f50 100644 --- a/kernel/kernel.nm +++ b/kernel/kernel.nm @@ -4,7 +4,7 @@ ############################################################################### name = kernel -version = 4.2.7 +version = 4.4.10 release = 1 thisapp = linux-%{version} @@ -35,7 +35,7 @@ build asciidoc audit-devel bc - binutils >= 2.23.51.0.3-3 + binutils >= 2.25 binutils-devel bison elfutils-devel @@ -43,6 +43,7 @@ build gcc >= 4.9 gcc-plugin-devel gettext + hostname libunwind-devel ncurses-devel net-tools @@ -50,6 +51,7 @@ build pciutils-devel perl python-devel + openssl-devel slang-devel xmlto xz hooks/post-receive -- IPFire 3.x development tree

1 0

[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 3fffbe09e29089b7d849f0cd27ea902f2b864183
by git＠ipfire.org 19 May '16

19 May '16

1 0

[git.ipfire.org] IPFire 3.x development tree branch, master, updated. 49a18b40d4916665b33d00e3737dbf0fe9db4a90
by git＠ipfire.org 18 May '16

18 May '16

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "IPFire 3.x development tree". The branch, master has been updated via 49a18b40d4916665b33d00e3737dbf0fe9db4a90 (commit) via ea5329d682a0ad5fd651fef449270a03f2e00eaa (commit) via b97bcea7f89e5a53b79f36c0c997334ad15f8959 (commit) via 83da40908abe5bef97e6aef2ad2a5f0aa42b6ea1 (commit) via 364d56555f4aef7193e7ae7af638bb0e10685fd5 (commit) via 289c54d99c9ffab0feff7383789a73d255e8f356 (commit) via dc4bd821afe1823464e03576328daee5d81de855 (commit) via 34520606fd7b689bdf33ed47212566bbb422c5b1 (commit) from 7473defb95e13e254d3e4cd481f33ce5b03ee6ad (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 49a18b40d4916665b33d00e3737dbf0fe9db4a90 Author: Alexander Marx <alexander.marx(a)ipfire.org> Date: Wed May 18 10:28:30 2016 +0200 texinfo: Update to 6.1 This is an update-release fixes: #11083 Signed-off-by: Alexander Marx <alexander.marx(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit ea5329d682a0ad5fd651fef449270a03f2e00eaa Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 18 22:28:11 2016 +0100 binutils: Update to 2.26 Fixes: #11120 Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit b97bcea7f89e5a53b79f36c0c997334ad15f8959 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 18 21:39:28 2016 +0100 elfutils: Update to 0.166 Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 83da40908abe5bef97e6aef2ad2a5f0aa42b6ea1 Author: Alexander Marx <alexander.marx(a)ipfire.org> Date: Tue May 17 14:10:53 2016 +0200 gzip: Update to 1.8 gzip -l no longer falsely reports a write error when writing to a pipe. [bug introduced in gzip-1.7] When configuring gzip, ./configure DEFS='...-DNO_ASM...' now suppresses assembler again. [bug introduced in gzip-1.3.5] Fixes: #11111 Signed-off-by: Alexander Marx <alexander.marx(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 364d56555f4aef7193e7ae7af638bb0e10685fd5 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 18 00:59:45 2016 +0100 kernel: Update to version 4.2 General cleanup of configuration and synchronisation between configuration of the different kernels. Touched were mainly Open Firmware support and GPIO. Fixes: #10939 Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 289c54d99c9ffab0feff7383789a73d255e8f356 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Tue May 17 22:31:58 2016 +0100 kernel: Remove grsecurity patchset It is currently very hard to maintain the kernel with the grsecurity patchset since there is no stable version publicly available and we have to fight all bugs ourselves. To be able to put our small resource towards other development tasks we decided to drop this patchset for now and will eventually reconsider adding it again. This will allow us to update the kernel quicker and grsecurity is not too relevant in the current development status of the distribution. Signed-off-by: Arne Fitzenreiter <arne.fitzenreiter(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org> commit dc4bd821afe1823464e03576328daee5d81de855 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 11 23:12:09 2016 +0100 kernel: Remove ARM LPAE image This image was never well tested and there is only little hardware out there. Acknowledged-by: Arne Fitzenreiter <arne.fitzenreiter(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> commit 34520606fd7b689bdf33ed47212566bbb422c5b1 Author: Michael Tremer <michael.tremer(a)ipfire.org> Date: Wed May 11 23:05:52 2016 +0100 kernel: Remove armv5tel kernel build We are going to drop this architecture and it is currently unknown if the kernel that is compiled here actually works. We have only little hardware to test with and nobody out there is using this any more. Acknowledged-by: Arne Fitzenreiter <arne.fitzenreiter(a)ipfire.org> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org> ----------------------------------------------------------------------- Summary of changes: binutils/binutils.nm | 7 +- .../binutils-2.20.51.0.10-copy-osabi.patch0 | 19 - .../binutils-2.20.51.0.10-sec-merge-emit.patch0 | 24 - .../binutils-2.20.51.0.2-libtool-lib64.patch | 236 + .../binutils-2.20.51.0.2-set-long-long.patch0 | 60 - .../patches/binutils-2.20.51.0.2-version.patch0 | 61 - .../binutils-2.22.52.0.1-export-demangle.h.patch0 | 57 - .../binutils-2.22.52.0.1-relro-on-by-default.patch | 58 + .../binutils-2.22.52.0.1-warn-textrel.patch | 51 - .../binutils-2.22.52.0.2-flexible-tests.patch | 25 - .../binutils-2.22.52.0.4-no-config-h-check.patch0 | 32 - binutils/patches/binutils-2.23.2-aarch64-em.patch0 | 47 - .../patches/binutils-2.23.2-kernel-ld-r.patch0 | 2734 - .../binutils-2.23.52.0.1-addr2line-dynsymtab.patch | 38 + ...binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 | 122 - .../binutils-2.23.52.0.1-hardened-crtbegin.patch | 39 - .../patches/binutils-2.24-DW_FORM_ref_addr.patch0 | 44 - ...tils-2.24-aarch64-fix-final_link_relocate.patch | 54 - ...tils-2.24-aarch64-fix-gotplt-offset-ifunc.patch | 103 - .../binutils-2.24-aarch64-fix-ie-relax.patch | 40 - .../binutils-2.24-aarch64-fix-static-ifunc.patch | 118 - ...tils-2.24-aarch64-ld-shared-non-PIC-xfail.patch | 55 - .../patches/binutils-2.24-arm-static-tls.patch | 42 - .../patches/binutils-2.24-elfnn-aarch64.patch0 | 21 - .../binutils-2.24-fake-zlib-sections.patch0 | 30 - .../patches/binutils-2.24-fat-lto-objects.patch | 57 - .../patches/binutils-2.24-indirect-chain.patch0 | 28 - binutils/patches/binutils-2.24-ldforcele.patch0 | 58 - .../binutils-2.24-pt-pax-flags-20131231.patch | 1030 - .../binutils-2.24-set-section-macros.patch0 | 103 - .../patches/binutils-2.24-symbol-warning.patch | 114 - .../patches/binutils-2.24-weak-sym-merge.patch0 | 22 - .../binutils-2.26-fix-GOT-offset-calculation.patch | 17 + binutils/patches/binutils-2.26-lto.patch | 2555 + .../binutils-2.26-x86-PIE-relocations.patch | 46 + .../binutils-HEAD-change-ld-notice-interface.patch | 398 - binutils/patches/binutils-default-test-flags.patch | 35 - binutils/patches/binutils-rh1312151.patch | 22 + binutils/patches/binutils-use-new-ld-dtags.patch | 24 - .../binutils-2.20.51.0.2-libtool-lib64.patch0 | 302 - elfutils/elfutils.nm | 16 +- .../patches/elfutils-0.166-elfcmp-comp-gcc6.patch | 50 + elfutils/patches/elfutils-portability-0.161.patch | 1871 - gzip/gzip.nm | 2 +- kernel/config-arm-generic | 211 +- kernel/config-arm32-generic | 1035 +- kernel/config-arm64-generic | 227 +- kernel/config-armv5tel-default | 424 - kernel/config-armv7hl-default | 1271 - kernel/config-armv7hl-lpae | 107 - kernel/config-generic | 421 +- kernel/config-i686-default | 60 +- kernel/config-i686-legacy | 193 +- kernel/config-x86-generic | 225 +- kernel/config-x86_64-default | 58 +- kernel/kernel.nm | 46 +- .../grsecurity-3.1-4.1.7-201509131604.patch | 165538 ------------------ kernel/scripts/configure | 21 +- texinfo/texinfo.nm | 2 +- 59 files changed, 4546 insertions(+), 176160 deletions(-) delete mode 100644 binutils/patches/binutils-2.20.51.0.10-copy-osabi.patch0 delete mode 100644 binutils/patches/binutils-2.20.51.0.10-sec-merge-emit.patch0 create mode 100644 binutils/patches/binutils-2.20.51.0.2-libtool-lib64.patch delete mode 100644 binutils/patches/binutils-2.20.51.0.2-set-long-long.patch0 delete mode 100644 binutils/patches/binutils-2.20.51.0.2-version.patch0 delete mode 100644 binutils/patches/binutils-2.22.52.0.1-export-demangle.h.patch0 create mode 100644 binutils/patches/binutils-2.22.52.0.1-relro-on-by-default.patch delete mode 100644 binutils/patches/binutils-2.22.52.0.1-warn-textrel.patch delete mode 100644 binutils/patches/binutils-2.22.52.0.2-flexible-tests.patch delete mode 100644 binutils/patches/binutils-2.22.52.0.4-no-config-h-check.patch0 delete mode 100644 binutils/patches/binutils-2.23.2-aarch64-em.patch0 delete mode 100644 binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 create mode 100644 binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch delete mode 100644 binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 delete mode 100644 binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch delete mode 100644 binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 delete mode 100644 binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch delete mode 100644 binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch delete mode 100644 binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch delete mode 100644 binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch delete mode 100644 binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch delete mode 100644 binutils/patches/binutils-2.24-arm-static-tls.patch delete mode 100644 binutils/patches/binutils-2.24-elfnn-aarch64.patch0 delete mode 100644 binutils/patches/binutils-2.24-fake-zlib-sections.patch0 delete mode 100644 binutils/patches/binutils-2.24-fat-lto-objects.patch delete mode 100644 binutils/patches/binutils-2.24-indirect-chain.patch0 delete mode 100644 binutils/patches/binutils-2.24-ldforcele.patch0 delete mode 100644 binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch delete mode 100644 binutils/patches/binutils-2.24-set-section-macros.patch0 delete mode 100644 binutils/patches/binutils-2.24-symbol-warning.patch delete mode 100644 binutils/patches/binutils-2.24-weak-sym-merge.patch0 create mode 100644 binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch create mode 100644 binutils/patches/binutils-2.26-lto.patch create mode 100644 binutils/patches/binutils-2.26-x86-PIE-relocations.patch delete mode 100644 binutils/patches/binutils-HEAD-change-ld-notice-interface.patch delete mode 100644 binutils/patches/binutils-default-test-flags.patch create mode 100644 binutils/patches/binutils-rh1312151.patch delete mode 100644 binutils/patches/binutils-use-new-ld-dtags.patch delete mode 100644 binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 create mode 100644 elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch delete mode 100644 elfutils/patches/elfutils-portability-0.161.patch delete mode 100644 kernel/config-armv5tel-default delete mode 100644 kernel/config-armv7hl-default delete mode 100644 kernel/config-armv7hl-lpae delete mode 100644 kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch Difference in files: diff --git a/binutils/binutils.nm b/binutils/binutils.nm index 451e434..e450d79 100644 --- a/binutils/binutils.nm +++ b/binutils/binutils.nm @@ -4,7 +4,7 @@ ############################################################################### name = binutils -version = 2.24 +version = 2.26 release = 1 maintainer = Michael Tremer <michael.tremer(a)ipfire.org> @@ -18,10 +18,7 @@ description tools for the manipulation of object code in various object file formats. end -source_dl - http://ftp.gnu.org/gnu/binutils/ - ftp://ftp.kernel.org/pub/linux/devel/binutils -end +source_dl = http://ftp.gnu.org/gnu/binutils/ build requires diff --git a/binutils/patches/binutils-2.20.51.0.10-copy-osabi.patch0 b/binutils/patches/binutils-2.20.51.0.10-copy-osabi.patch0 deleted file mode 100644 index 86cb447..0000000 --- a/binutils/patches/binutils-2.20.51.0.10-copy-osabi.patch0 +++ /dev/null @@ -1,19 +0,0 @@ -*** ../binutils-2.20.51.0.10.original/bfd/elf.c 2010-08-10 15:04:55.000000000 +0100 ---- bfd/elf.c 2010-08-10 15:05:42.000000000 +0100 -*************** _bfd_elf_copy_private_bfd_data (bfd *ibf -*** 1074,1079 **** ---- 1074,1087 ---- - - /* Copy object attributes. */ - _bfd_elf_copy_obj_attributes (ibfd, obfd); -+ -+ /* If the input BFD has the OSABI field set and the -+ output BFD does not, then copy the value. */ -+ if (elf_elfheader (ibfd)->e_ident [EI_OSABI] != ELFOSABI_NONE -+ && elf_elfheader (obfd)->e_ident [EI_OSABI] == ELFOSABI_NONE) -+ elf_elfheader (obfd)->e_ident [EI_OSABI] = -+ elf_elfheader (ibfd)->e_ident [EI_OSABI]; -+ - return TRUE; - } - diff --git a/binutils/patches/binutils-2.20.51.0.10-sec-merge-emit.patch0 b/binutils/patches/binutils-2.20.51.0.10-sec-merge-emit.patch0 deleted file mode 100644 index 388e143..0000000 --- a/binutils/patches/binutils-2.20.51.0.10-sec-merge-emit.patch0 +++ /dev/null @@ -1,24 +0,0 @@ -*** ../binutils-2.20.51.0.10.orig/bfd/merge.c 2010-08-20 12:19:33.000000000 +0100 ---- bfd/merge.c 2010-08-20 12:18:01.000000000 +0100 -*************** sec_merge_emit (bfd *abfd, struct sec_me -*** 307,312 **** ---- 307,315 ---- - len = -off & (entry->alignment - 1); - if (len != 0) - { -+ /* We should never have an entry with an alignment -+ greater than the section's alignment. */ -+ BFD_ASSERT (len <= (bfd_size_type) (1 << alignment_power)); - if (bfd_bwrite (pad, len, abfd) != len) - goto err; - off += len; -*************** sec_merge_emit (bfd *abfd, struct sec_me -*** 324,329 **** ---- 327,333 ---- - /* Trailing alignment needed? */ - off = sec->size - off; - if (off != 0 -+ && alignment_power - && bfd_bwrite (pad, off, abfd) != off) - goto err; - diff --git a/binutils/patches/binutils-2.20.51.0.2-libtool-lib64.patch b/binutils/patches/binutils-2.20.51.0.2-libtool-lib64.patch new file mode 100644 index 0000000..142fc7e --- /dev/null +++ b/binutils/patches/binutils-2.20.51.0.2-libtool-lib64.patch @@ -0,0 +1,236 @@ +diff -rcp ../binutils-2.20.51.0.7.original/bfd/configure ./bfd/configure +--- a/bfd/configure 2010-04-08 14:53:48.000000000 +0100 ++++ b/bfd/configure 2010-04-08 14:56:50.000000000 +0100 +@@ -10762,10 +10762,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on +diff -rcp ../binutils-2.20.51.0.7.original/binutils/configure ./binutils/configure +--- a/binutils/configure 2010-04-08 14:53:45.000000000 +0100 ++++ b/binutils/configure 2010-04-08 14:56:21.000000000 +0100 +@@ -10560,10 +10560,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on +diff -rcp ../binutils-2.20.51.0.7.original/gas/configure ./gas/configure +--- a/gas/configure 2010-04-08 14:53:47.000000000 +0100 ++++ b/gas/configure 2010-04-08 14:57:24.000000000 +0100 +@@ -10547,10 +10547,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on +diff -rcp ../binutils-2.20.51.0.7.original/gprof/configure ./gprof/configure +--- a/gprof/configure 2010-04-08 14:53:45.000000000 +0100 ++++ b/gprof/configure 2010-04-08 14:57:50.000000000 +0100 +@@ -10485,10 +10485,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on +diff -rcp ../binutils-2.20.51.0.7.original/ld/configure ./ld/configure +--- a/ld/configure 2010-04-08 14:53:44.000000000 +0100 ++++ b/ld/configure 2010-04-08 14:58:21.000000000 +0100 +@@ -10966,10 +10966,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on +Only in .: .#libtool.m4 +Only in .: #libtool.m4# +diff -rcp ../binutils-2.20.51.0.7.original/opcodes/configure ./opcodes/configure +--- a/opcodes/configure 2010-04-08 14:53:45.000000000 +0100 ++++ b/opcodes/configure 2010-04-08 14:59:10.000000000 +0100 +@@ -10496,10 +10496,34 @@ + # before this can be enabled. + hardcode_into_libs=yes + ++ # find out which ABI we are using ++ libsuff= ++ case "$host_cpu" in ++ x86_64*|s390*|powerpc*|ppc*|sparc*) ++ echo 'int i;' > conftest.$ac_ext ++ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ++ (eval $ac_compile) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; then ++ case `/usr/bin/file conftest.$ac_objext` in ++ *64-bit*) ++ libsuff=64 ++ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then ++ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" ++ fi ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" ++ ;; ++ esac ++ fi ++ rm -rf conftest* ++ ;; ++ esac ++ + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` +- sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" ++ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on diff --git a/binutils/patches/binutils-2.20.51.0.2-set-long-long.patch0 b/binutils/patches/binutils-2.20.51.0.2-set-long-long.patch0 deleted file mode 100644 index 667a3cc..0000000 --- a/binutils/patches/binutils-2.20.51.0.2-set-long-long.patch0 +++ /dev/null @@ -1,60 +0,0 @@ -diff -rcp ../binutils-2.20.51.0.7.original/bfd/configure ./bfd/configure -*** ../binutils-2.20.51.0.7.original/bfd/configure 2010-04-08 15:23:58.000000000 +0100 ---- ./bfd/configure 2010-04-08 15:24:06.000000000 +0100 -*************** if test "x${ac_cv_sizeof_long}" = "x8"; -*** 12819,12829 **** - BFD_HOST_64BIT_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long" -! elif test "x${ac_cv_sizeof_long_long}" = "x8"; then - BFD_HOST_64BIT_LONG_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long long" -! if test "x${ac_cv_sizeof_void_p}" = "x8"; then - BFD_HOSTPTR_T="unsigned long long" - fi - fi ---- 12819,12831 ---- - BFD_HOST_64BIT_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long" -! fi -! if test "x${ac_cv_sizeof_long_long}" = "x8"; then - BFD_HOST_64BIT_LONG_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long long" -! if test "x${ac_cv_sizeof_void_p}" = "x8" \ -! -a "x${ac_cv_sizeof_long}" != "x8"; then - BFD_HOSTPTR_T="unsigned long long" - fi - fi -diff -rcp ../binutils-2.20.51.0.7.original/bfd/configure.in ./bfd/configure.in -*** ../binutils-2.20.51.0.7.original/bfd/configure.in 2010-04-08 15:23:58.000000000 +0100 ---- ./bfd/configure.in 2010-04-08 15:24:06.000000000 +0100 -*************** if test "x${ac_cv_sizeof_long}" = "x8"; -*** 153,163 **** - BFD_HOST_64BIT_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long" -! elif test "x${ac_cv_sizeof_long_long}" = "x8"; then - BFD_HOST_64BIT_LONG_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long long" -! if test "x${ac_cv_sizeof_void_p}" = "x8"; then - BFD_HOSTPTR_T="unsigned long long" - fi - fi ---- 153,165 ---- - BFD_HOST_64BIT_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long" -! fi -! if test "x${ac_cv_sizeof_long_long}" = "x8"; then - BFD_HOST_64BIT_LONG_LONG=1 - test -n "${HOST_64BIT_TYPE}" || HOST_64BIT_TYPE="long long" - test -n "${HOST_U_64BIT_TYPE}" || HOST_U_64BIT_TYPE="unsigned long long" -! if test "x${ac_cv_sizeof_void_p}" = "x8" \ -! -a "x${ac_cv_sizeof_long}" != "x8"; then - BFD_HOSTPTR_T="unsigned long long" - fi - fi diff --git a/binutils/patches/binutils-2.20.51.0.2-version.patch0 b/binutils/patches/binutils-2.20.51.0.2-version.patch0 deleted file mode 100644 index 9f728df..0000000 --- a/binutils/patches/binutils-2.20.51.0.2-version.patch0 +++ /dev/null @@ -1,61 +0,0 @@ -diff -rcp ../binutils-2.20.51.0.7.original/bfd/Makefile.am ./bfd/Makefile.am -*** ../binutils-2.20.51.0.7.original/bfd/Makefile.am 2010-04-08 15:07:55.000000000 +0100 ---- ./bfd/Makefile.am 2010-04-08 15:23:14.000000000 +0100 -*************** bfdver.h: $(srcdir)/version.h $(srcdir)/ -*** 953,964 **** - report_bugs_to="\"$(REPORT_BUGS_TO)\"" ;\ - if test "x$(RELEASE)" = x ; then \ - bfd_version_date=`sed -n -e 's/.*DATE //p' < $(srcdir)/version.h` ;\ -! bfd_version_string="\"$(VERSION).$${bfd_version_date}\"" ;\ -! bfd_soversion="$(VERSION).$${bfd_version_date}" ;\ - fi ;\ - sed -e "s,@bfd_version@,$$bfd_version," \ - -e "s,@bfd_version_string@,$$bfd_version_string," \ -! -e "s,@bfd_version_package@,$$bfd_version_package," \ - -e "s,@report_bugs_to@,$$report_bugs_to," \ - < $(srcdir)/version.h > $@; \ - echo "$${bfd_soversion}" > libtool-soversion ---- 953,964 ---- - report_bugs_to="\"$(REPORT_BUGS_TO)\"" ;\ - if test "x$(RELEASE)" = x ; then \ - bfd_version_date=`sed -n -e 's/.*DATE //p' < $(srcdir)/version.h` ;\ -! bfd_version_string="\"$(VERSION)-%{release} $${bfd_version_date}\"" ;\ -! bfd_soversion="$(VERSION)-%{release}" ;\ - fi ;\ - sed -e "s,@bfd_version@,$$bfd_version," \ - -e "s,@bfd_version_string@,$$bfd_version_string," \ -! -e "s,@bfd_version_package@,\"version \"," \ - -e "s,@report_bugs_to@,$$report_bugs_to," \ - < $(srcdir)/version.h > $@; \ - echo "$${bfd_soversion}" > libtool-soversion -diff -rcp ../binutils-2.20.51.0.7.original/bfd/Makefile.in ./bfd/Makefile.in -*** ../binutils-2.20.51.0.7.original/bfd/Makefile.in 2010-04-08 15:07:55.000000000 +0100 ---- ./bfd/Makefile.in 2010-04-08 15:23:14.000000000 +0100 -*************** bfdver.h: $(srcdir)/version.h $(srcdir)/ -*** 1982,1993 **** - report_bugs_to="\"$(REPORT_BUGS_TO)\"" ;\ - if test "x$(RELEASE)" = x ; then \ - bfd_version_date=`sed -n -e 's/.*DATE //p' < $(srcdir)/version.h` ;\ -! bfd_version_string="\"$(VERSION).$${bfd_version_date}\"" ;\ -! bfd_soversion="$(VERSION).$${bfd_version_date}" ;\ - fi ;\ - sed -e "s,@bfd_version@,$$bfd_version," \ - -e "s,@bfd_version_string@,$$bfd_version_string," \ -! -e "s,@bfd_version_package@,$$bfd_version_package," \ - -e "s,@report_bugs_to@,$$report_bugs_to," \ - < $(srcdir)/version.h > $@; \ - echo "$${bfd_soversion}" > libtool-soversion ---- 1982,1993 ---- - report_bugs_to="\"$(REPORT_BUGS_TO)\"" ;\ - if test "x$(RELEASE)" = x ; then \ - bfd_version_date=`sed -n -e 's/.*DATE //p' < $(srcdir)/version.h` ;\ -! bfd_version_string="\"$(VERSION)-%{release} $${bfd_version_date}\"" ;\ -! bfd_soversion="$(VERSION)-%{release}" ;\ - fi ;\ - sed -e "s,@bfd_version@,$$bfd_version," \ - -e "s,@bfd_version_string@,$$bfd_version_string," \ -! -e "s,@bfd_version_package@,\"version \"," \ - -e "s,@report_bugs_to@,$$report_bugs_to," \ - < $(srcdir)/version.h > $@; \ - echo "$${bfd_soversion}" > libtool-soversion - diff --git a/binutils/patches/binutils-2.22.52.0.1-export-demangle.h.patch0 b/binutils/patches/binutils-2.22.52.0.1-export-demangle.h.patch0 deleted file mode 100644 index 9a9f3fa..0000000 --- a/binutils/patches/binutils-2.22.52.0.1-export-demangle.h.patch0 +++ /dev/null @@ -1,57 +0,0 @@ -*** ../binutils-2.22.52.0.1.orig/bfd/Makefile.am 2012-03-06 14:00:33.229957572 +0000 ---- bfd/Makefile.am 2012-04-27 16:46:05.410974817 +0100 -*************** if INSTALL_LIBBFD -*** 18,24 **** - bfdlibdir = @bfdlibdir@ - bfdincludedir = @bfdincludedir@ - bfdlib_LTLIBRARIES = libbfd.la -! bfdinclude_HEADERS = $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h - else !INSTALL_LIBBFD - # Empty these so that the respective installation directories will not be created. - bfdlibdir = ---- 18,24 ---- - bfdlibdir = @bfdlibdir@ - bfdincludedir = @bfdincludedir@ - bfdlib_LTLIBRARIES = libbfd.la -! bfdinclude_HEADERS = $(BFD_H) $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h $(INCDIR)/demangle.h - else !INSTALL_LIBBFD - # Empty these so that the respective installation directories will not be created. - bfdlibdir = -*** ../binutils-2.22.52.0.1.orig/bfd/Makefile.in 2012-03-06 14:00:32.952957600 +0000 ---- bfd/Makefile.in 2012-04-27 16:46:19.718975214 +0100 -*************** RECURSIVE_TARGETS = all-recursive check- -*** 138,144 **** - installcheck-recursive installdirs-recursive pdf-recursive \ - ps-recursive uninstall-recursive - am__bfdinclude_HEADERS_DIST = $(INCDIR)/plugin-api.h bfd.h \ -! $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h - HEADERS = $(bfdinclude_HEADERS) - RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ - distclean-recursive maintainer-clean-recursive ---- 138,145 ---- - installcheck-recursive installdirs-recursive pdf-recursive \ - ps-recursive uninstall-recursive - am__bfdinclude_HEADERS_DIST = $(INCDIR)/plugin-api.h bfd.h \ -! $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h $(INCDIR)/bfdlink.h \ -! $(INCDIR)/demangle.h - HEADERS = $(bfdinclude_HEADERS) - RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ - distclean-recursive maintainer-clean-recursive -*************** libbfd_la_LDFLAGS = $(am__append_1) -rel -*** 331,337 **** - @INSTALL_LIBBFD_FALSE@bfdinclude_HEADERS = $(am__append_2) - @INSTALL_LIBBFD_TRUE@bfdinclude_HEADERS = $(BFD_H) \ - @INSTALL_LIBBFD_TRUE@ $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \ -! @INSTALL_LIBBFD_TRUE@ $(INCDIR)/bfdlink.h $(am__append_2) - @INSTALL_LIBBFD_FALSE@rpath_bfdlibdir = @bfdlibdir@ - @INSTALL_LIBBFD_FALSE@noinst_LTLIBRARIES = libbfd.la - AM_CFLAGS = $(WARN_CFLAGS) ---- 332,339 ---- - @INSTALL_LIBBFD_FALSE@bfdinclude_HEADERS = $(am__append_2) - @INSTALL_LIBBFD_TRUE@bfdinclude_HEADERS = $(BFD_H) \ - @INSTALL_LIBBFD_TRUE@ $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \ -! @INSTALL_LIBBFD_TRUE@ $(INCDIR)/bfdlink.h $(INCDIR)/demangle.h \ -! @INSTALL_LIBBFD_TRUE@ $(am__append_2) - @INSTALL_LIBBFD_FALSE@rpath_bfdlibdir = @bfdlibdir@ - @INSTALL_LIBBFD_FALSE@noinst_LTLIBRARIES = libbfd.la - AM_CFLAGS = $(WARN_CFLAGS) diff --git a/binutils/patches/binutils-2.22.52.0.1-relro-on-by-default.patch b/binutils/patches/binutils-2.22.52.0.1-relro-on-by-default.patch new file mode 100644 index 0000000..ba8318d --- /dev/null +++ b/binutils/patches/binutils-2.22.52.0.1-relro-on-by-default.patch @@ -0,0 +1,58 @@ +diff -upr ../binutils-2.22.52.0.1.orig/ld/testsuite/config/default.exp ld/testsuite/config/default.exp +--- a/ld/testsuite/config/default.exp 2012-03-06 14:00:31.141957656 +0000 ++++ b/ld/testsuite/config/default.exp 2012-03-06 14:09:33.492940503 +0000 +@@ -23,7 +23,7 @@ + # + + if ![info exists ld] then { +- set ld [findfile $base_dir/ld-new $base_dir/ld-new [transform ld]] ++ set ld "[findfile $base_dir/ld-new $base_dir/ld-new [transform ld]] -znorelro" + } + + if ![info exists as] then { +@@ -60,7 +60,7 @@ if {![file isdirectory tmpdir/ld]} then + catch "exec ln -s ld tmpdir/ld/collect-ld" status + catch "exec ln -s ../../../gas/as-new tmpdir/ld/as" status + } +-set gcc_B_opt "-B[pwd]/tmpdir/ld/" ++set gcc_B_opt "-B[pwd]/tmpdir/ld/ -Wl,-z,norelro" + + # load the linker path + set ld_L_opt "" +@@ -279,7 +279,7 @@ + } + + if ![info exists LD] then { +- set LD [findfile $base_dir/ld-new ./ld-new [transform ld]] ++ set LD "[findfile $base_dir/ld-new ./ld-new [transform ld]] -znorelro" + } + + if ![info exists LDFLAGS] then { +diff -cpr ../binutils-2.22.52.0.1.orig/ld/testsuite/ld-bootstrap/bootstrap.exp ld/testsuite/ld-bootstrap/bootstrap.exp +--- a/ld/testsuite/ld-bootstrap/bootstrap.exp 2012-03-06 14:00:30.503957676 +0000 ++++ b/ld/testsuite/ld-bootstrap/bootstrap.exp 2012-03-06 15:03:33.949837926 +0000 +@@ -71,7 +71,13 @@ + + # This test can only be run if we have the ld build directory, + # since we need the object files. +- if {$ld != "$objdir/ld-new"} { ++ set ldexe $ld ++ set ldparm [string first " " $ld] ++ if { $ldparm > 0 } then { ++ set ldparm [expr $ldparm - 1] ++ set ldexe [string range $ld 0 $ldparm] ++ } ++ if {$ldexe != "$objdir/ld-new"} { + untested $testname + continue + } +--- binutils-2.26.orig/ld/emultempl/elf32.em 2016-01-25 10:11:33.990291993 +0000 ++++ binutils-2.26/ld/emultempl/elf32.em 2016-01-25 10:21:40.333016777 +0000 +@@ -104,6 +104,7 @@ gld${EMULATION_NAME}_before_parse (void) + config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; + config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`; + `if test -n "$CALL_NOP_BYTE" ; then echo link_info.call_nop_byte = $CALL_NOP_BYTE; fi`; ++ link_info.relro = TRUE; + } + + EOF diff --git a/binutils/patches/binutils-2.22.52.0.1-warn-textrel.patch b/binutils/patches/binutils-2.22.52.0.1-warn-textrel.patch deleted file mode 100644 index 72a0477..0000000 --- a/binutils/patches/binutils-2.22.52.0.1-warn-textrel.patch +++ /dev/null @@ -1,51 +0,0 @@ -textrels are bad for forcing copy-on-write (this affects everyone), -and for security/runtime code generation, this affects security ppl. -But in either case, it doesn't matter who needs textrels, it's -the very fact that they're needed at all. - -2006-06-10 Ned Ludd <solar(a)gentoo.org>, Mike Frysinger <vapier(a)gentoo.org> - - * bfd/elflink.c (bfd_elf_final_link): Check all objects for TEXTRELs. - * ld/ldmain.c (main): Change textrel warning default to true. - * ld/testsuite/lib/ld-lib.exp (default_ld_simple_link): Scrub TEXTREL - warnings from ld output. - ---- a/bfd/elflink.c -+++ b/bfd/elflink.c -@@ -8652,7 +8652,7 @@ bfd_elf_final_link (bfd *abfd, struct bf - goto error_return; - - /* Check for DT_TEXTREL (late, in case the backend removes it). */ -- if (((info->warn_shared_textrel && info->shared) -+ if ((info->warn_shared_textrel - || info->error_textrel) - && (o = bfd_get_section_by_name (dynobj, ".dynamic")) != NULL) - { -@@ -8702,7 +8702,7 @@ bfd_elf_final_link (bfd *abfd, struct bf - (_("%P%X: read-only segment has dynamic relocations.\n")); - else - info->callbacks->einfo -- (_("%P: warning: creating a DT_TEXTREL in a shared object.\n")); -+ (_("%P: warning: creating a DT_TEXTREL in object.\n")); - break; - } - } ---- a/ld/ldmain.c -+++ b/ld/ldmain.c -@@ -282,2 +282,3 @@ main (int argc, char **argv) - link_info.spare_dynamic_tags = 5; -+ link_info.warn_shared_textrel = TRUE; - link_info.sharable_sections = FALSE; ---- a/ld/testsuite/lib/ld-lib.exp -+++ b/ld/testsuite/lib/ld-lib.exp -@@ -181,6 +181,10 @@ proc default_ld_simple_link { ld target - # symbol, since the default linker script might use ENTRY. - regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output - -+ # Gentoo tweak: -+ # We want to ignore TEXTREL warnings since we force enable them by default -+ regsub -all "^lt-ld-new: warning: creating a DT_TEXTREL in object\." $exec_output "\\1" exec_output -+ - if [string match "" $exec_output] then { - return 1 - } else { diff --git a/binutils/patches/binutils-2.22.52.0.2-flexible-tests.patch b/binutils/patches/binutils-2.22.52.0.2-flexible-tests.patch deleted file mode 100644 index af6c927..0000000 --- a/binutils/patches/binutils-2.22.52.0.2-flexible-tests.patch +++ /dev/null @@ -1,25 +0,0 @@ -making some of the address matches more flexible fixes tests when using -pax/relro/hash patches - ---- binutils/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d -+++ binutils/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d -@@ -4,6 +4,6 @@ - #target: x86_64-*-* - - #... --[ \t0-9a-f]+:[ \t0-9a-f]+call[ \t0-9a-fq]+<\*ABS\*\+0x220@plt> --[ \t0-9a-f]+:[ \t0-9a-f]+lea[ \t]+.*$%rip$,%rax.*[ \t0-9a-fq]+<\*ABS\*\+0x220@plt> -+[ \t0-9a-f]+:[ \t0-9a-f]+call[ \t0-9a-fq]+<\*ABS\*\+0x[a-f0-9]+@plt> -+[ \t0-9a-f]+:[ \t0-9a-f]+lea[ \t]+.*$%rip$,%rax.*[ \t0-9a-fq]+<\*ABS\*\+0x[a-f0-9]+@plt> - #pass ---- binutils/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d -+++ binutils/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d -@@ -4,6 +4,6 @@ - #target: x86_64-*-* - - #... --[ \t0-9a-f]+:[ \t0-9a-f]+call[ \t0-9a-fq]+<\*ABS\*\+0x220@plt> --[ \t0-9a-f]+:[ \t0-9a-f]+lea[ \t]+.*$%rip$,%rax.*[ \t0-9a-fq]+<\*ABS\*\+0x220@plt> -+[ \t0-9a-f]+:[ \t0-9a-f]+call[ \t0-9a-fq]+<\*ABS\*\+0x[a-f0-9]+@plt> -+[ \t0-9a-f]+:[ \t0-9a-f]+lea[ \t]+.*$%rip$,%rax.*[ \t0-9a-fq]+<\*ABS\*\+0x[a-f0-9]+@plt> - #pass diff --git a/binutils/patches/binutils-2.22.52.0.4-no-config-h-check.patch0 b/binutils/patches/binutils-2.22.52.0.4-no-config-h-check.patch0 deleted file mode 100644 index 2fc32e3..0000000 --- a/binutils/patches/binutils-2.22.52.0.4-no-config-h-check.patch0 +++ /dev/null @@ -1,32 +0,0 @@ -*** ../binutils-2.22.52.0.4.orig/bfd/bfd-in.h 2012-08-02 10:56:34.561769686 +0100 ---- bfd/bfd-in.h 2012-08-02 11:13:27.134797755 +0100 -*************** -*** 25,35 **** - #ifndef __BFD_H_SEEN__ - #define __BFD_H_SEEN__ - -- /* PR 14072: Ensure that config.h is included first. */ -- #if !defined PACKAGE && !defined PACKAGE_VERSION -- #error config.h must be included before this header -- #endif -- - #ifdef __cplusplus - extern "C" { - #endif ---- 25,30 ---- -*** ../binutils-2.22.52.0.4.orig/bfd/bfd-in2.h 2012-08-02 10:56:34.349769680 +0100 ---- bfd/bfd-in2.h 2012-08-02 11:13:40.015798113 +0100 -*************** -*** 32,42 **** - #ifndef __BFD_H_SEEN__ - #define __BFD_H_SEEN__ - -- /* PR 14072: Ensure that config.h is included first. */ -- #if !defined PACKAGE && !defined PACKAGE_VERSION -- #error config.h must be included before this header -- #endif -- - #ifdef __cplusplus - extern "C" { - #endif ---- 32,37 ---- diff --git a/binutils/patches/binutils-2.23.2-aarch64-em.patch0 b/binutils/patches/binutils-2.23.2-aarch64-em.patch0 deleted file mode 100644 index f4aae4c..0000000 --- a/binutils/patches/binutils-2.23.2-aarch64-em.patch0 +++ /dev/null @@ -1,47 +0,0 @@ -*** ../binutils-2.23.2.orig/ld/emultempl/aarch64elf.em 2013-06-05 09:46:17.499278813 +0100 ---- ld/emultempl/aarch64elf.em 2013-06-05 09:54:36.981292659 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 264,270 **** - } - - static void -! gld${EMULATION_NAME}_finish (void) - { - if (! link_info.relocatable) - { ---- 264,270 ---- - } - - static void -! gld${EMULATION_NAME}_local_finish (void) - { - if (! link_info.relocatable) - { -*************** gld${EMULATION_NAME}_finish (void) -*** 276,282 **** - } - } - -! finish_default (); - } - - /* This is a convenient point to tell BFD about target specific flags. ---- 276,282 ---- - } - } - -! gld${EMULATION_NAME}_finish (); - } - - /* This is a convenient point to tell BFD about target specific flags. -*************** LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= -*** 413,416 **** - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish ---- 413,416 ---- - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_local_finish diff --git a/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 b/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 deleted file mode 100644 index 2ba70c5..0000000 --- a/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 +++ /dev/null @@ -1,2734 +0,0 @@ -diff -cpr ../binutils-2.23.2.orig/bfd/bfd.c bfd/bfd.c -*** ../binutils-2.23.2.orig/bfd/bfd.c 2013-05-14 16:39:24.681717759 +0100 ---- bfd/bfd.c 2013-05-14 16:40:06.988718932 +0100 -*************** CODE_FRAGMENT -*** 43,48 **** ---- 43,56 ---- - . both_direction = 3 - . }; - . -+ .enum bfd_lto_object_type -+ . { -+ . lto_non_object, -+ . lto_non_ir_object, -+ . lto_ir_object, -+ . lto_mixed_object -+ . }; -+ . - .struct bfd - .{ - . {* A unique identifier of the BFD *} -*************** CODE_FRAGMENT -*** 190,195 **** ---- 198,206 ---- - . {* The last section on the section list. *} - . struct bfd_section *section_last; - . -+ . {* The object-only section on the section list. *} -+ . struct bfd_section *object_only_section; -+ . - . {* The number of sections. *} - . unsigned int section_count; - . -*************** CODE_FRAGMENT -*** 308,313 **** ---- 319,327 ---- - . {* Set if only required symbols should be added in the link hash table for - . this object. Used by VMS linkers. *} - . unsigned int selective_search : 1; -+ . -+ . {* LTO object type. *} -+ . unsigned int lto_type : 2; - .}; - . - */ -*************** bfd_demangle (bfd *abfd, const char *nam -*** 2026,2028 **** ---- 2040,2075 ---- - - return res; - } -+ -+ /* -+ FUNCTION -+ bfd_group_signature -+ -+ SYNOPSIS -+ asymbol *bfd_group_signature (asection *group, asymbol **isympp); -+ -+ DESCRIPTION -+ Return a pointer to the symbol used as a signature for GROUP. -+ */ -+ -+ asymbol * -+ bfd_group_signature (asection *group, asymbol **isympp) -+ { -+ bfd *abfd = group->owner; -+ Elf_Internal_Shdr *ghdr; -+ -+ if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) -+ return NULL; -+ -+ ghdr = &elf_section_data (group)->this_hdr; -+ if (ghdr->sh_link < elf_numsections (abfd)) -+ { -+ const struct elf_backend_data *bed = get_elf_backend_data (abfd); -+ Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; -+ -+ if (symhdr->sh_type == SHT_SYMTAB -+ && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) -+ return isympp[ghdr->sh_info - 1]; -+ } -+ return NULL; -+ } -diff -cpr ../binutils-2.23.2.orig/bfd/bfd-in2.h bfd/bfd-in2.h -*** ../binutils-2.23.2.orig/bfd/bfd-in2.h 2013-05-14 16:39:24.640717758 +0100 ---- bfd/bfd-in2.h 2013-05-14 16:42:03.217722154 +0100 -*************** struct bfd_section *bfd_create_gnu_debug -*** 1050,1055 **** ---- 1050,1058 ---- - bfd_boolean bfd_fill_in_gnu_debuglink_section - (bfd *abfd, struct bfd_section *sect, const char *filename); - -+ const char *bfd_extract_object_only_section -+ (bfd *abfd); -+ - /* Extracted from libbfd.c. */ - - /* Byte swapping macros for user section data. */ -*************** extern asection std_section[4]; -*** 1594,1599 **** ---- 1597,1605 ---- - || ((SEC) == bfd_com_section_ptr) \ - || ((SEC) == bfd_ind_section_ptr)) - -+ /* GNU object-only section name. */ -+ #define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" -+ - /* Macros to handle insertion and deletion of a bfd's sections. These - only handle the list pointers, ie. do not adjust section_count, - target_index etc. */ -*************** enum bfd_direction -*** 5681,5686 **** ---- 5687,5700 ---- - both_direction = 3 - }; - -+ enum bfd_lto_object_type -+ { -+ lto_non_object, -+ lto_non_ir_object, -+ lto_ir_object, -+ lto_mixed_object -+ }; -+ - struct bfd - { - /* A unique identifier of the BFD */ -*************** struct bfd -*** 5828,5833 **** ---- 5842,5850 ---- - /* The last section on the section list. */ - struct bfd_section *section_last; - -+ /* The object-only section on the section list. */ -+ struct bfd_section *object_only_section; -+ - /* The number of sections. */ - unsigned int section_count; - -*************** struct bfd -*** 5946,5951 **** ---- 5963,5971 ---- - /* Set if only required symbols should be added in the link hash table for - this object. Used by VMS linkers. */ - unsigned int selective_search : 1; -+ -+ /* LTO object type. */ -+ unsigned int lto_type : 2; - }; - - typedef enum bfd_error -*************** void bfd_emul_set_commonpagesize (const -*** 6167,6172 **** ---- 6187,6194 ---- - - char *bfd_demangle (bfd *, const char *, int); - -+ asymbol *bfd_group_signature (asection *group, asymbol **isympp); -+ - /* Extracted from archive.c. */ - symindex bfd_get_next_mapent - (bfd *abfd, symindex previous, carsym **sym); -diff -cpr ../binutils-2.23.2.orig/bfd/elf.c bfd/elf.c -*** ../binutils-2.23.2.orig/bfd/elf.c 2013-05-14 16:39:25.317717777 +0100 ---- bfd/elf.c 2013-05-14 16:40:06.993718932 +0100 -*************** static const struct bfd_elf_special_sect -*** 2092,2097 **** ---- 2092,2098 ---- - { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, - { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, - { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, -+ { STRING_COMMA_LEN (".gnu_object_only"), 0, SHT_GNU_OBJECT_ONLY, SHF_EXCLUDE }, - { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, - { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, - { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, -diff -cpr ../binutils-2.23.2.orig/bfd/elflink.c bfd/elflink.c -*** ../binutils-2.23.2.orig/bfd/elflink.c 2013-05-14 16:39:25.280717776 +0100 ---- bfd/elflink.c 2013-05-14 16:40:06.997718932 +0100 -*************** elf_link_add_archive_symbols (bfd *abfd, -*** 5127,5132 **** ---- 5127,5135 ---- - something wrong with the archive. */ - if (element->archive_pass != 0) - { -+ /* Don't load the IR archive member twice. */ -+ if (element->lto_type == lto_ir_object) -+ continue; - bfd_set_error (bfd_error_bad_value); - goto error_return; - } -diff -cpr ../binutils-2.23.2.orig/bfd/format.c bfd/format.c -*** ../binutils-2.23.2.orig/bfd/format.c 2013-05-14 16:39:24.265717748 +0100 ---- bfd/format.c 2013-05-14 16:40:07.006718933 +0100 -*************** bfd_check_format (bfd *abfd, bfd_format -*** 95,100 **** ---- 95,127 ---- - return bfd_check_format_matches (abfd, format, NULL); - } - -+ /* Set lto_type in ABFD. */ -+ -+ static void -+ bfd_set_lto_type (bfd *abfd) -+ { -+ if (abfd->format == bfd_object -+ && abfd->lto_type == lto_non_object -+ && (abfd->flags & (DYNAMIC | EXEC_P)) == 0) -+ { -+ asection *sec; -+ enum bfd_lto_object_type type = lto_non_ir_object; -+ for (sec = abfd->sections; sec != NULL; sec = sec->next) -+ { -+ if (strcmp (sec->name, GNU_OBJECT_ONLY_SECTION_NAME) == 0) -+ { -+ type = lto_mixed_object; -+ abfd->object_only_section = sec; -+ break; -+ } -+ else if (type != lto_ir_object -+ && strncmp (sec->name, ".gnu.lto_", 9) == 0) -+ type = lto_ir_object; -+ } -+ abfd->lto_type = type; -+ } -+ } -+ - struct bfd_preserve - { - void *marker; -*************** bfd_check_format_matches (bfd *abfd, bfd -*** 136,142 **** - } - - if (abfd->format != bfd_unknown) -! return abfd->format == format; - - if (matching != NULL || *bfd_associated_vector != NULL) - { ---- 163,172 ---- - } - - if (abfd->format != bfd_unknown) -! { -! bfd_set_lto_type (abfd); -! return abfd->format == format; -! } - - if (matching != NULL || *bfd_associated_vector != NULL) - { -*************** bfd_check_format_matches (bfd *abfd, bfd -*** 322,327 **** ---- 352,360 ---- - - if (matching_vector) - free (matching_vector); -+ -+ bfd_set_lto_type (abfd); -+ - - /* File position has moved, BTW. */ - return TRUE; -diff -cpr ../binutils-2.23.2.orig/bfd/opncls.c bfd/opncls.c -*** ../binutils-2.23.2.orig/bfd/opncls.c 2013-05-14 16:39:23.701717732 +0100 ---- bfd/opncls.c 2013-05-14 16:40:07.008718933 +0100 -*************** bfd_fill_in_gnu_debuglink_section (bfd * -*** 1569,1571 **** ---- 1569,1637 ---- - - return TRUE; - } -+ -+ /* -+ FUNCTION -+ bfd_extract_object_only_section -+ -+ SYNOPSIS -+ const char *bfd_extract_object_only_section -+ (bfd *abfd); -+ -+ DESCRIPTION -+ -+ Takes a @var{ABFD} and extract the .gnu_object_only section into -+ a temporary file. -+ -+ RETURNS -+ The name of the temporary file is returned if all is ok. -+ Otherwise <<NULL>> is returned and bfd_error is set. -+ */ -+ -+ const char * -+ bfd_extract_object_only_section (bfd *abfd) -+ { -+ asection *sec = abfd->object_only_section; -+ const char *name; -+ FILE *file; -+ bfd_byte *memhunk = NULL; -+ size_t off, size; -+ bfd_error_type err; -+ -+ /* Get a temporary object-only file. */ -+ name = make_temp_file (".obj-only.o"); -+ -+ /* Open the object-only file. */ -+ file = real_fopen (name, FOPEN_WB); -+ if (!bfd_get_full_section_contents (abfd, sec, &memhunk)) -+ { -+ err = bfd_get_error (); -+ -+ loser: -+ free (memhunk); -+ fclose (file); -+ unlink (name); -+ bfd_set_error (err); -+ return NULL; -+ } -+ -+ off = 0; -+ size = sec->size; -+ while (off != size) -+ { -+ size_t written, nwrite = size - off; -+ -+ written = fwrite (memhunk + off, 1, nwrite, file); -+ if (written < nwrite && ferror (file)) -+ { -+ err = bfd_error_system_call; -+ goto loser; -+ } -+ -+ off += written; -+ } -+ -+ free (memhunk); -+ fclose (file); -+ return name; -+ } -diff -cpr ../binutils-2.23.2.orig/bfd/plugin.c bfd/plugin.c -*** ../binutils-2.23.2.orig/bfd/plugin.c 2013-05-14 16:39:25.137717772 +0100 ---- bfd/plugin.c 2013-05-14 16:40:07.010718933 +0100 -*************** register_claim_file (ld_plugin_claim_fil -*** 130,135 **** ---- 130,268 ---- - return LDPS_OK; - } - -+ static asection bfd_plugin_fake_text_section -+ = BFD_FAKE_SECTION (bfd_plugin_fake_text_section, 0, 0, ".text", 0); -+ static asection bfd_plugin_fake_common_section -+ = BFD_FAKE_SECTION (bfd_plugin_fake_common_section, SEC_IS_COMMON, 0, -+ NULL, 0); -+ -+ /* Get symbols from object only section. */ -+ -+ static void -+ bfd_plugin_get_symbols_in_object_only (bfd *abfd) -+ { -+ struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -+ const char *object_only_file; -+ bfd *nbfd; -+ long storage; -+ long object_only_nsyms, added_nsyms, i; -+ asymbol **object_only_syms, **added_syms; -+ -+ plugin_data->object_only_syms = NULL; -+ plugin_data->object_only_nsyms = 0; -+ -+ if (abfd->sections == NULL && abfd->my_archive == NULL) -+ { -+ nbfd = bfd_openr (abfd->filename, NULL); -+ if (nbfd == NULL || !bfd_check_format (nbfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%s: failed to open to extract object only section: %s"), -+ abfd->filename, bfd_errmsg (bfd_get_error ())); -+ bfd_close (nbfd); -+ return; -+ } -+ } -+ else -+ { -+ if (!bfd_check_format (abfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%B: invalid file to extract object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ return; -+ } -+ nbfd = abfd; -+ } -+ -+ if (nbfd->lto_type == lto_mixed_object -+ && (nbfd->flags & HAS_SYMS) != 0) -+ { -+ object_only_file = bfd_extract_object_only_section (nbfd); -+ if (object_only_file == NULL) -+ (*_bfd_error_handler) -+ (_("%B: failed to extract object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ } -+ else -+ object_only_file = NULL; -+ -+ /* Close the new bfd we just opened. */ -+ if (nbfd != abfd) -+ bfd_close (nbfd); -+ -+ /* Return if there is no object only section or there is no -+ symbol in object only section. */ -+ if (!object_only_file) -+ return; -+ -+ /* Open the file containing object only section. */ -+ nbfd = bfd_openr (object_only_file, NULL); -+ if (!bfd_check_format (nbfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%B: failed to open object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ goto quit; -+ } -+ -+ storage = bfd_get_symtab_upper_bound (nbfd); -+ if (storage <= 0) -+ { -+ if (storage < 0) -+ (*_bfd_error_handler) -+ (_("%B: failed to get symbol table in object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ -+ goto quit; -+ } -+ -+ object_only_syms = (asymbol **) bfd_malloc (storage); -+ object_only_nsyms = bfd_canonicalize_symtab (nbfd, object_only_syms); -+ -+ /* FIXME: We waste some spaces if not all symbols are copied. */ -+ added_syms = (asymbol **) bfd_alloc (abfd, storage); -+ added_nsyms = 0; -+ -+ /* Copy only global symbols from object only section. */ -+ for (i = 0; i < object_only_nsyms; i++) -+ { -+ asection *sec = object_only_syms[i]->section; -+ flagword flags = object_only_syms[i]->flags; -+ asymbol *s; -+ -+ if (bfd_is_com_section (sec)) -+ sec = &bfd_plugin_fake_common_section; -+ else if (bfd_is_und_section (sec)) -+ ; -+ else if ((flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0) -+ sec = &bfd_plugin_fake_text_section; -+ else -+ continue; -+ -+ s = bfd_alloc (abfd, sizeof (asymbol)); -+ BFD_ASSERT (s); -+ added_syms[added_nsyms++] = s; -+ -+ s->section = sec; -+ s->the_bfd = abfd; -+ s->name = xstrdup (object_only_syms[i]->name); -+ s->value = 0; -+ s->flags = flags; -+ s->udata.p = NULL; -+ } -+ -+ plugin_data->object_only_syms = added_syms; -+ plugin_data->object_only_nsyms = added_nsyms; -+ -+ free (object_only_syms); -+ -+ quit: -+ /* Close and remove the object only section file. */ -+ bfd_close (nbfd); -+ unlink (object_only_file); -+ } -+ - static enum ld_plugin_status - add_symbols (void * handle, - int nsyms, -*************** add_symbols (void * handle, -*** 142,148 **** - plugin_data->nsyms = nsyms; - plugin_data->syms = syms; - -! if (nsyms != 0) - abfd->flags |= HAS_SYMS; - - abfd->tdata.plugin_data = plugin_data; ---- 275,283 ---- - plugin_data->nsyms = nsyms; - plugin_data->syms = syms; - -! bfd_plugin_get_symbols_in_object_only (abfd); -! -! if ((nsyms + plugin_data->object_only_nsyms) != 0) - abfd->flags |= HAS_SYMS; - - abfd->tdata.plugin_data = plugin_data; -*************** static long -*** 389,395 **** - bfd_plugin_get_symtab_upper_bound (bfd *abfd) - { - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -! long nsyms = plugin_data->nsyms; - - BFD_ASSERT (nsyms >= 0); - ---- 524,531 ---- - bfd_plugin_get_symtab_upper_bound (bfd *abfd) - { - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -! /* Add symbols from object only section. */ -! long nsyms = plugin_data->nsyms + plugin_data->object_only_nsyms; - - BFD_ASSERT (nsyms >= 0); - -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 423,434 **** - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; - long nsyms = plugin_data->nsyms; - const struct ld_plugin_symbol *syms = plugin_data->syms; -! static asection fake_section; -! static asection fake_common_section; -! int i; -! -! fake_section.name = ".text"; -! fake_common_section.flags = SEC_IS_COMMON; - - for (i = 0; i < nsyms; i++) - { ---- 559,565 ---- - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; - long nsyms = plugin_data->nsyms; - const struct ld_plugin_symbol *syms = plugin_data->syms; -! int i, j; - - for (i = 0; i < nsyms; i++) - { -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 441,450 **** - s->name = syms[i].name; - s->value = 0; - s->flags = convert_flags (&syms[i]); - switch (syms[i].def) - { - case LDPK_COMMON: -! s->section = &fake_common_section; - break; - case LDPK_UNDEF: - case LDPK_WEAKUNDEF: ---- 572,582 ---- - s->name = syms[i].name; - s->value = 0; - s->flags = convert_flags (&syms[i]); -+ s->udata.p = NULL; - switch (syms[i].def) - { - case LDPK_COMMON: -! s->section = &bfd_plugin_fake_common_section; - break; - case LDPK_UNDEF: - case LDPK_WEAKUNDEF: -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 452,466 **** - break; - case LDPK_DEF: - case LDPK_WEAKDEF: -! s->section = &fake_section; - break; - default: - BFD_ASSERT (0); - } -- -- s->udata.p = (void *) &syms[i]; - } - - return nsyms; - } - ---- 584,601 ---- - break; - case LDPK_DEF: - case LDPK_WEAKDEF: -! s->section = &bfd_plugin_fake_text_section; - break; - default: - BFD_ASSERT (0); - } - } - -+ /* Copy symbols from object only section. */ -+ nsyms += plugin_data->object_only_nsyms; -+ for (j = 0; j < plugin_data->object_only_nsyms; j++, i++) -+ alocation[i] = plugin_data->object_only_syms[j]; -+ - return nsyms; - } - -diff -cpr ../binutils-2.23.2.orig/bfd/plugin.h bfd/plugin.h -*** ../binutils-2.23.2.orig/bfd/plugin.h 2013-05-14 16:39:25.481717782 +0100 ---- bfd/plugin.h 2013-05-14 16:40:07.010718933 +0100 -*************** typedef struct plugin_data_struct -*** 30,35 **** ---- 30,37 ---- - { - int nsyms; - const struct ld_plugin_symbol *syms; -+ int object_only_nsyms; -+ asymbol **object_only_syms; - } - plugin_data_struct; - -diff -cpr ../binutils-2.23.2.orig/bfd/section.c bfd/section.c -*** ../binutils-2.23.2.orig/bfd/section.c 2013-05-14 16:39:26.180717801 +0100 ---- bfd/section.c 2013-05-14 16:43:06.082723897 +0100 -*************** CODE_FRAGMENT -*** 571,576 **** ---- 571,579 ---- - . || ((SEC) == bfd_com_section_ptr) \ - . || ((SEC) == bfd_ind_section_ptr)) - . -+ .{* GNU object-only section name. *} -+ .#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" -+ . - .{* Macros to handle insertion and deletion of a bfd's sections. These - . only handle the list pointers, ie. do not adjust section_count, - . target_index etc. *} -diff -cpr ../binutils-2.23.2.orig/binutils/objcopy.c binutils/objcopy.c -*** ../binutils-2.23.2.orig/binutils/objcopy.c 2013-05-14 16:39:36.214718079 +0100 ---- binutils/objcopy.c 2013-05-14 16:45:04.631727183 +0100 -*************** is_specified_symbol (const char *name, h -*** 943,972 **** - return htab_find (htab, name) != NULL; - } - -- /* Return a pointer to the symbol used as a signature for GROUP. */ -- -- static asymbol * -- group_signature (asection *group) -- { -- bfd *abfd = group->owner; -- Elf_Internal_Shdr *ghdr; -- -- if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) -- return NULL; -- -- ghdr = &elf_section_data (group)->this_hdr; -- if (ghdr->sh_link < elf_numsections (abfd)) -- { -- const struct elf_backend_data *bed = get_elf_backend_data (abfd); -- Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; -- -- if (symhdr->sh_type == SHT_SYMTAB -- && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) -- return isympp[ghdr->sh_info - 1]; -- } -- return NULL; -- } -- - /* Return TRUE if the section is a DWO section. */ - - static bfd_boolean ---- 943,948 ---- -*************** is_strip_section (bfd *abfd ATTRIBUTE_UN -*** 1034,1040 **** - /* PR binutils/3181 - If we are going to strip the group signature symbol, then - strip the group section too. */ -! gsym = group_signature (sec); - if (gsym != NULL) - gname = gsym->name; - else ---- 1010,1016 ---- - /* PR binutils/3181 - If we are going to strip the group signature symbol, then - strip the group section too. */ -! gsym = bfd_group_signature (sec, isympp); - if (gsym != NULL) - gname = gsym->name; - else -*************** setup_section (bfd *ibfd, sec_ptr isecti -*** 2633,2639 **** - - if ((isection->flags & SEC_GROUP) != 0) - { -! asymbol *gsym = group_signature (isection); - - if (gsym != NULL) - { ---- 2609,2615 ---- - - if ((isection->flags & SEC_GROUP) != 0) - { -! asymbol *gsym = bfd_group_signature (isection, isympp); - - if (gsym != NULL) - { -diff -cpr ../binutils-2.23.2.orig/binutils/readelf.c binutils/readelf.c -*** ../binutils-2.23.2.orig/binutils/readelf.c 2013-05-14 16:39:35.668718064 +0100 ---- binutils/readelf.c 2013-05-14 16:40:07.022718933 +0100 -*************** get_section_type_name (unsigned int sh_t -*** 3101,3106 **** ---- 3101,3107 ---- - case 0x7ffffffd: return "AUXILIARY"; - case 0x7fffffff: return "FILTER"; - case SHT_GNU_LIBLIST: return "GNU_LIBLIST"; -+ case SHT_GNU_OBJECT_ONLY: return "GNU_OBJECT_ONLY"; - - default: - if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) -diff -cpr ../binutils-2.23.2.orig/include/bfdlink.h include/bfdlink.h -*** ../binutils-2.23.2.orig/include/bfdlink.h 2013-05-14 16:39:19.745717623 +0100 ---- include/bfdlink.h 2013-05-14 16:40:07.023718933 +0100 -*************** struct bfd_link_info -*** 380,385 **** ---- 380,391 ---- - /* TRUE if ok to have multiple definition. */ - unsigned int allow_multiple_definition: 1; - -+ /* TRUE if .gnu_object_only section should be created. */ -+ unsigned int emit_gnu_object_only: 1; -+ -+ /* TRUE if .gnu_object_only section is being created. */ -+ unsigned int emitting_gnu_object_only: 1; -+ - /* TRUE if ok to have version with no definition. */ - unsigned int allow_undefined_version: 1; - -diff -cpr ../binutils-2.23.2.orig/include/elf/common.h include/elf/common.h -*** ../binutils-2.23.2.orig/include/elf/common.h 2013-05-14 16:39:19.628717619 +0100 ---- include/elf/common.h 2013-05-14 16:40:07.023718933 +0100 -*************** -*** 472,477 **** ---- 472,478 ---- - #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ - #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ - #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ -+ #define SHT_GNU_OBJECT_ONLY 0x6ffffff8 /* Object only */ - - /* The next three section types are defined by Solaris, and are named - SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/alphaelf.em ld/emultempl/alphaelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/alphaelf.em 2013-05-14 16:39:37.461718114 +0100 ---- ld/emultempl/alphaelf.em 2013-05-14 16:40:07.030718933 +0100 -*************** alpha_finish (void) -*** 100,106 **** - if (limit_32bit) - elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; - -! finish_default (); - } - EOF - ---- 100,106 ---- - if (limit_32bit) - elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; - -! gld${EMULATION_NAME}_finish (); - } - EOF - -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/armelf.em ld/emultempl/armelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/armelf.em 2013-05-14 16:39:37.458718114 +0100 ---- ld/emultempl/armelf.em 2013-05-14 16:40:07.033718933 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 366,372 **** - } - - static void -! gld${EMULATION_NAME}_finish (void) - { - struct bfd_link_hash_entry * h; - ---- 366,372 ---- - } - - static void -! arm_finish (void) - { - struct bfd_link_hash_entry * h; - -*************** gld${EMULATION_NAME}_finish (void) -*** 389,395 **** - } - } - -! finish_default (); - - if (thumb_entry_symbol) - { ---- 389,395 ---- - } - } - -! gld${EMULATION_NAME}_finish (); - - if (thumb_entry_symbol) - { -*************** LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= -*** 690,693 **** - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish ---- 690,693 ---- - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=arm_finish -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/elf32.em ld/emultempl/elf32.em -*** ../binutils-2.23.2.orig/ld/emultempl/elf32.em 2013-05-14 16:39:37.465718114 +0100 ---- ld/emultempl/elf32.em 2013-05-14 16:40:07.035718933 +0100 -*************** static void gld${EMULATION_NAME}_before_ -*** 68,73 **** ---- 68,74 ---- - static void gld${EMULATION_NAME}_after_allocation (void); - static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan - (asection *, const char *, int); -+ static void gld${EMULATION_NAME}_finish (void); - EOF - - if [ "x${USE_LIBPATH}" = xyes ] ; then -*************** output_rel_find (asection *sec, int isdy -*** 1764,1769 **** ---- 1765,1772 ---- - return last; - } - -+ static int orphan_init_done = 0; -+ - /* Place an orphan section. We use this to put random SHF_ALLOC - sections in the right segment. */ - -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1772,1778 **** - const char *secname, - int constraint) - { -! static struct orphan_save hold[] = - { - { ".text", - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, ---- 1775,1781 ---- - const char *secname, - int constraint) - { -! static struct orphan_save orig_hold[] = - { - { ".text", - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1799,1804 **** ---- 1802,1808 ---- - SEC_HAS_CONTENTS, - 0, 0, 0, 0 }, - }; -+ static struct orphan_save hold[ARRAY_SIZE (orig_hold)]; - enum orphan_save_index - { - orphan_text = 0, -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1810,1816 **** - orphan_sdata, - orphan_nonalloc - }; -- static int orphan_init_done = 0; - struct orphan_save *place; - lang_output_section_statement_type *after; - lang_output_section_statement_type *os; ---- 1814,1819 ---- -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1887,1901 **** - - if (!orphan_init_done) - { -! struct orphan_save *ho; - - for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) - if (ho->name != NULL) - { - ho->os = lang_output_section_find (ho->name); - if (ho->os != NULL && ho->os->flags == 0) - ho->os->flags = ho->flags; - } - orphan_init_done = 1; - } - ---- 1890,1911 ---- - - if (!orphan_init_done) - { -! struct orphan_save *ho, *horig; - - for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) -+ for (ho = hold, horig = orig_hold; -+ ho < hold + ARRAY_SIZE (hold); -+ ++ho, ++horig) -+ { -+ *ho = *horig; -+ if (ho->name != NULL) - if (ho->name != NULL) - { - ho->os = lang_output_section_find (ho->name); - if (ho->os != NULL && ho->os->flags == 0) - ho->os->flags = ho->flags; - } -+ } - orphan_init_done = 1; - } - -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1965,1970 **** ---- 1975,2001 ---- - EOF - fi - -+ fragment <<EOF -+ -+ /* Final emulation specific call. */ -+ -+ static void -+ gld${EMULATION_NAME}_finish (void) -+ { -+ EOF -+ if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then -+ fragment <<EOF -+ /* Support the object-only output. */ -+ if (link_info.emit_gnu_object_only) -+ orphan_init_done = 0; -+ -+ EOF -+ fi -+ fragment <<EOF -+ finish_default (); -+ } -+ EOF -+ - if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then - fragment <<EOF - -*************** struct ld_emulation_xfer_struct ld_${EMU -*** 2497,2503 **** - ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", -! ${LDEMUL_FINISH-finish_default}, - ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, - ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, - ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, ---- 2528,2534 ---- - ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", -! ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, - ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, - ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, - ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/ppc64elf.em ld/emultempl/ppc64elf.em -*** ../binutils-2.23.2.orig/ld/emultempl/ppc64elf.em 2013-05-14 16:39:37.454718113 +0100 ---- ld/emultempl/ppc64elf.em 2013-05-14 16:40:07.044718934 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 533,539 **** - /* Final emulation specific call. */ - - static void -! gld${EMULATION_NAME}_finish (void) - { - /* e_entry on PowerPC64 points to the function descriptor for - _start. If _start is missing, default to the first function ---- 533,539 ---- - /* Final emulation specific call. */ - - static void -! ppc_finish (void) - { - /* e_entry on PowerPC64 points to the function descriptor for - _start. If _start is missing, default to the first function -*************** gld${EMULATION_NAME}_finish (void) -*** 565,571 **** - } - - ppc64_elf_restore_symbols (&link_info); -! finish_default (); - } - - ---- 565,571 ---- - } - - ppc64_elf_restore_symbols (&link_info); -! gld${EMULATION_NAME}_finish (); - } - - -*************** PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LI -*** 867,872 **** - # - LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation - LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish - LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements - LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern ---- 867,872 ---- - # - LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation - LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation -! LDEMUL_FINISH=ppc_finish - LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements - LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/spuelf.em ld/emultempl/spuelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/spuelf.em 2013-05-14 16:39:37.453718113 +0100 ---- ld/emultempl/spuelf.em 2013-05-14 16:40:07.045718934 +0100 -*************** spu_elf_relink (void) -*** 416,422 **** - /* Final emulation specific call. */ - - static void -! gld${EMULATION_NAME}_finish (void) - { - if (is_spu_target ()) - { ---- 416,422 ---- - /* Final emulation specific call. */ - - static void -! spu_finish (void) - { - if (is_spu_target ()) - { -*************** gld${EMULATION_NAME}_finish (void) -*** 432,438 **** - einfo ("%P: --auto-overlay ignored with zero local store range\n"); - } - -! finish_default (); - } - - static char * ---- 432,438 ---- - einfo ("%P: --auto-overlay ignored with zero local store range\n"); - } - -! gld${EMULATION_NAME}_finish (); - } - - static char * -*************** PARSE_AND_LIST_ARGS_CASES=' -*** 832,836 **** - - LDEMUL_AFTER_OPEN=spu_after_open - LDEMUL_BEFORE_ALLOCATION=spu_before_allocation -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish - LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target ---- 832,836 ---- - - LDEMUL_AFTER_OPEN=spu_after_open - LDEMUL_BEFORE_ALLOCATION=spu_before_allocation -! LDEMUL_FINISH=spu_finish - LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target -diff -cpr ../binutils-2.23.2.orig/ld/ldfile.c ld/ldfile.c -*** ../binutils-2.23.2.orig/ld/ldfile.c 2013-05-14 16:39:37.164718105 +0100 ---- ld/ldfile.c 2013-05-14 16:40:07.046718934 +0100 -*************** success: -*** 319,325 **** ---- 319,327 ---- - plugin_maybe_claim (&file, entry); - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ cmdline_check_object_only_section (entry->the_bfd, FALSE); - - /* It opened OK, the format checked out, and the plugins have had - their chance to claim it, so this is success. */ -diff -cpr ../binutils-2.23.2.orig/ld/ldlang.c ld/ldlang.c -*** ../binutils-2.23.2.orig/ld/ldlang.c 2013-05-14 16:39:39.704718176 +0100 ---- ld/ldlang.c 2013-05-14 17:03:54.030758491 +0100 -*************** -*** 38,43 **** ---- 38,44 ---- - #include "ldctor.h" - #include "ldfile.h" - #include "ldemul.h" -+ #include "ldwrite.h" - #include "fnmatch.h" - #include "demangle.h" - #include "hashtab.h" -*************** -*** 46,51 **** ---- 47,55 ---- - #include "plugin.h" - #endif /* ENABLE_PLUGINS */ - -+ /* FIXME: Put it here to avoid NAME conflict from ldgram.h. */ -+ #include "elf-bfd.h" -+ - #ifndef offsetof - #define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER)) - #endif -*************** static struct bfd_hash_table lang_define -*** 69,74 **** ---- 73,81 ---- - static lang_statement_list_type *stat_save[10]; - static lang_statement_list_type **stat_save_ptr = &stat_save[0]; - static struct unique_sections *unique_section_list; -+ static cmdline_list_type cmdline_object_only_file_list; -+ static cmdline_list_type cmdline_object_only_archive_list; -+ static cmdline_list_type cmdline_temp_object_only_list; - - /* Forward declarations. */ - static void exp_init_os (etree_type *); -*************** static void lang_record_phdrs (void); -*** 89,94 **** ---- 96,105 ---- - static void lang_do_version_exports_section (void); - static void lang_finalize_version_expr_head - (struct bfd_elf_version_expr_head *); -+ static void cmdline_lists_init (void); -+ static void cmdline_get_object_only_input_files (void); -+ static void print_cmdline_list (cmdline_union_type *); -+ static bfd_boolean cmdline_on_object_only_archive_list_p (bfd *); - - /* Exported variables. */ - const char *output_target; -*************** output_section_statement_table_free (voi -*** 1204,1217 **** - /* Build enough state so that the parser can build its tree. */ - - void -! lang_init (void) - { -! obstack_begin (&stat_obstack, 1000); - - stat_ptr = &statement_list; - - output_section_statement_table_init (); - - lang_list_init (stat_ptr); - - lang_list_init (&input_file_chain); ---- 1215,1231 ---- - /* Build enough state so that the parser can build its tree. */ - - void -! lang_init (bfd_boolean object_only) - { -! if (!object_only) -! obstack_begin (&stat_obstack, 1000); - - stat_ptr = &statement_list; - - output_section_statement_table_init (); - -+ cmdline_lists_init (); -+ - lang_list_init (stat_ptr); - - lang_list_init (&input_file_chain); -*************** lang_init (void) -*** 1230,1239 **** - simpler to re-use working machinery than using a linked list in terms - of code-complexity here in ld, besides the initialization which just - looks like other code here. */ -! if (!bfd_hash_table_init_n (&lang_definedness_table, -! lang_definedness_newfunc, -! sizeof (struct lang_definedness_hash_entry), -! 3)) - einfo (_("%P%F: can not create hash table: %E\n")); - } - ---- 1244,1254 ---- - simpler to re-use working machinery than using a linked list in terms - of code-complexity here in ld, besides the initialization which just - looks like other code here. */ -! if (!object_only -! && !bfd_hash_table_init_n (&lang_definedness_table, -! lang_definedness_newfunc, -! sizeof (struct lang_definedness_hash_entry), -! 3)) - einfo (_("%P%F: can not create hash table: %E\n")); - } - -*************** load_symbols (lang_input_statement_type -*** 2769,2774 **** ---- 2784,2795 ---- - loaded = FALSE; - } - -+ if (link_info.emitting_gnu_object_only) -+ { -+ if (!cmdline_on_object_only_archive_list_p (member)) -+ continue; -+ } -+ - subsbfd = member; - if (!(*link_info.callbacks - ->add_archive_element) (&link_info, member, -*************** lang_process (void) -*** 6659,6665 **** ---- 6680,6716 ---- - open_input_bfds (statement_list.head, OPEN_BFD_RESCAN); - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ if (link_info.relocatable) -+ { -+ /* Check if .gnu_object_only section should be created. */ -+ bfd *p; -+ int object_type; -+ -+ object_type = 0; -+ for (p = link_info.input_bfds; p != (bfd *) NULL; p = p->link_next) -+ { -+ object_type |= 1 << p->lto_type; -+ if ((object_type & (1 << lto_mixed_object)) != 0 -+ || ((object_type -+ & (1 << lto_non_ir_object -+ | 1 << lto_ir_object)) -+ == (1 << lto_non_ir_object | 1 << lto_ir_object))) -+ { -+ link_info.emit_gnu_object_only = TRUE; -+ break; -+ } -+ } -+ -+ if (trace_files -+ && (cmdline_object_only_file_list.head -+ || cmdline_object_only_archive_list.head)) -+ { -+ print_cmdline_list (cmdline_object_only_file_list.head); -+ print_cmdline_list (cmdline_object_only_archive_list.head); -+ } -+ } - - link_info.gc_sym_list = &entry_symbol; - if (entry_symbol.name == NULL) -*************** lang_ld_feature (char *str) -*** 8059,8061 **** ---- 8111,9071 ---- - p = q; - } - } -+ -+ static void -+ cmdline_lists_init (void) -+ { -+ cmdline_object_only_file_list.tail -+ = &cmdline_object_only_file_list.head; -+ cmdline_object_only_archive_list.tail -+ = &cmdline_object_only_archive_list.head; -+ cmdline_temp_object_only_list.tail -+ = &cmdline_temp_object_only_list.head; -+ } -+ -+ /* Allocate an item with TYPE and DATA. */ -+ -+ static cmdline_union_type * -+ cmdline_list_new (cmdline_enum_type type, void *data) -+ { -+ cmdline_union_type *new_opt; -+ -+ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); -+ new_opt->header.type = type; -+ switch (type) -+ { -+ default: -+ break; -+ case cmdline_is_file_enum: -+ new_opt->file.filename = (const char *) data; -+ break; -+ case cmdline_is_bfd_enum: -+ new_opt->abfd.abfd = (bfd *) data; -+ break; -+ } -+ return new_opt; -+ } -+ -+ /* Append an item with TYPE and DATA to LIST. */ -+ -+ static void -+ cmdline_list_append (cmdline_list_type *list, cmdline_enum_type type, -+ void *data) -+ { -+ cmdline_union_type *new_opt = cmdline_list_new (type, data); -+ new_opt->header.next = NULL; -+ *list->tail = new_opt; -+ list->tail = &new_opt->header.next; -+ } -+ -+ static void -+ print_cmdline_list (cmdline_union_type *c) -+ { -+ for (; c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ info_msg (" %s", c->file.filename); -+ break; -+ case cmdline_is_bfd_enum: -+ info_msg (" [%B]", c->abfd.abfd); -+ break; -+ } -+ -+ info_msg ("\n"); -+ } -+ -+ /* Return TRUE if ABFD is on cmdline_object_only_archive_list. */ -+ -+ static bfd_boolean -+ cmdline_on_object_only_archive_list_p (bfd *abfd) -+ { -+ cmdline_union_type *c, *next; -+ bfd *archive, *obfd, *oarchive; -+ ufile_ptr origin = abfd->origin; -+ -+ archive = bfd_my_archive (abfd); -+ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ obfd = c->abfd.abfd; -+ oarchive = bfd_my_archive (obfd); -+ -+ /* The list is grouped by archive file name and sorted by member -+ origin. */ -+ if (strcmp (archive->filename, oarchive->filename) != 0) -+ continue; -+ -+ if (origin == obfd->origin) -+ return TRUE; -+ else if (origin < obfd->origin) -+ return FALSE; -+ } -+ -+ return FALSE; -+ } -+ -+ /* Append an item with TYPE and DATA to cmdline_object_only_file_list -+ or cmdline_object_only_archive_list if needed. */ -+ -+ static void -+ cmdline_object_only_list_append (cmdline_enum_type type, void *data) -+ { -+ cmdline_union_type *c; -+ cmdline_union_type *new_opt, *next, **prev; -+ bfd *abfd, *archive; -+ bfd *obfd, *oarchive; -+ bfd *nbfd, *narchive; -+ ufile_ptr origin, norigin; -+ -+ /* Put it on cmdline_object_only_file_list if it isn't an archive -+ member. */ -+ switch (type) -+ { -+ default: -+ abort (); -+ case cmdline_is_bfd_enum: -+ abfd = (bfd *) data; -+ archive = bfd_my_archive (abfd); -+ if (archive) -+ break; -+ case cmdline_is_file_enum: -+ cmdline_list_append (&cmdline_object_only_file_list, type, data); -+ return; -+ } -+ -+ /* Put archive member on cmdline_object_only_archive_list and sort -+ the list by archive name and archive member origin. */ -+ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); -+ new_opt->header.type = cmdline_is_bfd_enum; -+ new_opt->header.next = NULL; -+ new_opt->abfd.abfd = (bfd *) data; -+ -+ c = cmdline_object_only_archive_list.head; -+ if (c == NULL) -+ { -+ cmdline_object_only_archive_list.head = new_opt; -+ cmdline_object_only_archive_list.tail = &new_opt->header.next; -+ return; -+ } -+ -+ prev = NULL; -+ origin = abfd->origin; -+ for (; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ -+ obfd = c->abfd.abfd; -+ oarchive = bfd_my_archive (obfd); -+ -+ if (strcmp (archive->filename, oarchive->filename) == 0) -+ { -+ bfd_boolean after; -+ -+ if (origin < obfd->origin) -+ { -+ /* Insert it before the current. */ -+ new_opt->header.next = c; -+ if (prev) -+ *prev = new_opt; -+ else -+ cmdline_object_only_archive_list.head = new_opt; -+ return; -+ } -+ -+ after = TRUE; -+ -+ /* Check origin. */ -+ while (next) -+ { -+ if (next->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ nbfd = next->abfd.abfd; -+ norigin = nbfd->origin; -+ if (origin > norigin) -+ { -+ /* Insert it after NEXT. */ -+ break; -+ } -+ -+ narchive = bfd_my_archive (nbfd); -+ if (strcmp (archive->filename, narchive->filename) != 0) -+ { -+ /* Insert it befor NEXT. */ -+ after = FALSE; -+ break; -+ } -+ -+ c = next; -+ next = next->header.next; -+ } -+ -+ if (after && next) -+ { -+ c = next; -+ next = next->header.next; -+ } -+ -+ if (*cmdline_object_only_archive_list.tail == c->header.next) -+ cmdline_object_only_archive_list.tail -+ = &new_opt->header.next; -+ -+ prev = &c->header.next; -+ new_opt->header.next = next; -+ *prev = new_opt; -+ return; -+ } -+ -+ prev = &c->header.next; -+ } -+ -+ *cmdline_object_only_archive_list.tail = new_opt; -+ cmdline_object_only_archive_list.tail = &new_opt->header.next; -+ } -+ -+ -+ static void -+ cmdline_get_object_only_input_files (void) -+ { -+ cmdline_union_type *c, *next; -+ bfd *abfd, *archive; -+ bfd *nbfd, *narchive; -+ -+ /* Add files first. */ -+ for (c = cmdline_object_only_file_list.head; -+ c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ lang_add_input_file (c->file.filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ case cmdline_is_bfd_enum: -+ abfd = c->abfd.abfd; -+ if (bfd_my_archive (abfd)) -+ abort (); -+ lang_add_input_file (abfd->filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ } -+ -+ /* Add archive members next. */ -+ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ -+ abfd = c->abfd.abfd; -+ archive = bfd_my_archive (abfd); -+ -+ /* Add the first archive of the archive member group. */ -+ lang_add_input_file (archive->filename, -+ lang_input_file_is_file_enum, NULL); -+ -+ /* Skip the rest members in the archive member group. */ -+ do -+ { -+ if (!next) -+ break; -+ -+ if (next->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = next->header.next; -+ if (!next) -+ break; -+ nbfd = next->abfd.abfd; -+ narchive = bfd_my_archive (nbfd); -+ } -+ while (strcmp (archive->filename, narchive->filename) == 0); -+ } -+ } -+ -+ struct cmdline_arg -+ { -+ bfd *obfd; -+ asymbol **isympp; -+ int status; -+ }; -+ -+ /* Create a section in OBFD with the same -+ name and attributes as ISECTION in IBFD. */ -+ -+ static void -+ setup_section (bfd *ibfd, sec_ptr isection, void *p) -+ { -+ struct cmdline_arg *arg = (struct cmdline_arg *) p; -+ bfd *obfd = arg->obfd; -+ asymbol **isympp = arg->isympp; -+ const char *name = isection->name; -+ sec_ptr osection; -+ const char *err; -+ -+ /* Skip the object-only section. */ -+ if (ibfd->object_only_section == isection) -+ return; -+ -+ /* If we have already failed earlier on, do not keep on generating -+ complaints now. */ -+ if (arg->status) -+ return; -+ -+ osection = bfd_make_section_anyway_with_flags (obfd, name, -+ isection->flags); -+ -+ if (osection == NULL) -+ { -+ err = _("failed to create output section"); -+ goto loser; -+ } -+ -+ osection->size = isection->size; -+ osection->vma = isection->vma; -+ osection->lma = isection->lma; -+ osection->alignment_power = isection->alignment_power; -+ -+ /* Copy merge entity size. */ -+ osection->entsize = isection->entsize; -+ -+ /* This used to be mangle_section; we do here to avoid using -+ bfd_get_section_by_name since some formats allow multiple -+ sections with the same name. */ -+ isection->output_section = osection; -+ isection->output_offset = 0; -+ -+ if ((isection->flags & SEC_GROUP) != 0) -+ { -+ asymbol *gsym = bfd_group_signature (isection, isympp); -+ -+ if (gsym != NULL) -+ { -+ gsym->flags |= BSF_KEEP; -+ if (ibfd->xvec->flavour == bfd_target_elf_flavour) -+ elf_group_id (isection) = gsym; -+ } -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input section to the output section. */ -+ if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) -+ { -+ err = _("failed to copy private data"); -+ goto loser; -+ } -+ -+ /* All went well. */ -+ return; -+ -+ loser: -+ arg->status = 1; -+ einfo (_("%P%F: setup_section: %s: %s\n"), err, name); -+ } -+ -+ /* Copy the data of input section ISECTION of IBFD -+ to an output section with the same name in OBFD. -+ If stripping then don't copy any relocation info. */ -+ -+ static void -+ copy_section (bfd *ibfd, sec_ptr isection, void *p) -+ { -+ struct cmdline_arg *arg = (struct cmdline_arg *) p; -+ bfd *obfd = arg->obfd; -+ asymbol **isympp = arg->isympp; -+ arelent **relpp; -+ long relcount; -+ sec_ptr osection; -+ bfd_size_type size; -+ long relsize; -+ flagword flags; -+ const char *err; -+ -+ /* Skip the object-only section. */ -+ if (ibfd->object_only_section == isection) -+ return; -+ -+ /* If we have already failed earlier on, do not keep on generating -+ complaints now. */ -+ if (arg->status) -+ return; -+ -+ flags = bfd_get_section_flags (ibfd, isection); -+ if ((flags & SEC_GROUP) != 0) -+ return; -+ -+ osection = isection->output_section; -+ size = bfd_get_section_size (isection); -+ -+ if (size == 0 || osection == 0) -+ return; -+ -+ relsize = bfd_get_reloc_upper_bound (ibfd, isection); -+ -+ if (relsize < 0) -+ { -+ /* Do not complain if the target does not support relocations. */ -+ if (relsize == -1 -+ && bfd_get_error () == bfd_error_invalid_operation) -+ relsize = 0; -+ else -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ } -+ -+ if (relsize == 0) -+ bfd_set_reloc (obfd, osection, NULL, 0); -+ else -+ { -+ relpp = (arelent **) xmalloc (relsize); -+ relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); -+ if (relcount < 0) -+ { -+ err = _("relocation count is negative"); -+ goto loser; -+ } -+ -+ bfd_set_reloc (obfd, osection, -+ relcount == 0 ? NULL : relpp, relcount); -+ if (relcount == 0) -+ free (relpp); -+ } -+ -+ if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) -+ { -+ bfd_byte *memhunk = NULL; -+ -+ if (!bfd_get_full_section_contents (ibfd, isection, &memhunk)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ free (memhunk); -+ } -+ -+ /* All went well. */ -+ return; -+ -+ loser: -+ einfo (_("%P%F: copy_section: %s: %s\n"), err, isection->name); -+ } -+ /* Open the temporary bfd created in the same directory as PATH. */ -+ -+ static bfd * -+ cmdline_fopen_temp (const char *path, const char *target, -+ const char *mode) -+ { -+ #define template "ldXXXXXX" -+ const char *slash = strrchr (path, '/'); -+ char *tmpname; -+ size_t len; -+ int fd; -+ -+ #ifdef HAVE_DOS_BASED_FILE_SYSTEM -+ { -+ /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ -+ char *bslash = strrchr (path, '\\'); -+ -+ if (slash == NULL || (bslash != NULL && bslash > slash)) -+ slash = bslash; -+ if (slash == NULL && path[0] != '\0' && path[1] == ':') -+ slash = path + 1; -+ } -+ #endif -+ -+ if (slash != (char *) NULL) -+ { -+ len = slash - path; -+ tmpname = (char *) xmalloc (len + sizeof (template) + 2); -+ memcpy (tmpname, path, len); -+ -+ #ifdef HAVE_DOS_BASED_FILE_SYSTEM -+ /* If tmpname is "X:", appending a slash will make it a root -+ directory on drive X, which is NOT the same as the current -+ directory on drive X. */ -+ if (len == 2 && tmpname[1] == ':') -+ tmpname[len++] = '.'; -+ #endif -+ tmpname[len++] = '/'; -+ } -+ else -+ { -+ tmpname = (char *) xmalloc (sizeof (template)); -+ len = 0; -+ } -+ -+ memcpy (tmpname + len, template, sizeof (template)); -+ #undef template -+ -+ #ifdef HAVE_MKSTEMP -+ fd = mkstemp (tmpname); -+ #else -+ tmpname = mktemp (tmpname); -+ if (tmpname == NULL) -+ return NULL; -+ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); -+ #endif -+ if (fd == -1) -+ return NULL; -+ return bfd_fopen (tmpname, target, mode, fd); -+ } -+ -+ /* Add the object-only section. */ -+ -+ static void -+ cmdline_add_object_only_section (bfd_byte *contents, size_t size) -+ { -+ bfd_vma start; -+ flagword flags; -+ enum bfd_architecture iarch; -+ unsigned int imach; -+ long symcount; -+ long symsize; -+ asymbol **isympp = NULL; -+ asymbol **osympp = NULL; -+ bfd *obfd = NULL, *ibfd; -+ const char *err; -+ struct arg -+ { -+ bfd *obfd; -+ asymbol **isympp; -+ int status; -+ } arg; -+ char **matching; -+ const char *ofilename = NULL; -+ asection *sec; -+ -+ ibfd = bfd_openr (output_filename, output_target); -+ if (!ibfd) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ if (!bfd_check_format_matches (ibfd, bfd_object, &matching)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ obfd = cmdline_fopen_temp (output_filename, output_target, "w"); -+ if (!obfd) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ ofilename = bfd_get_filename (obfd); -+ -+ if (!bfd_set_format (obfd, bfd_object)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ /* Copy the start address, flags and architecture of input file to -+ output file. */ -+ flags = bfd_get_file_flags (ibfd); -+ start = bfd_get_start_address (ibfd); -+ iarch = bfd_get_arch (ibfd); -+ imach = bfd_get_mach (ibfd); -+ if (!bfd_set_start_address (obfd, start) -+ || !bfd_set_file_flags (obfd, flags) -+ || !bfd_set_arch_mach (obfd, iarch, imach)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ symsize = bfd_get_symtab_upper_bound (ibfd); -+ if (symsize < 0) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ isympp = (asymbol **) xmalloc (symsize); -+ symcount = bfd_canonicalize_symtab (ibfd, isympp); -+ if (symcount < 0) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ arg.obfd = obfd; -+ arg.isympp = isympp; -+ arg.status = 0; -+ -+ /* BFD mandates that all output sections be created and sizes set before -+ any output is done. Thus, we traverse all sections multiple times. */ -+ bfd_map_over_sections (ibfd, setup_section, &arg); -+ -+ if (arg.status) -+ { -+ err = _("error setting up sections"); -+ goto loser; -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input section to the output section. */ -+ if (! bfd_copy_private_header_data (ibfd, obfd)) -+ { -+ err = _("error copying private header data"); -+ goto loser; -+ } -+ -+ /* Create the object-only section. */ -+ sec = bfd_make_section_with_flags (obfd, -+ GNU_OBJECT_ONLY_SECTION_NAME, -+ (SEC_HAS_CONTENTS -+ | SEC_READONLY -+ | SEC_DATA -+ | SEC_LINKER_CREATED)); -+ if (sec == NULL) -+ { -+ err = _("can't create object-only section"); -+ goto loser; -+ } -+ -+ if (! bfd_set_section_size (obfd, sec, size)) -+ { -+ err = _("can't set object-only section size"); -+ goto loser; -+ } -+ -+ if (ibfd->object_only_section) -+ { -+ /* Filter out the object-only section symbol. */ -+ long src_count = 0, dst_count = 0; -+ asymbol **from, **to; -+ -+ osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); -+ from = isympp; -+ to = osympp; -+ for (; src_count < symcount; src_count++) -+ { -+ asymbol *sym = from[src_count]; -+ if (bfd_get_section (sym) != ibfd->object_only_section) -+ to[dst_count++] = sym; -+ } -+ to[dst_count] = NULL; -+ symcount = dst_count; -+ bfd_set_symtab (obfd, osympp, symcount); -+ } -+ else -+ bfd_set_symtab (obfd, isympp, symcount); -+ -+ /* This has to happen after the symbol table has been set. */ -+ bfd_map_over_sections (ibfd, copy_section, &arg); -+ -+ if (arg.status) -+ { -+ err = _("error copying sections"); -+ goto loser; -+ } -+ -+ /* Copy the object-only section to the output. */ -+ if (! bfd_set_section_contents (obfd, sec, contents, 0, size)) -+ { -+ err = _("error adding object-only section"); -+ goto loser; -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input BFD to the output BFD. This is done last to -+ permit the routine to look at the filtered symbol table, which is -+ important for the ECOFF code at least. */ -+ if (! bfd_copy_private_bfd_data (ibfd, obfd)) -+ { -+ err = _("error copying private BFD data"); -+ goto loser; -+ } -+ -+ if (!bfd_close (obfd)) -+ { -+ unlink (ofilename); -+ einfo (_("%P%F: failed to finish output with object-only section\n")); -+ } -+ -+ /* Must be freed after bfd_close (). */ -+ free (isympp); -+ if (osympp) -+ free (osympp); -+ -+ if (rename (ofilename, output_filename)) -+ { -+ unlink (ofilename); -+ einfo (_("%P%F: failed to rename output with object-only section\n")); -+ } -+ -+ return; -+ -+ loser: -+ if (isympp) -+ free (isympp); -+ if (osympp) -+ free (osympp); -+ if (obfd) -+ bfd_close (obfd); -+ if (ofilename) -+ unlink (ofilename); -+ einfo (_("%P%F: failed to add object-only section: %s\n"), err); -+ } -+ -+ /* Emit the final output with object-only section. */ -+ -+ void -+ cmdline_emit_object_only_section (void) -+ { -+ const char *saved_output_filename = output_filename; -+ int fd; -+ size_t size, off; -+ bfd_byte *contents; -+ struct stat st; -+ -+ /* Get a temporary object-only file. */ -+ output_filename = make_temp_file (".obj-only.o"); -+ -+ had_output_filename = FALSE; -+ link_info.input_bfds = NULL; -+ link_info.input_bfds_tail = &link_info.input_bfds; -+ -+ lang_init (TRUE); -+ -+ ld_parse_linker_script (); -+ -+ /* Set up the object-only output. */ -+ lang_final (); -+ -+ /* Open the object-only file for output. */ -+ lang_for_each_statement (ldlang_open_output); -+ -+ ldemul_create_output_section_statements (); -+ -+ if (!bfd_section_already_linked_table_init ()) -+ einfo (_("%P%F: Failed to create hash table\n")); -+ -+ /* Call cmdline_on_object_only_archive_list_p to check which member -+ should be loaded. */ -+ input_flags.whole_archive = TRUE; -+ -+ /* Set it to avoid adding more to cmdline lists. */ -+ link_info.emitting_gnu_object_only = TRUE; -+ -+ cmdline_get_object_only_input_files (); -+ -+ open_input_bfds (statement_list.head, FALSE); -+ -+ ldemul_after_open (); -+ -+ bfd_section_already_linked_table_free (); -+ -+ /* Make sure that we're not mixing architectures. We call this -+ after all the input files have been opened, but before we do any -+ other processing, so that any operations merge_private_bfd_data -+ does on the output file will be known during the rest of the -+ link. */ -+ lang_check (); -+ -+ /* Size up the common data. */ -+ lang_common (); -+ -+ /* Update wild statements. */ -+ update_wild_statements (statement_list.head); -+ -+ /* Run through the contours of the script and attach input sections -+ to the correct output sections. */ -+ map_input_to_output_sections (statement_list.head, NULL, NULL); -+ -+ /* Find any sections not attached explicitly and handle them. */ -+ lang_place_orphans (); -+ -+ /* Do anything special before sizing sections. This is where ELF -+ and other back-ends size dynamic sections. */ -+ ldemul_before_allocation (); -+ -+ /* Size up the sections. */ -+ lang_size_sections (NULL, ! RELAXATION_ENABLED); -+ -+ /* See if anything special should be done now we know how big -+ everything is. This is where relaxation is done. */ -+ ldemul_after_allocation (); -+ -+ ldemul_finish (); -+ -+ /* Make sure that the section addresses make sense. */ -+ if (command_line.check_section_addresses) -+ lang_check_section_addresses (); -+ -+ lang_end (); -+ -+ ldwrite (); -+ -+ lang_finish (); -+ -+ if (! bfd_close (link_info.output_bfd)) -+ einfo (_("%P%F:%s: final close failed on object-only output: %E\n"), -+ output_filename); -+ -+ /* Read in the object-only file. */ -+ fd = open (output_filename, O_RDONLY | O_BINARY); -+ if (fd < 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: cannot open object-only output: %E"), -+ output_filename); -+ } -+ -+ /* Get the object-only file size. */ -+ if (fstat (fd, &st) != 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: cannot stat object-only output: %E"), -+ output_filename); -+ } -+ -+ size = st.st_size; -+ off = 0; -+ contents = (bfd_byte *) xmalloc (size); -+ while (off != size) -+ { -+ ssize_t got; -+ -+ got = read (fd, contents + off, size - off); -+ if (got < 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: read failed on object-only output: %E"), -+ output_filename); -+ } -+ -+ off += got; -+ } -+ -+ close (fd); -+ -+ /* Remove the temporary object-only file. */ -+ unlink (output_filename); -+ -+ output_filename = saved_output_filename; -+ -+ cmdline_add_object_only_section (contents, size); -+ -+ free (contents); -+ } -+ -+ /* Extract the object-only section. */ -+ -+ static const char * -+ cmdline_extract_object_only_section (bfd *abfd) -+ { -+ const char *name = bfd_extract_object_only_section (abfd); -+ -+ if (name == NULL) -+ einfo (_("%P%F: cannot extract object-only section from %B: %E"), -+ abfd); -+ -+ /* It should be removed after it is done. */ -+ cmdline_list_append (&cmdline_temp_object_only_list, -+ cmdline_is_file_enum, (void *) name); -+ -+ return name; -+ } -+ -+ /* Check and handle the object-only section. */ -+ -+ void -+ cmdline_check_object_only_section (bfd *abfd, bfd_boolean lto) -+ { -+ const char *filename; -+ -+ if (link_info.emitting_gnu_object_only -+ || abfd->format != bfd_object) -+ return; -+ -+ if (lto) -+ { -+ /* For LTO link, we only need to extract object-only section -+ from the mixed object, add it to input, and put it on LTO -+ claimed output. */ -+ switch (abfd->lto_type) -+ { -+ default: -+ abort (); -+ case lto_mixed_object: -+ filename = cmdline_extract_object_only_section (abfd); -+ lang_add_input_file (filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ case lto_non_ir_object: -+ case lto_ir_object: -+ break; -+ } -+ } -+ else if (link_info.relocatable) -+ { -+ /* For non-LTO relocatable link, we need to append non-IR object -+ file and the object file in object-only section to the object -+ only list. */ -+ switch (abfd->lto_type) -+ { -+ default: -+ abort (); -+ case lto_mixed_object: -+ filename = cmdline_extract_object_only_section (abfd); -+ cmdline_object_only_list_append (cmdline_is_file_enum, -+ (void *) filename); -+ break; -+ case lto_non_ir_object: -+ cmdline_object_only_list_append (cmdline_is_bfd_enum, abfd); -+ break; -+ case lto_ir_object: -+ break; -+ } -+ } -+ } -+ -+ /* Remove temporary object-only files. */ -+ -+ void -+ cmdline_remove_object_only_files (void) -+ { -+ cmdline_union_type *c; -+ -+ #ifdef ENABLE_PLUGINS -+ if (plugin_save_temps) -+ return; -+ #endif -+ -+ c = cmdline_temp_object_only_list.head; -+ for (; c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ unlink (c->file.filename); -+ break; -+ } -+ } -+ -+ -+ -diff -cpr ../binutils-2.23.2.orig/ld/ldlang.h ld/ldlang.h -*** ../binutils-2.23.2.orig/ld/ldlang.h 2013-05-14 16:39:36.861718097 +0100 ---- ld/ldlang.h 2013-05-14 16:40:07.053718934 +0100 -*************** extern lang_statement_list_type input_fi -*** 488,494 **** - extern int lang_statement_iteration; - - extern void lang_init -! (void); - extern void lang_finish - (void); - extern lang_memory_region_type * lang_memory_region_lookup ---- 488,494 ---- - extern int lang_statement_iteration; - - extern void lang_init -! (bfd_boolean); - extern void lang_finish - (void); - extern lang_memory_region_type * lang_memory_region_lookup -*************** ldlang_override_segment_assignment -*** 664,667 **** ---- 664,708 ---- - extern void - lang_ld_feature (char *); - -+ typedef enum -+ { -+ cmdline_is_file_enum, -+ cmdline_is_bfd_enum -+ } cmdline_enum_type; -+ -+ typedef struct cmdline_header_struct -+ { -+ union cmdline_union *next; -+ cmdline_enum_type type; -+ } cmdline_header_type; -+ -+ typedef struct cmdline_file_struct -+ { -+ cmdline_header_type header; -+ const char *filename; -+ } cmdline_file_type; -+ -+ typedef struct cmdline_bfd_struct -+ { -+ cmdline_header_type header; -+ bfd *abfd; -+ } cmdline_bfd_type; -+ -+ typedef union cmdline_union -+ { -+ cmdline_header_type header; -+ cmdline_file_type file; -+ cmdline_bfd_type abfd; -+ } cmdline_union_type; -+ -+ typedef struct cmdline_list -+ { -+ cmdline_union_type *head; -+ cmdline_union_type **tail; -+ } cmdline_list_type; -+ -+ extern void cmdline_emit_object_only_section (void); -+ extern void cmdline_check_object_only_section (bfd *, bfd_boolean); -+ extern void cmdline_remove_object_only_files (void); -+ - #endif -diff -cpr ../binutils-2.23.2.orig/ld/ldlex.h ld/ldlex.h -*** ../binutils-2.23.2.orig/ld/ldlex.h 2013-05-14 16:39:39.789718178 +0100 ---- ld/ldlex.h 2013-05-14 16:47:18.651730898 +0100 -*************** enum option_values -*** 133,138 **** ---- 133,139 ---- - #ifdef ENABLE_PLUGINS - OPTION_PLUGIN, - OPTION_PLUGIN_OPT, -+ OPTION_PLUGIN_SAVE_TEMPS, - #endif /* ENABLE_PLUGINS */ - OPTION_DEFAULT_SCRIPT, - OPTION_PRINT_OUTPUT_FORMAT, -diff -cpr ../binutils-2.23.2.orig/ld/ldmain.c ld/ldmain.c -*** ../binutils-2.23.2.orig/ld/ldmain.c 2013-05-14 16:39:36.862718097 +0100 ---- ld/ldmain.c 2013-05-14 16:40:07.055718934 +0100 -*************** main (int argc, char **argv) -*** 219,224 **** ---- 219,227 ---- - - xatexit (ld_cleanup); - -+ /* Remove temporary object-only files. */ -+ xatexit (cmdline_remove_object_only_files); -+ - /* Set up the sysroot directory. */ - ld_sysroot = get_sysroot (argc, argv); - if (*ld_sysroot) -*************** main (int argc, char **argv) -*** 295,301 **** - default_target = ldemul_choose_target (argc, argv); - config.maxpagesize = bfd_emul_get_maxpagesize (default_target); - config.commonpagesize = bfd_emul_get_commonpagesize (default_target); -! lang_init (); - ldemul_before_parse (); - lang_has_input_file = FALSE; - parse_args (argc, argv); ---- 298,304 ---- - default_target = ldemul_choose_target (argc, argv); - config.maxpagesize = bfd_emul_get_maxpagesize (default_target); - config.commonpagesize = bfd_emul_get_commonpagesize (default_target); -! lang_init (FALSE); - ldemul_before_parse (); - lang_has_input_file = FALSE; - parse_args (argc, argv); -*************** main (int argc, char **argv) -*** 310,343 **** - - ldemul_set_symbols (); - -! /* If we have not already opened and parsed a linker script, -! try the default script from command line first. */ -! if (saved_script_handle == NULL -! && command_line.default_script != NULL) -! { -! ldfile_open_command_file (command_line.default_script); -! parser_input = input_script; -! yyparse (); -! } -! -! /* If we have not already opened and parsed a linker script -! read the emulation's appropriate default script. */ -! if (saved_script_handle == NULL) -! { -! int isfile; -! char *s = ldemul_get_script (&isfile); -! -! if (isfile) -! ldfile_open_default_command_file (s); -! else -! { -! lex_string = s; -! lex_redirect (s, _("built in linker script"), 1); -! } -! parser_input = input_script; -! yyparse (); -! lex_string = NULL; -! } - - if (verbose) - { ---- 313,319 ---- - - ldemul_set_symbols (); - -! ld_parse_linker_script (); - - if (verbose) - { -*************** main (int argc, char **argv) -*** 444,449 **** ---- 420,427 ---- - if (! bfd_close (link_info.output_bfd)) - einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd); - -+ link_info.output_bfd = NULL; -+ - /* If the --force-exe-suffix is enabled, and we're making an - executable file and it doesn't end in .exe, copy it to one - which does. */ -*************** main (int argc, char **argv) -*** 490,495 **** ---- 468,476 ---- - } - } - -+ if (link_info.emit_gnu_object_only) -+ cmdline_emit_object_only_section (); -+ - END_PROGRESS (program_name); - - if (config.stats) -*************** add_archive_element (struct bfd_link_inf -*** 779,785 **** ---- 760,768 ---- - } - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ cmdline_check_object_only_section (input->the_bfd, FALSE); - - ldlang_add_file (input); - -*************** warning_callback (struct bfd_link_info * -*** 1152,1158 **** - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -! else - { - struct warning_callback_info cinfo; - ---- 1135,1141 ---- - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -! else if ((abfd->flags & BFD_PLUGIN) == 0) - { - struct warning_callback_info cinfo; - -*************** notice (struct bfd_link_info *info, -*** 1459,1461 **** ---- 1442,1479 ---- - - return TRUE; - } -+ -+ /* Parse the linker script. */ -+ -+ void -+ ld_parse_linker_script () -+ { -+ /* If we have not already opened and parsed a linker script, -+ try the default script from command line first. */ -+ if (saved_script_handle == NULL -+ && command_line.default_script != NULL) -+ { -+ ldfile_open_command_file (command_line.default_script); -+ parser_input = input_script; -+ yyparse (); -+ } -+ -+ /* If we have not already opened and parsed a linker script -+ read the emulation's appropriate default script. */ -+ if (saved_script_handle == NULL) -+ { -+ int isfile; -+ char *s = ldemul_get_script (&isfile); -+ -+ if (isfile) -+ ldfile_open_default_command_file (s); -+ else -+ { -+ lex_string = s; -+ lex_redirect (s, _("built in linker script"), 1); -+ } -+ parser_input = input_script; -+ yyparse (); -+ lex_string = NULL; -+ } -+ } -diff -cpr ../binutils-2.23.2.orig/ld/ldmain.h ld/ldmain.h -*** ../binutils-2.23.2.orig/ld/ldmain.h 2013-05-14 16:39:39.810718179 +0100 ---- ld/ldmain.h 2013-05-14 16:40:07.055718934 +0100 -*************** extern void add_ysym (const char *); -*** 43,46 **** ---- 43,48 ---- - extern void add_ignoresym (struct bfd_link_info *, const char *); - extern void add_keepsyms_file (const char *); - -+ extern void ld_parse_linker_script (void); -+ - #endif -diff -cpr ../binutils-2.23.2.orig/ld/lexsup.c ld/lexsup.c -*** ../binutils-2.23.2.orig/ld/lexsup.c 2013-05-14 16:39:36.709718093 +0100 ---- ld/lexsup.c 2013-05-14 16:40:07.058718934 +0100 -*************** static const struct ld_option ld_options -*** 168,173 **** ---- 168,176 ---- - '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH }, - { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT}, - '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH }, -+ { {"plugin-save-temps", no_argument, NULL, OPTION_PLUGIN_SAVE_TEMPS}, -+ '\0', NULL, N_("Store plugin intermediate files permanently"), -+ ONE_DASH }, - { {"flto", optional_argument, NULL, OPTION_IGNORE}, - '\0', NULL, N_("Ignored for GCC LTO option compatibility"), - ONE_DASH }, -*************** parse_args (unsigned argc, char **argv) -*** 958,963 **** ---- 961,969 ---- - if (plugin_opt_plugin_arg (optarg)) - einfo(_("%P%F: bad -plugin-opt option\n")); - break; -+ case OPTION_PLUGIN_SAVE_TEMPS: -+ plugin_save_temps = TRUE; -+ break; - #endif /* ENABLE_PLUGINS */ - case 'q': - link_info.emitrelocations = TRUE; -diff -cpr ../binutils-2.23.2.orig/ld/plugin.c ld/plugin.c -*** ../binutils-2.23.2.orig/ld/plugin.c 2013-05-14 16:39:37.435718113 +0100 ---- ld/plugin.c 2013-05-14 16:48:59.039733681 +0100 -*************** -*** 39,44 **** ---- 39,47 ---- - /* Report plugin symbols. */ - bfd_boolean report_plugin_symbols; - -+ /* Store plugin intermediate files permanently. */ -+ bfd_boolean plugin_save_temps; -+ - /* The suffix to append to the name of the real (claimed) object file - when generating a dummy BFD to hold the IR symbols sent from the - plugin. For cosmetic use only; appears in maps, crefs etc. */ -*************** plugin_opt_plugin_arg (const char *arg) -*** 217,222 **** ---- 220,236 ---- - if (!last_plugin) - return set_plugin_error (_("<no plugin>")); - -+ /* Ignore -pass-through= from GCC driver. */ -+ if (*arg == '-') -+ { -+ const char *p; -+ for (p = arg + 1; p; p++) -+ if (*p != '-') -+ break; -+ if (strncmp (p, "pass-through=", 13) == 0) -+ return 0; -+ } -+ - newarg = xmalloc (sizeof *newarg); - newarg->arg = arg; - newarg->next = NULL; -*************** plugin_maybe_claim (struct ld_plugin_inp -*** 876,881 **** ---- 890,898 ---- - close (file->fd); - if (claimed) - { -+ /* Check object only section. */ -+ cmdline_check_object_only_section (entry->the_bfd, TRUE); -+ - /* Discard the real file's BFD and substitute the dummy one. */ - - /* BFD archive handling caches elements so we can't call -*************** plugin_call_cleanup (void) -*** 929,942 **** - { - if (curplug->cleanup_handler && !curplug->cleanup_done) - { -! enum ld_plugin_status rv; -! curplug->cleanup_done = TRUE; -! called_plugin = curplug; -! rv = (*curplug->cleanup_handler) (); -! called_plugin = NULL; -! if (rv != LDPS_OK) -! info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), -! curplug->name, rv); - dlclose (curplug->dlhandle); - } - curplug = curplug->next; ---- 946,962 ---- - { - if (curplug->cleanup_handler && !curplug->cleanup_done) - { -! if (!plugin_save_temps) -! { -! enum ld_plugin_status rv; -! curplug->cleanup_done = TRUE; -! called_plugin = curplug; -! rv = (*curplug->cleanup_handler) (); -! called_plugin = NULL; -! if (rv != LDPS_OK) -! info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), -! curplug->name, rv); -! } - dlclose (curplug->dlhandle); - } - curplug = curplug->next; -diff -cpr ../binutils-2.23.2.orig/ld/plugin.h ld/plugin.h -*** ../binutils-2.23.2.orig/ld/plugin.h 2013-05-14 16:39:39.705718176 +0100 ---- ld/plugin.h 2013-05-14 16:40:07.059718934 +0100 -*************** -*** 24,29 **** ---- 24,32 ---- - /* Report plugin symbols. */ - extern bfd_boolean report_plugin_symbols; - -+ /* Store plugin intermediate files permanently. */ -+ extern bfd_boolean plugin_save_temps; -+ - /* Set at all symbols read time, to avoid recursively offering the plugin - its own newly-added input files and libs to claim. */ - extern bfd_boolean no_more_claiming; -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/armbpabi.sc ld/scripttempl/armbpabi.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/armbpabi.sc 2013-05-14 16:39:39.758718177 +0100 ---- ld/scripttempl/armbpabi.sc 2013-05-14 16:54:15.657742458 +0100 -*************** INTERP=".interp 0 : { *(.interp) } -*** 30,36 **** - PLT=".plt ${RELOCATING-0} : { *(.plt) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 30,36 ---- - PLT=".plt ${RELOCATING-0} : { *(.plt) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf32sh-symbian.sc ld/scripttempl/elf32sh-symbian.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf32sh-symbian.sc 2013-05-14 16:39:39.759718177 +0100 ---- ld/scripttempl/elf32sh-symbian.sc 2013-05-14 16:40:07.062718934 +0100 -*************** fi -*** 83,89 **** - PLT=".plt : { *(.plt) } :dynamic :dyn" - DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" - RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) }" - test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" - INIT_ARRAY=".init_array ${RELOCATING-0} : - { ---- 83,89 ---- - PLT=".plt : { *(.plt) } :dynamic :dyn" - DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" - RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) *(.gnu_object_only) }" - test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" - INIT_ARRAY=".init_array ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf64hppa.sc ld/scripttempl/elf64hppa.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf64hppa.sc 2013-05-14 16:39:39.733718177 +0100 ---- ld/scripttempl/elf64hppa.sc 2013-05-14 16:55:16.076744133 +0100 -*************** fi -*** 127,133 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 127,133 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf.sc ld/scripttempl/elf.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/elf.sc 2013-05-14 16:54:44.618743261 +0100 -*************** RELA_IPLT=".rela.iplt ${RELOCATING-0} -*** 158,164 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".${SBSS_NAME} ${RELOCATING-0} : - { ---- 158,164 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".${SBSS_NAME} ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elfxtensa.sc ld/scripttempl/elfxtensa.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elfxtensa.sc 2013-05-14 16:39:39.754718177 +0100 ---- ld/scripttempl/elfxtensa.sc 2013-05-14 16:55:44.908744932 +0100 -*************** fi -*** 140,146 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - INIT_LIT=".init.literal 0 : { *(.init.literal) }" - INIT=".init 0 : { *(.init) }" - FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" ---- 140,146 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - INIT_LIT=".init.literal 0 : { *(.init.literal) }" - INIT=".init 0 : { *(.init) }" - FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/mep.sc ld/scripttempl/mep.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/mep.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/mep.sc 2013-05-14 16:56:08.605745589 +0100 -*************** fi -*** 114,120 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 114,120 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/pep.sc ld/scripttempl/pep.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/pep.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/pep.sc 2013-05-14 16:40:07.064718934 +0100 -*************** SECTIONS -*** 154,159 **** ---- 154,160 ---- - *(.drectve) - ${RELOCATING+ *(.note.GNU-stack)} - ${RELOCATING+ *(.gnu.lto_*)} -+ ${RELOCATING+ *(.gnu_object_only)} - } - - .idata ${RELOCATING+BLOCK(__section_alignment__)} : -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/pe.sc ld/scripttempl/pe.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/pe.sc 2013-05-14 16:39:39.758718177 +0100 ---- ld/scripttempl/pe.sc 2013-05-14 16:40:07.064718934 +0100 -*************** SECTIONS -*** 148,153 **** ---- 148,154 ---- - *(.drectve) - ${RELOCATING+ *(.note.GNU-stack)} - ${RELOCATING+ *(.gnu.lto_*)} -+ ${RELOCATING+ *(.gnu_object_only)} - } - - .idata ${RELOCATING+BLOCK(__section_alignment__)} : diff --git a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch new file mode 100644 index 0000000..944f4fd --- /dev/null +++ b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch @@ -0,0 +1,38 @@ +--- a/bfd/opncls.c 2013-03-14 11:25:30.338306122 +0000 ++++ b/bfd/opncls.c 2013-03-14 12:20:21.686397360 +0000 +@@ -1297,6 +1297,8 @@ + bfd_malloc (strlen (debug_file_directory) + 1 + + (canon_dirlen > dirlen ? canon_dirlen : dirlen) + + strlen (".debug/") ++#define FEDORA_LIB_DEBUG_DIR "/usr/lib/debug/" ++ + strlen (FEDORA_LIB_DEBUG_DIR) + strlen ("usr/") + + strlen (base) + + 1); + if (debugfile == NULL) +@@ -1332,6 +1334,26 @@ + if (check_func (debugfile, crc32)) + goto found; + ++ /* Then try in the global debug dir for Fedora libraries. */ ++ sprintf (debugfile, "%s%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); ++ if (separate_debug_file_exists (debugfile, crc32)) ++ { ++ free (base); ++ free (dir); ++ free (canon_dir); ++ return debugfile; ++ } ++ ++ /* Then try in the usr subdirectory of the global debug dir for Fedora libraries. */ ++ sprintf (debugfile, "%s/usr%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); ++ if (separate_debug_file_exists (debugfile, crc32)) ++ { ++ free (base); ++ free (dir); ++ free (canon_dir); ++ return debugfile; ++ } ++ + /* Then try in the global debugfile directory. */ + strcpy (debugfile, debug_file_directory); + dirlen = strlen (debug_file_directory) - 1; diff --git a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 deleted file mode 100644 index 68f0470..0000000 --- a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 +++ /dev/null @@ -1,122 +0,0 @@ -*** ../binutils-2.23.52.0.1.orig/bfd/opncls.c 2013-03-14 11:25:30.338306122 +0000 ---- bfd/opncls.c 2013-03-14 12:20:21.686397360 +0000 -*************** find_separate_debug_file (bfd *abfd, con -*** 1297,1302 **** ---- 1297,1304 ---- - bfd_malloc (strlen (debug_file_directory) + 1 - + (canon_dirlen > dirlen ? canon_dirlen : dirlen) - + strlen (".debug/") -+ #define FEDORA_LIB_DEBUG_DIR "/usr/lib/debug/" -+ + strlen (FEDORA_LIB_DEBUG_DIR) + strlen ("usr/") - + strlen (base) - + 1); - if (debugfile == NULL) -*************** find_separate_debug_file (bfd *abfd, con -*** 1332,1337 **** ---- 1334,1359 ---- - if (check_func (debugfile, crc32)) - goto found; - -+ /* Then try in the global debug dir for Fedora libraries. */ -+ sprintf (debugfile, "%s%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); -+ if (separate_debug_file_exists (debugfile, crc32)) -+ { -+ free (base); -+ free (dir); -+ free (canon_dir); -+ return debugfile; -+ } -+ -+ /* Then try in the usr subdirectory of the global debug dir for Fedora libraries. */ -+ sprintf (debugfile, "%s/usr%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); -+ if (separate_debug_file_exists (debugfile, crc32)) -+ { -+ free (base); -+ free (dir); -+ free (canon_dir); -+ return debugfile; -+ } -+ - /* Then try in the global debugfile directory. */ - strcpy (debugfile, debug_file_directory); - dirlen = strlen (debug_file_directory) - 1; -*** ../binutils-2.23.52.0.1.orig/bfd/dwarf2.c 2013-03-14 11:25:30.608306129 +0000 ---- bfd/dwarf2.c 2013-03-14 13:14:18.102487075 +0000 -*************** find_line (bfd *abfd, -*** 3339,3346 **** ---- 3339,3349 ---- - struct dwarf2_debug *stash; - /* What address are we looking for? */ - bfd_vma addr; -+ /* What is the address without relocation ? */ -+ bfd_vma unrelocated_addr; - struct comp_unit* each; - bfd_vma found = FALSE; -+ bfd_vma possible_find = FALSE; - bfd_boolean do_line; - - *filename_ptr = NULL; -*************** find_line (bfd *abfd, -*** 3380,3385 **** ---- 3383,3394 ---- - else - abort (); - -+ /* If we are dealing with PIC code then the debug information -+ will be based on unrelocated addresses. Since we cannot be -+ sure if this is a PIC address we test both with and without -+ relocation. */ -+ unrelocated_addr = addr; -+ - if (section->output_section) - addr += section->output_section->vma + section->output_offset; - else -*************** find_line (bfd *abfd, -*** 3442,3447 **** ---- 3451,3466 ---- - stash)); - if (found) - goto done; -+ -+ if (! possible_find) -+ possible_find = ((each->arange.high == 0 -+ || comp_unit_contains_address (each, unrelocated_addr)) -+ && comp_unit_find_nearest_line (each, unrelocated_addr, -+ filename_ptr, -+ functionname_ptr, -+ linenumber_ptr, -+ discriminator_ptr, -+ stash)); - } - } - -*************** find_line (bfd *abfd, -*** 3535,3540 **** ---- 3554,3569 ---- - discriminator_ptr, - stash)); - -+ if (! found && ! do_line && ! possible_find) -+ possible_find = ((each->arange.high == 0 -+ || comp_unit_contains_address (each, unrelocated_addr)) -+ && comp_unit_find_nearest_line (each, unrelocated_addr, -+ filename_ptr, -+ functionname_ptr, -+ linenumber_ptr, -+ discriminator_ptr, -+ stash)); -+ - if ((bfd_vma) (stash->info_ptr - stash->sec_info_ptr) - == stash->sec->size) - { -*************** find_line (bfd *abfd, -*** 3552,3557 **** ---- 3581,3588 ---- - if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) - unset_sections (stash); - -+ if (! found) -+ return possible_find; - return found; - } - diff --git a/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch b/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch deleted file mode 100644 index 996bce5..0000000 --- a/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch +++ /dev/null @@ -1,39 +0,0 @@ -https://bugs.gentoo.org/391899 -https://bugs.gentoo.org/393321 - -Make sure the default ELF linker script does the right thing with our customer -PIE+PIC gcc objects (until we get a chance to rename them). - -2011-12-05 Magnus Granberg <zorry(a)gentoo.org>, Alphat-PC <AlphatPC(a)gmail.com> - - * scripttempl/elf.sc: Add support for crtbeginTS.o - ---- a/ld/scripttempl/elf.sc -+++ b/ld/scripttempl/elf.sc -@@ -225,8 +225,8 @@ - if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then - SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))" - SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))" -- CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" -- DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" -+ CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtbeginTS.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" -+ DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtbeginTS.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" - else - SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))" - SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))" -@@ -264,6 +264,7 @@ - - KEEP (*crtbegin.o(.ctors)) - KEEP (*crtbegin?.o(.ctors)) -+ KEEP (*crtbeginTS.o(.ctors)) - - /* We don't want to include the .ctor section from - the crtend.o file until after the sorted ctors. -@@ -280,6 +281,7 @@ - ${CONSTRUCTING+${DTOR_START}} - KEEP (*crtbegin.o(.dtors)) - KEEP (*crtbegin?.o(.dtors)) -+ KEEP (*crtbeginTS.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) diff --git a/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 b/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 deleted file mode 100644 index 92ef150..0000000 --- a/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 +++ /dev/null @@ -1,44 +0,0 @@ -*** ../binutils-2.24.orig/bfd/dwarf2.c 2014-01-28 11:58:02.072737296 +0000 ---- bfd/dwarf2.c 2014-01-28 11:59:38.575739971 +0000 -*************** find_abstract_instance_name (struct comp -*** 2126,2131 **** ---- 2126,2153 ---- - abort (); - - info_ptr = unit->sec_info_ptr + die_ref; -+ -+ /* Now find the CU containing this pointer. */ -+ if (info_ptr >= unit->info_ptr_unit && info_ptr < unit->end_ptr) -+ ; -+ else -+ { -+ /* Check other CUs to see if they contain the abbrev. */ -+ struct comp_unit * u; -+ -+ for (u = unit->prev_unit; u != NULL; u = u->prev_unit) -+ if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr) -+ break; -+ -+ if (u == NULL) -+ for (u = unit->next_unit; u != NULL; u = u->next_unit) -+ if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr) -+ break; -+ -+ if (u) -+ unit = u; -+ /* else FIXME: What do we do now ? */ -+ } - } - else if (attr_ptr->form == DW_FORM_GNU_ref_alt) - { -*************** find_abstract_instance_name (struct comp -*** 2137,2142 **** ---- 2159,2166 ---- - bfd_set_error (bfd_error_bad_value); - return name; - } -+ /* FIXME: Do we need to locate the correct CU, in a similar -+ fashion to the code in the DW_FORM_ref_addr case above ? */ - } - else - info_ptr = unit->info_ptr_unit + die_ref; diff --git a/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch b/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch deleted file mode 100644 index 8c2d37b..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch +++ /dev/null @@ -1,54 +0,0 @@ -commit f44a1f8e513b37bcc52ba9ea0c172c3e94852756 -Author: Christophe Lyon <christophe.lyon(a)st.com> -Date: Tue Jan 14 15:53:50 2014 +0100 - - 2014-01-14 Michael Hudson-Doyle <michael.hudson(a)linaro.org> - Kugan Vivekanandarajah <kugan.vivekanandarajah(a)linaro.org> - - bfd/ - * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Use correct - offset while calculating relocation address. - (elfNN_aarch64_create_small_pltn_entry): Likewise. - (elfNN_aarch64_init_small_plt0_entry): Likewise. - ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3844,7 +3844,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - - value = (symbol_got_offset (input_bfd, h, r_symndx) - + globals->root.sgot->output_section->vma -- + globals->root.sgot->output_section->output_offset); -+ + globals->root.sgot->output_offset); - - value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value, - 0, weak_undef_p); -@@ -3873,10 +3873,9 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - case BFD_RELOC_AARCH64_TLSDESC_LDR: - if (globals->root.sgot == NULL) - return bfd_reloc_notsupported; -- - value = (symbol_tlsdesc_got_offset (input_bfd, h, r_symndx) - + globals->root.sgotplt->output_section->vma -- + globals->root.sgotplt->output_section->output_offset -+ + globals->root.sgotplt->output_offset - + globals->sgotplt_jump_table_size); - - value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value, -@@ -6627,7 +6626,7 @@ elfNN_aarch64_create_small_pltn_entry (struct elf_link_hash_entry *h, - - plt_entry = plt->contents + h->plt.offset; - plt_entry_address = plt->output_section->vma -- + plt->output_section->output_offset + h->plt.offset; -+ + plt->output_offset + h->plt.offset; - gotplt_entry_address = gotplt->output_section->vma + - gotplt->output_offset + got_offset; - -@@ -6934,7 +6933,7 @@ elfNN_aarch64_init_small_plt0_entry (bfd *output_bfd ATTRIBUTE_UNUSED, - + GOT_ENTRY_SIZE * 2); - - plt_base = htab->root.splt->output_section->vma + -- htab->root.splt->output_section->output_offset; -+ htab->root.splt->output_offset; - - /* Fill in the top 21 bits for this: ADRP x16, PLT_GOT + n * 8. - ADRP: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */ diff --git a/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch b/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch deleted file mode 100644 index 64a1d9c..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch +++ /dev/null @@ -1,103 +0,0 @@ -commit 67428c4aa56d4183d0f531e0d752040745a94423 -Author: Will Newton <will.newton(a)linaro.org> -Date: Mon Nov 25 11:07:07 2013 +0000 - - bfd/elfnn-aarch64.c: Fix miscalculation of GOTPLT offset for ifunc syms. - - The .got.plt header size was not being correctly taken into account - when calculating the offset for relocations against ifunc symbols. - - bfd/ChangeLog: - - 2013-11-26 Will Newton <will.newton(a)linaro.org> - - * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Ensure - PLT_INDEX is calculated using correct header size. - - ld/testsuite/ChangeLog: - - 2013-11-26 Will Newton <will.newton(a)linaro.org> - - * ld-aarch64/aarch64-elf.exp: Add ifunc-21 test. - * ld-aarch64/ifunc-21.d: New file. - * ld-aarch64/ifunc-21.s: Likewise. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 6bc414e..3cd3a18 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3589,7 +3589,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - - if (globals->root.splt != NULL) - { -- plt_index = h->plt.offset / globals->plt_entry_size - 1; -+ plt_index = ((h->plt.offset - globals->plt_header_size) / -+ globals->plt_entry_size); - off = (plt_index + 3) * GOT_ENTRY_SIZE; - base_got = globals->root.sgotplt; - } -diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp -index 5c150dd..a6b3ea2 100644 ---- a/ld/testsuite/ld-aarch64/aarch64-elf.exp -+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp -@@ -155,3 +155,4 @@ run_dump_test "ifunc-18b" - run_dump_test "ifunc-19a" - run_dump_test "ifunc-19b" - run_dump_test "ifunc-20" -+run_dump_test "ifunc-21" -diff --git a/ld/testsuite/ld-aarch64/ifunc-21.d b/ld/testsuite/ld-aarch64/ifunc-21.d -new file mode 100644 -index 0000000..fa139b2 ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-21.d -@@ -0,0 +1,31 @@ -+#source: ifunc-21.s -+#ld: -shared -z nocombreloc -+#objdump: -d -s -j .got.plt -j .text -+#target: aarch64*-*-* -+ -+# Ensure the .got.plt slot used is correct -+ -+.*: file format elf64-(little|big)aarch64 -+ -+Contents of section .text: -+ 02a0 .* -+Contents of section .got.plt: -+ 103a8 0+ 0+ 0+ 0+ .* -+ 103b8 0+ 0+ [0-9a-f]+ 0+ .* -+ -+Disassembly of section .text: -+ -+0+2a0 <ifunc>: -+ 2a0: d65f03c0 ret -+ -+0+2a4 <bar>: -+ 2a4: 90000080 adrp x0, 10000 <.*> -+ 2a8: f941e000 ldr x0, \[x0,#960\] -+ 2ac: d65f03c0 ret -+ -+Disassembly of section .got.plt: -+ -+.*: -+.* -+.* -+.* -diff --git a/ld/testsuite/ld-aarch64/ifunc-21.s b/ld/testsuite/ld-aarch64/ifunc-21.s -new file mode 100644 -index 0000000..a1563dc ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-21.s -@@ -0,0 +1,13 @@ -+ .text -+ .type ifunc, @gnu_indirect_function -+ .hidden ifunc -+ifunc: -+ ret -+ .size ifunc, .-ifunc -+ .type bar, @function -+ .globl bar -+bar: -+ adrp x0, :got:ifunc -+ ldr x0, [x0, #:got_lo12:ifunc] -+ ret -+ .size bar, .-bar diff --git a/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch b/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch deleted file mode 100644 index d9157ea..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch +++ /dev/null @@ -1,40 +0,0 @@ -commit 44f814ce5066f10a3bed29c45d10e0d38f4fa433 -Author: Marcus Shawcroft <marcus.shawcroft(a)arm.com> -Date: Tue Apr 15 17:46:07 2014 +0100 - - [AArch64] Fix off by one error in instruction relaxation mask. - - The AArch64 TLSDESC to IE relaxation code uses a bit mask intended to - ensure that destination register in a relaxed ldr instruction is - always X0. The mask has an off by one error resulting in the most - significant bit of the destination register being retained in the - relaxed instruction. The issue generally appears when the compiler - emits TLS accesses code under high register pressure resulting in a - broken code sequence. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 42c83fb..8503419 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3957,7 +3957,7 @@ elfNN_aarch64_tls_relax (struct elf_aarch64_link_hash_table *globals, - ldr xd, [x0, #:tlsdesc_lo12:var] => ldr x0, [x0, #:gottprel_lo12:var] - */ - insn = bfd_getl32 (contents + rel->r_offset); -- insn &= 0xfffffff0; -+ insn &= 0xffffffe0; - bfd_putl32 (insn, contents + rel->r_offset); - return bfd_reloc_continue; - } -diff --git a/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s b/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -index c20690c..38b3721 100644 ---- a/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -+++ b/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -@@ -4,7 +4,7 @@ var: - .word 2 - .text - adrp x0, :tlsdesc:var -- ldr x1, [x0, #:tlsdesc_lo12:var] -+ ldr x17, [x0, #:tlsdesc_lo12:var] - add x0, x0, :tlsdesc_lo12:var - .tlsdesccall var - blr x1 diff --git a/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch b/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch deleted file mode 100644 index 296f162..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch +++ /dev/null @@ -1,118 +0,0 @@ -commit 14d96265dd8fd934d868c0b8e1991e2fefbe9fc8 -Author: Will Newton <will.newton(a)linaro.org> -Date: Mon Nov 25 14:44:59 2013 +0000 - - bfd/elfnn-aarch64.c: Handle static links with ifunc correctly. - - The code for handling GOT references to ifunc symbols in static links - was missing. - - bfd/ChangeLog: - - 2013-11-26 Will Newton <will.newton(a)linaro.org> - - * elfnn-aarch64.c (elfNN_aarch64_finish_dynamic_symbol): - Handle STT_GNU_IFUNC symbols correctly in static links. - - ld/testsuite/ChangeLog: - - 2013-11-26 Will Newton <will.newton(a)linaro.org> - - * ld-aarch64/aarch64-elf.exp: Add ifunc-22. - * ld-aarch64/ifunc-22.d: New file. - * ld-aarch64/ifunc-22.s: Likewise. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 3cd3a18..9053635 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -6824,7 +6824,34 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd, - + htab->root.sgot->output_offset - + (h->got.offset & ~(bfd_vma) 1)); - -- if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h)) -+ if (h->def_regular -+ && h->type == STT_GNU_IFUNC) -+ { -+ if (info->shared) -+ { -+ /* Generate R_AARCH64_GLOB_DAT. */ -+ goto do_glob_dat; -+ } -+ else -+ { -+ asection *plt; -+ -+ if (!h->pointer_equality_needed) -+ abort (); -+ -+ /* For non-shared object, we can't use .got.plt, which -+ contains the real function address if we need pointer -+ equality. We load the GOT entry with the PLT entry. */ -+ plt = htab->root.splt ? htab->root.splt : htab->root.iplt; -+ bfd_put_NN (output_bfd, (plt->output_section->vma -+ + plt->output_offset -+ + h->plt.offset), -+ htab->root.sgot->contents -+ + (h->got.offset & ~(bfd_vma) 1)); -+ return TRUE; -+ } -+ } -+ else if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h)) - { - if (!h->def_regular) - return FALSE; -@@ -6837,6 +6864,7 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd, - } - else - { -+do_glob_dat: - BFD_ASSERT ((h->got.offset & 1) == 0); - bfd_put_NN (output_bfd, (bfd_vma) 0, - htab->root.sgot->contents + h->got.offset); -diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp -index a6b3ea2..692bf34 100644 ---- a/ld/testsuite/ld-aarch64/aarch64-elf.exp -+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp -@@ -156,3 +156,4 @@ run_dump_test "ifunc-19a" - run_dump_test "ifunc-19b" - run_dump_test "ifunc-20" - run_dump_test "ifunc-21" -+run_dump_test "ifunc-22" -diff --git a/ld/testsuite/ld-aarch64/ifunc-22.d b/ld/testsuite/ld-aarch64/ifunc-22.d -new file mode 100644 -index 0000000..f28b039 ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-22.d -@@ -0,0 +1,11 @@ -+#source: ifunc-22.s -+#objdump: -s -j .got -+#ld: -static -+#target: aarch64*-*-* -+ -+# Ensure GOT is populated correctly in static link -+ -+.*: file format elf64-(little|big)aarch64 -+ -+Contents of section \.got: -+ 4100f0 00000000 00000000 d0004000 00000000 ..........@..... -diff --git a/ld/testsuite/ld-aarch64/ifunc-22.s b/ld/testsuite/ld-aarch64/ifunc-22.s -new file mode 100644 -index 0000000..69a87bb ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-22.s -@@ -0,0 +1,14 @@ -+ .text -+ .type ifunc, @gnu_indirect_function -+ .global ifunc -+ifunc: -+ ret -+ .size ifunc, .-ifunc -+ .type _start, @function -+ .globl _start -+_start: -+ adrp x0, :got:ifunc -+ ldr x0, [x0, #:got_lo12:ifunc] -+ .size _start, .-_start -+ .data -+ .xword ifunc diff --git a/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch b/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch deleted file mode 100644 index 8525596..0000000 --- a/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch +++ /dev/null @@ -1,55 +0,0 @@ -commit 273dc279306c2b69fbc1407cc695397e4b015152 -Author: Will Newton <will.newton(a)linaro.org> -Date: Fri May 16 15:22:58 2014 +0100 - - ld/aarch64: xfail non-PIC shared object tests on aarch64 - - aarch64 does not support building non-PIC shared objects, so mark - tests for these as xfail. - - ld/testsuite/ChangeLog: - - 2014-05-20 Will Newton <will.newton(a)linaro.org> - - * ld-shared/shared.exp: Mark non-PIC shared object tests - as xfail on aarch64. - -#-- a/ld/testsuite/ChangeLog -#++ b/ld/testsuite/ChangeLog -#@ -1,3 +1,8 @@ -+2014-05-20 Will Newton <will.newton(a)linaro.org> -+ -+ * ld-shared/shared.exp: Mark non-PIC shared object tests -+ as xfail on aarch64. -+ - 2014-05-19 Andreas Tobler <andreast(a)fgznet.ch> - - * ld-elf/shared.exp: Introduce the extralibs variable to control -diff --git a/ld/testsuite/ld-shared/shared.exp b/ld/testsuite/ld-shared/shared.exp -index 9996ece..c723ef7 100644 ---- a/ld/testsuite/ld-shared/shared.exp -+++ b/ld/testsuite/ld-shared/shared.exp -@@ -244,6 +244,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared - - # Test ELF shared library relocations with a non-zero load -@@ -270,6 +271,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shnp "shared (non PIC, load offset)" \ - mainnp.o sh1np.o sh2np.o shared \ - "-T $srcdir/$subdir/elf-offset.ld" -@@ -326,6 +328,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/m - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared - } - } else { diff --git a/binutils/patches/binutils-2.24-arm-static-tls.patch b/binutils/patches/binutils-2.24-arm-static-tls.patch deleted file mode 100644 index 2b580f1..0000000 --- a/binutils/patches/binutils-2.24-arm-static-tls.patch +++ /dev/null @@ -1,42 +0,0 @@ -commit eea6dad2b3ae91189caa91145dd133bae0398d21 -Author: Kyle McMartin <kyle(a)redhat.com> -Date: Fri Jun 20 11:14:09 2014 +0100 - - Similarly to the AArch64 patch, set DF_STATIC_TLS for consistency with - other architectures when we emit IE relocs in a shared library. - - * elf32-arm.c (elf32_arm_check_relocs): Set DF_STATIC_TLS when - emitting initial-exec relocs when not linking an executable. - ---- a/bfd/elf32-arm.c -+++ b/bfd/elf32-arm.c -@@ -12711,6 +12711,9 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info, - default: tls_type = GOT_NORMAL; break; - } - -+ if (!info->executable && (tls_type & GOT_TLS_IE)) -+ info->flags |= DF_STATIC_TLS; -+ - if (h != NULL) - { - h->got.refcount++; ---- a/ld/testsuite/ld-arm/tls-gdierelax2.d -+++ b/ld/testsuite/ld-arm/tls-gdierelax2.d -@@ -11,13 +11,13 @@ Disassembly of section .text: - [0-9a-f]+: e59f0004 ldr r0, \[pc, #4\] ; .* - [0-9a-f]+: e79f0000 ldr r0, \[pc, r0\] - [0-9a-f]+: e1a00000 nop ; .* -- [0-9a-f]+: 00008098 .word 0x00008098 -- [0-9a-f]+: 0000809c .word 0x0000809c -+ [0-9a-f]+: 000080a0 .word 0x000080a0 -+ [0-9a-f]+: 000080a4 .word 0x000080a4 - - [0-9a-f]+ <bar>: - [0-9a-f]+: 4801 ldr r0, \[pc, #4\] ; .* - [0-9a-f]+: 4478 add r0, pc - [0-9a-f]+: 6800 ldr r0, \[r0, #0\] - [0-9a-f]+: 46c0 nop ; .* -- [0-9a-f]+: 0000808a .word 0x0000808a -- [0-9a-f]+: 0000808c .word 0x0000808c -+ [0-9a-f]+: 00008092 .word 0x00008092 -+ [0-9a-f]+: 00008094 .word 0x00008094 diff --git a/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 b/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 deleted file mode 100644 index 469387b..0000000 --- a/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 +++ /dev/null @@ -1,21 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elfnn-aarch64.c 2013-12-17 11:16:28.723807381 +0000 ---- bfd/elfnn-aarch64.c 2013-12-17 11:18:13.517804067 +0000 -*************** _aarch64_elf_section_data; -*** 1679,1686 **** - #define elf_aarch64_section_data(sec) \ - ((_aarch64_elf_section_data *) elf_section_data (sec)) - -! /* The size of the thread control block. */ -! #define TCB_SIZE 16 - - struct elf_aarch64_local_symbol - { ---- 1679,1686 ---- - #define elf_aarch64_section_data(sec) \ - ((_aarch64_elf_section_data *) elf_section_data (sec)) - -! /* The size of the thread control block which is defined to be two pointers. */ -! #define TCB_SIZE (ARCH_SIZE/8)*2 - - struct elf_aarch64_local_symbol - { diff --git a/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 b/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 deleted file mode 100644 index e02dd51..0000000 --- a/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 +++ /dev/null @@ -1,30 +0,0 @@ -*** ../binutils-2.24.orig/bfd/compress.c 2014-04-28 16:35:20.429816317 +0100 ---- bfd/compress.c 2014-04-28 16:36:06.450963028 +0100 -*************** -*** 25,30 **** ---- 25,31 ---- - #ifdef HAVE_ZLIB_H - #include <zlib.h> - #endif -+ #include "safe-ctype.h" - - #ifdef HAVE_ZLIB_H - static bfd_boolean -*************** bfd_is_section_compressed (bfd *abfd, se -*** 304,309 **** ---- 305,319 ---- - compressed = (bfd_get_section_contents (abfd, sec, compressed_buffer, 0, 12) - && CONST_STRNEQ ((char*) compressed_buffer, "ZLIB")); - -+ /* Check for the pathalogical case of a debug string section that -+ contains the string ZLIB.... as the first entry. We assume that -+ no uncompressed .debug_str section would ever be big enough to -+ have the first byte of its (big-endian) size be non-zero. */ -+ if (compressed -+ && strcmp (sec->name, ".debug_str") == 0 -+ && ISPRINT (compressed_buffer[4])) -+ compressed = FALSE; -+ - /* Restore compress_status. */ - sec->compress_status = saved; - return compressed; diff --git a/binutils/patches/binutils-2.24-fat-lto-objects.patch b/binutils/patches/binutils-2.24-fat-lto-objects.patch deleted file mode 100644 index fe9c334..0000000 --- a/binutils/patches/binutils-2.24-fat-lto-objects.patch +++ /dev/null @@ -1,57 +0,0 @@ -commit b35d44f1af711925bfa4344ef00470fee67122f1 -Author: Kyrylo Tkachov <kyrylo.tkachov(a)arm.com> -Date: Wed Nov 27 13:43:39 2013 +0000 - - [ld/testsuite/] - 2013-11-27 Kyrylo Tkachov <kyrylo.tkachov(a)arm.com> - - * ld-plugin/lto.exp: Add -ffat-lto-objects. - * lib/ld-lib.exp (check_lto_available): Likewise. - ---- a/ld/testsuite/ld-plugin/lto.exp -+++ b/ld/testsuite/ld-plugin/lto.exp -@@ -57,7 +57,7 @@ set lto_link_tests { - "" "-O2" - {lto-3c.c} {} "libdummy.a"} - {"Build liblto-3.a" -- "" "-flto" -+ "" "-flto -ffat-lto-objects" - {lto-3b.c} {} "liblto-3.a"} - {"Build libdummy.a 5a" - "" "-flto" -@@ -111,7 +111,7 @@ set lto_link_tests { - "" "" - {pr12758a.s} {} "libdummy.a"} - {"Build libpr12758.a" -- "" "-flto -O2" -+ "" "-flto -O2 -ffat-lto-objects" - {pr12758b.c} {} "libpr12758.a"} - {"PR ld/12758" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" -@@ -120,13 +120,13 @@ set lto_link_tests { - "" "" - {pr12760a.c} {} "libdummy.a"} - {"Build libpr12760.a" -- "" "-flto -O2" -+ "" "-flto -O2 -ffat-lto-objects" - {pr12760b.c} {} "libpr12760.a"} - {"PR ld/12760" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" - {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"} - {"Build libpr13183.a" -- "-T" "-flto -O2" -+ "-T" "-flto -O2 -ffat-lto-objects" - {pr13183a.c} {} "libpr13183.a"} - {"Build libdummy.a PR ld/13183" - "" "-flto -O2" ---- a/ld/testsuite/lib/ld-lib.exp -+++ b/ld/testsuite/lib/ld-lib.exp -@@ -1643,7 +1643,7 @@ proc check_lto_available { } { - set f [open $src "w"] - puts $f "" - close $f -- set status [remote_exec host $CC "-shared -B[pwd]/tmpdir/ld/ -flto -fuse-linker-plugin $src -o $output"] -+ set status [remote_exec host $CC "-shared -B[pwd]/tmpdir/ld/ -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"] - if { [lindex $status 0] == 0 } { - set lto_available_saved 1 - } else { diff --git a/binutils/patches/binutils-2.24-indirect-chain.patch0 b/binutils/patches/binutils-2.24-indirect-chain.patch0 deleted file mode 100644 index b255424..0000000 --- a/binutils/patches/binutils-2.24-indirect-chain.patch0 +++ /dev/null @@ -1,28 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elflink.c 2014-08-21 09:17:27.753408085 +0100 ---- bfd/elflink.c 2014-08-21 10:04:52.174935912 +0100 -*************** _bfd_elf_add_default_symbol (bfd *abfd, -*** 1705,1710 **** ---- 1705,1716 ---- - ht = (struct elf_link_hash_entry *) hi->root.u.i.link; - (*bed->elf_backend_copy_indirect_symbol) (info, ht, hi); - -+ /* A reference to the SHORTNAME symbol from a dynamic library -+ will be satisfied by the versioned symbol at runtime. In -+ effect, we have a reference to the versioned symbol. */ -+ ht->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; -+ hi->dynamic_def |= ht->dynamic_def; -+ - /* See if the new flags lead us to realize that the symbol must - be dynamic. */ - if (! *dynsym) -*************** nondefault: -*** 1774,1779 **** ---- 1780,1787 ---- - if (hi->root.type == bfd_link_hash_indirect) - { - (*bed->elf_backend_copy_indirect_symbol) (info, h, hi); -+ h->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; -+ hi->dynamic_def |= h->dynamic_def; - - /* See if the new flags lead us to realize that the symbol - must be dynamic. */ diff --git a/binutils/patches/binutils-2.24-ldforcele.patch0 b/binutils/patches/binutils-2.24-ldforcele.patch0 deleted file mode 100644 index 6a46c78..0000000 --- a/binutils/patches/binutils-2.24-ldforcele.patch0 +++ /dev/null @@ -1,58 +0,0 @@ -Common subdirectories: ../binutils-2.24.orig/ld/emulparams and ld/emulparams -Common subdirectories: ../binutils-2.24.orig/ld/emultempl and ld/emultempl -diff -cp ../binutils-2.24.orig/ld/ldlang.c ld/ldlang.c -*** ../binutils-2.24.orig/ld/ldlang.c 2014-05-09 10:35:04.589504928 +0100 ---- ld/ldlang.c 2014-05-09 10:35:55.515661478 +0100 -*************** lang_add_output_format (const char *form -*** 7096,7101 **** ---- 7096,7113 ---- - && little != NULL) - format = little; - -+ if (getenv ("LD_FORCE_LE") != NULL) -+ { -+ if (strcmp (format, "elf64-powerpc") == 0) -+ format = "elf64-powerpcle"; -+ else if (strcmp (format, "elf32-powerpc") == 0) -+ format = "elf32-powerpcle"; -+ else if (strcmp (format, "elf64-big") == 0) -+ format = "elf64-little"; -+ else if (strcmp (format, "elf32-big") == 0) -+ format = "elf32-little"; -+ } -+ - output_target = format; - } - } -Only in ld: ldlang.c.orig -diff -cp ../binutils-2.24.orig/ld/ldmain.c ld/ldmain.c -*** ../binutils-2.24.orig/ld/ldmain.c 2014-05-09 10:35:04.593504941 +0100 ---- ld/ldmain.c 2014-05-09 10:35:55.515661478 +0100 -*************** get_emulation (int argc, char **argv) -*** 603,608 **** ---- 603,620 ---- - } - } - -+ if ((strncmp (emulation, "elf64ppc", 8) == 0 -+ || strncmp (emulation, "elf32ppc", 8) == 0) -+ && getenv ("LD_FORCE_LE") != NULL) -+ { -+ size_t len = strlen (emulation); -+ char *le = xmalloc (len + 2); -+ memcpy (le, emulation, 5); -+ le[5] = 'l'; -+ memcpy (le + 6, emulation + 5, len - 4); -+ emulation = le; -+ } -+ - return emulation; - } - -Only in ld: ldmain.c.orig -Common subdirectories: ../binutils-2.24.orig/ld/ldscripts and ld/ldscripts -Common subdirectories: ../binutils-2.24.orig/ld/.libs and ld/.libs -Common subdirectories: ../binutils-2.24.orig/ld/po and ld/po -Common subdirectories: ../binutils-2.24.orig/ld/scripttempl and ld/scripttempl -Common subdirectories: ../binutils-2.24.orig/ld/testsuite and ld/testsuite -Common subdirectories: ../binutils-2.24.orig/ld/tmpdir and ld/tmpdir diff --git a/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch b/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch deleted file mode 100644 index cfb2035..0000000 --- a/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch +++ /dev/null @@ -1,1030 +0,0 @@ ---- binutils-2.24/bfd/elf-bfd.h -+++ binutils-2.24/bfd/elf-bfd.h -@@ -1577,6 +1577,9 @@ struct elf_obj_tdata - /* Segment flags for the PT_GNU_STACK segment. */ - unsigned int stack_flags; - -+ /* Segment flags for the PT_PAX_FLAGS segment. */ -+ unsigned int pax_flags; -+ - /* This is set to TRUE if the object was created by the backend - linker. */ - bfd_boolean linker; -@@ -1707,6 +1707,7 @@ - #define elf_eh_frame_hdr(bfd) (elf_tdata(bfd) -> o->eh_frame_hdr) - #define elf_linker(bfd) (elf_tdata(bfd) -> o->linker) - #define elf_stack_flags(bfd) (elf_tdata(bfd) -> o->stack_flags) -+#define elf_pax_flags(bfd) (elf_tdata(bfd) -> o->pax_flags) - #define elf_shstrtab(bfd) (elf_tdata(bfd) -> o->strtab_ptr) - #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) - #define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section) ---- binutils-2.24/bfd/elf.c -+++ binutils-2.24/bfd/elf.c -@@ -1158,6 +1158,7 @@ get_segment_type (unsigned int p_type) - case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; - case PT_GNU_STACK: pt = "STACK"; break; - case PT_GNU_RELRO: pt = "RELRO"; break; -+ case PT_PAX_FLAGS: pt = "PAX_FLAGS"; break; - default: pt = NULL; break; - } - return pt; -@@ -2477,6 +2478,9 @@ bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int hdr_index) - case PT_GNU_RELRO: - return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "relro"); - -+ case PT_PAX_FLAGS: -+ return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "pax_flags"); -+ - default: - /* Check for any processor-specific program segment types. */ - bed = get_elf_backend_data (abfd); -@@ -3551,6 +3555,11 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info) - ++segs; - } - -+ { -+ /* We need a PT_PAX_FLAGS segment. */ -+ ++segs; -+ } -+ - for (s = abfd->sections; s != NULL; s = s->next) - { - if ((s->flags & SEC_LOAD) != 0 -@@ -4153,6 +4162,20 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info) - } - } - -+ { -+ amt = sizeof (struct elf_segment_map); -+ m = bfd_zalloc (abfd, amt); -+ if (m == NULL) -+ goto error_return; -+ m->next = NULL; -+ m->p_type = PT_PAX_FLAGS; -+ m->p_flags = elf_pax_flags (abfd); -+ m->p_flags_valid = 1; -+ -+ *pm = m; -+ pm = &m->next; -+ } -+ - free (sections); - elf_tdata (abfd)->segment_map = mfirst; - } -@@ -5417,7 +5440,8 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd) - 6. PT_TLS segment includes only SHF_TLS sections. - 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments. - 8. PT_DYNAMIC should not contain empty sections at the beginning -- (with the possible exception of .dynamic). */ -+ (with the possible exception of .dynamic). -+ 9. PT_PAX_FLAGS segments do not include any sections. */ - #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \ - ((((segment->p_paddr \ - ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ -@@ -5425,6 +5449,7 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd) - && (section->flags & SEC_ALLOC) != 0) \ - || IS_NOTE (segment, section)) \ - && segment->p_type != PT_GNU_STACK \ -+ && segment->p_type != PT_PAX_FLAGS \ - && (segment->p_type != PT_TLS \ - || (section->flags & SEC_THREAD_LOCAL)) \ - && (segment->p_type == PT_LOAD \ ---- binutils-2.24/bfd/elflink.c -+++ binutils-2.24/bfd/elflink.c -@@ -5545,17 +5545,30 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd, - && ! (*bed->elf_backend_always_size_sections) (output_bfd, info)) - return FALSE; - -+ elf_pax_flags (output_bfd) = PF_NORANDEXEC; -+ if (info->execheap) -+ elf_pax_flags (output_bfd) |= PF_NOMPROTECT; -+ else if (info->noexecheap) -+ elf_pax_flags (output_bfd) |= PF_MPROTECT; -+ - /* Determine any GNU_STACK segment requirements, after the backend - has had a chance to set a default segment size. */ - if (info->execstack) -- elf_stack_flags (output_bfd) = PF_R | PF_W | PF_X; -+ { -+ elf_stack_flags (output_bfd) = PF_R | PF_W | PF_X; -+ elf_pax_flags (output_bfd) |= PF_EMUTRAMP; -+ } - else if (info->noexecstack) -- elf_stack_flags (output_bfd) = PF_R | PF_W; -+ { -+ elf_stack_flags (output_bfd) = PF_R | PF_W; -+ elf_pax_flags (output_bfd) |= PF_NOEMUTRAMP; -+ } - else - { - bfd *inputobj; - asection *notesec = NULL; - int exec = 0; - -+ elf_pax_flags (output_bfd) |= PF_NOEMUTRAMP; - for (inputobj = info->input_bfds; - inputobj; - inputobj = inputobj->link_next) -@@ -5567,7 +5581,11 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd, - if (s) - { - if (s->flags & SEC_CODE) -- exec = PF_X; -+ { -+ elf_pax_flags (output_bfd) &= ~PF_NOEMUTRAMP; -+ elf_pax_flags (output_bfd) |= PF_EMUTRAMP; -+ exec = PF_X; -+ } - notesec = s; - } - else if (bed->default_execstack) ---- binutils-2.24/binutils/readelf.c -+++ binutils-2.24/binutils/readelf.c -@@ -2740,6 +2740,7 @@ get_segment_type (unsigned long p_type) - return "GNU_EH_FRAME"; - case PT_GNU_STACK: return "GNU_STACK"; - case PT_GNU_RELRO: return "GNU_RELRO"; -+ case PT_PAX_FLAGS: return "PAX_FLAGS"; - - default: - if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC)) ---- binutils-2.24/include/bfdlink.h -+++ binutils-2.24/include/bfdlink.h -@@ -322,6 +322,14 @@ struct bfd_link_info - /* TRUE if PT_GNU_RELRO segment should be created. */ - unsigned int relro: 1; - -+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_NOMPROTECT -+ flags. */ -+ unsigned int execheap: 1; -+ -+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_MPROTECT -+ flags. */ -+ unsigned int noexecheap: 1; -+ - /* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment - should be created. */ - unsigned int eh_frame_hdr: 1; ---- binutils-2.24/include/elf/common.h -+++ binutils-2.24/include/elf/common.h -@@ -429,6 +429,7 @@ - #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */ - #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */ - #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */ -+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) /* PaX flags */ - - /* Program segment permissions, in program header p_flags field. */ - -@@ -439,6 +440,21 @@ - #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ - #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ - -+/* Flags to control PaX behavior. */ -+ -+#define PF_PAGEEXEC (1 << 4) /* Enable PAGEEXEC */ -+#define PF_NOPAGEEXEC (1 << 5) /* Disable PAGEEXEC */ -+#define PF_SEGMEXEC (1 << 6) /* Enable SEGMEXEC */ -+#define PF_NOSEGMEXEC (1 << 7) /* Disable SEGMEXEC */ -+#define PF_MPROTECT (1 << 8) /* Enable MPROTECT */ -+#define PF_NOMPROTECT (1 << 9) /* Disable MPROTECT */ -+#define PF_RANDEXEC (1 << 10) /* Enable RANDEXEC */ -+#define PF_NORANDEXEC (1 << 11) /* Disable RANDEXEC */ -+#define PF_EMUTRAMP (1 << 12) /* Enable EMUTRAMP */ -+#define PF_NOEMUTRAMP (1 << 13) /* Disable EMUTRAMP */ -+#define PF_RANDMMAP (1 << 14) /* Enable RANDMMAP */ -+#define PF_NORANDMMAP (1 << 15) /* Disable RANDMMAP */ -+ - /* Values for section header, sh_type field. */ - - #define SHT_NULL 0 /* Section header table entry unused */ ---- binutils-2.24/ld/emultempl/elf32.em -+++ binutils-2.24/ld/emultempl/elf32.em -@@ -2285,6 +2285,16 @@ fragment <<EOF - link_info.noexecstack = TRUE; - link_info.execstack = FALSE; - } -+ else if (strcmp (optarg, "execheap") == 0) -+ { -+ link_info.execheap = TRUE; -+ link_info.noexecheap = FALSE; -+ } -+ else if (strcmp (optarg, "noexecheap") == 0) -+ { -+ link_info.noexecheap = TRUE; -+ link_info.execheap = FALSE; -+ } - EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then - fragment <<EOF -@@ -2368,6 +2378,8 @@ fragment <<EOF - -z defs Report unresolved symbols in object files.\n")); - fprintf (file, _("\ - -z execstack Mark executable as requiring executable stack\n")); -+ fprintf (file, _("\ -+ -z execheap Mark executable as requiring executable heap\n")); - EOF - - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -@@ -2391,6 +2403,8 @@ fragment <<EOF - fragment <<EOF - fprintf (file, _("\ - -z noexecstack Mark executable as not requiring executable stack\n")); -+ fprintf (file, _("\ -+ -z noexecheap Mark executable as not requiring executable heap\n")); - EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then - fragment <<EOF ---- binutils-2.24/ld/ldgram.y -+++ binutils-2.24/ld/ldgram.y -@@ -1119,6 +1119,8 @@ phdr_type: - $$ = exp_intop (0x6474e550); - else if (strcmp (s, "PT_GNU_STACK") == 0) - $$ = exp_intop (0x6474e551); -+ else if (strcmp (s, "PT_PAX_FLAGS") == 0) -+ $$ = exp_intop (0x65041580); - else - { - einfo (_("\ ---- binutils-2.24/ld/testsuite/ld-alpha/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlsbin.rd -@@ -35,13 +35,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- PHDR +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+150 R E 0x8 -+ PHDR +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+188 R E 0x8 - INTERP +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 - .*Requesting program interpreter.* - LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R E 0x10000 - LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 3 entries: ---- binutils-2.24/ld/testsuite/ld-alpha/tlsbinr.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlsbinr.rd -@@ -42,6 +42,7 @@ Program Headers: - +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - +DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 2 entries: ---- binutils-2.24/ld/testsuite/ld-alpha/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlspic.rd -@@ -38,6 +38,7 @@ Program Headers: - +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - +DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - +TLS +0x0+10e0 0x0+110e0 0x0+110e0 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 7 entries: ---- binutils-2.24/ld/testsuite/ld-elf/eh1.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh1.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 $rbp$ at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 $rbp$ - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/eh2.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh2.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 $rbp$ at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 $rbp$ - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/eh3.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh3.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 $rbp$ at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 $rbp$ - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/orphan-region.d -+++ binutils-2.24/ld/testsuite/ld-elf/orphan-region.d -@@ -15,7 +15,9 @@ - Program Headers: - Type.* - LOAD[ \t]+0x[0-9a-f]+ 0x0*40000000 0x0*40000000 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x[0-9a-f]+ -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - Segment Sections... - 00 .text .rodata .moredata * -+ 01 + ---- binutils-2.24/ld/testsuite/ld-i386/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsbin.rd -@@ -44,6 +44,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -53,6 +54,7 @@ Program Headers: - +03 +.tdata .dynamic .got .got.plt * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsbindesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsbindesc.rd -@@ -42,6 +42,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -51,6 +52,7 @@ Program Headers: - +03 +.tdata .dynamic .got .got.plt * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsdesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsdesc.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsgdesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsgdesc.rd -@@ -36,12 +36,14 @@ Program Headers: - +LOAD.* - +LOAD.* - +DYNAMIC.* -+ +PAX_FLAGS.* - - Section to Segment mapping: - +Segment Sections... - +00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .plt .text * - +01 +.dynamic .got .got.plt * - +02 +.dynamic * -+ +03 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 8 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsnopic.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsnopic.rd -@@ -37,6 +37,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+ 0x0+24 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -44,6 +45,7 @@ Program Headers: - +01 +.dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -47,6 +48,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 26 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-ia64/merge1.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge1.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+1e0 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 \[MMI\] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 c0 04 00 48 00 addl r12=24,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge2.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge2.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+1e0 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 \[MMI\] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 c0 04 00 48 00 addl r12=24,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge3.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge3.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+210 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 \[MMI\] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge4.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge4.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+240 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 \[MMI\] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge5.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge5.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+270 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 \[MMI\] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-ia64/tlsbin.rd -@@ -36,13 +36,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- +PHDR +0x0+40 0x40+40 0x40+40 0x0+188 0x0+188 R E 0x8 -- +INTERP +0x0+1c8 0x40+1c8 0x40+1c8 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 -+ +PHDR +0x0+40 0x40+40 0x40+40 (0x[0-9a-f]+) \1 R E 0x8 -+ +INTERP +0x0+([0-9a-f]+) (0x40+\1) \2 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 - .*Requesting program interpreter.* - +LOAD +0x0+ 0x40+ 0x40+ 0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ R E 0x10000 - +LOAD +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+0[0-9a-f]+ 0x0+0[0-9a-f]+ RW +0x10000 - +DYNAMIC +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+150 0x0+150 RW +0x8 - +TLS +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+60 0x0+a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - +IA_64_UNWIND .* R +0x8 - #... - ---- binutils-2.24/ld/testsuite/ld-ia64/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-ia64/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+0[0-9a-f]+ 0x0+0[0-9a-f]+ RW +0x10000 - +DYNAMIC +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+140 0x0+140 RW +0x8 - +TLS +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - +IA_64_UNWIND +0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ 0x0+18 0x0+18 R +0x8 - #... - ---- binutils-2.24/ld/testsuite/ld-mips-elf/multi-got-no-shared.d -+++ binutils-2.24/ld/testsuite/ld-mips-elf/multi-got-no-shared.d -@@ -8,9 +8,9 @@ - .*: +file format.* - - Disassembly of section \.text: --004000b0 <[^>]*> 3c1c0043 lui gp,0x43 --004000b4 <[^>]*> 279c9ff0 addiu gp,gp,-24592 --004000b8 <[^>]*> afbc0008 sw gp,8$sp$ -+004000d0 <[^>]*> 3c1c0043 lui gp,0x43 -+004000d4 <[^>]*> 279c9ff0 addiu gp,gp,-24592 -+004000d8 <[^>]*> afbc0008 sw gp,8$sp$ - #... - 00408d60 <[^>]*> 3c1c0043 lui gp,0x43 - 00408d64 <[^>]*> 279c2c98 addiu gp,gp,11416 ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3a.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3a.sd -@@ -1,7 +1,7 @@ - - Elf file type is DYN $Shared object file$ - Entry point .* --There are 5 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -9,6 +9,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+00000 * 0x0+00000 [^ ]+ * [^ ]+ * R E * 0x.* - * LOAD * [^ ]+ * 0x0+10000 * 0x0+10000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+00400 * 0x0+00400 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -18,3 +19,4 @@ Program Headers: - *0*2 * \.data \.got * - *0*3 * \.dynamic * - *0*4 * -+ *0*5 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 *\.got \.data * - *0*6 *\.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-4b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-4b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * \.got \.data \.bss * - *0*6 * \.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-5b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-5b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * \.got \.data \.bss * - *0*6 * \.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n32.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n32.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * \.got \.data \.bss * - *0*6 * \.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n64.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n64.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 7 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -12,6 +12,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -23,3 +24,4 @@ Program Headers: - *0*4 * \.got \.data \.bss * - *0*5 * \.dynamic * - *0*6 * -+ *0*7 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-o32.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-o32.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC $Executable file$ - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * \.got \.data \.bss * - *0*6 * \.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-powerpc/tlsexe32.r -+++ binutils-2.24/ld/testsuite/ld-powerpc/tlsexe32.r -@@ -33,13 +33,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align -- +PHDR +0x000034 0x01800034 0x01800034 0x000c0 0x000c0 R E 0x4 -- +INTERP +0x0000f4 0x018000f4 0x018000f4 0x00011 0x00011 R +0x1 -+ +PHDR +0x000034 0x01800034 0x01800034 (0x000[0-9a-f]{2}) \1 R E 0x4 -+ +INTERP +0x000([0-9a-f]{3}) 0x01800\1 0x01800\1 0x00011 0x00011 R +0x1 - +\[Requesting program interpreter: .*\] - +LOAD .* R E 0x10000 - +LOAD .* RWE 0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0001c 0x00038 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections\.\.\. -@@ -49,6 +50,7 @@ Program Headers: - +03 +\.tdata \.dynamic \.got \.plt - +04 +\.dynamic - +05 +\.tdata \.tbss -+ +06 + - - Relocation section '\.rela\.dyn' at offset .* contains 2 entries: - Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-powerpc/tlsso32.r -+++ binutils-2.24/ld/testsuite/ld-powerpc/tlsso32.r -@@ -35,6 +35,7 @@ Program Headers: - +LOAD .* RWE 0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+1c 0x0+38 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections\.\.\. -@@ -42,6 +43,7 @@ Program Headers: - +01 +\.tdata \.dynamic \.got \.plt - +02 +\.dynamic - +03 +\.tdata \.tbss -+ +04 + - - Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 18 entries: - Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend -@@ -52,9 +54,9 @@ Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 18 entries: - [0-9a-f ]+R_PPC_TPREL16 +0+30 +le0 \+ 0 - [0-9a-f ]+R_PPC_TPREL16_HA +0+34 +le1 \+ 0 - [0-9a-f ]+R_PPC_TPREL16_LO +0+34 +le1 \+ 0 --[0-9a-f ]+R_PPC_TPREL16 +0+103d0 +\.tdata \+ 103e4 --[0-9a-f ]+R_PPC_TPREL16_HA +0+103d0 +\.tdata \+ 103e8 --[0-9a-f ]+R_PPC_TPREL16_LO +0+103d0 +\.tdata \+ 103e8 -+[0-9a-f ]+R_PPC_TPREL16 +0+103[df]0 +\.tdata \+ 10[0-9a-f]{3} -+[0-9a-f ]+R_PPC_TPREL16_HA +0+103[df]0 +\.tdata \+ 10[0-9a-f]{3} -+[0-9a-f ]+R_PPC_TPREL16_LO +0+103[df]0 +\.tdata \+ 10[0-9a-f]{3} - [0-9a-f ]+R_PPC_DTPMOD32 +0 - [0-9a-f ]+R_PPC_DTPREL32 +0 - [0-9a-f ]+R_PPC_DTPMOD32 +0 ---- binutils-2.24/ld/testsuite/ld-s390/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlsbin.rd -@@ -36,6 +36,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+60 0x0+a0 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -52,6 +53,7 @@ Program Headers: - +03 +.tdata .dynamic .got * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rela.dyn' at offset .* contains 4 entries: - Offset +Info +Type +Sym.Value +Sym. Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlsbin_64.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlsbin_64.rd -@@ -36,6 +36,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+a0 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -52,6 +53,7 @@ Program Headers: - +03 +.tdata .dynamic .got * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlspic.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+60 0x0+80 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got - +02 +.dynamic - +03 +.tdata .tbss -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - Offset +Info +Type +Sym.Value +Sym. Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlspic_64.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlspic_64.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+80 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-sh/tlsbin-2.d -+++ binutils-2.24/ld/testsuite/ld-sh/tlsbin-2.d -@@ -44,6 +44,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+18 0x0+28 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections\.\.\. -@@ -53,6 +54,7 @@ Program Headers: - +03 +\.tdata \.dynamic \.got * - +04 +\.dynamic * - +05 +\.tdata \.tbss * -+ +06 + - - Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 4 entries: - Offset +Info +Type +Sym\.Value +Sym\. Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-sh/tlspic-2.d -+++ binutils-2.24/ld/testsuite/ld-sh/tlspic-2.d -@@ -32,7 +32,7 @@ Key to Flags: - - Elf file type is DYN $Shared object file$ - Entry point 0x[0-9a-f]+ --There are 4 program headers, starting at offset [0-9]+ -+There are [0-9] program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -@@ -40,6 +40,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS .* 0x0+18 0x0+20 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections\.\.\. -@@ -47,6 +48,7 @@ Program Headers: - +01 +\.tdata \.dynamic \.got * - +02 +\.dynamic * - +03 +\.tdata \.tbss * -+ +04 + - - Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 10 entries: - Offset +Info +Type +Sym\.Value +Sym\. Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-sparc/gotop32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/gotop32.rd -@@ -31,6 +31,7 @@ Program Headers: - +LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x10000 - +LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+2000 0x0+2000 RW +0x10000 - +DYNAMIC +0x0+2000 0x0+12000 0x0+12000 0x0+70 0x0+70 RW +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 1 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/gotop64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/gotop64.rd -@@ -31,6 +31,7 @@ Program Headers: - +LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x100000 - +LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+2000 0x0+2000 RW +0x100000 - +DYNAMIC +0x0+2000 0x0+102000 0x0+102000 0x0+e0 0x0+e0 RW +0x8 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 1 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunbin32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunbin32.rd -@@ -30,13 +30,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align -- +PHDR +0x0+34 0x0+10034 0x0+10034 0x0+c0 0x0+c0 R E 0x4 -- +INTERP +0x0+f4 0x0+100f4 0x0+100f4 0x0+11 0x0+11 R +0x1 -+ +PHDR +0x0+34 0x0+10034 0x0+10034 (0x[0-9a-f]+) \1 R E 0x4 -+ +INTERP +(0x[0-9a-f]+ ){3}0x0+11 0x0+11 R +0x1 - .*Requesting program interpreter.* - +LOAD .* R E 0x10000 - +LOAD .* RW +0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+1060 0x0+10a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunbin64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunbin64.rd -@@ -30,13 +30,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- +PHDR +0x0+40 0x0+100040 0x0+100040 0x0+150 0x0+150 R E 0x8 -- +INTERP +0x0+190 0x0+100190 0x0+100190 0x0+19 0x0+19 R +0x1 -+ +PHDR +0x0+40 0x0+100040 0x0+100040 (0x[0-9a-f]+) \1 R E 0x8 -+ +INTERP +0x0+([0-9a-f]+) (0x0+10+\1) \2 0x0+19 0x0+19 R +0x1 - .*Requesting program interpreter.* - +LOAD .* R E 0x100000 - +LOAD .* RW +0x100000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic32.rd -@@ -32,6 +32,7 @@ Program Headers: - +LOAD .* RW +0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+ 0x0+24 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 12 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic64.rd -@@ -32,6 +32,7 @@ Program Headers: - +LOAD .* RW +0x100000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+ 0x0+24 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunpic32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunpic32.rd -@@ -36,6 +36,7 @@ Program Headers: - +LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+184 0x0+184 RWE 0x10000 - +DYNAMIC +0x0+2060 0x0+12060 0x0+12060 0x0+98 0x0+98 RW +0x4 - +TLS +0x0+2000 0x0+12000 0x0+12000 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunpic64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunpic64.rd -@@ -36,6 +36,7 @@ Program Headers: - +LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+3a0 0x0+3a0 RWE 0x100000 - +DYNAMIC +0x0+2060 0x0+102060 0x0+102060 0x0+130 0x0+130 RW +0x8 - +TLS +0x0+2000 0x0+102000 0x0+102000 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-x86-64/tlsgdesc.rd -+++ binutils-2.24/ld/testsuite/ld-x86-64/tlsgdesc.rd -@@ -36,12 +36,14 @@ Program Headers: - +LOAD.* - +LOAD.* - +DYNAMIC.* -+ +PAX_FLAGS.* - - Section to Segment mapping: - +Segment Sections... - +00 +.hash .dynsym .dynstr .rela.dyn .rela.plt .plt .text * - +01 +.dynamic .got .got.plt * - +02 +.dynamic * -+ +03 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 8 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend ---- binutils-2.24/ld/testsuite/ld-x86-64/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-x86-64/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD +0x0+131a 0x0+20131a 0x0+20131a 0x0+246 0x0+246 RW +0x200000 - +DYNAMIC +0x0+1380 0x0+201380 0x0+201380 0x0+130 0x0+130 RW +0x8 - +TLS +0x0+131a 0x0+20131a 0x0+20131a 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -47,6 +48,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend diff --git a/binutils/patches/binutils-2.24-set-section-macros.patch0 b/binutils/patches/binutils-2.24-set-section-macros.patch0 deleted file mode 100644 index 6171c48..0000000 --- a/binutils/patches/binutils-2.24-set-section-macros.patch0 +++ /dev/null @@ -1,103 +0,0 @@ -diff -rcp ../binutils-2.24.orig/bfd/bfd-in2.h bfd/bfd-in2.h -*** ../binutils-2.24.orig/bfd/bfd-in2.h 2014-04-22 12:03:35.226872578 +0100 ---- bfd/bfd-in2.h 2014-04-22 12:07:51.556393678 +0100 -*************** typedef struct bfd_section *sec_ptr; -*** 294,302 **** - - #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) - -- #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) -- #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) -- #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) - /* Find the address one past the end of SEC. */ - #define bfd_get_section_limit(bfd, sec) \ - (((bfd)->direction != write_direction && (sec)->rawsize != 0 \ ---- 294,299 ---- -*************** struct relax_table { -*** 1592,1597 **** ---- 1589,1620 ---- - int size; - }; - -+ /* Note: the following are provided as inline functions rather than macros -+ because not all callers use the return value. A macro implementation -+ would use a comma expression, eg: "((ptr)->foo = val, TRUE)" and some -+ compilers will complain about comma expressions that have no effect. */ -+ static inline bfd_boolean -+ bfd_set_section_userdata (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, void * val) -+ { -+ ptr->userdata = val; -+ return TRUE; -+ } -+ -+ static inline bfd_boolean -+ bfd_set_section_vma (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, bfd_vma val) -+ { -+ ptr->vma = ptr->lma = val; -+ ptr->user_set_vma = TRUE; -+ return TRUE; -+ } -+ -+ static inline bfd_boolean -+ bfd_set_section_alignment (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, unsigned int val) -+ { -+ ptr->alignment_power = val; -+ return TRUE; -+ } -+ - /* These sections are global, and are managed by BFD. The application - and target back end are not permitted to change the values in - these sections. */ -diff -rcp ../binutils-2.24.orig/bfd/bfd-in.h bfd/bfd-in.h -*** ../binutils-2.24.orig/bfd/bfd-in.h 2014-04-22 12:03:35.272868967 +0100 ---- bfd/bfd-in.h 2014-04-22 12:06:12.850914084 +0100 -*************** typedef struct bfd_section *sec_ptr; -*** 287,295 **** - - #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) - -- #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) -- #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) -- #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) - /* Find the address one past the end of SEC. */ - #define bfd_get_section_limit(bfd, sec) \ - (((bfd)->direction != write_direction && (sec)->rawsize != 0 \ ---- 287,292 ---- -diff -rcp ../binutils-2.24.orig/bfd/section.c bfd/section.c -*** ../binutils-2.24.orig/bfd/section.c 2014-04-22 12:03:35.215873442 +0100 ---- bfd/section.c 2014-04-22 12:06:55.795118059 +0100 -*************** CODE_FRAGMENT -*** 542,547 **** ---- 542,573 ---- - . int size; - .}; - . -+ .{* Note: the following are provided as inline functions rather than macros -+ . because not all callers use the return value. A macro implementation -+ . would use a comma expression, eg: "((ptr)->foo = val, TRUE)" and some -+ . compilers will complain about comma expressions that have no effect. *} -+ .static inline bfd_boolean -+ .bfd_set_section_userdata (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, void * val) -+ .{ -+ . ptr->userdata = val; -+ . return TRUE; -+ .} -+ . -+ .static inline bfd_boolean -+ .bfd_set_section_vma (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, bfd_vma val) -+ .{ -+ . ptr->vma = ptr->lma = val; -+ . ptr->user_set_vma = TRUE; -+ . return TRUE; -+ .} -+ . -+ .static inline bfd_boolean -+ .bfd_set_section_alignment (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, unsigned int val) -+ .{ -+ . ptr->alignment_power = val; -+ . return TRUE; -+ .} -+ . - .{* These sections are global, and are managed by BFD. The application - . and target back end are not permitted to change the values in - . these sections. *} diff --git a/binutils/patches/binutils-2.24-symbol-warning.patch b/binutils/patches/binutils-2.24-symbol-warning.patch deleted file mode 100644 index aff6c48..0000000 --- a/binutils/patches/binutils-2.24-symbol-warning.patch +++ /dev/null @@ -1,114 +0,0 @@ -From 4c6d802e592b3762a149c343bc5722e065e57841 Mon Sep 17 00:00:00 2001 -From: H.J. Lu <hjl.tools(a)gmail.com> -Date: Wed, 26 Mar 2014 12:18:59 -0700 -Subject: [PATCH] Scan all input files for symbol reference warning - -This patch scans all input files for symbol reference warning if the -symbol reference doesn't exist in the current input file. - -ld/ - - PR ld/16756 - * ldmain.c (symbol_warning): New function. - (warning_callback): Use it. Scan all input files for a reference - to SYMBOL. - -ld/testsuite/ - - PR ld/16756 - * ld-plugin/lto.exp: Expect filename and line number for PR - ld/12760 test. ---- - ld/ChangeLog | 7 ++++ - ld/ldmain.c | 43 ++++++++++++++++---------- - ld/testsuite/ChangeLog | 64 ++++++++++++++++++++++------------------ - ld/testsuite/ld-plugin/lto.exp | 4 +- - 4 files changed, 70 insertions(+), 48 deletions(-) - -diff --git a/ld/ldmain.c b/ld/ldmain.c -index ffc9f84..14253a6 100644 ---- a/ld/ldmain.c -+++ b/ld/ldmain.c -@@ -1150,6 +1150,25 @@ struct warning_callback_info - asymbol **asymbols; - }; - -+/* Look through the relocs to see if we can find a plausible address -+ for SYMBOL in ABFD. Return TRUE if found. Otherwise return FALSE. */ -+ -+static bfd_boolean -+symbol_warning (const char *warning, const char *symbol, bfd *abfd) -+{ -+ struct warning_callback_info cinfo; -+ -+ if (!bfd_generic_link_read_symbols (abfd)) -+ einfo (_("%B%F: could not read symbols: %E\n"), abfd); -+ -+ cinfo.found = FALSE; -+ cinfo.warning = warning; -+ cinfo.symbol = symbol; -+ cinfo.asymbols = bfd_get_outsymbols (abfd); -+ bfd_map_over_sections (abfd, warning_find_reloc, &cinfo); -+ return cinfo.found; -+} -+ - /* This is called when there is a reference to a warning symbol. */ - - static bfd_boolean ---- a/ld/ldmain.c 2014-06-24 14:04:00.700594584 -0400 -+++ b/ld/ldmain.c 2014-06-24 14:07:19.452270808 -0400 -@@ -1172,24 +1172,14 @@ - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -- else if ((abfd->flags & BFD_PLUGIN) == 0) -+ else if (! symbol_warning (warning, symbol, abfd)) - { -- struct warning_callback_info cinfo; -- -- /* Look through the relocs to see if we can find a plausible -- address. */ -- -- if (!bfd_generic_link_read_symbols (abfd)) -- einfo (_("%B%F: could not read symbols: %E\n"), abfd); -- -- cinfo.found = FALSE; -- cinfo.warning = warning; -- cinfo.symbol = symbol; -- cinfo.asymbols = bfd_get_outsymbols (abfd); -- bfd_map_over_sections (abfd, warning_find_reloc, &cinfo); -- -- if (! cinfo.found) -- einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -+ bfd *b; -+ /* Search all input files for a reference to SYMBOL. */ -+ for (b = info->input_bfds; b; b = b->link_next) -+ if (b != abfd && symbol_warning (warning, symbol, b)) -+ return TRUE; -+ einfo ("%B: %s%s\n", abfd, _("warning: "), warning); - } - - return TRUE; -diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp -index af7307f..53543a6 100644 ---- a/ld/testsuite/ld-plugin/lto.exp -+++ b/ld/testsuite/ld-plugin/lto.exp -@@ -116,14 +116,14 @@ set lto_link_tests { - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" - {dummy.c} {} "pr12758.exe"} - {"Build libdummy.a PR ld/12760" -- "" "" -+ "" "-g -O0" - {pr12760a.c} {} "libdummy.a"} - {"Build libpr12760.a" - "" "-flto -O2 -ffat-lto-objects" - {pr12760b.c} {} "libpr12760.a"} - {"PR ld/12760" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" -- {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"} -+ {dummy.c} {} "pr12760.exe" "c" "pr12760a.c:6: warning: Bad bar"} - {"Build libpr13183.a" - "-T" "-flto -O2 -ffat-lto-objects" - {pr13183a.c} {} "libpr13183.a"} --- -1.7.1 diff --git a/binutils/patches/binutils-2.24-weak-sym-merge.patch0 b/binutils/patches/binutils-2.24-weak-sym-merge.patch0 deleted file mode 100644 index 0625f0d..0000000 --- a/binutils/patches/binutils-2.24-weak-sym-merge.patch0 +++ /dev/null @@ -1,22 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elflink.c 2014-08-15 14:12:59.933394436 +0100 ---- bfd/elflink.c 2014-08-15 14:40:54.787075416 +0100 -*************** _bfd_elf_merge_symbol (bfd *abfd, -*** 1437,1443 **** - if (!(oldbfd != NULL - && (oldbfd->flags & BFD_PLUGIN) != 0 - && (abfd->flags & BFD_PLUGIN) == 0)) -! *skip = TRUE; - - /* Merge st_other. If the symbol already has a dynamic index, - but visibility says it should not be visible, turn it into a ---- 1437,1446 ---- - if (!(oldbfd != NULL - && (oldbfd->flags & BFD_PLUGIN) != 0 - && (abfd->flags & BFD_PLUGIN) == 0)) -! { -! newdef = FALSE; -! *skip = TRUE; -! } - - /* Merge st_other. If the symbol already has a dynamic index, - but visibility says it should not be visible, turn it into a diff --git a/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch b/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch new file mode 100644 index 0000000..99e8b70 --- /dev/null +++ b/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch @@ -0,0 +1,17 @@ +--- binutils-2.26.orig/bfd/elf32-i386.c 2016-02-29 15:47:45.172597805 +0000 ++++ binutils-2.26/bfd/elf32-i386.c 2016-02-29 15:48:42.161904973 +0000 +@@ -4016,10 +4016,12 @@ elf_i386_relocate_section (bfd *output_b + + /* It is relative to .got.plt section. */ + if (h->got.offset != (bfd_vma) -1) +- /* Use GOT entry. */ ++ /* Use GOT entry. Mask off the least significant bit in ++ GOT offset which may be set by R_386_GOT32 processing ++ below. */ + relocation = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset +- + h->got.offset - offplt); ++ + (h->got.offset & ~1) - offplt); + else + /* Use GOTPLT entry. */ + relocation = (h->plt.offset / plt_entry_size - 1 + 3) * 4; diff --git a/binutils/patches/binutils-2.26-lto.patch b/binutils/patches/binutils-2.26-lto.patch new file mode 100644 index 0000000..3705459 --- /dev/null +++ b/binutils/patches/binutils-2.26-lto.patch @@ -0,0 +1,2555 @@ +diff -rup binutils-2.26.orig/bfd/bfd.c binutils-2.26/bfd/bfd.c +--- binutils-2.26.orig/bfd/bfd.c 2016-02-19 09:35:36.231000625 +0000 ++++ binutils-2.26/bfd/bfd.c 2016-02-19 09:35:54.901106498 +0000 +@@ -57,6 +57,14 @@ CODE_FRAGMENT + . bfd_byte data[1]; + . }; + . ++.enum bfd_lto_object_type ++. { ++. lto_non_object, ++. lto_non_ir_object, ++. lto_ir_object, ++. lto_mixed_object ++. }; ++. + .struct bfd + .{ + . {* The filename the application opened the BFD with. *} +@@ -227,6 +235,9 @@ CODE_FRAGMENT + . {* Set if this is a plugin output file. *} + . unsigned int lto_output : 1; + . ++. {* LTO object type. *} ++. ENUM_BITFIELD (bfd_lto_object_type) lto_type : 2; ++. + . {* Set to dummy BFD created when claimed by a compiler plug-in + . library. *} + . bfd *plugin_dummy_bfd; +@@ -252,6 +263,9 @@ CODE_FRAGMENT + . {* The last section on the section list. *} + . struct bfd_section *section_last; + . ++. {* The object-only section on the section list. *} ++. struct bfd_section *object_only_section; ++. + . {* The number of sections. *} + . unsigned int section_count; + . +@@ -2270,3 +2284,36 @@ bfd_convert_section_contents (bfd *ibfd, + *ptr_size = size; + return TRUE; + } ++ ++/* ++FUNCTION ++ bfd_group_signature ++ ++SYNOPSIS ++ asymbol *bfd_group_signature (asection *group, asymbol **isympp); ++ ++DESCRIPTION ++ Return a pointer to the symbol used as a signature for GROUP. ++*/ ++ ++asymbol * ++bfd_group_signature (asection *group, asymbol **isympp) ++{ ++ bfd *abfd = group->owner; ++ Elf_Internal_Shdr *ghdr; ++ ++ if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) ++ return NULL; ++ ++ ghdr = &elf_section_data (group)->this_hdr; ++ if (ghdr->sh_link < elf_numsections (abfd)) ++ { ++ const struct elf_backend_data *bed = get_elf_backend_data (abfd); ++ Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; ++ ++ if (symhdr->sh_type == SHT_SYMTAB ++ && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) ++ return isympp[ghdr->sh_info - 1]; ++ } ++ return NULL; ++} +diff -rup binutils-2.26.orig/bfd/bfd-in2.h binutils-2.26/bfd/bfd-in2.h +--- binutils-2.26.orig/bfd/bfd-in2.h 2016-02-19 09:35:36.280000903 +0000 ++++ binutils-2.26/bfd/bfd-in2.h 2016-02-19 09:35:54.900106492 +0000 +@@ -1089,6 +1089,9 @@ struct bfd_section *bfd_create_gnu_debug + bfd_boolean bfd_fill_in_gnu_debuglink_section + (bfd *abfd, struct bfd_section *sect, const char *filename); + ++const char *bfd_extract_object_only_section ++ (bfd *abfd); ++ + /* Extracted from libbfd.c. */ + + /* Byte swapping macros for user section data. */ +@@ -1654,6 +1657,9 @@ extern asection _bfd_std_section[4]; + #define BFD_COM_SECTION_NAME "*COM*" + #define BFD_IND_SECTION_NAME "*IND*" + ++/* GNU object-only section name. */ ++#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" ++ + /* Pointer to the common section. */ + #define bfd_com_section_ptr (&_bfd_std_section[0]) + /* Pointer to the undefined section. */ +@@ -6511,6 +6517,14 @@ struct bfd_build_id + bfd_byte data[1]; + }; + ++enum bfd_lto_object_type ++ { ++ lto_non_object, ++ lto_non_ir_object, ++ lto_ir_object, ++ lto_mixed_object ++ }; ++ + struct bfd + { + /* The filename the application opened the BFD with. */ +@@ -6681,6 +6695,9 @@ struct bfd + /* Set if this is a plugin output file. */ + unsigned int lto_output : 1; + ++ /* LTO object type. */ ++ ENUM_BITFIELD (bfd_lto_object_type) lto_type : 2; ++ + /* Set to dummy BFD created when claimed by a compiler plug-in + library. */ + bfd *plugin_dummy_bfd; +@@ -6706,6 +6723,9 @@ struct bfd + /* The last section on the section list. */ + struct bfd_section *section_last; + ++ /* The object-only section on the section list. */ ++ struct bfd_section *object_only_section; ++ + /* The number of sections. */ + unsigned int section_count; + +@@ -7026,6 +7046,8 @@ bfd_boolean bfd_convert_section_contents + (bfd *ibfd, asection *isec, bfd *obfd, + bfd_byte **ptr, bfd_size_type *ptr_size); + ++asymbol *bfd_group_signature (asection *group, asymbol **isympp); ++ + /* Extracted from archive.c. */ + symindex bfd_get_next_mapent + (bfd *abfd, symindex previous, carsym **sym); +diff -rup binutils-2.26.orig/bfd/elf.c binutils-2.26/bfd/elf.c +--- binutils-2.26.orig/bfd/elf.c 2016-02-19 09:35:36.280000903 +0000 ++++ binutils-2.26/bfd/elf.c 2016-02-19 09:35:54.904106515 +0000 +@@ -2387,6 +2387,7 @@ static const struct bfd_elf_special_sect + { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, + { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, + { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, ++ { STRING_COMMA_LEN (".gnu_object_only"), 0, SHT_GNU_OBJECT_ONLY, SHF_EXCLUDE }, + { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, + { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, + { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, +diff -rup binutils-2.26.orig/bfd/format.c binutils-2.26/bfd/format.c +--- binutils-2.26.orig/bfd/format.c 2016-02-19 09:35:36.265000818 +0000 ++++ binutils-2.26/bfd/format.c 2016-02-19 09:36:21.420256880 +0000 +@@ -46,6 +46,9 @@ SUBSECTION + #include "sysdep.h" + #include "bfd.h" + #include "libbfd.h" ++#if BFD_SUPPORTS_PLUGINS ++#include "plugin.h" ++#endif + + /* IMPORT from targets.c. */ + extern const size_t _bfd_target_vector_entries; +@@ -179,6 +182,33 @@ bfd_preserve_finish (bfd *abfd ATTRIBUTE + preserve->marker = NULL; + } + ++/* Set lto_type in ABFD. */ ++ ++static void ++bfd_set_lto_type (bfd *abfd) ++{ ++ if (abfd->format == bfd_object ++ && abfd->lto_type == lto_non_object ++ && (abfd->flags & (DYNAMIC | EXEC_P)) == 0) ++ { ++ asection *sec; ++ enum bfd_lto_object_type type = lto_non_ir_object; ++ for (sec = abfd->sections; sec != NULL; sec = sec->next) ++ { ++ if (strcmp (sec->name, GNU_OBJECT_ONLY_SECTION_NAME) == 0) ++ { ++ type = lto_mixed_object; ++ abfd->object_only_section = sec; ++ break; ++ } ++ else if (type != lto_ir_object ++ && strncmp (sec->name, ".gnu.lto_", 9) == 0) ++ type = lto_ir_object; ++ } ++ abfd->lto_type = type; ++ } ++} ++ + /* + FUNCTION + bfd_check_format_matches +@@ -221,7 +251,10 @@ bfd_check_format_matches (bfd *abfd, bfd + } + + if (abfd->format != bfd_unknown) +- return abfd->format == format; ++ { ++ bfd_set_lto_type (abfd); ++ return abfd->format == format; ++ } + + if (matching != NULL || *bfd_associated_vector != NULL) + { +@@ -285,6 +318,13 @@ bfd_check_format_matches (bfd *abfd, bfd + || (*target)->match_priority > best_match) + continue; + ++#if BFD_SUPPORTS_PLUGINS ++ /* If the plugin target is explicitly specified when a BFD file ++ is opened, don't check it twice. */ ++ if (bfd_plugin_specified_p () && bfd_plugin_target_p (*target)) ++ continue; ++#endif ++ + /* If we already tried a match, the bfd is modified and may + have sections attached, which will confuse the next + _bfd_check_format call. */ +@@ -449,6 +489,8 @@ bfd_check_format_matches (bfd *abfd, bfd + if (matching_vector) + free (matching_vector); + ++ bfd_set_lto_type (abfd); ++ + /* File position has moved, BTW. */ + return TRUE; + } +diff -rup binutils-2.26.orig/bfd/opncls.c binutils-2.26/bfd/opncls.c +--- binutils-2.26.orig/bfd/opncls.c 2016-02-19 09:35:36.281000909 +0000 ++++ binutils-2.26/bfd/opncls.c 2016-02-19 09:35:54.905106520 +0000 +@@ -1717,3 +1717,69 @@ bfd_fill_in_gnu_debuglink_section (bfd * + + return TRUE; + } ++ ++/* ++FUNCTION ++ bfd_extract_object_only_section ++ ++SYNOPSIS ++ const char *bfd_extract_object_only_section ++ (bfd *abfd); ++ ++DESCRIPTION ++ ++ Takes a @var{ABFD} and extract the .gnu_object_only section into ++ a temporary file. ++ ++RETURNS ++ The name of the temporary file is returned if all is ok. ++ Otherwise <<NULL>> is returned and bfd_error is set. ++*/ ++ ++const char * ++bfd_extract_object_only_section (bfd *abfd) ++{ ++ asection *sec = abfd->object_only_section; ++ const char *name; ++ FILE *file; ++ bfd_byte *memhunk = NULL; ++ size_t off, size; ++ bfd_error_type err; ++ ++ /* Get a temporary object-only file. */ ++ name = make_temp_file (".obj-only.o"); ++ ++ /* Open the object-only file. */ ++ file = real_fopen (name, FOPEN_WB); ++ if (!bfd_get_full_section_contents (abfd, sec, &memhunk)) ++ { ++ err = bfd_get_error (); ++ ++loser: ++ free (memhunk); ++ fclose (file); ++ unlink (name); ++ bfd_set_error (err); ++ return NULL; ++ } ++ ++ off = 0; ++ size = sec->size; ++ while (off != size) ++ { ++ size_t written, nwrite = size - off; ++ ++ written = fwrite (memhunk + off, 1, nwrite, file); ++ if (written < nwrite && ferror (file)) ++ { ++ err = bfd_error_system_call; ++ goto loser; ++ } ++ ++ off += written; ++ } ++ ++ free (memhunk); ++ fclose (file); ++ return name; ++} +diff -rup binutils-2.26.orig/bfd/plugin.c binutils-2.26/bfd/plugin.c +--- binutils-2.26.orig/bfd/plugin.c 2016-02-19 09:35:36.271000852 +0000 ++++ binutils-2.26/bfd/plugin.c 2016-02-19 09:35:54.905106520 +0000 +@@ -130,6 +130,146 @@ register_claim_file (ld_plugin_claim_fil + return LDPS_OK; + } + ++static asection bfd_plugin_fake_text_section ++ = BFD_FAKE_SECTION (bfd_plugin_fake_text_section, 0, 0, ".text", 0); ++static asection bfd_plugin_fake_common_section ++ = BFD_FAKE_SECTION (bfd_plugin_fake_common_section, SEC_IS_COMMON, 0, ++ NULL, 0); ++ ++/* Get symbols from object only section. */ ++ ++static void ++bfd_plugin_get_symbols_in_object_only (bfd *abfd) ++{ ++ struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; ++ const char *object_only_file; ++ bfd *nbfd; ++ long storage; ++ long object_only_nsyms, added_nsyms, i; ++ asymbol **object_only_syms, **added_syms; ++ ++ plugin_data->object_only_syms = NULL; ++ plugin_data->object_only_nsyms = 0; ++ ++ if (abfd->sections == NULL && abfd->my_archive == NULL) ++ { ++ nbfd = bfd_openr (abfd->filename, NULL); ++ if (nbfd == NULL) ++ { ++ (*_bfd_error_handler) ++ (_("%s: failed to open to extract object only section: %s"), ++ abfd->filename, bfd_errmsg (bfd_get_error ())); ++ goto error_return; ++ } ++ else if (!bfd_check_format (nbfd, bfd_object)) ++ { ++ /* There is no object only section if it isn't a bfd_object ++ file. */ ++error_return: ++ bfd_close (nbfd); ++ return; ++ } ++ } ++ else ++ { ++ if (!bfd_check_format (abfd, bfd_object)) ++ { ++ (*_bfd_error_handler) ++ (_("%B: invalid file to extract object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ return; ++ } ++ nbfd = abfd; ++ } ++ ++ if (nbfd->lto_type == lto_mixed_object ++ && (nbfd->flags & HAS_SYMS) != 0) ++ { ++ object_only_file = bfd_extract_object_only_section (nbfd); ++ if (object_only_file == NULL) ++ (*_bfd_error_handler) ++ (_("%B: failed to extract object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ } ++ else ++ object_only_file = NULL; ++ ++ /* Close the new bfd we just opened. */ ++ if (nbfd != abfd) ++ bfd_close (nbfd); ++ ++ /* Return if there is no object only section or there is no ++ symbol in object only section. */ ++ if (!object_only_file) ++ return; ++ ++ /* Open the file containing object only section. */ ++ nbfd = bfd_openr (object_only_file, NULL); ++ if (!bfd_check_format (nbfd, bfd_object)) ++ { ++ (*_bfd_error_handler) ++ (_("%B: failed to open object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ goto quit; ++ } ++ ++ storage = bfd_get_symtab_upper_bound (nbfd); ++ if (storage <= 0) ++ { ++ if (storage < 0) ++ (*_bfd_error_handler) ++ (_("%B: failed to get symbol table in object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ ++ goto quit; ++ } ++ ++ object_only_syms = (asymbol **) bfd_malloc (storage); ++ object_only_nsyms = bfd_canonicalize_symtab (nbfd, object_only_syms); ++ ++ /* FIXME: We waste some spaces if not all symbols are copied. */ ++ added_syms = (asymbol **) bfd_alloc (abfd, storage); ++ added_nsyms = 0; ++ ++ /* Copy only global symbols from object only section. */ ++ for (i = 0; i < object_only_nsyms; i++) ++ { ++ asection *sec = object_only_syms[i]->section; ++ flagword flags = object_only_syms[i]->flags; ++ asymbol *s; ++ ++ if (bfd_is_com_section (sec)) ++ sec = &bfd_plugin_fake_common_section; ++ else if (bfd_is_und_section (sec)) ++ ; ++ else if ((flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0) ++ sec = &bfd_plugin_fake_text_section; ++ else ++ continue; ++ ++ s = bfd_alloc (abfd, sizeof (asymbol)); ++ BFD_ASSERT (s); ++ added_syms[added_nsyms++] = s; ++ ++ s->section = sec; ++ s->the_bfd = abfd; ++ s->name = xstrdup (object_only_syms[i]->name); ++ s->value = 0; ++ s->flags = flags; ++ s->udata.p = NULL; ++ } ++ ++ plugin_data->object_only_syms = added_syms; ++ plugin_data->object_only_nsyms = added_nsyms; ++ ++ free (object_only_syms); ++ ++quit: ++ /* Close and remove the object only section file. */ ++ bfd_close (nbfd); ++ unlink (object_only_file); ++} ++ + static enum ld_plugin_status + add_symbols (void * handle, + int nsyms, +@@ -142,10 +282,13 @@ add_symbols (void * handle, + plugin_data->nsyms = nsyms; + plugin_data->syms = syms; + +- if (nsyms != 0) ++ abfd->tdata.plugin_data = plugin_data; ++ ++ bfd_plugin_get_symbols_in_object_only (abfd); ++ ++ if ((nsyms + plugin_data->object_only_nsyms) != 0) + abfd->flags |= HAS_SYMS; + +- abfd->tdata.plugin_data = plugin_data; + return LDPS_OK; + } + +@@ -440,7 +583,8 @@ static long + bfd_plugin_get_symtab_upper_bound (bfd *abfd) + { + struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; +- long nsyms = plugin_data->nsyms; ++ /* Add symbols from object only section. */ ++ long nsyms = plugin_data->nsyms + plugin_data->object_only_nsyms; + + BFD_ASSERT (nsyms >= 0); + +@@ -474,12 +618,7 @@ bfd_plugin_canonicalize_symtab (bfd *abf + struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; + long nsyms = plugin_data->nsyms; + const struct ld_plugin_symbol *syms = plugin_data->syms; +- static asection fake_section; +- static asection fake_common_section; +- int i; +- +- fake_section.name = ".text"; +- fake_common_section.flags = SEC_IS_COMMON; ++ int i, j; + + for (i = 0; i < nsyms; i++) + { +@@ -492,10 +631,11 @@ bfd_plugin_canonicalize_symtab (bfd *abf + s->name = syms[i].name; + s->value = 0; + s->flags = convert_flags (&syms[i]); ++ s->udata.p = NULL; + switch (syms[i].def) + { + case LDPK_COMMON: +- s->section = &fake_common_section; ++ s->section = &bfd_plugin_fake_common_section; + break; + case LDPK_UNDEF: + case LDPK_WEAKUNDEF: +@@ -503,15 +643,18 @@ bfd_plugin_canonicalize_symtab (bfd *abf + break; + case LDPK_DEF: + case LDPK_WEAKDEF: +- s->section = &fake_section; ++ s->section = &bfd_plugin_fake_text_section; + break; + default: + BFD_ASSERT (0); + } +- +- s->udata.p = (void *) &syms[i]; + } + ++ /* Copy symbols from object only section. */ ++ nsyms += plugin_data->object_only_nsyms; ++ for (j = 0; j < plugin_data->object_only_nsyms; j++, i++) ++ alocation[i] = plugin_data->object_only_syms[j]; ++ + return nsyms; + } + +diff -rup binutils-2.26.orig/bfd/plugin.h binutils-2.26/bfd/plugin.h +--- binutils-2.26.orig/bfd/plugin.h 2016-02-19 09:35:36.271000852 +0000 ++++ binutils-2.26/bfd/plugin.h 2016-02-19 09:35:54.906106526 +0000 +@@ -33,6 +33,8 @@ typedef struct plugin_data_struct + { + int nsyms; + const struct ld_plugin_symbol *syms; ++ int object_only_nsyms; ++ asymbol **object_only_syms; + } + plugin_data_struct; + +diff -rup binutils-2.26.orig/bfd/section.c binutils-2.26/bfd/section.c +--- binutils-2.26.orig/bfd/section.c 2016-02-19 09:35:36.276000881 +0000 ++++ binutils-2.26/bfd/section.c 2016-02-19 09:35:54.906106526 +0000 +@@ -588,6 +588,9 @@ CODE_FRAGMENT + .#define BFD_COM_SECTION_NAME "*COM*" + .#define BFD_IND_SECTION_NAME "*IND*" + . ++.{* GNU object-only section name. *} ++.#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" ++. + .{* Pointer to the common section. *} + .#define bfd_com_section_ptr (&_bfd_std_section[0]) + .{* Pointer to the undefined section. *} +diff -rup binutils-2.26.orig/binutils/objcopy.c binutils-2.26/binutils/objcopy.c +--- binutils-2.26.orig/binutils/objcopy.c 2016-02-19 09:35:36.287000943 +0000 ++++ binutils-2.26/binutils/objcopy.c 2016-02-19 09:35:54.908106537 +0000 +@@ -1108,30 +1108,6 @@ is_specified_symbol (const char *name, h + return htab_find (htab, name) != NULL; + } + +-/* Return a pointer to the symbol used as a signature for GROUP. */ +- +-static asymbol * +-group_signature (asection *group) +-{ +- bfd *abfd = group->owner; +- Elf_Internal_Shdr *ghdr; +- +- if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) +- return NULL; +- +- ghdr = &elf_section_data (group)->this_hdr; +- if (ghdr->sh_link < elf_numsections (abfd)) +- { +- const struct elf_backend_data *bed = get_elf_backend_data (abfd); +- Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; +- +- if (symhdr->sh_type == SHT_SYMTAB +- && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) +- return isympp[ghdr->sh_info - 1]; +- } +- return NULL; +-} +- + /* Return TRUE if the section is a DWO section. */ + + static bfd_boolean +@@ -1237,7 +1213,7 @@ is_strip_section (bfd *abfd ATTRIBUTE_UN + /* PR binutils/3181 + If we are going to strip the group signature symbol, then + strip the group section too. */ +- gsym = group_signature (sec); ++ gsym = bfd_group_signature (sec, isympp); + if (gsym != NULL) + gname = gsym->name; + else +@@ -3091,7 +3067,7 @@ setup_section (bfd *ibfd, sec_ptr isecti + + if ((isection->flags & SEC_GROUP) != 0) + { +- asymbol *gsym = group_signature (isection); ++ asymbol *gsym = bfd_group_signature (isection, isympp); + + if (gsym != NULL) + { +diff -rup binutils-2.26.orig/binutils/readelf.c binutils-2.26/binutils/readelf.c +--- binutils-2.26.orig/binutils/readelf.c 2016-02-19 09:35:36.295000988 +0000 ++++ binutils-2.26/binutils/readelf.c 2016-02-19 09:35:54.911106554 +0000 +@@ -3900,6 +3900,7 @@ get_section_type_name (unsigned int sh_t + case 0x7ffffffd: return "AUXILIARY"; + case 0x7fffffff: return "FILTER"; + case SHT_GNU_LIBLIST: return "GNU_LIBLIST"; ++ case SHT_GNU_OBJECT_ONLY: return "GNU_OBJECT_ONLY"; + + default: + if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) +diff -rup binutils-2.26.orig/gas/testsuite/gas/elf/section9.d binutils-2.26/gas/testsuite/gas/elf/section9.d +--- binutils-2.26.orig/gas/testsuite/gas/elf/section9.d 2016-02-19 09:35:36.397001567 +0000 ++++ binutils-2.26/gas/testsuite/gas/elf/section9.d 2016-02-19 09:35:54.912106560 +0000 +@@ -4,4 +4,5 @@ + #... + [ ]*\[.*\][ ]+\.gnu\.lto_main[ ]+PROGBITS.*[ ]+E[ ]+.* + [ ]*\[.*\][ ]+\.gnu\.lto_\.pureconst[ ]+PROGBITS.*[ ]+E[ ]+.* ++[ ]*\[.*\][ ]+\.gnu_object_only[ ]+GNU_OBJECT_ONLY.*[ ]+E[ ]+.* + #pass +diff -rup binutils-2.26.orig/gas/testsuite/gas/elf/section9.s binutils-2.26/gas/testsuite/gas/elf/section9.s +--- binutils-2.26.orig/gas/testsuite/gas/elf/section9.s 2016-02-19 09:35:36.397001567 +0000 ++++ binutils-2.26/gas/testsuite/gas/elf/section9.s 2016-02-19 09:35:54.912106560 +0000 +@@ -2,3 +2,5 @@ + .byte 0,0,0,0 + .section .gnu.lto_.pureconst,"",%progbits + .byte 0,0,0,0 ++ .section .gnu_object_only ++ .byte 0,0,0,0 +diff -rup binutils-2.26.orig/include/bfdlink.h binutils-2.26/include/bfdlink.h +--- binutils-2.26.orig/include/bfdlink.h 2016-02-19 09:35:36.672003126 +0000 ++++ binutils-2.26/include/bfdlink.h 2016-02-19 09:35:54.913106566 +0000 +@@ -400,6 +400,12 @@ struct bfd_link_info + /* TRUE if ok to have multiple definition. */ + unsigned int allow_multiple_definition: 1; + ++ /* TRUE if .gnu_object_only section should be created. */ ++ unsigned int emit_gnu_object_only: 1; ++ ++ /* TRUE if .gnu_object_only section is being created. */ ++ unsigned int emitting_gnu_object_only: 1; ++ + /* TRUE if ok to have version with no definition. */ + unsigned int allow_undefined_version: 1; + +diff -rup binutils-2.26.orig/include/elf/common.h binutils-2.26/include/elf/common.h +--- binutils-2.26.orig/include/elf/common.h 2016-02-19 09:35:36.675003143 +0000 ++++ binutils-2.26/include/elf/common.h 2016-02-19 09:35:54.913106566 +0000 +@@ -478,6 +478,7 @@ + #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ + #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ + #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ ++#define SHT_GNU_OBJECT_ONLY 0x6ffffff8 /* Object only */ + + /* The next three section types are defined by Solaris, and are named + SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* +diff -rup binutils-2.26.orig/ld/emultempl/aarch64elf.em binutils-2.26/ld/emultempl/aarch64elf.em +--- binutils-2.26.orig/ld/emultempl/aarch64elf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/aarch64elf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -271,7 +271,7 @@ gld${EMULATION_NAME}_after_allocation (v + } + + static void +-gld${EMULATION_NAME}_finish (void) ++aarch64_finish (void) + { + if (!bfd_link_relocatable (&link_info)) + { +@@ -283,7 +283,7 @@ gld${EMULATION_NAME}_finish (void) + } + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + /* This is a convenient point to tell BFD about target specific flags. +@@ -435,4 +435,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse + + # Call the extra arm-elf function +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=aarch64_finish +diff -rup binutils-2.26.orig/ld/emultempl/alphaelf.em binutils-2.26/ld/emultempl/alphaelf.em +--- binutils-2.26.orig/ld/emultempl/alphaelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/alphaelf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -104,7 +104,7 @@ alpha_finish (void) + if (limit_32bit) + elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + EOF + +diff -rup binutils-2.26.orig/ld/emultempl/armelf.em binutils-2.26/ld/emultempl/armelf.em +--- binutils-2.26.orig/ld/emultempl/armelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/armelf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -377,7 +377,7 @@ gld${EMULATION_NAME}_after_allocation (v + } + + static void +-gld${EMULATION_NAME}_finish (void) ++arm_finish (void) + { + struct bfd_link_hash_entry * h; + +@@ -404,7 +404,7 @@ gld${EMULATION_NAME}_finish (void) + } + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + + if (thumb_entry_symbol) + { +@@ -730,4 +730,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse + + # Call the extra arm-elf function +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=arm_finish +diff -rup binutils-2.26.orig/ld/emultempl/avrelf.em binutils-2.26/ld/emultempl/avrelf.em +--- binutils-2.26.orig/ld/emultempl/avrelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/avrelf.em 2016-02-19 09:35:54.915106577 +0000 +@@ -209,7 +209,7 @@ avr_finish (void) + else + elf_elfheader (abfd)->e_flags &= ~EF_AVR_LINKRELAX_PREPARED; + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + EOF + +diff -rup binutils-2.26.orig/ld/emultempl/elf32.em binutils-2.26/ld/emultempl/elf32.em +--- binutils-2.26.orig/ld/emultempl/elf32.em 2016-02-19 09:35:36.700003285 +0000 ++++ binutils-2.26/ld/emultempl/elf32.em 2016-02-19 09:35:54.915106577 +0000 +@@ -66,6 +66,7 @@ static void gld${EMULATION_NAME}_before_ + static void gld${EMULATION_NAME}_after_allocation (void); + static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan + (asection *, const char *, int); ++static void gld${EMULATION_NAME}_finish (void); + EOF + + if [ "x${USE_LIBPATH}" = xyes ] ; then +@@ -1795,6 +1796,8 @@ output_rel_find (asection *sec, int isdy + return last; + } + ++static int orphan_init_done = 0; ++ + /* Place an orphan section. We use this to put random SHF_ALLOC + sections in the right segment. */ + +@@ -1803,7 +1806,7 @@ gld${EMULATION_NAME}_place_orphan (asect + const char *secname, + int constraint) + { +- static struct orphan_save hold[] = ++ static struct orphan_save orig_hold[] = + { + { ".text", + SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, +@@ -1833,6 +1836,7 @@ gld${EMULATION_NAME}_place_orphan (asect + SEC_HAS_CONTENTS, + 0, 0, 0, 0 }, + }; ++ static struct orphan_save hold[ARRAY_SIZE (orig_hold)]; + enum orphan_save_index + { + orphan_text = 0, +@@ -1845,7 +1849,6 @@ gld${EMULATION_NAME}_place_orphan (asect + orphan_sdata, + orphan_nonalloc + }; +- static int orphan_init_done = 0; + struct orphan_save *place; + lang_output_section_statement_type *after; + lang_output_section_statement_type *os; +@@ -1924,15 +1927,22 @@ gld${EMULATION_NAME}_place_orphan (asect + + if (!orphan_init_done) + { +- struct orphan_save *ho; ++ struct orphan_save *ho, *horig; + + for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) ++ for (ho = hold, horig = orig_hold; ++ ho < hold + ARRAY_SIZE (hold); ++ ++ho, ++horig) ++ { ++ *ho = *horig; ++ if (ho->name != NULL) + if (ho->name != NULL) + { + ho->os = lang_output_section_find (ho->name); + if (ho->os != NULL && ho->os->flags == 0) + ho->os->flags = ho->flags; + } ++ } + orphan_init_done = 1; + } + +@@ -2017,6 +2027,27 @@ gld${EMULATION_NAME}_place_orphan (asect + EOF + fi + ++fragment <<EOF ++ ++/* Final emulation specific call. */ ++ ++static void ++gld${EMULATION_NAME}_finish (void) ++{ ++EOF ++if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then ++fragment <<EOF ++ /* Support the object-only output. */ ++ if (link_info.emit_gnu_object_only) ++ orphan_init_done = 0; ++ ++EOF ++fi ++fragment <<EOF ++ finish_default (); ++} ++EOF ++ + if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then + fragment <<EOF + +@@ -2503,7 +2534,7 @@ struct ld_emulation_xfer_struct ld_${EMU + ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, + "${EMULATION_NAME}", + "${OUTPUT_FORMAT}", +- ${LDEMUL_FINISH-finish_default}, ++ ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, + ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, + ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, + ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, +diff -rup binutils-2.26.orig/ld/emultempl/ppc32elf.em binutils-2.26/ld/emultempl/ppc32elf.em +--- binutils-2.26.orig/ld/emultempl/ppc32elf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/ppc32elf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -215,7 +215,7 @@ ppc_finish (void) + { + if (params.ppc476_workaround) + lang_for_each_statement (no_zero_padding); +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + EOF +diff -rup binutils-2.26.orig/ld/emultempl/ppc64elf.em binutils-2.26/ld/emultempl/ppc64elf.em +--- binutils-2.26.orig/ld/emultempl/ppc64elf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/ppc64elf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -562,7 +562,7 @@ gld${EMULATION_NAME}_after_allocation (v + /* Final emulation specific call. */ + + static void +-gld${EMULATION_NAME}_finish (void) ++ppc_finish (void) + { + char *msg = NULL; + char *line, *endline; +@@ -594,7 +594,7 @@ gld${EMULATION_NAME}_finish (void) + free (msg); + + ppc64_elf_restore_symbols (&link_info); +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + +@@ -928,4 +928,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_AFTER_OPEN=ppc_after_open + LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation + LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=ppc_finish +diff -rup binutils-2.26.orig/ld/emultempl/spuelf.em binutils-2.26/ld/emultempl/spuelf.em +--- binutils-2.26.orig/ld/emultempl/spuelf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/spuelf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -416,7 +416,7 @@ spu_elf_relink (void) + /* Final emulation specific call. */ + + static void +-gld${EMULATION_NAME}_finish (void) ++spu_finish (void) + { + if (is_spu_target ()) + { +@@ -432,7 +432,7 @@ gld${EMULATION_NAME}_finish (void) + einfo ("%P: --auto-overlay ignored with zero local store range\n"); + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + static char * +@@ -832,5 +832,5 @@ PARSE_AND_LIST_ARGS_CASES=' + + LDEMUL_AFTER_OPEN=spu_after_open + LDEMUL_BEFORE_ALLOCATION=spu_before_allocation +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=spu_finish + LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target +diff -rup binutils-2.26.orig/ld/ldexp.c binutils-2.26/ld/ldexp.c +--- binutils-2.26.orig/ld/ldexp.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldexp.c 2016-02-19 09:35:54.917106588 +0000 +@@ -1616,14 +1616,15 @@ align_n (bfd_vma value, bfd_vma align) + } + + void +-ldexp_init (void) ++ldexp_init (bfd_boolean object_only) + { + /* The value "13" is ad-hoc, somewhat related to the expected number of + assignments in a linker script. */ +- if (!bfd_hash_table_init_n (&definedness_table, +- definedness_newfunc, +- sizeof (struct definedness_hash_entry), +- 13)) ++ if (!object_only ++ && !bfd_hash_table_init_n (&definedness_table, ++ definedness_newfunc, ++ sizeof (struct definedness_hash_entry), ++ 13)) + einfo (_("%P%F: can not create hash table: %E\n")); + } + +@@ -1658,7 +1659,8 @@ ldexp_finalize_syms (void) + } + + void +-ldexp_finish (void) ++ldexp_finish (bfd_boolean object_only) + { +- bfd_hash_table_free (&definedness_table); ++ if (!object_only) ++ bfd_hash_table_free (&definedness_table); + } +diff -rup binutils-2.26.orig/ld/ldexp.h binutils-2.26/ld/ldexp.h +--- binutils-2.26.orig/ld/ldexp.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldexp.h 2016-02-19 09:35:54.917106588 +0000 +@@ -229,8 +229,8 @@ fill_type *exp_get_fill + (etree_type *, fill_type *, char *); + bfd_vma exp_get_abs_int + (etree_type *, int, char *); +-void ldexp_init (void); ++void ldexp_init (bfd_boolean); + void ldexp_finalize_syms (void); +-void ldexp_finish (void); ++void ldexp_finish (bfd_boolean); + + #endif +diff -rup binutils-2.26.orig/ld/ldfile.c binutils-2.26/ld/ldfile.c +--- binutils-2.26.orig/ld/ldfile.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldfile.c 2016-02-19 09:35:54.918106594 +0000 +@@ -313,7 +313,9 @@ success: + && !no_more_claiming + && bfd_check_format (entry->the_bfd, bfd_object)) + plugin_maybe_claim (entry); ++ else + #endif /* ENABLE_PLUGINS */ ++ cmdline_check_object_only_section (entry->the_bfd, FALSE); + + /* It opened OK, the format checked out, and the plugins have had + their chance to claim it, so this is success. */ +diff -rup binutils-2.26.orig/ld/ldlang.c binutils-2.26/ld/ldlang.c +--- binutils-2.26.orig/ld/ldlang.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlang.c 2016-02-19 09:35:54.921106611 +0000 +@@ -36,6 +36,7 @@ + #include "ldctor.h" + #include "ldfile.h" + #include "ldemul.h" ++#include "ldwrite.h" + #include "fnmatch.h" + #include "demangle.h" + #include "hashtab.h" +@@ -45,6 +46,9 @@ + #include "plugin.h" + #endif /* ENABLE_PLUGINS */ + ++/* FIXME: Put it here to avoid NAME conflict from ldgram.h. */ ++#include "elf-bfd.h" ++ + #ifndef offsetof + #define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER)) + #endif +@@ -68,6 +72,9 @@ static lang_statement_list_type *stat_sa + static lang_statement_list_type **stat_save_ptr = &stat_save[0]; + static struct unique_sections *unique_section_list; + static struct asneeded_minfo *asneeded_list_head; ++static cmdline_list_type cmdline_object_only_file_list; ++static cmdline_list_type cmdline_object_only_archive_list; ++static cmdline_list_type cmdline_temp_object_only_list; + + /* Forward declarations. */ + static void exp_init_os (etree_type *); +@@ -86,6 +93,10 @@ static void lang_do_version_exports_sect + static void lang_finalize_version_expr_head + (struct bfd_elf_version_expr_head *); + static void lang_do_memory_regions (void); ++static void cmdline_lists_init (void); ++static void cmdline_get_object_only_input_files (void); ++static void print_cmdline_list (cmdline_union_type *); ++static bfd_boolean cmdline_on_object_only_archive_list_p (bfd *); + + /* Exported variables. */ + const char *output_target; +@@ -1219,14 +1230,17 @@ output_section_statement_table_free (voi + /* Build enough state so that the parser can build its tree. */ + + void +-lang_init (void) ++lang_init (bfd_boolean object_only) + { +- obstack_begin (&stat_obstack, 1000); ++ if (!object_only) ++ obstack_begin (&stat_obstack, 1000); + + stat_ptr = &statement_list; + + output_section_statement_table_init (); + ++ cmdline_lists_init (); ++ + lang_list_init (stat_ptr); + + lang_list_init (&input_file_chain); +@@ -2843,6 +2857,12 @@ load_symbols (lang_input_statement_type + loaded = FALSE; + } + ++ if (link_info.emitting_gnu_object_only) ++ { ++ if (!cmdline_on_object_only_archive_list_p (member)) ++ continue; ++ } ++ + subsbfd = member; + if (!(*link_info.callbacks + ->add_archive_element) (&link_info, member, +@@ -6780,7 +6800,38 @@ lang_process (void) + open_input_bfds (statement_list.head, OPEN_BFD_RESCAN); + } + } ++ else + #endif /* ENABLE_PLUGINS */ ++ if (bfd_link_relocatable (&link_info)) ++ { ++ /* Check if .gnu_object_only section should be created. */ ++ bfd *p; ++ int object_type; ++ ++ object_type = 0; ++ for (p = link_info.input_bfds; p != (bfd *) NULL; p = p->link.next) ++ { ++ object_type |= 1 << p->lto_type; ++ if ((object_type & (1 << lto_mixed_object)) != 0 ++ || ((object_type ++ & (1 << lto_non_ir_object ++ | 1 << lto_ir_object)) ++ == (1 << lto_non_ir_object | 1 << lto_ir_object))) ++ { ++ link_info.emit_gnu_object_only = TRUE; ++ break; ++ } ++ } ++ ++ if (verbose ++ && (cmdline_object_only_file_list.head ++ || cmdline_object_only_archive_list.head)) ++ { ++ info_msg (_("Object-only input files:\n ")); ++ print_cmdline_list (cmdline_object_only_file_list.head); ++ print_cmdline_list (cmdline_object_only_archive_list.head); ++ } ++ } + + link_info.gc_sym_list = &entry_symbol; + if (entry_symbol.name == NULL) +@@ -8275,3 +8326,965 @@ lang_print_memory_usage (void) + printf (" %6.2f%%\n", percent); + } + } ++ ++static void ++cmdline_lists_init (void) ++{ ++ cmdline_object_only_file_list.tail ++ = &cmdline_object_only_file_list.head; ++ cmdline_object_only_archive_list.tail ++ = &cmdline_object_only_archive_list.head; ++ cmdline_temp_object_only_list.tail ++ = &cmdline_temp_object_only_list.head; ++} ++ ++/* Allocate an item with TYPE and DATA. */ ++ ++static cmdline_union_type * ++cmdline_list_new (cmdline_enum_type type, void *data) ++{ ++ cmdline_union_type *new_opt; ++ ++ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); ++ new_opt->header.type = type; ++ switch (type) ++ { ++ default: ++ break; ++ case cmdline_is_file_enum: ++ new_opt->file.filename = (const char *) data; ++ break; ++ case cmdline_is_bfd_enum: ++ new_opt->abfd.abfd = (bfd *) data; ++ break; ++ } ++ return new_opt; ++} ++ ++/* Append an item with TYPE and DATA to LIST. */ ++ ++static void ++cmdline_list_append (cmdline_list_type *list, cmdline_enum_type type, ++ void *data) ++{ ++ cmdline_union_type *new_opt = cmdline_list_new (type, data); ++ new_opt->header.next = NULL; ++ *list->tail = new_opt; ++ list->tail = &new_opt->header.next; ++} ++ ++static void ++print_cmdline_list (cmdline_union_type *c) ++{ ++ for (; c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ info_msg (" %s", c->file.filename); ++ break; ++ case cmdline_is_bfd_enum: ++ info_msg (" [%B]", c->abfd.abfd); ++ break; ++ } ++ ++ info_msg ("\n"); ++} ++ ++/* Return TRUE if ABFD is on cmdline_object_only_archive_list. */ ++ ++static bfd_boolean ++cmdline_on_object_only_archive_list_p (bfd *abfd) ++{ ++ cmdline_union_type *c, *next; ++ bfd *archive, *obfd, *oarchive; ++ ufile_ptr origin = abfd->origin; ++ ++ archive = bfd_my_archive (abfd); ++ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ obfd = c->abfd.abfd; ++ oarchive = bfd_my_archive (obfd); ++ ++ /* The list is grouped by archive file name and sorted by member ++ origin. */ ++ if (strcmp (archive->filename, oarchive->filename) != 0) ++ continue; ++ ++ if (origin == obfd->origin) ++ return TRUE; ++ else if (origin < obfd->origin) ++ return FALSE; ++ } ++ ++ return FALSE; ++} ++ ++/* Append an item with TYPE and DATA to cmdline_object_only_file_list ++ or cmdline_object_only_archive_list if needed. */ ++ ++static void ++cmdline_object_only_list_append (cmdline_enum_type type, void *data) ++{ ++ cmdline_union_type *c; ++ cmdline_union_type *new_opt, *next, **prev; ++ bfd *abfd, *archive; ++ bfd *obfd, *oarchive; ++ bfd *nbfd, *narchive; ++ ufile_ptr origin, norigin; ++ ++ /* Put it on cmdline_object_only_file_list if it isn't an archive ++ member. */ ++ switch (type) ++ { ++ default: ++ abort (); ++ case cmdline_is_bfd_enum: ++ abfd = (bfd *) data; ++ archive = bfd_my_archive (abfd); ++ if (archive) ++ break; ++ case cmdline_is_file_enum: ++ cmdline_list_append (&cmdline_object_only_file_list, type, data); ++ return; ++ } ++ ++ /* Put archive member on cmdline_object_only_archive_list and sort ++ the list by archive name and archive member origin. */ ++ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); ++ new_opt->header.type = cmdline_is_bfd_enum; ++ new_opt->header.next = NULL; ++ new_opt->abfd.abfd = (bfd *) data; ++ ++ c = cmdline_object_only_archive_list.head; ++ if (c == NULL) ++ { ++ cmdline_object_only_archive_list.head = new_opt; ++ cmdline_object_only_archive_list.tail = &new_opt->header.next; ++ return; ++ } ++ ++ prev = NULL; ++ origin = abfd->origin; ++ for (; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ ++ obfd = c->abfd.abfd; ++ oarchive = bfd_my_archive (obfd); ++ ++ if (strcmp (archive->filename, oarchive->filename) == 0) ++ { ++ bfd_boolean after; ++ ++ if (origin < obfd->origin) ++ { ++ /* Insert it before the current. */ ++ new_opt->header.next = c; ++ if (prev) ++ *prev = new_opt; ++ else ++ cmdline_object_only_archive_list.head = new_opt; ++ return; ++ } ++ ++ after = TRUE; ++ ++ /* Check origin. */ ++ while (next) ++ { ++ if (next->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ nbfd = next->abfd.abfd; ++ norigin = nbfd->origin; ++ if (origin > norigin) ++ { ++ /* Insert it after NEXT. */ ++ break; ++ } ++ ++ narchive = bfd_my_archive (nbfd); ++ if (strcmp (archive->filename, narchive->filename) != 0) ++ { ++ /* Insert it befor NEXT. */ ++ after = FALSE; ++ break; ++ } ++ ++ c = next; ++ next = next->header.next; ++ } ++ ++ if (after && next) ++ { ++ c = next; ++ next = next->header.next; ++ } ++ ++ if (*cmdline_object_only_archive_list.tail == c->header.next) ++ cmdline_object_only_archive_list.tail ++ = &new_opt->header.next; ++ ++ prev = &c->header.next; ++ new_opt->header.next = next; ++ *prev = new_opt; ++ return; ++ } ++ ++ prev = &c->header.next; ++ } ++ ++ *cmdline_object_only_archive_list.tail = new_opt; ++ cmdline_object_only_archive_list.tail = &new_opt->header.next; ++} ++ ++/* Get object-only input files. */ ++ ++static void ++cmdline_get_object_only_input_files (void) ++{ ++ cmdline_union_type *c, *next; ++ bfd *abfd, *archive; ++ bfd *nbfd, *narchive; ++ ++ /* Add files first. */ ++ for (c = cmdline_object_only_file_list.head; ++ c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ lang_add_input_file (c->file.filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ case cmdline_is_bfd_enum: ++ abfd = c->abfd.abfd; ++ if (bfd_my_archive (abfd)) ++ abort (); ++ lang_add_input_file (abfd->filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ } ++ ++ /* Add archive members next. */ ++ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ ++ abfd = c->abfd.abfd; ++ archive = bfd_my_archive (abfd); ++ ++ /* Add the first archive of the archive member group. */ ++ lang_add_input_file (archive->filename, ++ lang_input_file_is_file_enum, NULL); ++ ++ /* Skip the rest members in the archive member group. */ ++ do ++ { ++ if (!next) ++ break; ++ ++ if (next->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = next->header.next; ++ if (!next) ++ break; ++ nbfd = next->abfd.abfd; ++ narchive = bfd_my_archive (nbfd); ++ } ++ while (strcmp (archive->filename, narchive->filename) == 0); ++ } ++} ++ ++struct cmdline_arg ++{ ++ bfd *obfd; ++ asymbol **isympp; ++ int status; ++}; ++ ++/* Create a section in OBFD with the same ++ name and attributes as ISECTION in IBFD. */ ++ ++static void ++setup_section (bfd *ibfd, sec_ptr isection, void *p) ++{ ++ struct cmdline_arg *arg = (struct cmdline_arg *) p; ++ bfd *obfd = arg->obfd; ++ asymbol **isympp = arg->isympp; ++ const char *name = isection->name; ++ sec_ptr osection; ++ const char *err; ++ ++ /* Skip the object-only section. */ ++ if (ibfd->object_only_section == isection) ++ return; ++ ++ /* If we have already failed earlier on, do not keep on generating ++ complaints now. */ ++ if (arg->status) ++ return; ++ ++ osection = bfd_make_section_anyway_with_flags (obfd, name, ++ isection->flags); ++ ++ if (osection == NULL) ++ { ++ err = _("failed to create output section"); ++ goto loser; ++ } ++ ++ osection->size = isection->size; ++ osection->vma = isection->vma; ++ osection->lma = isection->lma; ++ osection->alignment_power = isection->alignment_power; ++ ++ /* Copy merge entity size. */ ++ osection->entsize = isection->entsize; ++ ++ /* This used to be mangle_section; we do here to avoid using ++ bfd_get_section_by_name since some formats allow multiple ++ sections with the same name. */ ++ isection->output_section = osection; ++ isection->output_offset = 0; ++ ++ if ((isection->flags & SEC_GROUP) != 0) ++ { ++ asymbol *gsym = bfd_group_signature (isection, isympp); ++ ++ if (gsym != NULL) ++ { ++ gsym->flags |= BSF_KEEP; ++ if (ibfd->xvec->flavour == bfd_target_elf_flavour) ++ elf_group_id (isection) = gsym; ++ } ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input section to the output section. */ ++ if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) ++ { ++ err = _("failed to copy private data"); ++ goto loser; ++ } ++ ++ /* All went well. */ ++ return; ++ ++loser: ++ arg->status = 1; ++ einfo (_("%P%F: setup_section: %s: %s\n"), err, name); ++} ++ ++/* Copy the data of input section ISECTION of IBFD ++ to an output section with the same name in OBFD. ++ If stripping then don't copy any relocation info. */ ++ ++static void ++copy_section (bfd *ibfd, sec_ptr isection, void *p) ++{ ++ struct cmdline_arg *arg = (struct cmdline_arg *) p; ++ bfd *obfd = arg->obfd; ++ asymbol **isympp = arg->isympp; ++ arelent **relpp; ++ long relcount; ++ sec_ptr osection; ++ bfd_size_type size; ++ long relsize; ++ flagword flags; ++ const char *err; ++ ++ /* Skip the object-only section. */ ++ if (ibfd->object_only_section == isection) ++ return; ++ ++ /* If we have already failed earlier on, do not keep on generating ++ complaints now. */ ++ if (arg->status) ++ return; ++ ++ flags = bfd_get_section_flags (ibfd, isection); ++ if ((flags & SEC_GROUP) != 0) ++ return; ++ ++ osection = isection->output_section; ++ size = bfd_get_section_size (isection); ++ ++ if (size == 0 || osection == 0) ++ return; ++ ++ relsize = bfd_get_reloc_upper_bound (ibfd, isection); ++ ++ if (relsize < 0) ++ { ++ /* Do not complain if the target does not support relocations. */ ++ if (relsize == -1 ++ && bfd_get_error () == bfd_error_invalid_operation) ++ relsize = 0; ++ else ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ } ++ ++ if (relsize == 0) ++ bfd_set_reloc (obfd, osection, NULL, 0); ++ else ++ { ++ relpp = (arelent **) xmalloc (relsize); ++ relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); ++ if (relcount < 0) ++ { ++ err = _("relocation count is negative"); ++ goto loser; ++ } ++ ++ bfd_set_reloc (obfd, osection, ++ relcount == 0 ? NULL : relpp, relcount); ++ if (relcount == 0) ++ free (relpp); ++ } ++ ++ if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) ++ { ++ bfd_byte *memhunk = NULL; ++ ++ if (!bfd_get_full_section_contents (ibfd, isection, &memhunk)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ free (memhunk); ++ } ++ ++ /* All went well. */ ++ return; ++ ++loser: ++ einfo (_("%P%F: copy_section: %s: %s\n"), err, isection->name); ++} ++/* Open the temporary bfd created in the same directory as PATH. */ ++ ++static bfd * ++cmdline_fopen_temp (const char *path, const char *target, ++ const char *mode) ++{ ++#define template "ldXXXXXX" ++ const char *slash = strrchr (path, '/'); ++ char *tmpname; ++ size_t len; ++ int fd; ++ ++#ifdef HAVE_DOS_BASED_FILE_SYSTEM ++ { ++ /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ ++ char *bslash = strrchr (path, '\\'); ++ ++ if (slash == NULL || (bslash != NULL && bslash > slash)) ++ slash = bslash; ++ if (slash == NULL && path[0] != '\0' && path[1] == ':') ++ slash = path + 1; ++ } ++#endif ++ ++ if (slash != (char *) NULL) ++ { ++ len = slash - path; ++ tmpname = (char *) xmalloc (len + sizeof (template) + 2); ++ memcpy (tmpname, path, len); ++ ++#ifdef HAVE_DOS_BASED_FILE_SYSTEM ++ /* If tmpname is "X:", appending a slash will make it a root ++ directory on drive X, which is NOT the same as the current ++ directory on drive X. */ ++ if (len == 2 && tmpname[1] == ':') ++ tmpname[len++] = '.'; ++#endif ++ tmpname[len++] = '/'; ++ } ++ else ++ { ++ tmpname = (char *) xmalloc (sizeof (template)); ++ len = 0; ++ } ++ ++ memcpy (tmpname + len, template, sizeof (template)); ++#undef template ++ ++#ifdef HAVE_MKSTEMP ++ fd = mkstemp (tmpname); ++#else ++ tmpname = mktemp (tmpname); ++ if (tmpname == NULL) ++ return NULL; ++ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); ++#endif ++ if (fd == -1) ++ return NULL; ++ return bfd_fopen (tmpname, target, mode, fd); ++} ++ ++/* Add the object-only section. */ ++ ++static void ++cmdline_add_object_only_section (bfd_byte *contents, size_t size) ++{ ++ bfd_vma start; ++ flagword flags; ++ enum bfd_architecture iarch; ++ unsigned int imach; ++ long symcount; ++ long symsize; ++ asymbol **isympp = NULL; ++ asymbol **osympp = NULL; ++ bfd *obfd = NULL, *ibfd; ++ const char *err; ++ struct arg ++ { ++ bfd *obfd; ++ asymbol **isympp; ++ int status; ++ } arg; ++ char **matching; ++ char *ofilename = NULL; ++ asection *sec; ++ ++ ibfd = bfd_openr (output_filename, output_target); ++ if (!ibfd) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ if (!bfd_check_format_matches (ibfd, bfd_object, &matching)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ obfd = cmdline_fopen_temp (output_filename, output_target, "w"); ++ if (!obfd) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ /* To be used after bfd_close (). */ ++ ofilename = xstrdup (bfd_get_filename (obfd)); ++ ++ if (!bfd_set_format (obfd, bfd_object)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ /* Copy the start address, flags and architecture of input file to ++ output file. */ ++ flags = bfd_get_file_flags (ibfd); ++ start = bfd_get_start_address (ibfd); ++ iarch = bfd_get_arch (ibfd); ++ imach = bfd_get_mach (ibfd); ++ if (!bfd_set_start_address (obfd, start) ++ || !bfd_set_file_flags (obfd, flags) ++ || !bfd_set_arch_mach (obfd, iarch, imach)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ symsize = bfd_get_symtab_upper_bound (ibfd); ++ if (symsize < 0) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ isympp = (asymbol **) xmalloc (symsize); ++ symcount = bfd_canonicalize_symtab (ibfd, isympp); ++ if (symcount < 0) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ arg.obfd = obfd; ++ arg.isympp = isympp; ++ arg.status = 0; ++ ++ /* BFD mandates that all output sections be created and sizes set before ++ any output is done. Thus, we traverse all sections multiple times. */ ++ bfd_map_over_sections (ibfd, setup_section, &arg); ++ ++ if (arg.status) ++ { ++ err = _("error setting up sections"); ++ goto loser; ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input section to the output section. */ ++ if (! bfd_copy_private_header_data (ibfd, obfd)) ++ { ++ err = _("error copying private header data"); ++ goto loser; ++ } ++ ++ /* Create the object-only section. */ ++ sec = bfd_make_section_with_flags (obfd, ++ GNU_OBJECT_ONLY_SECTION_NAME, ++ (SEC_HAS_CONTENTS ++ | SEC_READONLY ++ | SEC_DATA ++ | SEC_LINKER_CREATED)); ++ if (sec == NULL) ++ { ++ err = _("can't create object-only section"); ++ goto loser; ++ } ++ ++ if (! bfd_set_section_size (obfd, sec, size)) ++ { ++ err = _("can't set object-only section size"); ++ goto loser; ++ } ++ ++ if (ibfd->object_only_section) ++ { ++ /* Filter out the object-only section symbol. */ ++ long src_count = 0, dst_count = 0; ++ asymbol **from, **to; ++ ++ osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); ++ from = isympp; ++ to = osympp; ++ for (; src_count < symcount; src_count++) ++ { ++ asymbol *sym = from[src_count]; ++ if (bfd_get_section (sym) != ibfd->object_only_section) ++ to[dst_count++] = sym; ++ } ++ to[dst_count] = NULL; ++ symcount = dst_count; ++ bfd_set_symtab (obfd, osympp, symcount); ++ } ++ else ++ bfd_set_symtab (obfd, isympp, symcount); ++ ++ /* This has to happen after the symbol table has been set. */ ++ bfd_map_over_sections (ibfd, copy_section, &arg); ++ ++ if (arg.status) ++ { ++ err = _("error copying sections"); ++ goto loser; ++ } ++ ++ /* Copy the object-only section to the output. */ ++ if (! bfd_set_section_contents (obfd, sec, contents, 0, size)) ++ { ++ err = _("error adding object-only section"); ++ goto loser; ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input BFD to the output BFD. This is done last to ++ permit the routine to look at the filtered symbol table, which is ++ important for the ECOFF code at least. */ ++ if (! bfd_copy_private_bfd_data (ibfd, obfd)) ++ { ++ err = _("error copying private BFD data"); ++ goto loser; ++ } ++ ++ if (!bfd_close (obfd)) ++ { ++ unlink (ofilename); ++ einfo (_("%P%F: failed to finish output with object-only section\n")); ++ } ++ ++ /* Must be freed after bfd_close (). */ ++ free (isympp); ++ if (osympp) ++ free (osympp); ++ ++ if (rename (ofilename, output_filename)) ++ { ++ unlink (ofilename); ++ einfo (_("%P%F: failed to rename output with object-only section\n")); ++ } ++ ++ free (ofilename); ++ return; ++ ++loser: ++ if (isympp) ++ free (isympp); ++ if (osympp) ++ free (osympp); ++ if (obfd) ++ bfd_close (obfd); ++ if (ofilename) ++ unlink (ofilename); ++ einfo (_("%P%F: failed to add object-only section: %s\n"), err); ++} ++ ++/* Emit the final output with object-only section. */ ++ ++void ++cmdline_emit_object_only_section (void) ++{ ++ const char *saved_output_filename = output_filename; ++ int fd; ++ size_t size, off; ++ bfd_byte *contents; ++ struct stat st; ++ ++ /* Get a temporary object-only file. */ ++ output_filename = make_temp_file (".obj-only.o"); ++ ++ had_output_filename = FALSE; ++ link_info.input_bfds = NULL; ++ link_info.input_bfds_tail = &link_info.input_bfds; ++ ++ lang_init (TRUE); ++ ldexp_init (TRUE); ++ ++ ld_parse_linker_script (); ++ ++ /* Set up the object-only output. */ ++ lang_final (); ++ ++ /* Open the object-only file for output. */ ++ lang_for_each_statement (ldlang_open_output); ++ ++ ldemul_create_output_section_statements (); ++ ++ if (!bfd_section_already_linked_table_init ()) ++ einfo (_("%P%F: Failed to create hash table\n")); ++ ++ /* Call cmdline_on_object_only_archive_list_p to check which member ++ should be loaded. */ ++ input_flags.whole_archive = TRUE; ++ ++ /* Set it to avoid adding more to cmdline lists. */ ++ link_info.emitting_gnu_object_only = TRUE; ++ ++ /* Get object-only input files. */ ++ cmdline_get_object_only_input_files (); ++ ++ /* Open object-only input files. */ ++ open_input_bfds (statement_list.head, FALSE); ++ ++ ldemul_after_open (); ++ ++ bfd_section_already_linked_table_free (); ++ ++ /* Make sure that we're not mixing architectures. We call this ++ after all the input files have been opened, but before we do any ++ other processing, so that any operations merge_private_bfd_data ++ does on the output file will be known during the rest of the ++ link. */ ++ lang_check (); ++ ++ /* Size up the common data. */ ++ lang_common (); ++ ++ /* Update wild statements. */ ++ update_wild_statements (statement_list.head); ++ ++ /* Run through the contours of the script and attach input sections ++ to the correct output sections. */ ++ map_input_to_output_sections (statement_list.head, NULL, NULL); ++ ++ /* Find any sections not attached explicitly and handle them. */ ++ lang_place_orphans (); ++ ++ /* Do anything special before sizing sections. This is where ELF ++ and other back-ends size dynamic sections. */ ++ ldemul_before_allocation (); ++ ++ /* Size up the sections. */ ++ lang_size_sections (NULL, ! RELAXATION_ENABLED); ++ ++ /* See if anything special should be done now we know how big ++ everything is. This is where relaxation is done. */ ++ ldemul_after_allocation (); ++ ++ ldemul_finish (); ++ ++ /* Make sure that the section addresses make sense. */ ++ if (command_line.check_section_addresses) ++ lang_check_section_addresses (); ++ ++ lang_end (); ++ ++ ldwrite (); ++ ++ ldexp_finish (TRUE); ++ lang_finish (); ++ ++ if (! bfd_close (link_info.output_bfd)) ++ einfo (_("%P%F:%s: final close failed on object-only output: %E\n"), ++ output_filename); ++ ++ /* Read in the object-only file. */ ++ fd = open (output_filename, O_RDONLY | O_BINARY); ++ if (fd < 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: cannot open object-only output: %E"), ++ output_filename); ++ } ++ ++ /* Get the object-only file size. */ ++ if (fstat (fd, &st) != 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: cannot stat object-only output: %E"), ++ output_filename); ++ } ++ ++ size = st.st_size; ++ off = 0; ++ contents = (bfd_byte *) xmalloc (size); ++ while (off != size) ++ { ++ ssize_t got; ++ ++ got = read (fd, contents + off, size - off); ++ if (got < 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: read failed on object-only output: %E"), ++ output_filename); ++ } ++ ++ off += got; ++ } ++ ++ close (fd); ++ ++ /* Remove the temporary object-only file. */ ++ unlink (output_filename); ++ ++ output_filename = saved_output_filename; ++ ++ cmdline_add_object_only_section (contents, size); ++ ++ free (contents); ++} ++ ++/* Extract the object-only section. */ ++ ++static const char * ++cmdline_extract_object_only_section (bfd *abfd) ++{ ++ const char *name = bfd_extract_object_only_section (abfd); ++ ++ if (name == NULL) ++ einfo (_("%P%F: cannot extract object-only section from %B: %E"), ++ abfd); ++ ++ /* It should be removed after it is done. */ ++ cmdline_list_append (&cmdline_temp_object_only_list, ++ cmdline_is_file_enum, (void *) name); ++ ++ return name; ++} ++ ++/* Check and handle the object-only section. */ ++ ++void ++cmdline_check_object_only_section (bfd *abfd, bfd_boolean lto) ++{ ++ const char *filename; ++ ++ if (link_info.emitting_gnu_object_only ++ || abfd->format != bfd_object) ++ return; ++ ++ if (lto) ++ { ++ /* For LTO link, we only need to extract object-only section ++ from the mixed object, add it to input, and put it on LTO ++ claimed output. */ ++ switch (abfd->lto_type) ++ { ++ default: ++ abort (); ++ case lto_mixed_object: ++ filename = cmdline_extract_object_only_section (abfd); ++ lang_add_input_file (filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ case lto_non_ir_object: ++ case lto_ir_object: ++ break; ++ } ++ } ++ else if (bfd_link_relocatable (&link_info)) ++ { ++ /* For non-LTO relocatable link, we need to append non-IR object ++ file and the object file in object-only section to the object ++ only list. */ ++ switch (abfd->lto_type) ++ { ++ default: ++ abort (); ++ case lto_mixed_object: ++ filename = cmdline_extract_object_only_section (abfd); ++ cmdline_object_only_list_append (cmdline_is_file_enum, ++ (void *) filename); ++ break; ++ case lto_non_ir_object: ++ cmdline_object_only_list_append (cmdline_is_bfd_enum, abfd); ++ break; ++ case lto_ir_object: ++ break; ++ } ++ } ++} ++ ++/* Remove temporary object-only files. */ ++ ++void ++cmdline_remove_object_only_files (void) ++{ ++ cmdline_union_type *c; ++ ++#ifdef ENABLE_PLUGINS ++ if (plugin_save_temps) ++ return; ++#endif ++ ++ c = cmdline_temp_object_only_list.head; ++ for (; c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ unlink (c->file.filename); ++ break; ++ } ++} +diff -rup binutils-2.26.orig/ld/ldlang.h binutils-2.26/ld/ldlang.h +--- binutils-2.26.orig/ld/ldlang.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlang.h 2016-02-19 09:35:54.921106611 +0000 +@@ -517,7 +517,7 @@ extern struct asneeded_minfo **asneeded_ + extern void (*output_bfd_hash_table_free_fn) (struct bfd_link_hash_table *); + + extern void lang_init +- (void); ++ (bfd_boolean); + extern void lang_finish + (void); + extern lang_memory_region_type * lang_memory_region_lookup +@@ -693,4 +693,45 @@ lang_ld_feature (char *); + extern void + lang_print_memory_usage (void); + ++typedef enum ++{ ++ cmdline_is_file_enum, ++ cmdline_is_bfd_enum ++} cmdline_enum_type; ++ ++typedef struct cmdline_header_struct ++{ ++ union cmdline_union *next; ++ cmdline_enum_type type; ++} cmdline_header_type; ++ ++typedef struct cmdline_file_struct ++{ ++ cmdline_header_type header; ++ const char *filename; ++} cmdline_file_type; ++ ++typedef struct cmdline_bfd_struct ++{ ++ cmdline_header_type header; ++ bfd *abfd; ++} cmdline_bfd_type; ++ ++typedef union cmdline_union ++{ ++ cmdline_header_type header; ++ cmdline_file_type file; ++ cmdline_bfd_type abfd; ++} cmdline_union_type; ++ ++typedef struct cmdline_list ++{ ++ cmdline_union_type *head; ++ cmdline_union_type **tail; ++} cmdline_list_type; ++ ++extern void cmdline_emit_object_only_section (void); ++extern void cmdline_check_object_only_section (bfd *, bfd_boolean); ++extern void cmdline_remove_object_only_files (void); ++ + #endif +diff -rup binutils-2.26.orig/ld/ldlex.h binutils-2.26/ld/ldlex.h +--- binutils-2.26.orig/ld/ldlex.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlex.h 2016-02-19 09:35:54.921106611 +0000 +@@ -134,6 +134,7 @@ enum option_values + #ifdef ENABLE_PLUGINS + OPTION_PLUGIN, + OPTION_PLUGIN_OPT, ++ OPTION_PLUGIN_SAVE_TEMPS, + #endif /* ENABLE_PLUGINS */ + OPTION_DEFAULT_SCRIPT, + OPTION_PRINT_OUTPUT_FORMAT, +diff -rup binutils-2.26.orig/ld/ldmain.c binutils-2.26/ld/ldmain.c +--- binutils-2.26.orig/ld/ldmain.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldmain.c 2016-02-19 09:35:54.922106617 +0000 +@@ -219,6 +219,9 @@ main (int argc, char **argv) + + xatexit (ld_cleanup); + ++ /* Remove temporary object-only files. */ ++ xatexit (cmdline_remove_object_only_files); ++ + /* Set up the sysroot directory. */ + ld_sysroot = get_sysroot (argc, argv); + if (*ld_sysroot) +@@ -291,8 +294,8 @@ main (int argc, char **argv) + default_target = ldemul_choose_target (argc, argv); + config.maxpagesize = bfd_emul_get_maxpagesize (default_target); + config.commonpagesize = bfd_emul_get_commonpagesize (default_target); +- lang_init (); +- ldexp_init (); ++ lang_init (FALSE); ++ ldexp_init (FALSE); + ldemul_before_parse (); + lang_has_input_file = FALSE; + parse_args (argc, argv); +@@ -307,34 +310,7 @@ main (int argc, char **argv) + + ldemul_set_symbols (); + +- /* If we have not already opened and parsed a linker script, +- try the default script from command line first. */ +- if (saved_script_handle == NULL +- && command_line.default_script != NULL) +- { +- ldfile_open_command_file (command_line.default_script); +- parser_input = input_script; +- yyparse (); +- } +- +- /* If we have not already opened and parsed a linker script +- read the emulation's appropriate default script. */ +- if (saved_script_handle == NULL) +- { +- int isfile; +- char *s = ldemul_get_script (&isfile); +- +- if (isfile) +- ldfile_open_default_command_file (s); +- else +- { +- lex_string = s; +- lex_redirect (s, _("built in linker script"), 1); +- } +- parser_input = input_script; +- yyparse (); +- lex_string = NULL; +- } ++ ld_parse_linker_script (); + + if (verbose) + { +@@ -445,7 +421,7 @@ main (int argc, char **argv) + fprintf (stderr, "lookup = %p val %lx\n", h, h ? h->u.def.value : 1); + } + #endif +- ldexp_finish (); ++ ldexp_finish (FALSE); + lang_finish (); + + /* Even if we're producing relocatable output, some non-fatal errors should +@@ -465,6 +441,8 @@ main (int argc, char **argv) + if (! bfd_close (link_info.output_bfd)) + einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd); + ++ link_info.output_bfd = NULL; ++ + /* If the --force-exe-suffix is enabled, and we're making an + executable file and it doesn't end in .exe, copy it to one + which does. */ +@@ -512,6 +490,9 @@ main (int argc, char **argv) + } + } + ++ if (link_info.emit_gnu_object_only) ++ cmdline_emit_object_only_section (); ++ + END_PROGRESS (program_name); + + if (config.stats) +@@ -805,7 +786,9 @@ add_archive_element (struct bfd_link_inf + *subsbfd = input->the_bfd; + } + } ++ else + #endif /* ENABLE_PLUGINS */ ++ cmdline_check_object_only_section (input->the_bfd, FALSE); + + ldlang_add_file (input); + +@@ -1484,3 +1467,38 @@ notice (struct bfd_link_info *info, + + return TRUE; + } ++ ++/* Parse the linker script. */ ++ ++void ++ld_parse_linker_script () ++{ ++ /* If we have not already opened and parsed a linker script, ++ try the default script from command line first. */ ++ if (saved_script_handle == NULL ++ && command_line.default_script != NULL) ++ { ++ ldfile_open_command_file (command_line.default_script); ++ parser_input = input_script; ++ yyparse (); ++ } ++ ++ /* If we have not already opened and parsed a linker script ++ read the emulation's appropriate default script. */ ++ if (saved_script_handle == NULL) ++ { ++ int isfile; ++ char *s = ldemul_get_script (&isfile); ++ ++ if (isfile) ++ ldfile_open_default_command_file (s); ++ else ++ { ++ lex_string = s; ++ lex_redirect (s, _("built in linker script"), 1); ++ } ++ parser_input = input_script; ++ yyparse (); ++ lex_string = NULL; ++ } ++} +diff -rup binutils-2.26.orig/ld/ldmain.h binutils-2.26/ld/ldmain.h +--- binutils-2.26.orig/ld/ldmain.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldmain.h 2016-02-19 09:35:54.922106617 +0000 +@@ -59,4 +59,6 @@ extern void add_wrap (const char *); + extern void add_ignoresym (struct bfd_link_info *, const char *); + extern void add_keepsyms_file (const char *); + ++extern void ld_parse_linker_script (void); ++ + #endif +diff -rup binutils-2.26.orig/ld/lexsup.c binutils-2.26/ld/lexsup.c +--- binutils-2.26.orig/ld/lexsup.c 2016-02-19 09:35:36.700003285 +0000 ++++ binutils-2.26/ld/lexsup.c 2016-02-19 09:35:54.923106623 +0000 +@@ -169,6 +169,9 @@ static const struct ld_option ld_options + '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH }, + { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT}, + '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH }, ++ { {"plugin-save-temps", no_argument, NULL, OPTION_PLUGIN_SAVE_TEMPS}, ++ '\0', NULL, N_("Store plugin intermediate files permanently"), ++ ONE_DASH }, + { {"flto", optional_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for GCC LTO option compatibility"), + ONE_DASH }, +@@ -1020,6 +1023,9 @@ parse_args (unsigned argc, char **argv) + if (plugin_opt_plugin_arg (optarg)) + einfo (_("%P%F: bad -plugin-opt option\n")); + break; ++ case OPTION_PLUGIN_SAVE_TEMPS: ++ plugin_save_temps = TRUE; ++ break; + #endif /* ENABLE_PLUGINS */ + case 'q': + link_info.emitrelocations = TRUE; +diff -rup binutils-2.26.orig/ld/plugin.c binutils-2.26/ld/plugin.c +--- binutils-2.26.orig/ld/plugin.c 2016-02-19 09:35:36.702003296 +0000 ++++ binutils-2.26/ld/plugin.c 2016-02-19 09:35:54.923106623 +0000 +@@ -57,6 +57,9 @@ extern int errno; + /* Report plugin symbols. */ + bfd_boolean report_plugin_symbols; + ++/* Store plugin intermediate files permanently. */ ++bfd_boolean plugin_save_temps; ++ + /* The suffix to append to the name of the real (claimed) object file + when generating a dummy BFD to hold the IR symbols sent from the + plugin. For cosmetic use only; appears in maps, crefs etc. */ +@@ -1182,6 +1185,9 @@ plugin_maybe_claim (lang_input_statement + { + bfd *abfd = entry->the_bfd->plugin_dummy_bfd; + ++ /* Check object only section. */ ++ cmdline_check_object_only_section (entry->the_bfd, TRUE); ++ + /* Discard the real file's BFD and substitute the dummy one. */ + + /* BFD archive handling caches elements so we can't call +@@ -1227,14 +1233,17 @@ plugin_call_cleanup (void) + { + if (curplug->cleanup_handler && !curplug->cleanup_done) + { +- enum ld_plugin_status rv; +- curplug->cleanup_done = TRUE; +- called_plugin = curplug; +- rv = (*curplug->cleanup_handler) (); +- called_plugin = NULL; +- if (rv != LDPS_OK) +- info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), +- curplug->name, rv); ++ if (!plugin_save_temps) ++ { ++ enum ld_plugin_status rv; ++ curplug->cleanup_done = TRUE; ++ called_plugin = curplug; ++ rv = (*curplug->cleanup_handler) (); ++ called_plugin = NULL; ++ if (rv != LDPS_OK) ++ info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), ++ curplug->name, rv); ++ } + dlclose (curplug->dlhandle); + } + curplug = curplug->next; +diff -rup binutils-2.26.orig/ld/plugin.h binutils-2.26/ld/plugin.h +--- binutils-2.26.orig/ld/plugin.h 2016-02-19 09:35:36.702003296 +0000 ++++ binutils-2.26/ld/plugin.h 2016-02-19 09:35:54.924106628 +0000 +@@ -24,6 +24,9 @@ + /* Report plugin symbols. */ + extern bfd_boolean report_plugin_symbols; + ++/* Store plugin intermediate files permanently. */ ++extern bfd_boolean plugin_save_temps; ++ + /* Set at all symbols read time, to avoid recursively offering the plugin + its own newly-added input files and libs to claim. */ + extern bfd_boolean no_more_claiming; +diff -rup binutils-2.26.orig/ld/scripttempl/armbpabi.sc binutils-2.26/ld/scripttempl/armbpabi.sc +--- binutils-2.26.orig/ld/scripttempl/armbpabi.sc 2016-02-19 09:35:36.704003308 +0000 ++++ binutils-2.26/ld/scripttempl/armbpabi.sc 2016-02-19 09:35:54.924106628 +0000 +@@ -36,7 +36,7 @@ INTERP=".interp 0 : { *(.interp) } + PLT=".plt ${RELOCATING-0} : { *(.plt) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf32sh-symbian.sc binutils-2.26/ld/scripttempl/elf32sh-symbian.sc +--- binutils-2.26.orig/ld/scripttempl/elf32sh-symbian.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf32sh-symbian.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -88,7 +88,7 @@ fi + PLT=".plt : { *(.plt) } :dynamic :dyn" + DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" + RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) *(.gnu_object_only) }" + test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" + INIT_ARRAY=".init_array ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf64hppa.sc binutils-2.26/ld/scripttempl/elf64hppa.sc +--- binutils-2.26.orig/ld/scripttempl/elf64hppa.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf64hppa.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -132,7 +132,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf.sc binutils-2.26/ld/scripttempl/elf.sc +--- binutils-2.26.orig/ld/scripttempl/elf.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf.sc 2016-02-19 09:35:54.924106628 +0000 +@@ -170,7 +170,7 @@ RELA_IPLT=".rela.iplt ${RELOCATING-0} + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".${SBSS_NAME} ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elfxtensa.sc binutils-2.26/ld/scripttempl/elfxtensa.sc +--- binutils-2.26.orig/ld/scripttempl/elfxtensa.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elfxtensa.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -145,7 +145,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + INIT_LIT=".init.literal 0 : { *(.init.literal) }" + INIT=".init 0 : { *(.init) }" + FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" +diff -rup binutils-2.26.orig/ld/scripttempl/mep.sc binutils-2.26/ld/scripttempl/mep.sc +--- binutils-2.26.orig/ld/scripttempl/mep.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/mep.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -119,7 +119,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/pep.sc binutils-2.26/ld/scripttempl/pep.sc +--- binutils-2.26.orig/ld/scripttempl/pep.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/pep.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -178,6 +178,7 @@ SECTIONS + *(.drectve) + ${RELOCATING+ *(.note.GNU-stack)} + ${RELOCATING+ *(.gnu.lto_*)} ++ ${RELOCATING+ *(.gnu_object_only)} + } + + .idata ${RELOCATING+BLOCK(__section_alignment__)} : +diff -rup binutils-2.26.orig/ld/scripttempl/pe.sc binutils-2.26/ld/scripttempl/pe.sc +--- binutils-2.26.orig/ld/scripttempl/pe.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/pe.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -165,6 +165,7 @@ SECTIONS + *(.drectve) + ${RELOCATING+ *(.note.GNU-stack)} + ${RELOCATING+ *(.gnu.lto_*)} ++ ${RELOCATING+ *(.gnu_object_only)} + } + + .idata ${RELOCATING+BLOCK(__section_alignment__)} : +diff -rup binutils-2.26.orig/ld/testsuite/ld-plugin/lto.exp binutils-2.26/ld/testsuite/ld-plugin/lto.exp +--- binutils-2.26.orig/ld/testsuite/ld-plugin/lto.exp 2016-02-19 09:35:36.807003892 +0000 ++++ binutils-2.26/ld/testsuite/ld-plugin/lto.exp 2016-02-19 09:36:15.450223025 +0000 +@@ -79,6 +79,15 @@ set lto_link_tests [list \ + [list "Build liblto-3.a" \ + "" "-flto $lto_fat" \ + {lto-3b.c} {} "liblto-3.a"] \ ++ [list "Compile 4a" \ ++ "" "-flto $lto_fat" \ ++ {lto-4a.c} {} ""] \ ++ [list "Compile 4b" \ ++ "" "-O2" \ ++ {lto-4b.c} {} ""] \ ++ [list "Compile 4c" \ ++ "" "-O2" \ ++ {lto-4c.c} {} ""] \ + [list "Compile 5a" \ + "" "-flto $lto_fat" \ + {lto-5a.c} {} ""] \ +@@ -94,6 +103,12 @@ set lto_link_tests [list \ + [list "Compile 9" \ + "" "-O2 -finline -flto" \ + {lto-9.cc} {} "" "c++"] \ ++ [list "Compile 10a" \ ++ "" "-O2" \ ++ {lto-10a.c} {} ""] \ ++ [list "Compile 10b" \ ++ "" "-O2 -flto $lto_fat" \ ++ {lto-10b.c} {} ""] \ + [list "Compile 11a" \ + "" "-O -flto" \ + {lto-11a.c} {} ""] \ +@@ -291,9 +306,21 @@ set lto_run_tests [list \ + [list "LTO 3c" \ + "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \ + {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \ ++ [list "LTO 4a" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-a.o" "" \ ++ {dummy.c} "lto-4a.exe" "lto-4.out" "" "c"] \ ++ [list "LTO 4c" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-c.o" "" \ ++ {dummy.c} "lto-4c.exe" "lto-4.out" "" "c"] \ ++ [list "LTO 4d" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-d.o" "" \ ++ {dummy.c} "lto-4d.exe" "lto-4.out" "" "c"] \ + [list "LTO 5" \ + "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ + {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \ ++ [list "LTO 10" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-10.o" "" \ ++ {dummy.c} "lto-10.exe" "lto-10.out" "" "c"] \ + [list "LTO 11" \ + "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \ + {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \ +@@ -378,6 +405,15 @@ if { [is_elf_format] && [check_lto_share + } + } + ++set testname "Build liblto-4.a" ++remote_file host delete "tmpdir/liblto-4.a" ++set catch_output [run_host_cmd "$ar" "rc tmpdir/liblto-4.a tmpdir/lto-4a.o tmpdir/lto-4b.o tmpdir/lto-4c.o"] ++if {![string match "" $catch_output]} { ++ unresolved $testname ++ restore_notify ++ return ++} ++ + set testname "Build liblto-11.a" + remote_file host delete "tmpdir/liblto-11.a" + set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"] +@@ -424,8 +460,30 @@ return + # Run "ld -r" to generate inputs for complex LTO tests. + run_dump_test "lto-3r" + remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o" ++run_dump_test "lto-4r-a" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-a.o" ++run_dump_test "lto-4r-b" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-b.o" ++run_dump_test "lto-4r-c" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-c.o" ++run_dump_test "lto-4r-d" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-d.o" + run_dump_test "lto-5r" + remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o" ++run_dump_test "lto-10r" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-10.o" ++set testname "nm mixed object" ++set lto_plugin [run_host_cmd "$CC" "-print-prog-name=liblto_plugin.so tmpdir/lto-10.o"] ++if { [ regexp "liblto_plugin.so" $lto_plugin ] } { ++ set exec_output [run_host_cmd "$NM" "--plugin $lto_plugin tmpdir/lto-10.o"] ++ if { [ regexp "T main" $exec_output ] } { ++ pass $testname ++ } { ++ fail $testname ++ } ++} { ++ fail $testname ++ } + + run_cc_link_tests $lto_link_symbol_tests + diff --git a/binutils/patches/binutils-2.26-x86-PIE-relocations.patch b/binutils/patches/binutils-2.26-x86-PIE-relocations.patch new file mode 100644 index 0000000..c39c3aa --- /dev/null +++ b/binutils/patches/binutils-2.26-x86-PIE-relocations.patch @@ -0,0 +1,46 @@ +--- binutils-2.26.orig/bfd/elf32-i386.c 2016-03-18 10:04:17.245507884 +0000 ++++ binutils-2.26/bfd/elf32-i386.c 2016-03-18 10:05:59.336070167 +0000 +@@ -1830,7 +1830,8 @@ do_size: + && (sec->flags & SEC_ALLOC) != 0 + && (r_type != R_386_PC32 + || (h != NULL +- && (! SYMBOLIC_BIND (info, h) ++ && (! (bfd_link_pie (info) ++ || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS +@@ -4287,8 +4288,8 @@ r_386_got32: + else if (h != NULL + && h->dynindx != -1 + && (r_type == R_386_PC32 +- || !bfd_link_pic (info) +- || !SYMBOLIC_BIND (info, h) ++ || !(bfd_link_executable (info) ++ || SYMBOLIC_BIND (info, h)) + || !h->def_regular)) + outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); + else +--- binutils-2.26.orig/bfd/elf64-x86-64.c 2016-03-18 10:04:17.244507878 +0000 ++++ binutils-2.26/bfd/elf64-x86-64.c 2016-03-18 10:06:46.686331624 +0000 +@@ -2029,7 +2029,8 @@ do_size: + && (sec->flags & SEC_ALLOC) != 0 + && (! IS_X86_64_PCREL_TYPE (r_type) + || (h != NULL +- && (! SYMBOLIC_BIND (info, h) ++ && (! (bfd_link_pie (info) ++ || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS +@@ -4631,8 +4632,8 @@ direct: + else if (h != NULL + && h->dynindx != -1 + && (IS_X86_64_PCREL_TYPE (r_type) +- || ! bfd_link_pic (info) +- || ! SYMBOLIC_BIND (info, h) ++ || !(bfd_link_executable (info) ++ || SYMBOLIC_BIND (info, h)) + || ! h->def_regular)) + { + outrel.r_info = htab->r_info (h->dynindx, r_type); diff --git a/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch b/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch deleted file mode 100644 index db2ea9b..0000000 --- a/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch +++ /dev/null @@ -1,398 +0,0 @@ -From 4613510308cea27713e8c7424b2afee9b99f6226 Mon Sep 17 00:00:00 2001 -From: Alan Modra <amodra(a)gmail.com> -Date: Tue, 12 Aug 2014 10:43:33 +0930 -Subject: [PATCH] Change ld "notice" interface for better handling of - indirect symbols - -The main aim of this change was to have non_ir_ref set correctly on -new indirect symbols. I could have added a "copy" param to the "notice" -function, so that indirect symbols could be created in plugin_notice, -but it seemed cleaner to create indirect syms earlier and pass them -rather than "string" to "notice". - -include/ - * bfdlink.h (struct bfd_link_callbacks <notice>): Remove "string" - param, add "inh". -bfd/ - * coff-aux.c (coff_m68k_aux_link_add_one_symbol): Only call "notice" - here when not calling the generic add_symbol function. Formatting. - Correct handling of indirect symbols. Update notice call. - * elflink.c (_bfd_elf_notice_as_needed): Update notice call. - * linker.c (_bfd_generic_link_add_one_symbol): Create indirect - symbols early. Update notice call. Add comments regarding weak - symbols vs. indirect. -ld/ - * ldmain.c (notice): Update args. - * plugin.c (plugin_notice): Likewise. Follow warning sym link. - Handle new indirect symbol. ---- - bfd/coff-aux.c | 62 ++++++++++++++++++++++------------------- - bfd/elflink.c | 2 +- - bfd/linker.c | 82 +++++++++++++++++++++++++++++-------------------------- - include/bfdlink.h | 13 ++++----- - ld/ldmain.c | 6 ++-- - ld/plugin.c | 33 ++++++++++++---------- - 9 files changed, 128 insertions(+), 91 deletions(-) - -diff --git a/bfd/coff-aux.c b/bfd/coff-aux.c -index e79c77a..d95b98b 100644 ---- a/bfd/coff-aux.c -+++ b/bfd/coff-aux.c -@@ -73,20 +73,17 @@ coff_m68k_aux_link_add_one_symbol (struct bfd_link_info *info, - bfd_boolean collect, - struct bfd_link_hash_entry **hashp) - { -- struct bfd_link_hash_entry *h; -+ struct bfd_link_hash_entry *h, *inh, *t; - -- if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0 && -- !bfd_is_und_section (section) && -- !bfd_is_com_section (section)) -+ if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0 -+ && !bfd_is_und_section (section) -+ && !bfd_is_com_section (section)) - { - /* The new symbol is a definition or an indirect definition */ - - /* This bit copied from linker.c */ - if (hashp != NULL && *hashp != NULL) -- { -- h = *hashp; -- BFD_ASSERT (strcmp (h->root.string, name) == 0); -- } -+ h = *hashp; - else - { - h = bfd_link_hash_lookup (info->hash, name, TRUE, copy, FALSE); -@@ -98,37 +95,46 @@ coff_m68k_aux_link_add_one_symbol (struct bfd_link_info *info, - } - } - -- if (info->notice_hash != (struct bfd_hash_table *) NULL -- && (bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) -- != (struct bfd_hash_entry *) NULL)) -- { -- if (! (*info->callbacks->notice) (info, h, abfd, section, value, -- flags, string)) -- return FALSE; -- } -- - if (hashp != (struct bfd_link_hash_entry **) NULL) - *hashp = h; - /* end duplication from linker.c */ - -- if (h->type == bfd_link_hash_defined -- || h->type == bfd_link_hash_indirect) -+ t = h; -+ inh = NULL; -+ if (h->type == bfd_link_hash_indirect) - { -- asection *msec; -+ inh = h->u.i.link; -+ t = inh; -+ } - -- if (h->type == bfd_link_hash_defined) -- msec = h->u.def.section; -- else -- msec = bfd_ind_section_ptr; -+ if (t->type == bfd_link_hash_defined) -+ { -+ asection *msec = t->u.def.section; -+ bfd_boolean special = FALSE; - - if (bfd_is_abs_section (msec) && !bfd_is_abs_section (section)) - { -- h->u.def.section = section; -- h->u.def.value = value; -- return TRUE; -+ t->u.def.section = section; -+ t->u.def.value = value; -+ special = TRUE; - } - else if (bfd_is_abs_section (section) && !bfd_is_abs_section (msec)) -- return TRUE; -+ special = TRUE; -+ -+ if (special) -+ { -+ if (info->notice_all -+ || (info->notice_hash != NULL -+ && bfd_hash_lookup (info->notice_hash, name, -+ FALSE, FALSE) != NULL)) -+ { -+ if (!(*info->callbacks->notice) (info, h, inh, -+ abfd, section, value, flags)) -+ return FALSE; -+ } -+ -+ return TRUE; -+ } - } - } - -diff --git a/bfd/elflink.c b/bfd/elflink.c -index 69a87a6..de0a734 100644 ---- a/bfd/elflink.c -+++ b/bfd/elflink.c -@@ -3299,7 +3299,7 @@ _bfd_elf_notice_as_needed (bfd *ibfd, - struct bfd_link_info *info, - enum notice_asneeded_action act) - { -- return (*info->callbacks->notice) (info, NULL, ibfd, NULL, act, 0, NULL); -+ return (*info->callbacks->notice) (info, NULL, NULL, ibfd, NULL, act, 0); - } - - /* Add symbols from an ELF object file to the linker hash table. */ -diff --git a/bfd/linker.c b/bfd/linker.c -index 1a5ecef..abdf5b0 100644 ---- a/bfd/linker.c -+++ b/bfd/linker.c -@@ -1442,13 +1442,23 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - { - enum link_row row; - struct bfd_link_hash_entry *h; -+ struct bfd_link_hash_entry *inh = NULL; - bfd_boolean cycle; - - BFD_ASSERT (section != NULL); - - if (bfd_is_ind_section (section) - || (flags & BSF_INDIRECT) != 0) -- row = INDR_ROW; -+ { -+ row = INDR_ROW; -+ /* Create the indirect symbol here. This is for the benefit of -+ the plugin "notice" function. -+ STRING is the name of the symbol we want to indirect to. */ -+ inh = bfd_wrapped_link_hash_lookup (abfd, info, string, TRUE, -+ copy, FALSE); -+ if (inh == NULL) -+ return FALSE; -+ } - else if ((flags & BSF_WARNING) != 0) - row = WARN_ROW; - else if ((flags & BSF_CONSTRUCTOR) != 0) -@@ -1493,8 +1503,8 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - || (info->notice_hash != NULL - && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)) - { -- if (! (*info->callbacks->notice) (info, h, -- abfd, section, value, flags, string)) -+ if (! (*info->callbacks->notice) (info, h, inh, -+ abfd, section, value, flags)) - return FALSE; - } - -@@ -1728,44 +1738,40 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - return FALSE; - /* Fall through. */ - case IND: -- /* Create an indirect symbol. */ -- { -- struct bfd_link_hash_entry *inh; -- -- /* STRING is the name of the symbol we want to indirect -- to. */ -- inh = bfd_wrapped_link_hash_lookup (abfd, info, string, TRUE, -- copy, FALSE); -- if (inh == NULL) -+ if (inh->type == bfd_link_hash_indirect -+ && inh->u.i.link == h) -+ { -+ (*_bfd_error_handler) -+ (_("%B: indirect symbol `%s' to `%s' is a loop"), -+ abfd, name, string); -+ bfd_set_error (bfd_error_invalid_operation); - return FALSE; -- if (inh->type == bfd_link_hash_indirect -- && inh->u.i.link == h) -- { -- (*_bfd_error_handler) -- (_("%B: indirect symbol `%s' to `%s' is a loop"), -- abfd, name, string); -- bfd_set_error (bfd_error_invalid_operation); -- return FALSE; -- } -- if (inh->type == bfd_link_hash_new) -- { -- inh->type = bfd_link_hash_undefined; -- inh->u.undef.abfd = abfd; -- bfd_link_add_undef (info->hash, inh); -- } -+ } -+ if (inh->type == bfd_link_hash_new) -+ { -+ inh->type = bfd_link_hash_undefined; -+ inh->u.undef.abfd = abfd; -+ bfd_link_add_undef (info->hash, inh); -+ } - -- /* If the indirect symbol has been referenced, we need to -- push the reference down to the symbol we are -- referencing. */ -- if (h->type != bfd_link_hash_new) -- { -- row = UNDEF_ROW; -- cycle = TRUE; -- } -+ /* If the indirect symbol has been referenced, we need to -+ push the reference down to the symbol we are referencing. */ -+ if (h->type != bfd_link_hash_new) -+ { -+ /* ??? If inh->type == bfd_link_hash_undefweak this -+ converts inh to bfd_link_hash_undefined. */ -+ row = UNDEF_ROW; -+ cycle = TRUE; -+ } - -- h->type = bfd_link_hash_indirect; -- h->u.i.link = inh; -- } -+ h->type = bfd_link_hash_indirect; -+ h->u.i.link = inh; -+ /* Not setting h = h->u.i.link here means that when cycle is -+ set above we'll always go to REFC, and then cycle again -+ to the indirected symbol. This means that any successful -+ change of an existing symbol to indirect counts as a -+ reference. ??? That may not be correct when the existing -+ symbol was defweak. */ - break; - - case SET: -diff --git a/include/bfdlink.h b/include/bfdlink.h -index 58dba2a..125683d 100644 ---- a/include/bfdlink.h -+++ b/include/bfdlink.h -@@ -640,15 +640,14 @@ struct bfd_link_callbacks - (struct bfd_link_info *, const char *name, - bfd *abfd, asection *section, bfd_vma address); - /* A function which is called when a symbol in notice_hash is -- defined or referenced. H is the symbol. ABFD, SECTION and -- ADDRESS are the (new) value of the symbol. If SECTION is -- bfd_und_section, this is a reference. FLAGS are the symbol -- BSF_* flags. STRING is the name of the symbol to indirect to if -- the sym is indirect, or the warning string if a warning sym. */ -+ defined or referenced. H is the symbol, INH the indirect symbol -+ if applicable. ABFD, SECTION and ADDRESS are the (new) value of -+ the symbol. If SECTION is bfd_und_section, this is a reference. -+ FLAGS are the symbol BSF_* flags. */ - bfd_boolean (*notice) - (struct bfd_link_info *, struct bfd_link_hash_entry *h, -- bfd *abfd, asection *section, bfd_vma address, flagword flags, -- const char *string); -+ struct bfd_link_hash_entry *inh, -+ bfd *abfd, asection *section, bfd_vma address, flagword flags); - /* Error or warning link info message. */ - void (*einfo) - (const char *fmt, ...); -diff --git a/ld/ldmain.c b/ld/ldmain.c -index ea25afe..77235d5 100644 ---- a/ld/ldmain.c -+++ b/ld/ldmain.c -@@ -137,7 +137,7 @@ static bfd_boolean unattached_reloc - (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma); - static bfd_boolean notice - (struct bfd_link_info *, struct bfd_link_hash_entry *, -- bfd *, asection *, bfd_vma, flagword, const char *); -+ struct bfd_link_hash_entry *, bfd *, asection *, bfd_vma, flagword); - - static struct bfd_link_callbacks link_callbacks = - { -@@ -1461,11 +1461,11 @@ unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED, - static bfd_boolean - notice (struct bfd_link_info *info, - struct bfd_link_hash_entry *h, -+ struct bfd_link_hash_entry *inh ATTRIBUTE_UNUSED, - bfd *abfd, - asection *section, - bfd_vma value, -- flagword flags ATTRIBUTE_UNUSED, -- const char *string ATTRIBUTE_UNUSED) -+ flagword flags ATTRIBUTE_UNUSED) - { - const char *name; - -diff --git a/ld/plugin.c b/ld/plugin.c -index 8d6ae05..8cca7d0 100644 ---- a/ld/plugin.c -+++ b/ld/plugin.c -@@ -127,8 +127,9 @@ static const size_t tv_header_size = ARRAY_SIZE (tv_header_tags); - - /* Forward references. */ - static bfd_boolean plugin_notice (struct bfd_link_info *, -- struct bfd_link_hash_entry *, bfd *, -- asection *, bfd_vma, flagword, const char *); -+ struct bfd_link_hash_entry *, -+ struct bfd_link_hash_entry *, -+ bfd *, asection *, bfd_vma, flagword); - - #if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) - -@@ -962,16 +963,21 @@ plugin_call_cleanup (void) - static bfd_boolean - plugin_notice (struct bfd_link_info *info, - struct bfd_link_hash_entry *h, -+ struct bfd_link_hash_entry *inh, - bfd *abfd, - asection *section, - bfd_vma value, -- flagword flags, -- const char *string) -+ flagword flags) - { -+ struct bfd_link_hash_entry *orig_h = h; -+ - if (h != NULL) - { - bfd *sym_bfd; - -+ if (h->type == bfd_link_hash_warning) -+ h = h->u.i.link; -+ - /* Nothing to do here if this def/ref is from an IR dummy BFD. */ - if (is_ir_dummy_bfd (abfd)) - ; -@@ -981,16 +987,15 @@ plugin_notice (struct bfd_link_info *info, - else if (bfd_is_ind_section (section) - || (flags & BSF_INDIRECT) != 0) - { -+ /* ??? Some of this is questionable. See comments in -+ _bfd_generic_link_add_one_symbol for case IND. */ - if (h->type != bfd_link_hash_new) - { -- struct bfd_link_hash_entry *inh; -- - h->non_ir_ref = TRUE; -- inh = bfd_wrapped_link_hash_lookup (abfd, info, string, FALSE, -- FALSE, FALSE); -- if (inh != NULL) -- inh->non_ir_ref = TRUE; -+ inh->non_ir_ref = TRUE; - } -+ else if (inh->type == bfd_link_hash_new) -+ inh->non_ir_ref = TRUE; - } - - /* Nothing to do here for warning symbols. */ -@@ -1031,13 +1036,13 @@ plugin_notice (struct bfd_link_info *info, - } - - /* Continue with cref/nocrossref/trace-sym processing. */ -- if (h == NULL -+ if (orig_h == NULL - || orig_notice_all - || (info->notice_hash != NULL -- && bfd_hash_lookup (info->notice_hash, h->root.string, -+ && bfd_hash_lookup (info->notice_hash, orig_h->root.string, - FALSE, FALSE) != NULL)) -- return (*orig_callbacks->notice) (info, h, -- abfd, section, value, flags, string); -+ return (*orig_callbacks->notice) (info, orig_h, inh, -+ abfd, section, value, flags); - return TRUE; - } - --- -1.9.3 - diff --git a/binutils/patches/binutils-default-test-flags.patch b/binutils/patches/binutils-default-test-flags.patch deleted file mode 100644 index 8870fab..0000000 --- a/binutils/patches/binutils-default-test-flags.patch +++ /dev/null @@ -1,35 +0,0 @@ -many tests rely on order of symbols and the gnu hash style/relro options -change that. so to avoid having to constantly thrash in the test files, -use the normal options that everyone tests against. - ---- binutils/ld/testsuite/lib/ld-lib.exp -+++ binutils/ld/testsuite/lib/ld-lib.exp -@@ -84,7 +84,7 @@ - global HOSTING_EMU - - remote_file host delete $target -- return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"] -+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU --hash-style=sysv -z norelro -o $target -r $objects"] - } - - # Check to see if ld is being invoked with a non-endian output format -@@ -158,7 +158,7 @@ - - remote_file host delete $target - -- return [run_host_cmd_yesno "$ld" "$HOSTING_EMU $flags -o $target $objs $libs"] -+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU --hash-style=sysv -z norelro $flags -o $target $objs $libs"] - } - - # Link a program using ld, without including any libraries. -@@ -189,7 +189,9 @@ - } - set ldexe [string replace $ldexe 0 [string last "/" $ldexe] ""] - if {[string match "*gcc*" $ldexe] || [string match "*++*" $ldexe]} then { -- set ldflags "$gcc_ld_flag $ldflags" -+ set ldflags "$gcc_ld_flag -Wl,--hash-style=sysv -Wl,-z,norelro $ldflags" -+ } else { -+ set ldflags "--hash-style=sysv -z norelro $ldflags" - } - - remote_file host delete $target diff --git a/binutils/patches/binutils-rh1312151.patch b/binutils/patches/binutils-rh1312151.patch new file mode 100644 index 0000000..e989b86 --- /dev/null +++ b/binutils/patches/binutils-rh1312151.patch @@ -0,0 +1,22 @@ +--- binutils-2.26.orig/bfd/elflink.c 2016-02-26 13:21:54.134859610 +0000 ++++ binutils-2.26/bfd/elflink.c 2016-02-26 13:22:49.083168157 +0000 +@@ -555,6 +555,19 @@ bfd_elf_record_link_assignment (bfd *out + if (h == NULL) + return provide; + ++ if (h->versioned == unknown) ++ { ++ /* Set versioned if symbol version is unknown. */ ++ char *version = strrchr (name, ELF_VER_CHR); ++ if (version) ++ { ++ if (version > name && version[-1] != ELF_VER_CHR) ++ h->versioned = versioned_hidden; ++ else ++ h->versioned = versioned; ++ } ++ } ++ + switch (h->root.type) + { + case bfd_link_hash_defined: diff --git a/binutils/patches/binutils-use-new-ld-dtags.patch b/binutils/patches/binutils-use-new-ld-dtags.patch deleted file mode 100644 index e738897..0000000 --- a/binutils/patches/binutils-use-new-ld-dtags.patch +++ /dev/null @@ -1,24 +0,0 @@ ---- binutils/ld/ldmain.c -+++ binutils/ld/ldmain.c -@@ -296,6 +296,7 @@ main (int argc, char **argv) - - link_info.allow_undefined_version = TRUE; - link_info.keep_memory = TRUE; -+ link_info.new_dtags = TRUE; - link_info.combreloc = TRUE; - link_info.strip_discarded = TRUE; - link_info.callbacks = &link_callbacks; ---- binutils/ld/ld.texinfo -+++ binutils/ld/ld.texinfo -@@ -2036,8 +2036,9 @@ - systems may not understand them. If you specify - @option{--enable-new-dtags}, the dynamic tags will be created as needed. - If you specify @option{--disable-new-dtags}, no new dynamic tags will be --created. By default, the new dynamic tags are not created. Note that --those options are only available for ELF systems. -+created. On Gentoo, by default, the new dynamic tags are created (this -+differs from upstream behaviour). Note that those options are only -+available for ELF systems. - - @kindex --hash-size=@var{number} - @item --hash-size=@var{number} diff --git a/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 b/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 deleted file mode 100644 index 0c61a11..0000000 --- a/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 +++ /dev/null @@ -1,302 +0,0 @@ -diff -rcp ../binutils-2.20.51.0.7.original/bfd/configure ./bfd/configure -*** ../binutils-2.20.51.0.7.original/bfd/configure 2010-04-08 14:53:48.000000000 +0100 ---- ./bfd/configure 2010-04-08 14:56:50.000000000 +0100 -*************** fi -*** 10762,10771 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10762,10795 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/binutils/configure ./binutils/configure -*** ../binutils-2.20.51.0.7.original/binutils/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./binutils/configure 2010-04-08 14:56:21.000000000 +0100 -*************** fi -*** 10560,10569 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10560,10593 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/gas/configure ./gas/configure -*** ../binutils-2.20.51.0.7.original/gas/configure 2010-04-08 14:53:47.000000000 +0100 ---- ./gas/configure 2010-04-08 14:57:24.000000000 +0100 -*************** fi -*** 10547,10556 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10547,10580 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/gprof/configure ./gprof/configure -*** ../binutils-2.20.51.0.7.original/gprof/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./gprof/configure 2010-04-08 14:57:50.000000000 +0100 -*************** fi -*** 10485,10494 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10485,10518 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/ld/configure ./ld/configure -*** ../binutils-2.20.51.0.7.original/ld/configure 2010-04-08 14:53:44.000000000 +0100 ---- ./ld/configure 2010-04-08 14:58:21.000000000 +0100 -*************** fi -*** 10966,10975 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10966,10999 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -Only in .: .#libtool.m4 -Only in .: #libtool.m4# -diff -rcp ../binutils-2.20.51.0.7.original/opcodes/configure ./opcodes/configure -*** ../binutils-2.20.51.0.7.original/opcodes/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./opcodes/configure 2010-04-08 14:59:10.000000000 +0100 -*************** fi -*** 10496,10505 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10496,10529 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: \$? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on diff --git a/elfutils/elfutils.nm b/elfutils/elfutils.nm index b7bf868..6e3c32d 100644 --- a/elfutils/elfutils.nm +++ b/elfutils/elfutils.nm @@ -4,7 +4,7 @@ ############################################################################### name = elfutils -version = 0.161 +version = 0.166 release = 1 maintainer = Michael Tremer <michael.tremer(a)ipfire.org> @@ -26,32 +26,18 @@ sources = %{thisapp}.tar.bz2 build requires - autoconf - automake bzip2-devel m4 xz-devel zlib-devel end - CFLAGS += -Wno-error -Wformat - - configure_options += \ - --program-prefix=eu- \ - --disable-werror - # fails #test # make check #end end -quality-agent - whitelist_rpath - %{libdir}/elfutils - end -end - packages package %{name} diff --git a/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch b/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch new file mode 100644 index 0000000..2183b35 --- /dev/null +++ b/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch @@ -0,0 +1,50 @@ +From 836a16fe5b5bab4a3afe2c991c104652775ce3a3 Mon Sep 17 00:00:00 2001 +From: David Abdurachmanov <davidlt(a)cern.ch> +Date: Mon, 11 Apr 2016 16:00:57 +0200 +Subject: [PATCH] elfcmp: fix self-comparison error with GCC 6 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Noticed with Fedora 24 Alpha, gcc (GCC) 6.0.0 20160406 +(Red Hat 6.0.0-0.20). + +elfcmp.c: In function âmainâ: +elfcmp.c:364:199: error: self-comparison always evaluates +to false [-Werror=tautological-compare] + if (unlikely (name1 == NULL || name2 == NULL + +Signed-off-by: David Abdurachmanov <davidlt(a)cern.ch> +--- + src/ChangeLog | 4 ++++ + src/elfcmp.c | 2 +- + 2 files changed, 5 insertions(+), 1 deletion(-) + +diff --git a/src/ChangeLog b/src/ChangeLog +index f74b5dc..bdc9d13 100644 +--- a/src/ChangeLog ++++ b/src/ChangeLog +@@ -1,3 +1,7 @@ ++2016-04-11 David Abdurachmanov <davidlt(a)cern.ch> ++ ++ * elfcmp.c (main): Fix self-comparison error with GCC 6. ++ + 2016-03-21 Mark Wielaard <mjw(a)redhat.com> + + * nm.c (show_symbols): Check for malloc size argument overflow. +diff --git a/src/elfcmp.c b/src/elfcmp.c +index 852b92f..7b5d39c 100644 +--- a/src/elfcmp.c ++++ b/src/elfcmp.c +@@ -368,7 +368,7 @@ main (int argc, char *argv[]) + && sym1->st_shndx != SHN_UNDEF) + || sym1->st_info != sym2->st_info + || sym1->st_other != sym2->st_other +- || sym1->st_shndx != sym1->st_shndx)) ++ || sym1->st_shndx != sym2->st_shndx)) + { + // XXX Do we want to allow reordered symbol tables? + symtab_mismatch: +-- +1.8.3.1 + diff --git a/elfutils/patches/elfutils-portability-0.161.patch b/elfutils/patches/elfutils-portability-0.161.patch deleted file mode 100644 index 7539f8b..0000000 --- a/elfutils/patches/elfutils-portability-0.161.patch +++ /dev/null @@ -1,1871 +0,0 @@ ---- elfutils/backends/ChangeLog -+++ elfutils/backends/ChangeLog -@@ -433,6 +433,10 @@ - * ppc_attrs.c (ppc_check_object_attribute): Handle tag - GNU_Power_ABI_Struct_Return. - -+2009-01-23 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (libebl_%.so): Use $(LD_AS_NEEDED). -+ - 2008-10-04 Ulrich Drepper <drepper(a)redhat.com> - - * i386_reloc.def: Fix entries for TLS_GOTDESC, TLS_DESC_CALL, and -@@ -760,6 +764,11 @@ - * sparc_init.c: Likewise. - * x86_64_init.c: Likewise. - -+2005-11-22 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (LD_AS_NEEDED): New variable, substituted by configure. -+ (libebl_%.so rule): Use it in place of -Wl,--as-needed. -+ - 2005-11-19 Roland McGrath <roland(a)redhat.com> - - * ppc64_reloc.def: REL30 -> ADDR30. -@@ -782,6 +791,9 @@ - * Makefile.am (uninstall): Don't try to remove $(pkgincludedir). - (CLEANFILES): Add libebl_$(m).so. - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - * ppc_reloc.def: Update bits per Alan Modra <amodra(a)bigpond.net.au>. - * ppc64_reloc.def: Likewise. - ---- elfutils/backends/Makefile.am -+++ elfutils/backends/Makefile.am -@@ -119,7 +119,7 @@ libebl_%.so libebl_%.map: libebl_%_pic.a - $(LINK) -shared -o $(@:.map=.so) \ - -Wl,--whole-archive $< $(cpu_$*) -Wl,--no-whole-archive \ - -Wl,--version-script,$(@:.so=.map) \ -- -Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) -+ -Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) - @$(textrel_check) - - libebl_i386.so: $(cpu_i386) ---- elfutils/backends/Makefile.in -+++ elfutils/backends/Makefile.in -@@ -83,6 +83,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = backends - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -285,6 +286,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -316,6 +318,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -378,11 +381,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \ - -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(foreach m,$(modules), libebl_$(m).map \ - libebl_$(m).so $(am_libebl_$(m)_pic_a_OBJECTS)) -@@ -888,7 +891,7 @@ libebl_%.so libebl_%.map: libebl_%_pic.a - $(LINK) -shared -o $(@:.map=.so) \ - -Wl,--whole-archive $< $(cpu_$*) -Wl,--no-whole-archive \ - -Wl,--version-script,$(@:.so=.map) \ -- -Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) -+ -Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) - @$(textrel_check) - - libebl_i386.so: $(cpu_i386) ---- elfutils/ChangeLog -+++ elfutils/ChangeLog -@@ -187,6 +187,8 @@ - - 2012-01-24 Mark Wielaard <mjw(a)redhat.com> - -+ * configure.ac: Wrap AC_COMPILE_IFELSE sources in AC_LANG_SOURCE. -+ - * COPYING: Fix address. Updated version from gnulib. - - 2012-01-23 Mark Wielaard <mjw(a)redhat.com> -@@ -205,6 +207,9 @@ - - 2011-10-08 Mike Frysinger <vapier(a)gentoo.org> - -+ * configure.ac (--disable-werror): Handle it, controlling BUILD_WERROR -+ automake option. -+ - * configure.ac: Fix use of AC_ARG_ENABLE to handle $enableval correctly. - - 2011-10-02 Ulrich Drepper <drepper(a)gmail.com> -@@ -226,6 +231,10 @@ - - * configure.ac (LOCALEDIR, DATADIRNAME): Removed. - -+2009-11-22 Roland McGrath <roland(a)redhat.com> -+ -+ * configure.ac: Use sed and expr instead of modern bash extensions. -+ - 2009-09-21 Ulrich Drepper <drepper(a)redhat.com> - - * configure.ac: Update for more modern autoconf. -@@ -234,6 +243,10 @@ - - * configure.ac (zip_LIBS): Check for liblzma too. - -+2009-08-17 Roland McGrath <roland(a)redhat.com> -+ -+ * configure.ac: Check for -fgnu89-inline; add it to WEXTRA if it works. -+ - 2009-04-19 Roland McGrath <roland(a)redhat.com> - - * configure.ac (eu_version): Round down here, not in version.h macros. -@@ -245,6 +258,8 @@ - - 2009-01-23 Roland McGrath <roland(a)redhat.com> - -+ * configure.ac: Check for __builtin_popcount. -+ - * configure.ac (zlib check): Check for gzdirect, need zlib >= 1.2.2.3. - - * configure.ac (__thread check): Use AC_LINK_IFELSE, in case of -@@ -325,6 +340,10 @@ - * configure.ac: Add dummy automake conditional to get dependencies - for non-generic linker right. See src/Makefile.am. - -+2005-11-22 Roland McGrath <roland(a)redhat.com> -+ -+ * configure.ac: Check for --as-needed linker option. -+ - 2005-11-18 Roland McGrath <roland(a)redhat.com> - - * Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New variable. -@@ -372,6 +391,17 @@ - * Makefile.am (all_SUBDIRS): Add libdwfl. - * configure.ac: Write libdwfl/Makefile. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * configure.ac (WEXTRA): Check for -Wextra and set this substitution. -+ -+ * configure.ac: Check for struct stat st_?tim members. -+ * src/strip.c (process_file): Use st_?time if st_?tim are not there. -+ -+ * configure.ac: Check for futimes function. -+ * src/strip.c (handle_elf) [! HAVE_FUTIMES]: Use utimes instead. -+ (handle_ar) [! HAVE_FUTIMES]: Likewise. -+ - 2005-05-19 Roland McGrath <roland(a)redhat.com> - - * configure.ac [AH_BOTTOM] (INTDECL, _INTDECL): New macros. ---- elfutils/config/ChangeLog -+++ elfutils/config/ChangeLog -@@ -71,6 +71,10 @@ - - * known-dwarf.awk: Use gawk. - -+2011-10-08 Mike Frysinger <vapier(a)gentoo.org> -+ -+ * eu.am [BUILD_WERROR]: Conditionalize -Werror use on this. -+ - 2010-07-02 Ulrich Drepper <drepper(a)redhat.com> - - * elfutils.spec.in: Add more BuildRequires. ---- elfutils/config/eu.am -+++ elfutils/config/eu.am -@@ -1,6 +1,6 @@ - ## Common automake fragments for elfutils subdirectory makefiles. - ## --## Copyright (C) 2010, 2014 Red Hat, Inc. -+## Copyright (C) 2010-2011, 2014 Red Hat, Inc. - ## - ## This file is part of elfutils. - ## -@@ -29,13 +29,21 @@ - ## not, see <http://www.gnu.org/licenses/>. - ## - -+WEXTRA = @WEXTRA@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ -+ - DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DLOCALEDIR='"${localedir}"' - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow \ - $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -+ $(if $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) \ -+ $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2) \ - $($(*F)_CFLAGS) - -+if BUILD_WERROR -+AM_CFLAGS += $(if $($(*F)_no_Werror),,-Werror) -+endif -+ - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - - %.os: %.c %.o ---- elfutils/config/Makefile.in -+++ elfutils/config/Makefile.in -@@ -147,6 +147,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -178,6 +179,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/config.h.in -+++ elfutils/config.h.in -@@ -3,6 +3,9 @@ - /* Should ar and ranlib use -D behavior by default? */ - #undef DEFAULT_AR_DETERMINISTIC - -+/* Have __builtin_popcount. */ -+#undef HAVE_BUILTIN_POPCOUNT -+ - /* Define to 1 if you have the <inttypes.h> header file. */ - #undef HAVE_INTTYPES_H - -@@ -102,4 +105,7 @@ - /* Define for large files, on AIX-style hosts. */ - #undef _LARGE_FILES - -+/* Stubbed out if missing compiler support. */ -+#undef __thread -+ - #include <eu-config.h> ---- elfutils/configure -+++ elfutils/configure -@@ -663,6 +663,8 @@ ZLIB_TRUE - LIBEBL_SUBDIR - TESTS_RPATH_FALSE - TESTS_RPATH_TRUE -+BUILD_WERROR_FALSE -+BUILD_WERROR_TRUE - BUILD_STATIC_FALSE - BUILD_STATIC_TRUE - USE_VALGRIND_FALSE -@@ -678,6 +680,8 @@ NEVER_TRUE - base_cpu - NATIVE_LD_FALSE - NATIVE_LD_TRUE -+LD_AS_NEEDED -+WEXTRA - NM - READELF - ac_ct_AR -@@ -798,6 +802,7 @@ enable_debugpred - enable_gprof - enable_gcov - enable_valgrind -+enable_werror - enable_tests_rpath - enable_libebl_subdir - with_zlib -@@ -1455,6 +1460,7 @@ Optional Features: - --enable-gprof build binaries with gprof support - --enable-gcov build binaries with gcov support - --enable-valgrind run all tests under valgrind -+ --disable-werror do not build with -Werror - --enable-tests-rpath build $ORIGIN-using rpath into tests - --enable-libebl-subdir=DIR - install libebl_CPU modules in $(libdir)/DIR -@@ -4843,6 +4849,130 @@ if test "x$ac_cv_c99" != xyes; then : - as_fn_error $? "gcc with C99 support required" "$LINENO" 5 - fi - -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wextra option to $CC" >&5 -+$as_echo_n "checking for -Wextra option to $CC... " >&6; } -+if ${ac_cv_cc_wextra+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -Wextra" -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+void foo (void) { } -+_ACEOF -+if ac_fn_c_try_compile "$LINENO"; then : -+ ac_cv_cc_wextra=yes -+else -+ ac_cv_cc_wextra=no -+fi -+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -+CFLAGS="$old_CFLAGS" -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_wextra" >&5 -+$as_echo "$ac_cv_cc_wextra" >&6; } -+ -+if test "x$ac_cv_cc_wextra" = xyes; then : -+ WEXTRA=-Wextra -+else -+ WEXTRA=-W -+fi -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fgnu89-inline option to $CC" >&5 -+$as_echo_n "checking for -fgnu89-inline option to $CC... " >&6; } -+if ${ac_cv_cc_gnu89_inline+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -fgnu89-inline -Werror" -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+ -+void foo (void) -+{ -+ inline void bar (void) {} -+ bar (); -+} -+extern inline void baz (void) {} -+ -+_ACEOF -+if ac_fn_c_try_compile "$LINENO"; then : -+ ac_cv_cc_gnu89_inline=yes -+else -+ ac_cv_cc_gnu89_inline=no -+fi -+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -+CFLAGS="$old_CFLAGS" -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_gnu89_inline" >&5 -+$as_echo "$ac_cv_cc_gnu89_inline" >&6; } -+if test "x$ac_cv_cc_gnu89_inline" = xyes; then : -+ WEXTRA="${WEXTRA:+$WEXTRA }-fgnu89-inline" -+fi -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --as-needed linker option" >&5 -+$as_echo_n "checking for --as-needed linker option... " >&6; } -+if ${ac_cv_as_needed+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ cat > conftest.c <<EOF -+int main (void) { return 0; } -+EOF -+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -+ -fPIC -shared -o conftest.so conftest.c -+ -Wl,--as-needed 1>&5' -+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 -+ (eval $ac_try) 2>&5 -+ ac_status=$? -+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 -+ test $ac_status = 0; }; } -+then -+ ac_cv_as_needed=yes -+else -+ ac_cv_as_needed=no -+fi -+rm -f conftest* -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_as_needed" >&5 -+$as_echo "$ac_cv_as_needed" >&6; } -+if test "x$ac_cv_as_needed" = xyes; then : -+ LD_AS_NEEDED=-Wl,--as-needed -+else -+ LD_AS_NEEDED= -+fi -+ -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5 -+$as_echo_n "checking for __builtin_popcount... " >&6; } -+if ${ac_cv_popcount+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+ -+int -+main () -+{ -+exit (__builtin_popcount (127)); -+ ; -+ return 0; -+} -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ ac_cv_popcount=yes -+else -+ ac_cv_popcount=no -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_popcount" >&5 -+$as_echo "$ac_cv_popcount" >&6; } -+if test "x$ac_cv_popcount" = xyes; then : -+ -+$as_echo "#define HAVE_BUILTIN_POPCOUNT 1" >>confdefs.h -+ -+fi -+ - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread support" >&5 - $as_echo_n "checking for __thread support... " >&6; } - if ${ac_cv_tls+:} false; then : -@@ -4879,7 +5009,13 @@ fi - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_tls" >&5 - $as_echo "$ac_cv_tls" >&6; } - if test "x$ac_cv_tls" != xyes; then : -- as_fn_error $? "__thread support required" "$LINENO" 5 -+ if test "$use_locks" = yes; then : -+ as_fn_error $? "--enable-thread-safety requires __thread support" "$LINENO" 5 -+else -+ -+$as_echo "#define __thread /* empty: no multi-thread support */" >>confdefs.h -+ -+fi - fi - - # Check whether --enable-largefile was given. -@@ -5246,6 +5382,22 @@ else - fi - - -+# Check whether --enable-werror was given. -+if test "${enable_werror+set}" = set; then : -+ enableval=$enable_werror; enable_werror=$enableval -+else -+ enable_werror=yes -+fi -+ -+ if test "$enable_werror" = yes; then -+ BUILD_WERROR_TRUE= -+ BUILD_WERROR_FALSE='#' -+else -+ BUILD_WERROR_TRUE='#' -+ BUILD_WERROR_FALSE= -+fi -+ -+ - # Check whether --enable-tests-rpath was given. - if test "${enable_tests_rpath+set}" = set; then : - enableval=$enable_tests_rpath; tests_use_rpath=$enableval -@@ -5983,7 +6135,7 @@ case "$eu_version" in - esac - - # Round up to the next release API (x.y) version. --eu_version=$(( (eu_version + 999) / 1000 )) -+eu_version=`expr $ $eu_version + 999 $ / 1000` - - ac_ext=c - ac_cpp='$CPP $CPPFLAGS' -@@ -6729,6 +6881,10 @@ if test -z "${BUILD_STATIC_TRUE}" && tes - as_fn_error $? "conditional \"BUILD_STATIC\" was never defined. - Usually this means the macro was only invoked conditionally." "$LINENO" 5 - fi -+if test -z "${BUILD_WERROR_TRUE}" && test -z "${BUILD_WERROR_FALSE}"; then -+ as_fn_error $? "conditional \"BUILD_WERROR\" was never defined. -+Usually this means the macro was only invoked conditionally." "$LINENO" 5 -+fi - if test -z "${TESTS_RPATH_TRUE}" && test -z "${TESTS_RPATH_FALSE}"; then - as_fn_error $? "conditional \"TESTS_RPATH\" was never defined. - Usually this means the macro was only invoked conditionally." "$LINENO" 5 ---- elfutils/configure.ac -+++ elfutils/configure.ac -@@ -89,6 +89,54 @@ CFLAGS="$old_CFLAGS"]) - AS_IF([test "x$ac_cv_c99" != xyes], - AC_MSG_ERROR([gcc with C99 support required])) - -+AC_CACHE_CHECK([for -Wextra option to $CC], ac_cv_cc_wextra, [dnl -+old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -Wextra" -+AC_COMPILE_IFELSE([AC_LANG_SOURCE([void foo (void) { }])], -+ ac_cv_cc_wextra=yes, ac_cv_cc_wextra=no) -+CFLAGS="$old_CFLAGS"]) -+AC_SUBST(WEXTRA) -+AS_IF([test "x$ac_cv_cc_wextra" = xyes], [WEXTRA=-Wextra], [WEXTRA=-W]) -+ -+AC_CACHE_CHECK([for -fgnu89-inline option to $CC], ac_cv_cc_gnu89_inline, [dnl -+old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -fgnu89-inline -Werror" -+AC_COMPILE_IFELSE([AC_LANG_SOURCE([ -+void foo (void) -+{ -+ inline void bar (void) {} -+ bar (); -+} -+extern inline void baz (void) {} -+])], ac_cv_cc_gnu89_inline=yes, ac_cv_cc_gnu89_inline=no) -+CFLAGS="$old_CFLAGS"]) -+AS_IF([test "x$ac_cv_cc_gnu89_inline" = xyes], -+ [WEXTRA="${WEXTRA:+$WEXTRA }-fgnu89-inline"]) -+ -+AC_CACHE_CHECK([for --as-needed linker option], -+ ac_cv_as_needed, [dnl -+cat > conftest.c <<EOF -+int main (void) { return 0; } -+EOF -+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -+ -fPIC -shared -o conftest.so conftest.c -+ -Wl,--as-needed 1>&AS_MESSAGE_LOG_FD]) -+then -+ ac_cv_as_needed=yes -+else -+ ac_cv_as_needed=no -+fi -+rm -f conftest*]) -+AS_IF([test "x$ac_cv_as_needed" = xyes], -+ [LD_AS_NEEDED=-Wl,--as-needed], [LD_AS_NEEDED=]) -+AC_SUBST(LD_AS_NEEDED) -+ -+AC_CACHE_CHECK([for __builtin_popcount], ac_cv_popcount, [dnl -+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [[exit (__builtin_popcount (127));]])], -+ ac_cv_popcount=yes, ac_cv_popcount=no)]) -+AS_IF([test "x$ac_cv_popcount" = xyes], -+ [AC_DEFINE([HAVE_BUILTIN_POPCOUNT], [1], [Have __builtin_popcount.])]) -+ - AC_CACHE_CHECK([for __thread support], ac_cv_tls, [dnl - # Use the same flags that we use for our DSOs, so the test is representative. - # Some old compiler/linker/libc combinations fail some ways and not others. -@@ -104,7 +152,10 @@ static __thread int a; int foo (int b) { - CFLAGS="$save_CFLAGS" - LDFLAGS="$save_LDFLAGS"]) - AS_IF([test "x$ac_cv_tls" != xyes], -- AC_MSG_ERROR([__thread support required])) -+ [AS_IF([test "$use_locks" = yes], -+ [AC_MSG_ERROR([--enable-thread-safety requires __thread support])], -+ [AC_DEFINE([__thread], [/* empty: no multi-thread support */], -+ [Stubbed out if missing compiler support.])])]) - - dnl This test must come as early as possible after the compiler configuration - dnl tests, because the choice of the file model can (in principle) affect -@@ -183,6 +234,11 @@ AM_CONDITIONAL(USE_VALGRIND, test "$use_ - AM_CONDITIONAL(BUILD_STATIC, [dnl - test "$use_gprof" = yes -o "$use_gcov" = yes]) - -+AC_ARG_ENABLE([werror], -+AS_HELP_STRING([--disable-werror],[do not build with -Werror]), -+ [enable_werror=$enableval], [enable_werror=yes]) -+AM_CONDITIONAL(BUILD_WERROR, test "$enable_werror" = yes) -+ - AC_ARG_ENABLE([tests-rpath], - AS_HELP_STRING([--enable-tests-rpath],[build $ORIGIN-using rpath into tests]), - [tests_use_rpath=$enableval], [tests_use_rpath=no]) -@@ -302,7 +358,7 @@ case "$eu_version" in - esac - - # Round up to the next release API (x.y) version. --eu_version=$(( (eu_version + 999) / 1000 )) -+eu_version=`expr $ $eu_version + 999 $ / 1000` - - AC_CHECK_SIZEOF(long) - ---- elfutils/lib/ChangeLog -+++ elfutils/lib/ChangeLog -@@ -65,6 +65,9 @@ - - 2009-01-23 Roland McGrath <roland(a)redhat.com> - -+ * eu-config.h [! HAVE_BUILTIN_POPCOUNT] -+ (__builtin_popcount): New inline function. -+ - * eu-config.h: Add multiple inclusion protection. - - 2009-01-17 Ulrich Drepper <drepper(a)redhat.com> -@@ -121,6 +124,11 @@ - * Makefile.am (libeu_a_SOURCES): Add it. - * system.h: Declare crc32_file. - -+2005-02-07 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-04-30 Ulrich Drepper <drepper(a)redhat.com> - - * Makefile.am: Use -ffunction-sections for xmalloc.c. ---- elfutils/lib/eu-config.h -+++ elfutils/lib/eu-config.h -@@ -162,6 +162,17 @@ asm (".section predict_data, \"aw\"; .pr - /* This macro is used by the tests conditionalize for standalone building. */ - #define ELFUTILS_HEADER(name) <lib##name.h> - -+#ifndef HAVE_BUILTIN_POPCOUNT -+# define __builtin_popcount hakmem_popcount -+static inline unsigned int __attribute__ ((unused)) -+hakmem_popcount (unsigned int x) -+{ -+ /* HAKMEM 169 */ -+ unsigned int n = x - ((x >> 1) & 033333333333) - ((x >> 2) & 011111111111); -+ return ((n + (n >> 3)) & 030707070707) % 63; -+} -+#endif /* HAVE_BUILTIN_POPCOUNT */ -+ - - #ifdef SHARED - # define OLD_VERSION(name, version) \ ---- elfutils/lib/Makefile.in -+++ elfutils/lib/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = lib - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -197,6 +198,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -228,6 +230,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -289,9 +292,11 @@ top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libasm/ChangeLog -+++ elfutils/libasm/ChangeLog -@@ -87,6 +87,11 @@ - * asm_error.c: Add new error ASM_E_IOERROR. - * libasmP.h: Add ASM_E_IOERROR definition. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-02-15 Ulrich Drepper <drepper(a)redhat.com> - - * Makefile.am (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. ---- elfutils/libasm/Makefile.in -+++ elfutils/libasm/Makefile.in -@@ -83,8 +83,9 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - noinst_PROGRAMS = $(am__EXEEXT_1) --@USE_LOCKS_TRUE@am__append_1 = -lpthread -+@USE_LOCKS_TRUE@am__append_2 = -lpthread - subdir = libasm - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -248,6 +249,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -279,6 +281,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -341,11 +344,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(top_srcdir)/libelf -I$(top_srcdir)/libebl \ - -I$(top_srcdir)/libdw --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libasm_pic_a_OBJECTS) \ - libasm.so.$(VERSION) -@@ -373,7 +376,7 @@ libasm_a_SOURCES = asm_begin.c asm_abort - - libasm_pic_a_SOURCES = - am_libasm_pic_a_OBJECTS = $(libasm_a_SOURCES:.c=.os) --libasm_so_LDLIBS = $(am__append_1) -+libasm_so_LDLIBS = $(am__append_2) - libasm_so_SOURCES = - noinst_HEADERS = libasmP.h symbolhash.h - EXTRA_DIST = libasm.map ---- elfutils/libcpu/ChangeLog -+++ elfutils/libcpu/ChangeLog -@@ -51,6 +51,9 @@ - - 2009-01-23 Roland McGrath <roland(a)redhat.com> - -+ * i386_disasm.c (i386_disasm): Add abort after assert-constant for old -+ compilers that don't realize it's noreturn. -+ - * Makefile.am (i386_parse_CFLAGS): Use quotes around command - substitution that can produce leading whitespace. - -@@ -380,6 +383,11 @@ - * defs/i386.doc: New file. - * defs/x86_64: New file. - -+2005-04-04 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it instead of -Wextra. -+ - 2005-02-15 Ulrich Drepper <drepper(a)redhat.com> - - * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. ---- elfutils/libcpu/i386_disasm.c -+++ elfutils/libcpu/i386_disasm.c -@@ -822,6 +822,7 @@ i386_disasm (const uint8_t **startp, con - - default: - assert (! "INVALID not handled"); -+ abort (); - } - } - else ---- elfutils/libcpu/Makefile.in -+++ elfutils/libcpu/Makefile.in -@@ -84,6 +84,7 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am i386_lex.c i386_parse.c \ - $(top_srcdir)/config/depcomp $(top_srcdir)/config/ylwrap \ - $(am__noinst_HEADERS_DIST) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - @MAINTAINER_MODE_TRUE@noinst_PROGRAMS = i386_gendis$(EXEEXT) - subdir = libcpu - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -223,6 +224,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = lex.$(<F:lex.l=) -@@ -254,6 +256,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -316,10 +319,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic \ -- -fdollars-in-identifiers -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic -fdollars-in-identifiers - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(foreach P,i386 x86_64,$P_defs \ - $P.mnemonics) ---- elfutils/libdw/ChangeLog -+++ elfutils/libdw/ChangeLog -@@ -717,6 +717,10 @@ - - * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk. - -+2011-07-20 Mark Wielaard <mjw(a)redhat.com> -+ -+ * dwarf_begin_elf.c: Add fallback for be64toh if not defined. -+ - 2011-07-14 Mark Wielaard <mjw(a)redhat.com> - - * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info. -@@ -1076,6 +1080,10 @@ - - * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too. - -+2009-08-17 Roland McGrath <roland(a)redhat.com> -+ -+ * libdw.h: Disable extern inlines for GCC 4.2. -+ - 2009-08-10 Roland McGrath <roland(a)redhat.com> - - * dwarf_getscopevar.c: Use dwarf_diename. -@@ -1844,6 +1852,11 @@ - - 2005-05-31 Roland McGrath <roland(a)redhat.com> - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ - * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to - formref offset. - ---- elfutils/libdw/dwarf_begin_elf.c -+++ elfutils/libdw/dwarf_begin_elf.c -@@ -47,6 +47,14 @@ - #if USE_ZLIB - # include <endian.h> - # define crc32 loser_crc32 -+# ifndef be64toh -+# include <byteswap.h> -+# if __BYTE_ORDER == __LITTLE_ENDIAN -+# define be64toh(x) bswap_64 (x) -+# else -+# define be64toh(x) (x) -+# endif -+# endif - # include <zlib.h> - # undef crc32 - #endif ---- elfutils/libdw/libdw.h -+++ elfutils/libdw/libdw.h -@@ -1003,7 +1003,7 @@ extern Dwarf_OOM dwarf_new_oom_handler ( - - - /* Inline optimizations. */ --#ifdef __OPTIMIZE__ -+#if defined __OPTIMIZE__ && !(__GNUC__ == 4 && __GNUC_MINOR__ == 2) - /* Return attribute code of given attribute. */ - __libdw_extern_inline unsigned int - dwarf_whatattr (Dwarf_Attribute *attr) ---- elfutils/libdw/Makefile.in -+++ elfutils/libdw/Makefile.in -@@ -84,7 +84,8 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(include_HEADERS) $(noinst_HEADERS) $(pkginclude_HEADERS) \ - ChangeLog --@BUILD_STATIC_TRUE@am__append_1 = -fpic -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@BUILD_STATIC_TRUE@am__append_2 = -fpic - noinst_PROGRAMS = $(am__EXEEXT_1) - subdir = libdw - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -298,6 +299,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -329,6 +331,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -390,10 +393,11 @@ top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) \ -- $(am__append_1) -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) $(am__append_2) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libdwelf/Makefile.in -+++ elfutils/libdwelf/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = libdwelf - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -227,6 +228,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -258,6 +260,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -320,11 +323,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libdw \ - -I$(srcdir)/../libdwfl -I$(srcdir)/../libebl --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libdwelf_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libdwfl/ChangeLog -+++ elfutils/libdwfl/ChangeLog -@@ -571,6 +571,21 @@ - (dwfl_module_addrsym) (i_to_symfile): New function. - (dwfl_module_addrsym) (search_table): Use it. - -+2013-11-09 Jan Kratochvil <jan.kratochvil(a)redhat.com> -+ -+ Older OS compatibility bits. -+ * linux-core-attach.c (be64toh, le64toh, be32toh, le32toh): Provide -+ fallbacks if not defined by system. -+ -+2013-11-09 Jan Kratochvil <jan.kratochvil(a)redhat.com> -+ -+ Handle T-stopped detach for old kernels. -+ * linux-pid-attach.c (struct pid_arg): New field stopped. -+ (ptrace_attach): New parameter stoppedp. Set it appropriately. -+ (pid_set_initial_registers): Pass the new field. -+ (pid_thread_detach): Handle the case of STOPPED for old kernels. -+ (__libdwfl_attach_state_for_pid): Initialize STOPPED. -+ - 2013-11-07 Jan Kratochvil <jan.kratochvil(a)redhat.com> - Mark Wielaard <mjw(a)redhat.com> - -@@ -2336,6 +2351,11 @@ - - 2005-07-21 Roland McGrath <roland(a)redhat.com> - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ -+2005-07-21 Roland McGrath <roland(a)redhat.com> -+ - * Makefile.am (noinst_HEADERS): Add loc2c.c. - - * test2.c (main): Check sscanf result to quiet warning. ---- elfutils/libdwfl/linux-core-attach.c -+++ elfutils/libdwfl/linux-core-attach.c -@@ -29,6 +29,35 @@ - #include "libdwflP.h" - #include <fcntl.h> - #include "system.h" -+#include <endian.h> -+#include <byteswap.h> -+#if __BYTE_ORDER == __LITTLE_ENDIAN -+# ifndef be64toh -+# define be64toh(x) bswap_64 (x) -+# endif -+# ifndef le64toh -+# define le64toh(x) (x) -+# endif -+# ifndef be32toh -+# define be32toh(x) bswap_32 (x) -+# endif -+# ifndef le32toh -+# define le32toh(x) (x) -+# endif -+#else -+# ifndef be64toh -+# define be64toh(x) (x) -+# endif -+# ifndef le64toh -+# define le64toh(x) bswap_64 (x) -+# endif -+# ifndef be32toh -+# define be32toh(x) (x) -+# endif -+# ifndef le32toh -+# define le32toh(x) bswap_32 (x) -+# endif -+#endif - - #include "../libdw/memory-access.h" - ---- elfutils/libdwfl/linux-pid-attach.c -+++ elfutils/libdwfl/linux-pid-attach.c -@@ -255,6 +255,11 @@ void - internal_function - __libdwfl_ptrace_detach (pid_t tid, bool tid_was_stopped) - { -+ // Older kernels (tested kernel-2.6.18-348.12.1.el5.x86_64) need special -+ // handling of the detachment to keep the process State: T (stopped). -+ if (tid_was_stopped) -+ syscall (__NR_tkill, tid, SIGSTOP); -+ - /* This handling is needed only on older Linux kernels such as - 2.6.32-358.23.2.el6.ppc64. Later kernels such as - 3.11.7-200.fc19.x86_64 remember the T (stopped) state -@@ -262,6 +267,15 @@ __libdwfl_ptrace_detach (pid_t tid, bool - PTRACE_DETACH. */ - ptrace (PTRACE_DETACH, tid, NULL, - (void *) (intptr_t) (tid_was_stopped ? SIGSTOP : 0)); -+ -+ if (tid_was_stopped) -+ { -+ // Wait till the SIGSTOP settles down. -+ int i; -+ for (i = 0; i < 100000; i++) -+ if (linux_proc_pid_is_stopped (tid)) -+ break; -+ } - } - - static void ---- elfutils/libdwfl/Makefile.in -+++ elfutils/libdwfl/Makefile.in -@@ -82,9 +82,10 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog --@ZLIB_TRUE@am__append_1 = gzip.c --@BZLIB_TRUE@am__append_2 = bzip2.c --@LZMA_TRUE@am__append_3 = lzma.c -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@ZLIB_TRUE@am__append_2 = gzip.c -+@BZLIB_TRUE@am__append_3 = bzip2.c -+@LZMA_TRUE@am__append_4 = lzma.c - subdir = libdwfl - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -286,6 +287,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -317,6 +319,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -379,11 +382,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. -I$(srcdir) \ - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libdwelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libdwfl_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" -@@ -413,8 +416,8 @@ libdwfl_a_SOURCES = dwfl_begin.c dwfl_en - dwfl_module_register_names.c dwfl_segment_report_module.c \ - link_map.c core-file.c open.c image-header.c dwfl_frame.c \ - frame_unwind.c dwfl_frame_pc.c linux-pid-attach.c \ -- linux-core-attach.c dwfl_frame_regs.c $(am__append_1) \ -- $(am__append_2) $(am__append_3) -+ linux-core-attach.c dwfl_frame_regs.c $(am__append_2) \ -+ $(am__append_3) $(am__append_4) - libdwfl = $(libdw) - libdw = ../libdw/libdw.so - libelf = ../libelf/libelf.so ---- elfutils/libebl/ChangeLog -+++ elfutils/libebl/ChangeLog -@@ -765,6 +765,11 @@ - * Makefile.am (libebl_*_so_SOURCES): Set to $(*_SRCS) so dependency - tracking works right. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-21 Ulrich Drepper <drepper(a)redhat.com> - - * libebl_x86_64.map: Add x86_64_core_note. ---- elfutils/libebl/Makefile.in -+++ elfutils/libebl/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = libebl - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -249,6 +250,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -280,6 +282,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -342,9 +345,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libdw \ - -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libebl_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libelf/ChangeLog -+++ elfutils/libelf/ChangeLog -@@ -244,6 +244,11 @@ - - * elf-knowledge.h (SECTION_STRIP_P): Remove < SHT_NUM check. - -+2011-03-10 Roland McGrath <roland(a)redhat.com> -+ -+ * gnuhash_xlate.h (elf_cvt_gnuhash): Avoid post-increment in bswap_32 -+ argument, since some implementations are buggy macros. -+ - 2011-02-26 Mark Wielaard <mjw(a)redhat.com> - - * elf_end.c (elf_end): Call rwlock_unlock before rwlock_fini. -@@ -921,6 +926,11 @@ - - * elf.h: Update from glibc. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-08 Roland McGrath <roland(a)redhat.com> - - * elf_begin.c (read_file) [_MUDFLAP]: Don't use mmap for now. ---- elfutils/libelf/common.h -+++ elfutils/libelf/common.h -@@ -139,7 +139,7 @@ libelf_release_all (Elf *elf) - (Var) = (sizeof (Var) == 1 \ - ? (unsigned char) (Var) \ - : (sizeof (Var) == 2 \ -- ? bswap_16 (Var) \ -+ ? (unsigned short int) bswap_16 (Var) \ - : (sizeof (Var) == 4 \ - ? bswap_32 (Var) \ - : bswap_64 (Var)))) -@@ -148,7 +148,7 @@ libelf_release_all (Elf *elf) - (Dst) = (sizeof (Var) == 1 \ - ? (unsigned char) (Var) \ - : (sizeof (Var) == 2 \ -- ? bswap_16 (Var) \ -+ ? (unsigned short int) bswap_16 (Var) \ - : (sizeof (Var) == 4 \ - ? bswap_32 (Var) \ - : bswap_64 (Var)))) ---- elfutils/libelf/gnuhash_xlate.h -+++ elfutils/libelf/gnuhash_xlate.h -@@ -1,5 +1,5 @@ - /* Conversion functions for versioning information. -- Copyright (C) 2006, 2007 Red Hat, Inc. -+ Copyright (C) 2006-2011 Red Hat, Inc. - This file is part of elfutils. - Written by Ulrich Drepper <drepper(a)redhat.com>, 2006. - -@@ -68,7 +68,9 @@ elf_cvt_gnuhash (void *dest, const void - dest32 = (Elf32_Word *) &dest64[bitmask_words]; - while (len >= 4) - { -- *dest32++ = bswap_32 (*src32++); -+ *dest32 = bswap_32 (*src32); -+ ++dest32; -+ ++src32; - len -= 4; - } - } ---- elfutils/libelf/Makefile.in -+++ elfutils/libelf/Makefile.in -@@ -84,9 +84,10 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(include_HEADERS) $(noinst_HEADERS) $(pkginclude_HEADERS) \ - ChangeLog --@BUILD_STATIC_TRUE@am__append_1 = -fpic -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@BUILD_STATIC_TRUE@am__append_2 = -fpic - noinst_PROGRAMS = $(am__EXEEXT_1) --@USE_LOCKS_TRUE@am__append_2 = -lpthread -+@USE_LOCKS_TRUE@am__append_3 = -lpthread - subdir = libelf - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -291,6 +292,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -322,6 +324,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -382,10 +385,11 @@ top_builddir = @top_builddir@ - top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) \ -- $(am__append_1) -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) $(am__append_2) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libelf_pic_a_OBJECTS) \ - libelf.so.$(VERSION) -@@ -449,7 +453,7 @@ libelf_a_SOURCES = elf_version.c elf_has - - libelf_pic_a_SOURCES = - am_libelf_pic_a_OBJECTS = $(libelf_a_SOURCES:.c=.os) --libelf_so_LDLIBS = $(am__append_2) -+libelf_so_LDLIBS = $(am__append_3) - libelf_so_SOURCES = - noinst_HEADERS = elf.h abstract.h common.h exttypes.h gelf_xlate.h libelfP.h \ - version_xlate.h gnuhash_xlate.h note_xlate.h dl-hash.h ---- elfutils/m4/Makefile.in -+++ elfutils/m4/Makefile.in -@@ -145,6 +145,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -176,6 +177,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/Makefile.in -+++ elfutils/Makefile.in -@@ -263,6 +263,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -294,6 +295,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/src/addr2line.c -+++ elfutils/src/addr2line.c -@@ -540,10 +540,10 @@ handle_address (const char *string, Dwfl - bool parsed = false; - int i, j; - char *name = NULL; -- if (sscanf (string, "(%m[^)])%" PRIiMAX "%n", &name, &addr, &i) == 2 -+ if (sscanf (string, "(%a[^)])%" PRIiMAX "%n", &name, &addr, &i) == 2 - && string[i] == '\0') - parsed = adjust_to_section (name, &addr, dwfl); -- switch (sscanf (string, "%m[^-+]%n%" PRIiMAX "%n", &name, &i, &addr, &j)) -+ switch (sscanf (string, "%a[^-+]%n%" PRIiMAX "%n", &name, &i, &addr, &j)) - { - default: - break; ---- elfutils/src/ChangeLog -+++ elfutils/src/ChangeLog -@@ -1371,8 +1371,16 @@ - * readelf.c (attr_callback): Use print_block only when we don't use - print_ops. - -+2009-08-17 Roland McGrath <roland(a)redhat.com> -+ -+ * ld.h: Disable extern inlines for GCC 4.2. -+ - 2009-08-14 Roland McGrath <roland(a)redhat.com> - -+ * strings.c (read_block): Conditionalize posix_fadvise use -+ on [POSIX_FADV_SEQUENTIAL]. -+ From Petr Salinger <Petr.Salinger(a)seznam.cz>. -+ - * ar.c (do_oper_extract): Use pathconf instead of statfs. - - 2009-08-01 Ulrich Drepper <drepper(a)redhat.com> -@@ -1536,6 +1544,8 @@ - * readelf.c (print_debug_frame_section): Use t instead of j formats - for ptrdiff_t OFFSET. - -+ * addr2line.c (handle_address): Use %a instead of %m for compatibility. -+ - 2009-01-21 Ulrich Drepper <drepper(a)redhat.com> - - * elflint.c (check_program_header): Fix typo in .eh_frame_hdr section -@@ -1719,6 +1729,11 @@ - that matches its PT_LOAD's p_flags &~ PF_W. On sparc, PF_X really - is valid in RELRO. - -+2008-03-01 Roland McGrath <roland(a)redhat.com> -+ -+ * readelf.c (dump_archive_index): Tweak portability hack -+ to match [__GNUC__ < 4] too. -+ - 2008-02-29 Roland McGrath <roland(a)redhat.com> - - * readelf.c (print_attributes): Add a cast. -@@ -1970,6 +1985,8 @@ - - * readelf.c (hex_dump): Fix rounding error in whitespace calculation. - -+ * Makefile.am (readelf_no_Werror): New variable. -+ - 2007-10-15 Roland McGrath <roland(a)redhat.com> - - * make-debug-archive.in: New file. -@@ -2409,6 +2426,10 @@ - * elflint.c (valid_e_machine): Add EM_ALPHA. - Reported by Christian Aichinger <Greek0(a)gmx.net>. - -+ * strings.c (map_file): Define POSIX_MADV_SEQUENTIAL to -+ MADV_SEQUENTIAL if undefined. Don't call posix_madvise -+ if neither is defined. -+ - 2006-08-08 Ulrich Drepper <drepper(a)redhat.com> - - * elflint.c (check_dynamic): Don't require DT_HASH for DT_SYMTAB. -@@ -2485,6 +2506,10 @@ - * Makefile.am: Add hacks to create dependency files for non-generic - linker. - -+2006-04-05 Roland McGrath <roland(a)redhat.com> -+ -+ * strings.c (MAP_POPULATE): Define to 0 if undefined. -+ - 2006-06-12 Ulrich Drepper <drepper(a)redhat.com> - - * ldgeneric.c (ld_generic_generate_sections): Don't create .interp -@@ -2833,6 +2858,11 @@ - * readelf.c (print_debug_loc_section): Fix indentation for larger - address size. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-30 Roland McGrath <roland(a)redhat.com> - - * readelf.c (print_debug_line_section): Print section offset of each ---- elfutils/src/findtextrel.c -+++ elfutils/src/findtextrel.c -@@ -502,7 +502,11 @@ ptrcompare (const void *p1, const void * - - - static void --check_rel (size_t nsegments, struct segments segments[nsegments], -+check_rel (size_t nsegments, struct segments segments[ -+#if __GNUC__ >= 4 -+ nsegments -+#endif -+ ], - GElf_Addr addr, Elf *elf, Elf_Scn *symscn, Dwarf *dw, - const char *fname, bool more_than_one, void **knownsrcs) - { ---- elfutils/src/ld.h -+++ elfutils/src/ld.h -@@ -1114,6 +1114,7 @@ extern bool dynamically_linked_p (void); - - /* Checked whether the symbol is undefined and referenced from a DSO. */ - extern bool linked_from_dso_p (struct scninfo *scninfo, size_t symidx); -+#if defined __OPTIMIZE__ && !(__GNUC__ == 4 && __GNUC_MINOR__ == 2) - #ifdef __GNUC_STDC_INLINE__ - __attribute__ ((__gnu_inline__)) - #endif -@@ -1131,5 +1132,6 @@ linked_from_dso_p (struct scninfo *scnin - - return sym->defined && sym->in_dso; - } -+#endif /* Optimizing and not GCC 4.2. */ - - #endif /* ld.h */ ---- elfutils/src/Makefile.am -+++ elfutils/src/Makefile.am -@@ -89,6 +89,11 @@ endif - # XXX While the file is not finished, don't warn about this - ldgeneric_no_Wunused = yes - -+# Buggy old compilers or libc headers. -+readelf_no_Werror = yes -+strings_no_Werror = yes -+addr2line_no_Wformat = yes -+ - readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl - nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl \ - $(demanglelib) ---- elfutils/src/Makefile.in -+++ elfutils/src/Makefile.in -@@ -85,6 +85,7 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am ldlex.c ldscript.c \ - $(top_srcdir)/config/depcomp $(top_srcdir)/config/ylwrap \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - bin_PROGRAMS = readelf$(EXEEXT) nm$(EXEEXT) size$(EXEEXT) \ - strip$(EXEEXT) ld$(EXEEXT) elflint$(EXEEXT) \ - findtextrel$(EXEEXT) addr2line$(EXEEXT) elfcmp$(EXEEXT) \ -@@ -93,9 +94,9 @@ bin_PROGRAMS = readelf$(EXEEXT) nm$(EXEE - @NATIVE_LD_FALSE@noinst_PROGRAMS = $(am__EXEEXT_1) - # We never build this library but we need to get the dependency files - # of all the linker backends that might be used in a non-generic linker. --@NEVER_TRUE@am__append_1 = libdummy.a -+@NEVER_TRUE@am__append_2 = libdummy.a - # -ldl is always needed for libebl. --@NATIVE_LD_TRUE@am__append_2 = libld_elf.a -+@NATIVE_LD_TRUE@am__append_3 = libld_elf.a - @NATIVE_LD_TRUE@am_libld_elf_i386_pic_a_OBJECTS = - subdir = src - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -159,7 +160,7 @@ am_ld_OBJECTS = ld.$(OBJEXT) ldgeneric.$ - ldscript.$(OBJEXT) symbolhash.$(OBJEXT) sectionhash.$(OBJEXT) \ - versionhash.$(OBJEXT) - ld_OBJECTS = $(am_ld_OBJECTS) --ld_DEPENDENCIES = $(libebl) $(libelf) $(libeu) $(am__append_2) -+ld_DEPENDENCIES = $(libebl) $(libelf) $(libeu) $(am__append_3) - ld_LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(ld_LDFLAGS) $(LDFLAGS) -o \ - $@ - am_libld_elf_i386_so_OBJECTS = -@@ -340,6 +341,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -371,6 +373,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -434,11 +437,11 @@ AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_sr - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libdwelf \ - -I$(srcdir)/../libdwfl -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda make-debug-archive none_ld.os \ - $(ld_modules:.c=.os) *.gconv -@@ -452,8 +455,8 @@ AM_LFLAGS = -Pld -olex.yy.c - native_ld = @native_ld@ - ld_dsos = libld_elf_i386_pic.a - @NATIVE_LD_FALSE@noinst_LIBRARIES = libld_elf.a libar.a $(ld_dsos) \ --@NATIVE_LD_FALSE@ $(am__append_1) --@NATIVE_LD_TRUE@noinst_LIBRARIES = libld_elf.a libar.a $(am__append_1) -+@NATIVE_LD_FALSE@ $(am__append_2) -+@NATIVE_LD_TRUE@noinst_LIBRARIES = libld_elf.a libar.a $(am__append_2) - @NATIVE_LD_TRUE@native_ld_cflags = -DBASE_ELF_NAME=elf_$(base_cpu) - @NEVER_TRUE@libdummy_a_SOURCES = i386_ld.c - ld_SOURCES = ld.c ldgeneric.c ldlex.l ldscript.y symbolhash.c sectionhash.c \ -@@ -479,13 +482,18 @@ libeu = ../lib/libeu.a - - # XXX While the file is not finished, don't warn about this - ldgeneric_no_Wunused = yes -+ -+# Buggy old compilers or libc headers. -+readelf_no_Werror = yes -+strings_no_Werror = yes -+addr2line_no_Wformat = yes - readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl - nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl \ - $(demanglelib) - - size_LDADD = $(libelf) $(libeu) - strip_LDADD = $(libebl) $(libelf) $(libeu) -ldl --ld_LDADD = $(libebl) $(libelf) $(libeu) -ldl $(am__append_2) -+ld_LDADD = $(libebl) $(libelf) $(libeu) -ldl $(am__append_3) - ld_LDFLAGS = -rdynamic - elflint_LDADD = $(libebl) $(libelf) $(libeu) -ldl - findtextrel_LDADD = $(libdw) $(libelf) ---- elfutils/src/readelf.c -+++ elfutils/src/readelf.c -@@ -4368,10 +4368,12 @@ listptr_base (struct listptr *p) - return base; - } - -+static const char *listptr_name; -+ - static int --compare_listptr (const void *a, const void *b, void *arg) -+compare_listptr (const void *a, const void *b) - { -- const char *name = arg; -+ const char *const name = listptr_name; - struct listptr *p1 = (void *) a; - struct listptr *p2 = (void *) b; - -@@ -4467,8 +4469,11 @@ static void - sort_listptr (struct listptr_table *table, const char *name) - { - if (table->n > 0) -- qsort_r (table->table, table->n, sizeof table->table[0], -- &compare_listptr, (void *) name); -+ { -+ listptr_name = name; -+ qsort (table->table, table->n, sizeof table->table[0], -+ &compare_listptr); -+ } - } - - static bool -@@ -9539,7 +9544,7 @@ dump_archive_index (Elf *elf, const char - if (unlikely (elf_rand (elf, as_off) == 0) - || unlikely ((subelf = elf_begin (-1, ELF_C_READ_MMAP, elf)) - == NULL)) --#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) -+#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) || __GNUC__ < 4 - while (1) - #endif - error (EXIT_FAILURE, 0, ---- elfutils/src/strings.c -+++ elfutils/src/strings.c -@@ -43,6 +43,10 @@ - - #include <system.h> - -+#ifndef MAP_POPULATE -+# define MAP_POPULATE 0 -+#endif -+ - - /* Prototypes of local functions. */ - static int read_fd (int fd, const char *fname, off64_t fdlen); -@@ -489,8 +493,13 @@ map_file (int fd, off64_t start_off, off - fd, start_off); - if (mem != MAP_FAILED) - { -+#if !defined POSIX_MADV_SEQUENTIAL && defined MADV_SEQUENTIAL -+# define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL -+#endif -+#ifdef POSIX_MADV_SEQUENTIAL - /* We will go through the mapping sequentially. */ - (void) posix_madvise (mem, map_size, POSIX_MADV_SEQUENTIAL); -+#endif - break; - } - if (errno != EINVAL && errno != ENOMEM) -@@ -581,9 +590,11 @@ read_block (int fd, const char *fname, o - elfmap_off = from & ~(ps - 1); - elfmap_base = elfmap = map_file (fd, elfmap_off, fdlen, &elfmap_size); - -+#ifdef POSIX_FADV_SEQUENTIAL - if (unlikely (elfmap == MAP_FAILED)) - /* Let the kernel know we are going to read everything in sequence. */ - (void) posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL); -+#endif - } - - if (unlikely (elfmap == MAP_FAILED)) ---- elfutils/src/strip.c -+++ elfutils/src/strip.c -@@ -45,6 +45,12 @@ - #include <libebl.h> - #include <system.h> - -+#ifdef HAVE_FUTIMES -+# define FUTIMES(fd, fname, tvp) futimes (fd, tvp) -+#else -+# define FUTIMES(fd, fname, tvp) utimes (fname, tvp) -+#endif -+ - typedef uint8_t GElf_Byte; - - /* Name and version of program. */ -@@ -318,8 +324,18 @@ process_file (const char *fname) - - /* If we have to preserve the timestamp, we need it in the - format utimes() understands. */ -+#ifdef HAVE_STRUCT_STAT_ST_ATIM - TIMESPEC_TO_TIMEVAL (&tv[0], &pre_st.st_atim); -+#else -+ tv[0].tv_sec = pre_st.st_atime; -+ tv[0].tv_usec = 0; -+#endif -+#ifdef HAVE_STRUCT_STAT_ST_MTIM - TIMESPEC_TO_TIMEVAL (&tv[1], &pre_st.st_mtim); -+#else -+ tv[1].tv_sec = pre_st.st_atime; -+ tv[1].tv_usec = 0; -+#endif - } - - /* Open the file. */ -@@ -2091,7 +2107,7 @@ while computing checksum for debug infor - /* If requested, preserve the timestamp. */ - if (tvp != NULL) - { -- if (futimes (fd, tvp) != 0) -+ if (FUTIMES (fd, output_fname, tvp) != 0) - { - error (0, errno, gettext ("\ - cannot set access and modification date of '%s'"), -@@ -2148,7 +2164,7 @@ handle_ar (int fd, Elf *elf, const char - - if (tvp != NULL) - { -- if (unlikely (futimes (fd, tvp) != 0)) -+ if (unlikely (FUTIMES (fd, fname, tvp) != 0)) - { - error (0, errno, gettext ("\ - cannot set access and modification date of '%s'"), fname); ---- elfutils/tests/backtrace.c -+++ elfutils/tests/backtrace.c -@@ -36,6 +36,7 @@ - #include <fcntl.h> - #include <string.h> - #include <argp.h> -+#include <sys/syscall.h> - #include ELFUTILS_HEADER(dwfl) - - #ifndef __linux__ ---- elfutils/tests/ChangeLog -+++ elfutils/tests/ChangeLog -@@ -421,6 +421,13 @@ - - 2013-12-02 Jan Kratochvil <jan.kratochvil(a)redhat.com> - -+ Handle T-stopped detach for old kernels. -+ * backtrace.c: Include sys/syscall.h. -+ (linux_proc_pid_is_stopped): New function. -+ (ptrace_detach_stopped): Handle old kernels. -+ -+2013-12-02 Jan Kratochvil <jan.kratochvil(a)redhat.com> -+ - * Makefile.am (check_PROGRAMS): Add backtrace, backtrace-child, - backtrace-data and backtrace-dwarf. - (BUILT_SOURCES, clean-local, backtrace-child-biarch): New. -@@ -1285,6 +1292,8 @@ - - 2008-01-21 Roland McGrath <roland(a)redhat.com> - -+ * line2addr.c (main): Revert last change. -+ - * testfile45.S.bz2: Add tests for cltq, cqto. - * testfile45.expect.bz2: Adjust. - -@@ -1993,6 +2002,11 @@ - * Makefile.am (TESTS): Add run-elflint-test.sh. - (EXTRA_DIST): Add run-elflint-test.sh and testfile18.bz2. - -+2005-05-31 Roland McGrath <roland(a)redhat.com> -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-24 Ulrich Drepper <drepper(a)redhat.com> - - * get-files.c (main): Use correct format specifier. ---- elfutils/tests/line2addr.c -+++ elfutils/tests/line2addr.c -@@ -124,7 +124,7 @@ main (int argc, char *argv[]) - { - struct args a = { .arg = argv[cnt] }; - -- switch (sscanf (a.arg, "%m[^:]:%d", &a.file, &a.line)) -+ switch (sscanf (a.arg, "%a[^:]:%d", &a.file, &a.line)) - { - default: - case 0: ---- elfutils/tests/Makefile.am -+++ elfutils/tests/Makefile.am -@@ -365,6 +365,7 @@ get_lines_LDADD = $(libdw) $(libelf) - get_files_LDADD = $(libdw) $(libelf) - get_aranges_LDADD = $(libdw) $(libelf) - allfcts_LDADD = $(libdw) $(libelf) -+line2addr_no_Wformat = yes - line2addr_LDADD = $(libdw) - addrscopes_LDADD = $(libdw) - funcscopes_LDADD = $(libdw) ---- elfutils/tests/Makefile.in -+++ elfutils/tests/Makefile.in -@@ -80,13 +80,14 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(top_srcdir)/config/test-driver ChangeLog --@STANDALONE_FALSE@am__append_1 = -I$(top_srcdir)/libasm -I$(top_srcdir)/libdw \ -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@STANDALONE_FALSE@am__append_2 = -I$(top_srcdir)/libasm -I$(top_srcdir)/libdw \ - @STANDALONE_FALSE@ -I$(top_srcdir)/libdwfl -I$(top_srcdir)/libdwelf \ - @STANDALONE_FALSE@ -I$(top_srcdir)/libebl -I$(top_srcdir)/libelf \ - @STANDALONE_FALSE@ -I$(top_srcdir)/lib -I.. - --@STANDALONE_FALSE@am__append_2 = -Wl,-rpath-link,../libasm:../libdw:../libelf --@TESTS_RPATH_TRUE@am__append_3 = -Wl,-rpath,$(BUILD_RPATH) -+@STANDALONE_FALSE@am__append_3 = -Wl,-rpath-link,../libasm:../libdw:../libelf -+@TESTS_RPATH_TRUE@am__append_4 = -Wl,-rpath,$(BUILD_RPATH) - check_PROGRAMS = arextract$(EXEEXT) arsymtest$(EXEEXT) \ - newfile$(EXEEXT) saridx$(EXEEXT) scnnames$(EXEEXT) \ - sectiondump$(EXEEXT) showptable$(EXEEXT) update1$(EXEEXT) \ -@@ -113,7 +114,7 @@ check_PROGRAMS = arextract$(EXEEXT) arsy - deleted$(EXEEXT) deleted-lib.so$(EXEEXT) \ - aggregate_size$(EXEEXT) vdsosyms$(EXEEXT) $(am__EXEEXT_1) \ - $(am__EXEEXT_2) $(am__EXEEXT_4) --@BIARCH_TRUE@am__append_4 = backtrace-child-biarch -+@BIARCH_TRUE@am__append_5 = backtrace-child-biarch - TESTS = run-arextract.sh run-arsymtest.sh newfile$(EXEEXT) \ - test-nlist$(EXEEXT) update1$(EXEEXT) update2$(EXEEXT) \ - update3$(EXEEXT) update4$(EXEEXT) run-show-die-info.sh \ -@@ -159,14 +160,14 @@ TESTS = run-arextract.sh run-arsymtest.s - run-stack-i-test.sh run-readelf-dwz-multi.sh \ - run-allfcts-multi.sh run-deleted.sh run-linkmap-cut.sh \ - run-aggregate-size.sh vdsosyms$(EXEEXT) run-readelf-A.sh \ -- $(am__EXEEXT_2) $(am__append_7) $(am__append_8) \ -+ $(am__EXEEXT_2) $(am__append_8) $(am__append_9) \ - $(am__EXEEXT_4) --@STANDALONE_FALSE@am__append_5 = msg_tst md5-sha1-test - @STANDALONE_FALSE@am__append_6 = msg_tst md5-sha1-test --@LZMA_TRUE@am__append_7 = run-readelf-s.sh run-dwflsyms.sh --@ZLIB_TRUE@am__append_8 = run-readelf-zdebug.sh --@HAVE_LIBASM_TRUE@am__append_9 = $(asm_TESTS) -+@STANDALONE_FALSE@am__append_7 = msg_tst md5-sha1-test -+@LZMA_TRUE@am__append_8 = run-readelf-s.sh run-dwflsyms.sh -+@ZLIB_TRUE@am__append_9 = run-readelf-zdebug.sh - @HAVE_LIBASM_TRUE@am__append_10 = $(asm_TESTS) -+@HAVE_LIBASM_TRUE@am__append_11 = $(asm_TESTS) - subdir = tests - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -787,6 +788,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -818,6 +820,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -877,12 +880,12 @@ top_build_prefix = @top_build_prefix@ - top_builddir = @top_builddir@ - top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ --AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. $(am__append_1) --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. $(am__append_2) -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" -@@ -890,7 +893,7 @@ textrel_msg = echo "WARNING: TEXTREL fou - @FATAL_TEXTREL_TRUE@textrel_found = $(textrel_msg); exit 1 - textrel_check = if $(READELF) -d $@ | fgrep -q TEXTREL; then $(textrel_found); fi - BUILD_RPATH = \$$ORIGIN/../libasm:\$$ORIGIN/../libdw:\$$ORIGIN/../backends:\$$ORIGIN/../libelf --AM_LDFLAGS = $(am__append_2) $(am__append_3) -+AM_LDFLAGS = $(am__append_3) $(am__append_4) - @TESTS_RPATH_FALSE@tests_rpath = no - @TESTS_RPATH_TRUE@tests_rpath = yes - asm_TESTS = asm-tst1 asm-tst2 asm-tst3 asm-tst4 asm-tst5 \ -@@ -1106,6 +1109,7 @@ get_lines_LDADD = $(libdw) $(libelf) - get_files_LDADD = $(libdw) $(libelf) - get_aranges_LDADD = $(libdw) $(libelf) - allfcts_LDADD = $(libdw) $(libelf) -+line2addr_no_Wformat = yes - line2addr_LDADD = $(libdw) - addrscopes_LDADD = $(libdw) - funcscopes_LDADD = $(libdw) diff --git a/gzip/gzip.nm b/gzip/gzip.nm index 1ba2326..a75fe44 100644 --- a/gzip/gzip.nm +++ b/gzip/gzip.nm @@ -4,7 +4,7 @@ ############################################################################### name = gzip -version = 1.7 +version = 1.8 release = 1 groups = Applications/Compression diff --git a/kernel/config-arm-generic b/kernel/config-arm-generic index b9b348e..f0abbd1 100644 --- a/kernel/config-arm-generic +++ b/kernel/config-arm-generic @@ -1,5 +1,6 @@ CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y +CONFIG_KERNEL_MODE_NEON=y CONFIG_PGTABLE_LEVELS=2 # @@ -8,6 +9,15 @@ CONFIG_PGTABLE_LEVELS=2 CONFIG_GENERIC_IRQ_SHOW_LEVEL=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_HANDLE_DOMAIN_IRQ=y +CONFIG_ARCH_HAS_TICK_BROADCAST=y + +# +# Timers subsystem +# +# CONFIG_NO_HZ_IDLE is not set +CONFIG_NO_HZ_FULL=y +# CONFIG_NO_HZ_FULL_ALL is not set +# CONFIG_NO_HZ_FULL_SYSIDLE is not set # # CPU/Task time and stats accounting @@ -19,6 +29,9 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y # RCU Subsystem # CONFIG_CONTEXT_TRACKING=y +CONFIG_RCU_USER_QS=y +CONFIG_RCU_NOCB_CPU_NONE=y +# CONFIG_RCU_NOCB_CPU_ALL is not set CONFIG_GENERIC_SCHED_CLOCK=y CONFIG_PERF_USE_VMALLOC=y @@ -28,8 +41,14 @@ CONFIG_PERF_USE_VMALLOC=y CONFIG_CLONE_BACKWARDS=y # +# Platform selection +# +CONFIG_ARCH_VEXPRESS=y + +# # Bus support # +CONFIG_PCI_DOMAINS_GENERIC=y CONFIG_PCI_SYSCALL=y # CONFIG_PCI_MSI is not set # CONFIG_PCI_STUB is not set @@ -49,6 +68,7 @@ CONFIG_PCIEASPM_DEFAULT=y # ARM errata workarounds via the alternatives framework # # CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y CONFIG_HW_PERF_EVENTS=y CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 @@ -60,7 +80,6 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 # # Power management options # -CONFIG_PM_OPP=y CONFIG_CPU_PM=y # @@ -77,7 +96,8 @@ CONFIG_CPU_FREQ_STAT=y # # CPU frequency scaling drivers # -CONFIG_CPUFREQ_DT=m +CONFIG_ARM_BIG_LITTLE_CPUFREQ=m +# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set # # Classification @@ -93,6 +113,12 @@ CONFIG_BPF_JIT=y # CONFIG_RFKILL_GPIO is not set # +# Device Drivers +# +CONFIG_ARM_AMBA=y +CONFIG_TEGRA_AHB=y + +# # Generic Driver Options # CONFIG_DMA_CMA=y @@ -111,28 +137,16 @@ CONFIG_CMA_ALIGNMENT=8 # Bus devices # CONFIG_ARM_CCI=y +CONFIG_ARM_CCI_PMU=y CONFIG_ARM_CCI400_COMMON=y CONFIG_ARM_CCI400_PMU=y +CONFIG_ARM_CCI500_PMU=y # CONFIG_ARM_CCN is not set CONFIG_VEXPRESS_CONFIG=y CONFIG_DTC=y -CONFIG_OF=y - -# -# Device Tree and Open Firmware support -# -# CONFIG_OF_UNITTEST is not set CONFIG_OF_FLATTREE=y CONFIG_OF_EARLY_FLATTREE=y -CONFIG_OF_ADDRESS=y -CONFIG_OF_ADDRESS_PCI=y -CONFIG_OF_IRQ=y -CONFIG_OF_NET=y -CONFIG_OF_MDIO=y -CONFIG_OF_PCI=y -CONFIG_OF_PCI_IRQ=y CONFIG_OF_RESERVED_MEM=y -# CONFIG_OF_OVERLAY is not set # CONFIG_PARPORT is not set # @@ -162,6 +176,7 @@ CONFIG_VEXPRESS_SYSCFG=y CONFIG_AIC79XX_RESET_DELAY_MS=5000 CONFIG_AIC79XX_REG_PRETTY_PRINT=y # CONFIG_SCSI_MVSAS_TASKLET is not set +# CONFIG_SCSI_ADVANSYS is not set # CONFIG_MEGARAID_NEWGEN is not set # @@ -184,10 +199,6 @@ CONFIG_MII=y # Distributed Switch Architecture drivers # CONFIG_AMD8111_ETH=y -CONFIG_ARC_EMAC_CORE=m -CONFIG_ARC_EMAC=m -CONFIG_EMAC_ROCKCHIP=m -CONFIG_SYSTEMPORT=m # CONFIG_CHELSIO_T1_1G is not set # CONFIG_DE2104X is not set # CONFIG_TULIP_MMIO is not set @@ -204,9 +215,6 @@ CONFIG_SMC91X=m # # MII PHY device drivers # -CONFIG_MDIO_BUS_MUX=m -CONFIG_MDIO_BUS_MUX_GPIO=m -CONFIG_MDIO_BUS_MUX_MMIOREG=m CONFIG_WIL6210_TRACING=y # CONFIG_IPW2100_MONITOR is not set # CONFIG_IPW2200_MONITOR is not set @@ -217,10 +225,7 @@ CONFIG_WIL6210_TRACING=y # # CONFIG_KEYBOARD_ADP5520 is not set # CONFIG_KEYBOARD_STMPE is not set -CONFIG_KEYBOARD_OMAP4=m -# CONFIG_KEYBOARD_TC3589X is not set # CONFIG_KEYBOARD_CAP11XX is not set -CONFIG_KEYBOARD_BCM=m CONFIG_INPUT_MAX77693_HAPTIC=m # CONFIG_INPUT_MAX8997_HAPTIC is not set # CONFIG_INPUT_GPIO_BEEPER is not set @@ -232,7 +237,7 @@ CONFIG_INPUT_MAX77693_HAPTIC=m # # Hardware I/O ports # -CONFIG_SERIO_APBPS2=m +# CONFIG_SERIO_AMBAKMI is not set # # Character devices @@ -244,8 +249,15 @@ CONFIG_SERIO_APBPS2=m # CONFIG_NOZOMI is not set # +# Serial drivers +# +CONFIG_SERIAL_8250_INGENIC=y + +# # Non-8250 serial port support # +CONFIG_SERIAL_AMBA_PL010=m +CONFIG_SERIAL_AMBA_PL011=m CONFIG_SERIAL_EARLYCON_ARM_SEMIHOST=y # CONFIG_SERIAL_JSM is not set CONFIG_SERIAL_OF_PLATFORM=y @@ -253,7 +265,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_SERIAL_XILINX_PS_UART is not set # CONFIG_SERIAL_ARC is not set # CONFIG_SERIAL_RP2 is not set -CONFIG_SERIAL_CONEXANT_DIGICOLOR=m # # Multiplexer I2C Chip support @@ -272,33 +283,22 @@ CONFIG_I2C_SIS630=m # # I2C system bus drivers (mostly embedded / system-on-chip) # -CONFIG_I2C_RK3X=m +CONFIG_I2C_VERSATILE=m # # Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks. # CONFIG_ARCH_REQUIRE_GPIOLIB=y -CONFIG_OF_GPIO=y -CONFIG_GPIO_GENERIC=y # # Memory mapped GPIO drivers # -CONFIG_GPIO_74XX_MMIO=m -CONFIG_GPIO_ALTERA=m -CONFIG_GPIO_GENERIC_PLATFORM=y # CONFIG_GPIO_GRGPIO is not set -# CONFIG_GPIO_SYSCON is not set - -# -# I2C GPIO expanders -# -CONFIG_GPIO_ADNP=m +CONFIG_GPIO_PL061=y # # MFD GPIO expanders # -# CONFIG_GPIO_STMPE is not set # CONFIG_GPIO_TC3589X is not set # @@ -317,12 +317,7 @@ CONFIG_GPIO_ADNP=m # CONFIG_CHARGER_MAX8997 is not set # CONFIG_CHARGER_MAX8998 is not set CONFIG_POWER_RESET_AS3722=y -CONFIG_POWER_RESET_GPIO=y -CONFIG_POWER_RESET_GPIO_RESTART=y -CONFIG_POWER_RESET_LTC2952=y CONFIG_POWER_RESET_VEXPRESS=y -CONFIG_POWER_RESET_SYSCON=y -CONFIG_POWER_RESET_SYSCON_POWEROFF=y # # Native drivers @@ -331,16 +326,9 @@ CONFIG_SENSORS_PWM_FAN=m CONFIG_SENSORS_VEXPRESS=m # -# ACPI drivers -# -CONFIG_THERMAL_OF=y -# CONFIG_CPU_THERMAL is not set -CONFIG_CLOCK_THERMAL=y - -# # Watchdog Device Drivers # -CONFIG_GPIO_WATCHDOG=m +CONFIG_ARM_SP805_WATCHDOG=m # # PCI-based Watchdog Cards @@ -351,30 +339,18 @@ CONFIG_GPIO_WATCHDOG=m # # Multifunction device drivers # -CONFIG_MFD_AS3722=y -CONFIG_MFD_HI6421_PMIC=m # CONFIG_LPC_ICH is not set -CONFIG_MFD_MAX77686=y # CONFIG_MFD_RTSX_PCI is not set -CONFIG_MFD_RK808=m -CONFIG_MFD_STMPE=y # # STMicroelectronics STMPE Interface Drivers # -CONFIG_STMPE_I2C=y -CONFIG_MFD_TC3589X=y +# CONFIG_MFD_VX855 is not set CONFIG_MFD_VEXPRESS_SYSREG=y CONFIG_REGULATOR_FIXED_VOLTAGE=y # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set -CONFIG_REGULATOR_AS3722=m -CONFIG_REGULATOR_HI6421=m -CONFIG_REGULATOR_MAX77686=m -CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_PWM=m -CONFIG_REGULATOR_RK808=m -CONFIG_REGULATOR_TPS65218=m CONFIG_REGULATOR_VEXPRESS=m # @@ -409,7 +385,7 @@ CONFIG_DVB_TTUSB_DEC=y # CONFIG_DVB_PT1 is not set # CONFIG_MANTIS_CORE is not set # CONFIG_DVB_NGENE is not set -# CONFIG_VIDEO_XILINX is not set +# CONFIG_VIDEO_CAFE_CCIC is not set # # DVB-S (satellite) frontends @@ -437,20 +413,13 @@ CONFIG_DVB_LNBP21=y # # I2C encoder or helper chips # -CONFIG_DRM_PTN3460=m -CONFIG_DRM_PS8622=m -# CONFIG_DRM_RADEON is not set -# CONFIG_DRM_NOUVEAU is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_BACKLIGHT is not set +# CONFIG_DRM_I2C_NXP_TDA998X is not set # # Frame buffer hardware drivers # -# CONFIG_FB_SSD1307 is not set +# CONFIG_FB_ARMCLCD is not set +# CONFIG_LCD_PLATFORM is not set # CONFIG_BACKLIGHT_PWM is not set # CONFIG_BACKLIGHT_LM3630A is not set # CONFIG_BACKLIGHT_LP855X is not set @@ -462,11 +431,14 @@ CONFIG_DRM_PS8622=m CONFIG_SND_DMAENGINE_PCM=m CONFIG_SND_COMPRESS_OFFLOAD=m # CONFIG_SND_ALI5451 is not set +# CONFIG_SND_ES1968_INPUT is not set +# CONFIG_SND_MAESTRO3_INPUT is not set # # HD-Audio # CONFIG_SND_SOC=m +CONFIG_SND_SOC_AC97_BUS=y CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM=y CONFIG_SND_ATMEL_SOC=m CONFIG_SND_DESIGNWARE_I2S=m @@ -486,6 +458,7 @@ CONFIG_SND_SOC_I2C_AND_SPI=m # # CODEC drivers # +CONFIG_SND_SOC_AC97_CODEC=m CONFIG_SND_SOC_ADAU1701=m CONFIG_SND_SOC_AK4554=m CONFIG_SND_SOC_AK4642=m @@ -522,6 +495,7 @@ CONFIG_SND_SOC_STA32X=m CONFIG_SND_SOC_STA350=m CONFIG_SND_SOC_TAS2552=m CONFIG_SND_SOC_TAS5086=m +CONFIG_SND_SOC_TAS571X=m CONFIG_SND_SOC_TFA9879=m CONFIG_SND_SOC_TLV320AIC23=m CONFIG_SND_SOC_TLV320AIC23_I2C=m @@ -548,11 +522,6 @@ CONFIG_SND_SOC_TPA6130A2=m CONFIG_SND_SIMPLE_CARD=m # -# Gadget/Dual-role mode requires USB Gadget support to be enabled -# -CONFIG_USB_CHIPIDEA_OF=m - -# # USB Physical Layer drivers # CONFIG_USB_ULPI=y @@ -561,7 +530,8 @@ CONFIG_USB_ULPI_VIEWPORT=y # # MMC/SD/SDIO Host Controller Drivers # -CONFIG_MMC_SDHCI_F_SDH30=m +CONFIG_MMC_ARMMMCI=m +# CONFIG_MMC_RICOH_MMC is not set CONFIG_MMC_DW=m CONFIG_MMC_DW_IDMAC=y CONFIG_MMC_DW_PLTFM=m @@ -575,48 +545,40 @@ CONFIG_MMC_DW_PCI=m CONFIG_LEDS_PWM=m # -# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) -# -CONFIG_LEDS_SYSCON=y - -# -# I2C RTC drivers -# -CONFIG_RTC_DRV_AS3722=m -CONFIG_RTC_DRV_HYM8563=m -CONFIG_RTC_DRV_MAX77686=m -CONFIG_RTC_DRV_RK808=m -CONFIG_RTC_DRV_MAX77802=m - -# # on-CPU RTC drivers # -CONFIG_RTC_DRV_SNVS=m +CONFIG_RTC_DRV_PL030=m +CONFIG_RTC_DRV_PL031=m # # DMA Devices # +# CONFIG_AMBA_PL08X is not set # CONFIG_DW_DMAC is not set -CONFIG_FSL_EDMA=m -CONFIG_DMA_OF=y +# CONFIG_DW_DMAC_PCI is not set +# CONFIG_PL330_DMA is not set + +# +# DMA Clients +# +# CONFIG_UIO_AEC is not set +# CONFIG_UIO_SERCOS3 is not set +# CONFIG_UIO_PCI_GENERIC is not set +# CONFIG_UIO_MF624 is not set # # Android # # CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set -CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y -# CONFIG_I2O_BUS is not set -# CONFIG_I2O_BLOCK is not set -# CONFIG_I2O_SCSI is not set -# CONFIG_I2O_PROC is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_MAX_GEN=y -CONFIG_COMMON_CLK_MAX77802=m -CONFIG_COMMON_CLK_RK808=m -CONFIG_COMMON_CLK_SI570=m +CONFIG_COMMON_CLK_WM831X=y +CONFIG_COMMON_CLK_VERSATILE=y +CONFIG_CLK_SP810=y +CONFIG_CLK_VEXPRESS_OSC=y +CONFIG_COMMON_CLK_MAX77686=y CONFIG_COMMON_CLK_PWM=m # @@ -624,23 +586,35 @@ CONFIG_COMMON_CLK_PWM=m # CONFIG_CLKSRC_OF=y CONFIG_CLKSRC_MMIO=y +CONFIG_ARM_ARCH_TIMER=y +CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y +CONFIG_ARM_TIMER_SP804=y +CONFIG_ARM_MHU=m # -# Analog to digital converters +# Generic IOMMU Pagetable Support # -CONFIG_VF610_ADC=m +CONFIG_IOMMU_IO_PGTABLE=y +CONFIG_IOMMU_IO_PGTABLE_LPAE=y +# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set # -# Digital to analog converters +# Analog to digital converters # -CONFIG_MAX5821=m +# CONFIG_LP8788_ADC is not set +# CONFIG_TWL6030_GPADC is not set # # Temperature sensors # CONFIG_PWM=y CONFIG_PWM_SYSFS=y -CONFIG_IRQCHIP=y +# CONFIG_PWM_FSL_FTM is not set +# CONFIG_PWM_LP3943 is not set +# CONFIG_PWM_PCA9685 is not set +# CONFIG_PWM_TWL is not set +# CONFIG_PWM_TWL_LED is not set +CONFIG_ARM_GIC=y # # Firmware Drivers @@ -650,17 +624,17 @@ CONFIG_IRQCHIP=y # # RCU Debugging # +CONFIG_RCU_CPU_STALL_TIMEOUT=21 # CONFIG_FTRACE_SYSCALLS is not set # # Runtime Testing # -# CONFIG_DEBUG_SET_MODULE_RONX is not set -CONFIG_DEBUG_RODATA=y +# CONFIG_PID_IN_CONTEXTIDR is not set # CONFIG_CORESIGHT is not set # -# Logging Options +# Security options # CONFIG_LSM_MMAP_MIN_ADDR=32768 @@ -668,6 +642,7 @@ CONFIG_LSM_MMAP_MIN_ADDR=32768 # Crypto core or helper # CONFIG_CRYPTO_GF128MUL=m +CONFIG_CRYPTO_ABLK_HELPER=m # # Block modes diff --git a/kernel/config-arm32-generic b/kernel/config-arm32-generic index eb29bb7..31b7ecf 100644 --- a/kernel/config-arm32-generic +++ b/kernel/config-arm32-generic @@ -4,6 +4,8 @@ CONFIG_ARM_DMA_USE_IOMMU=y CONFIG_ARM_DMA_IOMMU_ALIGNMENT=8 CONFIG_MIGHT_HAVE_PCI=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_NO_IOPORT_MAP=y +CONFIG_ARCH_HAS_BANDGAP=y CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_ARM_PATCH_PHYS_VIRT=y @@ -19,11 +21,6 @@ CONFIG_KERNEL_XZ=y # CONFIG_KERNEL_LZ4 is not set # -# IRQ subsystem -# -CONFIG_IRQ_FORCED_THREADING=y - -# # RCU Subsystem # CONFIG_CONTEXT_TRACKING_FORCE=y @@ -31,8 +28,6 @@ CONFIG_CONTEXT_TRACKING_FORCE=y # # Kernel Performance Events And Counters # -CONFIG_SLAB=y -# CONFIG_SLUB is not set # CONFIG_KPROBES is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_GENERIC_IDLE_POLL_SETUP=y @@ -43,7 +38,6 @@ CONFIG_OLD_SIGACTION=y # # GCOV-based kernel profiling # -CONFIG_SLABINFO=y CONFIG_LBDAF=y # @@ -82,62 +76,345 @@ CONFIG_ARCH_MULTIPLATFORM=y # CPU Core family selection # # CONFIG_ARCH_MULTI_V6 is not set +CONFIG_ARCH_MULTI_V7=y +CONFIG_ARCH_MULTI_V6_V7=y +# CONFIG_ARCH_MULTI_CPU_AUTO is not set +CONFIG_ARCH_VIRT=y +# CONFIG_ARCH_MVEBU is not set +# CONFIG_ARCH_ALPINE is not set # CONFIG_ARCH_AT91 is not set +CONFIG_ARCH_BCM=y + +# +# IPROC architected SoCs +# +CONFIG_ARCH_BCM_IPROC=y +# CONFIG_ARCH_BCM_CYGNUS is not set +CONFIG_ARCH_BCM_5301X=y + +# +# KONA architected SoCs +# +# CONFIG_ARCH_BCM_281XX is not set +# CONFIG_ARCH_BCM_21664 is not set + +# +# Other Architectures +# +CONFIG_ARCH_BCM_63XX=y +CONFIG_ARCH_BRCMSTB=y +CONFIG_ARCH_BERLIN=y +# CONFIG_MACH_BERLIN_BG2 is not set +# CONFIG_MACH_BERLIN_BG2CD is not set +# CONFIG_MACH_BERLIN_BG2Q is not set +# CONFIG_ARCH_DIGICOLOR is not set +CONFIG_ARCH_HIGHBANK=y +CONFIG_ARCH_HISI=y # # Hisilicon platform type # +CONFIG_ARCH_HI3xxx=y +# CONFIG_ARCH_HIP01 is not set +CONFIG_ARCH_HIP04=y +CONFIG_ARCH_HIX5HD2=y +CONFIG_ARCH_KEYSTONE=y +CONFIG_ARCH_MESON=y +CONFIG_MACH_MESON6=y +CONFIG_MACH_MESON8=y CONFIG_ARCH_MXC=y # +# Cortex-A platforms +# +# CONFIG_SOC_IMX50 is not set +# CONFIG_SOC_IMX51 is not set +# CONFIG_SOC_IMX53 is not set +CONFIG_SOC_IMX6=y +CONFIG_SOC_IMX6Q=y +CONFIG_SOC_IMX6SL=y +CONFIG_SOC_IMX6SX=y +# CONFIG_SOC_IMX7D is not set +# CONFIG_SOC_LS1021A is not set + +# +# Cortex-A/Cortex-M asymmetric multiprocessing platforms +# +CONFIG_SOC_VF610=y +CONFIG_VF_USE_ARM_GLOBAL_TIMER=y +# CONFIG_VF_USE_PIT_TIMER is not set +CONFIG_ARCH_MEDIATEK=y +CONFIG_MACH_MT6589=y +CONFIG_MACH_MT6592=y +CONFIG_MACH_MT8127=y +CONFIG_MACH_MT8135=y +CONFIG_ARCH_OMAP=y + +# +# OMAP Feature Selections +# +# CONFIG_POWER_AVS_OMAP is not set +# CONFIG_OMAP_RESET_CLOCKS is not set +CONFIG_OMAP_MUX=y +# CONFIG_OMAP_MUX_DEBUG is not set +CONFIG_OMAP_MUX_WARNINGS=y +CONFIG_OMAP_32K_TIMER=y +# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set +CONFIG_OMAP_DM_TIMER=y +CONFIG_OMAP_PM_NOOP=y +CONFIG_MACH_OMAP_GENERIC=y + +# +# TI OMAP/AM/DM/DRA Family +# +CONFIG_ARCH_OMAP3=y +CONFIG_ARCH_OMAP4=y +CONFIG_SOC_OMAP5=y +CONFIG_SOC_AM33XX=y +CONFIG_SOC_AM43XX=y +CONFIG_SOC_DRA7XX=y +CONFIG_ARCH_OMAP2PLUS=y + +# +# TI OMAP2/3/4 Specific Features +# +CONFIG_ARCH_OMAP2PLUS_TYPICAL=y +CONFIG_SOC_HAS_OMAP2_SDRC=y +CONFIG_SOC_HAS_REALTIME_COUNTER=y +CONFIG_SOC_OMAP3430=y +CONFIG_SOC_TI81XX=y +CONFIG_OMAP_PACKAGE_CBB=y + +# # OMAP Legacy Platform Data Board Type # +CONFIG_MACH_OMAP_LDP=y +CONFIG_MACH_OMAP3530_LV_SOM=y +CONFIG_MACH_OMAP3_TORPEDO=y +CONFIG_MACH_OMAP3517EVM=y +CONFIG_MACH_OMAP3_PANDORA=y +CONFIG_MACH_NOKIA_RX51=y +# CONFIG_OMAP3_SDRC_AC_TIMING is not set +CONFIG_ARCH_QCOM=y +# CONFIG_ARCH_MSM8X60 is not set +# CONFIG_ARCH_MSM8960 is not set +# CONFIG_ARCH_MSM8974 is not set +CONFIG_ARCH_ROCKCHIP=y +# CONFIG_ARCH_SOCFPGA is not set # CONFIG_PLAT_SPEAR is not set +CONFIG_ARCH_STI=y +CONFIG_SOC_STIH415=y +CONFIG_SOC_STIH416=y +CONFIG_SOC_STIH407=y +# CONFIG_ARCH_S5PV210 is not set +CONFIG_ARCH_EXYNOS=y +# CONFIG_ARCH_EXYNOS3 is not set +CONFIG_ARCH_EXYNOS4=y +CONFIG_ARCH_EXYNOS5=y + +# +# EXYNOS SoCs +# +CONFIG_CPU_EXYNOS4210=y +CONFIG_SOC_EXYNOS4212=y +CONFIG_SOC_EXYNOS4412=y +CONFIG_SOC_EXYNOS4415=y +CONFIG_SOC_EXYNOS5250=y +CONFIG_SOC_EXYNOS5260=y +CONFIG_SOC_EXYNOS5410=y +CONFIG_SOC_EXYNOS5420=y +CONFIG_SOC_EXYNOS5440=y +CONFIG_SOC_EXYNOS5800=y +# CONFIG_EXYNOS5420_MCPM is not set +CONFIG_EXYNOS_CPU_SUSPEND=y +CONFIG_PLAT_SAMSUNG=y + +# +# Boot options +# +CONFIG_S5P_DEV_MFC=y + +# +# Power management +# +# CONFIG_SAMSUNG_PM_CHECK is not set +CONFIG_ARCH_SHMOBILE=y +CONFIG_PM_RCAR=y +CONFIG_ARCH_RCAR_GEN1=y +CONFIG_ARCH_SHMOBILE_MULTI=y +# CONFIG_ARCH_EMEV2 is not set +# CONFIG_ARCH_R7S72100 is not set +# CONFIG_ARCH_R8A73A4 is not set +# CONFIG_ARCH_R8A7740 is not set +# CONFIG_ARCH_R8A7778 is not set +CONFIG_ARCH_R8A7779=y +# CONFIG_ARCH_R8A7790 is not set +# CONFIG_ARCH_R8A7791 is not set +# CONFIG_ARCH_R8A7794 is not set +# CONFIG_ARCH_SH73A0 is not set + +# +# Renesas ARM SoCs Board Type +# +CONFIG_MACH_MARZEN=y + +# +# Timer and clock configuration +# +CONFIG_SHMOBILE_TIMER_HZ=128 +CONFIG_ARCH_SUNXI=y +CONFIG_MACH_SUN4I=y +CONFIG_MACH_SUN5I=y +CONFIG_MACH_SUN6I=y +CONFIG_MACH_SUN7I=y +CONFIG_MACH_SUN8I=y +CONFIG_MACH_SUN9I=y +CONFIG_ARCH_SIRF=y + +# +# CSR SiRF atlas6/primaII/Atlas7 Specific Features +# +CONFIG_ARCH_ATLAS6=y +CONFIG_ARCH_ATLAS7=y +CONFIG_ARCH_PRIMA2=y +CONFIG_SIRF_IRQ=y +CONFIG_ARCH_TEGRA=y +CONFIG_ARCH_TEGRA_2x_SOC=y +CONFIG_ARCH_TEGRA_3x_SOC=y +CONFIG_ARCH_TEGRA_114_SOC=y +CONFIG_ARCH_TEGRA_124_SOC=y +# CONFIG_ARCH_UNIPHIER is not set +CONFIG_ARCH_U8500=y +CONFIG_UX500_SOC_DB8500=y +CONFIG_MACH_MOP500=y +# CONFIG_MACH_HREFV60 is not set +# CONFIG_MACH_SNOWBALL is not set +CONFIG_UX500_AUTO_PLATFORM=y +CONFIG_UX500_DEBUG_UART=2 +CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y +CONFIG_ARCH_VEXPRESS_DCSCB=y +CONFIG_ARCH_VEXPRESS_SPC=y +CONFIG_ARCH_VEXPRESS_TC2_PM=y +CONFIG_ARCH_VT8500=y +CONFIG_ARCH_WM8850=y +# CONFIG_ARCH_ZX is not set +CONFIG_ARCH_ZYNQ=y +CONFIG_PLAT_VERSATILE=y +CONFIG_ARCH_SUPPORTS_FIRMWARE=y +CONFIG_ARCH_SUPPORTS_TRUSTED_FOUNDATIONS=y + +# +# Firmware options +# +CONFIG_TRUSTED_FOUNDATIONS=y # # Processor Type # +CONFIG_CPU_V7=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +CONFIG_CPU_PABRT_V7=y +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y # # Processor Features # +# CONFIG_ARM_LPAE is not set # CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set CONFIG_ARM_THUMB=y +# CONFIG_ARM_THUMBEE is not set +CONFIG_ARM_VIRT_EXT=y +CONFIG_SWP_EMULATE=y # CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_KUSER_HELPERS=y +CONFIG_VDSO=y CONFIG_OUTER_CACHE=y +CONFIG_OUTER_CACHE_SYNC=y +CONFIG_MIGHT_HAVE_CACHE_L2X0=y +CONFIG_CACHE_L2X0=y +CONFIG_PL310_ERRATA_588369=y +CONFIG_PL310_ERRATA_727915=y +CONFIG_PL310_ERRATA_753970=y +CONFIG_PL310_ERRATA_769419=y +CONFIG_ARM_L1_CACHE_SHIFT_6=y +CONFIG_ARM_L1_CACHE_SHIFT=6 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y CONFIG_ARM_KERNMEM_PERMS=y CONFIG_MULTI_IRQ_HANDLER=y +# CONFIG_ARM_ERRATA_430973 is not set +CONFIG_ARM_ERRATA_643719=y +CONFIG_ARM_ERRATA_720789=y +CONFIG_ARM_ERRATA_754322=y +CONFIG_ARM_ERRATA_754327=y +CONFIG_ARM_ERRATA_764369=y +CONFIG_ARM_ERRATA_775420=y +CONFIG_ARM_ERRATA_798181=y +# CONFIG_ARM_ERRATA_773022 is not set +CONFIG_ICST=y +CONFIG_TI_PRIV_EDMA=y # # PCI host controller drivers # CONFIG_PCIE_DW=y +CONFIG_PCI_EXYNOS=y +CONFIG_PCI_IMX6=y +CONFIG_PCI_TEGRA=y +CONFIG_PCI_RCAR_GEN2=y +CONFIG_PCI_RCAR_GEN2_PCIE=y CONFIG_PCI_HOST_GENERIC=y +CONFIG_PCI_KEYSTONE=y +CONFIG_PCIE_XILINX=y CONFIG_PCI_LAYERSCAPE=y -CONFIG_PCIE_IPROC=m +CONFIG_PCIE_IPROC=y +CONFIG_PCIE_IPROC_PLATFORM=m +# CONFIG_PCIE_IPROC_BCMA is not set # CONFIG_PCCARD is not set # # Kernel Features # +CONFIG_SMP_ON_UP=y +CONFIG_ARM_CPU_TOPOLOGY=y +CONFIG_MCPM=y +CONFIG_MCPM_QUAD_CLUSTER=y +CONFIG_BIG_LITTLE=y +# CONFIG_BL_SWITCHER is not set CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_NR_CPUS=4 +CONFIG_ARM_PSCI=y +CONFIG_ARCH_NR_GPIO=1024 +CONFIG_HZ_FIXED=200 +CONFIG_HZ=200 CONFIG_SCHED_HRTICK=y +CONFIG_THUMB2_KERNEL=y +CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y +CONFIG_ARM_ASM_UNIFIED=y CONFIG_AEABI=y # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HIGHMEM=y # CONFIG_HIGHPTE is not set +# CONFIG_ARM_MODULE_PLTS is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_FORCE_MAX_ZONEORDER=12 CONFIG_ALIGNMENT_TRAP=y +# CONFIG_UACCESS_WITH_MEMCPY is not set # # Boot options @@ -148,61 +425,112 @@ CONFIG_ATAGS=y CONFIG_ZBOOT_ROM_TEXT=0 CONFIG_ZBOOT_ROM_BSS=0 CONFIG_ARM_APPENDED_DTB=y +# CONFIG_ARM_ATAG_DTB_COMPAT is not set +CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" CONFIG_CMDLINE_FROM_BOOTLOADER=y # CONFIG_CMDLINE_EXTEND is not set +# CONFIG_KEXEC is not set CONFIG_CRASH_DUMP=y CONFIG_AUTO_ZRELADDR=y # # CPU frequency scaling drivers # +# CONFIG_ARM_DT_BL_CPUFREQ is not set +# CONFIG_ARM_VEXPRESS_SPC_CPUFREQ is not set +CONFIG_ARM_EXYNOS_CPUFREQ=y +CONFIG_ARM_EXYNOS4X12_CPUFREQ=y +CONFIG_ARM_EXYNOS5250_CPUFREQ=y +# CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW is not set +CONFIG_ARM_EXYNOS5440_CPUFREQ=y +CONFIG_ARM_HIGHBANK_CPUFREQ=m +CONFIG_ARM_HISI_ACPU_CPUFREQ=m CONFIG_ARM_IMX6Q_CPUFREQ=m +CONFIG_ARM_OMAP2PLUS_CPUFREQ=y +CONFIG_ARM_TEGRA_CPUFREQ=y CONFIG_QORIQ_CPUFREQ=m # +# ARM CPU Idle Drivers +# +# CONFIG_ARM_BIG_LITTLE_CPUIDLE is not set +# CONFIG_ARM_HIGHBANK_CPUIDLE is not set +# CONFIG_ARM_ZYNQ_CPUIDLE is not set +# CONFIG_ARM_U8500_CPUIDLE is not set +# CONFIG_ARM_EXYNOS_CPUIDLE is not set +CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED=y + +# # At least one emulation must be selected # CONFIG_VFP=y +CONFIG_VFPv3=y +CONFIG_NEON=y # # Power management options # +# CONFIG_HIBERNATION is not set CONFIG_APM_EMULATION=y +CONFIG_PM_GENERIC_DOMAINS=y +CONFIG_PM_GENERIC_DOMAINS_SLEEP=y +CONFIG_PM_GENERIC_DOMAINS_OF=y CONFIG_ARM_CPU_SUSPEND=y CONFIG_ARCH_HIBERNATION_POSSIBLE=y # # Generic Driver Options # -CONFIG_FW_LOADER_USER_HELPER=y CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y CONFIG_SOC_BUS=y # # Bus devices # +CONFIG_ARM_CCI400_PORT_CTRL=y CONFIG_BRCMSTB_GISB_ARB=y +# CONFIG_IMX_WEIM is not set +CONFIG_OMAP_INTERCONNECT=y +# CONFIG_OMAP_OCP2SCP is not set +CONFIG_SIMPLE_PM_BUS=y +CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y +# CONFIG_MG_DISK is not set # -# Device Tree and Open Firmware support +# Misc devices # -CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y -# CONFIG_MG_DISK is not set +# CONFIG_ARM_CHARLCD is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_SUNXI_SID is not set # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_IDE is not set # # SCSI Transports # +CONFIG_SCSI_UFS_QCOM=y CONFIG_SCSI_NSP32=m # # Controllers with non-SFF native interface # +CONFIG_AHCI_BRCMSTB=m +CONFIG_AHCI_ST=m CONFIG_AHCI_IMX=m +CONFIG_AHCI_SUNXI=m +CONFIG_AHCI_TEGRA=m + +# +# SATA SFF controllers with BMDMA +# +CONFIG_SATA_HIGHBANK=m +CONFIG_SATA_RCAR=m # # PATA SFF controllers with BMDMA @@ -212,6 +540,11 @@ CONFIG_PATA_IMX=m # # Distributed Switch Architecture drivers # +CONFIG_NET_VENDOR_ALLWINNER=y +CONFIG_SUN4I_EMAC=m +# CONFIG_MACB is not set +CONFIG_BGMAC=m +CONFIG_NET_CALXEDA_XGMAC=m CONFIG_NET_VENDOR_CIRRUS=y CONFIG_CS89x0=m CONFIG_CS89x0_PLATFORM=y @@ -224,12 +557,34 @@ CONFIG_NET_VENDOR_FREESCALE=y CONFIG_FEC=m CONFIG_FSL_PQ_MDIO=m CONFIG_FSL_XGMAC_MDIO=m +CONFIG_GIANFAR=m CONFIG_NET_VENDOR_HISILICON=y CONFIG_HIX5HD2_GMAC=m CONFIG_HIP04_ETH=m +CONFIG_PXA168_ETH=m CONFIG_AX88796=m CONFIG_AX88796_93CX6=y +CONFIG_SH_ETH=m +CONFIG_RAVB=m CONFIG_SMC911X=m +CONFIG_TI_DAVINCI_EMAC=m +CONFIG_TI_DAVINCI_MDIO=m +CONFIG_TI_DAVINCI_CPDMA=m +CONFIG_TI_CPSW_PHY_SEL=y +CONFIG_TI_CPSW=m +# CONFIG_TI_CPTS is not set +CONFIG_NET_VENDOR_XILINX=y +# CONFIG_XILINX_EMACLITE is not set + +# +# MII PHY device drivers +# +CONFIG_MDIO_SUN4I=m + +# +# Input device support +# +CONFIG_INPUT_MATRIXKMAP=y # # Userland interfaces @@ -240,22 +595,55 @@ CONFIG_SMC911X=m # Input Device Drivers # CONFIG_KEYBOARD_IMX=m +# CONFIG_KEYBOARD_NOMADIK is not set +CONFIG_KEYBOARD_TEGRA=m CONFIG_KEYBOARD_PMIC8XXX=m +CONFIG_KEYBOARD_SAMSUNG=y +# CONFIG_KEYBOARD_ST_KEYSCAN is not set +CONFIG_KEYBOARD_SH_KEYSC=m +CONFIG_KEYBOARD_SUN4I_LRADC=m +# CONFIG_INPUT_AB8500_PONKEY is not set +CONFIG_INPUT_PM8941_PWRKEY=m # CONFIG_INPUT_PM8XXX_VIBRATOR is not set CONFIG_INPUT_PMIC8XXX_PWRKEY=m +CONFIG_INPUT_SIRFSOC_ONKEY=y + +# +# Hardware I/O ports +# +CONFIG_SERIO_SUN4I_PS2=m # # Serial drivers # CONFIG_SERIAL_8250_EM=m +CONFIG_SERIAL_8250_OMAP=m +CONFIG_SERIAL_8250_MT6577=y # # Non-8250 serial port support # +CONFIG_SERIAL_MESON=m +CONFIG_SERIAL_SAMSUNG=m +CONFIG_SERIAL_SAMSUNG_UARTS_4=y +CONFIG_SERIAL_SAMSUNG_UARTS=4 +CONFIG_SERIAL_SIRFSOC=m CONFIG_SERIAL_IMX=m +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_SH_SCI=m +CONFIG_SERIAL_SH_SCI_NR_UARTS=2 +# CONFIG_SERIAL_MSM is not set +# CONFIG_SERIAL_VT8500 is not set +CONFIG_SERIAL_OMAP=m CONFIG_SERIAL_BCM63XX=m CONFIG_SERIAL_ST_ASC=m +CONFIG_SERIAL_STM32=m # CONFIG_HVC_DCC is not set +CONFIG_HW_RANDOM_IPROC_RNG200=m +CONFIG_HW_RANDOM_OMAP=y +CONFIG_HW_RANDOM_OMAP3_ROM=y +CONFIG_HW_RANDOM_EXYNOS=y +CONFIG_HW_RANDOM_MSM=m CONFIG_NVRAM=y # @@ -264,10 +652,58 @@ CONFIG_NVRAM=y CONFIG_I2C_MUX_PINCTRL=m # +# PC SMBus host controller drivers +# +CONFIG_I2C_HIX5HD2=m + +# # I2C system bus drivers (mostly embedded / system-on-chip) # +CONFIG_I2C_BCM_IPROC=m +# CONFIG_I2C_BRCMSTB is not set +# CONFIG_I2C_CADENCE is not set +CONFIG_I2C_DAVINCI=m +CONFIG_I2C_EXYNOS5=m CONFIG_I2C_IMX=m +CONFIG_I2C_MESON=m +CONFIG_I2C_MT65XX=m CONFIG_I2C_MV64XXX=m +CONFIG_I2C_NOMADIK=y +CONFIG_I2C_OMAP=y +CONFIG_I2C_QUP=m +CONFIG_I2C_RIIC=m +CONFIG_I2C_S3C2410=m +CONFIG_I2C_SH_MOBILE=m +CONFIG_I2C_SIRF=m +CONFIG_I2C_ST=m +CONFIG_I2C_SUN6I_P2WI=m +CONFIG_I2C_TEGRA=m +CONFIG_I2C_WMT=m +CONFIG_I2C_RCAR=m + +# +# Other I2C/SMBus bus drivers +# +CONFIG_I2C_SLAVE=y +# CONFIG_I2C_SLAVE_EEPROM is not set +CONFIG_SPMI_MSM_PMIC_ARB=m + +# +# HSI controllers +# +CONFIG_OMAP_SSI=m +CONFIG_OMAP_SSI_PORT=m + +# +# PPS support +# +CONFIG_PPS=y + +# +# PTP clock support +# +CONFIG_PTP_1588_CLOCK=y +CONFIG_PTP_1588_CLOCK_GIANFAR=m # # Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks. @@ -283,60 +719,215 @@ CONFIG_GENERIC_PINCONF=y # CONFIG_DEBUG_PINCTRL is not set # CONFIG_PINCTRL_AS3722 is not set CONFIG_PINCTRL_AMD=y +CONFIG_PINCTRL_MESON=y +CONFIG_PINCTRL_ROCKCHIP=y +CONFIG_PINCTRL_SINGLE=y +CONFIG_PINCTRL_SIRF=y +CONFIG_PINCTRL_ST=y +CONFIG_PINCTRL_TEGRA=y +CONFIG_PINCTRL_TEGRA20=y +CONFIG_PINCTRL_TEGRA30=y +CONFIG_PINCTRL_TEGRA114=y +CONFIG_PINCTRL_TEGRA124=y +CONFIG_PINCTRL_TEGRA_XUSB=y # CONFIG_PINCTRL_PALMAS is not set +CONFIG_PINCTRL_ZYNQ=y +CONFIG_PINCTRL_IMX=y +CONFIG_PINCTRL_IMX6Q=y +CONFIG_PINCTRL_IMX6SL=y +CONFIG_PINCTRL_IMX6SX=y +CONFIG_PINCTRL_VF610=y +CONFIG_PINCTRL_ABX500=y +CONFIG_PINCTRL_AB8500=y +CONFIG_PINCTRL_AB8540=y +CONFIG_PINCTRL_AB9540=y +CONFIG_PINCTRL_AB8505=y +CONFIG_PINCTRL_NOMADIK=y +CONFIG_PINCTRL_DB8500=y +CONFIG_PINCTRL_DB8540=y +CONFIG_PINCTRL_MSM=y +CONFIG_PINCTRL_APQ8064=y +CONFIG_PINCTRL_APQ8084=y +CONFIG_PINCTRL_IPQ8064=y +CONFIG_PINCTRL_MSM8660=m +CONFIG_PINCTRL_MSM8960=m +CONFIG_PINCTRL_MSM8X74=m +CONFIG_PINCTRL_MSM8916=m +CONFIG_PINCTRL_QCOM_SPMI_PMIC=m +CONFIG_PINCTRL_SAMSUNG=y +CONFIG_PINCTRL_EXYNOS=y +CONFIG_PINCTRL_EXYNOS5440=y +CONFIG_PINCTRL_SH_PFC=y +CONFIG_GPIO_SH_PFC=y +CONFIG_PINCTRL_PFC_R8A7779=y +CONFIG_PINCTRL_SUNXI_COMMON=y +CONFIG_PINCTRL_SUN4I_A10=y +CONFIG_PINCTRL_SUN5I_A10S=y +CONFIG_PINCTRL_SUN5I_A13=y +CONFIG_PINCTRL_SUN6I_A31=y +CONFIG_PINCTRL_SUN6I_A31S=y +CONFIG_PINCTRL_SUN6I_A31_R=y +CONFIG_PINCTRL_SUN7I_A20=y +CONFIG_PINCTRL_SUN8I_A23=y +CONFIG_PINCTRL_SUN8I_A33=y +CONFIG_PINCTRL_SUN8I_A23_R=y +CONFIG_PINCTRL_SUN9I_A80=y +# CONFIG_PINCTRL_WM8850 is not set +CONFIG_PINCTRL_MTK_COMMON=y +CONFIG_PINCTRL_MT8135=y +CONFIG_PINCTRL_MT8127=y +CONFIG_PINCTRL_MT6397=y CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_BRCMSTB=m +# CONFIG_GPIO_DAVINCI is not set # CONFIG_GPIO_DWAPB is not set # CONFIG_GPIO_EM is not set +CONFIG_GPIO_MSM_V2=m CONFIG_GPIO_MXC=y +CONFIG_GPIO_OMAP=y +# CONFIG_GPIO_RCAR is not set +CONFIG_GPIO_VF610=y +# CONFIG_GPIO_XILINX is not set # CONFIG_GPIO_ZEVIO is not set +CONFIG_GPIO_ZYNQ=m # # USB GPIO expanders # # CONFIG_APM_POWER is not set +CONFIG_POWER_RESET_BRCMSTB=y +CONFIG_POWER_RESET_HISI=y +CONFIG_POWER_RESET_IMX=y +# CONFIG_POWER_RESET_MSM is not set +CONFIG_POWER_RESET_ST=y CONFIG_POWER_RESET_VERSATILE=y +CONFIG_POWER_RESET_KEYSTONE=y +# CONFIG_ROCKCHIP_IODOMAIN is not set + +# +# Native drivers +# +# CONFIG_HISI_THERMAL is not set +CONFIG_ROCKCHIP_THERMAL=m +CONFIG_RCAR_THERMAL=y +CONFIG_DB8500_THERMAL=y +CONFIG_TEGRA_SOCTHERM=m +CONFIG_DB8500_CPUFREQ_COOLING=y + +# +# Texas Instruments thermal drivers +# +# CONFIG_TI_SOC_THERMAL is not set + +# +# Samsung thermal drivers +# +CONFIG_EXYNOS_THERMAL=m + +# +# STMicroelectronics thermal drivers +# +CONFIG_ST_THERMAL=m +CONFIG_ST_THERMAL_SYSCFG=m +CONFIG_ST_THERMAL_MEMMAP=m # # Watchdog Device Drivers # -CONFIG_MAX63XX_WATCHDOG=m +CONFIG_S3C2410_WATCHDOG=m +CONFIG_OMAP_WATCHDOG=m +CONFIG_DAVINCI_WATCHDOG=m +CONFIG_SUNXI_WATCHDOG=m CONFIG_IMX2_WDT=m +CONFIG_UX500_WATCHDOG=y +CONFIG_SIRFSOC_WATCHDOG=y +CONFIG_ST_LPC_WATCHDOG=m +CONFIG_TEGRA_WATCHDOG=m +CONFIG_QCOM_WDT=m +CONFIG_MESON_WATCHDOG=m +CONFIG_MEDIATEK_WATCHDOG=m +CONFIG_BCM47XX_WDT=m # # Multifunction device drivers # +CONFIG_MFD_ATMEL_HLCDC=m # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set CONFIG_MFD_PM8XXX=m CONFIG_MFD_PM8921_CORE=m +CONFIG_MFD_QCOM_RPM=m +CONFIG_MFD_SPMI_PMIC=m +CONFIG_ABX500_CORE=y +# CONFIG_AB3100_CORE is not set +CONFIG_AB8500_CORE=y +CONFIG_MFD_DB8500_PRCMU=y # # STMicroelectronics STMPE Interface Drivers # +CONFIG_MFD_SUN6I_PRCM=y +CONFIG_MFD_OMAP_USB_HOST=y CONFIG_TWL4030_POWER=y # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set +CONFIG_REGULATOR_88PM8607=y +# CONFIG_REGULATOR_AB8500 is not set +CONFIG_REGULATOR_DBX500_PRCMU=y +CONFIG_REGULATOR_DB8500_PRCMU=y +CONFIG_REGULATOR_GPIO=y +CONFIG_REGULATOR_LP872X=y +CONFIG_REGULATOR_LP8788=y +CONFIG_REGULATOR_PBIAS=m +CONFIG_REGULATOR_QCOM_RPM=m +CONFIG_REGULATOR_TI_ABB=m +CONFIG_REGULATOR_TWL4030=y + +# +# Media drivers +# +# CONFIG_IR_MESON is not set +# CONFIG_RC_ST is not set +CONFIG_IR_SUNXI=m # # Media digital TV PCI Adapters # +# CONFIG_VIDEO_OMAP2_VOUT is not set +# CONFIG_VIDEO_SH_VOU is not set +CONFIG_VIDEO_OMAP3=m +# CONFIG_VIDEO_OMAP3_DEBUG is not set CONFIG_VIDEO_MX3=m +# CONFIG_VIDEO_RCAR_VIN is not set +# CONFIG_VIDEO_SH_MOBILE_CSI2 is not set +# CONFIG_VIDEO_SH_MOBILE_CEU is not set +# CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS is not set +# CONFIG_VIDEO_SAMSUNG_S5P_TV is not set +# CONFIG_VIDEO_AM437X_VPFE is not set # CONFIG_VIDEO_CODA is not set +CONFIG_VIDEO_SAMSUNG_S5P_G2D=m +CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m +CONFIG_VIDEO_SAMSUNG_S5P_MFC=m +CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m +CONFIG_VIDEO_STI_BDISP=m +CONFIG_VIDEO_RENESAS_VSP1=m +# CONFIG_VIDEO_TI_VPE is not set # # Graphics support # +CONFIG_TEGRA_HOST1X=y +CONFIG_TEGRA_HOST1X_FIREWALL=y CONFIG_IMX_IPUV3_CORE=m # # Direct Rendering Manager # -CONFIG_DRM_MIPI_DSI=y CONFIG_DRM_GEM_CMA_HELPER=y CONFIG_DRM_KMS_CMA_HELPER=y @@ -344,31 +935,71 @@ CONFIG_DRM_KMS_CMA_HELPER=y # I2C encoder or helper chips # CONFIG_DRM_DW_HDMI=m +CONFIG_NOUVEAU_PLATFORM_DRIVER=y CONFIG_DRM_EXYNOS=m +# CONFIG_DRM_EXYNOS_FIMD is not set +CONFIG_DRM_EXYNOS5433_DECON=y # CONFIG_DRM_EXYNOS7_DECON is not set +CONFIG_DRM_EXYNOS_DSI=y CONFIG_DRM_EXYNOS_HDMI=y CONFIG_DRM_EXYNOS_VIDI=y CONFIG_DRM_EXYNOS_G2D=y CONFIG_DRM_EXYNOS_IPP=y +# CONFIG_DRM_EXYNOS_FIMC is not set +# CONFIG_DRM_EXYNOS_ROTATOR is not set +CONFIG_DRM_EXYNOS_MIC=y +CONFIG_DRM_ROCKCHIP=m +CONFIG_ROCKCHIP_DW_HDMI=m CONFIG_DRM_ARMADA=m +CONFIG_DRM_ATMEL_HLCDC=m +CONFIG_DRM_RCAR_DU=m +# CONFIG_DRM_RCAR_HDMI is not set +CONFIG_DRM_SHMOBILE=m # CONFIG_DRM_TILCDC is not set +CONFIG_DRM_MSM=m +# CONFIG_DRM_MSM_FBDEV is not set +# CONFIG_DRM_MSM_REGISTER_LOGGING is not set +CONFIG_DRM_MSM_DSI=y +CONFIG_DRM_MSM_DSI_PLL=y +CONFIG_DRM_TEGRA=m +CONFIG_DRM_TEGRA_FBDEV=y +# CONFIG_DRM_TEGRA_DEBUG is not set +# CONFIG_DRM_TEGRA_STAGING is not set # # Display Panels # -# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set # CONFIG_DRM_STI is not set +# CONFIG_DRM_IMX is not set # # Frame buffer hardware drivers # +# CONFIG_FB_IMX is not set +# CONFIG_FB_VT8500 is not set +# CONFIG_FB_WM8505 is not set +# CONFIG_FB_SH_MOBILE_LCDC is not set +# CONFIG_FB_S3C is not set +# CONFIG_FB_XILINX is not set +# CONFIG_FB_DA8XX is not set +# CONFIG_FB_MX3 is not set # CONFIG_FB_MXS is not set -CONFIG_VIDEOMODE_HELPERS=y +# CONFIG_OMAP2_DSS is not set +CONFIG_EXYNOS_VIDEO=y +# CONFIG_EXYNOS_MIPI_DSI is not set +# CONFIG_FB_SH_MOBILE_MERAM is not set # # HD-Audio # +CONFIG_SND_HDA_TEGRA=m CONFIG_SND_ARM=y +CONFIG_SND_ARMAACI=m +# CONFIG_SND_SOC_ADI is not set +CONFIG_SND_EDMA_SOC=m +CONFIG_SND_DAVINCI_SOC_MCASP=m +CONFIG_SND_DAVINCI_SOC_GENERIC_EVM=m +CONFIG_SND_AM33XX_SOC_EVM=m # # Common SoC Audio options for Freescale CPUs: @@ -387,61 +1018,193 @@ CONFIG_SND_SOC_IMX_ES8328=m CONFIG_SND_SOC_IMX_SGTL5000=m CONFIG_SND_SOC_IMX_SPDIF=m CONFIG_SND_SOC_FSL_ASOC_CARD=m +CONFIG_SND_SOC_MEDIATEK=m +CONFIG_SND_SOC_MT8173_MAX98090=m +CONFIG_SND_SOC_MT8173_RT5650_RT5676=m +CONFIG_SND_SOC_LPASS_CPU=m +CONFIG_SND_SOC_LPASS_PLATFORM=m +CONFIG_SND_SOC_LPASS_IPQ806X=m +CONFIG_SND_SOC_LPASS_APQ8016=m +CONFIG_SND_SOC_STORM=m +CONFIG_SND_SOC_APQ8016_SBC=m +CONFIG_SND_SOC_ROCKCHIP=m +CONFIG_SND_SOC_ROCKCHIP_I2S=m +CONFIG_SND_SOC_SAMSUNG=m +CONFIG_SND_SAMSUNG_PCM=m +CONFIG_SND_SAMSUNG_SPDIF=m +CONFIG_SND_SAMSUNG_I2S=m +CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994=m +CONFIG_SND_SOC_SAMSUNG_SMDK_SPDIF=m +CONFIG_SND_SOC_SMDK_WM8994_PCM=m +CONFIG_SND_SOC_SNOW=m +CONFIG_SND_SOC_ODROIDX2=m +CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631=m # # SoC Audio support for SuperH # +CONFIG_SND_SOC_SH4_FSI=m +CONFIG_SND_SOC_RCAR=m +CONFIG_SND_SOC_RSRC_CARD=m +CONFIG_SND_SOC_SIRF=m +CONFIG_SND_SOC_SIRF_AUDIO=m +CONFIG_SND_SOC_SIRF_AUDIO_PORT=m +CONFIG_SND_SOC_SIRF_USP=m +CONFIG_SND_SOC_UX500=m +CONFIG_SND_SOC_UX500_PLAT_DMA=m CONFIG_SND_SOC_XTFPGA_I2S=m # # CODEC drivers # +CONFIG_SND_SOC_WM_HUBS=m CONFIG_SND_SOC_ES8328_I2C=m +CONFIG_SND_SOC_MAX98090=m +CONFIG_SND_SOC_MAX98095=m +CONFIG_SND_SOC_MAX98357A=m +CONFIG_SND_SOC_RL6231=m +CONFIG_SND_SOC_RT5645=m +CONFIG_SND_SOC_RT5677=m +CONFIG_SND_SOC_WM8994=m + +# +# USB Host Controller Drivers +# +CONFIG_USB_XHCI_RCAR=m +CONFIG_USB_EHCI_MXC=y +CONFIG_USB_EHCI_HCD_OMAP=y +CONFIG_USB_EHCI_HCD_STI=m +CONFIG_USB_EHCI_MSM=y +CONFIG_USB_EHCI_TEGRA=y +CONFIG_USB_EHCI_EXYNOS=y +CONFIG_USB_OHCI_HCD_STI=m +CONFIG_USB_OHCI_HCD_OMAP3=y +CONFIG_USB_OHCI_EXYNOS=y +CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC=y +CONFIG_USB_UHCI_PLATFORM=y +CONFIG_USB_IMX21_HCD=y + +# +# Platform Glue Layer +# +CONFIG_USB_MUSB_OMAP2PLUS=m +CONFIG_USB_MUSB_AM35X=m +CONFIG_USB_MUSB_DSPS=m +CONFIG_USB_MUSB_UX500=m +CONFIG_USB_MUSB_AM335X_CHILD=m +CONFIG_USB_UX500_DMA=y +# CONFIG_USB_INVENTRA_DMA is not set +# CONFIG_USB_TI_CPPI41_DMA is not set +# CONFIG_MUSB_PIO_ONLY is not set + +# +# Platform Glue Driver Support +# +CONFIG_USB_DWC3_EXYNOS=m +CONFIG_USB_DWC3_KEYSTONE=m +CONFIG_USB_DWC3_ST=m +CONFIG_USB_DWC3_QCOM=m # # USB Physical Layer drivers # +# CONFIG_AB8500_USB is not set +CONFIG_KEYSTONE_USB_PHY=m CONFIG_AM335X_CONTROL_USB=m CONFIG_AM335X_PHY_USB=m CONFIG_USB_MXS_PHY=m +CONFIG_USB_RCAR_PHY=m # # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI_IO_ACCESSORS=y -CONFIG_MMC_SDHCI_OF_ARASAN=m CONFIG_MMC_SDHCI_ESDHC_IMX=m +CONFIG_MMC_SDHCI_TEGRA=m +CONFIG_MMC_SDHCI_S3C=m +CONFIG_MMC_SDHCI_SIRF=m CONFIG_MMC_SDHCI_PXAV3=m +CONFIG_MMC_SDHCI_S3C_DMA=y +CONFIG_MMC_SDHCI_IPROC=m +CONFIG_MMC_SDHCI_ST=m +CONFIG_MMC_OMAP=m +CONFIG_MMC_OMAP_HS=m +CONFIG_MMC_SDHCI_MSM=m CONFIG_MMC_MXC=m +CONFIG_MMC_TMIO_CORE=m +CONFIG_MMC_SDHI=m +CONFIG_MMC_DW_ROCKCHIP=m +CONFIG_MMC_SH_MMCIF=m +CONFIG_MMC_WMT=y +CONFIG_MMC_SUNXI=m + +# +# LED drivers +# +CONFIG_LEDS_AAT1290=m # # iptables trigger is under Netfilter config (LED target) # +CONFIG_EDAC_ATOMIC_SCRUB=y # CONFIG_EDAC is not set # # Platform RTC drivers # CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_AB8500 is not set # # on-CPU RTC drivers # CONFIG_RTC_DRV_IMXDI=m +CONFIG_RTC_DRV_OMAP=m +CONFIG_RTC_DRV_S3C=m +# CONFIG_RTC_DRV_VT8500 is not set +CONFIG_RTC_DRV_SUN6I=m +CONFIG_RTC_DRV_SUNXI=m CONFIG_RTC_DRV_PM8XXX=m +CONFIG_RTC_DRV_TEGRA=m CONFIG_RTC_DRV_MXC=m +CONFIG_RTC_DRV_SIRFSOC=m +CONFIG_RTC_DRV_ST_LPC=m # # DMA Devices # CONFIG_MX3_IPU=y CONFIG_MX3_IPU_IRQS=4 +# CONFIG_TEGRA20_APB_DMA is not set +CONFIG_RENESAS_DMA=y +CONFIG_SH_DMAE_BASE=y +# CONFIG_SH_DMAE is not set +# CONFIG_SUDMAC is not set +# CONFIG_RCAR_HPB_DMAE is not set +CONFIG_RCAR_DMAC=m +CONFIG_RENESAS_USB_DMAC=m +# CONFIG_STE_DMA40 is not set +# CONFIG_SIRF_DMA is not set +# CONFIG_TI_EDMA is not set +# CONFIG_IMX_SDMA is not set +# CONFIG_IMX_DMA is not set +# CONFIG_MXS_DMA is not set +# CONFIG_DMA_OMAP is not set +# CONFIG_TI_CPPI41 is not set +# CONFIG_K3_DMA is not set +CONFIG_XILINX_VDMA=m +CONFIG_DMA_SUN6I=m CONFIG_NBPFAXI_DMA=m # # DMA Clients # -# CONFIG_VFIO is not set +# CONFIG_QCOM_BAM_DMA is not set + +# +# Speakup console speech +# +# CONFIG_MFD_NVEC is not set # # Android @@ -451,99 +1214,237 @@ CONFIG_CHROME_PLATFORMS=y # # Common Clock Framework # +# CONFIG_COMMON_CLK_AXI_CLKGEN is not set CONFIG_CLK_QORIQ=y +CONFIG_COMMON_CLK_KEYSTONE=y +CONFIG_COMMON_CLK_IPROC=y +CONFIG_COMMON_CLK_HI6220=y +CONFIG_COMMON_CLK_QCOM=m +CONFIG_APQ_GCC_8084=m +CONFIG_APQ_MMCC_8084=m +CONFIG_IPQ_GCC_806X=m +CONFIG_IPQ_LCC_806X=m +CONFIG_MSM_GCC_8660=m +CONFIG_MSM_GCC_8916=m +CONFIG_MSM_GCC_8960=m +CONFIG_MSM_LCC_8960=m +CONFIG_MSM_MMCC_8960=m +CONFIG_MSM_GCC_8974=m +CONFIG_MSM_MMCC_8974=m +CONFIG_COMMON_CLK_SAMSUNG=y +CONFIG_TEGRA_CLK_EMC=y +CONFIG_HWSPINLOCK=m + +# +# Hardware Spinlock drivers +# +# CONFIG_HWSPINLOCK_OMAP is not set +CONFIG_HWSPINLOCK_QCOM=m +CONFIG_HWSPINLOCK_SIRF=m +# CONFIG_HSEM_U8500 is not set # # Clock Source drivers # -CONFIG_IOMMU_API=y +CONFIG_DW_APB_TIMER=y +CONFIG_DW_APB_TIMER_OF=y +CONFIG_ROCKCHIP_TIMER=y +CONFIG_MESON6_TIMER=y +CONFIG_SUN4I_TIMER=y +CONFIG_SUN5I_HSTIMER=y +CONFIG_TEGRA_TIMER=y +CONFIG_VT8500_TIMER=y +CONFIG_CADENCE_TTC_TIMER=y +CONFIG_CLKSRC_NOMADIK_MTU=y +CONFIG_CLKSRC_DBX500_PRCMU=y +CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK=y +CONFIG_ARM_GLOBAL_TIMER=y +CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y +CONFIG_CLKSRC_EXYNOS_MCT=y +CONFIG_CLKSRC_SAMSUNG_PWM=y +CONFIG_MTK_TIMER=y +CONFIG_SYS_SUPPORTS_SH_TMU=y +CONFIG_SH_TIMER_TMU=y +CONFIG_CLKSRC_VERSATILE=y +CONFIG_CLKSRC_IMX_GPT=y +CONFIG_PL320_MBOX=y +CONFIG_OMAP2PLUS_MBOX=m +CONFIG_OMAP_MBOX_KFIFO_SIZE=256 # # Generic IOMMU Pagetable Support # -CONFIG_IOMMU_IO_PGTABLE=y -CONFIG_IOMMU_IO_PGTABLE_LPAE=y -# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set -CONFIG_OF_IOMMU=y +CONFIG_OMAP_IOMMU=y +# CONFIG_OMAP_IOMMU_DEBUG is not set +CONFIG_ROCKCHIP_IOMMU=y +# CONFIG_TEGRA_IOMMU_GART is not set +# CONFIG_TEGRA_IOMMU_SMMU is not set +# CONFIG_EXYNOS_IOMMU is not set +# CONFIG_SHMOBILE_IOMMU is not set CONFIG_ARM_SMMU=y # -# Memory Debugging -# -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_HIGHMEM is not set - +# Remoteproc drivers +# +CONFIG_REMOTEPROC=m +CONFIG_OMAP_REMOTEPROC=m +CONFIG_WKUP_M3_RPROC=m + +# +# Rpmsg drivers +# +CONFIG_RPMSG=m + # -# RCU Debugging +# SOC (System On Chip) specific Drivers # -# CONFIG_UPROBE_EVENT is not set +# CONFIG_MTK_PMIC_WRAP is not set +CONFIG_QCOM_GSBI=m +CONFIG_QCOM_PM=y +CONFIG_SUNXI_SRAM=y +# CONFIG_KEYSTONE_NAVIGATOR_QMSS is not set +CONFIG_KEYSTONE_NAVIGATOR_DMA=m # -# Runtime Testing +# DEVFREQ Drivers # -# CONFIG_ARM_PTDUMP is not set -CONFIG_ARM_UNWIND=y -# CONFIG_DEBUG_USER is not set -# CONFIG_DEBUG_LL is not set -CONFIG_DEBUG_IMX_UART_PORT=1 -# CONFIG_DEBUG_UART_8250 is not set -CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" +CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=m +CONFIG_ARM_TEGRA_DEVFREQ=m +CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU=y +# CONFIG_TI_AEMIF is not set +# CONFIG_TI_EMIF is not set +CONFIG_OMAP_GPMC=y +CONFIG_TEGRA20_MC=y +CONFIG_TEGRA_MC=y +CONFIG_TEGRA124_EMC=y # -# PaX +# Analog to digital converters # -CONFIG_PAX=y +# CONFIG_BERLIN2_ADC is not set +# CONFIG_EXYNOS_ADC is not set +CONFIG_ROCKCHIP_SARADC=m +# CONFIG_XILINX_XADC is not set # -# PaX Control +# Temperature sensors # -# CONFIG_PAX_SOFTMODE is not set -CONFIG_PAX_EI_PAX=y -CONFIG_PAX_PT_PAX_FLAGS=y -# CONFIG_PAX_XATTR_PAX_FLAGS is not set -# CONFIG_PAX_NO_ACL_FLAGS is not set -CONFIG_PAX_HAVE_ACL_FLAGS=y -# CONFIG_PAX_HOOK_ACL_FLAGS is not set +# CONFIG_PWM_AB8500 is not set +CONFIG_PWM_ATMEL_HLCDC_PWM=m +# CONFIG_PWM_IMX is not set +# CONFIG_PWM_RENESAS_TPU is not set +CONFIG_PWM_ROCKCHIP=m +# CONFIG_PWM_SAMSUNG is not set +CONFIG_PWM_STI=m +CONFIG_PWM_SUN4I=m +# CONFIG_PWM_TEGRA is not set +# CONFIG_PWM_TIECAP is not set +# CONFIG_PWM_TIEHRPWM is not set +# CONFIG_PWM_VT8500 is not set +CONFIG_GIC_NON_BANKED=y +CONFIG_BCM7120_L2_IRQ=y +CONFIG_BRCMSTB_L2_IRQ=y +CONFIG_DW_APB_ICTL=y +CONFIG_OMAP_IRQCHIP=y +CONFIG_RENESAS_INTC_IRQPIN=y +CONFIG_ST_IRQCHIP=y +CONFIG_IRQ_CROSSBAR=y +# CONFIG_KEYSTONE_IRQ is not set +CONFIG_ARCH_HAS_RESET_CONTROLLER=y +CONFIG_STI_RESET_SYSCFG=y +CONFIG_STIH415_RESET=y +CONFIG_STIH416_RESET=y +CONFIG_STIH407_RESET=y # -# Non-executable pages +# PHY Subsystem # -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="" +CONFIG_PHY_BERLIN_USB=m +CONFIG_PHY_BERLIN_SATA=m +CONFIG_PHY_DM816X_USB=m +CONFIG_PHY_EXYNOS_MIPI_VIDEO=y +CONFIG_PHY_MIPHY28LP=m +CONFIG_PHY_MIPHY365X=m +CONFIG_PHY_RCAR_GEN2=m +CONFIG_OMAP_CONTROL_PHY=m +CONFIG_TWL4030_USB=m +CONFIG_PHY_EXYNOS_DP_VIDEO=y +CONFIG_PHY_EXYNOS5250_SATA=m +CONFIG_PHY_HIX5HD2_SATA=m +CONFIG_PHY_SUN4I_USB=m +CONFIG_PHY_SUN9I_USB=m +CONFIG_PHY_EXYNOS4210_USB2=y +CONFIG_PHY_EXYNOS4X12_USB2=y +CONFIG_PHY_EXYNOS5250_USB2=y +CONFIG_PHY_EXYNOS5_USBDRD=m +CONFIG_PHY_QCOM_APQ8064_SATA=m +CONFIG_PHY_QCOM_IPQ806X_SATA=m +CONFIG_PHY_ROCKCHIP_USB=m +CONFIG_PHY_STIH407_USB=m +CONFIG_PHY_STIH41X_USB=m +CONFIG_PHY_QCOM_UFS=m +CONFIG_PHY_BRCMSTB_SATA=m + +# +# Firmware Drivers +# +CONFIG_QCOM_SCM=y +CONFIG_BCM47XX_NVRAM=y + +# +# Pseudo filesystems +# +CONFIG_PROC_VMCORE=y # -# Address Space Layout Randomization -# -CONFIG_PAX_ASLR=y -CONFIG_PAX_RANDUSTACK=y -CONFIG_PAX_RANDMMAP=y - -# -# Miscellaneous hardening features +# Memory Debugging # -CONFIG_PAX_USERCOPY=y +# CONFIG_DEBUG_HIGHMEM is not set # -# Memory Protections +# RCU Debugging # -CONFIG_GRKERNSEC_RAND_THREADSTACK=y -CONFIG_GRKERNSEC_PROC_MEMMAP=y -CONFIG_GRKERNSEC_KERN_LOCKOUT=y +# CONFIG_UPROBE_EVENT is not set # -# Executable Protections +# Runtime Testing # -# CONFIG_GRKERNSEC_SETXID is not set +# CONFIG_ARM_PTDUMP is not set +CONFIG_ARM_UNWIND=y +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_LL is not set +CONFIG_DEBUG_IMX_UART_PORT=1 +CONFIG_DEBUG_VF_UART_PORT=1 +CONFIG_DEBUG_LL_INCLUDE="debug/bcm63xx.S" +# CONFIG_DEBUG_UART_8250 is not set +CONFIG_DEBUG_UART_BCM63XX=y +CONFIG_DEBUG_UART_PHYS=0xfffe8600 +CONFIG_DEBUG_UART_VIRT=0xfcfe8600 +CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" # # Random Number Generation # CONFIG_CRYPTO_DEV_HIFN_795X=m CONFIG_CRYPTO_DEV_HIFN_795X_RNG=y +CONFIG_CRYPTO_DEV_OMAP_SHAM=m +CONFIG_CRYPTO_DEV_OMAP_AES=m +CONFIG_CRYPTO_DEV_OMAP_DES=m CONFIG_CRYPTO_DEV_SAHARA=m +CONFIG_CRYPTO_DEV_S5P=m +# CONFIG_CRYPTO_DEV_UX500 is not set +CONFIG_CRYPTO_DEV_QCE=m CONFIG_ARM_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM=m +CONFIG_CRYPTO_SHA1_ARM_NEON=m +CONFIG_CRYPTO_SHA1_ARM_CE=m +CONFIG_CRYPTO_SHA2_ARM_CE=m CONFIG_CRYPTO_SHA256_ARM=m +CONFIG_CRYPTO_SHA512_ARM=m CONFIG_CRYPTO_AES_ARM=m +CONFIG_CRYPTO_AES_ARM_BS=m +CONFIG_CRYPTO_AES_ARM_CE=m +CONFIG_CRYPTO_GHASH_ARM_CE=m # # Library routines diff --git a/kernel/config-arm64-generic b/kernel/config-arm64-generic index 3eca78b..5d84e7c 100644 --- a/kernel/config-arm64-generic +++ b/kernel/config-arm64-generic @@ -1,52 +1,20 @@ CONFIG_ARM64=y CONFIG_64BIT=y CONFIG_ARCH_PHYS_ADDR_T_64BIT=y +CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 CONFIG_GENERIC_CSUM=y CONFIG_ARCH_DMA_ADDR_T_64BIT=y -CONFIG_KERNEL_MODE_NEON=y CONFIG_FIX_EARLYCON_MEM=y # -# IRQ subsystem -# -CONFIG_IRQ_DOMAIN_HIERARCHY=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_ARCH_HAS_TICK_BROADCAST=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y - -# -# Timers subsystem -# -# CONFIG_NO_HZ_IDLE is not set -CONFIG_NO_HZ_FULL=y -# CONFIG_NO_HZ_FULL_ALL is not set -# CONFIG_NO_HZ_FULL_SYSIDLE is not set - -# # RCU Subsystem # -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_USER_QS=y # CONFIG_CONTEXT_TRACKING_FORCE is not set -CONFIG_RCU_FANOUT=64 -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_RCU_FAST_NO_HZ is not set -CONFIG_RCU_NOCB_CPU=y -CONFIG_RCU_NOCB_CPU_NONE=y -# CONFIG_RCU_NOCB_CPU_ZERO is not set -# CONFIG_RCU_NOCB_CPU_ALL is not set -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_SYSCTL_EXCEPTION_TRACE=y # # Kernel Performance Events And Counters # -# CONFIG_SLUB_DEBUG is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -CONFIG_SLUB_CPU_PARTIAL=y CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y CONFIG_MODULES_USE_ELF_RELA=y CONFIG_COMPAT_OLD_SIGACTION=y @@ -60,31 +28,25 @@ CONFIG_BLOCK_COMPAT=y # IO Schedulers # CONFIG_PREEMPT_NOTIFIERS=y -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y # # Platform selection # # CONFIG_ARCH_EXYNOS7 is not set # CONFIG_ARCH_FSL_LS2085A is not set +# CONFIG_ARCH_HISI is not set # CONFIG_ARCH_MEDIATEK is not set # CONFIG_ARCH_QCOM is not set CONFIG_ARCH_SEATTLE=y # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_SPRD is not set # CONFIG_ARCH_THUNDER is not set -CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_XGENE=y # CONFIG_ARCH_ZYNQMP is not set # # Bus support # -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_DOMAINS_GENERIC=y CONFIG_PCI_BUS_ADDR_T_64BIT=y CONFIG_PCI_LABEL=y @@ -108,18 +70,14 @@ CONFIG_ARM64_ERRATUM_824069=y CONFIG_ARM64_ERRATUM_819472=y CONFIG_ARM64_ERRATUM_832075=y CONFIG_ARM64_ERRATUM_845719=y +CONFIG_ARM64_ERRATUM_843419=y # CONFIG_ARM64_4K_PAGES is not set CONFIG_ARM64_64K_PAGES=y CONFIG_ARM64_VA_BITS_42=y # CONFIG_ARM64_VA_BITS_48 is not set CONFIG_ARM64_VA_BITS=42 -CONFIG_SMP=y -CONFIG_SCHED_MC=y -CONFIG_SCHED_SMT=y CONFIG_NR_CPUS=64 -CONFIG_HOTPLUG_CPU=y CONFIG_HZ=100 -CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -131,12 +89,9 @@ CONFIG_SPARSEMEM=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SPARSEMEM_VMEMMAP=y -CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_MMU_NOTIFIER=y # CONFIG_TRANSPARENT_HUGEPAGE is not set CONFIG_GENERIC_EARLY_IOREMAP=y -# CONFIG_XEN is not set CONFIG_FORCE_MAX_ZONEORDER=11 CONFIG_ARMV8_DEPRECATED=y CONFIG_SWP_EMULATION=y @@ -159,11 +114,6 @@ CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y # -# Power management options -# -CONFIG_PM_SLEEP_SMP=y - -# # ARM CPU Idle Drivers # # CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set @@ -171,31 +121,17 @@ CONFIG_PM_SLEEP_SMP=y # # CPU frequency scaling drivers # -# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set +CONFIG_ARM_DT_BL_CPUFREQ=m CONFIG_COMPAT_NETLINK_MESSAGES=y # -# Classification -# -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y - -# -# Device Drivers -# -CONFIG_ARM_AMBA=y -CONFIG_TEGRA_AHB=y - -# # Generic Driver Options # # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set CONFIG_GENERIC_CPU_AUTOPROBE=y # -# Device Tree and Open Firmware support +# Bus devices # CONFIG_PNP=y # CONFIG_PNP_DEBUG_MESSAGES is not set @@ -207,7 +143,7 @@ CONFIG_PNPACPI=y CONFIG_BLK_DEV_SKD=m # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_GENWQE is not set @@ -235,14 +171,13 @@ CONFIG_VORTEX=m CONFIG_AMD_XGBE=m CONFIG_NET_XGENE=m CONFIG_MACB=m +CONFIG_THUNDER_NIC_PF=m +CONFIG_THUNDER_NIC_VF=m +CONFIG_THUNDER_NIC_BGX=m +CONFIG_LIQUIDIO=m CONFIG_NET_SB1000=m # -# MII PHY device drivers -# -CONFIG_AMD_XGBE_PHY=m - -# # Input device support # CONFIG_INPUT_MATRIXKMAP=m @@ -253,11 +188,6 @@ CONFIG_INPUT_MATRIXKMAP=m # CONFIG_KEYBOARD_SAMSUNG is not set # -# Hardware I/O ports -# -# CONFIG_SERIO_AMBAKMI is not set - -# # Serial drivers # CONFIG_SERIAL_8250_PNP=y @@ -266,8 +196,6 @@ CONFIG_SERIAL_8250_FINTEK=m # # Non-8250 serial port support # -CONFIG_SERIAL_AMBA_PL010=m -CONFIG_SERIAL_AMBA_PL011=m CONFIG_HW_RANDOM_XGENE=m # @@ -289,11 +217,11 @@ CONFIG_I2C_SCMI=m # I2C system bus drivers (mostly embedded / system-on-chip) # CONFIG_I2C_NOMADIK=m -CONFIG_I2C_VERSATILE=m # # Other I2C/SMBus bus drivers # +CONFIG_I2C_XGENE_SLIMPRO=m # CONFIG_I2C_SLAVE is not set # @@ -315,7 +243,6 @@ CONFIG_GPIO_ACPI=y # Memory mapped GPIO drivers # CONFIG_GPIO_DWAPB=m -CONFIG_GPIO_PL061=y CONFIG_GPIO_XGENE=y CONFIG_GPIO_XGENE_SB=m @@ -330,11 +257,6 @@ CONFIG_POWER_RESET_XGENE=y CONFIG_SENSORS_ACPI_POWER=m # -# Watchdog Device Drivers -# -CONFIG_ARM_SP805_WATCHDOG=m - -# # Multifunction device drivers # # CONFIG_MFD_ATMEL_HLCDC is not set @@ -343,7 +265,6 @@ CONFIG_ARM_SP805_WATCHDOG=m # # STMicroelectronics STMPE Interface Drivers # -# CONFIG_MFD_VX855 is not set # CONFIG_REGULATOR_88PM8607 is not set # CONFIG_REGULATOR_GPIO is not set # CONFIG_REGULATOR_LP872X is not set @@ -359,42 +280,11 @@ CONFIG_ARM_SP805_WATCHDOG=m # CONFIG_IR_NUVOTON is not set # -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_CAFE_CCIC is not set - -# -# I2C encoder or helper chips -# -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set -# CONFIG_DRM_I2C_NXP_TDA998X is not set - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_MODE_HELPERS is not set - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_ARMCLCD is not set -# CONFIG_LCD_PLATFORM is not set - -# # Console display driver support # CONFIG_DUMMY_CONSOLE_COLUMNS=80 CONFIG_DUMMY_CONSOLE_ROWS=25 -# CONFIG_SND_ES1968_INPUT is not set # CONFIG_SND_LX6464ES is not set -# CONFIG_SND_MAESTRO3_INPUT is not set # # Common SoC Audio options for Freescale CPUs: @@ -409,10 +299,7 @@ CONFIG_MUSB_PIO_ONLY=y # # MMC/SD/SDIO Host Controller Drivers # -CONFIG_MMC_ARMMMCI=m -# CONFIG_MMC_RICOH_MMC is not set CONFIG_MMC_SDHCI_ACPI=m -# CONFIG_MMC_SDHCI_OF_ARASAN is not set # # LED drivers @@ -420,6 +307,15 @@ CONFIG_MMC_SDHCI_ACPI=m CONFIG_LEDS_INTEL_SS4200=m # +# iptables trigger is under Netfilter config (LED target) +# +CONFIG_EDAC=y +CONFIG_EDAC_LEGACY_SYSFS=y +# CONFIG_EDAC_DEBUG is not set +CONFIG_EDAC_MM_EDAC=m +CONFIG_EDAC_XGENE=m + +# # Platform RTC drivers # CONFIG_RTC_DRV_EFI=m @@ -427,16 +323,12 @@ CONFIG_RTC_DRV_EFI=m # # on-CPU RTC drivers # -CONFIG_RTC_DRV_PL030=m -CONFIG_RTC_DRV_PL031=m +CONFIG_RTC_DRV_XGENE=m # # DMA Devices # CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y -# CONFIG_AMBA_PL08X is not set -# CONFIG_DW_DMAC_PCI is not set -# CONFIG_PL330_DMA is not set CONFIG_XGENE_DMA=m CONFIG_DMA_ACPI=y @@ -444,58 +336,44 @@ CONFIG_DMA_ACPI=y # DMA Clients # CONFIG_DMA_ENGINE_RAID=y -# CONFIG_UIO_AEC is not set -# CONFIG_UIO_SERCOS3 is not set -# CONFIG_UIO_PCI_GENERIC is not set -# CONFIG_UIO_MF624 is not set # # Android # -CONFIG_I2O_EXT_ADAPTEC_DMA64=y # CONFIG_FSL_MC_BUS is not set +# CONFIG_CHROME_PLATFORMS is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_WM831X=y -CONFIG_COMMON_CLK_VERSATILE=y -CONFIG_CLK_SP810=y -CONFIG_CLK_VEXPRESS_OSC=y -CONFIG_COMMON_CLK_MAX77686=y CONFIG_COMMON_CLK_XGENE=y # # Clock Source drivers # -CONFIG_ARM_ARCH_TIMER=y -CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y # CONFIG_SH_TIMER_TMU is not set -CONFIG_ARM_MHU=m # CONFIG_PL320_MBOX is not set # CONFIG_PCC is not set # # Generic IOMMU Pagetable Support # -# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set # CONFIG_ARM_SMMU is not set +CONFIG_ARM_SMMU_V3=y # -# Analog to digital converters +# SOC (System On Chip) specific Drivers # -# CONFIG_LP8788_ADC is not set -# CONFIG_TWL6030_GPADC is not set +# CONFIG_SUNXI_SRAM is not set + +# +# Light sensors +# +# CONFIG_ACPI_ALS is not set # # Temperature sensors # -# CONFIG_PWM_FSL_FTM is not set -# CONFIG_PWM_LP3943 is not set -# CONFIG_PWM_PCA9685 is not set -# CONFIG_PWM_TWL is not set -# CONFIG_PWM_TWL_LED is not set -CONFIG_ARM_GIC=y CONFIG_ARM_GIC_V3=y # @@ -507,6 +385,15 @@ CONFIG_ARM_GIC_V3=y CONFIG_PHY_XGENE=m # +# Android +# +CONFIG_LIBNVDIMM=y +CONFIG_BLK_DEV_PMEM=m +CONFIG_ND_BLK=m +CONFIG_ND_BTT=m +CONFIG_BTT=y + +# # Firmware Drivers # CONFIG_DMIID=y @@ -516,6 +403,7 @@ CONFIG_DMI_SYSFS=y # EFI (Extensible Firmware Interface) Support # CONFIG_EFI_VARS=y +CONFIG_EFI_ESRT=y CONFIG_EFI_VARS_PSTORE=y # CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set CONFIG_EFI_PARAMS_FROM_FDT=y @@ -523,7 +411,7 @@ CONFIG_EFI_RUNTIME_WRAPPERS=y CONFIG_EFI_ARMSTUB=y CONFIG_ACPI=y CONFIG_ACPI_GENERIC_GSI=y -# CONFIG_ACPI_PROCFS_POWER is not set +CONFIG_ACPI_CCA_REQUIRED=y # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m @@ -536,20 +424,22 @@ CONFIG_ACPI_CONTAINER=y CONFIG_ACPI_HED=m CONFIG_ACPI_CUSTOM_METHOD=m CONFIG_ACPI_REDUCED_HARDWARE_ONLY=y +CONFIG_ACPI_NFIT=m # CONFIG_PMIC_OPREGION is not set # # File systems # -CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_FS_DAX is not set # # Pseudo filesystems # +# CONFIG_PROC_KCORE is not set # CONFIG_HUGETLBFS is not set CONFIG_EFIVAR_FS=y CONFIG_KVM_MMIO=y +CONFIG_KVM_VFIO=y CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y CONFIG_KVM_COMPAT=y CONFIG_KVM=y @@ -563,45 +453,17 @@ CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y # -# Memory Debugging -# -# CONFIG_SLUB_STATS is not set -# CONFIG_DEBUG_PER_CPU_MAPS is not set - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# # RCU Debugging # -CONFIG_RCU_CPU_STALL_TIMEOUT=21 -# CONFIG_RCU_CPU_STALL_INFO is not set CONFIG_FUNCTION_GRAPH_TRACER=y # # Runtime Testing # # CONFIG_ARM64_PTDUMP is not set -# CONFIG_PID_IN_CONTEXTIDR is not set # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set # -# Memory Protections -# -CONFIG_GRKERNSEC_KSTACKOVERFLOW=y - -# -# Crypto core or helper -# -CONFIG_CRYPTO_PCRYPT=m -CONFIG_CRYPTO_ABLK_HELPER=m - -# # Random Number Generation # CONFIG_CRYPTO_DEV_CCP=y @@ -623,5 +485,4 @@ CONFIG_CRYPTO_CRC32_ARM64=m CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y CONFIG_AUDIT_COMPAT_GENERIC=y CONFIG_HAS_IOPORT_MAP=y -CONFIG_CPU_RMAP=y CONFIG_UCS2_STRING=y diff --git a/kernel/config-armv5tel-default b/kernel/config-armv5tel-default deleted file mode 100644 index 20dc271..0000000 --- a/kernel/config-armv5tel-default +++ /dev/null @@ -1,424 +0,0 @@ - -# -# General setup -# -CONFIG_BROKEN_ON_SMP=y - -# -# Timers subsystem -# -CONFIG_NO_HZ_IDLE=y - -# -# CPU/Task time and stats accounting -# -# CONFIG_TICK_CPU_ACCOUNTING is not set -# CONFIG_IRQ_TIME_ACCOUNTING is not set - -# -# RCU Subsystem -# -CONFIG_TINY_RCU=y -# CONFIG_RCU_STALL_COMMON is not set - -# -# CPU Core family selection -# -# CONFIG_ARCH_MULTI_V4 is not set -# CONFIG_ARCH_MULTI_V4T is not set -CONFIG_ARCH_MULTI_V5=y -CONFIG_ARCH_MULTI_V4_V5=y -# CONFIG_ARCH_MULTI_V7 is not set -CONFIG_ARCH_MULTI_CPU_AUTO=y -CONFIG_ARCH_MVEBU=y -CONFIG_MACH_MVEBU_ANY=y -CONFIG_MACH_KIRKWOOD=y -CONFIG_MACH_NETXBIG=y -# CONFIG_MACH_ASM9260 is not set -# CONFIG_ARCH_INTEGRATOR is not set - -# -# MX21 platforms: -# -# CONFIG_MACH_MX21ADS is not set - -# -# MX27 platforms: -# -# CONFIG_MACH_MX27ADS is not set -# CONFIG_MACH_MX27_3DS is not set -# CONFIG_MACH_IMX27_VISSTRIM_M10 is not set -# CONFIG_MACH_PCA100 is not set -# CONFIG_MACH_IMX27_DT is not set - -# -# Device tree only -# -# CONFIG_SOC_IMX25 is not set -# CONFIG_ARCH_MXS is not set -# CONFIG_ARCH_NOMADIK is not set -# CONFIG_ARCH_NSPIRE is not set -# CONFIG_ARCH_U300 is not set -# CONFIG_ARCH_WM8505 is not set -CONFIG_PLAT_ORION=y - -# -# Processor Type -# -CONFIG_CPU_FEROCEON=y -# CONFIG_CPU_FEROCEON_OLD_ID is not set -CONFIG_CPU_32v5=y -CONFIG_CPU_ABRT_EV5T=y -CONFIG_CPU_PABRT_LEGACY=y -CONFIG_CPU_CACHE_VIVT=y -CONFIG_CPU_COPY_FEROCEON=y -CONFIG_CPU_TLB_FEROCEON=y -CONFIG_CPU_USE_DOMAINS=y - -# -# Processor Features -# -# CONFIG_CPU_DCACHE_DISABLE is not set -CONFIG_NEED_KUSER_HELPERS=y -CONFIG_CACHE_FEROCEON_L2=y -# CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH is not set -# CONFIG_CACHE_L2X0 is not set -CONFIG_ARM_L1_CACHE_SHIFT=5 - -# -# Bus support -# -# CONFIG_PCI_DOMAINS_GENERIC is not set - -# -# PCI host controller drivers -# -# CONFIG_PCI_MVEBU is not set - -# -# Kernel Features -# -CONFIG_ARCH_NR_GPIO=0 -CONFIG_HZ_FIXED=0 -# CONFIG_HZ_100 is not set -# CONFIG_HZ_200 is not set -# CONFIG_HZ_250 is not set -CONFIG_HZ_300=y -# CONFIG_HZ_500 is not set -# CONFIG_HZ_1000 is not set -CONFIG_HZ=300 -# CONFIG_OABI_COMPAT is not set -CONFIG_SPLIT_PTLOCK_CPUS=999999 -CONFIG_NEED_PER_CPU_KM=y -CONFIG_FORCE_MAX_ZONEORDER=11 -CONFIG_UACCESS_WITH_MEMCPY=y - -# -# Boot options -# -CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y -# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set -CONFIG_CMDLINE="console=ttyAM0,115200 root=/dev/sda1 rootdelay=20" - -# -# CPU frequency scaling drivers -# -CONFIG_ARM_KIRKWOOD_CPUFREQ=y - -# -# ARM CPU Idle Drivers -# -# CONFIG_ARM_KIRKWOOD_CPUIDLE is not set -# CONFIG_ARM_MVEBU_V7_CPUIDLE is not set -# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set - -# -# Bus devices -# -CONFIG_IMX_WEIM=y -CONFIG_MVEBU_MBUS=y - -# -# Controllers with non-SFF native interface -# -CONFIG_AHCI_MVEBU=m - -# -# Distributed Switch Architecture drivers -# -# CONFIG_VORTEX is not set -CONFIG_MACB=m -CONFIG_MV643XX_ETH=m -CONFIG_MVNETA=m - -# -# ISDN feature submodules -# -# CONFIG_ISDN_DRV_LOOP is not set - -# -# Input device support -# -CONFIG_INPUT_MATRIXKMAP=m - -# -# Input Device Drivers -# -CONFIG_KEYBOARD_SAMSUNG=m - -# -# Other I2C/SMBus bus drivers -# -# CONFIG_I2C_SLAVE is not set - -# -# PPS support -# -CONFIG_PPS=m - -# -# PTP clock support -# -CONFIG_PTP_1588_CLOCK=m - -# -# Pin controllers -# -# CONFIG_PINCTRL_SINGLE is not set -CONFIG_PINCTRL_MVEBU=y -CONFIG_PINCTRL_KIRKWOOD=y - -# -# Memory mapped GPIO drivers -# -CONFIG_GPIO_MVEBU=y - -# -# USB GPIO expanders -# -# CONFIG_CHARGER_LP8788 is not set -# CONFIG_POWER_RESET_BRCMSTB is not set -# CONFIG_POWER_RESET_QNAP is not set - -# -# Native drivers -# -CONFIG_KIRKWOOD_THERMAL=m -CONFIG_ARMADA_THERMAL=m - -# -# Watchdog Device Drivers -# -CONFIG_ORION_WATCHDOG=m - -# -# Multifunction device drivers -# -# CONFIG_MFD_ATMEL_HLCDC is not set -# CONFIG_ABX500_CORE is not set - -# -# STMicroelectronics STMPE Interface Drivers -# -CONFIG_MFD_VX855=m -CONFIG_REGULATOR_88PM8607=m -CONFIG_REGULATOR_GPIO=m -CONFIG_REGULATOR_LP872X=m -CONFIG_REGULATOR_LP8788=m -CONFIG_REGULATOR_TWL4030=m - -# -# Multimedia core support -# -CONFIG_VIDEOBUF2_DMA_SG=m - -# -# Media digital TV PCI Adapters -# -CONFIG_VIDEO_CAFE_CCIC=m - -# -# Camera sensor devices -# -CONFIG_VIDEO_OV7670=m - -# -# I2C encoder or helper chips -# -CONFIG_DRM_I2C_CH7006=m -CONFIG_DRM_I2C_SIL164=m -CONFIG_DRM_I2C_NXP_TDA998X=m -CONFIG_DRM_EXYNOS_FIMD=y -CONFIG_DRM_EXYNOS_DPI=y -CONFIG_DRM_EXYNOS_DSI=y -CONFIG_DRM_EXYNOS_FIMC=y -CONFIG_DRM_EXYNOS_ROTATOR=y - -# -# Display Panels -# -CONFIG_DRM_PANEL_SIMPLE=m -CONFIG_DRM_PANEL_S6E8AA0=m -CONFIG_DRM_IMX=m -# CONFIG_DRM_IMX_FB_HELPER is not set -CONFIG_DRM_IMX_PARALLEL_DISPLAY=m -CONFIG_DRM_IMX_TVE=m -CONFIG_DRM_IMX_LDB=m -CONFIG_DRM_IMX_IPUV3=m -CONFIG_DRM_IMX_HDMI=m - -# -# Frame buffer Devices -# -CONFIG_FB_MODE_HELPERS=y - -# -# Frame buffer hardware drivers -# -CONFIG_FB_IMX=m -CONFIG_FB_MX3=m -CONFIG_LCD_PLATFORM=m - -# -# Console display driver support -# -CONFIG_SND_ES1968_INPUT=y -CONFIG_SND_LX6464ES=m -CONFIG_SND_MAESTRO3_INPUT=y - -# -# SoC Audio support for Freescale i.MX boards: -# -CONFIG_SND_KIRKWOOD_SOC=m -CONFIG_SND_KIRKWOOD_SOC_ARMADA370_DB=m - -# -# USB Host Controller Drivers -# -CONFIG_USB_XHCI_MVEBU=m -CONFIG_USB_EHCI_MXC=m -CONFIG_USB_EHCI_HCD_ORION=y -CONFIG_USB_IMX21_HCD=m - -# -# Platform Glue Layer -# -CONFIG_MUSB_PIO_ONLY=y - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_RICOH_MMC=y -CONFIG_MMC_MVSDIO=m - -# -# LED drivers -# -CONFIG_LEDS_NS2=m -CONFIG_LEDS_NETXBIG=m - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_MV=m -CONFIG_RTC_DRV_ARMADA38X=m - -# -# DMA Devices -# -CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y -CONFIG_DW_DMAC_CORE=m -CONFIG_DW_DMAC_PCI=m -CONFIG_MV_XOR=y -CONFIG_IMX_SDMA=m -CONFIG_IMX_DMA=m - -# -# DMA Clients -# -CONFIG_DMA_ENGINE_RAID=y -CONFIG_UIO_AEC=m -CONFIG_UIO_SERCOS3=m -CONFIG_UIO_PCI_GENERIC=m -CONFIG_UIO_MF624=m - -# -# Common Clock Framework -# -CONFIG_COMMON_CLK_WM831X=m -CONFIG_COMMON_CLK_MAX77686=m -CONFIG_MVEBU_CLK_COMMON=y -CONFIG_KIRKWOOD_CLK=y - -# -# Clock Source drivers -# -CONFIG_ORION_TIMER=y -# CONFIG_SH_TIMER_TMU is not set - -# -# DEVFREQ Drivers -# -CONFIG_MVEBU_DEVBUS=y - -# -# Analog to digital converters -# -CONFIG_LP8788_ADC=m -CONFIG_TWL6030_GPADC=m - -# -# Temperature sensors -# -CONFIG_PWM_FSL_FTM=m -CONFIG_PWM_IMX=m -CONFIG_PWM_LP3943=m -CONFIG_PWM_PCA9685=m -CONFIG_PWM_TWL=m -CONFIG_PWM_TWL_LED=m -CONFIG_ORION_IRQCHIP=y - -# -# PHY Subsystem -# -CONFIG_PHY_MVEBU_SATA=y -# CONFIG_PHY_EXYNOS4210_USB2 is not set -# CONFIG_PHY_EXYNOS4X12_USB2 is not set -# CONFIG_PHY_EXYNOS5250_USB2 is not set - -# -# Compile-time checks and compiler options -# -CONFIG_FRAME_POINTER=y - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# -# RCU Debugging -# -CONFIG_FUNCTION_GRAPH_TRACER=y - -# -# Runtime Testing -# -CONFIG_OLD_MCOUNT=y -CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" -# CONFIG_DEBUG_UART_BCM63XX is not set - -# -# Random Number Generation -# -CONFIG_CRYPTO_DEV_MV_CESA=m - -# -# Library routines -# -CONFIG_HAS_IOPORT_MAP=y -CONFIG_GENERIC_ATOMIC64=y diff --git a/kernel/config-armv7hl-default b/kernel/config-armv7hl-default deleted file mode 100644 index 9989a17..0000000 --- a/kernel/config-armv7hl-default +++ /dev/null @@ -1,1271 +0,0 @@ -CONFIG_NO_IOPORT_MAP=y -CONFIG_ARCH_HAS_BANDGAP=y - -# -# IRQ subsystem -# -CONFIG_IRQ_DOMAIN_HIERARCHY=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_ARCH_HAS_TICK_BROADCAST=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y - -# -# Timers subsystem -# -# CONFIG_NO_HZ_IDLE is not set -CONFIG_NO_HZ_FULL=y -# CONFIG_NO_HZ_FULL_ALL is not set -# CONFIG_NO_HZ_FULL_SYSIDLE is not set - -# -# RCU Subsystem -# -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_USER_QS=y -CONFIG_RCU_FANOUT=32 -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_RCU_FAST_NO_HZ is not set -CONFIG_RCU_NOCB_CPU=y -CONFIG_RCU_NOCB_CPU_NONE=y -# CONFIG_RCU_NOCB_CPU_ZERO is not set -# CONFIG_RCU_NOCB_CPU_ALL is not set -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 - -# -# IO Schedulers -# -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y - -# -# CPU Core family selection -# -CONFIG_ARCH_MULTI_V7=y -CONFIG_ARCH_MULTI_V6_V7=y -# CONFIG_ARCH_MULTI_CPU_AUTO is not set -CONFIG_ARCH_VIRT=y -# CONFIG_ARCH_MVEBU is not set -# CONFIG_ARCH_ALPINE is not set -CONFIG_ARCH_BCM=y - -# -# IPROC architected SoCs -# -CONFIG_ARCH_BCM_IPROC=y -# CONFIG_ARCH_BCM_CYGNUS is not set -CONFIG_ARCH_BCM_5301X=y - -# -# KONA architected SoCs -# -# CONFIG_ARCH_BCM_281XX is not set -# CONFIG_ARCH_BCM_21664 is not set - -# -# Other Architectures -# -CONFIG_ARCH_BCM_63XX=y -CONFIG_ARCH_BRCMSTB=y -CONFIG_ARCH_BERLIN=y -# CONFIG_MACH_BERLIN_BG2 is not set -# CONFIG_MACH_BERLIN_BG2CD is not set -# CONFIG_MACH_BERLIN_BG2Q is not set -# CONFIG_ARCH_DIGICOLOR is not set -CONFIG_ARCH_HIGHBANK=y -CONFIG_ARCH_HISI=y - -# -# Hisilicon platform type -# -CONFIG_ARCH_HI3xxx=y -# CONFIG_ARCH_HIP01 is not set -CONFIG_ARCH_HIP04=y -CONFIG_ARCH_HIX5HD2=y -CONFIG_ARCH_KEYSTONE=y -CONFIG_ARCH_MESON=y -CONFIG_MACH_MESON6=y -CONFIG_MACH_MESON8=y - -# -# Device tree only -# -# CONFIG_SOC_IMX50 is not set -# CONFIG_SOC_IMX51 is not set -# CONFIG_SOC_IMX53 is not set -CONFIG_SOC_IMX6=y -CONFIG_SOC_IMX6Q=y -CONFIG_SOC_IMX6SL=y -CONFIG_SOC_IMX6SX=y -CONFIG_SOC_VF610=y -CONFIG_VF_USE_ARM_GLOBAL_TIMER=y -# CONFIG_VF_USE_PIT_TIMER is not set -# CONFIG_SOC_LS1021A is not set -CONFIG_ARCH_MEDIATEK=y -CONFIG_MACH_MT6589=y -CONFIG_MACH_MT6592=y -CONFIG_MACH_MT8127=y -CONFIG_MACH_MT8135=y -CONFIG_ARCH_OMAP=y - -# -# OMAP Feature Selections -# -# CONFIG_POWER_AVS_OMAP is not set -# CONFIG_OMAP_RESET_CLOCKS is not set -CONFIG_OMAP_MUX=y -# CONFIG_OMAP_MUX_DEBUG is not set -CONFIG_OMAP_MUX_WARNINGS=y -CONFIG_OMAP_32K_TIMER=y -# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set -CONFIG_OMAP_DM_TIMER=y -CONFIG_OMAP_PM_NOOP=y -CONFIG_MACH_OMAP_GENERIC=y - -# -# TI OMAP/AM/DM/DRA Family -# -CONFIG_ARCH_OMAP3=y -CONFIG_ARCH_OMAP4=y -CONFIG_SOC_OMAP5=y -CONFIG_SOC_AM33XX=y -CONFIG_SOC_AM43XX=y -CONFIG_SOC_DRA7XX=y -CONFIG_ARCH_OMAP2PLUS=y - -# -# TI OMAP2/3/4 Specific Features -# -CONFIG_ARCH_OMAP2PLUS_TYPICAL=y -CONFIG_SOC_HAS_OMAP2_SDRC=y -CONFIG_SOC_HAS_REALTIME_COUNTER=y -CONFIG_SOC_OMAP3430=y -CONFIG_SOC_TI81XX=y -CONFIG_OMAP_PACKAGE_CBB=y -CONFIG_OMAP_PACKAGE_CUS=y - -# -# OMAP Legacy Platform Data Board Type -# -CONFIG_MACH_OMAP3_BEAGLE=y -CONFIG_MACH_OMAP_LDP=y -CONFIG_MACH_OMAP3530_LV_SOM=y -CONFIG_MACH_OMAP3_TORPEDO=y -CONFIG_MACH_OVERO=y -CONFIG_MACH_OMAP3517EVM=y -CONFIG_MACH_OMAP3_PANDORA=y -CONFIG_MACH_NOKIA_RX51=y -CONFIG_MACH_CM_T35=y -CONFIG_MACH_CM_T3730=y -# CONFIG_OMAP3_SDRC_AC_TIMING is not set -CONFIG_ARCH_QCOM=y -# CONFIG_ARCH_MSM8X60 is not set -# CONFIG_ARCH_MSM8960 is not set -# CONFIG_ARCH_MSM8974 is not set -CONFIG_ARCH_ROCKCHIP=y -# CONFIG_ARCH_SOCFPGA is not set -CONFIG_ARCH_STI=y -CONFIG_SOC_STIH415=y -CONFIG_SOC_STIH416=y -CONFIG_SOC_STIH407=y -# CONFIG_ARCH_S5PV210 is not set -CONFIG_ARCH_EXYNOS=y -# CONFIG_ARCH_EXYNOS3 is not set -CONFIG_ARCH_EXYNOS4=y -CONFIG_ARCH_EXYNOS5=y - -# -# EXYNOS SoCs -# -CONFIG_CPU_EXYNOS4210=y -CONFIG_SOC_EXYNOS4212=y -CONFIG_SOC_EXYNOS4412=y -CONFIG_SOC_EXYNOS4415=y -CONFIG_SOC_EXYNOS5250=y -CONFIG_SOC_EXYNOS5260=y -CONFIG_SOC_EXYNOS5410=y -CONFIG_SOC_EXYNOS5420=y -CONFIG_SOC_EXYNOS5440=y -CONFIG_SOC_EXYNOS5800=y -# CONFIG_EXYNOS5420_MCPM is not set -CONFIG_EXYNOS_CPU_SUSPEND=y -CONFIG_PLAT_SAMSUNG=y - -# -# Boot options -# -CONFIG_S5P_DEV_MFC=y - -# -# Power management -# -# CONFIG_SAMSUNG_PM_CHECK is not set -CONFIG_ARCH_SHMOBILE=y -CONFIG_PM_RCAR=y -CONFIG_ARCH_RCAR_GEN1=y -CONFIG_ARCH_SHMOBILE_MULTI=y -# CONFIG_ARCH_EMEV2 is not set -# CONFIG_ARCH_R7S72100 is not set -# CONFIG_ARCH_R8A73A4 is not set -# CONFIG_ARCH_R8A7740 is not set -# CONFIG_ARCH_R8A7778 is not set -CONFIG_ARCH_R8A7779=y -# CONFIG_ARCH_R8A7790 is not set -# CONFIG_ARCH_R8A7791 is not set -# CONFIG_ARCH_R8A7794 is not set -# CONFIG_ARCH_SH73A0 is not set - -# -# Renesas ARM SoCs Board Type -# -CONFIG_MACH_MARZEN=y - -# -# Timer and clock configuration -# -CONFIG_SHMOBILE_TIMER_HZ=128 -CONFIG_ARCH_SUNXI=y -CONFIG_MACH_SUN4I=y -CONFIG_MACH_SUN5I=y -CONFIG_MACH_SUN6I=y -CONFIG_MACH_SUN7I=y -CONFIG_MACH_SUN8I=y -CONFIG_MACH_SUN9I=y -CONFIG_ARCH_SIRF=y - -# -# CSR SiRF atlas6/primaII/Atlas7 Specific Features -# -CONFIG_ARCH_ATLAS6=y -CONFIG_ARCH_ATLAS7=y -CONFIG_ARCH_PRIMA2=y -CONFIG_SIRF_IRQ=y -CONFIG_ARCH_TEGRA=y -CONFIG_ARCH_TEGRA_2x_SOC=y -CONFIG_ARCH_TEGRA_3x_SOC=y -CONFIG_ARCH_TEGRA_114_SOC=y -CONFIG_ARCH_TEGRA_124_SOC=y -CONFIG_ARCH_U8500=y -CONFIG_UX500_SOC_DB8500=y -CONFIG_MACH_MOP500=y -# CONFIG_MACH_HREFV60 is not set -# CONFIG_MACH_SNOWBALL is not set -CONFIG_UX500_AUTO_PLATFORM=y -CONFIG_UX500_DEBUG_UART=2 -CONFIG_ARCH_VEXPRESS=y -CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y -CONFIG_ARCH_VEXPRESS_DCSCB=y -CONFIG_ARCH_VEXPRESS_SPC=y -CONFIG_ARCH_VEXPRESS_TC2_PM=y -CONFIG_ARCH_VT8500=y -CONFIG_ARCH_WM8850=y -CONFIG_ARCH_ZYNQ=y -CONFIG_PLAT_VERSATILE=y -CONFIG_ARM_TIMER_SP804=y -CONFIG_ARCH_SUPPORTS_FIRMWARE=y -CONFIG_ARCH_SUPPORTS_TRUSTED_FOUNDATIONS=y - -# -# Firmware options -# -CONFIG_TRUSTED_FOUNDATIONS=y - -# -# Processor Type -# -CONFIG_CPU_V7=y -CONFIG_CPU_32v6K=y -CONFIG_CPU_32v7=y -CONFIG_CPU_ABRT_EV7=y -CONFIG_CPU_PABRT_V7=y -CONFIG_CPU_CACHE_V7=y -CONFIG_CPU_CACHE_VIPT=y -CONFIG_CPU_COPY_V6=y -CONFIG_CPU_TLB_V7=y -CONFIG_CPU_HAS_ASID=y - -# -# Processor Features -# -# CONFIG_ARM_LPAE is not set -# CONFIG_ARM_THUMBEE is not set -CONFIG_ARM_VIRT_EXT=y -CONFIG_SWP_EMULATE=y -# CONFIG_CPU_BPREDICT_DISABLE is not set -CONFIG_VDSO=y -CONFIG_OUTER_CACHE_SYNC=y -CONFIG_MIGHT_HAVE_CACHE_L2X0=y -CONFIG_CACHE_L2X0=y -CONFIG_PL310_ERRATA_588369=y -CONFIG_PL310_ERRATA_727915=y -CONFIG_PL310_ERRATA_753970=y -CONFIG_PL310_ERRATA_769419=y -CONFIG_ARM_L1_CACHE_SHIFT_6=y -CONFIG_ARM_L1_CACHE_SHIFT=6 -CONFIG_ARM_DMA_MEM_BUFFERABLE=y -# CONFIG_ARM_ERRATA_430973 is not set -CONFIG_ARM_ERRATA_643719=y -CONFIG_ARM_ERRATA_720789=y -CONFIG_ARM_ERRATA_754322=y -CONFIG_ARM_ERRATA_754327=y -CONFIG_ARM_ERRATA_764369=y -CONFIG_ARM_ERRATA_775420=y -CONFIG_ARM_ERRATA_798181=y -# CONFIG_ARM_ERRATA_773022 is not set -CONFIG_ICST=y -CONFIG_TI_PRIV_EDMA=y - -# -# Bus support -# -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_DOMAINS_GENERIC=y - -# -# PCI host controller drivers -# -CONFIG_PCI_EXYNOS=y -CONFIG_PCI_IMX6=y -CONFIG_PCI_TEGRA=y -CONFIG_PCI_RCAR_GEN2=y -CONFIG_PCI_RCAR_GEN2_PCIE=y -CONFIG_PCI_KEYSTONE=y -CONFIG_PCIE_XILINX=y -CONFIG_PCIE_IPROC_PLATFORM=m - -# -# Kernel Features -# -CONFIG_SMP=y -CONFIG_SMP_ON_UP=y -CONFIG_ARM_CPU_TOPOLOGY=y -CONFIG_SCHED_MC=y -CONFIG_SCHED_SMT=y -CONFIG_MCPM=y -CONFIG_MCPM_QUAD_CLUSTER=y -CONFIG_BIG_LITTLE=y -# CONFIG_BL_SWITCHER is not set -CONFIG_NR_CPUS=4 -CONFIG_HOTPLUG_CPU=y -CONFIG_ARM_PSCI=y -CONFIG_ARCH_NR_GPIO=1024 -CONFIG_HZ_FIXED=200 -CONFIG_HZ=200 -CONFIG_THUMB2_KERNEL=y -CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y -CONFIG_ARM_ASM_UNIFIED=y -CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y -CONFIG_SPLIT_PTLOCK_CPUS=4 -CONFIG_FORCE_MAX_ZONEORDER=12 -# CONFIG_UACCESS_WITH_MEMCPY is not set -# CONFIG_XEN is not set - -# -# Boot options -# -# CONFIG_ARM_ATAG_DTB_COMPAT is not set -CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" - -# -# CPU frequency scaling drivers -# -CONFIG_ARM_BIG_LITTLE_CPUFREQ=m -# CONFIG_ARM_DT_BL_CPUFREQ is not set -# CONFIG_ARM_VEXPRESS_SPC_CPUFREQ is not set -CONFIG_ARM_EXYNOS_CPUFREQ=y -CONFIG_ARM_EXYNOS4210_CPUFREQ=y -CONFIG_ARM_EXYNOS4X12_CPUFREQ=y -CONFIG_ARM_EXYNOS5250_CPUFREQ=y -# CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW is not set -CONFIG_ARM_EXYNOS5440_CPUFREQ=y -CONFIG_ARM_HIGHBANK_CPUFREQ=m -CONFIG_ARM_HISI_ACPU_CPUFREQ=m -# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set -CONFIG_ARM_OMAP2PLUS_CPUFREQ=y -CONFIG_ARM_TEGRA_CPUFREQ=y - -# -# ARM CPU Idle Drivers -# -# CONFIG_ARM_BIG_LITTLE_CPUIDLE is not set -# CONFIG_ARM_HIGHBANK_CPUIDLE is not set -# CONFIG_ARM_ZYNQ_CPUIDLE is not set -# CONFIG_ARM_U8500_CPUIDLE is not set -# CONFIG_ARM_EXYNOS_CPUIDLE is not set -CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED=y - -# -# At least one emulation must be selected -# -CONFIG_VFPv3=y -CONFIG_NEON=y -CONFIG_KERNEL_MODE_NEON=y - -# -# Power management options -# -CONFIG_PM_SLEEP_SMP=y -CONFIG_PM_GENERIC_DOMAINS=y -CONFIG_PM_GENERIC_DOMAINS_SLEEP=y -CONFIG_PM_GENERIC_DOMAINS_OF=y - -# -# Classification -# -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y - -# -# Device Drivers -# -CONFIG_ARM_AMBA=y -CONFIG_TEGRA_AHB=y - -# -# Generic Driver Options -# -CONFIG_REGMAP_SPMI=m - -# -# Bus devices -# -CONFIG_ARM_CCI400_PORT_CTRL=y -# CONFIG_IMX_WEIM is not set -CONFIG_OMAP_INTERCONNECT=y -# CONFIG_OMAP_OCP2SCP is not set -CONFIG_SIMPLE_PM_BUS=y - -# -# Misc devices -# -# CONFIG_ARM_CHARLCD is not set - -# -# EEPROM support -# -# CONFIG_EEPROM_SUNXI_SID is not set - -# -# Controllers with non-SFF native interface -# -CONFIG_AHCI_ST=m -CONFIG_AHCI_SUNXI=m -CONFIG_AHCI_TEGRA=m - -# -# SATA SFF controllers with BMDMA -# -CONFIG_SATA_HIGHBANK=m -CONFIG_SATA_RCAR=m - -# -# Distributed Switch Architecture drivers -# -CONFIG_NET_VENDOR_ALLWINNER=y -CONFIG_SUN4I_EMAC=m -# CONFIG_MACB is not set -CONFIG_BGMAC=m -CONFIG_NET_CALXEDA_XGMAC=m -CONFIG_PXA168_ETH=m -CONFIG_SH_ETH=m -CONFIG_TI_DAVINCI_EMAC=m -CONFIG_TI_DAVINCI_MDIO=m -CONFIG_TI_DAVINCI_CPDMA=m -CONFIG_TI_CPSW_PHY_SEL=y -CONFIG_TI_CPSW=m -# CONFIG_TI_CPTS is not set -CONFIG_NET_VENDOR_XILINX=y -# CONFIG_XILINX_EMACLITE is not set - -# -# MII PHY device drivers -# -CONFIG_MDIO_SUN4I=m - -# -# Input device support -# -CONFIG_INPUT_MATRIXKMAP=y - -# -# Input Device Drivers -# -# CONFIG_KEYBOARD_NOMADIK is not set -CONFIG_KEYBOARD_TEGRA=m -CONFIG_KEYBOARD_SAMSUNG=y -# CONFIG_KEYBOARD_ST_KEYSCAN is not set -CONFIG_KEYBOARD_SH_KEYSC=m -CONFIG_KEYBOARD_SUN4I_LRADC=m -# CONFIG_INPUT_AB8500_PONKEY is not set -CONFIG_INPUT_PM8941_PWRKEY=m -CONFIG_INPUT_SIRFSOC_ONKEY=y - -# -# Hardware I/O ports -# -# CONFIG_SERIO_AMBAKMI is not set -CONFIG_SERIO_SUN4I_PS2=m - -# -# Serial drivers -# -CONFIG_SERIAL_8250_OMAP=m -CONFIG_SERIAL_8250_MT6577=y - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_AMBA_PL010=m -CONFIG_SERIAL_AMBA_PL011=m -CONFIG_SERIAL_MESON=m -CONFIG_SERIAL_SAMSUNG=m -CONFIG_SERIAL_SAMSUNG_UARTS_4=y -CONFIG_SERIAL_SAMSUNG_UARTS=4 -CONFIG_SERIAL_SIRFSOC=m -# CONFIG_SERIAL_UARTLITE is not set -CONFIG_SERIAL_SH_SCI=m -CONFIG_SERIAL_SH_SCI_NR_UARTS=2 -# CONFIG_SERIAL_MSM is not set -# CONFIG_SERIAL_VT8500 is not set -CONFIG_SERIAL_OMAP=m -CONFIG_HW_RANDOM_IPROC_RNG200=m -CONFIG_HW_RANDOM_OMAP=y -CONFIG_HW_RANDOM_OMAP3_ROM=y -CONFIG_HW_RANDOM_EXYNOS=y -CONFIG_HW_RANDOM_MSM=m - -# -# PC SMBus host controller drivers -# -CONFIG_I2C_HIX5HD2=m - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_BCM_IPROC=m -# CONFIG_I2C_CADENCE is not set -CONFIG_I2C_DAVINCI=m -CONFIG_I2C_EXYNOS5=m -CONFIG_I2C_MESON=m -CONFIG_I2C_NOMADIK=y -CONFIG_I2C_OMAP=y -CONFIG_I2C_QUP=m -CONFIG_I2C_RIIC=m -CONFIG_I2C_S3C2410=m -CONFIG_I2C_SH_MOBILE=m -CONFIG_I2C_SIRF=m -CONFIG_I2C_ST=m -CONFIG_I2C_SUN6I_P2WI=m -CONFIG_I2C_TEGRA=m -CONFIG_I2C_VERSATILE=m -CONFIG_I2C_WMT=m -CONFIG_I2C_RCAR=m - -# -# Other I2C/SMBus bus drivers -# -CONFIG_I2C_SLAVE=y -# CONFIG_I2C_SLAVE_EEPROM is not set -CONFIG_SPMI_MSM_PMIC_ARB=m - -# -# HSI controllers -# -CONFIG_OMAP_SSI=m -CONFIG_OMAP_SSI_PORT=m - -# -# PPS support -# -CONFIG_PPS=y - -# -# PTP clock support -# -CONFIG_PTP_1588_CLOCK=y - -# -# Pin controllers -# -CONFIG_PINCTRL_MESON=y -CONFIG_PINCTRL_ROCKCHIP=y -CONFIG_PINCTRL_SINGLE=y -CONFIG_PINCTRL_SIRF=y -CONFIG_PINCTRL_ST=y -CONFIG_PINCTRL_TEGRA=y -CONFIG_PINCTRL_TEGRA20=y -CONFIG_PINCTRL_TEGRA30=y -CONFIG_PINCTRL_TEGRA114=y -CONFIG_PINCTRL_TEGRA124=y -CONFIG_PINCTRL_TEGRA_XUSB=y -CONFIG_PINCTRL_ZYNQ=y -CONFIG_PINCTRL_IMX=y -CONFIG_PINCTRL_IMX6Q=y -CONFIG_PINCTRL_IMX6SL=y -CONFIG_PINCTRL_IMX6SX=y -CONFIG_PINCTRL_VF610=y -CONFIG_PINCTRL_ABX500=y -CONFIG_PINCTRL_AB8500=y -CONFIG_PINCTRL_AB8540=y -CONFIG_PINCTRL_AB9540=y -CONFIG_PINCTRL_AB8505=y -CONFIG_PINCTRL_NOMADIK=y -CONFIG_PINCTRL_DB8500=y -CONFIG_PINCTRL_DB8540=y -CONFIG_PINCTRL_MSM=y -CONFIG_PINCTRL_APQ8064=y -CONFIG_PINCTRL_APQ8084=y -CONFIG_PINCTRL_IPQ8064=y -CONFIG_PINCTRL_MSM8960=m -CONFIG_PINCTRL_MSM8X74=m -CONFIG_PINCTRL_MSM8916=m -CONFIG_PINCTRL_QCOM_SPMI_PMIC=m -CONFIG_PINCTRL_SAMSUNG=y -CONFIG_PINCTRL_EXYNOS=y -CONFIG_PINCTRL_EXYNOS5440=y -CONFIG_PINCTRL_SH_PFC=y -CONFIG_GPIO_SH_PFC=y -CONFIG_PINCTRL_PFC_R8A7779=y -CONFIG_PINCTRL_SUNXI_COMMON=y -CONFIG_PINCTRL_SUN4I_A10=y -CONFIG_PINCTRL_SUN5I_A10S=y -CONFIG_PINCTRL_SUN5I_A13=y -CONFIG_PINCTRL_SUN6I_A31=y -CONFIG_PINCTRL_SUN6I_A31S=y -CONFIG_PINCTRL_SUN6I_A31_R=y -CONFIG_PINCTRL_SUN7I_A20=y -CONFIG_PINCTRL_SUN8I_A23=y -CONFIG_PINCTRL_SUN8I_A23_R=y -CONFIG_PINCTRL_SUN9I_A80=y -# CONFIG_PINCTRL_WM8850 is not set -CONFIG_PINCTRL_MTK_COMMON=y -CONFIG_PINCTRL_MT8135=y - -# -# Memory mapped GPIO drivers -# -# CONFIG_GPIO_DAVINCI is not set -CONFIG_GPIO_MSM_V2=m -CONFIG_GPIO_OMAP=y -CONFIG_GPIO_PL061=y -# CONFIG_GPIO_RCAR is not set -CONFIG_GPIO_VF610=y -# CONFIG_GPIO_XILINX is not set -CONFIG_GPIO_ZYNQ=m - -# -# USB GPIO expanders -# -CONFIG_POWER_RESET_BRCMSTB=y -CONFIG_POWER_RESET_HISI=y -CONFIG_POWER_RESET_IMX=y -# CONFIG_POWER_RESET_MSM is not set -CONFIG_POWER_RESET_ST=y -CONFIG_POWER_RESET_KEYSTONE=y -# CONFIG_ROCKCHIP_IODOMAIN is not set - -# -# Native drivers -# -CONFIG_ROCKCHIP_THERMAL=m -CONFIG_RCAR_THERMAL=y -CONFIG_DB8500_THERMAL=y -CONFIG_TEGRA_SOCTHERM=m - -# -# Texas Instruments thermal drivers -# -# CONFIG_TI_SOC_THERMAL is not set - -# -# Samsung thermal drivers -# -CONFIG_EXYNOS_THERMAL=m - -# -# STMicroelectronics thermal drivers -# -CONFIG_ST_THERMAL=m -CONFIG_ST_THERMAL_SYSCFG=m -CONFIG_ST_THERMAL_MEMMAP=m - -# -# Watchdog Device Drivers -# -CONFIG_ARM_SP805_WATCHDOG=m -CONFIG_S3C2410_WATCHDOG=m -CONFIG_OMAP_WATCHDOG=m -CONFIG_DAVINCI_WATCHDOG=m -CONFIG_SUNXI_WATCHDOG=m -CONFIG_UX500_WATCHDOG=y -CONFIG_SIRFSOC_WATCHDOG=y -CONFIG_TEGRA_WATCHDOG=m -CONFIG_QCOM_WDT=m -CONFIG_MESON_WATCHDOG=m -CONFIG_MEDIATEK_WATCHDOG=m -CONFIG_BCM47XX_WDT=m - -# -# Multifunction device drivers -# -CONFIG_MFD_ATMEL_HLCDC=m -CONFIG_MFD_QCOM_RPM=m -CONFIG_MFD_SPMI_PMIC=m -CONFIG_ABX500_CORE=y -# CONFIG_AB3100_CORE is not set -CONFIG_AB8500_CORE=y -CONFIG_MFD_DB8500_PRCMU=y - -# -# STMicroelectronics STMPE Interface Drivers -# -CONFIG_MFD_SUN6I_PRCM=y -CONFIG_MFD_OMAP_USB_HOST=y -# CONFIG_MFD_VX855 is not set -CONFIG_REGULATOR_88PM8607=y -# CONFIG_REGULATOR_AB8500 is not set -CONFIG_REGULATOR_DBX500_PRCMU=y -CONFIG_REGULATOR_DB8500_PRCMU=y -CONFIG_REGULATOR_GPIO=y -CONFIG_REGULATOR_LP872X=y -CONFIG_REGULATOR_LP8788=y -CONFIG_REGULATOR_PBIAS=m -CONFIG_REGULATOR_QCOM_RPM=m -CONFIG_REGULATOR_TI_ABB=m -CONFIG_REGULATOR_TWL4030=y - -# -# Media drivers -# -# CONFIG_IR_MESON is not set -# CONFIG_RC_ST is not set -CONFIG_IR_SUNXI=m - -# -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_CAFE_CCIC is not set -# CONFIG_VIDEO_OMAP2_VOUT is not set -# CONFIG_VIDEO_SH_VOU is not set -CONFIG_VIDEO_OMAP3=m -# CONFIG_VIDEO_OMAP3_DEBUG is not set -# CONFIG_VIDEO_RCAR_VIN is not set -# CONFIG_VIDEO_SH_MOBILE_CSI2 is not set -# CONFIG_VIDEO_SH_MOBILE_CEU is not set -# CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS is not set -# CONFIG_VIDEO_SAMSUNG_S5P_TV is not set -# CONFIG_VIDEO_AM437X_VPFE is not set -CONFIG_VIDEO_SAMSUNG_S5P_G2D=m -CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m -CONFIG_VIDEO_SAMSUNG_S5P_MFC=m -CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m -CONFIG_VIDEO_RENESAS_VSP1=m -# CONFIG_VIDEO_TI_VPE is not set - -# -# Graphics support -# -CONFIG_TEGRA_HOST1X=y -CONFIG_TEGRA_HOST1X_FIREWALL=y - -# -# I2C encoder or helper chips -# -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set -# CONFIG_DRM_I2C_NXP_TDA998X is not set -# CONFIG_DRM_EXYNOS_FIMD is not set -# CONFIG_DRM_EXYNOS_FIMC is not set -# CONFIG_DRM_EXYNOS_ROTATOR is not set -CONFIG_DRM_ROCKCHIP=m -CONFIG_ROCKCHIP_DW_HDMI=m -CONFIG_DRM_ATMEL_HLCDC=m -CONFIG_DRM_RCAR_DU=m -# CONFIG_DRM_RCAR_HDMI is not set -CONFIG_DRM_SHMOBILE=m -CONFIG_DRM_MSM=m -# CONFIG_DRM_MSM_FBDEV is not set -# CONFIG_DRM_MSM_REGISTER_LOGGING is not set -CONFIG_DRM_MSM_DSI=y -CONFIG_DRM_TEGRA=m -CONFIG_DRM_TEGRA_FBDEV=y -# CONFIG_DRM_TEGRA_DEBUG is not set -# CONFIG_DRM_TEGRA_STAGING is not set - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set -# CONFIG_DRM_IMX is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_MODE_HELPERS is not set - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_ARMCLCD is not set -# CONFIG_FB_IMX is not set -# CONFIG_FB_VT8500 is not set -# CONFIG_FB_WM8505 is not set -# CONFIG_FB_SH_MOBILE_LCDC is not set -# CONFIG_FB_S3C is not set -# CONFIG_FB_XILINX is not set -# CONFIG_FB_DA8XX is not set -# CONFIG_FB_MX3 is not set -# CONFIG_OMAP2_DSS is not set -CONFIG_EXYNOS_VIDEO=y -# CONFIG_EXYNOS_MIPI_DSI is not set -# CONFIG_FB_SH_MOBILE_MERAM is not set -# CONFIG_LCD_PLATFORM is not set - -# -# Console display driver support -# -# CONFIG_SND_ES1968_INPUT is not set -# CONFIG_SND_MAESTRO3_INPUT is not set - -# -# HD-Audio -# -CONFIG_SND_HDA_TEGRA=m -CONFIG_SND_ARMAACI=m -# CONFIG_SND_SOC_ADI is not set -CONFIG_SND_EDMA_SOC=m -CONFIG_SND_DAVINCI_SOC_MCASP=m -CONFIG_SND_DAVINCI_SOC_GENERIC_EVM=m -CONFIG_SND_AM33XX_SOC_EVM=m - -# -# SoC Audio support for Freescale i.MX boards: -# -CONFIG_SND_SOC_LPASS_CPU=m -CONFIG_SND_SOC_LPASS_PLATFORM=m -CONFIG_SND_SOC_STORM=m -CONFIG_SND_SOC_ROCKCHIP=m -CONFIG_SND_SOC_ROCKCHIP_I2S=m -CONFIG_SND_SOC_SAMSUNG=m -CONFIG_SND_SAMSUNG_PCM=m -CONFIG_SND_SAMSUNG_SPDIF=m -CONFIG_SND_SAMSUNG_I2S=m -CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994=m -CONFIG_SND_SOC_SAMSUNG_SMDK_SPDIF=m -CONFIG_SND_SOC_SMDK_WM8994_PCM=m -CONFIG_SND_SOC_SNOW=m -CONFIG_SND_SOC_ODROIDX2=m -CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631=m - -# -# SoC Audio support for SuperH -# -CONFIG_SND_SOC_SH4_FSI=m -CONFIG_SND_SOC_RCAR=m -CONFIG_SND_SOC_RSRC_CARD=m -CONFIG_SND_SOC_SIRF=m -CONFIG_SND_SOC_SIRF_AUDIO=m -CONFIG_SND_SOC_SIRF_AUDIO_PORT=m -CONFIG_SND_SOC_SIRF_USP=m -CONFIG_SND_SOC_UX500=m -CONFIG_SND_SOC_UX500_PLAT_DMA=m - -# -# CODEC drivers -# -CONFIG_SND_SOC_WM_HUBS=m -CONFIG_SND_SOC_MAX98090=m -CONFIG_SND_SOC_MAX98095=m -CONFIG_SND_SOC_MAX98357A=m -CONFIG_SND_SOC_WM8994=m - -# -# USB Host Controller Drivers -# -CONFIG_USB_XHCI_RCAR=m -CONFIG_USB_EHCI_MXC=y -CONFIG_USB_EHCI_HCD_OMAP=y -CONFIG_USB_EHCI_HCD_STI=m -CONFIG_USB_EHCI_MSM=y -CONFIG_USB_EHCI_TEGRA=y -CONFIG_USB_EHCI_EXYNOS=y -CONFIG_USB_OHCI_HCD_STI=m -CONFIG_USB_OHCI_HCD_OMAP3=y -CONFIG_USB_OHCI_EXYNOS=y -CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC=y -CONFIG_USB_UHCI_PLATFORM=y -CONFIG_USB_IMX21_HCD=y - -# -# Platform Glue Layer -# -CONFIG_USB_MUSB_OMAP2PLUS=m -CONFIG_USB_MUSB_AM35X=m -CONFIG_USB_MUSB_DSPS=m -CONFIG_USB_MUSB_UX500=m -CONFIG_USB_MUSB_AM335X_CHILD=m -CONFIG_USB_UX500_DMA=y -# CONFIG_USB_INVENTRA_DMA is not set -# CONFIG_USB_TI_CPPI41_DMA is not set -# CONFIG_MUSB_PIO_ONLY is not set - -# -# Platform Glue Driver Support -# -CONFIG_USB_DWC3_EXYNOS=m -CONFIG_USB_DWC3_KEYSTONE=m -CONFIG_USB_DWC3_ST=m -CONFIG_USB_DWC3_QCOM=m - -# -# USB Physical Layer drivers -# -# CONFIG_AB8500_USB is not set -CONFIG_KEYSTONE_USB_PHY=m -CONFIG_USB_MSM_OTG=m -CONFIG_USB_RCAR_PHY=m - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_ARMMMCI=m -# CONFIG_MMC_RICOH_MMC is not set -CONFIG_MMC_SDHCI_TEGRA=m -CONFIG_MMC_SDHCI_S3C=m -CONFIG_MMC_SDHCI_SIRF=m -CONFIG_MMC_SDHCI_S3C_DMA=y -CONFIG_MMC_SDHCI_IPROC=m -CONFIG_MMC_SDHCI_ST=m -CONFIG_MMC_OMAP=m -CONFIG_MMC_OMAP_HS=m -CONFIG_MMC_SDHCI_MSM=m -CONFIG_MMC_TMIO_CORE=m -CONFIG_MMC_SDHI=m -CONFIG_MMC_DW_ROCKCHIP=m -CONFIG_MMC_SH_MMCIF=m -CONFIG_MMC_WMT=y -CONFIG_MMC_SUNXI=m - -# -# Platform RTC drivers -# -# CONFIG_RTC_DRV_AB8500 is not set - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_OMAP=m -CONFIG_RTC_DRV_S3C=m -CONFIG_RTC_DRV_PL030=m -CONFIG_RTC_DRV_PL031=m -# CONFIG_RTC_DRV_VT8500 is not set -CONFIG_RTC_DRV_SUN6I=m -CONFIG_RTC_DRV_SUNXI=m -CONFIG_RTC_DRV_TEGRA=m -CONFIG_RTC_DRV_SIRFSOC=m - -# -# DMA Devices -# -# CONFIG_AMBA_PL08X is not set -# CONFIG_DW_DMAC_PCI is not set -# CONFIG_TEGRA20_APB_DMA is not set -CONFIG_RENESAS_DMA=y -CONFIG_SH_DMAE_BASE=y -# CONFIG_SH_DMAE is not set -# CONFIG_SUDMAC is not set -# CONFIG_RCAR_HPB_DMAE is not set -CONFIG_RCAR_DMAC=m -CONFIG_RENESAS_USB_DMAC=m -# CONFIG_STE_DMA40 is not set -# CONFIG_SIRF_DMA is not set -# CONFIG_TI_EDMA is not set -# CONFIG_PL330_DMA is not set -# CONFIG_IMX_SDMA is not set -# CONFIG_IMX_DMA is not set -# CONFIG_MXS_DMA is not set -# CONFIG_DMA_OMAP is not set -# CONFIG_TI_CPPI41 is not set -# CONFIG_K3_DMA is not set -CONFIG_XILINX_VDMA=m -CONFIG_DMA_SUN6I=m - -# -# DMA Clients -# -# CONFIG_QCOM_BAM_DMA is not set -# CONFIG_UIO_AEC is not set -# CONFIG_UIO_SERCOS3 is not set -# CONFIG_UIO_PCI_GENERIC is not set -# CONFIG_UIO_MF624 is not set - -# -# Speakup console speech -# -# CONFIG_MFD_NVEC is not set - -# -# Common Clock Framework -# -CONFIG_COMMON_CLK_WM831X=y -CONFIG_COMMON_CLK_VERSATILE=y -CONFIG_CLK_SP810=y -CONFIG_CLK_VEXPRESS_OSC=y -CONFIG_COMMON_CLK_MAX77686=y -# CONFIG_COMMON_CLK_AXI_CLKGEN is not set -CONFIG_COMMON_CLK_KEYSTONE=y -CONFIG_COMMON_CLK_QCOM=m -CONFIG_APQ_GCC_8084=m -CONFIG_APQ_MMCC_8084=m -CONFIG_IPQ_GCC_806X=m -CONFIG_IPQ_LCC_806X=m -CONFIG_MSM_GCC_8660=m -CONFIG_MSM_GCC_8916=m -CONFIG_MSM_GCC_8960=m -CONFIG_MSM_LCC_8960=m -CONFIG_MSM_MMCC_8960=m -CONFIG_MSM_GCC_8974=m -CONFIG_MSM_MMCC_8974=m -CONFIG_COMMON_CLK_SAMSUNG=y - -# -# Hardware Spinlock drivers -# -# CONFIG_HWSPINLOCK_OMAP is not set -# CONFIG_HSEM_U8500 is not set - -# -# Clock Source drivers -# -CONFIG_DW_APB_TIMER=y -CONFIG_DW_APB_TIMER_OF=y -CONFIG_ROCKCHIP_TIMER=y -CONFIG_MESON6_TIMER=y -CONFIG_SUN4I_TIMER=y -CONFIG_SUN5I_HSTIMER=y -CONFIG_TEGRA_TIMER=y -CONFIG_VT8500_TIMER=y -CONFIG_CADENCE_TTC_TIMER=y -CONFIG_CLKSRC_NOMADIK_MTU=y -CONFIG_CLKSRC_DBX500_PRCMU=y -CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK=y -CONFIG_ARM_ARCH_TIMER=y -CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y -CONFIG_ARM_GLOBAL_TIMER=y -CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y -CONFIG_CLKSRC_EXYNOS_MCT=y -CONFIG_CLKSRC_SAMSUNG_PWM=y -CONFIG_MTK_TIMER=y -CONFIG_SYS_SUPPORTS_SH_TMU=y -CONFIG_SH_TIMER_TMU=y -CONFIG_CLKSRC_VERSATILE=y -CONFIG_ARM_MHU=m -CONFIG_PL320_MBOX=y -CONFIG_OMAP2PLUS_MBOX=m -CONFIG_OMAP_MBOX_KFIFO_SIZE=256 - -# -# Generic IOMMU Pagetable Support -# -CONFIG_OMAP_IOMMU=y -# CONFIG_OMAP_IOMMU_DEBUG is not set -CONFIG_ROCKCHIP_IOMMU=y -# CONFIG_TEGRA_IOMMU_GART is not set -# CONFIG_TEGRA_IOMMU_SMMU is not set -# CONFIG_EXYNOS_IOMMU is not set -# CONFIG_SHMOBILE_IOMMU is not set - -# -# Remoteproc drivers -# -CONFIG_REMOTEPROC=m -CONFIG_OMAP_REMOTEPROC=m - -# -# Rpmsg drivers -# -CONFIG_RPMSG=m - -# -# SOC (System On Chip) specific Drivers -# -# CONFIG_MTK_PMIC_WRAP is not set -CONFIG_QCOM_GSBI=m -# CONFIG_KEYSTONE_NAVIGATOR_QMSS is not set -CONFIG_KEYSTONE_NAVIGATOR_DMA=m - -# -# DEVFREQ Drivers -# -CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=m -CONFIG_ARM_TEGRA_DEVFREQ=m -CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU=y -# CONFIG_TI_AEMIF is not set -# CONFIG_TI_EMIF is not set -CONFIG_OMAP_GPMC=y -CONFIG_TEGRA20_MC=y -CONFIG_TEGRA_MC=y - -# -# Analog to digital converters -# -# CONFIG_EXYNOS_ADC is not set -# CONFIG_LP8788_ADC is not set -CONFIG_ROCKCHIP_SARADC=m -# CONFIG_TWL6030_GPADC is not set -# CONFIG_XILINX_XADC is not set - -# -# Temperature sensors -# -# CONFIG_PWM_AB8500 is not set -CONFIG_PWM_ATMEL_HLCDC_PWM=m -# CONFIG_PWM_FSL_FTM is not set -# CONFIG_PWM_IMX is not set -# CONFIG_PWM_LP3943 is not set -# CONFIG_PWM_PCA9685 is not set -# CONFIG_PWM_RENESAS_TPU is not set -CONFIG_PWM_ROCKCHIP=m -# CONFIG_PWM_SAMSUNG is not set -CONFIG_PWM_STI=m -CONFIG_PWM_SUN4I=m -# CONFIG_PWM_TEGRA is not set -# CONFIG_PWM_TIECAP is not set -# CONFIG_PWM_TIEHRPWM is not set -# CONFIG_PWM_TWL is not set -# CONFIG_PWM_TWL_LED is not set -# CONFIG_PWM_VT8500 is not set -CONFIG_ARM_GIC=y -CONFIG_GIC_NON_BANKED=y -CONFIG_BCM7120_L2_IRQ=y -CONFIG_BRCMSTB_L2_IRQ=y -CONFIG_DW_APB_ICTL=y -CONFIG_OMAP_IRQCHIP=y -CONFIG_RENESAS_INTC_IRQPIN=y -CONFIG_IRQ_CROSSBAR=y -# CONFIG_KEYSTONE_IRQ is not set -CONFIG_ARCH_HAS_RESET_CONTROLLER=y -CONFIG_STI_RESET_SYSCFG=y -CONFIG_STIH415_RESET=y -CONFIG_STIH416_RESET=y -CONFIG_STIH407_RESET=y - -# -# PHY Subsystem -# -CONFIG_PHY_BERLIN_USB=m -CONFIG_PHY_BERLIN_SATA=m -CONFIG_PHY_DM816X_USB=m -CONFIG_PHY_EXYNOS_MIPI_VIDEO=y -CONFIG_PHY_MIPHY28LP=m -CONFIG_PHY_MIPHY365X=m -CONFIG_PHY_RCAR_GEN2=m -CONFIG_OMAP_CONTROL_PHY=m -CONFIG_TWL4030_USB=m -CONFIG_PHY_EXYNOS_DP_VIDEO=y -CONFIG_PHY_EXYNOS5250_SATA=m -CONFIG_PHY_HIX5HD2_SATA=m -CONFIG_PHY_SUN4I_USB=m -CONFIG_PHY_SUN9I_USB=m -CONFIG_PHY_EXYNOS4210_USB2=y -CONFIG_PHY_EXYNOS4X12_USB2=y -CONFIG_PHY_EXYNOS5250_USB2=y -CONFIG_PHY_EXYNOS5_USBDRD=m -CONFIG_PHY_QCOM_APQ8064_SATA=m -CONFIG_PHY_QCOM_IPQ806X_SATA=m -CONFIG_PHY_ROCKCHIP_USB=m -CONFIG_PHY_STIH407_USB=m -CONFIG_PHY_STIH41X_USB=m -CONFIG_PHY_QCOM_UFS=m - -# -# Firmware Drivers -# -CONFIG_QCOM_SCM=y - -# -# File systems -# -CONFIG_DCACHE_WORD_ACCESS=y - -# -# Memory Debugging -# -# CONFIG_DEBUG_PER_CPU_MAPS is not set - -# -# RCU Debugging -# -CONFIG_RCU_CPU_STALL_TIMEOUT=21 -# CONFIG_RCU_CPU_STALL_INFO is not set - -# -# Runtime Testing -# -CONFIG_DEBUG_VF_UART_PORT=1 -CONFIG_DEBUG_LL_INCLUDE="debug/bcm63xx.S" -CONFIG_DEBUG_UART_BCM63XX=y -CONFIG_DEBUG_UART_PHYS=0xfffe8600 -CONFIG_DEBUG_UART_VIRT=0xfcfe8600 -# CONFIG_PID_IN_CONTEXTIDR is not set - -# -# Non-executable pages -# -CONFIG_PAX_NOEXEC=y -CONFIG_PAX_PAGEEXEC=y -CONFIG_PAX_MPROTECT=y -# CONFIG_PAX_MPROTECT_COMPAT is not set -CONFIG_PAX_ELFRELOCS=y -CONFIG_PAX_KERNEXEC=y - -# -# Miscellaneous hardening features -# -# CONFIG_PAX_MEMORY_UDEREF is not set -CONFIG_PAX_REFCOUNT=y -CONFIG_PAX_CONSTIFY_PLUGIN=y - -# -# Memory Protections -# -CONFIG_GRKERNSEC_OLD_ARM_USERLAND=y - -# -# Kernel Auditing -# -CONFIG_GRKERNSEC_RWXMAP_LOG=y - -# -# Crypto core or helper -# -CONFIG_CRYPTO_PCRYPT=m -CONFIG_CRYPTO_ABLK_HELPER=m - -# -# Random Number Generation -# -CONFIG_CRYPTO_DEV_OMAP_SHAM=m -CONFIG_CRYPTO_DEV_OMAP_AES=m -CONFIG_CRYPTO_DEV_OMAP_DES=m -CONFIG_CRYPTO_DEV_S5P=m -# CONFIG_CRYPTO_DEV_UX500 is not set -CONFIG_CRYPTO_DEV_QCE=m -CONFIG_CRYPTO_SHA1_ARM_NEON=m -CONFIG_CRYPTO_SHA1_ARM_CE=m -CONFIG_CRYPTO_SHA2_ARM_CE=m -CONFIG_CRYPTO_SHA512_ARM_NEON=m -CONFIG_CRYPTO_AES_ARM_BS=m -CONFIG_CRYPTO_AES_ARM_CE=m -CONFIG_CRYPTO_GHASH_ARM_CE=m - -# -# Library routines -# -CONFIG_CPU_RMAP=y diff --git a/kernel/config-armv7hl-lpae b/kernel/config-armv7hl-lpae deleted file mode 100644 index 0329ba1..0000000 --- a/kernel/config-armv7hl-lpae +++ /dev/null @@ -1,107 +0,0 @@ -CONFIG_PGTABLE_LEVELS=3 - -# -# IO Schedulers -# -CONFIG_PREEMPT_NOTIFIERS=y - -# -# CPU Core family selection -# -CONFIG_ARCH_AXXIA=y - -# -# Power management -# -# CONFIG_ARCH_R8A7779 is not set - -# -# Processor Features -# -CONFIG_ARM_LPAE=y -CONFIG_ARCH_PHYS_ADDR_T_64BIT=y -CONFIG_ARCH_DMA_ADDR_T_64BIT=y - -# -# Bus support -# -CONFIG_PCI_BUS_ADDR_T_64BIT=y - -# -# PCI host controller drivers -# -CONFIG_PCIE_IPROC=y -CONFIG_PCIE_IPROC_PLATFORM=y - -# -# Kernel Features -# -CONFIG_SYS_SUPPORTS_HUGETLBFS=y -CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_MMU_NOTIFIER=y -# CONFIG_TRANSPARENT_HUGEPAGE is not set - -# -# Bus devices -# -# CONFIG_SIMPLE_PM_BUS is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_AXXIA=m - -# -# USB GPIO expanders -# -CONFIG_POWER_RESET_AXXIA=y -CONFIG_ROCKCHIP_IODOMAIN=m - -# -# Media drivers -# -# CONFIG_IR_SUNXI is not set - -# -# Clock Source drivers -# -# CONFIG_SH_TIMER_TMU is not set - -# -# Generic IOMMU Pagetable Support -# -# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set -# CONFIG_IPMMU_VMSA is not set -# CONFIG_ARM_SMMU is not set - -# -# Analog to digital converters -# -# CONFIG_ROCKCHIP_SARADC is not set - -# -# Digital to analog converters -# -# CONFIG_MAX5821 is not set - -# -# Pseudo filesystems -# -# CONFIG_HUGETLBFS is not set - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# -# Library routines -# -CONFIG_KVM_MMIO=y -CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y -CONFIG_KVM=y -CONFIG_KVM_ARM_HOST=y -CONFIG_KVM_ARM_MAX_VCPUS=4 diff --git a/kernel/config-generic b/kernel/config-generic index d0a66e1..936e462 100644 --- a/kernel/config-generic +++ b/kernel/config-generic @@ -44,9 +44,13 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_IRQ_CHIP=y CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_DOMAIN_HIERARCHY=y # CONFIG_IRQ_DOMAIN_DEBUG is not set +CONFIG_IRQ_FORCED_THREADING=y CONFIG_SPARSE_IRQ=y +CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y # # Timers subsystem @@ -70,14 +74,19 @@ CONFIG_TASK_IO_ACCOUNTING=y # # RCU Subsystem # +CONFIG_TREE_RCU=y +# CONFIG_RCU_EXPERT is not set CONFIG_SRCU=y # CONFIG_TASKS_RCU is not set +CONFIG_RCU_STALL_COMMON=y # CONFIG_TREE_RCU_TRACE is not set -CONFIG_RCU_KTHREAD_PRIO=0 +CONFIG_RCU_NOCB_CPU=y +# CONFIG_RCU_NOCB_CPU_ZERO is not set # CONFIG_RCU_EXPEDITE_BOOT is not set # CONFIG_BUILD_BIN2C is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 +CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_FREEZER=y @@ -93,6 +102,7 @@ CONFIG_FAIR_GROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y # CONFIG_DEBUG_BLK_CGROUP is not set +# CONFIG_CHECKPOINT_RESTORE is not set CONFIG_NAMESPACES=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y @@ -146,20 +156,26 @@ CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_EVENTS=y # CONFIG_DEBUG_PERF_USE_VMALLOC is not set CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set +# CONFIG_SLAB is not set +CONFIG_SLUB=y # CONFIG_SLOB is not set +CONFIG_SLUB_CPU_PARTIAL=y CONFIG_SYSTEM_TRUSTED_KEYRING=y # CONFIG_PROFILING is not set CONFIG_TRACEPOINTS=y CONFIG_JUMP_LABEL=y # CONFIG_UPROBES is not set # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DMA_ATTRS=y CONFIG_HAVE_DMA_CONTIGUOUS=y CONFIG_GENERIC_SMP_IDLE_THREAD=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_HW_BREAKPOINT=y CONFIG_HAVE_PERF_REGS=y CONFIG_HAVE_PERF_USER_STACK_DUMP=y CONFIG_HAVE_ARCH_JUMP_LABEL=y @@ -188,6 +204,7 @@ CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_MODULE_SIG is not set # CONFIG_MODULE_COMPRESS is not set +CONFIG_MODULES_TREE_LOOKUP=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_BSG=y @@ -232,6 +249,7 @@ CONFIG_CFQ_GROUP_IOSCHED=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_PADATA=y CONFIG_ASN1=y CONFIG_INLINE_SPIN_UNLOCK_IRQ=y CONFIG_INLINE_READ_UNLOCK=y @@ -239,13 +257,20 @@ CONFIG_INLINE_READ_UNLOCK_IRQ=y CONFIG_INLINE_WRITE_UNLOCK=y CONFIG_INLINE_WRITE_UNLOCK_IRQ=y CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y +CONFIG_MUTEX_SPIN_ON_OWNER=y +CONFIG_RWSEM_SPIN_ON_OWNER=y +CONFIG_LOCK_SPIN_ON_OWNER=y CONFIG_FREEZER=y # # Processor type and features # CONFIG_ZONE_DMA=y +CONFIG_SMP=y +# CONFIG_XEN is not set CONFIG_NO_BOOTMEM=y +CONFIG_SCHED_SMT=y +CONFIG_SCHED_MC=y CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set @@ -253,12 +278,14 @@ CONFIG_HAVE_MEMBLOCK=y CONFIG_MEMORY_ISOLATION=y # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MEMORY_BALLOON=y CONFIG_BALLOON_COMPACTION=y CONFIG_COMPACTION=y CONFIG_MIGRATION=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y +CONFIG_MMU_NOTIFIER=y CONFIG_KSM=y CONFIG_CLEANCACHE=y # CONFIG_FRONTSWAP is not set @@ -270,6 +297,7 @@ CONFIG_ZPOOL=m # CONFIG_ZBUD is not set # CONFIG_ZSMALLOC is not set CONFIG_SECCOMP=y +CONFIG_HOTPLUG_CPU=y # # Power management and ACPI options @@ -277,10 +305,12 @@ CONFIG_SECCOMP=y CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y CONFIG_PM_SLEEP=y +CONFIG_PM_SLEEP_SMP=y # CONFIG_PM_AUTOSLEEP is not set # CONFIG_PM_WAKELOCKS is not set CONFIG_PM=y # CONFIG_PM_DEBUG is not set +CONFIG_PM_OPP=y CONFIG_PM_CLK=y # CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set @@ -303,6 +333,7 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m # # CPU frequency scaling drivers # +CONFIG_CPUFREQ_DT=m # # shared options @@ -323,6 +354,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y # Bus options (PCI etc.) # CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y CONFIG_PCIEPORTBUS=y CONFIG_PCIEAER=y CONFIG_PCIEASPM=y @@ -349,6 +381,7 @@ CONFIG_BINFMT_SCRIPT=y CONFIG_BINFMT_MISC=y CONFIG_COREDUMP=y CONFIG_NET=y +CONFIG_NET_INGRESS=y # # Networking options @@ -389,7 +422,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_UDP_TUNNEL=m CONFIG_NET_FOU=m CONFIG_NET_FOU_IP_TUNNELS=y -# CONFIG_GENEVE is not set +# CONFIG_GENEVE_CORE is not set CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m @@ -416,6 +449,7 @@ CONFIG_TCP_CONG_VENO=m CONFIG_TCP_CONG_YEAH=m CONFIG_TCP_CONG_ILLINOIS=m CONFIG_TCP_CONG_DCTCP=m +CONFIG_TCP_CONG_CDG=m CONFIG_DEFAULT_CUBIC=y # CONFIG_DEFAULT_RENO is not set CONFIG_DEFAULT_TCP_CONG="cubic" @@ -457,6 +491,7 @@ CONFIG_BRIDGE_NETFILTER=y # # Core Netfilter Configuration # +CONFIG_NETFILTER_INGRESS=y CONFIG_NETFILTER_NETLINK=m CONFIG_NETFILTER_NETLINK_ACCT=m CONFIG_NETFILTER_NETLINK_QUEUE=m @@ -502,6 +537,7 @@ CONFIG_NF_NAT_TFTP=m CONFIG_NF_NAT_REDIRECT=m CONFIG_NF_TABLES=m CONFIG_NF_TABLES_INET=m +CONFIG_NF_TABLES_NETDEV=m CONFIG_NFT_EXTHDR=m CONFIG_NFT_META=m CONFIG_NFT_CT=m @@ -817,6 +853,7 @@ CONFIG_NET_CLS_RSVP6=m CONFIG_NET_CLS_FLOW=m CONFIG_NET_CLS_CGROUP=m CONFIG_NET_CLS_BPF=m +CONFIG_NET_CLS_FLOWER=m CONFIG_NET_EMATCH=y CONFIG_NET_EMATCH_STACK=32 CONFIG_NET_EMATCH_CMP=m @@ -847,9 +884,7 @@ CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y CONFIG_BATMAN_ADV_MCAST=y # CONFIG_BATMAN_ADV_DEBUG is not set -CONFIG_OPENVSWITCH=m -CONFIG_OPENVSWITCH_GRE=m -CONFIG_OPENVSWITCH_VXLAN=m +# CONFIG_OPENVSWITCH is not set CONFIG_VSOCKETS=m CONFIG_NETLINK_MMAP=y CONFIG_NETLINK_DIAG=m @@ -858,10 +893,14 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m # CONFIG_HSR is not set CONFIG_NET_SWITCHDEV=y +CONFIG_RPS=y +CONFIG_RFS_ACCEL=y +CONFIG_XPS=y CONFIG_CGROUP_NET_PRIO=y CONFIG_CGROUP_NET_CLASSID=y CONFIG_NET_RX_BUSY_POLL=y CONFIG_BQL=y +CONFIG_NET_FLOW_LIMIT=y # # Network testing @@ -889,8 +928,10 @@ CONFIG_BT_LE=y # CONFIG_BT_INTEL=m CONFIG_BT_BCM=m +CONFIG_BT_RTL=m CONFIG_BT_HCIBTUSB=m CONFIG_BT_HCIBTUSB_BCM=y +CONFIG_BT_HCIBTUSB_RTL=y CONFIG_BT_HCIUART=m CONFIG_BT_HCIUART_H4=y CONFIG_BT_HCIUART_BCSP=y @@ -941,6 +982,7 @@ CONFIG_MAC80211_LEDS=y # CONFIG_MAC80211_DEBUGFS is not set # CONFIG_MAC80211_MESSAGE_TRACING is not set # CONFIG_MAC80211_DEBUG_MENU is not set +CONFIG_MAC80211_STA_HASH_MAX_SIZE=0 # CONFIG_WIMAX is not set CONFIG_RFKILL=m CONFIG_RFKILL_LEDS=y @@ -965,6 +1007,8 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" +CONFIG_FW_LOADER_USER_HELPER=y +CONFIG_WANT_DEV_COREDUMP=y # CONFIG_ALLOW_DEV_COREDUMP is not set # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set @@ -972,6 +1016,7 @@ CONFIG_EXTRA_FIRMWARE="" # CONFIG_GENERIC_CPU_DEVICES is not set CONFIG_REGMAP=y CONFIG_REGMAP_I2C=y +CONFIG_REGMAP_SPMI=m CONFIG_REGMAP_MMIO=y CONFIG_REGMAP_IRQ=y CONFIG_DMA_SHARED_BUFFER=y @@ -983,6 +1028,16 @@ CONFIG_DMA_SHARED_BUFFER=y CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y # CONFIG_MTD is not set +CONFIG_OF=y +# CONFIG_OF_UNITTEST is not set +CONFIG_OF_ADDRESS=y +CONFIG_OF_ADDRESS_PCI=y +CONFIG_OF_IRQ=y +CONFIG_OF_NET=y +CONFIG_OF_MDIO=y +CONFIG_OF_PCI=y +CONFIG_OF_PCI_IRQ=y +# CONFIG_OF_OVERLAY is not set # # Protocols @@ -998,7 +1053,6 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m # CONFIG_BLK_DEV_OSD is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_PMEM=m # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set CONFIG_VIRTIO_BLK=m @@ -1055,14 +1109,23 @@ CONFIG_ALTERA_STAPL=m # # +# SCIF Bus Driver +# + +# # Intel MIC Host Driver # # # Intel MIC Card Driver # + +# +# SCIF Driver +# # CONFIG_ECHO is not set # CONFIG_CXL_BASE is not set +# CONFIG_CXL_KERNEL_API is not set # # SCSI device support @@ -1147,6 +1210,7 @@ CONFIG_SCSI_HPTIOP=m CONFIG_LIBFC=m CONFIG_LIBFCOE=m CONFIG_FCOE=m +# CONFIG_SCSI_SNIC is not set CONFIG_SCSI_DMX3191D=m CONFIG_SCSI_FUTURE_DOMAIN=m CONFIG_SCSI_IPS=m @@ -1194,6 +1258,7 @@ CONFIG_SATA_PMP=y # CONFIG_SATA_AHCI=m CONFIG_SATA_AHCI_PLATFORM=m +CONFIG_AHCI_CEVA=m CONFIG_SATA_INIC162X=m CONFIG_SATA_ACARD_AHCI=m CONFIG_SATA_SIL24=m @@ -1301,6 +1366,7 @@ CONFIG_DM_SNAPSHOT=y CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m CONFIG_DM_CACHE_MQ=m +CONFIG_DM_CACHE_SMQ=m CONFIG_DM_CACHE_CLEANER=m CONFIG_DM_ERA=m CONFIG_DM_MIRROR=y @@ -1341,6 +1407,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_NETPOLL=y CONFIG_NET_POLL_CONTROLLER=y CONFIG_TUN=m +# CONFIG_TUN_VNET_CROSS_LE is not set CONFIG_VETH=m CONFIG_VIRTIO_NET=m CONFIG_NLMON=m @@ -1382,6 +1449,9 @@ CONFIG_ALTERA_TSE=m CONFIG_NET_VENDOR_AMD=y CONFIG_PCNET32=m CONFIG_NET_VENDOR_ARC=y +CONFIG_ARC_EMAC_CORE=m +CONFIG_ARC_EMAC=m +CONFIG_EMAC_ROCKCHIP=m CONFIG_NET_VENDOR_ATHEROS=y CONFIG_ATL2=m CONFIG_ATL1=m @@ -1399,8 +1469,10 @@ CONFIG_BNX2=m CONFIG_CNIC=m CONFIG_TIGON3=m CONFIG_BNX2X=m +CONFIG_SYSTEMPORT=m CONFIG_NET_VENDOR_BROCADE=y CONFIG_BNA=m +CONFIG_NET_VENDOR_CAVIUM=m CONFIG_NET_VENDOR_CHELSIO=y CONFIG_CHELSIO_T1=m CONFIG_CHELSIO_T3=m @@ -1422,7 +1494,10 @@ CONFIG_SUNDANCE=m CONFIG_SUNDANCE_MMIO=y CONFIG_NET_VENDOR_EMULEX=y CONFIG_BE2NET=m +CONFIG_BE2NET_HWMON=y CONFIG_BE2NET_VXLAN=y +CONFIG_NET_VENDOR_EZCHIP=y +CONFIG_EZCHIP_NPS_MANAGEMENT_ENET=m CONFIG_NET_VENDOR_EXAR=y CONFIG_S2IO=m CONFIG_VXGE=m @@ -1488,6 +1563,7 @@ CONFIG_8139TOO=m CONFIG_8139TOO_TUNE_TWISTER=y # CONFIG_8139_OLD_RX_RESET is not set CONFIG_R8169=m +CONFIG_NET_VENDOR_RENESAS=y CONFIG_NET_VENDOR_RDC=y CONFIG_R6040=m CONFIG_NET_VENDOR_ROCKER=y @@ -1502,6 +1578,7 @@ CONFIG_SIS900=m CONFIG_SIS190=m CONFIG_SFC=m CONFIG_SFC_MCDI_MON=y +CONFIG_SFC_MCDI_LOGGING=y CONFIG_NET_VENDOR_SMSC=y CONFIG_EPIC100=m CONFIG_SMSC911X=m @@ -1510,6 +1587,14 @@ CONFIG_SMSC9420=m CONFIG_NET_VENDOR_STMICRO=y CONFIG_STMMAC_ETH=m CONFIG_STMMAC_PLATFORM=m +CONFIG_DWMAC_GENERIC=m +CONFIG_DWMAC_IPQ806X=m +CONFIG_DWMAC_LPC18XX=m +CONFIG_DWMAC_MESON=m +CONFIG_DWMAC_ROCKCHIP=m +CONFIG_DWMAC_SOCFPGA=m +CONFIG_DWMAC_STI=m +CONFIG_DWMAC_SUNXI=m CONFIG_NET_VENDOR_SUN=y CONFIG_HAPPYMEAL=m CONFIG_SUNGEM=m @@ -1554,9 +1639,13 @@ CONFIG_NATIONAL_PHY=m CONFIG_STE10XP=m CONFIG_LSI_ET1011C_PHY=m CONFIG_MICREL_PHY=m +CONFIG_DP83867_PHY=m CONFIG_FIXED_PHY=y CONFIG_MDIO_BITBANG=m # CONFIG_MDIO_GPIO is not set +CONFIG_MDIO_BUS_MUX=m +CONFIG_MDIO_BUS_MUX_GPIO=m +CONFIG_MDIO_BUS_MUX_MMIOREG=m CONFIG_MDIO_BCM_UNIMAC=m CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -1762,6 +1851,8 @@ CONFIG_RT2X00_LIB_FIRMWARE=y CONFIG_RT2X00_LIB_CRYPTO=y CONFIG_RT2X00_LIB_LEDS=y # CONFIG_RT2X00_DEBUG is not set +CONFIG_WL_MEDIATEK=y +CONFIG_MT7601U=m CONFIG_RTL_CARDS=m CONFIG_RTL8192CE=m CONFIG_RTL8192SE=m @@ -1901,6 +1992,7 @@ CONFIG_ISDN_HDLC=m # Input device support # CONFIG_INPUT=y +CONFIG_INPUT_LEDS=m CONFIG_INPUT_FF_MEMLESS=m CONFIG_INPUT_POLLDEV=m CONFIG_INPUT_SPARSEKMAP=m @@ -1940,8 +2032,11 @@ CONFIG_KEYBOARD_LM8333=m # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set +CONFIG_KEYBOARD_OMAP4=m +# CONFIG_KEYBOARD_TC3589X is not set CONFIG_KEYBOARD_TWL4030=m # CONFIG_KEYBOARD_XTKBD is not set +CONFIG_KEYBOARD_BCM=m CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=m CONFIG_MOUSE_PS2_ALPS=y @@ -1995,12 +2090,14 @@ CONFIG_INPUT_PALMAS_PWRBUTTON=m CONFIG_INPUT_GPIO_ROTARY_ENCODER=m # CONFIG_INPUT_DA9052_ONKEY is not set # CONFIG_INPUT_DA9055_ONKEY is not set +CONFIG_INPUT_DA9063_ONKEY=m # CONFIG_INPUT_WM831X_ON is not set # CONFIG_INPUT_ADXL34X is not set # CONFIG_INPUT_IMS_PCU is not set # CONFIG_INPUT_CMA3000 is not set CONFIG_INPUT_SOC_BUTTON_ARRAY=m CONFIG_INPUT_DRV260X_HAPTICS=m +CONFIG_INPUT_DRV2665_HAPTICS=m CONFIG_INPUT_DRV2667_HAPTICS=m # @@ -2014,6 +2111,7 @@ CONFIG_SERIO_RAW=m CONFIG_SERIO_ALTERA_PS2=m # CONFIG_SERIO_PS2MULT is not set CONFIG_SERIO_ARC_PS2=m +CONFIG_SERIO_APBPS2=m # CONFIG_GAMEPORT is not set # @@ -2037,6 +2135,7 @@ CONFIG_N_HDLC=m CONFIG_N_GSM=m # CONFIG_TRACE_SINK is not set # CONFIG_DEVMEM is not set +CONFIG_DEVKMEM=y # # Serial drivers @@ -2061,10 +2160,13 @@ CONFIG_SERIAL_8250_DW=m # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_SC16IS7XX_CORE=m CONFIG_SERIAL_SC16IS7XX=m +CONFIG_SERIAL_SC16IS7XX_I2C=y # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set CONFIG_SERIAL_FSL_LPUART=m +CONFIG_SERIAL_CONEXANT_DIGICOLOR=m # CONFIG_TTY_PRINTK is not set CONFIG_HVC_DRIVER=y CONFIG_VIRTIO_CONSOLE=m @@ -2084,6 +2186,7 @@ CONFIG_R3964=m CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=8192 # CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y # CONFIG_XILLYBUS is not set # @@ -2139,6 +2242,7 @@ CONFIG_I2C_KEMPLD=m # CONFIG_I2C_OCORES is not set CONFIG_I2C_PCA_PLATFORM=m # CONFIG_I2C_PXA_PCI is not set +CONFIG_I2C_RK3X=m CONFIG_I2C_SIMTEC=m # CONFIG_I2C_XILINX is not set @@ -2203,20 +2307,27 @@ CONFIG_HSI_CHAR=m CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y CONFIG_GPIOLIB=y CONFIG_GPIO_DEVRES=y +CONFIG_OF_GPIO=y CONFIG_GPIOLIB_IRQCHIP=y # CONFIG_DEBUG_GPIO is not set CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_GENERIC=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_74XX_MMIO=m +CONFIG_GPIO_ALTERA=m +CONFIG_GPIO_GENERIC_PLATFORM=y # CONFIG_GPIO_SCH311X is not set +CONFIG_GPIO_SYSCON=m # CONFIG_GPIO_VX855 is not set # # I2C GPIO expanders # # CONFIG_GPIO_ADP5588 is not set +CONFIG_GPIO_ADNP=m # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCA953X is not set @@ -2234,6 +2345,7 @@ CONFIG_GPIO_CRYSTAL_COVE=m # CONFIG_GPIO_LP3943 is not set # CONFIG_GPIO_PALMAS is not set # CONFIG_GPIO_RC5T583 is not set +CONFIG_GPIO_STMPE=y # CONFIG_GPIO_TPS6586X is not set # CONFIG_GPIO_TPS65910 is not set # CONFIG_GPIO_TPS65912 is not set @@ -2278,13 +2390,21 @@ CONFIG_CHARGER_MAX14577=m CONFIG_CHARGER_MAX77693=m # CONFIG_CHARGER_BQ2415X is not set # CONFIG_CHARGER_BQ24190 is not set +# CONFIG_CHARGER_BQ24257 is not set # CONFIG_CHARGER_BQ24735 is not set +# CONFIG_CHARGER_BQ25890 is not set # CONFIG_CHARGER_SMB347 is not set # CONFIG_CHARGER_TPS65090 is not set # CONFIG_BATTERY_GAUGE_LTC2941 is not set # CONFIG_BATTERY_RT5033 is not set +# CONFIG_CHARGER_RT9455 is not set CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_GPIO=y +CONFIG_POWER_RESET_GPIO_RESTART=y +CONFIG_POWER_RESET_LTC2952=y CONFIG_POWER_RESET_RESTART=y +CONFIG_POWER_RESET_SYSCON=y +CONFIG_POWER_RESET_SYSCON_POWEROFF=y CONFIG_POWER_AVS=y CONFIG_HWMON=y CONFIG_HWMON_VID=m @@ -2404,6 +2524,7 @@ CONFIG_SENSORS_ADS7828=m CONFIG_SENSORS_AMC6821=m CONFIG_SENSORS_INA209=m CONFIG_SENSORS_INA2XX=m +CONFIG_SENSORS_TC74=m CONFIG_SENSORS_THMC50=m CONFIG_SENSORS_TMP102=m CONFIG_SENSORS_TMP103=m @@ -2431,18 +2552,26 @@ CONFIG_SENSORS_WM8350=m # CONFIG_THERMAL=y CONFIG_THERMAL_HWMON=y +CONFIG_THERMAL_OF=y +CONFIG_THERMAL_WRITABLE_TRIPS=y CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y # CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set # CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE is not set +# CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR is not set CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_STEP_WISE=y CONFIG_THERMAL_GOV_BANG_BANG=y CONFIG_THERMAL_GOV_USER_SPACE=y +CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y +CONFIG_CPU_THERMAL=y +CONFIG_CLOCK_THERMAL=y CONFIG_THERMAL_EMULATION=y +CONFIG_IMX_THERMAL=m # # Texas Instruments thermal drivers # +CONFIG_QCOM_SPMI_TEMP_ALARM=m CONFIG_WATCHDOG=y CONFIG_WATCHDOG_CORE=y CONFIG_WATCHDOG_NOWAYOUT=y @@ -2454,6 +2583,7 @@ CONFIG_SOFT_WATCHDOG=m CONFIG_DA9052_WATCHDOG=m CONFIG_DA9055_WATCHDOG=m CONFIG_DA9063_WATCHDOG=m +CONFIG_GPIO_WATCHDOG=m CONFIG_MENF21BMC_WATCHDOG=m CONFIG_WM831X_WATCHDOG=m CONFIG_WM8350_WATCHDOG=m @@ -2462,6 +2592,7 @@ CONFIG_CADENCE_WATCHDOG=m CONFIG_DW_WATCHDOG=m CONFIG_RN5T618_WATCHDOG=m CONFIG_TWL4030_WATCHDOG=m +CONFIG_MAX63XX_WATCHDOG=m CONFIG_RETU_WATCHDOG=m CONFIG_ALIM7101_WDT=m CONFIG_I6300ESB_WDT=m @@ -2514,6 +2645,7 @@ CONFIG_BCMA_DRIVER_GMAC_CMN=y # CONFIG_MFD_CORE=y CONFIG_MFD_AS3711=y +CONFIG_MFD_AS3722=y CONFIG_PMIC_ADP5520=y CONFIG_MFD_AAT2870_CORE=y CONFIG_MFD_BCM590XX=m @@ -2527,6 +2659,7 @@ CONFIG_MFD_DA9063=y # CONFIG_MFD_DA9150 is not set # CONFIG_MFD_DLN2 is not set # CONFIG_MFD_MC13XXX_I2C is not set +CONFIG_MFD_HI6421_PMIC=m # CONFIG_HTC_PASIC3 is not set CONFIG_HTC_I2CPLD=y CONFIG_LPC_SCH=m @@ -2537,6 +2670,7 @@ CONFIG_MFD_88PM800=m CONFIG_MFD_88PM805=m CONFIG_MFD_88PM860X=y CONFIG_MFD_MAX14577=y +CONFIG_MFD_MAX77686=y CONFIG_MFD_MAX77693=y CONFIG_MFD_MAX77843=y CONFIG_MFD_MAX8907=m @@ -2553,6 +2687,7 @@ CONFIG_MFD_RETU=m CONFIG_MFD_RT5033=m CONFIG_MFD_RTSX_USB=m CONFIG_MFD_RC5T583=y +CONFIG_MFD_RK808=m CONFIG_MFD_RN5T618=y CONFIG_MFD_SEC_CORE=y # CONFIG_MFD_SI476X_CORE is not set @@ -2560,6 +2695,12 @@ CONFIG_MFD_SM501=m CONFIG_MFD_SM501_GPIO=y CONFIG_MFD_SKY81452=m CONFIG_MFD_SMSC=y +CONFIG_MFD_STMPE=y + +# +# STMicroelectronics STMPE Interface Drivers +# +CONFIG_STMPE_I2C=y CONFIG_MFD_SYSCON=y # CONFIG_MFD_TI_AM335X_TSCADC is not set CONFIG_MFD_LP3943=m @@ -2581,6 +2722,7 @@ CONFIG_MFD_TWL4030_AUDIO=y CONFIG_TWL6040_CORE=y CONFIG_MFD_WL1273_CORE=m CONFIG_MFD_LM3533=m +CONFIG_MFD_TC3589X=y # CONFIG_MFD_TMIO is not set # CONFIG_MFD_ARIZONA_I2C is not set CONFIG_MFD_WM8400=y @@ -2597,6 +2739,7 @@ CONFIG_REGULATOR_AD5398=m CONFIG_REGULATOR_ANATOP=m CONFIG_REGULATOR_AAT2870=m CONFIG_REGULATOR_AS3711=m +CONFIG_REGULATOR_AS3722=m CONFIG_REGULATOR_AXP20X=m CONFIG_REGULATOR_BCM590XX=m CONFIG_REGULATOR_DA903X=m @@ -2606,6 +2749,7 @@ CONFIG_REGULATOR_DA9063=m CONFIG_REGULATOR_DA9210=m CONFIG_REGULATOR_DA9211=m CONFIG_REGULATOR_FAN53555=m +CONFIG_REGULATOR_HI6421=m CONFIG_REGULATOR_ISL9305=m CONFIG_REGULATOR_ISL6271A=m CONFIG_REGULATOR_LP3971=m @@ -2622,12 +2766,16 @@ CONFIG_REGULATOR_MAX8952=m CONFIG_REGULATOR_MAX8973=m CONFIG_REGULATOR_MAX8997=m CONFIG_REGULATOR_MAX8998=m +CONFIG_REGULATOR_MAX77686=m CONFIG_REGULATOR_MAX77693=m +CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_MAX77843=m CONFIG_REGULATOR_MT6397=m CONFIG_REGULATOR_PALMAS=m CONFIG_REGULATOR_PFUZE100=m +CONFIG_REGULATOR_QCOM_SPMI=m CONFIG_REGULATOR_RC5T583=m +CONFIG_REGULATOR_RK808=m CONFIG_REGULATOR_RN5T618=m CONFIG_REGULATOR_RT5033=m CONFIG_REGULATOR_S2MPA01=m @@ -2639,6 +2787,7 @@ CONFIG_REGULATOR_TPS62360=m CONFIG_REGULATOR_TPS65023=m CONFIG_REGULATOR_TPS6507X=m CONFIG_REGULATOR_TPS65090=m +CONFIG_REGULATOR_TPS65218=m CONFIG_REGULATOR_TPS6586X=m CONFIG_REGULATOR_TPS65910=m CONFIG_REGULATOR_TPS65912=m @@ -2666,6 +2815,7 @@ CONFIG_VIDEO_V4L2=y # CONFIG_VIDEO_FIXED_MINOR_RANGES is not set CONFIG_VIDEO_TUNER=m CONFIG_V4L2_MEM2MEM_DEV=m +CONFIG_V4L2_FLASH_LED_CLASS=m CONFIG_VIDEOBUF_GEN=m CONFIG_VIDEOBUF_VMALLOC=m CONFIG_VIDEOBUF_DVB=m @@ -2878,6 +3028,7 @@ CONFIG_MEDIA_PCI_SUPPORT=y # CONFIG_VIDEO_MXB is not set # CONFIG_VIDEO_SOLO6X10 is not set # CONFIG_VIDEO_TW68 is not set +# CONFIG_VIDEO_DT3155 is not set # # Media capture/analog/hybrid TV support @@ -2892,6 +3043,7 @@ CONFIG_DVB_SMIPCIE=m CONFIG_V4L_PLATFORM_DRIVERS=y CONFIG_SOC_CAMERA=m CONFIG_SOC_CAMERA_PLATFORM=m +# CONFIG_VIDEO_XILINX is not set CONFIG_V4L_MEM2MEM_DRIVERS=y CONFIG_VIDEO_MEM2MEM_DEINTERLACE=m CONFIG_VIDEO_SH_VEU=m @@ -3057,6 +3209,7 @@ CONFIG_DVB_TUNER_ITD1000=m CONFIG_DVB_TUNER_CX24113=m CONFIG_DVB_TDA826X=m CONFIG_DVB_CX24116=m +CONFIG_DVB_CX24120=m CONFIG_DVB_SI21XX=m CONFIG_DVB_TS2020=m CONFIG_DVB_DS3000=m @@ -3151,6 +3304,7 @@ CONFIG_VGA_ARB_MAX_GPUS=16 # Direct Rendering Manager # CONFIG_DRM=m +CONFIG_DRM_MIPI_DSI=y CONFIG_DRM_KMS_HELPER=m CONFIG_DRM_KMS_FB_HELPER=y # CONFIG_DRM_LOAD_EDID_FIRMWARE is not set @@ -3160,8 +3314,22 @@ CONFIG_DRM_TTM=m # I2C encoder or helper chips # # CONFIG_DRM_I2C_ADV7511 is not set +# CONFIG_DRM_I2C_CH7006 is not set +# CONFIG_DRM_I2C_SIL164 is not set +CONFIG_DRM_PTN3460=m +CONFIG_DRM_PS8622=m CONFIG_DRM_TDFX=m CONFIG_DRM_R128=m +CONFIG_DRM_RADEON=m +# CONFIG_DRM_RADEON_USERPTR is not set +# CONFIG_DRM_RADEON_UMS is not set +CONFIG_DRM_AMDGPU=m +CONFIG_DRM_AMDGPU_CIK=y +CONFIG_DRM_AMDGPU_USERPTR=y +CONFIG_DRM_NOUVEAU=m +CONFIG_NOUVEAU_DEBUG=5 +CONFIG_NOUVEAU_DEBUG_DEFAULT=3 +CONFIG_DRM_NOUVEAU_BACKLIGHT=y CONFIG_DRM_MGA=m CONFIG_DRM_VIA=m CONFIG_DRM_SAVAGE=m @@ -3174,11 +3342,15 @@ CONFIG_DRM_MGAG200=m CONFIG_DRM_CIRRUS_QEMU=m CONFIG_DRM_QXL=m CONFIG_DRM_BOCHS=m +CONFIG_DRM_VIRTIO_GPU=m CONFIG_DRM_PANEL=y # # Display Panels # +CONFIG_DRM_PANEL_SIMPLE=m +CONFIG_DRM_PANEL_S6E8AA0=m +CONFIG_DRM_PANEL_SHARP_LQ101R1SX01=m # # Frame buffer Devices @@ -3200,6 +3372,8 @@ CONFIG_FB_SYS_FOPS=m CONFIG_FB_DEFERRED_IO=y # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set +CONFIG_FB_BACKLIGHT=y +# CONFIG_FB_MODE_HELPERS is not set CONFIG_FB_TILEBLITTING=y # @@ -3241,6 +3415,7 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_BROADSHEET is not set # CONFIG_FB_AUO_K190X is not set # CONFIG_FB_SIMPLE is not set +# CONFIG_FB_SSD1307 is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=m CONFIG_BACKLIGHT_CLASS_DEVICE=y @@ -3263,6 +3438,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_BACKLIGHT_LV5207LP is not set # CONFIG_BACKLIGHT_BD6107 is not set # CONFIG_VGASTATE is not set +CONFIG_VIDEOMODE_HELPERS=y CONFIG_HDMI=y # @@ -3297,11 +3473,11 @@ CONFIG_SND_SEQ_HRTIMER_DEFAULT=y CONFIG_SND_DYNAMIC_MINORS=y CONFIG_SND_MAX_CARDS=32 # CONFIG_SND_SUPPORT_OLD_API is not set +CONFIG_SND_PROC_FS=y CONFIG_SND_VERBOSE_PROCFS=y CONFIG_SND_VERBOSE_PRINTK=y # CONFIG_SND_DEBUG is not set CONFIG_SND_VMASTER=y -CONFIG_SND_KCTL_JACK=y CONFIG_SND_RAWMIDI_SEQ=m CONFIG_SND_OPL3_LIB_SEQ=m # CONFIG_SND_OPL4_LIB_SEQ is not set @@ -3390,12 +3566,10 @@ CONFIG_SND_YMFPCI=m # CONFIG_SND_HDA=m CONFIG_SND_HDA_INTEL=m -CONFIG_SND_HDA_PREALLOC_SIZE=64 CONFIG_SND_HDA_HWDEP=y CONFIG_SND_HDA_RECONFIG=y CONFIG_SND_HDA_INPUT_BEEP=y CONFIG_SND_HDA_INPUT_BEEP_MODE=1 -CONFIG_SND_HDA_INPUT_JACK=y # CONFIG_SND_HDA_PATCH_LOADER is not set CONFIG_SND_HDA_CODEC_REALTEK=m CONFIG_SND_HDA_CODEC_ANALOG=m @@ -3412,6 +3586,7 @@ CONFIG_SND_HDA_CODEC_SI3054=m CONFIG_SND_HDA_GENERIC=m CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0 CONFIG_SND_HDA_CORE=m +CONFIG_SND_HDA_PREALLOC_SIZE=64 CONFIG_SND_USB=y CONFIG_SND_USB_AUDIO=m CONFIG_SND_USB_UA101=m @@ -3541,6 +3716,7 @@ CONFIG_USB_OTG=y # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set CONFIG_USB_OTG_FSM=m +CONFIG_USB_ULPI_BUS=m CONFIG_USB_MON=m CONFIG_USB_WUSB_CBAF=m # CONFIG_USB_WUSB_CBAF_DEBUG is not set @@ -3620,6 +3796,7 @@ CONFIG_USB_MUSB_HOST=y # Platform Glue Layer # CONFIG_USB_DWC3=m +CONFIG_USB_DWC3_ULPI=y CONFIG_USB_DWC3_HOST=y # @@ -3637,11 +3814,11 @@ CONFIG_USB_DWC2_HOST=y # # Gadget/Dual-role mode requires USB Gadget support to be enabled # -CONFIG_USB_DWC2_PLATFORM=y CONFIG_USB_DWC2_PCI=y # CONFIG_USB_DWC2_DEBUG is not set # CONFIG_USB_DWC2_TRACK_MISSED_SOFS is not set CONFIG_USB_CHIPIDEA=m +CONFIG_USB_CHIPIDEA_OF=m CONFIG_USB_CHIPIDEA_PCI=m # CONFIG_USB_CHIPIDEA_HOST is not set # CONFIG_USB_CHIPIDEA_DEBUG is not set @@ -3769,6 +3946,8 @@ CONFIG_MMC_BLOCK_BOUNCE=y CONFIG_MMC_SDHCI=m CONFIG_MMC_SDHCI_PCI=m CONFIG_MMC_SDHCI_PLTFM=m +CONFIG_MMC_SDHCI_OF_ARASAN=m +CONFIG_MMC_SDHCI_F_SDH30=m CONFIG_MMC_TIFM_SD=m CONFIG_MMC_CB710=m CONFIG_MMC_VIA_SDMMC=m @@ -3777,6 +3956,7 @@ CONFIG_MMC_USHC=m CONFIG_MMC_USDHI6ROL0=m CONFIG_MMC_REALTEK_USB=m CONFIG_MMC_TOSHIBA_PCI=m +CONFIG_MMC_MTK=m CONFIG_MEMSTICK=m # CONFIG_MEMSTICK_DEBUG is not set @@ -3802,6 +3982,8 @@ CONFIG_LEDS_CLASS_FLASH=m # LED drivers # CONFIG_LEDS_88PM860X=m +CONFIG_LEDS_BCM6328=m +CONFIG_LEDS_BCM6358=m CONFIG_LEDS_LM3530=m CONFIG_LEDS_LM3533=m CONFIG_LEDS_LM3642=m @@ -3826,14 +4008,18 @@ CONFIG_LEDS_REGULATOR=m CONFIG_LEDS_LT3593=m CONFIG_LEDS_ADP5520=m CONFIG_LEDS_TCA6507=m +CONFIG_LEDS_TLC591XX=m +CONFIG_LEDS_MAX77693=m CONFIG_LEDS_MAX8997=m CONFIG_LEDS_LM355x=m CONFIG_LEDS_MENF21BMC=m +CONFIG_LEDS_KTD2692=m # # LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) # CONFIG_LEDS_BLINKM=m +CONFIG_LEDS_SYSCON=y CONFIG_LEDS_PM8941_WLED=m # @@ -3855,11 +4041,13 @@ CONFIG_LEDS_TRIGGER_TRANSIENT=m CONFIG_LEDS_TRIGGER_CAMERA=m # CONFIG_ACCESSIBILITY is not set # CONFIG_INFINIBAND is not set +CONFIG_EDAC_SUPPORT=y CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y -CONFIG_RTC_SYSTOHC=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +CONFIG_RTC_SYSTOHC=y +CONFIG_RTC_SYSTOHC_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # @@ -3878,17 +4066,22 @@ CONFIG_RTC_DRV_88PM860X=m CONFIG_RTC_DRV_88PM80X=m CONFIG_RTC_DRV_ABB5ZES3=m CONFIG_RTC_DRV_ABX80X=m +CONFIG_RTC_DRV_AS3722=m CONFIG_RTC_DRV_DS1307=m CONFIG_RTC_DRV_DS1374=m CONFIG_RTC_DRV_DS1374_WDT=y CONFIG_RTC_DRV_DS1672=m CONFIG_RTC_DRV_DS3232=m +CONFIG_RTC_DRV_HYM8563=m CONFIG_RTC_DRV_LP8788=m CONFIG_RTC_DRV_MAX6900=m CONFIG_RTC_DRV_MAX8907=m CONFIG_RTC_DRV_MAX8925=m CONFIG_RTC_DRV_MAX8998=m CONFIG_RTC_DRV_MAX8997=m +CONFIG_RTC_DRV_MAX77686=m +CONFIG_RTC_DRV_RK808=m +CONFIG_RTC_DRV_MAX77802=m CONFIG_RTC_DRV_RS5C372=m CONFIG_RTC_DRV_ISL1208=m CONFIG_RTC_DRV_ISL12022=m @@ -3953,7 +4146,8 @@ CONFIG_RTC_DRV_WM8350=m # # on-CPU RTC drivers # -CONFIG_RTC_DRV_XGENE=m +CONFIG_RTC_DRV_SNVS=m +CONFIG_RTC_DRV_MT6397=m # # HID Sensor RTC drivers @@ -3967,8 +4161,10 @@ CONFIG_DMADEVICES=y # CONFIG_HSU_DMA=m CONFIG_HSU_DMA_PCI=m +CONFIG_FSL_EDMA=m CONFIG_DMA_ENGINE=y CONFIG_DMA_VIRTUAL_CHANNELS=m +CONFIG_DMA_OF=y # # DMA Clients @@ -3981,6 +4177,8 @@ CONFIG_UIO=m # CONFIG_UIO_PDRV_GENIRQ is not set # CONFIG_UIO_DMEM_GENIRQ is not set # CONFIG_UIO_NETX is not set +# CONFIG_UIO_PRUSS is not set +# CONFIG_VFIO is not set CONFIG_VIRT_DRIVERS=y CONFIG_VIRTIO=m @@ -4096,6 +4294,7 @@ CONFIG_SENSORS_HMC5843_I2C=m # # Android # +# CONFIG_STAGING_BOARD is not set # CONFIG_USB_WPAN_HCD is not set # CONFIG_WIMAX_GDM72XX is not set # CONFIG_LTE_GDM724X is not set @@ -4103,8 +4302,6 @@ CONFIG_SENSORS_HMC5843_I2C=m # CONFIG_DGNC is not set # CONFIG_DGAP is not set # CONFIG_GS_FPGABOOT is not set -CONFIG_I2O=m -CONFIG_I2O_EXT_ADAPTEC=y CONFIG_CLKDEV_LOOKUP=y CONFIG_HAVE_CLK_PREPARE=y CONFIG_COMMON_CLK=y @@ -4112,7 +4309,12 @@ CONFIG_COMMON_CLK=y # # Common Clock Framework # +CONFIG_COMMON_CLK_MAX_GEN=y +CONFIG_COMMON_CLK_MAX77802=m +CONFIG_COMMON_CLK_RK808=m CONFIG_COMMON_CLK_SI5351=m +CONFIG_COMMON_CLK_SI570=m +CONFIG_COMMON_CLK_CDCE925=m CONFIG_COMMON_CLK_S2MPS11=m CONFIG_CLK_TWL6040=m CONFIG_COMMON_CLK_PALMAS=m @@ -4132,11 +4334,13 @@ CONFIG_COMMON_CLK_CDCE706=m # CONFIG_EM_TIMER_STI is not set CONFIG_MAILBOX=y CONFIG_ALTERA_MBOX=m +CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y # # Generic IOMMU Pagetable Support # +CONFIG_OF_IOMMU=y # # Remoteproc drivers @@ -4186,6 +4390,8 @@ CONFIG_IIO_CONSUMERS_PER_TRIGGER=2 CONFIG_KXCJK1013=m # CONFIG_MMA9551 is not set # CONFIG_MMA9553 is not set +# CONFIG_STK8312 is not set +# CONFIG_STK8BA50 is not set # # Analog to digital converters @@ -4201,6 +4407,7 @@ CONFIG_KXCJK1013=m # CONFIG_QCOM_SPMI_VADC is not set # CONFIG_TI_ADC081C is not set CONFIG_TWL4030_MADC=m +CONFIG_VF610_ADC=m # CONFIG_VIPERBOARD_ADC is not set # @@ -4225,7 +4432,9 @@ CONFIG_IIO_ST_SENSORS_CORE=m # CONFIG_AD5064 is not set # CONFIG_AD5380 is not set # CONFIG_AD5446 is not set +# CONFIG_M62332 is not set # CONFIG_MAX517 is not set +CONFIG_MAX5821=m # CONFIG_MCP4725 is not set # @@ -4267,6 +4476,7 @@ CONFIG_DHT11=m # CONFIG_ADJD_S311 is not set # CONFIG_AL3320A is not set # CONFIG_APDS9300 is not set +# CONFIG_BH1750 is not set CONFIG_CM32181=m # CONFIG_CM3232 is not set # CONFIG_CM3323 is not set @@ -4278,6 +4488,7 @@ CONFIG_CM32181=m # CONFIG_JSA1212 is not set # CONFIG_SENSORS_LM3533 is not set # CONFIG_LTR501 is not set +# CONFIG_STK3310 is not set # CONFIG_TCS3414 is not set # CONFIG_TCS3472 is not set # CONFIG_SENSORS_TSL2563 is not set @@ -4291,7 +4502,9 @@ CONFIG_CM32181=m # CONFIG_AK09911 is not set # CONFIG_MAG3110 is not set # CONFIG_HID_SENSOR_MAGNETOMETER_3D is not set +# CONFIG_MMC35240 is not set # CONFIG_IIO_ST_MAGN_3AXIS is not set +# CONFIG_BMC150_MAGN is not set # # Inclinometer sensors @@ -4331,7 +4544,9 @@ CONFIG_IIO_ST_PRESS_I2C=m # # CONFIG_MLX90614 is not set # CONFIG_TMP006 is not set +# CONFIG_NTB is not set # CONFIG_VME_BUS is not set +CONFIG_IRQCHIP=y # CONFIG_IPACK_BUS is not set CONFIG_RESET_CONTROLLER=y # CONFIG_FMC is not set @@ -4340,8 +4555,11 @@ CONFIG_RESET_CONTROLLER=y # PHY Subsystem # CONFIG_GENERIC_PHY=y +CONFIG_PHY_PXA_28NM_HSIC=m +CONFIG_PHY_PXA_28NM_USB2=m CONFIG_BCM_KONA_USB2_PHY=m CONFIG_PHY_SAMSUNG_USB2=m +CONFIG_PHY_TUSB1210=m # CONFIG_POWERCAP is not set # CONFIG_MCB is not set CONFIG_RAS=y @@ -4363,6 +4581,7 @@ CONFIG_THUNDERBOLT=m # # File systems # +CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set CONFIG_EXT4_FS=y @@ -4450,6 +4669,8 @@ CONFIG_FAT_DEFAULT_IOCHARSET="ascii" # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_PROC_CHILDREN=y CONFIG_KERNFS=y CONFIG_SYSFS=y CONFIG_TMPFS=y @@ -4534,6 +4755,7 @@ CONFIG_CIFS_ACL=y # CONFIG_CIFS_DEBUG is not set CONFIG_CIFS_DFS_UPCALL=y CONFIG_CIFS_SMB2=y +CONFIG_CIFS_SMB311=y CONFIG_CIFS_FSCACHE=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set @@ -4628,12 +4850,15 @@ CONFIG_DEBUG_KERNEL=y # Memory Debugging # # CONFIG_PAGE_EXTENSION is not set +# CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_STATS is not set CONFIG_HAVE_DEBUG_KMEMLEAK=y # CONFIG_DEBUG_KMEMLEAK is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_VM is not set CONFIG_DEBUG_MEMORY_INIT=y +# CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_SHIRQ=y # @@ -4647,6 +4872,7 @@ CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 CONFIG_PANIC_ON_OOPS_VALUE=0 CONFIG_PANIC_TIMEOUT=120 # CONFIG_SCHED_DEBUG is not set +CONFIG_SCHED_INFO=y CONFIG_SCHEDSTATS=y CONFIG_SCHED_STACK_END_CHECK=y # CONFIG_DEBUG_TIMEKEEPING is not set @@ -4658,6 +4884,10 @@ CONFIG_TIMER_STATS=y # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_ATOMIC_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_LOCK_TORTURE_TEST is not set @@ -4677,7 +4907,9 @@ CONFIG_DEBUG_LIST=y # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_TORTURE_TEST is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_INFO is not set # CONFIG_RCU_TRACE is not set +# CONFIG_RCU_EQS_DEBUG is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_NOTIFIER_ERROR_INJECTION is not set # CONFIG_FAULT_INJECTION is not set @@ -4743,143 +4975,12 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set CONFIG_STRICT_DEVMEM=y +CONFIG_DEBUG_RODATA=y +# CONFIG_DEBUG_SET_MODULE_RONX is not set # # Security options # - -# -# Grsecurity -# -CONFIG_PAX_USERCOPY_SLABS=y -CONFIG_GRKERNSEC=y -# CONFIG_GRKERNSEC_CONFIG_AUTO is not set -CONFIG_GRKERNSEC_CONFIG_CUSTOM=y -CONFIG_GRKERNSEC_PROC_GID=10 - -# -# Customize Configuration -# - -# -# PaX -# - -# -# PaX Control -# - -# -# Non-executable pages -# - -# -# Address Space Layout Randomization -# - -# -# Miscellaneous hardening features -# -CONFIG_PAX_MEMORY_SANITIZE=y -CONFIG_PAX_MEMORY_STRUCTLEAK=y -CONFIG_PAX_LATENT_ENTROPY=y - -# -# Memory Protections -# -CONFIG_GRKERNSEC_KMEM=y -CONFIG_GRKERNSEC_BPF_HARDEN=y -# CONFIG_GRKERNSEC_PERF_HARDEN is not set -CONFIG_GRKERNSEC_BRUTE=y -# CONFIG_GRKERNSEC_MODHARDEN is not set -CONFIG_GRKERNSEC_HIDESYM=y -CONFIG_GRKERNSEC_RANDSTRUCT=y -CONFIG_GRKERNSEC_RANDSTRUCT_PERFORMANCE=y - -# -# Role Based Access Control Options -# -CONFIG_GRKERNSEC_NO_RBAC=y -# CONFIG_GRKERNSEC_ACL_HIDEKERN is not set -CONFIG_GRKERNSEC_ACL_MAXTRIES=3 -CONFIG_GRKERNSEC_ACL_TIMEOUT=30 - -# -# Filesystem Protections -# -CONFIG_GRKERNSEC_PROC=y -# CONFIG_GRKERNSEC_PROC_USER is not set -CONFIG_GRKERNSEC_PROC_USERGROUP=y -CONFIG_GRKERNSEC_PROC_ADD=y -CONFIG_GRKERNSEC_LINK=y -# CONFIG_GRKERNSEC_SYMLINKOWN is not set -CONFIG_GRKERNSEC_FIFO=y -CONFIG_GRKERNSEC_SYSFS_RESTRICT=y -# CONFIG_GRKERNSEC_ROFS is not set -CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL=y -CONFIG_GRKERNSEC_CHROOT=y -CONFIG_GRKERNSEC_CHROOT_MOUNT=y -CONFIG_GRKERNSEC_CHROOT_DOUBLE=y -CONFIG_GRKERNSEC_CHROOT_PIVOT=y -CONFIG_GRKERNSEC_CHROOT_CHDIR=y -# CONFIG_GRKERNSEC_CHROOT_CHMOD is not set -CONFIG_GRKERNSEC_CHROOT_FCHDIR=y -# CONFIG_GRKERNSEC_CHROOT_MKNOD is not set -CONFIG_GRKERNSEC_CHROOT_SHMAT=y -CONFIG_GRKERNSEC_CHROOT_UNIX=y -CONFIG_GRKERNSEC_CHROOT_FINDTASK=y -CONFIG_GRKERNSEC_CHROOT_NICE=y -CONFIG_GRKERNSEC_CHROOT_SYSCTL=y -# CONFIG_GRKERNSEC_CHROOT_RENAME is not set -# CONFIG_GRKERNSEC_CHROOT_CAPS is not set -CONFIG_GRKERNSEC_CHROOT_INITRD=y - -# -# Kernel Auditing -# -# CONFIG_GRKERNSEC_AUDIT_GROUP is not set -# CONFIG_GRKERNSEC_EXECLOG is not set -CONFIG_GRKERNSEC_RESLOG=y -# CONFIG_GRKERNSEC_CHROOT_EXECLOG is not set -# CONFIG_GRKERNSEC_AUDIT_PTRACE is not set -# CONFIG_GRKERNSEC_AUDIT_CHDIR is not set -# CONFIG_GRKERNSEC_AUDIT_MOUNT is not set -CONFIG_GRKERNSEC_SIGNAL=y -CONFIG_GRKERNSEC_FORKFAIL=y -# CONFIG_GRKERNSEC_TIME is not set -CONFIG_GRKERNSEC_PROC_IPADDR=y - -# -# Executable Protections -# -CONFIG_GRKERNSEC_DMESG=y -CONFIG_GRKERNSEC_HARDEN_PTRACE=y -CONFIG_GRKERNSEC_PTRACE_READEXEC=y -CONFIG_GRKERNSEC_HARDEN_IPC=y -# CONFIG_GRKERNSEC_TPE is not set - -# -# Network Protections -# -CONFIG_GRKERNSEC_BLACKHOLE=y -CONFIG_GRKERNSEC_NO_SIMULT_CONNECT=y -# CONFIG_GRKERNSEC_SOCKET is not set - -# -# Physical Protections -# -# CONFIG_GRKERNSEC_DENYUSB is not set - -# -# Sysctl Support -# -# CONFIG_GRKERNSEC_SYSCTL is not set - -# -# Logging Options -# -CONFIG_GRKERNSEC_FLOODTIME=10 -CONFIG_GRKERNSEC_FLOODBURST=6 CONFIG_KEYS=y CONFIG_PERSISTENT_KEYRINGS=y # CONFIG_BIG_KEYS is not set @@ -4901,6 +5002,7 @@ CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 # CONFIG_SECURITY_SMACK is not set # CONFIG_SECURITY_TOMOYO is not set # CONFIG_SECURITY_APPARMOR is not set +# CONFIG_SECURITY_YAMA is not set CONFIG_INTEGRITY=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y @@ -4931,13 +5033,18 @@ CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG=y CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_RNG_DEFAULT=y CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_PCOMP2=y +CONFIG_CRYPTO_AKCIPHER2=y +CONFIG_CRYPTO_AKCIPHER=m +CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_USER is not set # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set -CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_NULL=y +CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_WORKQUEUE=y CONFIG_CRYPTO_CRYPTD=y CONFIG_CRYPTO_MCRYPTD=m @@ -4949,7 +5056,9 @@ CONFIG_CRYPTO_TEST=m # CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m +CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_SEQIV=y +CONFIG_CRYPTO_ECHAINIV=m # # Block modes @@ -4975,6 +5084,7 @@ CONFIG_CRYPTO_CRC32C=y CONFIG_CRYPTO_CRC32=y CONFIG_CRYPTO_CRCT10DIF=y CONFIG_CRYPTO_GHASH=m +CONFIG_CRYPTO_POLY1305=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_MICHAEL_MIC=m @@ -5004,6 +5114,7 @@ CONFIG_CRYPTO_DES=m CONFIG_CRYPTO_FCRYPT=m CONFIG_CRYPTO_KHAZAD=m CONFIG_CRYPTO_SALSA20=m +CONFIG_CRYPTO_CHACHA20=m CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m @@ -5016,6 +5127,7 @@ CONFIG_CRYPTO_TWOFISH_COMMON=m CONFIG_CRYPTO_DEFLATE=m CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m +CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m @@ -5023,11 +5135,17 @@ CONFIG_CRYPTO_LZ4HC=m # Random Number Generation # CONFIG_CRYPTO_ANSI_CPRNG=m -# CONFIG_CRYPTO_DRBG_MENU is not set +CONFIG_CRYPTO_DRBG_MENU=y +CONFIG_CRYPTO_DRBG_HMAC=y +CONFIG_CRYPTO_DRBG_HASH=y +CONFIG_CRYPTO_DRBG_CTR=y +CONFIG_CRYPTO_DRBG=y +CONFIG_CRYPTO_JITTERENTROPY=y CONFIG_CRYPTO_USER_API=y CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_USER_API_SKCIPHER=y CONFIG_CRYPTO_USER_API_RNG=y +CONFIG_CRYPTO_USER_API_AEAD=y CONFIG_CRYPTO_HASH_INFO=y CONFIG_CRYPTO_HW=y CONFIG_ASYMMETRIC_KEY_TYPE=y @@ -5050,6 +5168,7 @@ CONFIG_GENERIC_STRNLEN_USER=y CONFIG_GENERIC_NET_UTILS=y CONFIG_GENERIC_PCI_IOMAP=y CONFIG_GENERIC_IO=y +CONFIG_PERCPU_RWSEM=y CONFIG_CRC_CCITT=y CONFIG_CRC16=y CONFIG_CRC_T10DIF=y @@ -5064,6 +5183,8 @@ CONFIG_CRC7=m CONFIG_LIBCRC32C=m CONFIG_CRC8=m CONFIG_RANDOM32_SELFTEST=y +CONFIG_842_COMPRESS=m +CONFIG_842_DECOMPRESS=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y @@ -5091,10 +5212,12 @@ CONFIG_TEXTSEARCH=y CONFIG_TEXTSEARCH_KMP=m CONFIG_TEXTSEARCH_BM=m CONFIG_TEXTSEARCH_FSM=m +CONFIG_INTERVAL_TREE=y CONFIG_ASSOCIATIVE_ARRAY=y CONFIG_HAS_IOMEM=y CONFIG_HAS_DMA=y CONFIG_CHECK_SIGNATURE=y +CONFIG_CPU_RMAP=y CONFIG_DQL=y CONFIG_GLOB=y # CONFIG_GLOB_SELFTEST is not set diff --git a/kernel/config-i686-default b/kernel/config-i686-default index e35bd6d..c54e3ee 100644 --- a/kernel/config-i686-default +++ b/kernel/config-i686-default @@ -18,11 +18,6 @@ CONFIG_NO_HZ_IDLE=y CONFIG_IRQ_TIME_ACCOUNTING=y # -# RCU Subsystem -# -CONFIG_RCU_FANOUT=32 - -# # Kernel Performance Events And Counters # CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y @@ -70,7 +65,6 @@ CONFIG_M686=y # CONFIG_MVIAC7 is not set CONFIG_X86_GENERIC=y # CONFIG_X86_PPRO_FENCE is not set -CONFIG_X86_ALIGNMENT_16=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_X86_MINIMUM_CPU_FAMILY=5 @@ -79,6 +73,7 @@ CONFIG_CPU_SUP_TRANSMETA_32=y CONFIG_CPU_SUP_UMC_32=y # CONFIG_X86_ANCIENT_MCE is not set CONFIG_VM86=y +CONFIG_X86_ESPFIX32=y CONFIG_TOSHIBA=m # CONFIG_X86_REBOOTFIXUPS is not set # CONFIG_NOHIGHMEM is not set @@ -162,6 +157,11 @@ CONFIG_PCI_BIOS=y # CONFIG_HOTPLUG_PCI_SHPC is not set # +# Executable file formats / Emulations +# +# CONFIG_BINFMT_AOUT is not set + +# # Misc devices # CONFIG_IBM_ASM=m @@ -194,6 +194,7 @@ CONFIG_PCH_GBE=m # # Input Device Drivers # +# CONFIG_KEYBOARD_STMPE is not set # CONFIG_INPUT_WISTRON_BTNS is not set # @@ -220,6 +221,7 @@ CONFIG_I2C_SIS630=m # CONFIG_I2C_DESIGNWARE_BAYTRAIL=y # CONFIG_I2C_EG20T is not set +# CONFIG_I2C_PXA is not set # # Other I2C/SMBus bus drivers @@ -234,24 +236,39 @@ CONFIG_PTP_1588_CLOCK_PCH=m # # MFD GPIO expanders # -# CONFIG_GPIO_CS5535 is not set +CONFIG_GPIO_CS5535=m +# CONFIG_GPIO_TC3589X is not set # # PCI GPIO expanders # -# CONFIG_GPIO_PCH is not set +CONFIG_GPIO_PCH=m + +# +# USB GPIO expanders +# +# CONFIG_POWER_RESET_AS3722 is not set + +# +# ACPI drivers +# +CONFIG_INTEL_QUARK_DTS_THERMAL=m # # Watchdog Device Drivers # CONFIG_GEODE_WDT=m -# CONFIG_SBC8360_WDT is not set -# CONFIG_SBC7240_WDT is not set +CONFIG_SBC8360_WDT=m +CONFIG_SBC7240_WDT=m # # Multifunction device drivers # CONFIG_MFD_CS5535=m + +# +# STMicroelectronics STMPE Interface Drivers +# # CONFIG_MFD_TIMBERDALE is not set # @@ -279,6 +296,7 @@ CONFIG_VIDEO_OV7670=m # # CONFIG_FB_I810 is not set # CONFIG_FB_GEODE is not set +# CONFIG_BACKLIGHT_OT200 is not set # # Console display driver support @@ -310,6 +328,7 @@ CONFIG_PCH_DMA=m # # Android # +# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set CONFIG_TC1100_WMI=m CONFIG_INTEL_IMR=y @@ -329,24 +348,7 @@ CONFIG_CLKSRC_I8253=y # CONFIG_DEBUG_IMR_SELFTEST is not set # -# Grsecurity -# -CONFIG_ARCH_TRACK_EXEC_LIMIT=y - -# -# Non-executable pages -# -CONFIG_PAX_SEGMEXEC=y -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="" -CONFIG_PAX_KERNEXEC_MODULE_TEXT=8 - -# -# Memory Protections -# -CONFIG_GRKERNSEC_VM86=y - -# -# Logging Options +# Security options # # CONFIG_INTEL_TXT is not set @@ -359,7 +361,7 @@ CONFIG_CRYPTO_GLUE_HELPER_X86=m # Ciphers # CONFIG_CRYPTO_AES_586=y -# CONFIG_CRYPTO_SALSA20_586 is not set +CONFIG_CRYPTO_SALSA20_586=m CONFIG_CRYPTO_SERPENT_SSE2_586=m CONFIG_CRYPTO_TWOFISH_586=m diff --git a/kernel/config-i686-legacy b/kernel/config-i686-legacy index 37098b7..b6253f5 100644 --- a/kernel/config-i686-legacy +++ b/kernel/config-i686-legacy @@ -7,16 +7,7 @@ CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set # CONFIG_VMSPLIT_3G_OPT is not set # CONFIG_VMSPLIT_2G_OPT is not set - -# -# Power management and ACPI options -# -CONFIG_PM_OPP=y - -# -# CPU frequency scaling drivers -# -CONFIG_CPUFREQ_DT=m +# CONFIG_PHYS_ADDR_T_64BIT is not set # # Bus options (PCI etc.) @@ -51,49 +42,13 @@ CONFIG_CMA_ALIGNMENT=8 # # Bus devices # -CONFIG_OF=y - -# -# Device Tree and Open Firmware support -# CONFIG_OF_PROMTREE=y -CONFIG_OF_ADDRESS=y -CONFIG_OF_ADDRESS_PCI=y -CONFIG_OF_IRQ=y -CONFIG_OF_NET=y -CONFIG_OF_MDIO=y -CONFIG_OF_PCI=y -CONFIG_OF_PCI_IRQ=y -# CONFIG_OF_OVERLAY is not set - -# -# PIO-only SFF controllers -# -# CONFIG_PATA_OF_PLATFORM is not set - -# -# Distributed Switch Architecture drivers -# -CONFIG_ARC_EMAC_CORE=m -# CONFIG_ARC_EMAC is not set -CONFIG_EMAC_ROCKCHIP=m -CONFIG_SYSTEMPORT=m - -# -# MII PHY device drivers -# -CONFIG_MDIO_BUS_MUX=m -CONFIG_MDIO_BUS_MUX_GPIO=m -CONFIG_MDIO_BUS_MUX_MMIOREG=m # # Input Device Drivers # CONFIG_KEYBOARD_STMPE=m -CONFIG_KEYBOARD_OMAP4=m CONFIG_KEYBOARD_TC3589X=m -CONFIG_KEYBOARD_CAP11XX=m -CONFIG_KEYBOARD_BCM=m CONFIG_MOUSE_PS2_OLPC=y CONFIG_INPUT_MAX77693_HAPTIC=m CONFIG_INPUT_MAX8997_HAPTIC=m @@ -103,7 +58,6 @@ CONFIG_INPUT_PWM_BEEPER=m # # Hardware I/O ports # -CONFIG_SERIO_APBPS2=m # CONFIG_SERIO_OLPC_APSP is not set # @@ -115,65 +69,22 @@ CONFIG_SERIO_APBPS2=m # Non-8250 serial port support # CONFIG_SERIAL_OF_PLATFORM=y -# CONFIG_SERIAL_XILINX_PS_UART is not set -CONFIG_SERIAL_CONEXANT_DIGICOLOR=m - -# -# Multiplexer I2C Chip support -# -# CONFIG_I2C_ARB_GPIO_CHALLENGE is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_PXA=m -CONFIG_I2C_PXA_PCI=y -CONFIG_I2C_RK3X=m # # Pin controllers # CONFIG_PINCTRL_AS3722=y -# CONFIG_PINCTRL_SINGLE is not set -CONFIG_PINCTRL_PALMAS=y -CONFIG_OF_GPIO=y - -# -# Memory mapped GPIO drivers -# -CONFIG_GPIO_74XX_MMIO=m -CONFIG_GPIO_ALTERA=m -# CONFIG_GPIO_GRGPIO is not set -# CONFIG_GPIO_SYSCON is not set -# CONFIG_GPIO_XILINX is not set - -# -# I2C GPIO expanders -# -CONFIG_GPIO_ADNP=m # # MFD GPIO expanders # CONFIG_GPIO_CS5535=y -# CONFIG_GPIO_STMPE is not set -# CONFIG_GPIO_TC3589X is not set - -# -# PCI GPIO expanders -# -# CONFIG_GPIO_SODAVILLE is not set # # USB GPIO expanders # CONFIG_BATTERY_OLPC=y CONFIG_POWER_RESET_AS3722=y -CONFIG_POWER_RESET_GPIO=y -CONFIG_POWER_RESET_GPIO_RESTART=y -CONFIG_POWER_RESET_LTC2952=y -CONFIG_POWER_RESET_SYSCON=y -CONFIG_POWER_RESET_SYSCON_POWEROFF=y # # Native drivers @@ -184,74 +95,24 @@ CONFIG_SENSORS_PWM_FAN=m # ACPI drivers # # CONFIG_THERMAL_OF is not set -CONFIG_CLOCK_THERMAL=y - -# -# Watchdog Device Drivers -# -# CONFIG_GPIO_WATCHDOG is not set # # Multifunction device drivers # -CONFIG_MFD_AS3722=y -CONFIG_MFD_ATMEL_HLCDC=m -CONFIG_MFD_HI6421_PMIC=m -CONFIG_MFD_MAX77686=y CONFIG_MFD_RK808=y -CONFIG_MFD_STMPE=y # # STMicroelectronics STMPE Interface Drivers # -CONFIG_STMPE_I2C=y -CONFIG_MFD_TC3589X=y -CONFIG_REGULATOR_AS3722=m -CONFIG_REGULATOR_HI6421=m -CONFIG_REGULATOR_MAX77686=m -CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_PWM=m -CONFIG_REGULATOR_RK808=m -CONFIG_REGULATOR_TPS65218=m - -# -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_XILINX is not set - -# -# I2C encoder or helper chips -# -CONFIG_DRM_PTN3460=m -CONFIG_DRM_PS8622=m - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set -# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set # # Frame buffer hardware drivers # -# CONFIG_FB_SSD1307 is not set CONFIG_BACKLIGHT_PWM=m # CONFIG_BACKLIGHT_LM3630A is not set # CONFIG_BACKLIGHT_LP855X is not set # CONFIG_BACKLIGHT_LP8788 is not set -# CONFIG_BACKLIGHT_OT200 is not set - -# -# Gadget/Dual-role mode requires USB Gadget support to be enabled -# -CONFIG_USB_CHIPIDEA_OF=m - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_SDHCI_OF_ARASAN=m -CONFIG_MMC_SDHCI_F_SDH30=m # # LED drivers @@ -259,31 +120,6 @@ CONFIG_MMC_SDHCI_F_SDH30=m CONFIG_LEDS_PWM=m # -# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) -# -CONFIG_LEDS_SYSCON=y - -# -# I2C RTC drivers -# -CONFIG_RTC_DRV_AS3722=m -CONFIG_RTC_DRV_HYM8563=m -CONFIG_RTC_DRV_MAX77686=m -CONFIG_RTC_DRV_RK808=m -CONFIG_RTC_DRV_MAX77802=m - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_SNVS=m - -# -# DMA Devices -# -CONFIG_FSL_EDMA=m -CONFIG_DMA_OF=y - -# # Microsoft Hyper-V guest support # # CONFIG_FB_OLPC_DCON is not set @@ -291,37 +127,16 @@ CONFIG_DMA_OF=y # # Android # -# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set CONFIG_XO1_RFKILL=m # CONFIG_XO15_EBOOK is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_MAX_GEN=y -CONFIG_COMMON_CLK_MAX77686=m -CONFIG_COMMON_CLK_MAX77802=m -CONFIG_COMMON_CLK_RK808=m # CONFIG_COMMON_CLK_SI5351 is not set -CONFIG_COMMON_CLK_SI570=m CONFIG_COMMON_CLK_PWM=m # -# Generic IOMMU Pagetable Support -# -CONFIG_OF_IOMMU=y - -# -# Analog to digital converters -# -CONFIG_VF610_ADC=m - -# -# Digital to analog converters -# -CONFIG_MAX5821=m - -# # Temperature sensors # CONFIG_PWM=y @@ -335,12 +150,6 @@ CONFIG_PWM_LPSS_PLATFORM=m CONFIG_PWM_PCA9685=m CONFIG_PWM_TWL=m CONFIG_PWM_TWL_LED=m -CONFIG_IRQCHIP=y - -# -# Non-executable pages -# -CONFIG_PAX_KERNEXEC_MODULE_TEXT=4 # # Random Number Generation diff --git a/kernel/config-x86-generic b/kernel/config-x86-generic index cc84a77..c448f57 100644 --- a/kernel/config-x86-generic +++ b/kernel/config-x86-generic @@ -12,7 +12,6 @@ CONFIG_ARCH_HIBERNATION_POSSIBLE=y CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y -CONFIG_X86_HT=y CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_FIX_EARLYCON_MEM=y @@ -29,62 +28,45 @@ CONFIG_KERNEL_XZ=y # # IRQ subsystem # -CONFIG_GENERIC_IRQ_LEGACY_ALLOC_HWIRQ=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_GENERIC_MSI_IRQ=y -CONFIG_IRQ_FORCED_THREADING=y +CONFIG_GENERIC_MSI_IRQ_DOMAIN=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_ARCH_CLOCKSOURCE_DATA=y CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y CONFIG_GENERIC_CMOS_UPDATE=y # # RCU Subsystem # -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -CONFIG_RCU_FAST_NO_HZ=y -CONFIG_RCU_NOCB_CPU=y # CONFIG_RCU_NOCB_CPU_NONE is not set -# CONFIG_RCU_NOCB_CPU_ZERO is not set CONFIG_RCU_NOCB_CPU_ALL=y -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_PCSPKR_PLATFORM=y # # Kernel Performance Events And Counters # -# CONFIG_SLUB_DEBUG is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -CONFIG_SLUB_CPU_PARTIAL=y CONFIG_OPROFILE_NMI_TIMER=y # CONFIG_KPROBES is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_USER_RETURN_NOTIFIER=y +CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT=y CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y # # IO Schedulers # CONFIG_PREEMPT_NOTIFIERS=y -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y -CONFIG_ARCH_USE_QUEUE_RWLOCK=y -CONFIG_QUEUE_RWLOCK=y +CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y +CONFIG_QUEUED_SPINLOCKS=y +CONFIG_ARCH_USE_QUEUED_RWLOCKS=y +CONFIG_QUEUED_RWLOCKS=y # # Processor type and features # -CONFIG_SMP=y CONFIG_X86_FEATURE_NAMES=y CONFIG_X86_MPPARSE=y CONFIG_X86_EXTENDED_PLATFORM=y @@ -98,7 +80,6 @@ CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y # CONFIG_PARAVIRT_DEBUG is not set # CONFIG_PARAVIRT_SPINLOCKS is not set -# CONFIG_XEN is not set CONFIG_KVM_GUEST=y # CONFIG_KVM_DEBUG_FS is not set CONFIG_PARAVIRT_TIME_ACCOUNTING=y @@ -120,8 +101,6 @@ CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_DMI=y CONFIG_NR_CPUS=64 -CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y @@ -131,6 +110,7 @@ CONFIG_X86_MCE_AMD=y CONFIG_X86_MCE_THRESHOLD=y # CONFIG_X86_MCE_INJECT is not set CONFIG_X86_THERMAL_VECTOR=y +CONFIG_X86_16BIT=y CONFIG_I8K=m CONFIG_MICROCODE=m CONFIG_MICROCODE_INTEL=y @@ -144,18 +124,18 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_ARCH_DISCARD_MEMBLOCK=y -CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_VIRT_TO_BUS=y -CONFIG_MMU_NOTIFIER=y CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y CONFIG_MEMORY_FAILURE=y +# CONFIG_HWPOISON_INJECT is not set CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set CONFIG_GENERIC_EARLY_IOREMAP=y +CONFIG_ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_X86_PMEM_LEGACY=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y @@ -177,27 +157,28 @@ CONFIG_HZ_300=y # CONFIG_HZ_1000 is not set CONFIG_HZ=300 CONFIG_SCHED_HRTICK=y +# CONFIG_KEXEC is not set CONFIG_CRASH_DUMP=y CONFIG_RELOCATABLE=y CONFIG_RANDOMIZE_BASE=y CONFIG_X86_NEED_RELOCS=y -CONFIG_HOTPLUG_CPU=y # CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set # CONFIG_DEBUG_HOTPLUG_CPU0 is not set +# CONFIG_COMPAT_VDSO is not set # CONFIG_CMDLINE_BOOL is not set -# CONFIG_DEFAULT_MODIFY_LDT_SYSCALL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y # # Power management and ACPI options # -CONFIG_PM_SLEEP_SMP=y +# CONFIG_HIBERNATION is not set CONFIG_ACPI=y CONFIG_ACPI_LEGACY_TABLES_LOOKUP=y CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT=y CONFIG_ACPI_SLEEP=y # CONFIG_ACPI_PROCFS_POWER is not set +CONFIG_ACPI_REV_OVERRIDE_POSSIBLE=y # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_AC=y CONFIG_ACPI_BATTERY=y @@ -222,6 +203,7 @@ CONFIG_ACPI_HED=y CONFIG_ACPI_CUSTOM_METHOD=m # CONFIG_ACPI_BGRT is not set # CONFIG_ACPI_REDUCED_HARDWARE_ONLY is not set +CONFIG_ACPI_NFIT=m CONFIG_ACPI_APEI=y CONFIG_ACPI_APEI_GHES=y CONFIG_ACPI_APEI_PCIEAER=y @@ -266,7 +248,6 @@ CONFIG_INTEL_IDLE=y # CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y -CONFIG_PCI_DOMAINS=y # CONFIG_PCI_CNB20LE_QUIRK is not set CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_PCIE_ECRC=y @@ -275,6 +256,7 @@ CONFIG_PCIEAER_INJECT=m CONFIG_PCIEASPM_POWERSAVE=y CONFIG_PCI_BUS_ADDR_T_64BIT=y CONFIG_PCI_MSI=y +CONFIG_PCI_MSI_IRQ_DOMAIN=y CONFIG_PCI_STUB=y CONFIG_HT_IRQ=y CONFIG_PCI_ATS=y @@ -315,10 +297,6 @@ CONFIG_PMC_ATOM=y # Classification # CONFIG_VMWARE_VMCI_VSOCKETS=m -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y # # Bluetooth device drivers @@ -331,9 +309,7 @@ CONFIG_RFKILL_GPIO=m # # Generic Driver Options # -CONFIG_FW_LOADER_USER_HELPER=y # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set -CONFIG_WANT_DEV_COREDUMP=y CONFIG_GENERIC_CPU_AUTOPROBE=y # CONFIG_DMA_CMA is not set @@ -387,7 +363,7 @@ CONFIG_INTEL_MEI_TXE=m CONFIG_VMWARE_VMCI=m # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_IDE is not set @@ -419,6 +395,11 @@ CONFIG_ATA_ACPI=y # CONFIG_SATA_ZPODD is not set # +# PIO-only SFF controllers +# +CONFIG_PATA_OF_PLATFORM=m + +# # Generic fallback / legacy drivers # CONFIG_PATA_ACPI=m @@ -454,6 +435,7 @@ CONFIG_ATM_SOLOS=m CONFIG_VHOST_NET=m CONFIG_VHOST_RING=m CONFIG_VHOST=m +# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set # # Distributed Switch Architecture drivers @@ -518,6 +500,7 @@ CONFIG_INPUT_MATRIXKMAP=m # CONFIG_KEYBOARD_ADP5520=m CONFIG_KEYBOARD_SAMSUNG=m +CONFIG_KEYBOARD_CAP11XX=m CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_VMMOUSE=y CONFIG_INPUT_PCSPKR=m @@ -558,7 +541,9 @@ CONFIG_SERIAL_8250_FINTEK=m # Non-8250 serial port support # CONFIG_SERIAL_JSM=m +CONFIG_SERIAL_OF_PLATFORM=m CONFIG_SERIAL_SCCNXP=m +CONFIG_SERIAL_XILINX_PS_UART=m CONFIG_SERIAL_ARC=m CONFIG_SERIAL_ARC_NR_PORTS=1 CONFIG_SERIAL_RP2=m @@ -584,6 +569,7 @@ CONFIG_ACPI_I2C_OPREGION=y # # Multiplexer I2C Chip support # +CONFIG_I2C_ARB_GPIO_CHALLENGE=m CONFIG_I2C_MUX_PINCTRL=m # @@ -635,29 +621,33 @@ CONFIG_PINMUX=y CONFIG_PINCONF=y CONFIG_GENERIC_PINCONF=y # CONFIG_DEBUG_PINCTRL is not set +# CONFIG_PINCTRL_AS3722 is not set CONFIG_PINCTRL_AMD=y +CONFIG_PINCTRL_SINGLE=m +CONFIG_PINCTRL_PALMAS=y # CONFIG_PINCTRL_BAYTRAIL is not set CONFIG_PINCTRL_CHERRYVIEW=m CONFIG_PINCTRL_INTEL=m CONFIG_PINCTRL_SUNRISEPOINT=m CONFIG_GPIO_ACPI=y -CONFIG_GPIO_GENERIC=m # # Memory mapped GPIO drivers # CONFIG_GPIO_DWAPB=m # CONFIG_GPIO_F7188X is not set -# CONFIG_GPIO_GENERIC_PLATFORM is not set +CONFIG_GPIO_GRGPIO=m CONFIG_GPIO_ICH=m # CONFIG_GPIO_IT8761E is not set # CONFIG_GPIO_LYNXPOINT is not set CONFIG_GPIO_SCH=m +CONFIG_GPIO_XILINX=m # # PCI GPIO expanders # # CONFIG_GPIO_INTEL_MID is not set +CONFIG_GPIO_SODAVILLE=y # # USB GPIO expanders @@ -687,6 +677,7 @@ CONFIG_SENSORS_K10TEMP=m CONFIG_SENSORS_FAM15H_POWER=m CONFIG_SENSORS_APPLESMC=m CONFIG_SENSORS_ASB100=m +CONFIG_SENSORS_DELL_SMM=m CONFIG_SENSORS_FSCHMD=m CONFIG_SENSORS_I5500=m CONFIG_SENSORS_CORETEMP=m @@ -699,6 +690,7 @@ CONFIG_SENSORS_ACPI_POWER=m CONFIG_SENSORS_ATK0110=m CONFIG_INTEL_POWERCLAMP=m CONFIG_X86_PKG_TEMP_THERMAL=m +CONFIG_INTEL_SOC_DTS_IOSF_CORE=m CONFIG_INTEL_SOC_DTS_THERMAL=m CONFIG_INT340X_THERMAL=m CONFIG_ACPI_THERMAL_REL=m @@ -746,10 +738,15 @@ CONFIG_WDTPCI=m # # Multifunction device drivers # +CONFIG_MFD_ATMEL_HLCDC=m CONFIG_MFD_INTEL_QUARK_I2C_GPIO=m CONFIG_LPC_ICH=m CONFIG_MFD_RTSX_PCI=m # CONFIG_ABX500_CORE is not set + +# +# STMicroelectronics STMPE Interface Drivers +# CONFIG_MFD_VX855=m CONFIG_REGULATOR_FIXED_VOLTAGE=m CONFIG_REGULATOR_VIRTUAL_CONSUMER=m @@ -916,23 +913,9 @@ CONFIG_INTEL_GTT=y CONFIG_VGA_SWITCHEROO=y # -# Direct Rendering Manager -# -CONFIG_DRM_MIPI_DSI=y - -# # I2C encoder or helper chips # -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set CONFIG_DRM_I2C_NXP_TDA998X=m -CONFIG_DRM_RADEON=m -# CONFIG_DRM_RADEON_USERPTR is not set -# CONFIG_DRM_RADEON_UMS is not set -CONFIG_DRM_NOUVEAU=m -CONFIG_NOUVEAU_DEBUG=5 -CONFIG_NOUVEAU_DEBUG_DEFAULT=3 -CONFIG_DRM_NOUVEAU_BACKLIGHT=y CONFIG_DRM_I810=m CONFIG_DRM_I915=m CONFIG_DRM_I915_KMS=y @@ -944,12 +927,6 @@ CONFIG_DRM_GMA600=y CONFIG_DRM_GMA3600=y # -# Frame buffer Devices -# -CONFIG_FB_BACKLIGHT=y -# CONFIG_FB_MODE_HELPERS is not set - -# # Frame buffer hardware drivers # # CONFIG_FB_ARC is not set @@ -1019,6 +996,7 @@ CONFIG_MEMSTICK_REALTEK_PCI=m # # LED drivers # +CONFIG_LEDS_AAT1290=m CONFIG_LEDS_CLEVO_MAIL=m CONFIG_LEDS_INTEL_SS4200=m CONFIG_LEDS_DELL_NETBOOKS=m @@ -1026,6 +1004,7 @@ CONFIG_LEDS_DELL_NETBOOKS=m # # iptables trigger is under Netfilter config (LED target) # +CONFIG_EDAC_ATOMIC_SCRUB=y CONFIG_EDAC=y # CONFIG_EDAC_LEGACY_SYSFS is not set # CONFIG_EDAC_DEBUG is not set @@ -1069,7 +1048,6 @@ CONFIG_UIO_AEC=m CONFIG_UIO_SERCOS3=m CONFIG_UIO_PCI_GENERIC=m CONFIG_UIO_MF624=m -# CONFIG_VFIO is not set # # Microsoft Hyper-V guest support @@ -1081,14 +1059,6 @@ CONFIG_UIO_MF624=m # # Android # -# CONFIG_I2O_LCT_NOTIFY_ON_CHANGES is not set -CONFIG_I2O_EXT_ADAPTEC_DMA64=y -CONFIG_I2O_CONFIG=m -CONFIG_I2O_CONFIG_OLD_IOCTL=y -CONFIG_I2O_BUS=m -CONFIG_I2O_BLOCK=m -CONFIG_I2O_SCSI=m -CONFIG_I2O_PROC=m CONFIG_X86_PLATFORM_DEVICES=y CONFIG_ACER_WMI=m CONFIG_ACERHDF=m @@ -1098,6 +1068,7 @@ CONFIG_DELL_LAPTOP=m CONFIG_DELL_WMI=m CONFIG_DELL_WMI_AIO=m CONFIG_DELL_SMO8800=m +# CONFIG_DELL_RBTN is not set CONFIG_FUJITSU_LAPTOP=m # CONFIG_FUJITSU_LAPTOP_DEBUG is not set # CONFIG_FUJITSU_TABLET is not set @@ -1141,6 +1112,7 @@ CONFIG_SAMSUNG_Q10=m # CONFIG_INTEL_RST is not set CONFIG_INTEL_SMARTCONNECT=m CONFIG_PVPANIC=m +CONFIG_INTEL_PMC_IPC=m CONFIG_CHROME_PLATFORMS=y CONFIG_CHROMEOS_LAPTOP=m # CONFIG_CHROMEOS_PSTORE is not set @@ -1149,6 +1121,7 @@ CONFIG_CHROMEOS_LAPTOP=m # Common Clock Framework # CONFIG_COMMON_CLK_WM831X=m +CONFIG_COMMON_CLK_MAX77686=m # # Clock Source drivers @@ -1158,7 +1131,6 @@ CONFIG_I8253_LOCK=y CONFIG_CLKBLD_I8253=y # CONFIG_SH_TIMER_TMU is not set CONFIG_PCC=y -CONFIG_IOMMU_API=y # # Generic IOMMU Pagetable Support @@ -1170,15 +1142,24 @@ CONFIG_INTEL_IOMMU=y CONFIG_INTEL_IOMMU_FLOPPY_WA=y # +# SOC (System On Chip) specific Drivers +# +# CONFIG_SUNXI_SRAM is not set + +# # Analog to digital converters # CONFIG_LP8788_ADC=m CONFIG_TWL6030_GPADC=m # +# Light sensors +# +# CONFIG_ACPI_ALS is not set + +# # Temperature sensors # -# CONFIG_NTB is not set # CONFIG_PWM is not set # @@ -1189,6 +1170,15 @@ CONFIG_TWL6030_GPADC=m # CONFIG_PHY_EXYNOS5250_USB2 is not set # +# Android +# +CONFIG_LIBNVDIMM=y +CONFIG_BLK_DEV_PMEM=m +CONFIG_ND_BLK=m +CONFIG_ND_BTT=m +CONFIG_BTT=y + +# # Firmware Drivers # CONFIG_EDD=m @@ -1207,6 +1197,7 @@ CONFIG_ISCSI_IBFT=m # EFI (Extensible Firmware Interface) Support # CONFIG_EFI_VARS=y +CONFIG_EFI_ESRT=y CONFIG_EFI_VARS_PSTORE=y # CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set CONFIG_EFI_RUNTIME_WRAPPERS=y @@ -1215,12 +1206,13 @@ CONFIG_UEFI_CPER=y # # File systems # -CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_FS_DAX is not set # # Pseudo filesystems # +# CONFIG_PROC_KCORE is not set +CONFIG_PROC_VMCORE=y # CONFIG_HUGETLBFS is not set CONFIG_EFIVAR_FS=m @@ -1233,9 +1225,7 @@ CONFIG_FRAME_POINTER=y # # Memory Debugging # -# CONFIG_SLUB_STATS is not set # CONFIG_DEBUG_VIRTUAL is not set -# CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_STACKOVERFLOW=y # @@ -1249,8 +1239,9 @@ CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0 # RCU Debugging # CONFIG_RCU_CPU_STALL_TIMEOUT=60 -# CONFIG_RCU_CPU_STALL_INFO is not set +# CONFIG_LATENCYTOP is not set CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS=y +# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_FTRACE_SYSCALLS=y @@ -1261,11 +1252,13 @@ CONFIG_DYNAMIC_FTRACE_WITH_REGS=y # # Runtime Testing # +# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set # CONFIG_X86_VERBOSE_BOOTUP is not set CONFIG_EARLY_PRINTK=y # CONFIG_EARLY_PRINTK_DBGP is not set CONFIG_EARLY_PRINTK_EFI=y # CONFIG_X86_PTDUMP is not set +CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_NX_TEST=m CONFIG_DOUBLEFAULT=y # CONFIG_DEBUG_TLBFLUSH is not set @@ -1282,80 +1275,14 @@ CONFIG_DEFAULT_IO_DELAY_TYPE=0 CONFIG_DEBUG_BOOT_PARAMS=y # CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y +# CONFIG_DEBUG_ENTRY is not set # CONFIG_DEBUG_NMI_SELFTEST is not set # CONFIG_X86_DEBUG_STATIC_CPU_HAS is not set +# CONFIG_X86_DEBUG_FPU is not set +# CONFIG_PUNIT_ATOM_DEBUG is not set # -# Grsecurity -# -CONFIG_PAX_PER_CPU_PGD=y - -# -# PaX -# -CONFIG_PAX=y - -# -# PaX Control -# -# CONFIG_PAX_SOFTMODE is not set -CONFIG_PAX_EI_PAX=y -CONFIG_PAX_PT_PAX_FLAGS=y -# CONFIG_PAX_XATTR_PAX_FLAGS is not set -# CONFIG_PAX_NO_ACL_FLAGS is not set -CONFIG_PAX_HAVE_ACL_FLAGS=y -# CONFIG_PAX_HOOK_ACL_FLAGS is not set - -# -# Non-executable pages -# -CONFIG_PAX_NOEXEC=y -CONFIG_PAX_PAGEEXEC=y -CONFIG_PAX_EMUTRAMP=y -CONFIG_PAX_MPROTECT=y -# CONFIG_PAX_MPROTECT_COMPAT is not set -CONFIG_PAX_ELFRELOCS=y -CONFIG_PAX_KERNEXEC=y - -# -# Address Space Layout Randomization -# -CONFIG_PAX_ASLR=y -CONFIG_PAX_RANDKSTACK=y -CONFIG_PAX_RANDUSTACK=y -CONFIG_PAX_RANDMMAP=y - -# -# Miscellaneous hardening features -# -CONFIG_PAX_MEMORY_STACKLEAK=y -# CONFIG_PAX_MEMORY_UDEREF is not set -CONFIG_PAX_REFCOUNT=y -CONFIG_PAX_CONSTIFY_PLUGIN=y -CONFIG_PAX_USERCOPY=y -# CONFIG_PAX_USERCOPY_DEBUG is not set -CONFIG_PAX_SIZE_OVERFLOW=y - -# -# Memory Protections -# -# CONFIG_GRKERNSEC_IO is not set -CONFIG_GRKERNSEC_RAND_THREADSTACK=y -CONFIG_GRKERNSEC_PROC_MEMMAP=y -CONFIG_GRKERNSEC_KERN_LOCKOUT=y - -# -# Kernel Auditing -# -CONFIG_GRKERNSEC_RWXMAP_LOG=y - -# -# Executable Protections -# -CONFIG_GRKERNSEC_SETXID=y - -# -# Logging Options +# Security options # CONFIG_LSM_MMAP_MIN_ADDR=65536 @@ -1363,7 +1290,6 @@ CONFIG_LSM_MMAP_MIN_ADDR=65536 # Crypto core or helper # CONFIG_CRYPTO_GF128MUL=y -CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_ABLK_HELPER=y # @@ -1412,7 +1338,6 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_HAS_FAST_MULTIPLIER=y # CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set -CONFIG_INTERVAL_TREE=y CONFIG_HAS_IOPORT_MAP=y -CONFIG_CPU_RMAP=y CONFIG_UCS2_STRING=y +CONFIG_ARCH_HAS_PMEM_API=y diff --git a/kernel/config-x86_64-default b/kernel/config-x86_64-default index beaf5ca..0b938ac 100644 --- a/kernel/config-x86_64-default +++ b/kernel/config-x86_64-default @@ -29,8 +29,8 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_CONTEXT_TRACKING=y CONFIG_RCU_USER_QS=y CONFIG_CONTEXT_TRACKING_FORCE=y -CONFIG_RCU_FANOUT=64 CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y +CONFIG_ARCH_SUPPORTS_INT128=y # CONFIG_NUMA_BALANCING is not set # @@ -62,6 +62,7 @@ CONFIG_GART_IOMMU=y CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y # CONFIG_MAXSMP is not set +CONFIG_X86_ESPFIX64=y CONFIG_X86_VSYSCALL_EMULATION=y CONFIG_X86_DIRECT_GBPAGES=y CONFIG_NUMA=y @@ -146,14 +147,13 @@ CONFIG_SGI_IOC4=m CONFIG_INTEL_MIC_BUS=m # -# Intel MIC Host Driver +# SCIF Bus Driver # -# CONFIG_INTEL_MIC_HOST is not set +# CONFIG_SCIF_BUS is not set # -# Intel MIC Card Driver +# SCIF Driver # -# CONFIG_INTEL_MIC_CARD is not set # CONFIG_GENWQE is not set # @@ -162,6 +162,19 @@ CONFIG_INTEL_MIC_BUS=m CONFIG_SCSI_FLASHPOINT=y # +# Distributed Switch Architecture drivers +# +CONFIG_THUNDER_NIC_PF=m +CONFIG_THUNDER_NIC_VF=m +CONFIG_THUNDER_NIC_BGX=m +CONFIG_LIQUIDIO=m + +# +# Input Device Drivers +# +CONFIG_KEYBOARD_STMPE=m + +# # PC SMBus host controller drivers # # CONFIG_I2C_ALI1535 is not set @@ -171,6 +184,16 @@ CONFIG_SCSI_FLASHPOINT=y # CONFIG_I2C_SIS630 is not set # +# MFD GPIO expanders +# +CONFIG_GPIO_TC3589X=y + +# +# USB GPIO expanders +# +CONFIG_POWER_RESET_AS3722=y + +# # Media digital TV PCI Adapters # # CONFIG_VIDEO_CAFE_CCIC is not set @@ -195,6 +218,7 @@ CONFIG_INTEL_MIC_X100_DMA=m # CONFIG_CRYPTO_SKEIN=y # CONFIG_UNISYSSPAR is not set +CONFIG_COMMON_CLK_XLNX_CLKWZRD=m # # Generic IOMMU Pagetable Support @@ -210,34 +234,12 @@ CONFIG_IRQ_REMAP=y CONFIG_QUOTACTL_COMPAT=y # -# Memory Debugging -# -CONFIG_KASAN_SHADOW_OFFSET=0xdffffc0000000000 - -# # Runtime Testing # # CONFIG_IOMMU_DEBUG is not set # -# Grsecurity -# -CONFIG_PAX_KERNEXEC_PLUGIN=y -CONFIG_TASK_SIZE_MAX_SHIFT=42 - -# -# Non-executable pages -# -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS=y -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="bts" - -# -# Memory Protections -# -CONFIG_GRKERNSEC_KSTACKOVERFLOW=y - -# -# Logging Options +# Security options # CONFIG_INTEL_TXT=y diff --git a/kernel/kernel.nm b/kernel/kernel.nm index 7f25b83..22fecdc 100644 --- a/kernel/kernel.nm +++ b/kernel/kernel.nm @@ -4,7 +4,7 @@ ############################################################################### name = kernel -version = 4.1.7 +version = 4.2.7 release = 1 thisapp = linux-%{version} @@ -69,6 +69,7 @@ build # Arguments that are passed to the kernel build command. kernel_build_flags = + kernel_arch = %{DISTRO_PLATFORM} kernel_target = bzImage kernel_image = arch/%{kernel_arch}/boot/%{kernel_target} @@ -77,14 +78,10 @@ build # i686 architecture. build_kernel_default = 1 build_kernel_legacy = 1 - - kernel_arch = x86 end if "%{DISTRO_ARCH}" == "x86_64" build_kernel_default = 1 - - kernel_arch = x86 end if "%{DISTRO_ARCH}" == "aarch64" @@ -95,23 +92,10 @@ build kernel_target = Image.gz end - if "%{DISTRO_ARCH}" == "armv5tel" - # Build a kernel for Marvell Kirkwood-based devices. - build_kernel_default = 1 - - kernel_arch = arm - kernel_target = zImage - - # http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/091404.html - kernel_build_flags = KALLSYMS_EXTRA_PASS=1 - end - if "%{DISTRO_ARCH}" == "armv7hl" # Build the default unified kernel. build_kernel_default = 1 - build_kernel_lpae = 1 - kernel_arch = arm kernel_target = zImage end @@ -130,21 +114,11 @@ build kernels += legacy end - # Build lpae kernel - if "%{build_kernel_lpae}" == "1" - kernels += lpae - end - perf_make = make %{MAKETUNING} -C tools/perf V=1 WERROR=0 \ NO_LIBUNWIND=1 HAVE_CPLUS_DEMANGLE=1 NO_GTK2=1 NO_LIBNUMA=1 \ NO_STRLCPY=1 NO_BIONIC=1 prefix=%{prefix} perfexecdir=lib/perf-core prepare_cmds - rm -f %{DIR_APP}/localversion-grsec - - # Remove -Werror flag to fix ARMv5 build. - sed -e "s/-Werror//g" -i grsecurity/Makefile || : - # Disable the colorize plugin. # It's generally very nice but it clutters our # logfiles. @@ -565,22 +539,6 @@ packages end end - if "%{build_kernel_lpae}" == "1" - package kernel-lpae - template KERNEL - - kernel_name = kernel-lpae - kernel_release = %{fullver}.lpae - end - - package kernel-lpae-devel - template KERNELDEVEL - - kernel_name = kernel-lpae - kernel_release = %{fullver}.lpae - end - end - package kernel-headers summary = Header files of the kernel release %{fullver}. desciption = %{summary} diff --git a/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch b/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch deleted file mode 100644 index eb11268..0000000 --- a/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch +++ /dev/null @@ -1,165538 +0,0 @@ -diff --git a/Documentation/dontdiff b/Documentation/dontdiff -index 9de9813..1462492 100644 ---- a/Documentation/dontdiff -+++ b/Documentation/dontdiff -@@ -3,9 +3,11 @@ - *.bc - *.bin - *.bz2 -+*.c.[012]*.* - *.cis - *.cpio - *.csp -+*.dbg - *.dsp - *.dvi - *.elf -@@ -15,6 +17,7 @@ - *.gcov - *.gen.S - *.gif -+*.gmo - *.grep - *.grp - *.gz -@@ -51,14 +54,17 @@ - *.tab.h - *.tex - *.ver -+*.vim - *.xml - *.xz - *_MODULES -+*_reg_safe.h - *_vga16.c - *~ - \#*# - *.9 --.* -+.[^g]* -+.gen* - .*.d - .mm - 53c700_d.h -@@ -72,9 +78,11 @@ Image - Module.markers - Module.symvers - PENDING -+PERF* - SCCS - System.map* - TAGS -+TRACEEVENT-CFLAGS - aconf - af_names.h - aic7*reg.h* -@@ -83,6 +91,7 @@ aic7*seq.h* - aicasm - aicdb.h* - altivec*.c -+ashldi3.S - asm-offsets.h - asm_offsets.h - autoconf.h* -@@ -95,32 +104,40 @@ bounds.h - bsetup - btfixupprep - build -+builtin-policy.h - bvmlinux - bzImage* - capability_names.h - capflags.c - classlist.h* -+clut_vga16.c -+common-cmds.h - comp*.log - compile.h* - conf - config - config-* - config_data.h* -+config.c - config.mak - config.mak.autogen -+config.tmp - conmakehash - consolemap_deftbl.c* - cpustr.h - crc32table.h* - cscope.* - defkeymap.c -+devicetable-offsets.h - devlist.h* - dnotify_test - docproc - dslm -+dtc-lexer.lex.c - elf2ecoff - elfconfig.h* - evergreen_reg_safe.h -+exception_policy.conf - fixdep - flask.h - fore200e_mkfirm -@@ -128,12 +145,15 @@ fore200e_pca_fw.c* - gconf - gconf.glade.h - gen-devlist -+gen-kdb_cmds.c - gen_crc32table - gen_init_cpio - generated - genheaders - genksyms - *_gray256.c -+hash -+hid-example - hpet_example - hugepage-mmap - hugepage-shm -@@ -148,14 +168,14 @@ int32.c - int4.c - int8.c - kallsyms --kconfig -+kern_constants.h - keywords.c - ksym.c* - ksym.h* - kxgettext - lex.c - lex.*.c --linux -+lib1funcs.S - logo_*.c - logo_*_clut224.c - logo_*_mono.c -@@ -165,14 +185,15 @@ mach-types.h - machtypes.h - map - map_hugetlb --media - mconf -+mdp - miboot* - mk_elfconfig - mkboot - mkbugboot - mkcpustr - mkdep -+mkpiggy - mkprep - mkregtable - mktables -@@ -188,6 +209,8 @@ oui.c* - page-types - parse.c - parse.h -+parse-events* -+pasyms.h - patches* - pca200e.bin - pca200e_ecd.bin2 -@@ -197,6 +220,7 @@ perf-archive - piggyback - piggy.gzip - piggy.S -+pmu-* - pnmtologo - ppc_defs.h* - pss_boot.h -@@ -206,7 +230,12 @@ r200_reg_safe.h - r300_reg_safe.h - r420_reg_safe.h - r600_reg_safe.h -+randomize_layout_hash.h -+randomize_layout_seed.h -+realmode.lds -+realmode.relocs - recordmcount -+regdb.c - relocs - rlim_names.h - rn50_reg_safe.h -@@ -216,8 +245,12 @@ series - setup - setup.bin - setup.elf -+signing_key* -+size_overflow_hash.h - sImage -+slabinfo - sm_tbl* -+sortextable - split-include - syscalltab.h - tables.c -@@ -227,6 +260,7 @@ tftpboot.img - timeconst.h - times.h* - trix_boot.h -+user_constants.h - utsrelease.h* - vdso-syms.lds - vdso.lds -@@ -238,13 +272,17 @@ vdso32.lds - vdso32.so.dbg - vdso64.lds - vdso64.so.dbg -+vdsox32.lds -+vdsox32-syms.lds - version.h* - vmImage - vmlinux - vmlinux-* - vmlinux.aout - vmlinux.bin.all -+vmlinux.bin.bz2 - vmlinux.lds -+vmlinux.relocs - vmlinuz - voffset.h - vsyscall.lds -@@ -252,9 +290,12 @@ vsyscall_32.lds - wanxlfw.inc - uImage - unifdef -+utsrelease.h - wakeup.bin - wakeup.elf - wakeup.lds -+x509* - zImage* - zconf.hash.c -+zconf.lex.c - zoffset.h -diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt -index d2b1c40..3e90a74 100644 ---- a/Documentation/kbuild/makefiles.txt -+++ b/Documentation/kbuild/makefiles.txt -@@ -23,10 +23,11 @@ This document describes the Linux kernel Makefiles. - === 4 Host Program support - --- 4.1 Simple Host Program - --- 4.2 Composite Host Programs -- --- 4.3 Using C++ for host programs -- --- 4.4 Controlling compiler options for host programs -- --- 4.5 When host programs are actually built -- --- 4.6 Using hostprogs-$(CONFIG_FOO) -+ --- 4.3 Defining shared libraries -+ --- 4.4 Using C++ for host programs -+ --- 4.5 Controlling compiler options for host programs -+ --- 4.6 When host programs are actually built -+ --- 4.7 Using hostprogs-$(CONFIG_FOO) - - === 5 Kbuild clean infrastructure - -@@ -643,7 +644,29 @@ Both possibilities are described in the following. - Finally, the two .o files are linked to the executable, lxdialog. - Note: The syntax <executable>-y is not permitted for host-programs. - ----- 4.3 Using C++ for host programs -+--- 4.3 Defining shared libraries -+ -+ Objects with extension .so are considered shared libraries, and -+ will be compiled as position independent objects. -+ Kbuild provides support for shared libraries, but the usage -+ shall be restricted. -+ In the following example the libkconfig.so shared library is used -+ to link the executable conf. -+ -+ Example: -+ #scripts/kconfig/Makefile -+ hostprogs-y := conf -+ conf-objs := conf.o libkconfig.so -+ libkconfig-objs := expr.o type.o -+ -+ Shared libraries always require a corresponding -objs line, and -+ in the example above the shared library libkconfig is composed by -+ the two objects expr.o and type.o. -+ expr.o and type.o will be built as position independent code and -+ linked as a shared library libkconfig.so. C++ is not supported for -+ shared libraries. -+ -+--- 4.4 Using C++ for host programs - - kbuild offers support for host programs written in C++. This was - introduced solely to support kconfig, and is not recommended -@@ -666,7 +689,7 @@ Both possibilities are described in the following. - qconf-cxxobjs := qconf.o - qconf-objs := check.o - ----- 4.4 Controlling compiler options for host programs -+--- 4.5 Controlling compiler options for host programs - - When compiling host programs, it is possible to set specific flags. - The programs will always be compiled utilising $(HOSTCC) passed -@@ -694,7 +717,7 @@ Both possibilities are described in the following. - When linking qconf, it will be passed the extra option - "-L$(QTDIR)/lib". - ----- 4.5 When host programs are actually built -+--- 4.6 When host programs are actually built - - Kbuild will only build host-programs when they are referenced - as a prerequisite. -@@ -725,7 +748,7 @@ Both possibilities are described in the following. - This will tell kbuild to build lxdialog even if not referenced in - any rule. - ----- 4.6 Using hostprogs-$(CONFIG_FOO) -+--- 4.7 Using hostprogs-$(CONFIG_FOO) - - A typical pattern in a Kbuild file looks like this: - -diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt -index cd03a0f..b8d72be 100644 ---- a/Documentation/kernel-parameters.txt -+++ b/Documentation/kernel-parameters.txt -@@ -1223,6 +1223,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - Format: <unsigned int> such that (rxsize & ~0x1fffc0) == 0. - Default: 1024 - -+ grsec_proc_gid= [GRKERNSEC_PROC_USERGROUP] Chooses GID to -+ ignore grsecurity's /proc restrictions -+ -+ grsec_sysfs_restrict= Format: 0 | 1 -+ Default: 1 -+ Disables GRKERNSEC_SYSFS_RESTRICT if enabled in config -+ - hashdist= [KNL,NUMA] Large hashes allocated during boot - are distributed across NUMA nodes. Defaults on - for 64-bit NUMA, off otherwise. -@@ -2341,6 +2348,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - noexec=on: enable non-executable mappings (default) - noexec=off: disable non-executable mappings - -+ nopcid [X86-64] -+ Disable PCID (Process-Context IDentifier) even if it -+ is supported by the processor. -+ - nosmap [X86] - Disable SMAP (Supervisor Mode Access Prevention) - even if it is supported by processor. -@@ -2639,6 +2650,30 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - the specified number of seconds. This is to be used if - your oopses keep scrolling off the screen. - -+ pax_nouderef [X86] disables UDEREF. Most likely needed under certain -+ virtualization environments that don't cope well with the -+ expand down segment used by UDEREF on X86-32 or the frequent -+ page table updates on X86-64. -+ -+ pax_sanitize_slab= -+ Format: { 0 | 1 | off | fast | full } -+ Options '0' and '1' are only provided for backward -+ compatibility, 'off' or 'fast' should be used instead. -+ 0|off : disable slab object sanitization -+ 1|fast: enable slab object sanitization excluding -+ whitelisted slabs (default) -+ full : sanitize all slabs, even the whitelisted ones -+ -+ pax_softmode= 0/1 to disable/enable PaX softmode on boot already. -+ -+ pax_extra_latent_entropy -+ Enable a very simple form of latent entropy extraction -+ from the first 4GB of memory as the bootmem allocator -+ passes the memory pages to the buddy allocator. -+ -+ pax_weakuderef [X86-64] enables the weaker but faster form of UDEREF -+ when the processor supports PCID. -+ - pcbit= [HW,ISDN] - - pcd. [PARIDE] -diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt -index c831001..1bfbbf6 100644 ---- a/Documentation/sysctl/kernel.txt -+++ b/Documentation/sysctl/kernel.txt -@@ -41,6 +41,7 @@ show up in /proc/sys/kernel: - - kptr_restrict - - kstack_depth_to_print [ X86 only ] - - l2cr [ PPC only ] -+- modify_ldt [ X86 only ] - - modprobe ==> Documentation/debugging-modules.txt - - modules_disabled - - msg_next_id [ sysv ipc ] -@@ -391,6 +392,20 @@ This flag controls the L2 cache of G3 processor boards. If - - ============================================================== - -+modify_ldt: (X86 only) -+ -+Enables (1) or disables (0) the modify_ldt syscall. Modifying the LDT -+(Local Descriptor Table) may be needed to run a 16-bit or segmented code -+such as Dosemu or Wine. This is done via a system call which is not needed -+to run portable applications, and which can sometimes be abused to exploit -+some weaknesses of the architecture, opening new vulnerabilities. -+ -+This sysctl allows one to increase the system's security by disabling the -+system call, or to restore compatibility with specific applications when it -+was already disabled. -+ -+============================================================== -+ - modules_disabled: - - A toggle value indicating if modules are allowed to be loaded -diff --git a/Makefile b/Makefile -index b8591e5..1d9e8c0 100644 ---- a/Makefile -+++ b/Makefile -@@ -299,7 +299,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - HOSTCC = gcc - HOSTCXX = g++ - HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 --HOSTCXXFLAGS = -O2 -+HOSTCFLAGS = -W -Wno-unused-parameter -Wno-missing-field-initializers -fno-delete-null-pointer-checks -+HOSTCFLAGS += $(call cc-option, -Wno-empty-body) -+HOSTCXXFLAGS = -O2 -Wall -W -Wno-array-bounds - - ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) - HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ -@@ -444,8 +446,8 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ - # Rules shared between *config targets and build targets - - # Basic helpers built in scripts/ --PHONY += scripts_basic --scripts_basic: -+PHONY += scripts_basic gcc-plugins -+scripts_basic: gcc-plugins - $(Q)$(MAKE) $(build)=scripts/basic - $(Q)rm -f .tmp_quiet_recordmcount - -@@ -620,6 +622,74 @@ endif - # Tell gcc to never replace conditional load with a non-conditional one - KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) - -+ifndef DISABLE_PAX_PLUGINS -+ifeq ($(call cc-ifversion, -ge, 0408, y), y) -+PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCXX)" "$(HOSTCXX)" "$(CC)") -+else -+PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)") -+endif -+ifneq ($(PLUGINCC),) -+ifdef CONFIG_PAX_CONSTIFY_PLUGIN -+CONSTIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/constify_plugin.so -DCONSTIFY_PLUGIN -+endif -+ifdef CONFIG_PAX_MEMORY_STACKLEAK -+STACKLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/stackleak_plugin.so -DSTACKLEAK_PLUGIN -+STACKLEAK_PLUGIN_CFLAGS += -fplugin-arg-stackleak_plugin-track-lowest-sp=100 -+endif -+ifdef CONFIG_KALLOCSTAT_PLUGIN -+KALLOCSTAT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kallocstat_plugin.so -+endif -+ifdef CONFIG_PAX_KERNEXEC_PLUGIN -+KERNEXEC_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kernexec_plugin.so -+KERNEXEC_PLUGIN_CFLAGS += -fplugin-arg-kernexec_plugin-method=$(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD) -DKERNEXEC_PLUGIN -+KERNEXEC_PLUGIN_AFLAGS := -DKERNEXEC_PLUGIN -+endif -+ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+RANDSTRUCT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/randomize_layout_plugin.so -DRANDSTRUCT_PLUGIN -+ifdef CONFIG_GRKERNSEC_RANDSTRUCT_PERFORMANCE -+RANDSTRUCT_PLUGIN_CFLAGS += -fplugin-arg-randomize_layout_plugin-performance-mode -+endif -+endif -+ifdef CONFIG_CHECKER_PLUGIN -+ifeq ($(call cc-ifversion, -ge, 0406, y), y) -+CHECKER_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/checker_plugin.so -DCHECKER_PLUGIN -+endif -+endif -+COLORIZE_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/colorize_plugin.so -+ifdef CONFIG_PAX_SIZE_OVERFLOW -+SIZE_OVERFLOW_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/size_overflow_plugin/size_overflow_plugin.so -DSIZE_OVERFLOW_PLUGIN -+endif -+ifdef CONFIG_PAX_LATENT_ENTROPY -+LATENT_ENTROPY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/latent_entropy_plugin.so -DLATENT_ENTROPY_PLUGIN -+endif -+ifdef CONFIG_PAX_MEMORY_STRUCTLEAK -+STRUCTLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/structleak_plugin.so -DSTRUCTLEAK_PLUGIN -+endif -+INITIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/initify_plugin.so -DINITIFY_PLUGIN -+GCC_PLUGINS_CFLAGS := $(CONSTIFY_PLUGIN_CFLAGS) $(STACKLEAK_PLUGIN_CFLAGS) $(KALLOCSTAT_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(KERNEXEC_PLUGIN_CFLAGS) $(CHECKER_PLUGIN_CFLAGS) $(COLORIZE_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(SIZE_OVERFLOW_PLUGIN_CFLAGS) $(LATENT_ENTROPY_PLUGIN_CFLAGS) $(STRUCTLEAK_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(INITIFY_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(RANDSTRUCT_PLUGIN_CFLAGS) -+GCC_PLUGINS_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS) -+export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN LATENT_ENTROPY_PLUGIN_CFLAGS -+ifeq ($(KBUILD_EXTMOD),) -+gcc-plugins: -+ $(Q)$(MAKE) $(build)=tools/gcc -+else -+gcc-plugins: ; -+endif -+else -+gcc-plugins: -+ifeq ($(call cc-ifversion, -ge, 0405, y), y) -+ $(error Your gcc installation does not support plugins. If the necessary headers for plugin support are missing, they should be installed. On Debian, apt-get install gcc-<ver>-plugin-dev. If you choose to ignore this error and lessen the improvements provided by this patch, re-run make with the DISABLE_PAX_PLUGINS=y argument.)) -+else -+ $(Q)echo "warning, your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least" -+endif -+ $(Q)echo "PAX_MEMORY_STACKLEAK, constification, PAX_LATENT_ENTROPY and other features will be less secure. PAX_SIZE_OVERFLOW will not be active." -+endif -+endif -+ - ifdef CONFIG_READABLE_ASM - # Disable optimizations that make assembler listings hard to read. - # reorder blocks reorders the control in the function -@@ -712,7 +782,7 @@ KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) - else - KBUILD_CFLAGS += -g - endif --KBUILD_AFLAGS += -Wa,-gdwarf-2 -+KBUILD_AFLAGS += -Wa,--gdwarf-2 - endif - ifdef CONFIG_DEBUG_INFO_DWARF4 - KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) -@@ -884,7 +954,7 @@ export mod_sign_cmd - - - ifeq ($(KBUILD_EXTMOD),) --core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ -+core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/ - - vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ - $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ -@@ -934,6 +1004,8 @@ endif - - # The actual objects are generated when descending, - # make sure no implicit rule kicks in -+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - $(sort $(vmlinux-deps)): $(vmlinux-dirs) ; - - # Handle descending into subdirectories listed in $(vmlinux-dirs) -@@ -943,7 +1015,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ; - # Error messages still appears in the original language - - PHONY += $(vmlinux-dirs) --$(vmlinux-dirs): prepare scripts -+$(vmlinux-dirs): gcc-plugins prepare scripts - $(Q)$(MAKE) $(build)=$@ - - define filechk_kernel.release -@@ -986,10 +1058,13 @@ prepare1: prepare2 $(version_h) include/generated/utsrelease.h \ - - archprepare: archheaders archscripts prepare1 scripts_basic - -+prepare0: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+prepare0: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - prepare0: archprepare FORCE - $(Q)$(MAKE) $(build)=. - - # All the preparing.. -+prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) - prepare: prepare0 - - # Generate some files -@@ -1097,6 +1172,8 @@ all: modules - # using awk while concatenating to the final file. - - PHONY += modules -+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin - $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order - @$(kecho) ' Building modules, stage 2.'; -@@ -1112,7 +1189,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) - - # Target to prepare building external modules - PHONY += modules_prepare --modules_prepare: prepare scripts -+modules_prepare: gcc-plugins prepare scripts - - # Target to install modules - PHONY += modules_install -@@ -1178,7 +1255,10 @@ MRPROPER_FILES += .config .config.old .version .old_version \ - Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ - signing_key.priv signing_key.x509 x509.genkey \ - extra_certificates signing_key.x509.keyid \ -- signing_key.x509.signer vmlinux-gdb.py -+ signing_key.x509.signer vmlinux-gdb.py \ -+ tools/gcc/size_overflow_plugin/size_overflow_hash_aux.h \ -+ tools/gcc/size_overflow_plugin/size_overflow_hash.h \ -+ tools/gcc/randomize_layout_seed.h - - # clean - Delete most, but leave enough to build external modules - # -@@ -1217,7 +1297,7 @@ distclean: mrproper - @find $(srctree) $(RCS_FIND_IGNORE) \ - $ -name '*.orig' -o -name '*.rej' -o -name '*~' \ - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ -- -o -name '.*.rej' -o -name '*%' -o -name 'core' $ \ -+ -o -name '.*.rej' -o -name '*.so' -o -name '*%' -o -name 'core' \) \ - -type f -print | xargs rm -f - - -@@ -1383,6 +1463,8 @@ PHONY += $(module-dirs) modules - $(module-dirs): crmodverdir $(objtree)/Module.symvers - $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@) - -+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - modules: $(module-dirs) - @$(kecho) ' Building modules, stage 2.'; - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost -@@ -1523,17 +1605,21 @@ else - target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) - endif - --%.s: %.c prepare scripts FORCE -+%.s: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.s: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.s: %.c gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.i: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.o: %.c prepare scripts FORCE -+%.o: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.o: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.o: %.c gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.lst: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.s: %.S prepare scripts FORCE -+%.s: %.S gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.o: %.S prepare scripts FORCE -+%.o: %.S gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.symtypes: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) -@@ -1545,11 +1631,15 @@ endif - $(build)=$(build-dir) - # Make sure the latest headers are built for Documentation - Documentation/: headers_install --%/: prepare scripts FORCE -+%/: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%/: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%/: gcc-plugins prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) --%.ko: prepare scripts FORCE -+%.ko: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.ko: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.ko: gcc-plugins prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) $(@:.ko=.o) -diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h -index 8f8eafb..3405f46 100644 ---- a/arch/alpha/include/asm/atomic.h -+++ b/arch/alpha/include/asm/atomic.h -@@ -239,4 +239,14 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - #define atomic_dec(v) atomic_sub(1,(v)) - #define atomic64_dec(v) atomic64_sub(1,(v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ALPHA_ATOMIC_H */ -diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h -index ad368a9..fbe0f25 100644 ---- a/arch/alpha/include/asm/cache.h -+++ b/arch/alpha/include/asm/cache.h -@@ -4,19 +4,19 @@ - #ifndef __ARCH_ALPHA_CACHE_H - #define __ARCH_ALPHA_CACHE_H - -+#include <linux/const.h> - - /* Bytes per L1 (data) cache line. */ - #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) --# define L1_CACHE_BYTES 64 - # define L1_CACHE_SHIFT 6 - #else - /* Both EV4 and EV5 are write-through, read-allocate, - direct-mapped, physical. - */ --# define L1_CACHE_BYTES 32 - # define L1_CACHE_SHIFT 5 - #endif - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #endif -diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h -index 968d999..d36b2df 100644 ---- a/arch/alpha/include/asm/elf.h -+++ b/arch/alpha/include/asm/elf.h -@@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19) -+#endif -+ - /* $0 is set by ld.so to a pointer to a function which might be - registered using atexit. This provides a mean for the dynamic - linker to call DT_FINI functions for shared libraries that have -diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h -index aab14a0..b4fa3e7 100644 ---- a/arch/alpha/include/asm/pgalloc.h -+++ b/arch/alpha/include/asm/pgalloc.h -@@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - pgd_set(pgd, pmd); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - extern pgd_t *pgd_alloc(struct mm_struct *mm); - - static inline void -diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h -index a9a1195..e9b8417 100644 ---- a/arch/alpha/include/asm/pgtable.h -+++ b/arch/alpha/include/asm/pgtable.h -@@ -101,6 +101,17 @@ struct vm_area_struct; - #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS) - #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) - #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE) - - #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c -index 2fd00b7..cfd5069 100644 ---- a/arch/alpha/kernel/module.c -+++ b/arch/alpha/kernel/module.c -@@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab, - - /* The small sections were sorted to the end of the segment. - The following should definitely cover them. */ -- gp = (u64)me->module_core + me->core_size - 0x8000; -+ gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000; - got = sechdrs[me->arch.gotsecindex].sh_addr; - - for (i = 0; i < n; i++) { -diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c -index 36dc91a..6769cb0 100644 ---- a/arch/alpha/kernel/osf_sys.c -+++ b/arch/alpha/kernel/osf_sys.c -@@ -1295,10 +1295,11 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p) - generic version except that we know how to honor ADDR_LIMIT_32BIT. */ - - static unsigned long --arch_get_unmapped_area_1(unsigned long addr, unsigned long len, -- unsigned long limit) -+arch_get_unmapped_area_1(struct file *filp, unsigned long addr, unsigned long len, -+ unsigned long limit, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - info.flags = 0; - info.length = len; -@@ -1306,6 +1307,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len, - info.high_limit = limit; - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -1338,20 +1340,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - merely specific addresses, but regions of memory -- perhaps - this feature should be incorporated into all ports? */ - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(addr), len, limit, flags); - if (addr != (unsigned long) -ENOMEM) - return addr; - } - - /* Next, try allocating at TASK_UNMAPPED_BASE. */ -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE), -- len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(current->mm->mmap_base), len, limit, flags); -+ - if (addr != (unsigned long) -ENOMEM) - return addr; - - /* Finally, try allocating in low memory. */ -- addr = arch_get_unmapped_area_1 (PAGE_SIZE, len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_SIZE, len, limit, flags); - - return addr; - } -diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c -index 9d0ac09..479a962 100644 ---- a/arch/alpha/mm/fault.c -+++ b/arch/alpha/mm/fault.c -@@ -53,6 +53,124 @@ __load_new_mm_context(struct mm_struct *next_mm) - __reload_thread(pcb); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int ldah, ldq, jmp; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(ldq, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmp, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (ldq & 0xFFFF0000U) == 0xA77B0000U && -+ jmp == 0x6BFB0000U) -+ { -+ unsigned long r27, addr; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL; -+ -+ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ err = get_user(r27, (unsigned long *)addr); -+ if (err) -+ break; -+ -+ regs->r27 = r27; -+ regs->pc = r27; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ldah, lda, br; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(lda, (unsigned int *)(regs->pc+4)); -+ err |= get_user(br, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (lda & 0xFFFF0000U) == 0xA77B0000U && -+ (br & 0xFFE00000U) == 0xC3E00000U) -+ { -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL; -+ -+ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int br; -+ -+ err = get_user(br, (unsigned int *)regs->pc); -+ -+ if (!err && (br & 0xFFE00000U) == 0xC3800000U) { -+ unsigned int br2, ldq, nop, jmp; -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver; -+ -+ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ err = get_user(br2, (unsigned int *)addr); -+ err |= get_user(ldq, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ err |= get_user(jmp, (unsigned int *)(addr+12)); -+ err |= get_user(resolver, (unsigned long *)(addr+16)); -+ -+ if (err) -+ break; -+ -+ if (br2 == 0xC3600000U && -+ ldq == 0xA77B000CU && -+ nop == 0x47FF041FU && -+ jmp == 0x6B7B0000U) -+ { -+ regs->r28 = regs->pc+4; -+ regs->r27 = addr+16; -+ regs->pc = resolver; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif - - /* - * This routine handles page faults. It determines the address, -@@ -133,8 +251,29 @@ retry: - good_area: - si_code = SEGV_ACCERR; - if (cause < 0) { -- if (!(vma->vm_flags & VM_EXEC)) -+ if (!(vma->vm_flags & VM_EXEC)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp()); -+ do_group_exit(SIGKILL); -+#else - goto bad_area; -+#endif -+ -+ } - } else if (!cause) { - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_WRITE))) -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index 45df48b..952017a 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1716,7 +1716,7 @@ config ALIGNMENT_TRAP - - config UACCESS_WITH_MEMCPY - bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()" -- depends on MMU -+ depends on MMU && !PAX_MEMORY_UDEREF - default y if CPU_FEROCEON - help - Implement faster copy_to_user and clear_user methods for CPU -@@ -1951,6 +1951,7 @@ config XIP_PHYS_ADDR - config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on (!SMP || PM_SLEEP_SMP) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/arm/Makefile b/arch/arm/Makefile -index 985227c..8acc029 100644 ---- a/arch/arm/Makefile -+++ b/arch/arm/Makefile -@@ -304,6 +304,9 @@ INSTALL_TARGETS = zinstall uinstall install - - PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) - -+bootpImage uImage: zImage -+zImage: Image -+ - $(BOOT_TARGETS): vmlinux - $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ - -diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h -index e22c119..abe7041 100644 ---- a/arch/arm/include/asm/atomic.h -+++ b/arch/arm/include/asm/atomic.h -@@ -18,17 +18,41 @@ - #include <asm/barrier.h> - #include <asm/cmpxchg.h> - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include <asm-generic/atomic64.h> -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - - #ifdef __KERNEL__ - -+#ifdef CONFIG_THUMB2_KERNEL -+#define REFCOUNT_TRAP_INSN "bkpt 0xf1" -+#else -+#define REFCOUNT_TRAP_INSN "bkpt 0xf103" -+#endif -+ -+#define _ASM_EXTABLE(from, to) \ -+" .pushsection __ex_table,\"a\"\n"\ -+" .align 3\n" \ -+" .long " #from ", " #to"\n" \ -+" .popsection" -+ - /* - * On ARM, ordinary assignment (str instruction) doesn't clear the local - * strex/ldrex monitor on some implementations. The reason we can use it for - * atomic_set() is the clrex or dummy strex done on every exception return. - */ - #define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - #define atomic_set(v,i) (((v)->counter) = (i)) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - - #if __LINUX_ARM_ARCH__ >= 6 - -@@ -38,26 +62,50 @@ - * to ensure that the update happens. - */ - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " bvc 3f\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_POST_RETURN \ -+ " bvc 3f\n" \ -+" mov %0, %1\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "4:\n" \ -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_POST_RETURN -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op, post_op, extable) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long tmp; \ - int result; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic_" #op "\n" \ -+ __asm__ __volatile__("@ atomic_" #op #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ - " " #asm_op " %0, %0, %4\n" \ -+ post_op \ - " strex %1, %0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, _unchecked, c_op, asm_op, , )\ -+ __ATOMIC_OP(op, , c_op, asm_op##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op, post_op, extable) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\ - { \ - unsigned long tmp; \ - int result; \ -@@ -65,12 +113,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - smp_mb(); \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic_" #op "_return" #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ - " " #asm_op " %0, %0, %4\n" \ -+ post_op \ - " strex %1, %0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ -@@ -80,6 +130,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - return result; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op, , )\ -+ __ATOMIC_OP_RETURN(op, , c_op, asm_op##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE) -+ - static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new) - { - int oldval; -@@ -115,12 +168,24 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - __asm__ __volatile__ ("@ atomic_add_unless\n" - "1: ldrex %0, [%4]\n" - " teq %0, %5\n" --" beq 2f\n" --" add %1, %0, %6\n" -+" beq 4f\n" -+" adds %1, %0, %6\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " strex %2, %1, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+"4:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -131,14 +196,36 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - return oldval; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new) -+{ -+ unsigned long oldval, res; -+ -+ smp_mb(); -+ -+ do { -+ __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n" -+ "ldrex %1, [%3]\n" -+ "mov %0, #0\n" -+ "teq %1, %4\n" -+ "strexeq %0, %5, [%3]\n" -+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter) -+ : "r" (&ptr->counter), "Ir" (old), "r" (new) -+ : "cc"); -+ } while (res); -+ -+ smp_mb(); -+ -+ return oldval; -+} -+ - #else /* ARM_ARCH_6 */ - - #ifdef CONFIG_SMP - #error SMP not supported on pre-ARMv6 CPUs - #endif - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long flags; \ - \ -@@ -147,8 +234,11 @@ static inline void atomic_##op(int i, atomic_t *v) \ - raw_local_irq_restore(flags); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, , c_op, asm_op) \ -+ __ATOMIC_OP(op, _unchecked, c_op, asm_op) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\ - { \ - unsigned long flags; \ - int val; \ -@@ -161,6 +251,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - return val; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, , c_op, asm_op)\ -+ __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op) -+ - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - { - int ret; -@@ -175,6 +268,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - return ret; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return atomic_cmpxchg((atomic_t *)v, old, new); -+} -+ - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -@@ -196,16 +294,38 @@ ATOMIC_OPS(sub, -=, sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0) -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v) == 0; -+} - #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0) - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) - -@@ -216,6 +336,14 @@ typedef struct { - long long counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(i) { (i) } - - #ifdef CONFIG_ARM_LPAE -@@ -232,6 +360,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - __asm__ __volatile__("@ atomic64_set\n" -@@ -240,6 +381,15 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - ); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+" strd %2, %H2, [%1]" -+ : "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ ); -+} - #else - static inline long long atomic64_read(const atomic64_t *v) - { -@@ -254,6 +404,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrexd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - long long tmp; -@@ -268,29 +431,57 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - : "cc"); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ long long tmp; -+ -+ prefetchw(&v->counter); -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+"1: ldrexd %0, %H0, [%2]\n" -+" strexd %0, %3, %H3, [%2]\n" -+" teq %0, #0\n" -+" bne 1b" -+ : "=&r" (tmp), "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+} - #endif - --#define ATOMIC64_OP(op, op1, op2) \ --static inline void atomic64_##op(long long i, atomic64_t *v) \ -+#undef __OVERFLOW_POST_RETURN -+#define __OVERFLOW_POST_RETURN \ -+ " bvc 3f\n" \ -+" mov %0, %1\n" \ -+" mov %H0, %H1\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+ -+#define __ATOMIC64_OP(op, suffix, op1, op2, post_op, extable) \ -+static inline void atomic64_##op##suffix(long long i, atomic64##suffix##_t *v)\ - { \ - long long result; \ - unsigned long tmp; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic64_" #op "\n" \ -+ __asm__ __volatile__("@ atomic64_" #op #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ - " " #op1 " %Q0, %Q0, %Q4\n" \ - " " #op2 " %R0, %R0, %R4\n" \ -+ post_op \ - " strexd %1, %0, %H0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ - } \ - --#define ATOMIC64_OP_RETURN(op, op1, op2) \ --static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ -+#define ATOMIC64_OP(op, op1, op2) __ATOMIC64_OP(op, _unchecked, op1, op2, , ) \ -+ __ATOMIC64_OP(op, , op1, op2##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, op1, op2, post_op, extable) \ -+static inline long long atomic64_##op##_return##suffix(long long i, atomic64##suffix##_t *v) \ - { \ - long long result; \ - unsigned long tmp; \ -@@ -298,13 +489,15 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ - smp_mb(); \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic64_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic64_" #op "_return" #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ - " " #op1 " %Q0, %Q0, %Q4\n" \ - " " #op2 " %R0, %R0, %R4\n" \ -+ post_op \ - " strexd %1, %0, %H0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ -@@ -314,6 +507,9 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ - return result; \ - } - -+#define ATOMIC64_OP_RETURN(op, op1, op2) __ATOMIC64_OP_RETURN(op, _unchecked, op1, op2, , ) \ -+ __ATOMIC64_OP_RETURN(op, , op1, op2##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_OPS(op, op1, op2) \ - ATOMIC64_OP(op, op1, op2) \ - ATOMIC64_OP_RETURN(op, op1, op2) -@@ -323,7 +519,12 @@ ATOMIC64_OPS(sub, subs, sbc) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST_RETURN -+#undef __OVERFLOW_POST - - static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old, - long long new) -@@ -351,6 +552,31 @@ static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old, - return oldval; - } - -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, long long old, -+ long long new) -+{ -+ long long oldval; -+ unsigned long res; -+ -+ smp_mb(); -+ -+ do { -+ __asm__ __volatile__("@ atomic64_cmpxchg_unchecked\n" -+ "ldrexd %1, %H1, [%3]\n" -+ "mov %0, #0\n" -+ "teq %1, %4\n" -+ "teqeq %H1, %H4\n" -+ "strexdeq %0, %5, %H5, [%3]" -+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter) -+ : "r" (&ptr->counter), "r" (old), "r" (new) -+ : "cc"); -+ } while (res); -+ -+ smp_mb(); -+ -+ return oldval; -+} -+ - static inline long long atomic64_xchg(atomic64_t *ptr, long long new) - { - long long result; -@@ -376,21 +602,35 @@ static inline long long atomic64_xchg(atomic64_t *ptr, long long new) - static inline long long atomic64_dec_if_positive(atomic64_t *v) - { - long long result; -- unsigned long tmp; -+ u64 tmp; - - smp_mb(); - prefetchw(&v->counter); - - __asm__ __volatile__("@ atomic64_dec_if_positive\n" --"1: ldrexd %0, %H0, [%3]\n" --" subs %Q0, %Q0, #1\n" --" sbc %R0, %R0, #0\n" -+"1: ldrexd %1, %H1, [%3]\n" -+" subs %Q0, %Q1, #1\n" -+" sbcs %R0, %R1, #0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %Q0, %Q1\n" -+" mov %R0, %R1\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " teq %R0, #0\n" --" bmi 2f\n" -+" bmi 4f\n" - " strexd %1, %0, %H0, [%3]\n" - " teq %1, #0\n" - " bne 1b\n" --"2:" -+"4:\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter) - : "cc"); -@@ -414,13 +654,25 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - " teq %0, %5\n" - " teqeq %H0, %H5\n" - " moveq %1, #0\n" --" beq 2f\n" -+" beq 4f\n" - " adds %Q0, %Q0, %Q6\n" --" adc %R0, %R0, %R6\n" -+" adcs %R0, %R0, %R6\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " strexd %2, %0, %H0, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+"4:\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -433,10 +685,13 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - #define atomic64_inc(v) atomic64_add(1LL, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v)) - #define atomic64_inc_return(v) atomic64_add_return(1LL, (v)) -+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1LL, (v)) - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) - #define atomic64_dec(v) atomic64_sub(1LL, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v)) - #define atomic64_dec_return(v) atomic64_sub_return(1LL, (v)) - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) -diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h -index d2f81e6..3c4dba5 100644 ---- a/arch/arm/include/asm/barrier.h -+++ b/arch/arm/include/asm/barrier.h -@@ -67,7 +67,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h -index 75fe66b..ba3dee4 100644 ---- a/arch/arm/include/asm/cache.h -+++ b/arch/arm/include/asm/cache.h -@@ -4,8 +4,10 @@ - #ifndef __ASMARM_CACHE_H - #define __ASMARM_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -@@ -24,5 +26,6 @@ - #endif - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -+#define __read_only __attribute__ ((__section__(".data..read_only"))) - - #endif -diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h -index 2d46862..a35415b 100644 ---- a/arch/arm/include/asm/cacheflush.h -+++ b/arch/arm/include/asm/cacheflush.h -@@ -116,7 +116,7 @@ struct cpu_cache_fns { - void (*dma_unmap_area)(const void *, size_t, int); - - void (*dma_flush_range)(const void *, const void *); --}; -+} __no_const; - - /* - * Select the calling method -diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h -index 5233151..87a71fa 100644 ---- a/arch/arm/include/asm/checksum.h -+++ b/arch/arm/include/asm/checksum.h -@@ -37,7 +37,19 @@ __wsum - csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); - - __wsum --csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+__csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+ -+static inline __wsum -+csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) -+{ -+ __wsum ret; -+ pax_open_userland(); -+ ret = __csum_partial_copy_from_user(src, dst, len, sum, err_ptr); -+ pax_close_userland(); -+ return ret; -+} -+ -+ - - /* - * Fold a partial checksum without adding pseudo headers -diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h -index abb2c37..96db950 100644 ---- a/arch/arm/include/asm/cmpxchg.h -+++ b/arch/arm/include/asm/cmpxchg.h -@@ -104,6 +104,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size - - #define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -+#define xchg_unchecked(ptr,x) \ -+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) - - #include <asm-generic/cmpxchg-local.h> - -diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h -index 0f84249..8e83c55 100644 ---- a/arch/arm/include/asm/cpuidle.h -+++ b/arch/arm/include/asm/cpuidle.h -@@ -32,7 +32,7 @@ struct device_node; - struct cpuidle_ops { - int (*suspend)(int cpu, unsigned long arg); - int (*init)(struct device_node *, int cpu); --}; -+} __no_const; - - struct of_cpuidle_method { - const char *method; -diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h -index 6ddbe44..b5e38b1a 100644 ---- a/arch/arm/include/asm/domain.h -+++ b/arch/arm/include/asm/domain.h -@@ -48,18 +48,37 @@ - * Domain types - */ - #define DOMAIN_NOACCESS 0 --#define DOMAIN_CLIENT 1 - #ifdef CONFIG_CPU_USE_DOMAINS -+#define DOMAIN_USERCLIENT 1 -+#define DOMAIN_KERNELCLIENT 1 - #define DOMAIN_MANAGER 3 -+#define DOMAIN_VECTORS DOMAIN_USER - #else -+ -+#ifdef CONFIG_PAX_KERNEXEC - #define DOMAIN_MANAGER 1 -+#define DOMAIN_KERNEXEC 3 -+#else -+#define DOMAIN_MANAGER 1 -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define DOMAIN_USERCLIENT 0 -+#define DOMAIN_UDEREF 1 -+#define DOMAIN_VECTORS DOMAIN_KERNEL -+#else -+#define DOMAIN_USERCLIENT 1 -+#define DOMAIN_VECTORS DOMAIN_USER -+#endif -+#define DOMAIN_KERNELCLIENT 1 -+ - #endif - - #define domain_val(dom,type) ((type) << (2*(dom))) - - #ifndef __ASSEMBLY__ - --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - static inline void set_domain(unsigned val) - { - asm volatile( -@@ -68,15 +87,7 @@ static inline void set_domain(unsigned val) - isb(); - } - --#define modify_domain(dom,type) \ -- do { \ -- struct thread_info *thread = current_thread_info(); \ -- unsigned int domain = thread->cpu_domain; \ -- domain &= ~domain_val(dom, DOMAIN_MANAGER); \ -- thread->cpu_domain = domain | domain_val(dom, type); \ -- set_domain(thread->cpu_domain); \ -- } while (0) -- -+extern void modify_domain(unsigned int dom, unsigned int type); - #else - static inline void set_domain(unsigned val) { } - static inline void modify_domain(unsigned dom, unsigned type) { } -diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h -index d2315ff..f60b47b 100644 ---- a/arch/arm/include/asm/elf.h -+++ b/arch/arm/include/asm/elf.h -@@ -117,7 +117,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00008000UL -+ -+#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#endif - - /* When the program starts, a1 contains a pointer to a function to be - registered with atexit, as per the SVR4 ABI. A value of 0 means we -diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h -index de53547..52b9a28 100644 ---- a/arch/arm/include/asm/fncpy.h -+++ b/arch/arm/include/asm/fncpy.h -@@ -81,7 +81,9 @@ - BUG_ON((uintptr_t)(dest_buf) & (FNCPY_ALIGN - 1) || \ - (__funcp_address & ~(uintptr_t)1 & (FNCPY_ALIGN - 1))); \ - \ -+ pax_open_kernel(); \ - memcpy(dest_buf, (void const *)(__funcp_address & ~1), size); \ -+ pax_close_kernel(); \ - flush_icache_range((unsigned long)(dest_buf), \ - (unsigned long)(dest_buf) + (size)); \ - \ -diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h -index 4e78065..f265b48 100644 ---- a/arch/arm/include/asm/futex.h -+++ b/arch/arm/include/asm/futex.h -@@ -46,6 +46,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); -+ - smp_mb(); - /* Prefetching cannot fault */ - prefetchw(uaddr); -@@ -63,6 +65,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - : "cc", "memory"); - smp_mb(); - -+ pax_close_userland(); -+ - *uval = val; - return ret; - } -@@ -93,6 +97,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); -+ - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " TUSER(ldr) " %1, [%4]\n" - " teq %1, %2\n" -@@ -103,6 +109,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) - : "cc", "memory"); - -+ pax_close_userland(); -+ - *uval = val; - return ret; - } -@@ -125,6 +133,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) - return -EFAULT; - - pagefault_disable(); /* implies preempt_disable() */ -+ pax_open_userland(); - - switch (op) { - case FUTEX_OP_SET: -@@ -146,6 +155,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) - ret = -ENOSYS; - } - -+ pax_close_userland(); - pagefault_enable(); /* subsumes preempt_enable() */ - - if (!ret) { -diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h -index 83eb2f7..ed77159 100644 ---- a/arch/arm/include/asm/kmap_types.h -+++ b/arch/arm/include/asm/kmap_types.h -@@ -4,6 +4,6 @@ - /* - * This is the "bare minimum". AIO seems to require this. - */ --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif -diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h -index 9e614a1..3302cca 100644 ---- a/arch/arm/include/asm/mach/dma.h -+++ b/arch/arm/include/asm/mach/dma.h -@@ -22,7 +22,7 @@ struct dma_ops { - int (*residue)(unsigned int, dma_t *); /* optional */ - int (*setspeed)(unsigned int, dma_t *, int); /* optional */ - const char *type; --}; -+} __do_const; - - struct dma_struct { - void *addr; /* single DMA address */ -diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h -index f98c7f3..e5c626d 100644 ---- a/arch/arm/include/asm/mach/map.h -+++ b/arch/arm/include/asm/mach/map.h -@@ -23,17 +23,19 @@ struct map_desc { - - /* types 0-3 are defined in asm/io.h */ - enum { -- MT_UNCACHED = 4, -- MT_CACHECLEAN, -- MT_MINICLEAN, -+ MT_UNCACHED_RW = 4, -+ MT_CACHECLEAN_RO, -+ MT_MINICLEAN_RO, - MT_LOW_VECTORS, - MT_HIGH_VECTORS, -- MT_MEMORY_RWX, -+ __MT_MEMORY_RWX, - MT_MEMORY_RW, -- MT_ROM, -- MT_MEMORY_RWX_NONCACHED, -+ MT_MEMORY_RX, -+ MT_ROM_RX, -+ MT_MEMORY_RW_NONCACHED, -+ MT_MEMORY_RX_NONCACHED, - MT_MEMORY_RW_DTCM, -- MT_MEMORY_RWX_ITCM, -+ MT_MEMORY_RX_ITCM, - MT_MEMORY_RW_SO, - MT_MEMORY_DMA_READY, - }; -diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h -index 563b92f..689d58e 100644 ---- a/arch/arm/include/asm/outercache.h -+++ b/arch/arm/include/asm/outercache.h -@@ -39,7 +39,7 @@ struct outer_cache_fns { - /* This is an ARM L2C thing */ - void (*write_sec)(unsigned long, unsigned); - void (*configure)(const struct l2x0_regs *); --}; -+} __no_const; - - extern struct outer_cache_fns outer_cache; - -diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h -index 4355f0e..cd9168e 100644 ---- a/arch/arm/include/asm/page.h -+++ b/arch/arm/include/asm/page.h -@@ -23,6 +23,7 @@ - - #else - -+#include <linux/compiler.h> - #include <asm/glue.h> - - /* -@@ -114,7 +115,7 @@ struct cpu_user_fns { - void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr); - void (*cpu_copy_user_highpage)(struct page *to, struct page *from, - unsigned long vaddr, struct vm_area_struct *vma); --}; -+} __no_const; - - #ifdef MULTI_USER - extern struct cpu_user_fns cpu_user; -diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h -index 19cfab5..3f5c7e9 100644 ---- a/arch/arm/include/asm/pgalloc.h -+++ b/arch/arm/include/asm/pgalloc.h -@@ -17,6 +17,7 @@ - #include <asm/processor.h> - #include <asm/cacheflush.h> - #include <asm/tlbflush.h> -+#include <asm/system_info.h> - - #define check_pgt_cache() do { } while (0) - -@@ -43,6 +44,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE)); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #else /* !CONFIG_ARM_LPAE */ - - /* -@@ -51,6 +57,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, pmd) do { } while (0) - #define pud_populate(mm,pmd,pte) BUG() -+#define pud_populate_kernel(mm,pmd,pte) BUG() - - #endif /* CONFIG_ARM_LPAE */ - -@@ -128,6 +135,19 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) - __free_page(pte); - } - -+static inline void __section_update(pmd_t *pmdp, unsigned long addr, pmdval_t prot) -+{ -+#ifdef CONFIG_ARM_LPAE -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#else -+ if (addr & SECTION_SIZE) -+ pmdp[1] = __pmd(pmd_val(pmdp[1]) | prot); -+ else -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#endif -+ flush_pmd_entry(pmdp); -+} -+ - static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, - pmdval_t prot) - { -diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h -index 5e68278..1869bae 100644 ---- a/arch/arm/include/asm/pgtable-2level-hwdef.h -+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h -@@ -27,7 +27,7 @@ - /* - * - section - */ --#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ -+#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ - #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) - #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) - #define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */ -@@ -39,6 +39,7 @@ - #define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */ - #define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */ - #define PMD_SECT_AF (_AT(pmdval_t, 0)) -+#define PMD_SECT_RDONLY (_AT(pmdval_t, 0)) - - #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0)) - #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -@@ -68,6 +69,7 @@ - * - extended small page/tiny page - */ - #define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */ -+#define PTE_EXT_PXN (_AT(pteval_t, 1) << 2) /* v7 */ - #define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4) - #define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4) - #define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4) -diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h -index bfd662e..f6cbb02 100644 ---- a/arch/arm/include/asm/pgtable-2level.h -+++ b/arch/arm/include/asm/pgtable-2level.h -@@ -127,6 +127,9 @@ - #define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ - #define L_PTE_NONE (_AT(pteval_t, 1) << 11) - -+/* Two-level page tables only have PXN in the PGD, not in the PTE. */ -+#define L_PTE_PXN (_AT(pteval_t, 0)) -+ - /* - * These are the memory types, defined to be compatible with - * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB -diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h -index a745a2a..481350a 100644 ---- a/arch/arm/include/asm/pgtable-3level.h -+++ b/arch/arm/include/asm/pgtable-3level.h -@@ -80,6 +80,7 @@ - #define L_PTE_USER (_AT(pteval_t, 1) << 6) /* AP[1] */ - #define L_PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ - #define L_PTE_YOUNG (_AT(pteval_t, 1) << 10) /* AF */ -+#define L_PTE_PXN (_AT(pteval_t, 1) << 53) /* PXN */ - #define L_PTE_XN (_AT(pteval_t, 1) << 54) /* XN */ - #define L_PTE_DIRTY (_AT(pteval_t, 1) << 55) - #define L_PTE_SPECIAL (_AT(pteval_t, 1) << 56) -@@ -91,10 +92,12 @@ - #define L_PMD_SECT_SPLITTING (_AT(pmdval_t, 1) << 56) - #define L_PMD_SECT_NONE (_AT(pmdval_t, 1) << 57) - #define L_PMD_SECT_RDONLY (_AT(pteval_t, 1) << 58) -+#define PMD_SECT_RDONLY PMD_SECT_AP2 - - /* - * To be used in assembly code with the upper page attributes. - */ -+#define L_PTE_PXN_HIGH (1 << (53 - 32)) - #define L_PTE_XN_HIGH (1 << (54 - 32)) - #define L_PTE_DIRTY_HIGH (1 << (55 - 32)) - -diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h -index f403541..b10df68 100644 ---- a/arch/arm/include/asm/pgtable.h -+++ b/arch/arm/include/asm/pgtable.h -@@ -33,6 +33,9 @@ - #include <asm/pgtable-2level.h> - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - /* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the -@@ -48,6 +51,9 @@ - #define LIBRARY_TEXT_START 0x0c000000 - - #ifndef __ASSEMBLY__ -+extern pteval_t __supported_pte_mask; -+extern pmdval_t __supported_pmd_mask; -+ - extern void __pte_error(const char *file, int line, pte_t); - extern void __pmd_error(const char *file, int line, pmd_t); - extern void __pgd_error(const char *file, int line, pgd_t); -@@ -56,6 +62,48 @@ extern void __pgd_error(const char *file, int line, pgd_t); - #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd) - #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd) - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/domain.h> -+#include <linux/thread_info.h> -+#include <linux/preempt.h> -+ -+static inline int test_domain(int domain, int domaintype) -+{ -+ return ((current_thread_info()->cpu_domain) & domain_val(domain, 3)) == domain_val(domain, domaintype); -+} -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ preempt_disable(); -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC)); -+ modify_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC); -+#endif -+ return 0; -+} -+ -+static inline unsigned long pax_close_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_MANAGER)); -+ /* DOMAIN_MANAGER = "client" under KERNEXEC */ -+ modify_domain(DOMAIN_KERNEL, DOMAIN_MANAGER); -+ preempt_enable_no_resched(); -+#endif -+ return 0; -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * This is the lowest virtual address we can permit any user space - * mapping to be mapped at. This is particularly important for -@@ -75,8 +123,8 @@ extern void __pgd_error(const char *file, int line, pgd_t); - /* - * The pgprot_* and protection_map entries will be fixed up in runtime - * to include the cachable and bufferable bits based on memory policy, -- * as well as any architecture dependent bits like global/ASID and SMP -- * shared mapping bits. -+ * as well as any architecture dependent bits like global/ASID, PXN, -+ * and SMP shared mapping bits. - */ - #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG - -@@ -307,7 +355,7 @@ static inline pte_t pte_mknexec(pte_t pte) - static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) - { - const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | -- L_PTE_NONE | L_PTE_VALID; -+ L_PTE_NONE | L_PTE_VALID | __supported_pte_mask; - pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); - return pte; - } -diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h -index c25ef3e..735f14b 100644 ---- a/arch/arm/include/asm/psci.h -+++ b/arch/arm/include/asm/psci.h -@@ -32,7 +32,7 @@ struct psci_operations { - int (*affinity_info)(unsigned long target_affinity, - unsigned long lowest_affinity_level); - int (*migrate_info_type)(void); --}; -+} __no_const; - - extern struct psci_operations psci_ops; - extern struct smp_operations psci_smp_ops; -diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h -index 18f5a55..5072a40 100644 ---- a/arch/arm/include/asm/smp.h -+++ b/arch/arm/include/asm/smp.h -@@ -107,7 +107,7 @@ struct smp_operations { - int (*cpu_disable)(unsigned int cpu); - #endif - #endif --}; -+} __no_const; - - struct of_cpu_method { - const char *method; -diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h -index bd32ede..bd90a0b 100644 ---- a/arch/arm/include/asm/thread_info.h -+++ b/arch/arm/include/asm/thread_info.h -@@ -74,9 +74,9 @@ struct thread_info { - .flags = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ -- .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT), \ -+ .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \ -+ domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT), \ - } - - #define init_thread_info (init_thread_union.thread_info) -@@ -152,7 +152,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define TIF_SYSCALL_AUDIT 9 - #define TIF_SYSCALL_TRACEPOINT 10 - #define TIF_SECCOMP 11 /* seccomp syscall filtering active */ --#define TIF_NOHZ 12 /* in adaptive nohz mode */ -+/* within 8 bits of TIF_SYSCALL_TRACE -+ * to meet flexible second operand requirements -+ */ -+#define TIF_GRSEC_SETXID 12 -+#define TIF_NOHZ 13 /* in adaptive nohz mode */ - #define TIF_USING_IWMMXT 17 - #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - #define TIF_RESTORE_SIGMASK 20 -@@ -166,10 +170,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_SECCOMP (1 << TIF_SECCOMP) - #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* Checks for any syscall work in entry-common.S */ - #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | _TIF_GRSEC_SETXID) - - /* - * Change these and you break ASM code in entry-common.S -diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h -index 5f833f7..76e6644 100644 ---- a/arch/arm/include/asm/tls.h -+++ b/arch/arm/include/asm/tls.h -@@ -3,6 +3,7 @@ - - #include <linux/compiler.h> - #include <asm/thread_info.h> -+#include <asm/pgtable.h> - - #ifdef __ASSEMBLY__ - #include <asm/asm-offsets.h> -@@ -89,7 +90,9 @@ static inline void set_tls(unsigned long val) - * at 0xffff0fe0 must be used instead. (see - * entry-armv.S for details) - */ -+ pax_open_kernel(); - *((unsigned int *)0xffff0ff0) = val; -+ pax_close_kernel(); - #endif - } - -diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h -index 74b17d0..57a4bf4 100644 ---- a/arch/arm/include/asm/uaccess.h -+++ b/arch/arm/include/asm/uaccess.h -@@ -18,6 +18,7 @@ - #include <asm/domain.h> - #include <asm/unified.h> - #include <asm/compiler.h> -+#include <asm/pgtable.h> - - #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - #include <asm-generic/uaccess-unaligned.h> -@@ -70,11 +71,38 @@ extern int __put_user_bad(void); - static inline void set_fs(mm_segment_t fs) - { - current_thread_info()->addr_limit = fs; -- modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER); -+ modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_KERNELCLIENT : DOMAIN_MANAGER); - } - - #define segment_eq(a, b) ((a) == (b)) - -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+static inline void pax_open_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_UDEREF)); -+ modify_domain(DOMAIN_USER, DOMAIN_UDEREF); -+ } -+#endif -+ -+} -+ -+static inline void pax_close_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_NOACCESS)); -+ modify_domain(DOMAIN_USER, DOMAIN_NOACCESS); -+ } -+#endif -+ -+} -+ - #define __addr_ok(addr) ({ \ - unsigned long flag; \ - __asm__("cmp %2, %0; movlo %0, #0" \ -@@ -198,8 +226,12 @@ extern int __get_user_64t_4(void *); - - #define get_user(x, p) \ - ({ \ -+ int __e; \ - might_fault(); \ -- __get_user_check(x, p); \ -+ pax_open_userland(); \ -+ __e = __get_user_check((x), (p)); \ -+ pax_close_userland(); \ -+ __e; \ - }) - - extern int __put_user_1(void *, unsigned int); -@@ -244,8 +276,12 @@ extern int __put_user_8(void *, unsigned long long); - - #define put_user(x, p) \ - ({ \ -+ int __e; \ - might_fault(); \ -- __put_user_check(x, p); \ -+ pax_open_userland(); \ -+ __e = __put_user_check((x), (p)); \ -+ pax_close_userland(); \ -+ __e; \ - }) - - #else /* CONFIG_MMU */ -@@ -269,6 +305,7 @@ static inline void set_fs(mm_segment_t fs) - - #endif /* CONFIG_MMU */ - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) (__range_ok(addr, size) == 0) - - #define user_addr_max() \ -@@ -286,13 +323,17 @@ static inline void set_fs(mm_segment_t fs) - #define __get_user(x, ptr) \ - ({ \ - long __gu_err = 0; \ -+ pax_open_userland(); \ - __get_user_err((x), (ptr), __gu_err); \ -+ pax_close_userland(); \ - __gu_err; \ - }) - - #define __get_user_error(x, ptr, err) \ - ({ \ -+ pax_open_userland(); \ - __get_user_err((x), (ptr), err); \ -+ pax_close_userland(); \ - (void) 0; \ - }) - -@@ -368,13 +409,17 @@ do { \ - #define __put_user(x, ptr) \ - ({ \ - long __pu_err = 0; \ -+ pax_open_userland(); \ - __put_user_err((x), (ptr), __pu_err); \ -+ pax_close_userland(); \ - __pu_err; \ - }) - - #define __put_user_error(x, ptr, err) \ - ({ \ -+ pax_open_userland(); \ - __put_user_err((x), (ptr), err); \ -+ pax_close_userland(); \ - (void) 0; \ - }) - -@@ -474,11 +519,44 @@ do { \ - - - #ifdef CONFIG_MMU --extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n); --extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n); -+extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n); -+extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n); -+ -+static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ unsigned long ret; -+ -+ check_object_size(to, n, false); -+ pax_open_userland(); -+ ret = ___copy_from_user(to, from, n); -+ pax_close_userland(); -+ return ret; -+} -+ -+static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ unsigned long ret; -+ -+ check_object_size(from, n, true); -+ pax_open_userland(); -+ ret = ___copy_to_user(to, from, n); -+ pax_close_userland(); -+ return ret; -+} -+ - extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n); --extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n); -+extern unsigned long __must_check ___clear_user(void __user *addr, unsigned long n); - extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n); -+ -+static inline unsigned long __must_check __clear_user(void __user *addr, unsigned long n) -+{ -+ unsigned long ret; -+ pax_open_userland(); -+ ret = ___clear_user(addr, n); -+ pax_close_userland(); -+ return ret; -+} -+ - #else - #define __copy_from_user(to, from, n) (memcpy(to, (void __force *)from, n), 0) - #define __copy_to_user(to, from, n) (memcpy((void __force *)to, from, n), 0) -@@ -487,6 +565,9 @@ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned l - - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_READ, from, n)) - n = __copy_from_user(to, from, n); - else /* security hole - plug it */ -@@ -496,6 +577,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u - - static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h -index 5af0ed1..cea83883 100644 ---- a/arch/arm/include/uapi/asm/ptrace.h -+++ b/arch/arm/include/uapi/asm/ptrace.h -@@ -92,7 +92,7 @@ - * ARMv7 groups of PSR bits - */ - #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ --#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ -+#define PSR_ISET_MASK 0x01000020 /* ISA state (J, T) mask */ - #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ - #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ - -diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c -index a88671c..1cc895e 100644 ---- a/arch/arm/kernel/armksyms.c -+++ b/arch/arm/kernel/armksyms.c -@@ -55,7 +55,7 @@ EXPORT_SYMBOL(arm_delay_ops); - - /* networking */ - EXPORT_SYMBOL(csum_partial); --EXPORT_SYMBOL(csum_partial_copy_from_user); -+EXPORT_SYMBOL(__csum_partial_copy_from_user); - EXPORT_SYMBOL(csum_partial_copy_nocheck); - EXPORT_SYMBOL(__csum_ipv6_magic); - -@@ -91,9 +91,9 @@ EXPORT_SYMBOL(__memzero); - #ifdef CONFIG_MMU - EXPORT_SYMBOL(copy_page); - --EXPORT_SYMBOL(__copy_from_user); --EXPORT_SYMBOL(__copy_to_user); --EXPORT_SYMBOL(__clear_user); -+EXPORT_SYMBOL(___copy_from_user); -+EXPORT_SYMBOL(___copy_to_user); -+EXPORT_SYMBOL(___clear_user); - - EXPORT_SYMBOL(__get_user_1); - EXPORT_SYMBOL(__get_user_2); -diff --git a/arch/arm/kernel/cpuidle.c b/arch/arm/kernel/cpuidle.c -index 318da33..373689f 100644 ---- a/arch/arm/kernel/cpuidle.c -+++ b/arch/arm/kernel/cpuidle.c -@@ -19,7 +19,7 @@ extern struct of_cpuidle_method __cpuidle_method_of_table[]; - static const struct of_cpuidle_method __cpuidle_method_of_table_sentinel - __used __section(__cpuidle_method_of_table_end); - --static struct cpuidle_ops cpuidle_ops[NR_CPUS]; -+static struct cpuidle_ops cpuidle_ops[NR_CPUS] __read_only; - - /** - * arm_cpuidle_simple_enter() - a wrapper to cpu_do_idle() -diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S -index 570306c..c87f193 100644 ---- a/arch/arm/kernel/entry-armv.S -+++ b/arch/arm/kernel/entry-armv.S -@@ -48,6 +48,87 @@ - 9997: - .endm - -+ .macro pax_enter_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ make aligned space for saved DACR -+ sub sp, sp, #8 -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+ @ store old DACR on stack -+ str r1, [sp, #8] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif -+ .endm -+ -+ .macro pax_open_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_CLIENT -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_close_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ - .macro pabt_helper - @ PABORT handler takes pt_regs in r2, fault address in r4 and psr in r5 - #ifdef MULTI_PABORT -@@ -90,11 +171,15 @@ - * Invalid mode handlers - */ - .macro inv_entry, reason -+ -+ pax_enter_kernel -+ - sub sp, sp, #S_FRAME_SIZE - ARM( stmib sp, {r1 - lr} ) - THUMB( stmia sp, {r0 - r12} ) - THUMB( str sp, [sp, #S_SP] ) - THUMB( str lr, [sp, #S_LR] ) -+ - mov r1, #\reason - .endm - -@@ -150,7 +235,11 @@ ENDPROC(__und_invalid) - .macro svc_entry, stack_hole=0, trace=1 - UNWIND(.fnstart ) - UNWIND(.save {r0 - pc} ) -+ -+ pax_enter_kernel -+ - sub sp, sp, #(S_FRAME_SIZE + \stack_hole - 4) -+ - #ifdef CONFIG_THUMB2_KERNEL - SPFIX( str r0, [sp] ) @ temporarily saved - SPFIX( mov r0, sp ) -@@ -165,7 +254,12 @@ ENDPROC(__und_invalid) - ldmia r0, {r3 - r5} - add r7, sp, #S_SP - 4 @ here for interlock avoidance - mov r6, #-1 @ "" "" "" "" -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ offset sp by 8 as done in pax_enter_kernel -+ add r2, sp, #(S_FRAME_SIZE + \stack_hole + 4) -+#else - add r2, sp, #(S_FRAME_SIZE + \stack_hole - 4) -+#endif - SPFIX( addeq r2, r2, #4 ) - str r3, [sp, #-4]! @ save the "real" r0 copied - @ from the exception stack -@@ -369,6 +463,9 @@ ENDPROC(__fiq_abt) - .macro usr_entry, trace=1 - UNWIND(.fnstart ) - UNWIND(.cantunwind ) @ don't unwind the user space -+ -+ pax_enter_kernel_user -+ - sub sp, sp, #S_FRAME_SIZE - ARM( stmib sp, {r1 - r12} ) - THUMB( stmia sp, {r0 - r12} ) -@@ -479,7 +576,9 @@ __und_usr: - tst r3, #PSR_T_BIT @ Thumb mode? - bne __und_usr_thumb - sub r4, r2, #4 @ ARM instr at LR - 4 -+ pax_open_userland - 1: ldrt r0, [r4] -+ pax_close_userland - ARM_BE8(rev r0, r0) @ little endian instruction - - @ r0 = 32-bit ARM instruction which caused the exception -@@ -513,11 +612,15 @@ __und_usr_thumb: - */ - .arch armv6t2 - #endif -+ pax_open_userland - 2: ldrht r5, [r4] -+ pax_close_userland - ARM_BE8(rev16 r5, r5) @ little endian instruction - cmp r5, #0xe800 @ 32bit instruction if xx != 0 - blo __und_usr_fault_16 @ 16bit undefined instruction -+ pax_open_userland - 3: ldrht r0, [r2] -+ pax_close_userland - ARM_BE8(rev16 r0, r0) @ little endian instruction - add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 - str r2, [sp, #S_PC] @ it's a 2x16bit instr, update -@@ -547,7 +650,8 @@ ENDPROC(__und_usr) - */ - .pushsection .text.fixup, "ax" - .align 2 --4: str r4, [sp, #S_PC] @ retry current instruction -+4: pax_close_userland -+ str r4, [sp, #S_PC] @ retry current instruction - ret r9 - .popsection - .pushsection __ex_table,"a" -@@ -767,7 +871,7 @@ ENTRY(__switch_to) - THUMB( str lr, [ip], #4 ) - ldr r4, [r2, #TI_TP_VALUE] - ldr r5, [r2, #TI_TP_VALUE + 4] --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - ldr r6, [r2, #TI_CPU_DOMAIN] - #endif - switch_tls r1, r4, r5, r3, r7 -@@ -776,7 +880,7 @@ ENTRY(__switch_to) - ldr r8, =__stack_chk_guard - ldr r7, [r7, #TSK_STACK_CANARY] - #endif --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - mcr p15, 0, r6, c3, c0, 0 @ Set domain register - #endif - mov r5, r0 -diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S -index 4e7f40c..0f9ee2c 100644 ---- a/arch/arm/kernel/entry-common.S -+++ b/arch/arm/kernel/entry-common.S -@@ -11,18 +11,46 @@ - #include <asm/assembler.h> - #include <asm/unistd.h> - #include <asm/ftrace.h> -+#include <asm/domain.h> - #include <asm/unwind.h> - -+#include "entry-header.S" -+ - #ifdef CONFIG_NEED_RET_TO_USER - #include <mach/entry-macro.S> - #else - .macro arch_ret_to_user, tmp1, tmp2 -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_UDEREF -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif - .endm - #endif - --#include "entry-header.S" -- -- - .align 5 - /* - * This is the fast syscall return path. We do as little as -@@ -173,6 +201,12 @@ ENTRY(vector_swi) - USER( ldr scno, [lr, #-4] ) @ get SWI instruction - #endif - -+ /* -+ * do this here to avoid a performance hit of wrapping the code above -+ * that directly dereferences userland to parse the SWI instruction -+ */ -+ pax_enter_kernel_user -+ - adr tbl, sys_call_table @ load syscall table pointer - - #if defined(CONFIG_OABI_COMPAT) -diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S -index 1a0045a..9b4f34d 100644 ---- a/arch/arm/kernel/entry-header.S -+++ b/arch/arm/kernel/entry-header.S -@@ -196,6 +196,60 @@ - msr cpsr_c, \rtemp @ switch back to the SVC mode - .endm - -+ .macro pax_enter_kernel_user -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set current DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read old DACR from stack into r1 -+ ldr r1, [sp, #(8 + S_SP)] -+ sub r1, r1, #8 -+ ldr r1, [r1] -+ -+ @ write r1 to current_thread_info()->cpu_domain -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ - #ifndef CONFIG_THUMB2_KERNEL - .macro svc_exit, rpsr, irq = 0 - .if \irq != 0 -@@ -215,6 +269,9 @@ - blne trace_hardirqs_off - #endif - .endif -+ -+ pax_exit_kernel -+ - msr spsr_cxsf, \rpsr - #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K) - @ We must avoid clrex due to Cortex-A15 erratum #830321 -@@ -291,6 +348,9 @@ - blne trace_hardirqs_off - #endif - .endif -+ -+ pax_exit_kernel -+ - ldr lr, [sp, #S_SP] @ top of the stack - ldrd r0, r1, [sp, #S_LR] @ calling lr and pc - -diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c -index 059c3da..8e45cfc 100644 ---- a/arch/arm/kernel/fiq.c -+++ b/arch/arm/kernel/fiq.c -@@ -95,7 +95,10 @@ void set_fiq_handler(void *start, unsigned int length) - void *base = vectors_page; - unsigned offset = FIQ_OFFSET; - -+ pax_open_kernel(); - memcpy(base + offset, start, length); -+ pax_close_kernel(); -+ - if (!cache_is_vipt_nonaliasing()) - flush_icache_range((unsigned long)base + offset, offset + - length); -diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S -index 3637973..cb29657 100644 ---- a/arch/arm/kernel/head.S -+++ b/arch/arm/kernel/head.S -@@ -444,7 +444,7 @@ __enable_mmu: - mov r5, #(domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \ - domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ - domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT)) -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT)) - mcr p15, 0, r5, c3, c0, 0 @ load domain access register - mcr p15, 0, r4, c2, c0, 0 @ load page table pointer - #endif -diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c -index af791f4..3ff9821 100644 ---- a/arch/arm/kernel/module.c -+++ b/arch/arm/kernel/module.c -@@ -38,12 +38,39 @@ - #endif - - #ifdef CONFIG_MMU --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { -+ if (!size || PAGE_ALIGN(size) > MODULES_END - MODULES_VADDR) -+ return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -- GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ GFP_KERNEL, prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - } -+ -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif - #endif - - int -diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c -index 69bda1a..755113a 100644 ---- a/arch/arm/kernel/patch.c -+++ b/arch/arm/kernel/patch.c -@@ -66,6 +66,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - else - __acquire(&patch_lock); - -+ pax_open_kernel(); - if (thumb2 && __opcode_is_thumb16(insn)) { - *(u16 *)waddr = __opcode_to_mem_thumb16(insn); - size = sizeof(u16); -@@ -97,6 +98,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - *(u32 *)waddr = insn; - size = sizeof(u32); - } -+ pax_close_kernel(); - - if (waddr != addr) { - flush_kernel_vmap_range(waddr, twopage ? size / 2 : size); -diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c -index f192a2a..1a40523 100644 ---- a/arch/arm/kernel/process.c -+++ b/arch/arm/kernel/process.c -@@ -105,8 +105,8 @@ void __show_regs(struct pt_regs *regs) - - show_regs_print_info(KERN_DEFAULT); - -- print_symbol("PC is at %s\n", instruction_pointer(regs)); -- print_symbol("LR is at %s\n", regs->ARM_lr); -+ printk("PC is at %pA\n", (void *)instruction_pointer(regs)); -+ printk("LR is at %pA\n", (void *)regs->ARM_lr); - printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" - "sp : %08lx ip : %08lx fp : %08lx\n", - regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr, -@@ -283,12 +283,6 @@ unsigned long get_wchan(struct task_struct *p) - return 0; - } - --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long range_end = mm->brk + 0x02000000; -- return randomize_range(mm->brk, range_end, 0) ? : mm->brk; --} -- - #ifdef CONFIG_MMU - #ifdef CONFIG_KUSER_HELPERS - /* -@@ -304,7 +298,7 @@ static struct vm_area_struct gate_vma = { - - static int __init gate_vma_init(void) - { -- gate_vma.vm_page_prot = PAGE_READONLY_EXEC; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - return 0; - } - arch_initcall(gate_vma_init); -@@ -333,91 +327,13 @@ const char *arch_vma_name(struct vm_area_struct *vma) - return is_gate_vma(vma) ? "[vectors]" : NULL; - } - --/* If possible, provide a placement hint at a random offset from the -- * stack for the sigpage and vdso pages. -- */ --static unsigned long sigpage_addr(const struct mm_struct *mm, -- unsigned int npages) --{ -- unsigned long offset; -- unsigned long first; -- unsigned long last; -- unsigned long addr; -- unsigned int slots; -- -- first = PAGE_ALIGN(mm->start_stack); -- -- last = TASK_SIZE - (npages << PAGE_SHIFT); -- -- /* No room after stack? */ -- if (first > last) -- return 0; -- -- /* Just enough room? */ -- if (first == last) -- return first; -- -- slots = ((last - first) >> PAGE_SHIFT) + 1; -- -- offset = get_random_int() % slots; -- -- addr = first + (offset << PAGE_SHIFT); -- -- return addr; --} -- --static struct page *signal_page; --extern struct page *get_signal_page(void); -- --static const struct vm_special_mapping sigpage_mapping = { -- .name = "[sigpage]", -- .pages = &signal_page, --}; -- - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { - struct mm_struct *mm = current->mm; -- struct vm_area_struct *vma; -- unsigned long npages; -- unsigned long addr; -- unsigned long hint; -- int ret = 0; -- -- if (!signal_page) -- signal_page = get_signal_page(); -- if (!signal_page) -- return -ENOMEM; -- -- npages = 1; /* for sigpage */ -- npages += vdso_total_pages; - - down_write(&mm->mmap_sem); -- hint = sigpage_addr(mm, npages); -- addr = get_unmapped_area(NULL, hint, npages << PAGE_SHIFT, 0, 0); -- if (IS_ERR_VALUE(addr)) { -- ret = addr; -- goto up_fail; -- } -- -- vma = _install_special_mapping(mm, addr, PAGE_SIZE, -- VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, -- &sigpage_mapping); -- -- if (IS_ERR(vma)) { -- ret = PTR_ERR(vma); -- goto up_fail; -- } -- -- mm->context.sigpage = addr; -- -- /* Unlike the sigpage, failure to install the vdso is unlikely -- * to be fatal to the process, so no error check needed -- * here. -- */ -- arm_install_vdso(mm, addr + PAGE_SIZE); -- -- up_fail: -+ mm->context.sigpage = (PAGE_OFFSET + (get_random_int() % 0x3FFEFFE0)) & 0xFFFFFFFC; - up_write(&mm->mmap_sem); -- return ret; -+ return 0; - } - #endif -diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c -index f90fdf4..24e8c84 100644 ---- a/arch/arm/kernel/psci.c -+++ b/arch/arm/kernel/psci.c -@@ -26,7 +26,7 @@ - #include <asm/psci.h> - #include <asm/system_misc.h> - --struct psci_operations psci_ops; -+struct psci_operations psci_ops __read_only; - - static int (*invoke_psci_fn)(u32, u32, u32, u32); - typedef int (*psci_initcall_t)(const struct device_node *); -diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c -index ef9119f..31995a3 100644 ---- a/arch/arm/kernel/ptrace.c -+++ b/arch/arm/kernel/ptrace.c -@@ -928,10 +928,19 @@ static void tracehook_report_syscall(struct pt_regs *regs, - regs->ARM_ip = ip; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno) - { - current_thread_info()->syscall = scno; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* Do the secure computing check first; failures should be fast. */ - #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER - if (secure_computing() == -1) -diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c -index 1a4d232..2677169 100644 ---- a/arch/arm/kernel/reboot.c -+++ b/arch/arm/kernel/reboot.c -@@ -122,6 +122,7 @@ void machine_power_off(void) - - if (pm_power_off) - pm_power_off(); -+ while (1); - } - - /* -diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c -index 6c777e9..3d2d0ca 100644 ---- a/arch/arm/kernel/setup.c -+++ b/arch/arm/kernel/setup.c -@@ -105,21 +105,23 @@ EXPORT_SYMBOL(elf_hwcap); - unsigned int elf_hwcap2 __read_mostly; - EXPORT_SYMBOL(elf_hwcap2); - -+pteval_t __supported_pte_mask __read_only; -+pmdval_t __supported_pmd_mask __read_only; - - #ifdef MULTI_CPU --struct processor processor __read_mostly; -+struct processor processor __read_only; - #endif - #ifdef MULTI_TLB --struct cpu_tlb_fns cpu_tlb __read_mostly; -+struct cpu_tlb_fns cpu_tlb __read_only; - #endif - #ifdef MULTI_USER --struct cpu_user_fns cpu_user __read_mostly; -+struct cpu_user_fns cpu_user __read_only; - #endif - #ifdef MULTI_CACHE --struct cpu_cache_fns cpu_cache __read_mostly; -+struct cpu_cache_fns cpu_cache __read_only; - #endif - #ifdef CONFIG_OUTER_CACHE --struct outer_cache_fns outer_cache __read_mostly; -+struct outer_cache_fns outer_cache __read_only; - EXPORT_SYMBOL(outer_cache); - #endif - -@@ -250,9 +252,13 @@ static int __get_cpu_architecture(void) - * Register 0 and check for VMSAv7 or PMSAv7 */ - unsigned int mmfr0 = read_cpuid_ext(CPUID_EXT_MMFR0); - if ((mmfr0 & 0x0000000f) >= 0x00000003 || -- (mmfr0 & 0x000000f0) >= 0x00000030) -+ (mmfr0 & 0x000000f0) >= 0x00000030) { - cpu_arch = CPU_ARCH_ARMv7; -- else if ((mmfr0 & 0x0000000f) == 0x00000002 || -+ if ((mmfr0 & 0x0000000f) == 0x00000005 || (mmfr0 & 0x0000000f) == 0x00000004) { -+ __supported_pte_mask |= L_PTE_PXN; -+ __supported_pmd_mask |= PMD_PXNTABLE; -+ } -+ } else if ((mmfr0 & 0x0000000f) == 0x00000002 || - (mmfr0 & 0x000000f0) == 0x00000020) - cpu_arch = CPU_ARCH_ARMv6; - else -diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c -index 423663e..bfeb0ff 100644 ---- a/arch/arm/kernel/signal.c -+++ b/arch/arm/kernel/signal.c -@@ -24,8 +24,6 @@ - - extern const unsigned long sigreturn_codes[7]; - --static unsigned long signal_return_offset; -- - #ifdef CONFIG_CRUNCH - static int preserve_crunch_context(struct crunch_sigframe __user *frame) - { -@@ -385,8 +383,7 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, - * except when the MPU has protected the vectors - * page from PL0 - */ -- retcode = mm->context.sigpage + signal_return_offset + -- (idx << 2) + thumb; -+ retcode = mm->context.sigpage + (idx << 2) + thumb; - } else - #endif - { -@@ -592,33 +589,3 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) - } while (thread_flags & _TIF_WORK_MASK); - return 0; - } -- --struct page *get_signal_page(void) --{ -- unsigned long ptr; -- unsigned offset; -- struct page *page; -- void *addr; -- -- page = alloc_pages(GFP_KERNEL, 0); -- -- if (!page) -- return NULL; -- -- addr = page_address(page); -- -- /* Give the signal return code some randomness */ -- offset = 0x200 + (get_random_int() & 0x7fc); -- signal_return_offset = offset; -- -- /* -- * Copy signal return handlers into the vector page, and -- * set sigreturn to be a pointer to these. -- */ -- memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes)); -- -- ptr = (unsigned long)addr + offset; -- flush_icache_range(ptr, ptr + sizeof(sigreturn_codes)); -- -- return page; --} -diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c -index f11d825..bbe686f 100644 ---- a/arch/arm/kernel/smp.c -+++ b/arch/arm/kernel/smp.c -@@ -76,7 +76,7 @@ enum ipi_msg_type { - - static DECLARE_COMPLETION(cpu_running); - --static struct smp_operations smp_ops; -+static struct smp_operations smp_ops __read_only; - - void __init smp_set_ops(struct smp_operations *ops) - { -diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c -index 7a3be1d..b00c7de 100644 ---- a/arch/arm/kernel/tcm.c -+++ b/arch/arm/kernel/tcm.c -@@ -61,7 +61,7 @@ static struct map_desc itcm_iomap[] __initdata = { - .virtual = ITCM_OFFSET, - .pfn = __phys_to_pfn(ITCM_OFFSET), - .length = 0, -- .type = MT_MEMORY_RWX_ITCM, -+ .type = MT_MEMORY_RX_ITCM, - } - }; - -@@ -267,7 +267,9 @@ no_dtcm: - start = &__sitcm_text; - end = &__eitcm_text; - ram = &__itcm_start; -+ pax_open_kernel(); - memcpy(start, ram, itcm_code_sz); -+ pax_close_kernel(); - pr_debug("CPU ITCM: copied code from %p - %p\n", - start, end); - itcm_present = true; -diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c -index 3dce1a3..60e857f 100644 ---- a/arch/arm/kernel/traps.c -+++ b/arch/arm/kernel/traps.c -@@ -65,7 +65,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); - void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) - { - #ifdef CONFIG_KALLSYMS -- printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); -+ printk("[<%08lx>] (%pA) from [<%08lx>] (%pA)\n", where, (void *)where, from, (void *)from); - #else - printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); - #endif -@@ -267,6 +267,8 @@ static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED; - static int die_owner = -1; - static unsigned int die_nest_count; - -+extern void gr_handle_kernel_exploit(void); -+ - static unsigned long oops_begin(void) - { - int cpu; -@@ -309,6 +311,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - if (signr) - do_exit(signr); - } -@@ -878,7 +883,11 @@ void __init early_trap_init(void *vectors_base) - kuser_init(vectors_base); - - flush_icache_range(vectors, vectors + PAGE_SIZE * 2); -- modify_domain(DOMAIN_USER, DOMAIN_CLIENT); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF -+ modify_domain(DOMAIN_USER, DOMAIN_USERCLIENT); -+#endif -+ - #else /* ifndef CONFIG_CPU_V7M */ - /* - * on V7-M there is no need to copy the vector table to a dedicated -diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S -index 8b60fde..8d986dd 100644 ---- a/arch/arm/kernel/vmlinux.lds.S -+++ b/arch/arm/kernel/vmlinux.lds.S -@@ -37,7 +37,7 @@ - #endif - - #if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ -- defined(CONFIG_GENERIC_BUG) -+ defined(CONFIG_GENERIC_BUG) || defined(CONFIG_PAX_REFCOUNT) - #define ARM_EXIT_KEEP(x) x - #define ARM_EXIT_DISCARD(x) - #else -@@ -120,6 +120,8 @@ SECTIONS - #ifdef CONFIG_DEBUG_RODATA - . = ALIGN(1<<SECTION_SHIFT); - #endif -+ _etext = .; /* End of text section */ -+ - RO_DATA(PAGE_SIZE) - - . = ALIGN(4); -@@ -150,8 +152,6 @@ SECTIONS - - NOTES - -- _etext = .; /* End of text and rodata section */ -- - #ifndef CONFIG_XIP_KERNEL - # ifdef CONFIG_ARM_KERNMEM_PERMS - . = ALIGN(1<<SECTION_SHIFT); -diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c -index d9631ec..b0c966c 100644 ---- a/arch/arm/kvm/arm.c -+++ b/arch/arm/kvm/arm.c -@@ -57,7 +57,7 @@ static unsigned long hyp_default_vectors; - static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu); - - /* The VMID used in the VTTBR */ --static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1); -+static atomic64_unchecked_t kvm_vmid_gen = ATOMIC64_INIT(1); - static u8 kvm_next_vmid; - static DEFINE_SPINLOCK(kvm_vmid_lock); - -@@ -373,7 +373,7 @@ void force_vm_exit(const cpumask_t *mask) - */ - static bool need_new_vmid_gen(struct kvm *kvm) - { -- return unlikely(kvm->arch.vmid_gen != atomic64_read(&kvm_vmid_gen)); -+ return unlikely(kvm->arch.vmid_gen != atomic64_read_unchecked(&kvm_vmid_gen)); - } - - /** -@@ -406,7 +406,7 @@ static void update_vttbr(struct kvm *kvm) - - /* First user of a new VMID generation? */ - if (unlikely(kvm_next_vmid == 0)) { -- atomic64_inc(&kvm_vmid_gen); -+ atomic64_inc_unchecked(&kvm_vmid_gen); - kvm_next_vmid = 1; - - /* -@@ -423,7 +423,7 @@ static void update_vttbr(struct kvm *kvm) - kvm_call_hyp(__kvm_flush_vm_context); - } - -- kvm->arch.vmid_gen = atomic64_read(&kvm_vmid_gen); -+ kvm->arch.vmid_gen = atomic64_read_unchecked(&kvm_vmid_gen); - kvm->arch.vmid = kvm_next_vmid; - kvm_next_vmid++; - -@@ -1098,7 +1098,7 @@ struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr) - /** - * Initialize Hyp-mode and memory mappings on all CPUs. - */ --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - int err; - int ret, cpu; -diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S -index 1710fd7..ec3e014 100644 ---- a/arch/arm/lib/clear_user.S -+++ b/arch/arm/lib/clear_user.S -@@ -12,14 +12,14 @@ - - .text - --/* Prototype: int __clear_user(void *addr, size_t sz) -+/* Prototype: int ___clear_user(void *addr, size_t sz) - * Purpose : clear some user memory - * Params : addr - user memory address to clear - * : sz - number of bytes to clear - * Returns : number of bytes NOT cleared - */ - ENTRY(__clear_user_std) --WEAK(__clear_user) -+WEAK(___clear_user) - stmfd sp!, {r1, lr} - mov r2, #0 - cmp r1, #4 -@@ -44,7 +44,7 @@ WEAK(__clear_user) - USER( strnebt r2, [r0]) - mov r0, #0 - ldmfd sp!, {r1, pc} --ENDPROC(__clear_user) -+ENDPROC(___clear_user) - ENDPROC(__clear_user_std) - - .pushsection .text.fixup,"ax" -diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S -index 7a235b9..73a0556 100644 ---- a/arch/arm/lib/copy_from_user.S -+++ b/arch/arm/lib/copy_from_user.S -@@ -17,7 +17,7 @@ - /* - * Prototype: - * -- * size_t __copy_from_user(void *to, const void *from, size_t n) -+ * size_t ___copy_from_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -89,11 +89,11 @@ - - .text - --ENTRY(__copy_from_user) -+ENTRY(___copy_from_user) - - #include "copy_template.S" - --ENDPROC(__copy_from_user) -+ENDPROC(___copy_from_user) - - .pushsection .fixup,"ax" - .align 0 -diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S -index 6ee2f67..d1cce76 100644 ---- a/arch/arm/lib/copy_page.S -+++ b/arch/arm/lib/copy_page.S -@@ -10,6 +10,7 @@ - * ASM optimised string functions - */ - #include <linux/linkage.h> -+#include <linux/const.h> - #include <asm/assembler.h> - #include <asm/asm-offsets.h> - #include <asm/cache.h> -diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S -index 9648b06..19c333c 100644 ---- a/arch/arm/lib/copy_to_user.S -+++ b/arch/arm/lib/copy_to_user.S -@@ -17,7 +17,7 @@ - /* - * Prototype: - * -- * size_t __copy_to_user(void *to, const void *from, size_t n) -+ * size_t ___copy_to_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -93,11 +93,11 @@ - .text - - ENTRY(__copy_to_user_std) --WEAK(__copy_to_user) -+WEAK(___copy_to_user) - - #include "copy_template.S" - --ENDPROC(__copy_to_user) -+ENDPROC(___copy_to_user) - ENDPROC(__copy_to_user_std) - - .pushsection .text.fixup,"ax" -diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S -index 1d0957e..f708846 100644 ---- a/arch/arm/lib/csumpartialcopyuser.S -+++ b/arch/arm/lib/csumpartialcopyuser.S -@@ -57,8 +57,8 @@ - * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT - */ - --#define FN_ENTRY ENTRY(csum_partial_copy_from_user) --#define FN_EXIT ENDPROC(csum_partial_copy_from_user) -+#define FN_ENTRY ENTRY(__csum_partial_copy_from_user) -+#define FN_EXIT ENDPROC(__csum_partial_copy_from_user) - - #include "csumpartialcopygeneric.S" - -diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c -index 8044591..c9b2609 100644 ---- a/arch/arm/lib/delay.c -+++ b/arch/arm/lib/delay.c -@@ -29,7 +29,7 @@ - /* - * Default to the loop-based delay implementation. - */ --struct arm_delay_ops arm_delay_ops = { -+struct arm_delay_ops arm_delay_ops __read_only = { - .delay = __loop_delay, - .const_udelay = __loop_const_udelay, - .udelay = __loop_udelay, -diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c -index 3e58d71..029817c 100644 ---- a/arch/arm/lib/uaccess_with_memcpy.c -+++ b/arch/arm/lib/uaccess_with_memcpy.c -@@ -136,7 +136,7 @@ out: - } - - unsigned long --__copy_to_user(void __user *to, const void *from, unsigned long n) -+___copy_to_user(void __user *to, const void *from, unsigned long n) - { - /* - * This test is stubbed out of the main function above to keep -@@ -190,7 +190,7 @@ out: - return n; - } - --unsigned long __clear_user(void __user *addr, unsigned long n) -+unsigned long ___clear_user(void __user *addr, unsigned long n) - { - /* See rational for this in __copy_to_user() above. */ - if (n < 64) -diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c -index 7d23ce0..5ef383a 100644 ---- a/arch/arm/mach-exynos/suspend.c -+++ b/arch/arm/mach-exynos/suspend.c -@@ -738,8 +738,10 @@ void __init exynos_pm_init(void) - tmp |= pm_data->wake_disable_mask; - pmu_raw_writel(tmp, S5P_WAKEUP_MASK); - -- exynos_pm_syscore_ops.suspend = pm_data->pm_suspend; -- exynos_pm_syscore_ops.resume = pm_data->pm_resume; -+ pax_open_kernel(); -+ *(void **)&exynos_pm_syscore_ops.suspend = pm_data->pm_suspend; -+ *(void **)&exynos_pm_syscore_ops.resume = pm_data->pm_resume; -+ pax_close_kernel(); - - register_syscore_ops(&exynos_pm_syscore_ops); - suspend_set_ops(&exynos_suspend_ops); -diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c -index 0662087..004d163 100644 ---- a/arch/arm/mach-keystone/keystone.c -+++ b/arch/arm/mach-keystone/keystone.c -@@ -27,7 +27,7 @@ - - #include "keystone.h" - --static struct notifier_block platform_nb; -+static notifier_block_no_const platform_nb; - static unsigned long keystone_dma_pfn_offset __read_mostly; - - static int keystone_platform_notifier(struct notifier_block *nb, -diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c -index e46e9ea..9141c83 100644 ---- a/arch/arm/mach-mvebu/coherency.c -+++ b/arch/arm/mach-mvebu/coherency.c -@@ -117,7 +117,7 @@ static void __init armada_370_coherency_init(struct device_node *np) - - /* - * This ioremap hook is used on Armada 375/38x to ensure that PCIe -- * memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This -+ * memory areas are mapped as MT_UNCACHED_RW instead of MT_DEVICE. This - * is needed as a workaround for a deadlock issue between the PCIe - * interface and the cache controller. - */ -@@ -130,7 +130,7 @@ armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size, - mvebu_mbus_get_pcie_mem_aperture(&pcie_mem); - - if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end) -- mtype = MT_UNCACHED; -+ mtype = MT_UNCACHED_RW; - - return __arm_ioremap_caller(phys_addr, size, mtype, caller); - } -diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c -index b6443a4..20a0b74 100644 ---- a/arch/arm/mach-omap2/board-n8x0.c -+++ b/arch/arm/mach-omap2/board-n8x0.c -@@ -569,7 +569,7 @@ static int n8x0_menelaus_late_init(struct device *dev) - } - #endif - --struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { -+struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = { - .late_init = n8x0_menelaus_late_init, - }; - -diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -index 79f49d9..70bf184 100644 ---- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c -+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -@@ -86,7 +86,7 @@ struct cpu_pm_ops { - void (*resume)(void); - void (*scu_prepare)(unsigned int cpu_id, unsigned int cpu_state); - void (*hotplug_restart)(void); --}; -+} __no_const; - - static DEFINE_PER_CPU(struct omap4_cpu_pm_info, omap4_pm_info); - static struct powerdomain *mpuss_pd; -@@ -105,7 +105,7 @@ static void dummy_cpu_resume(void) - static void dummy_scu_prepare(unsigned int cpu_id, unsigned int cpu_state) - {} - --struct cpu_pm_ops omap_pm_ops = { -+static struct cpu_pm_ops omap_pm_ops __read_only = { - .finish_suspend = default_finish_suspend, - .resume = dummy_cpu_resume, - .scu_prepare = dummy_scu_prepare, -diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c -index 5305ec7..6d74045 100644 ---- a/arch/arm/mach-omap2/omap-smp.c -+++ b/arch/arm/mach-omap2/omap-smp.c -@@ -19,6 +19,7 @@ - #include <linux/device.h> - #include <linux/smp.h> - #include <linux/io.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - - #include <asm/smp_scu.h> -diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c -index 6833df4..3e059b2 100644 ---- a/arch/arm/mach-omap2/omap-wakeupgen.c -+++ b/arch/arm/mach-omap2/omap-wakeupgen.c -@@ -330,7 +330,7 @@ static int irq_cpu_hotplug_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata irq_hotplug_notifier = { -+static struct notifier_block irq_hotplug_notifier = { - .notifier_call = irq_cpu_hotplug_notify, - }; - -diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c -index 166b18f..f985f04 100644 ---- a/arch/arm/mach-omap2/omap_device.c -+++ b/arch/arm/mach-omap2/omap_device.c -@@ -510,7 +510,7 @@ void omap_device_delete(struct omap_device *od) - struct platform_device __init *omap_device_build(const char *pdev_name, - int pdev_id, - struct omap_hwmod *oh, -- void *pdata, int pdata_len) -+ const void *pdata, int pdata_len) - { - struct omap_hwmod *ohs[] = { oh }; - -@@ -538,7 +538,7 @@ struct platform_device __init *omap_device_build(const char *pdev_name, - struct platform_device __init *omap_device_build_ss(const char *pdev_name, - int pdev_id, - struct omap_hwmod **ohs, -- int oh_cnt, void *pdata, -+ int oh_cnt, const void *pdata, - int pdata_len) - { - int ret = -ENOMEM; -diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h -index 78c02b3..c94109a 100644 ---- a/arch/arm/mach-omap2/omap_device.h -+++ b/arch/arm/mach-omap2/omap_device.h -@@ -72,12 +72,12 @@ int omap_device_idle(struct platform_device *pdev); - /* Core code interface */ - - struct platform_device *omap_device_build(const char *pdev_name, int pdev_id, -- struct omap_hwmod *oh, void *pdata, -+ struct omap_hwmod *oh, const void *pdata, - int pdata_len); - - struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **oh, int oh_cnt, -- void *pdata, int pdata_len); -+ const void *pdata, int pdata_len); - - struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt); -diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c -index 5286e77..fdd234c 100644 ---- a/arch/arm/mach-omap2/omap_hwmod.c -+++ b/arch/arm/mach-omap2/omap_hwmod.c -@@ -199,10 +199,10 @@ struct omap_hwmod_soc_ops { - int (*init_clkdm)(struct omap_hwmod *oh); - void (*update_context_lost)(struct omap_hwmod *oh); - int (*get_context_lost)(struct omap_hwmod *oh); --}; -+} __no_const; - - /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */ --static struct omap_hwmod_soc_ops soc_ops; -+static struct omap_hwmod_soc_ops soc_ops __read_only; - - /* omap_hwmod_list contains all registered struct omap_hwmods */ - static LIST_HEAD(omap_hwmod_list); -diff --git a/arch/arm/mach-omap2/powerdomains43xx_data.c b/arch/arm/mach-omap2/powerdomains43xx_data.c -index 95fee54..cfa9cf1 100644 ---- a/arch/arm/mach-omap2/powerdomains43xx_data.c -+++ b/arch/arm/mach-omap2/powerdomains43xx_data.c -@@ -10,6 +10,7 @@ - - #include <linux/kernel.h> - #include <linux/init.h> -+#include <asm/pgtable.h> - - #include "powerdomain.h" - -@@ -129,7 +130,9 @@ static int am43xx_check_vcvp(void) - - void __init am43xx_powerdomains_init(void) - { -- omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; -+ pax_open_kernel(); -+ *(void **)&omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; -+ pax_close_kernel(); - pwrdm_register_platform_funcs(&omap4_pwrdm_operations); - pwrdm_register_pwrdms(powerdomains_am43xx); - pwrdm_complete_init(); -diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c -index ff0a68c..b312aa0 100644 ---- a/arch/arm/mach-omap2/wd_timer.c -+++ b/arch/arm/mach-omap2/wd_timer.c -@@ -110,7 +110,9 @@ static int __init omap_init_wdt(void) - struct omap_hwmod *oh; - char *oh_name = "wd_timer2"; - char *dev_name = "omap_wdt"; -- struct omap_wd_timer_platform_data pdata; -+ static struct omap_wd_timer_platform_data pdata = { -+ .read_reset_sources = prm_read_reset_sources -+ }; - - if (!cpu_class_is_omap2() || of_have_populated_dt()) - return 0; -@@ -121,8 +123,6 @@ static int __init omap_init_wdt(void) - return -EINVAL; - } - -- pdata.read_reset_sources = prm_read_reset_sources; -- - pdev = omap_device_build(dev_name, id, oh, &pdata, - sizeof(struct omap_wd_timer_platform_data)); - WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", -diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c -index 7469347..1ecc350 100644 ---- a/arch/arm/mach-tegra/cpuidle-tegra20.c -+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c -@@ -177,7 +177,7 @@ static int tegra20_idle_lp2_coupled(struct cpuidle_device *dev, - bool entered_lp2 = false; - - if (tegra_pending_sgi()) -- ACCESS_ONCE(abort_flag) = true; -+ ACCESS_ONCE_RW(abort_flag) = true; - - cpuidle_coupled_parallel_barrier(dev, &abort_barrier); - -diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c -index 3b9098d..15b390f 100644 ---- a/arch/arm/mach-tegra/irq.c -+++ b/arch/arm/mach-tegra/irq.c -@@ -20,6 +20,7 @@ - #include <linux/cpu_pm.h> - #include <linux/interrupt.h> - #include <linux/io.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include <linux/irq.h> - #include <linux/kernel.h> -diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c -index 2cb587b..6ddfebf 100644 ---- a/arch/arm/mach-ux500/pm.c -+++ b/arch/arm/mach-ux500/pm.c -@@ -10,6 +10,7 @@ - */ - - #include <linux/kernel.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include <linux/delay.h> - #include <linux/io.h> -diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h -index 2dea8b5..6499da2 100644 ---- a/arch/arm/mach-ux500/setup.h -+++ b/arch/arm/mach-ux500/setup.h -@@ -33,13 +33,6 @@ extern void ux500_timer_init(void); - .type = MT_DEVICE, \ - } - --#define __MEM_DEV_DESC(x, sz) { \ -- .virtual = IO_ADDRESS(x), \ -- .pfn = __phys_to_pfn(x), \ -- .length = sz, \ -- .type = MT_MEMORY_RWX, \ --} -- - extern struct smp_operations ux500_smp_ops; - extern void ux500_cpu_die(unsigned int cpu); - -diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c -index f66816c..228b951 100644 ---- a/arch/arm/mach-zynq/platsmp.c -+++ b/arch/arm/mach-zynq/platsmp.c -@@ -24,6 +24,7 @@ - #include <linux/io.h> - #include <asm/cacheflush.h> - #include <asm/smp_scu.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include "common.h" - -diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig -index b4f92b9..ffefea9 100644 ---- a/arch/arm/mm/Kconfig -+++ b/arch/arm/mm/Kconfig -@@ -446,6 +446,7 @@ config CPU_32v5 - - config CPU_32v6 - bool -+ select CPU_USE_DOMAINS if CPU_V6 && MMU && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - select TLS_REG_EMUL if !CPU_32v6K && !MMU - - config CPU_32v6K -@@ -600,6 +601,7 @@ config CPU_CP15_MPU - - config CPU_USE_DOMAINS - bool -+ depends on !ARM_LPAE && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - help - This option enables or disables the use of domain switching - via the set_fs() function. -@@ -798,7 +800,7 @@ config NEED_KUSER_HELPERS - - config KUSER_HELPERS - bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS -- depends on MMU -+ depends on MMU && (!(CPU_V6 || CPU_V6K || CPU_V7) || GRKERNSEC_OLD_ARM_USERLAND) - default y - help - Warning: disabling this option may break user programs. -@@ -812,7 +814,7 @@ config KUSER_HELPERS - See Documentation/arm/kernel_user_helpers.txt for details. - - However, the fixed address nature of these helpers can be used -- by ROP (return orientated programming) authors when creating -+ by ROP (Return Oriented Programming) authors when creating - exploits. - - If all of the binaries and libraries which run on your platform -diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c -index 9769f1e..16aaa55 100644 ---- a/arch/arm/mm/alignment.c -+++ b/arch/arm/mm/alignment.c -@@ -216,10 +216,12 @@ union offset_union { - #define __get16_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v, a = addr; \ -+ pax_open_userland(); \ - __get8_unaligned_check(ins,v,a,err); \ - val = v << ((BE) ? 8 : 0); \ - __get8_unaligned_check(ins,v,a,err); \ - val |= v << ((BE) ? 0 : 8); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -233,6 +235,7 @@ union offset_union { - #define __get32_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v, a = addr; \ -+ pax_open_userland(); \ - __get8_unaligned_check(ins,v,a,err); \ - val = v << ((BE) ? 24 : 0); \ - __get8_unaligned_check(ins,v,a,err); \ -@@ -241,6 +244,7 @@ union offset_union { - val |= v << ((BE) ? 8 : 16); \ - __get8_unaligned_check(ins,v,a,err); \ - val |= v << ((BE) ? 0 : 24); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -254,6 +258,7 @@ union offset_union { - #define __put16_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v = val, a = addr; \ -+ pax_open_userland(); \ - __asm__( FIRST_BYTE_16 \ - ARM( "1: "ins" %1, [%2], #1\n" ) \ - THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -273,6 +278,7 @@ union offset_union { - " .popsection\n" \ - : "=r" (err), "=&r" (v), "=&r" (a) \ - : "0" (err), "1" (v), "2" (a)); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -286,6 +292,7 @@ union offset_union { - #define __put32_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v = val, a = addr; \ -+ pax_open_userland(); \ - __asm__( FIRST_BYTE_32 \ - ARM( "1: "ins" %1, [%2], #1\n" ) \ - THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -315,6 +322,7 @@ union offset_union { - " .popsection\n" \ - : "=r" (err), "=&r" (v), "=&r" (a) \ - : "0" (err), "1" (v), "2" (a)); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c -index e309c8f..f8965e8 100644 ---- a/arch/arm/mm/cache-l2x0.c -+++ b/arch/arm/mm/cache-l2x0.c -@@ -43,7 +43,7 @@ struct l2c_init_data { - void (*save)(void __iomem *); - void (*configure)(void __iomem *); - struct outer_cache_fns outer_cache; --}; -+} __do_const; - - #define CACHE_LINE_SIZE 32 - -diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c -index 845769e..4278fd7 100644 ---- a/arch/arm/mm/context.c -+++ b/arch/arm/mm/context.c -@@ -43,7 +43,7 @@ - #define NUM_USER_ASIDS ASID_FIRST_VERSION - - static DEFINE_RAW_SPINLOCK(cpu_asid_lock); --static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); -+static atomic64_unchecked_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); - static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS); - - static DEFINE_PER_CPU(atomic64_t, active_asids); -@@ -178,7 +178,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - { - static u32 cur_idx = 1; - u64 asid = atomic64_read(&mm->context.id); -- u64 generation = atomic64_read(&asid_generation); -+ u64 generation = atomic64_read_unchecked(&asid_generation); - - if (asid != 0) { - /* -@@ -208,7 +208,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - */ - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx); - if (asid == NUM_USER_ASIDS) { -- generation = atomic64_add_return(ASID_FIRST_VERSION, -+ generation = atomic64_add_return_unchecked(ASID_FIRST_VERSION, - &asid_generation); - flush_context(cpu); - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1); -@@ -240,14 +240,14 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) - cpu_set_reserved_ttbr0(); - - asid = atomic64_read(&mm->context.id); -- if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) -+ if (!((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) - && atomic64_xchg(&per_cpu(active_asids, cpu), asid)) - goto switch_mm_fastpath; - - raw_spin_lock_irqsave(&cpu_asid_lock, flags); - /* Check that our ASID belongs to the current generation. */ - asid = atomic64_read(&mm->context.id); -- if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) { -+ if ((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) { - asid = new_context(mm, cpu); - atomic64_set(&mm->context.id, asid); - } -diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c -index 6333d9c..3bb19f2 100644 ---- a/arch/arm/mm/fault.c -+++ b/arch/arm/mm/fault.c -@@ -25,6 +25,7 @@ - #include <asm/system_misc.h> - #include <asm/system_info.h> - #include <asm/tlbflush.h> -+#include <asm/sections.h> - - #include "fault.h" - -@@ -138,6 +139,31 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr, - if (fixup_exception(regs)) - return; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if ((fsr & FSR_WRITE) && -+ (((unsigned long)_stext <= addr && addr < init_mm.end_code) || -+ (MODULES_VADDR <= addr && addr < MODULES_END))) -+ { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - /* - * No handler, we'll have to terminate things with extreme prejudice. - */ -@@ -173,6 +199,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr, - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (fsr & FSR_LNX_PF) { -+ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.address = addr; - tsk->thread.error_code = fsr; - tsk->thread.trap_no = 14; -@@ -400,6 +433,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - } - #endif /* CONFIG_MMU */ - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (__force unsigned char __user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-4: "); -+ for (i = -1; i < 20; i++) { -+ unsigned long c; -+ if (get_user(c, (__force unsigned long __user *)sp+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08lx ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * First Level Translation Fault Handler - * -@@ -547,9 +607,22 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - const struct fsr_info *inf = fsr_info + fsr_fs(fsr); - struct siginfo info; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE && is_domain_fault(fsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ goto die; -+ } -+#endif -+ - if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled fault: %s (0x%03x) at 0x%08lx\n", - inf->name, fsr, addr); - show_pte(current->mm, addr); -@@ -574,15 +647,104 @@ hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs * - ifsr_info[nr].name = name; - } - -+asmlinkage int sys_sigreturn(struct pt_regs *regs); -+asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); -+ - asmlinkage void __exception - do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs) - { - const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr); - struct siginfo info; -+ unsigned long pc = instruction_pointer(regs); -+ -+ if (user_mode(regs)) { -+ unsigned long sigpage = current->mm->context.sigpage; -+ -+ if (sigpage <= pc && pc < sigpage + 7*4) { -+ if (pc < sigpage + 3*4) -+ sys_sigreturn(regs); -+ else -+ sys_rt_sigreturn(regs); -+ return; -+ } -+ if (pc == 0xffff0f60UL) { -+ /* -+ * PaX: __kuser_cmpxchg64 emulation -+ */ -+ // TODO -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fa0UL) { -+ /* -+ * PaX: __kuser_memory_barrier emulation -+ */ -+ // dmb(); implied by the exception -+ regs->ARM_pc = regs->ARM_lr; -+ return; -+ } -+ if (pc == 0xffff0fc0UL) { -+ /* -+ * PaX: __kuser_cmpxchg emulation -+ */ -+ // TODO -+ //long new; -+ //int op; -+ -+ //op = FUTEX_OP_SET << 28; -+ //new = futex_atomic_op_inuser(op, regs->ARM_r2); -+ //regs->ARM_r0 = old != new; -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fe0UL) { -+ /* -+ * PaX: __kuser_get_tls emulation -+ */ -+ regs->ARM_r0 = current_thread_info()->tp_value[0]; -+ regs->ARM_pc = regs->ARM_lr; -+ return; -+ } -+ } -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ else if (is_domain_fault(ifsr) || is_xn_fault(ifsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ goto die; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fsr_fs(ifsr) == FAULT_CODE_DEBUG) { -+#ifdef CONFIG_THUMB2_KERNEL -+ unsigned short bkpt; -+ -+ if (!probe_kernel_address(pc, bkpt) && cpu_to_le16(bkpt) == 0xbef1) { -+#else -+ unsigned int bkpt; -+ -+ if (!probe_kernel_address(pc, bkpt) && cpu_to_le32(bkpt) == 0xe12f1073) { -+#endif -+ current->thread.error_code = ifsr; -+ current->thread.trap_no = 0; -+ pax_report_refcount_overflow(regs); -+ fixup_exception(regs); -+ return; -+ } -+ } -+#endif - - if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n", - inf->name, ifsr, addr); - -diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h -index cf08bdf..772656c 100644 ---- a/arch/arm/mm/fault.h -+++ b/arch/arm/mm/fault.h -@@ -3,6 +3,7 @@ - - /* - * Fault status register encodings. We steal bit 31 for our own purposes. -+ * Set when the FSR value is from an instruction fault. - */ - #define FSR_LNX_PF (1 << 31) - #define FSR_WRITE (1 << 11) -@@ -22,6 +23,17 @@ static inline int fsr_fs(unsigned int fsr) - } - #endif - -+/* valid for LPAE and !LPAE */ -+static inline int is_xn_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0x3c) == 0xc); -+} -+ -+static inline int is_domain_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0xD) == 0x9); -+} -+ - void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); - unsigned long search_exception_table(unsigned long addr); - -diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c -index be92fa0..5252d7e 100644 ---- a/arch/arm/mm/init.c -+++ b/arch/arm/mm/init.c -@@ -709,7 +709,46 @@ void free_tcmmem(void) - { - #ifdef CONFIG_HAVE_TCM - extern char __tcm_start, __tcm_end; -+#endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long addr; -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ int cpu_arch = cpu_architecture(); -+ unsigned int cr = get_cr(); -+ -+ if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) { -+ /* make pages tables, etc before .text NX */ -+ for (addr = PAGE_OFFSET; addr < (unsigned long)_stext; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make init NX */ -+ for (addr = (unsigned long)__init_begin; addr < (unsigned long)_sdata; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make kernel code/rodata RX */ -+ for (addr = (unsigned long)_stext; addr < (unsigned long)__init_begin; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_ARM_LPAE -+ __section_update(pmd, addr, PMD_SECT_RDONLY); -+#else -+ __section_update(pmd, addr, PMD_SECT_APX|PMD_SECT_AP_WRITE); -+#endif -+ } -+ } -+#endif -+ -+#ifdef CONFIG_HAVE_TCM - poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start); - free_reserved_area(&__tcm_start, &__tcm_end, -1, "TCM link"); - #endif -diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c -index d1e5ad7..84dcbf2 100644 ---- a/arch/arm/mm/ioremap.c -+++ b/arch/arm/mm/ioremap.c -@@ -392,9 +392,9 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached) - unsigned int mtype; - - if (cached) -- mtype = MT_MEMORY_RWX; -+ mtype = MT_MEMORY_RX; - else -- mtype = MT_MEMORY_RWX_NONCACHED; -+ mtype = MT_MEMORY_RX_NONCACHED; - - return __arm_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); -diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c -index 407dc78..047ce9d 100644 ---- a/arch/arm/mm/mmap.c -+++ b/arch/arm/mm/mmap.c -@@ -59,6 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -81,6 +82,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (len > TASK_SIZE) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -88,8 +93,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -99,6 +103,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = TASK_SIZE; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -112,6 +117,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long addr = addr0; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -132,6 +138,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_align) -@@ -139,8 +149,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - else - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -150,6 +159,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -183,14 +193,30 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c -index 7186382..0c145cf 100644 ---- a/arch/arm/mm/mmu.c -+++ b/arch/arm/mm/mmu.c -@@ -41,6 +41,22 @@ - #include "mm.h" - #include "tcm.h" - -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+void modify_domain(unsigned int dom, unsigned int type) -+{ -+ struct thread_info *thread = current_thread_info(); -+ unsigned int domain = thread->cpu_domain; -+ /* -+ * DOMAIN_MANAGER might be defined to some other value, -+ * use the arch-defined constant -+ */ -+ domain &= ~domain_val(dom, 3); -+ thread->cpu_domain = domain | domain_val(dom, type); -+ set_domain(thread->cpu_domain); -+} -+EXPORT_SYMBOL(modify_domain); -+#endif -+ - /* - * empty_zero_page is a special page that is used for - * zero-initialized data and COW. -@@ -242,7 +258,15 @@ __setup("noalign", noalign_setup); - #define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE - #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE - --static struct mem_type mem_types[] = { -+#ifdef CONFIG_PAX_KERNEXEC -+#define L_PTE_KERNEXEC L_PTE_RDONLY -+#define PMD_SECT_KERNEXEC PMD_SECT_RDONLY -+#else -+#define L_PTE_KERNEXEC L_PTE_DIRTY -+#define PMD_SECT_KERNEXEC PMD_SECT_AP_WRITE -+#endif -+ -+static struct mem_type mem_types[] __read_only = { - [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ - .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | - L_PTE_SHARED, -@@ -271,19 +295,19 @@ static struct mem_type mem_types[] = { - .prot_sect = PROT_SECT_DEVICE, - .domain = DOMAIN_IO, - }, -- [MT_UNCACHED] = { -+ [MT_UNCACHED_RW] = { - .prot_pte = PROT_PTE_DEVICE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_IO, - }, -- [MT_CACHECLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ [MT_CACHECLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #ifndef CONFIG_ARM_LPAE -- [MT_MINICLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_MINICACHE, -+ [MT_MINICLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #endif -@@ -291,15 +315,15 @@ static struct mem_type mem_types[] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_RDONLY, - .prot_l1 = PMD_TYPE_TABLE, -- .domain = DOMAIN_USER, -+ .domain = DOMAIN_VECTORS, - }, - [MT_HIGH_VECTORS] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_USER | L_PTE_RDONLY, - .prot_l1 = PMD_TYPE_TABLE, -- .domain = DOMAIN_USER, -+ .domain = DOMAIN_VECTORS, - }, -- [MT_MEMORY_RWX] = { -+ [__MT_MEMORY_RWX] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, -@@ -312,17 +336,30 @@ static struct mem_type mem_types[] = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -- [MT_ROM] = { -- .prot_sect = PMD_TYPE_SECT, -+ [MT_MEMORY_RX] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, -+ [MT_ROM_RX] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_NONCACHED] = { -+ [MT_MEMORY_RW_NONCACHED] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_BUFFERABLE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -+ [MT_MEMORY_RX_NONCACHED] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC | -+ L_PTE_MT_BUFFERABLE, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, - [MT_MEMORY_RW_DTCM] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_XN, -@@ -330,9 +367,10 @@ static struct mem_type mem_types[] = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_ITCM] = { -- .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, -+ [MT_MEMORY_RX_ITCM] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, - .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, - .domain = DOMAIN_KERNEL, - }, - [MT_MEMORY_RW_SO] = { -@@ -544,9 +582,14 @@ static void __init build_mem_type_table(void) - * Mark cache clean areas and XIP ROM read only - * from SVC mode and no access from userspace. - */ -- mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_ROM_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#ifdef CONFIG_PAX_KERNEXEC -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_ITCM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#endif -+ mem_types[MT_MINICLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; - #endif - - /* -@@ -563,13 +606,17 @@ static void __init build_mem_type_table(void) - mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED; - mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; - mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_RW].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY_RW].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_pte |= L_PTE_SHARED; - } - } - -@@ -580,15 +627,20 @@ static void __init build_mem_type_table(void) - if (cpu_arch >= CPU_ARCH_ARMv6) { - if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) { - /* Non-cacheable Normal is XCB = 001 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_BUFFERED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_BUFFERED; - } else { - /* For both ARMv6 and non-TEX-remapping ARMv7 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_TEX(1); -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_TEX(1); - } - } else { -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; - } - - #ifdef CONFIG_ARM_LPAE -@@ -609,6 +661,8 @@ static void __init build_mem_type_table(void) - user_pgprot |= PTE_EXT_PXN; - #endif - -+ user_pgprot |= __supported_pte_mask; -+ - for (i = 0; i < 16; i++) { - pteval_t v = pgprot_val(protection_map[i]); - protection_map[i] = __pgprot(v | user_pgprot); -@@ -626,21 +680,24 @@ static void __init build_mem_type_table(void) - - mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask; - mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask; -- mem_types[MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -- mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd; - mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot; -+ mem_types[MT_MEMORY_RX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[MT_MEMORY_RX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask; -- mem_types[MT_ROM].prot_sect |= cp->pmd; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_ROM_RX].prot_sect |= cp->pmd; - - switch (cp->pmd) { - case PMD_SECT_WT: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WT; - break; - case PMD_SECT_WB: - case PMD_SECT_WBWA: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WB; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WB; - break; - } - pr_info("Memory policy: %sData cache %s\n", -@@ -854,7 +911,7 @@ static void __init create_mapping(struct map_desc *md) - return; - } - -- if ((md->type == MT_DEVICE || md->type == MT_ROM) && -+ if ((md->type == MT_DEVICE || md->type == MT_ROM_RX) && - md->virtual >= PAGE_OFFSET && - (md->virtual < VMALLOC_START || md->virtual >= VMALLOC_END)) { - pr_warn("BUG: mapping for 0x%08llx at 0x%08lx out of vmalloc space\n", -@@ -1218,18 +1275,15 @@ void __init arm_mm_memblock_reserve(void) - * called function. This means you can't use any function or debugging - * method which may touch any device, otherwise the kernel _will_ crash. - */ -+ -+static char vectors[PAGE_SIZE * 2] __read_only __aligned(PAGE_SIZE); -+ - static void __init devicemaps_init(const struct machine_desc *mdesc) - { - struct map_desc map; - unsigned long addr; -- void *vectors; - -- /* -- * Allocate the vector page early. -- */ -- vectors = early_alloc(PAGE_SIZE * 2); -- -- early_trap_init(vectors); -+ early_trap_init(&vectors); - - for (addr = VMALLOC_START; addr; addr += PMD_SIZE) - pmd_clear(pmd_off_k(addr)); -@@ -1242,7 +1296,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); - map.virtual = MODULES_VADDR; - map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; -- map.type = MT_ROM; -+ map.type = MT_ROM_RX; - create_mapping(&map); - #endif - -@@ -1253,14 +1307,14 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS); - map.virtual = FLUSH_BASE; - map.length = SZ_1M; -- map.type = MT_CACHECLEAN; -+ map.type = MT_CACHECLEAN_RO; - create_mapping(&map); - #endif - #ifdef FLUSH_BASE_MINICACHE - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M); - map.virtual = FLUSH_BASE_MINICACHE; - map.length = SZ_1M; -- map.type = MT_MINICLEAN; -+ map.type = MT_MINICLEAN_RO; - create_mapping(&map); - #endif - -@@ -1269,7 +1323,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - * location (0xffff0000). If we aren't using high-vectors, also - * create a mapping at the low-vectors virtual address. - */ -- map.pfn = __phys_to_pfn(virt_to_phys(vectors)); -+ map.pfn = __phys_to_pfn(virt_to_phys(&vectors)); - map.virtual = 0xffff0000; - map.length = PAGE_SIZE; - #ifdef CONFIG_KUSER_HELPERS -@@ -1329,8 +1383,10 @@ static void __init kmap_init(void) - static void __init map_lowmem(void) - { - struct memblock_region *reg; -+#ifndef CONFIG_PAX_KERNEXEC - phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); - phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); -+#endif - - /* Map all the lowmem memory banks. */ - for_each_memblock(memory, reg) { -@@ -1343,11 +1399,48 @@ static void __init map_lowmem(void) - if (start >= end) - break; - -+#ifdef CONFIG_PAX_KERNEXEC -+ map.pfn = __phys_to_pfn(start); -+ map.virtual = __phys_to_virt(start); -+ map.length = end - start; -+ -+ if (map.virtual <= (unsigned long)_stext && ((unsigned long)_end < (map.virtual + map.length))) { -+ struct map_desc kernel; -+ struct map_desc initmap; -+ -+ /* when freeing initmem we will make this RW */ -+ initmap.pfn = __phys_to_pfn(__pa(__init_begin)); -+ initmap.virtual = (unsigned long)__init_begin; -+ initmap.length = _sdata - __init_begin; -+ initmap.type = __MT_MEMORY_RWX; -+ create_mapping(&initmap); -+ -+ /* when freeing initmem we will make this RX */ -+ kernel.pfn = __phys_to_pfn(__pa(_stext)); -+ kernel.virtual = (unsigned long)_stext; -+ kernel.length = __init_begin - _stext; -+ kernel.type = __MT_MEMORY_RWX; -+ create_mapping(&kernel); -+ -+ if (map.virtual < (unsigned long)_stext) { -+ map.length = (unsigned long)_stext - map.virtual; -+ map.type = __MT_MEMORY_RWX; -+ create_mapping(&map); -+ } -+ -+ map.pfn = __phys_to_pfn(__pa(_sdata)); -+ map.virtual = (unsigned long)_sdata; -+ map.length = end - __pa(_sdata); -+ } -+ -+ map.type = MT_MEMORY_RW; -+ create_mapping(&map); -+#else - if (end < kernel_x_start) { - map.pfn = __phys_to_pfn(start); - map.virtual = __phys_to_virt(start); - map.length = end - start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - } else if (start >= kernel_x_end) { -@@ -1371,7 +1464,7 @@ static void __init map_lowmem(void) - map.pfn = __phys_to_pfn(kernel_x_start); - map.virtual = __phys_to_virt(kernel_x_start); - map.length = kernel_x_end - kernel_x_start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - -@@ -1384,6 +1477,7 @@ static void __init map_lowmem(void) - create_mapping(&map); - } - } -+#endif - } - } - -diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c -index e0e2358..96c6791 100644 ---- a/arch/arm/net/bpf_jit_32.c -+++ b/arch/arm/net/bpf_jit_32.c -@@ -20,6 +20,7 @@ - #include <asm/cacheflush.h> - #include <asm/hwcap.h> - #include <asm/opcodes.h> -+#include <asm/pgtable.h> - - #include "bpf_jit_32.h" - -@@ -72,7 +73,11 @@ struct jit_ctx { - #endif - }; - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - - static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) - { -@@ -179,8 +184,10 @@ static void jit_fill_hole(void *area, unsigned int size) - { - u32 *ptr; - /* We are guaranteed to have aligned memory. */ -+ pax_open_kernel(); - for (ptr = area; size >= sizeof(u32); size -= sizeof(u32)) - *ptr++ = __opcode_to_mem_arm(ARM_INST_UDF); -+ pax_close_kernel(); - } - - static void build_prologue(struct jit_ctx *ctx) -@@ -547,7 +554,7 @@ load_common: - emit(ARM_SUB_I(r_scratch, r_skb_hl, - 1 << load_order), ctx); - emit(ARM_CMP_R(r_scratch, r_off), ctx); -- condt = ARM_COND_HS; -+ condt = ARM_COND_GE; - } else { - emit(ARM_CMP_R(r_skb_hl, r_off), ctx); - condt = ARM_COND_HI; -@@ -860,9 +867,11 @@ b_epilogue: - off = offsetof(struct sk_buff, vlan_tci); - emit(ARM_LDRH_I(r_A, r_skb, off), ctx); - if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) -- OP_IMM3(ARM_AND, r_A, r_A, VLAN_VID_MASK, ctx); -- else -- OP_IMM3(ARM_AND, r_A, r_A, VLAN_TAG_PRESENT, ctx); -+ OP_IMM3(ARM_AND, r_A, r_A, ~VLAN_TAG_PRESENT, ctx); -+ else { -+ OP_IMM3(ARM_LSR, r_A, r_A, 12, ctx); -+ OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); -+ } - break; - case BPF_ANC | SKF_AD_QUEUE: - ctx->seen |= SEEN_SKB; -diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c -index 5b217f4..c23f40e 100644 ---- a/arch/arm/plat-iop/setup.c -+++ b/arch/arm/plat-iop/setup.c -@@ -24,7 +24,7 @@ static struct map_desc iop3xx_std_desc[] __initdata = { - .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, - .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), - .length = IOP3XX_PERIPHERAL_SIZE, -- .type = MT_UNCACHED, -+ .type = MT_UNCACHED_RW, - }, - }; - -diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c -index a5bc92d..0bb4730 100644 ---- a/arch/arm/plat-omap/sram.c -+++ b/arch/arm/plat-omap/sram.c -@@ -93,6 +93,8 @@ void __init omap_map_sram(unsigned long start, unsigned long size, - * Looks like we need to preserve some bootloader code at the - * beginning of SRAM for jumping to flash for reboot to work... - */ -+ pax_open_kernel(); - memset_io(omap_sram_base + omap_sram_skip, 0, - omap_sram_size - omap_sram_skip); -+ pax_close_kernel(); - } -diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h -index 7047051..44e8675 100644 ---- a/arch/arm64/include/asm/atomic.h -+++ b/arch/arm64/include/asm/atomic.h -@@ -252,5 +252,15 @@ static inline int atomic64_add_unless(atomic64_t *v, long a, long u) - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif - #endif -diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h -index 71f19c4..2b13cfe 100644 ---- a/arch/arm64/include/asm/barrier.h -+++ b/arch/arm64/include/asm/barrier.h -@@ -44,7 +44,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h -index 4fde8c1..441f84f 100644 ---- a/arch/arm64/include/asm/percpu.h -+++ b/arch/arm64/include/asm/percpu.h -@@ -135,16 +135,16 @@ static inline void __percpu_write(void *ptr, unsigned long val, int size) - { - switch (size) { - case 1: -- ACCESS_ONCE(*(u8 *)ptr) = (u8)val; -+ ACCESS_ONCE_RW(*(u8 *)ptr) = (u8)val; - break; - case 2: -- ACCESS_ONCE(*(u16 *)ptr) = (u16)val; -+ ACCESS_ONCE_RW(*(u16 *)ptr) = (u16)val; - break; - case 4: -- ACCESS_ONCE(*(u32 *)ptr) = (u32)val; -+ ACCESS_ONCE_RW(*(u32 *)ptr) = (u32)val; - break; - case 8: -- ACCESS_ONCE(*(u64 *)ptr) = (u64)val; -+ ACCESS_ONCE_RW(*(u64 *)ptr) = (u64)val; - break; - default: - BUILD_BUG(); -diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h -index 7642056..bffc904 100644 ---- a/arch/arm64/include/asm/pgalloc.h -+++ b/arch/arm64/include/asm/pgalloc.h -@@ -46,6 +46,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE)); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #endif /* CONFIG_PGTABLE_LEVELS > 2 */ - - #if CONFIG_PGTABLE_LEVELS > 3 -diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h -index 07e1ba44..ec8cbbb 100644 ---- a/arch/arm64/include/asm/uaccess.h -+++ b/arch/arm64/include/asm/uaccess.h -@@ -99,6 +99,7 @@ static inline void set_fs(mm_segment_t fs) - flag; \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __range_ok(addr, size) - #define user_addr_max get_fs - -diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c -index b0bd4e5..54e82f6 100644 ---- a/arch/arm64/mm/dma-mapping.c -+++ b/arch/arm64/mm/dma-mapping.c -@@ -134,7 +134,7 @@ static void __dma_free_coherent(struct device *dev, size_t size, - phys_to_page(paddr), - size >> PAGE_SHIFT); - if (!freed) -- swiotlb_free_coherent(dev, size, vaddr, dma_handle); -+ swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs); - } - - static void *__dma_alloc(struct device *dev, size_t size, -diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h -index c3a58a1..78fbf54 100644 ---- a/arch/avr32/include/asm/cache.h -+++ b/arch/avr32/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef __ASM_AVR32_CACHE_H - #define __ASM_AVR32_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h -index 0388ece..87c8df1 100644 ---- a/arch/avr32/include/asm/elf.h -+++ b/arch/avr32/include/asm/elf.h -@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00001000UL -+ -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h -index 479330b..53717a8 100644 ---- a/arch/avr32/include/asm/kmap_types.h -+++ b/arch/avr32/include/asm/kmap_types.h -@@ -2,9 +2,9 @@ - #define __ASM_AVR32_KMAP_TYPES_H - - #ifdef CONFIG_DEBUG_HIGHMEM --# define KM_TYPE_NR 29 -+# define KM_TYPE_NR 30 - #else --# define KM_TYPE_NR 14 -+# define KM_TYPE_NR 15 - #endif - - #endif /* __ASM_AVR32_KMAP_TYPES_H */ -diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c -index d223a8b..69c5210 100644 ---- a/arch/avr32/mm/fault.c -+++ b/arch/avr32/mm/fault.c -@@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap) - - int exception_trace = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address and the - * problem, and then passes it off to one of the appropriate routines. -@@ -178,6 +195,16 @@ bad_area: - up_read(&mm->mmap_sem); - - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) { -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - if (exception_trace && printk_ratelimit()) - printk("%s%s[%d]: segfault at %08lx pc %08lx " - "sp %08lx ecr %lu\n", -diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h -index 568885a..f8008df 100644 ---- a/arch/blackfin/include/asm/cache.h -+++ b/arch/blackfin/include/asm/cache.h -@@ -7,6 +7,7 @@ - #ifndef __ARCH_BLACKFIN_CACHE_H - #define __ARCH_BLACKFIN_CACHE_H - -+#include <linux/const.h> - #include <linux/linkage.h> /* for asmlinkage */ - - /* -@@ -14,7 +15,7 @@ - * Blackfin loads 32 bytes for cache - */ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES -diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h -index aea2718..3639a60 100644 ---- a/arch/cris/include/arch-v10/arch/cache.h -+++ b/arch/cris/include/arch-v10/arch/cache.h -@@ -1,8 +1,9 @@ - #ifndef _ASM_ARCH_CACHE_H - #define _ASM_ARCH_CACHE_H - -+#include <linux/const.h> - /* Etrax 100LX have 32-byte cache-lines. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_ARCH_CACHE_H */ -diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h -index 7caf25d..ee65ac5 100644 ---- a/arch/cris/include/arch-v32/arch/cache.h -+++ b/arch/cris/include/arch-v32/arch/cache.h -@@ -1,11 +1,12 @@ - #ifndef _ASM_CRIS_ARCH_CACHE_H - #define _ASM_CRIS_ARCH_CACHE_H - -+#include <linux/const.h> - #include <arch/hwregs/dma.h> - - /* A cache-line is 32 bytes. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h -index 102190a..5334cea 100644 ---- a/arch/frv/include/asm/atomic.h -+++ b/arch/frv/include/asm/atomic.h -@@ -181,6 +181,16 @@ static inline void atomic64_dec(atomic64_t *v) - #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) - #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h -index 2797163..c2a401df9 100644 ---- a/arch/frv/include/asm/cache.h -+++ b/arch/frv/include/asm/cache.h -@@ -12,10 +12,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include <linux/const.h> - - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) - #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) -diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h -index 43901f2..0d8b865 100644 ---- a/arch/frv/include/asm/kmap_types.h -+++ b/arch/frv/include/asm/kmap_types.h -@@ -2,6 +2,6 @@ - #ifndef _ASM_KMAP_TYPES_H - #define _ASM_KMAP_TYPES_H - --#define KM_TYPE_NR 17 -+#define KM_TYPE_NR 18 - - #endif -diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c -index 836f147..4cf23f5 100644 ---- a/arch/frv/mm/elf-fdpic.c -+++ b/arch/frv/mm/elf-fdpic.c -@@ -61,6 +61,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - { - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > TASK_SIZE) - return -ENOMEM; -@@ -73,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - goto success; - } - -@@ -85,6 +85,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - info.high_limit = (current->mm->start_stack - 0x00200000); - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto success; -diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h -index 69952c18..4fa2908 100644 ---- a/arch/hexagon/include/asm/cache.h -+++ b/arch/hexagon/include/asm/cache.h -@@ -21,9 +21,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include <linux/const.h> -+ - /* Bytes per L1 cache line */ --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig -index 76d25b2..d3793a0f 100644 ---- a/arch/ia64/Kconfig -+++ b/arch/ia64/Kconfig -@@ -541,6 +541,7 @@ source "drivers/sn/Kconfig" - config KEXEC - bool "kexec system call" - depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile -index 970d0bd..e750b9b 100644 ---- a/arch/ia64/Makefile -+++ b/arch/ia64/Makefile -@@ -98,5 +98,6 @@ endef - archprepare: make_nr_irqs_h FORCE - PHONY += make_nr_irqs_h FORCE - -+make_nr_irqs_h: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) - make_nr_irqs_h: FORCE - $(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h -diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h -index 0bf0350..2ad1957 100644 ---- a/arch/ia64/include/asm/atomic.h -+++ b/arch/ia64/include/asm/atomic.h -@@ -193,4 +193,14 @@ atomic64_add_negative (__s64 i, atomic64_t *v) - #define atomic64_inc(v) atomic64_add(1, (v)) - #define atomic64_dec(v) atomic64_sub(1, (v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ASM_IA64_ATOMIC_H */ -diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h -index f6769eb..1cdb590 100644 ---- a/arch/ia64/include/asm/barrier.h -+++ b/arch/ia64/include/asm/barrier.h -@@ -66,7 +66,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h -index 988254a..e1ee885 100644 ---- a/arch/ia64/include/asm/cache.h -+++ b/arch/ia64/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef _ASM_IA64_CACHE_H - #define _ASM_IA64_CACHE_H - -+#include <linux/const.h> - - /* - * Copyright (C) 1998-2000 Hewlett-Packard Co -@@ -9,7 +10,7 @@ - - /* Bytes per L1 (data) cache line. */ - #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SMP - # define SMP_CACHE_SHIFT L1_CACHE_SHIFT -diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h -index 5a83c5c..4d7f553 100644 ---- a/arch/ia64/include/asm/elf.h -+++ b/arch/ia64/include/asm/elf.h -@@ -42,6 +42,13 @@ - */ - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#endif -+ - #define PT_IA_64_UNWIND 0x70000001 - - /* IA-64 relocations: */ -diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h -index f5e70e9..624fad5 100644 ---- a/arch/ia64/include/asm/pgalloc.h -+++ b/arch/ia64/include/asm/pgalloc.h -@@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) - pgd_val(*pgd_entry) = __pa(pud); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) -+{ -+ pgd_populate(mm, pgd_entry, pud); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -@@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) - pud_val(*pud_entry) = __pa(pmd); - } - -+static inline void -+pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) -+{ -+ pud_populate(mm, pud_entry, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h -index 9f3ed9e..c99b418 100644 ---- a/arch/ia64/include/asm/pgtable.h -+++ b/arch/ia64/include/asm/pgtable.h -@@ -12,7 +12,7 @@ - * David Mosberger-Tang <davidm(a)hpl.hp.com> - */ - -- -+#include <linux/const.h> - #include <asm/mman.h> - #include <asm/page.h> - #include <asm/processor.h> -@@ -139,6 +139,17 @@ - #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW) -+# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+# define PAGE_COPY_NOEXEC PAGE_COPY -+#endif -+ - #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX) - #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX) - #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX) -diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h -index 45698cd..e8e2dbc 100644 ---- a/arch/ia64/include/asm/spinlock.h -+++ b/arch/ia64/include/asm/spinlock.h -@@ -71,7 +71,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock) - unsigned short *p = (unsigned short *)&lock->lock + 1, tmp; - - asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p)); -- ACCESS_ONCE(*p) = (tmp + 2) & ~1; -+ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1; - } - - static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock) -diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h -index 4f3fb6cc..254055e 100644 ---- a/arch/ia64/include/asm/uaccess.h -+++ b/arch/ia64/include/asm/uaccess.h -@@ -70,6 +70,7 @@ - && ((segment).seg == KERNEL_DS.seg \ - || likely(REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))); \ - }) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok((addr), (size), get_fs()) - - /* -@@ -241,12 +242,24 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use - static inline unsigned long - __copy_to_user (void __user *to, const void *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ -+ if (!__builtin_constant_p(count)) -+ check_object_size(from, count, true); -+ - return __copy_user(to, (__force void __user *) from, count); - } - - static inline unsigned long - __copy_from_user (void *to, const void __user *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ -+ if (!__builtin_constant_p(count)) -+ check_object_size(to, count, false); -+ - return __copy_user((__force void __user *) to, from, count); - } - -@@ -256,10 +269,13 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - ({ \ - void __user *__cu_to = (to); \ - const void *__cu_from = (from); \ -- long __cu_len = (n); \ -+ unsigned long __cu_len = (n); \ - \ -- if (__access_ok(__cu_to, __cu_len, get_fs())) \ -+ if (__cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) { \ -+ if (!__builtin_constant_p(n)) \ -+ check_object_size(__cu_from, __cu_len, true); \ - __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \ -+ } \ - __cu_len; \ - }) - -@@ -267,11 +283,14 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - ({ \ - void *__cu_to = (to); \ - const void __user *__cu_from = (from); \ -- long __cu_len = (n); \ -+ unsigned long __cu_len = (n); \ - \ - __chk_user_ptr(__cu_from); \ -- if (__access_ok(__cu_from, __cu_len, get_fs())) \ -+ if (__cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) { \ -+ if (!__builtin_constant_p(n)) \ -+ check_object_size(__cu_to, __cu_len, false); \ - __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \ -+ } \ - __cu_len; \ - }) - -diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c -index 29754aa..06d2838 100644 ---- a/arch/ia64/kernel/module.c -+++ b/arch/ia64/kernel/module.c -@@ -492,15 +492,39 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings, - } - - static inline int -+in_init_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx; -+} -+ -+static inline int -+in_init_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw; -+} -+ -+static inline int - in_init (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_init < mod->init_size; -+ return in_init_rx(mod, addr) || in_init_rw(mod, addr); -+} -+ -+static inline int -+in_core_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx; -+} -+ -+static inline int -+in_core_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw; - } - - static inline int - in_core (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_core < mod->core_size; -+ return in_core_rx(mod, addr) || in_core_rw(mod, addr); - } - - static inline int -@@ -683,7 +707,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend, - break; - - case RV_BDREL: -- val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core); -+ if (in_init_rx(mod, val)) -+ val -= (uint64_t) mod->module_init_rx; -+ else if (in_init_rw(mod, val)) -+ val -= (uint64_t) mod->module_init_rw; -+ else if (in_core_rx(mod, val)) -+ val -= (uint64_t) mod->module_core_rx; -+ else if (in_core_rw(mod, val)) -+ val -= (uint64_t) mod->module_core_rw; - break; - - case RV_LTV: -@@ -818,15 +849,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind - * addresses have been selected... - */ - uint64_t gp; -- if (mod->core_size > MAX_LTOFF) -+ if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF) - /* - * This takes advantage of fact that SHF_ARCH_SMALL gets allocated - * at the end of the module. - */ -- gp = mod->core_size - MAX_LTOFF / 2; -+ gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2; - else -- gp = mod->core_size / 2; -- gp = (uint64_t) mod->module_core + ((gp + 7) & -8); -+ gp = (mod->core_size_rx + mod->core_size_rw) / 2; -+ gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8); - mod->arch.gp = gp; - DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp); - } -diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c -index c39c3cd..3c77738 100644 ---- a/arch/ia64/kernel/palinfo.c -+++ b/arch/ia64/kernel/palinfo.c -@@ -980,7 +980,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata palinfo_cpu_notifier = -+static struct notifier_block palinfo_cpu_notifier = - { - .notifier_call = palinfo_cpu_callback, - .priority = 0, -diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c -index 41e33f8..65180b2a 100644 ---- a/arch/ia64/kernel/sys_ia64.c -+++ b/arch/ia64/kernel/sys_ia64.c -@@ -28,6 +28,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - unsigned long align_mask = 0; - struct mm_struct *mm = current->mm; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -43,6 +44,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - if (REGION_NUMBER(addr) == RGN_HPAGE) - addr = 0; - #endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr = mm->free_area_cache; -+ else -+#endif -+ - if (!addr) - addr = TASK_UNMAPPED_BASE; - -@@ -61,6 +69,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - info.high_limit = TASK_SIZE; - info.align_mask = align_mask; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S -index 84f8a52..7c76178 100644 ---- a/arch/ia64/kernel/vmlinux.lds.S -+++ b/arch/ia64/kernel/vmlinux.lds.S -@@ -192,7 +192,7 @@ SECTIONS { - /* Per-cpu data: */ - . = ALIGN(PERCPU_PAGE_SIZE); - PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu) -- __phys_per_cpu_start = __per_cpu_load; -+ __phys_per_cpu_start = per_cpu_load; - /* - * ensure percpu data fits - * into percpu page size -diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c -index ba5ba7a..36e9d3a 100644 ---- a/arch/ia64/mm/fault.c -+++ b/arch/ia64/mm/fault.c -@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address) - return pte_present(pte); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - # define VM_READ_BIT 0 - # define VM_WRITE_BIT 1 - # define VM_EXEC_BIT 2 -@@ -151,8 +168,21 @@ retry: - if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE)))) - goto bad_area; - -- if ((vma->vm_flags & mask) != mask) -+ if ((vma->vm_flags & mask) != mask) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) { -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c -index 52b7604b..455cb85 100644 ---- a/arch/ia64/mm/hugetlbpage.c -+++ b/arch/ia64/mm/hugetlbpage.c -@@ -143,6 +143,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - unsigned long pgoff, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, file, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -166,6 +167,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - info.high_limit = HPAGE_REGION_BASE + RGN_MAP_LIMIT; - info.align_mask = PAGE_MASK & (HPAGE_SIZE - 1); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c -index a9b65cf..49ae1cf 100644 ---- a/arch/ia64/mm/init.c -+++ b/arch/ia64/mm/init.c -@@ -120,6 +120,19 @@ ia64_init_addr_space (void) - vma->vm_start = current->thread.rbs_bot & PAGE_MASK; - vma->vm_end = vma->vm_start + PAGE_SIZE; - vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) { -+ vma->vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ vma->vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - down_write(&current->mm->mmap_sem); - if (insert_vm_struct(current->mm, vma)) { -@@ -286,7 +299,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h -index 40b3ee98..8c2c112 100644 ---- a/arch/m32r/include/asm/cache.h -+++ b/arch/m32r/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef _ASM_M32R_CACHE_H - #define _ASM_M32R_CACHE_H - -+#include <linux/const.h> -+ - /* L1 cache line size */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_M32R_CACHE_H */ -diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c -index 82abd15..d95ae5d 100644 ---- a/arch/m32r/lib/usercopy.c -+++ b/arch/m32r/lib/usercopy.c -@@ -14,6 +14,9 @@ - unsigned long - __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __copy_user(to,from,n); -@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - unsigned long - __generic_copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetchw(to); - if (access_ok(VERIFY_READ, from, n)) - __copy_user_zeroing(to,from,n); -diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h -index 0395c51..5f26031 100644 ---- a/arch/m68k/include/asm/cache.h -+++ b/arch/m68k/include/asm/cache.h -@@ -4,9 +4,11 @@ - #ifndef __ARCH_M68K_CACHE_H - #define __ARCH_M68K_CACHE_H - -+#include <linux/const.h> -+ - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h -index d703d8e..a8e2d70 100644 ---- a/arch/metag/include/asm/barrier.h -+++ b/arch/metag/include/asm/barrier.h -@@ -90,7 +90,7 @@ static inline void fence(void) - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c -index 7ca80ac..794ba72 100644 ---- a/arch/metag/mm/hugetlbpage.c -+++ b/arch/metag/mm/hugetlbpage.c -@@ -194,6 +194,7 @@ hugetlb_get_unmapped_area_new_pmd(unsigned long len) - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & HUGEPT_MASK; - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h -index 4efe96a..60e8699 100644 ---- a/arch/microblaze/include/asm/cache.h -+++ b/arch/microblaze/include/asm/cache.h -@@ -13,11 +13,12 @@ - #ifndef _ASM_MICROBLAZE_CACHE_H - #define _ASM_MICROBLAZE_CACHE_H - -+#include <linux/const.h> - #include <asm/registers.h> - - #define L1_CACHE_SHIFT 5 - /* word-granular cache in microblaze */ --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig -index a3b1ffe..7d61ca6 100644 ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -2586,6 +2586,7 @@ source "kernel/Kconfig.preempt" - - config KEXEC - bool "Kexec system call" -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c -index d8960d4..77dbd31 100644 ---- a/arch/mips/cavium-octeon/dma-octeon.c -+++ b/arch/mips/cavium-octeon/dma-octeon.c -@@ -199,7 +199,7 @@ static void octeon_dma_free_coherent(struct device *dev, size_t size, - if (dma_release_from_coherent(dev, order, vaddr)) - return; - -- swiotlb_free_coherent(dev, size, vaddr, dma_handle); -+ swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs); - } - - static dma_addr_t octeon_unity_phys_to_dma(struct device *dev, phys_addr_t paddr) -diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h -index 26d4363..3c9a82e 100644 ---- a/arch/mips/include/asm/atomic.h -+++ b/arch/mips/include/asm/atomic.h -@@ -22,15 +22,39 @@ - #include <asm/cmpxchg.h> - #include <asm/war.h> - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include <asm-generic/atomic64.h> -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - -+#ifdef CONFIG_64BIT -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+" .dword " #from ", " #to"\n" \ -+" .previous\n" -+#else -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+" .word " #from ", " #to"\n" \ -+" .previous\n" -+#endif -+ - /* - * atomic_read - read atomic variable - * @v: pointer of type atomic_t - * - * Atomically reads the value of @v. - */ --#define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read(const atomic_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} -+ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - /* - * atomic_set - set atomic variable -@@ -39,47 +63,77 @@ - * - * Atomically sets the value of @v to @i. - */ --#define atomic_set(v, i) ((v)->counter = (i)) -+static inline void atomic_set(atomic_t *v, int i) -+{ -+ v->counter = i; -+} - --#define ATOMIC_OP(op, c_op, asm_op) \ --static __inline__ void atomic_##op(int i, atomic_t * v) \ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " b 4f \n" \ -+ " .set noreorder \n" \ -+ "3: b 5f \n" \ -+ " move %0, %1 \n" \ -+ " .set reorder \n" -+#define __OVERFLOW_EXTABLE \ -+ "3:\n" \ -+ _ASM_EXTABLE(2b, 3b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, extable) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %0, %1 # atomic_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " sc %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %0, %1 # atomic_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " sc %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " sc %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+r" (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t * v) \ - { \ - int result; \ - \ -@@ -89,12 +143,15 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix"\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " sc %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -102,26 +159,33 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " sc %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!result)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix "\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " sc %0, %2 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - \ - result = temp; result c_op i; \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " lw %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sw %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ -@@ -130,16 +194,21 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - return result; \ - } - --#define ATOMIC_OPS(op, c_op, asm_op) \ -- ATOMIC_OP(op, c_op, asm_op) \ -- ATOMIC_OP_RETURN(op, c_op, asm_op) -+#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) - --ATOMIC_OPS(add, +=, addu) --ATOMIC_OPS(sub, -=, subu) -+#define ATOMIC_OPS(op, asm_op) \ -+ ATOMIC_OP(op, asm_op) \ -+ ATOMIC_OP_RETURN(op, asm_op) -+ -+ATOMIC_OPS(add, add) -+ATOMIC_OPS(sub, sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - /* - * atomic_sub_if_positive - conditionally subtract integer from atomic variable -@@ -149,7 +218,7 @@ ATOMIC_OPS(sub, -=, subu) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) -+static __inline__ int atomic_sub_if_positive(int i, atomic_t *v) - { - int result; - -@@ -159,7 +228,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - int temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: ll %1, %2 # atomic_sub_if_positive\n" - " subu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -208,8 +277,26 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - return result; - } - --#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) --#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, -+ int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg(atomic_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * __atomic_add_unless - add unless the number is a given value -@@ -237,6 +324,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - - #define atomic_dec_return(v) atomic_sub_return(1, (v)) - #define atomic_inc_return(v) atomic_add_return(1, (v)) -+static __inline__ int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - - /* - * atomic_sub_and_test - subtract value from variable and test result -@@ -258,6 +349,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v) == 0; -+} - - /* - * atomic_dec_and_test - decrement by 1 and test -@@ -282,6 +377,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically increments @v by 1. - */ - #define atomic_inc(v) atomic_add(1, (v)) -+static __inline__ void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - - /* - * atomic_dec - decrement and test -@@ -290,6 +389,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically decrements @v by 1. - */ - #define atomic_dec(v) atomic_sub(1, (v)) -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - /* - * atomic_add_negative - add and test if negative -@@ -311,54 +414,77 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * @v: pointer of type atomic64_t - * - */ --#define atomic64_read(v) ACCESS_ONCE((v)->counter) -+static inline long atomic64_read(const atomic64_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} -+ -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - /* - * atomic64_set - set atomic variable - * @v: pointer of type atomic64_t - * @i: required value - */ --#define atomic64_set(v, i) ((v)->counter = (i)) -+static inline void atomic64_set(atomic64_t *v, long i) -+{ -+ v->counter = i; -+} - --#define ATOMIC64_OP(op, c_op, asm_op) \ --static __inline__ void atomic64_##op(long i, atomic64_t * v) \ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+#define __ATOMIC64_OP(op, suffix, asm_op, extable) \ -+static inline void atomic64_##op##suffix(long i, atomic64##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: lld %0, %1 # atomic64_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " scd %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %0, %1 # atomic64_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " scd %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " scd %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+" GCC_OFF_SMALL_ASM() (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC64_OP_RETURN(op, c_op, asm_op) \ --static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC64_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline long atomic64_##op##_return##suffix(long i, atomic64##suffix##_t * v)\ - { \ - long result; \ - \ -@@ -368,12 +494,15 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -+ " .set mips3 \n" \ - "1: lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " scd %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -381,27 +510,35 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " scd %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "=" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -- : "memory"); \ -- } while (unlikely(!result)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %1, %2 # atomic64_" #op "_return" #suffix "\n"\ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " scd %0, %2 \n" \ -+ " beqz %0, 1b \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "=" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "memory"); \ - \ - result = temp; result c_op i; \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " ld %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sd %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ -@@ -410,16 +547,23 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - return result; \ - } - --#define ATOMIC64_OPS(op, c_op, asm_op) \ -- ATOMIC64_OP(op, c_op, asm_op) \ -- ATOMIC64_OP_RETURN(op, c_op, asm_op) -+#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC64_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) - --ATOMIC64_OPS(add, +=, daddu) --ATOMIC64_OPS(sub, -=, dsubu) -+#define ATOMIC64_OPS(op, asm_op) \ -+ ATOMIC64_OP(op, asm_op) \ -+ ATOMIC64_OP_RETURN(op, asm_op) -+ -+ATOMIC64_OPS(add, dadd) -+ATOMIC64_OPS(sub, dsub) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST - - /* - * atomic64_sub_if_positive - conditionally subtract integer from atomic -@@ -430,7 +574,7 @@ ATOMIC64_OPS(sub, -=, dsubu) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) -+static __inline__ long atomic64_sub_if_positive(long i, atomic64_t *v) - { - long result; - -@@ -440,7 +584,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - long temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: lld %1, %2 # atomic64_sub_if_positive\n" - " dsubu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -489,9 +633,26 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - return result; - } - --#define atomic64_cmpxchg(v, o, n) \ -- ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) --#define atomic64_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, -+ long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg(atomic64_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * atomic64_add_unless - add unless the number is a given value -@@ -521,6 +682,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_dec_return(v) atomic64_sub_return(1, (v)) - #define atomic64_inc_return(v) atomic64_add_return(1, (v)) -+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1, (v)) - - /* - * atomic64_sub_and_test - subtract value from variable and test result -@@ -542,6 +704,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * other cases. - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) -+#define atomic64_inc_and_test_unchecked(v) atomic64_add_return_unchecked(1, (v)) == 0) - - /* - * atomic64_dec_and_test - decrement by 1 and test -@@ -566,6 +729,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically increments @v by 1. - */ - #define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1, (v)) - - /* - * atomic64_dec - decrement and test -@@ -574,6 +738,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically decrements @v by 1. - */ - #define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1, (v)) - - /* - * atomic64_add_negative - add and test if negative -diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h -index 2b8bbbc..4556df6 100644 ---- a/arch/mips/include/asm/barrier.h -+++ b/arch/mips/include/asm/barrier.h -@@ -133,7 +133,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h -index b4db69f..8f3b093 100644 ---- a/arch/mips/include/asm/cache.h -+++ b/arch/mips/include/asm/cache.h -@@ -9,10 +9,11 @@ - #ifndef _ASM_CACHE_H - #define _ASM_CACHE_H - -+#include <linux/const.h> - #include <kmalloc.h> - - #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_SHIFT L1_CACHE_SHIFT - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h -index f19e890..a4f8177 100644 ---- a/arch/mips/include/asm/elf.h -+++ b/arch/mips/include/asm/elf.h -@@ -417,6 +417,13 @@ extern const char *__elf_platform; - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - #endif - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - struct linux_binprm; - extern int arch_setup_additional_pages(struct linux_binprm *bprm, -diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h -index c1f6afa..38cc6e9 100644 ---- a/arch/mips/include/asm/exec.h -+++ b/arch/mips/include/asm/exec.h -@@ -12,6 +12,6 @@ - #ifndef _ASM_EXEC_H - #define _ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_EXEC_H */ -diff --git a/arch/mips/include/asm/hw_irq.h b/arch/mips/include/asm/hw_irq.h -index 9e8ef59..1139d6b 100644 ---- a/arch/mips/include/asm/hw_irq.h -+++ b/arch/mips/include/asm/hw_irq.h -@@ -10,7 +10,7 @@ - - #include <linux/atomic.h> - --extern atomic_t irq_err_count; -+extern atomic_unchecked_t irq_err_count; - - /* - * interrupt-retrigger: NOP for now. This may not be appropriate for all -diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h -index 8feaed6..1bd8a64 100644 ---- a/arch/mips/include/asm/local.h -+++ b/arch/mips/include/asm/local.h -@@ -13,15 +13,25 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i, l) atomic_long_add((i), (&(l)->a)) -+#define local_add_unchecked(i, l) atomic_long_add_unchecked((i), (&(l)->a)) - #define local_sub(i, l) atomic_long_sub((i), (&(l)->a)) -+#define local_sub_unchecked(i, l) atomic_long_sub_unchecked((i), (&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - /* - * Same as above, but return the result value -@@ -71,6 +81,51 @@ static __inline__ long local_add_return(long i, local_t * l) - return result; - } - -+static __inline__ long local_add_return_unchecked(long i, local_unchecked_t * l) -+{ -+ unsigned long result; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqzl %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else if (kernel_uses_llsc) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqz %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else { -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ result = l->a.counter; -+ result += i; -+ l->a.counter = result; -+ local_irq_restore(flags); -+ } -+ -+ return result; -+} -+ - static __inline__ long local_sub_return(long i, local_t * l) - { - unsigned long result; -@@ -118,6 +173,8 @@ static __inline__ long local_sub_return(long i, local_t * l) - - #define local_cmpxchg(l, o, n) \ - ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) - - /** -diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h -index 89dd7fe..a123c97 100644 ---- a/arch/mips/include/asm/page.h -+++ b/arch/mips/include/asm/page.h -@@ -118,7 +118,7 @@ extern void copy_user_highpage(struct page *to, struct page *from, - #ifdef CONFIG_CPU_MIPS32 - typedef struct { unsigned long pte_low, pte_high; } pte_t; - #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) -- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; }) -+ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; }) - #else - typedef struct { unsigned long long pte; } pte_t; - #define pte_val(x) ((x).pte) -diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h -index b336037..5b874cc 100644 ---- a/arch/mips/include/asm/pgalloc.h -+++ b/arch/mips/include/asm/pgalloc.h -@@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - set_pud(pud, __pud((unsigned long)pmd)); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} - #endif - - /* -diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h -index 70f6e7f..11f4ada 100644 ---- a/arch/mips/include/asm/pgtable.h -+++ b/arch/mips/include/asm/pgtable.h -@@ -20,6 +20,9 @@ - #include <asm/io.h> - #include <asm/pgtable-bits.h> - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - struct mm_struct; - struct vm_area_struct; - -diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h -index 9c0014e..5101ef5 100644 ---- a/arch/mips/include/asm/thread_info.h -+++ b/arch/mips/include/asm/thread_info.h -@@ -100,6 +100,9 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_SECCOMP 4 /* secure computing */ - #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ - #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -+/* li takes a 32bit immediate */ -+#define TIF_GRSEC_SETXID 10 /* update credentials on syscall entry/exit */ -+ - #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ - #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - #define TIF_NOHZ 19 /* in adaptive nohz mode */ -@@ -135,14 +138,16 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_USEDMSA (1<<TIF_USEDMSA) - #define _TIF_MSA_CTX_LIVE (1<<TIF_MSA_CTX_LIVE) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - - #define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \ - _TIF_SYSCALL_AUDIT | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \ -+ _TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_leave() */ - #define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \ -- _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT) -+ _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID) - - /* work to do on interrupt/exception return */ - #define _TIF_WORK_MASK \ -@@ -150,7 +155,7 @@ static inline struct thread_info *current_thread_info(void) - /* work to do on any return to u-space */ - #define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \ - _TIF_WORK_SYSCALL_EXIT | \ -- _TIF_SYSCALL_TRACEPOINT) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID) - - /* - * We stash processor id into a COP0 register to retrieve it fast -diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h -index bf8b324..cec5705 100644 ---- a/arch/mips/include/asm/uaccess.h -+++ b/arch/mips/include/asm/uaccess.h -@@ -130,6 +130,7 @@ extern u64 __ua_limit; - __ok == 0; \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - likely(__access_ok((addr), (size), __access_mask)) - -diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c -index 1188e00..41cf144 100644 ---- a/arch/mips/kernel/binfmt_elfn32.c -+++ b/arch/mips/kernel/binfmt_elfn32.c -@@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - #include <linux/module.h> - #include <linux/elfcore.h> -diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c -index 9287678..f870e47 100644 ---- a/arch/mips/kernel/binfmt_elfo32.c -+++ b/arch/mips/kernel/binfmt_elfo32.c -@@ -70,6 +70,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - - #include <linux/module.h> -diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c -index a74ec3a..4f06f18 100644 ---- a/arch/mips/kernel/i8259.c -+++ b/arch/mips/kernel/i8259.c -@@ -202,7 +202,7 @@ spurious_8259A_irq: - printk(KERN_DEBUG "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c -index 44a1f79..2bd6aa3 100644 ---- a/arch/mips/kernel/irq-gt641xx.c -+++ b/arch/mips/kernel/irq-gt641xx.c -@@ -110,7 +110,7 @@ void gt641xx_irq_dispatch(void) - } - } - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init gt641xx_irq_init(void) -diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c -index 3c8a18a..b4929b6 100644 ---- a/arch/mips/kernel/irq.c -+++ b/arch/mips/kernel/irq.c -@@ -76,17 +76,17 @@ void ack_bad_irq(unsigned int irq) - printk("unexpected IRQ # %d\n", irq); - } - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - int arch_show_interrupts(struct seq_file *p, int prec) - { -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - return 0; - } - - asmlinkage void spurious_interrupt(void) - { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init init_IRQ(void) -@@ -110,6 +110,8 @@ void __init init_IRQ(void) - } - - #ifdef CONFIG_DEBUG_STACKOVERFLOW -+ -+extern void gr_handle_kernel_exploit(void); - static inline void check_stack_overflow(void) - { - unsigned long sp; -@@ -125,6 +127,7 @@ static inline void check_stack_overflow(void) - printk("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - } - #else -diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c -index 0614717..002fa43 100644 ---- a/arch/mips/kernel/pm-cps.c -+++ b/arch/mips/kernel/pm-cps.c -@@ -172,7 +172,7 @@ int cps_pm_enter_state(enum cps_pm_state state) - nc_core_ready_count = nc_addr; - - /* Ensure ready_count is zero-initialised before the assembly runs */ -- ACCESS_ONCE(*nc_core_ready_count) = 0; -+ ACCESS_ONCE_RW(*nc_core_ready_count) = 0; - coupled_barrier(&per_cpu(pm_barrier, core), online); - - /* Run the generated entry code */ -diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c -index f2975d4..f61d355 100644 ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -541,18 +541,6 @@ out: - return pc; - } - --/* -- * Don't forget that the stack pointer must be aligned on a 8 bytes -- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI. -- */ --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- -- return sp & ALMASK; --} -- - static void arch_dump_stack(void *info) - { - struct pt_regs *regs; -diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c -index e933a30..0d02625 100644 ---- a/arch/mips/kernel/ptrace.c -+++ b/arch/mips/kernel/ptrace.c -@@ -785,6 +785,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * Notification of system call entry/exit - * - triggered by current->work.syscall_trace -@@ -803,6 +807,11 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall) - tracehook_report_syscall_entry(regs)) - ret = -1; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->regs[2]); - -diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c -index 2242bdd..b284048 100644 ---- a/arch/mips/kernel/sync-r4k.c -+++ b/arch/mips/kernel/sync-r4k.c -@@ -18,8 +18,8 @@ - #include <asm/mipsregs.h> - - static atomic_t count_start_flag = ATOMIC_INIT(0); --static atomic_t count_count_start = ATOMIC_INIT(0); --static atomic_t count_count_stop = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_start = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_stop = ATOMIC_INIT(0); - static atomic_t count_reference = ATOMIC_INIT(0); - - #define COUNTON 100 -@@ -58,13 +58,13 @@ void synchronise_count_master(int cpu) - - for (i = 0; i < NR_LOOPS; i++) { - /* slaves loop on '!= 2' */ -- while (atomic_read(&count_count_start) != 1) -+ while (atomic_read_unchecked(&count_count_start) != 1) - mb(); -- atomic_set(&count_count_stop, 0); -+ atomic_set_unchecked(&count_count_stop, 0); - smp_wmb(); - - /* this lets the slaves write their count register */ -- atomic_inc(&count_count_start); -+ atomic_inc_unchecked(&count_count_start); - - /* - * Everyone initialises count in the last loop: -@@ -75,11 +75,11 @@ void synchronise_count_master(int cpu) - /* - * Wait for all slaves to leave the synchronization point: - */ -- while (atomic_read(&count_count_stop) != 1) -+ while (atomic_read_unchecked(&count_count_stop) != 1) - mb(); -- atomic_set(&count_count_start, 0); -+ atomic_set_unchecked(&count_count_start, 0); - smp_wmb(); -- atomic_inc(&count_count_stop); -+ atomic_inc_unchecked(&count_count_stop); - } - /* Arrange for an interrupt in a short while */ - write_c0_compare(read_c0_count() + COUNTON); -@@ -112,8 +112,8 @@ void synchronise_count_slave(int cpu) - initcount = atomic_read(&count_reference); - - for (i = 0; i < NR_LOOPS; i++) { -- atomic_inc(&count_count_start); -- while (atomic_read(&count_count_start) != 2) -+ atomic_inc_unchecked(&count_count_start); -+ while (atomic_read_unchecked(&count_count_start) != 2) - mb(); - - /* -@@ -122,8 +122,8 @@ void synchronise_count_slave(int cpu) - if (i == NR_LOOPS-1) - write_c0_count(initcount); - -- atomic_inc(&count_count_stop); -- while (atomic_read(&count_count_stop) != 2) -+ atomic_inc_unchecked(&count_count_stop); -+ while (atomic_read_unchecked(&count_count_stop) != 2) - mb(); - } - /* Arrange for an interrupt in a short while */ -diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c -index 5f5f44e..cf10625 100644 ---- a/arch/mips/kernel/traps.c -+++ b/arch/mips/kernel/traps.c -@@ -696,7 +696,18 @@ asmlinkage void do_ov(struct pt_regs *regs) - siginfo_t info; - - prev_state = exception_enter(); -- die_if_kernel("Integer overflow", regs); -+ if (unlikely(!user_mode(regs))) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fixup_exception(regs)) { -+ pax_report_refcount_overflow(regs); -+ exception_exit(prev_state); -+ return; -+ } -+#endif -+ -+ die("Integer overflow", regs); -+ } - - info.si_code = FPE_INTOVF; - info.si_signo = SIGFPE; -diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c -index 52f205a..335927c 100644 ---- a/arch/mips/kvm/mips.c -+++ b/arch/mips/kvm/mips.c -@@ -1013,7 +1013,7 @@ long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) - return r; - } - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - if (kvm_mips_callbacks) { - kvm_err("kvm: module already exists\n"); -diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c -index 7ff8637..6004edb 100644 ---- a/arch/mips/mm/fault.c -+++ b/arch/mips/mm/fault.c -@@ -31,6 +31,23 @@ - - int show_unhandled_signals = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate -@@ -206,6 +223,14 @@ bad_area: - bad_area_nosemaphore: - /* User mode accesses just cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (cpu_has_rixi && (mm->pax_flags & MF_PAX_PAGEEXEC) && !write && address == instruction_pointer(regs)) { -+ pax_report_fault(regs, (void *)address, (void *)user_stack_pointer(regs)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.cp0_badvaddr = address; - tsk->thread.error_code = write; - if (show_unhandled_signals && -diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c -index 5c81fdd..db158d3 100644 ---- a/arch/mips/mm/mmap.c -+++ b/arch/mips/mm/mmap.c -@@ -59,6 +59,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - struct vm_area_struct *vma; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (unlikely(len > TASK_SIZE)) -@@ -84,6 +85,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - do_color_align = 1; - - /* requesting a specific address */ -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -91,14 +97,14 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.length = len; - info.align_mask = do_color_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - - if (dir == DOWN) { - info.flags = VM_UNMAPPED_AREA_TOPDOWN; -@@ -160,45 +166,34 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } - --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = get_random_int(); -- -- rnd = rnd << PAGE_SHIFT; -- /* 8MB for 32bit, 256MB for 64bit */ -- if (TASK_IS_32BIT_ADDR) -- rnd = rnd & 0x7ffffful; -- else -- rnd = rnd & 0xffffffful; -- -- return rnd; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- - int __virt_addr_valid(const volatile void *kaddr) - { - return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); -diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c -index a2358b4..7cead4f 100644 ---- a/arch/mips/sgi-ip27/ip27-nmi.c -+++ b/arch/mips/sgi-ip27/ip27-nmi.c -@@ -187,9 +187,9 @@ void - cont_nmi_dump(void) - { - #ifndef REAL_NMI_SIGNAL -- static atomic_t nmied_cpus = ATOMIC_INIT(0); -+ static atomic_unchecked_t nmied_cpus = ATOMIC_INIT(0); - -- atomic_inc(&nmied_cpus); -+ atomic_inc_unchecked(&nmied_cpus); - #endif - /* - * Only allow 1 cpu to proceed -@@ -233,7 +233,7 @@ cont_nmi_dump(void) - udelay(10000); - } - #else -- while (atomic_read(&nmied_cpus) != num_online_cpus()); -+ while (atomic_read_unchecked(&nmied_cpus) != num_online_cpus()); - #endif - - /* -diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c -index a046b30..6799527 100644 ---- a/arch/mips/sni/rm200.c -+++ b/arch/mips/sni/rm200.c -@@ -270,7 +270,7 @@ spurious_8259A_irq: - "spurious RM200 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c -index 41e873b..34d33a7 100644 ---- a/arch/mips/vr41xx/common/icu.c -+++ b/arch/mips/vr41xx/common/icu.c -@@ -653,7 +653,7 @@ static int icu_get_irq(unsigned int irq) - - printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -1; - } -diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c -index ae0e4ee..e8f0692 100644 ---- a/arch/mips/vr41xx/common/irq.c -+++ b/arch/mips/vr41xx/common/irq.c -@@ -64,7 +64,7 @@ static void irq_dispatch(unsigned int irq) - irq_cascade_t *cascade; - - if (irq >= NR_IRQS) { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - return; - } - -@@ -84,7 +84,7 @@ static void irq_dispatch(unsigned int irq) - ret = cascade->get_irq(irq); - irq = ret; - if (ret < 0) -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - else - irq_dispatch(irq); - if (!irqd_irq_disabled(idata) && chip->irq_unmask) -diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h -index 967d144..db12197 100644 ---- a/arch/mn10300/proc-mn103e010/include/proc/cache.h -+++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h -@@ -11,12 +11,14 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include <linux/const.h> -+ - /* L1 cache */ - - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 256 /* number of entries in each way */ --#define L1_CACHE_BYTES 16 /* bytes per entry */ - #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -index bcb5df2..84fabd2 100644 ---- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -@@ -16,13 +16,15 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include <linux/const.h> -+ - /* - * L1 cache - */ - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 128 /* number of entries in each way */ --#define L1_CACHE_BYTES 32 /* bytes per entry */ - #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h -index 4ce7a01..449202a 100644 ---- a/arch/openrisc/include/asm/cache.h -+++ b/arch/openrisc/include/asm/cache.h -@@ -19,11 +19,13 @@ - #ifndef __ASM_OPENRISC_CACHE_H - #define __ASM_OPENRISC_CACHE_H - -+#include <linux/const.h> -+ - /* FIXME: How can we replace these with values from the CPU... - * they shouldn't be hard-coded! - */ - --#define L1_CACHE_BYTES 16 - #define L1_CACHE_SHIFT 4 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* __ASM_OPENRISC_CACHE_H */ -diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h -index 226f8ca9..9d9b87d 100644 ---- a/arch/parisc/include/asm/atomic.h -+++ b/arch/parisc/include/asm/atomic.h -@@ -273,6 +273,16 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - return dec; - } - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* !CONFIG_64BIT */ - - -diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h -index 47f11c7..3420df2 100644 ---- a/arch/parisc/include/asm/cache.h -+++ b/arch/parisc/include/asm/cache.h -@@ -5,6 +5,7 @@ - #ifndef __ARCH_PARISC_CACHE_H - #define __ARCH_PARISC_CACHE_H - -+#include <linux/const.h> - - /* - * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have -@@ -15,13 +16,13 @@ - * just ruin performance. - */ - #ifdef CONFIG_PA20 --#define L1_CACHE_BYTES 64 - #define L1_CACHE_SHIFT 6 - #else --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 - #endif - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) -+ - #ifndef __ASSEMBLY__ - - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h -index 78c9fd3..42fa66a 100644 ---- a/arch/parisc/include/asm/elf.h -+++ b/arch/parisc/include/asm/elf.h -@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */ - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, - but it's not easy, and we've already done it here. */ -diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h -index 3edbb9f..08fef28 100644 ---- a/arch/parisc/include/asm/pgalloc.h -+++ b/arch/parisc/include/asm/pgalloc.h -@@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT)); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) - { - pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT, -@@ -97,6 +102,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) - #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, x) do { } while (0) - #define pgd_populate(mm, pmd, pte) BUG() -+#define pgd_populate_kernel(mm, pmd, pte) BUG() - - #endif - -diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h -index f93c4a4..cfd5663 100644 ---- a/arch/parisc/include/asm/pgtable.h -+++ b/arch/parisc/include/asm/pgtable.h -@@ -231,6 +231,17 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) - #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED) - #define PAGE_COPY PAGE_EXECREAD - #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_KERNEL) - #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC) - #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX) -diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h -index 0abdd4c..1af92f0 100644 ---- a/arch/parisc/include/asm/uaccess.h -+++ b/arch/parisc/include/asm/uaccess.h -@@ -243,10 +243,10 @@ static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, - unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - int ret = -EFAULT; - -- if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n)) -+ if (likely(sz == (size_t)-1 || !__builtin_constant_p(n) || sz >= n)) - ret = __copy_from_user(to, from, n); - else - copy_from_user_overflow(); -diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c -index 3c63a82..b1d6ee9 100644 ---- a/arch/parisc/kernel/module.c -+++ b/arch/parisc/kernel/module.c -@@ -98,16 +98,38 @@ - - /* three functions to determine where in the module core - * or init pieces the location is */ -+static inline int in_init_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rx && -+ loc < (me->module_init_rx + me->init_size_rx)); -+} -+ -+static inline int in_init_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rw && -+ loc < (me->module_init_rw + me->init_size_rw)); -+} -+ - static inline int in_init(struct module *me, void *loc) - { -- return (loc >= me->module_init && -- loc <= (me->module_init + me->init_size)); -+ return in_init_rx(me, loc) || in_init_rw(me, loc); -+} -+ -+static inline int in_core_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rx && -+ loc < (me->module_core_rx + me->core_size_rx)); -+} -+ -+static inline int in_core_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rw && -+ loc < (me->module_core_rw + me->core_size_rw)); - } - - static inline int in_core(struct module *me, void *loc) - { -- return (loc >= me->module_core && -- loc <= (me->module_core + me->core_size)); -+ return in_core_rx(me, loc) || in_core_rw(me, loc); - } - - static inline int in_local(struct module *me, void *loc) -@@ -367,13 +389,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, - } - - /* align things a bit */ -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.got_offset = me->core_size; -- me->core_size += gots * sizeof(struct got_entry); -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += gots * sizeof(struct got_entry); - -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.fdesc_offset = me->core_size; -- me->core_size += fdescs * sizeof(Elf_Fdesc); -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.fdesc_offset = me->core_size_rw; -+ me->core_size_rw += fdescs * sizeof(Elf_Fdesc); - - me->arch.got_max = gots; - me->arch.fdesc_max = fdescs; -@@ -391,7 +413,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - - BUG_ON(value == 0); - -- got = me->module_core + me->arch.got_offset; -+ got = me->module_core_rw + me->arch.got_offset; - for (i = 0; got[i].addr; i++) - if (got[i].addr == value) - goto out; -@@ -409,7 +431,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - #ifdef CONFIG_64BIT - static Elf_Addr get_fdesc(struct module *me, unsigned long value) - { -- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset; -+ Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset; - - if (!value) { - printk(KERN_ERR "%s: zero OPD requested!\n", me->name); -@@ -427,7 +449,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value) - - /* Create new one */ - fdesc->addr = value; -- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - return (Elf_Addr)fdesc; - } - #endif /* CONFIG_64BIT */ -@@ -839,7 +861,7 @@ register_unwind_table(struct module *me, - - table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr; - end = table + sechdrs[me->arch.unwind_section].sh_size; -- gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - - DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n", - me->arch.unwind_section, table, end, gp); -diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c -index 5aba01a..47cdd5a 100644 ---- a/arch/parisc/kernel/sys_parisc.c -+++ b/arch/parisc/kernel/sys_parisc.c -@@ -92,6 +92,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long task_size = TASK_SIZE; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > task_size) - return -ENOMEM; -@@ -109,6 +110,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - goto found_addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -127,6 +132,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = mmap_upper_limit(); - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - found_addr: -@@ -146,6 +152,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long addr = addr0; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - #ifdef CONFIG_64BIT - /* This should only ever run for 32-bit processes. */ -@@ -170,6 +177,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - } - - /* requesting a specific address */ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -187,6 +198,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto found_addr; -@@ -252,6 +264,13 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - mm->mmap_legacy_base = mmap_legacy_base(); - mm->mmap_base = mmap_upper_limit(); - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; -diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c -index 7f67c4c..d85c11d 100644 ---- a/arch/parisc/kernel/traps.c -+++ b/arch/parisc/kernel/traps.c -@@ -722,9 +722,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) - - down_read(&current->mm->mmap_sem); - vma = find_vma(current->mm,regs->iaoq[0]); -- if (vma && (regs->iaoq[0] >= vma->vm_start) -- && (vma->vm_flags & VM_EXEC)) { -- -+ if (vma && (regs->iaoq[0] >= vma->vm_start)) { - fault_address = regs->iaoq[0]; - fault_space = regs->iasq[0]; - -diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c -index e5120e6..8ddb5cc 100644 ---- a/arch/parisc/mm/fault.c -+++ b/arch/parisc/mm/fault.c -@@ -15,6 +15,7 @@ - #include <linux/sched.h> - #include <linux/interrupt.h> - #include <linux/module.h> -+#include <linux/unistd.h> - - #include <asm/uaccess.h> - #include <asm/traps.h> -@@ -50,7 +51,7 @@ int show_unhandled_signals = 1; - static unsigned long - parisc_acctyp(unsigned long code, unsigned int inst) - { -- if (code == 6 || code == 16) -+ if (code == 6 || code == 7 || code == 16) - return VM_EXEC; - - switch (inst & 0xf0000000) { -@@ -136,6 +137,116 @@ parisc_acctyp(unsigned long code, unsigned int inst) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when rt_sigreturn trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int bl, depwi; -+ -+ err = get_user(bl, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4)); -+ -+ if (err) -+ break; -+ -+ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) { -+ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12; -+ -+ err = get_user(ldw, (unsigned int *)addr); -+ err |= get_user(bv, (unsigned int *)(addr+4)); -+ err |= get_user(ldw2, (unsigned int *)(addr+8)); -+ -+ if (err) -+ break; -+ -+ if (ldw == 0x0E801096U && -+ bv == 0xEAC0C000U && -+ ldw2 == 0x0E881095U) -+ { -+ unsigned int resolver, map; -+ -+ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12)); -+ if (err) -+ break; -+ -+ regs->gr[20] = instruction_pointer(regs)+8; -+ regs->gr[21] = map; -+ regs->gr[22] = resolver; -+ regs->iaoq[0] = resolver | 3UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ -+#ifndef CONFIG_PAX_EMUSIGRT -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+#endif -+ -+ do { /* PaX: rt_sigreturn emulation */ -+ unsigned int ldi1, ldi2, bel, nop; -+ -+ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4)); -+ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12)); -+ -+ if (err) -+ break; -+ -+ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) && -+ ldi2 == 0x3414015AU && -+ bel == 0xE4008200U && -+ nop == 0x08000240U) -+ { -+ regs->gr[25] = (ldi1 & 2) >> 1; -+ regs->gr[20] = __NR_rt_sigreturn; -+ regs->gr[31] = regs->iaoq[1] + 16; -+ regs->sr[0] = regs->iasq[1]; -+ regs->iaoq[0] = 0x100UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ regs->iasq[0] = regs->sr[2]; -+ regs->iasq[1] = regs->sr[2]; -+ return 2; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - int fixup_exception(struct pt_regs *regs) - { - const struct exception_table_entry *fix; -@@ -234,8 +345,33 @@ retry: - - good_area: - -- if ((vma->vm_flags & acc_type) != acc_type) -+ if ((vma->vm_flags & acc_type) != acc_type) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) && -+ (address & ~3UL) == instruction_pointer(regs)) -+ { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 3: -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ case 2: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig -index 190cc48..48439ce 100644 ---- a/arch/powerpc/Kconfig -+++ b/arch/powerpc/Kconfig -@@ -413,6 +413,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE - config KEXEC - bool "kexec system call" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h -index 512d278..d31fadd 100644 ---- a/arch/powerpc/include/asm/atomic.h -+++ b/arch/powerpc/include/asm/atomic.h -@@ -12,6 +12,11 @@ - - #define ATOMIC_INIT(i) { (i) } - -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+ PPC_LONG" " #from ", " #to"\n" \ -+" .previous\n" -+ - static __inline__ int atomic_read(const atomic_t *v) - { - int t; -@@ -21,39 +26,80 @@ static __inline__ int atomic_read(const atomic_t *v) - return t; - } - -+static __inline__ int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ int t; -+ -+ __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic_set(atomic_t *v, int i) - { - __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC_OP(op, asm_op) \ --static __inline__ void atomic_##op(int a, atomic_t *v) \ -+static __inline__ void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##o. -+#define __OVERFLOW_PRE \ -+ " mcrxr cr0\n" -+#define __OVERFLOW_POST \ -+ " bf 4*cr0+so, 3f\n" \ -+ "2: .long 0x00c00b00\n" \ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_PRE -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic_##op##suffix(int a, atomic##suffix##_t *v) \ - { \ - int t; \ - \ - __asm__ __volatile__( \ --"1: lwarx %0,0,%3 # atomic_" #op "\n" \ -+"1: lwarx %0,0,%3 # atomic_" #op #suffix "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - PPC405_ERR77(0,%3) \ - " stwcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN(op, asm_op) \ --static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, , , asm_op, , ) \ -+ __ATOMIC_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline int atomic_##op##_return##suffix(int a, atomic##suffix##_t *v)\ - { \ - int t; \ - \ - __asm__ __volatile__( \ - PPC_ATOMIC_ENTRY_BARRIER \ --"1: lwarx %0,0,%2 # atomic_" #op "_return\n" \ -+"1: lwarx %0,0,%2 # atomic_" #op "_return" #suffix "\n" \ -+ pre_op \ - #asm_op " %0,%1,%0\n" \ -+ post_op \ - PPC405_ERR77(0,%2) \ - " stwcx. %0,0,%2 \n" \ - " bne- 1b\n" \ -+ extable \ - PPC_ATOMIC_EXIT_BARRIER \ - : "=&r" (t) \ - : "r" (a), "r" (&v->counter) \ -@@ -62,6 +108,9 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ - return t; \ - } - -+#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC_OPS(op, asm_op) ATOMIC_OP(op, asm_op) ATOMIC_OP_RETURN(op, asm_op) - - ATOMIC_OPS(add, add) -@@ -69,42 +118,29 @@ ATOMIC_OPS(sub, subf) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) - --static __inline__ void atomic_inc(atomic_t *v) --{ -- int t; -+/* -+ * atomic_inc - increment atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic_inc(v) atomic_add(1, (v)) -+#define atomic_inc_return(v) atomic_add_return(1, (v)) - -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_inc\n\ -- addic %0,%0,1\n" -- PPC405_ERR77(0,%2) --" stwcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); - } - --static __inline__ int atomic_inc_return(atomic_t *v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: lwarx %0,0,%1 # atomic_inc_return\n\ -- addic %0,%0,1\n" -- PPC405_ERR77(0,%1) --" stwcx. %0,0,%1 \n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ return atomic_add_return_unchecked(1, v); - } - - /* -@@ -117,43 +153,38 @@ static __inline__ int atomic_inc_return(atomic_t *v) - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) - --static __inline__ void atomic_dec(atomic_t *v) -+static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_dec\n\ -- addic %0,%0,-1\n" -- PPC405_ERR77(0,%2)\ --" stwcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+ return atomic_add_return_unchecked(1, v) == 0; - } - --static __inline__ int atomic_dec_return(atomic_t *v) -+/* -+ * atomic_dec - decrement atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic_dec(v) atomic_sub(1, (v)) -+#define atomic_dec_return(v) atomic_sub_return(1, (v)) -+ -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: lwarx %0,0,%1 # atomic_dec_return\n\ -- addic %0,%0,-1\n" -- PPC405_ERR77(0,%1) --" stwcx. %0,0,%1\n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ atomic_sub_unchecked(1, v); - } - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * __atomic_add_unless - add unless the number is a given value - * @v: pointer of type atomic_t -@@ -171,11 +202,27 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - PPC_ATOMIC_ENTRY_BARRIER - "1: lwarx %0,0,%1 # __atomic_add_unless\n\ - cmpw 0,%0,%3 \n\ -- beq- 2f \n\ -- add %0,%2,%0 \n" -+ beq- 2f \n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%2,%0\n" -+" bf 4*cr0+so, 4f\n" -+"3:.long " "0x00c00b00""\n" -+"4:\n" -+#else -+ "add %0,%2,%0 \n" -+#endif -+ - PPC405_ERR77(0,%2) - " stwcx. %0,0,%1 \n\ - bne- 1b \n" -+"5:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(3b, 5b) -+#endif -+ - PPC_ATOMIC_EXIT_BARRIER - " subf %0,%2,%0 \n\ - 2:" -@@ -248,6 +295,11 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) - } - #define atomic_dec_if_positive atomic_dec_if_positive - -+#define smp_mb__before_atomic_dec() smp_mb() -+#define smp_mb__after_atomic_dec() smp_mb() -+#define smp_mb__before_atomic_inc() smp_mb() -+#define smp_mb__after_atomic_inc() smp_mb() -+ - #ifdef __powerpc64__ - - #define ATOMIC64_INIT(i) { (i) } -@@ -261,37 +313,60 @@ static __inline__ long atomic64_read(const atomic64_t *v) - return t; - } - -+static __inline__ long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long t; -+ -+ __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic64_set(atomic64_t *v, long i) - { - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC64_OP(op, asm_op) \ --static __inline__ void atomic64_##op(long a, atomic64_t *v) \ -+static __inline__ void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#define __ATOMIC64_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic64_##op##suffix(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - "1: ldarx %0,0,%3 # atomic64_" #op "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - " stdcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } - --#define ATOMIC64_OP_RETURN(op, asm_op) \ --static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, , , asm_op, , ) \ -+ __ATOMIC64_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline long atomic64_##op##_return##suffix(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - PPC_ATOMIC_ENTRY_BARRIER \ - "1: ldarx %0,0,%2 # atomic64_" #op "_return\n" \ -+ pre_op \ - #asm_op " %0,%1,%0\n" \ -+ post_op \ - " stdcx. %0,0,%2 \n" \ - " bne- 1b\n" \ -+ extable \ - PPC_ATOMIC_EXIT_BARRIER \ - : "=&r" (t) \ - : "r" (a), "r" (&v->counter) \ -@@ -300,6 +375,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ - return t; \ - } - -+#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC64_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_OPS(op, asm_op) ATOMIC64_OP(op, asm_op) ATOMIC64_OP_RETURN(op, asm_op) - - ATOMIC64_OPS(add, add) -@@ -307,40 +385,33 @@ ATOMIC64_OPS(sub, subf) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST -+#undef __OVERFLOW_PRE -+#undef __REFCOUNT_OP - - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - --static __inline__ void atomic64_inc(atomic64_t *v) --{ -- long t; -+/* -+ * atomic64_inc - increment atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_return(v) atomic64_add_return(1, (v)) - -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_inc\n\ -- addic %0,%0,1\n\ -- stdcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); - } - --static __inline__ long atomic64_inc_return(atomic64_t *v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # atomic64_inc_return\n\ -- addic %0,%0,1\n\ -- stdcx. %0,0,%1 \n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ return atomic64_add_return_unchecked(1, v); - } - - /* -@@ -353,36 +424,18 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - --static __inline__ void atomic64_dec(atomic64_t *v) -+/* -+ * atomic64_dec - decrement atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_return(v) atomic64_sub_return(1, (v)) -+ -+static __inline__ void atomic64_dec_unchecked(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_dec\n\ -- addic %0,%0,-1\n\ -- stdcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); --} -- --static __inline__ long atomic64_dec_return(atomic64_t *v) --{ -- long t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # atomic64_dec_return\n\ -- addic %0,%0,-1\n\ -- stdcx. %0,0,%1\n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ atomic64_sub_unchecked(1, v); - } - - #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) -@@ -415,6 +468,16 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * atomic64_add_unless - add unless the number is a given value - * @v: pointer of type atomic64_t -@@ -430,13 +493,29 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - __asm__ __volatile__ ( - PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # __atomic_add_unless\n\ -+"1: ldarx %0,0,%1 # atomic64_add_unless\n\ - cmpd 0,%0,%3 \n\ -- beq- 2f \n\ -- add %0,%2,%0 \n" -+ beq- 2f \n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%2,%0\n" -+" bf 4*cr0+so, 4f\n" -+"3:.long " "0x00c00b00""\n" -+"4:\n" -+#else -+ "add %0,%2,%0 \n" -+#endif -+ - " stdcx. %0,0,%1 \n\ - bne- 1b \n" - PPC_ATOMIC_EXIT_BARRIER -+"5:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(3b, 5b) -+#endif -+ - " subf %0,%2,%0 \n\ - 2:" - : "=&r" (t) -diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h -index a3bf5be..e03ba81 100644 ---- a/arch/powerpc/include/asm/barrier.h -+++ b/arch/powerpc/include/asm/barrier.h -@@ -76,7 +76,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_lwsync(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h -index 0dc42c5..b80a3a1 100644 ---- a/arch/powerpc/include/asm/cache.h -+++ b/arch/powerpc/include/asm/cache.h -@@ -4,6 +4,7 @@ - #ifdef __KERNEL__ - - #include <asm/reg.h> -+#include <linux/const.h> - - /* bytes per L1 cache line */ - #if defined(CONFIG_8xx) || defined(CONFIG_403GCX) -@@ -23,7 +24,7 @@ - #define L1_CACHE_SHIFT 7 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h -index ee46ffe..b36c98c 100644 ---- a/arch/powerpc/include/asm/elf.h -+++ b/arch/powerpc/include/asm/elf.h -@@ -30,6 +30,18 @@ - - #define ELF_ET_DYN_BASE 0x20000000 - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (0x10000000UL) -+ -+#ifdef __powerpc64__ -+#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28) -+#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28) -+#else -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif -+#endif -+ - #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0) - - /* -diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h -index 8196e9c..d83a9f3 100644 ---- a/arch/powerpc/include/asm/exec.h -+++ b/arch/powerpc/include/asm/exec.h -@@ -4,6 +4,6 @@ - #ifndef _ASM_POWERPC_EXEC_H - #define _ASM_POWERPC_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_POWERPC_EXEC_H */ -diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h -index 5acabbd..7ea14fa 100644 ---- a/arch/powerpc/include/asm/kmap_types.h -+++ b/arch/powerpc/include/asm/kmap_types.h -@@ -10,7 +10,7 @@ - * 2 of the License, or (at your option) any later version. - */ - --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif /* __KERNEL__ */ - #endif /* _ASM_POWERPC_KMAP_TYPES_H */ -diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h -index b8da913..c02b593 100644 ---- a/arch/powerpc/include/asm/local.h -+++ b/arch/powerpc/include/asm/local.h -@@ -9,21 +9,65 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct -+{ -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l,i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l,i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i,l) atomic_long_add((i),(&(l)->a)) -+#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a)) - #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -+#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - static __inline__ long local_add_return(long a, local_t *l) - { - long t; - - __asm__ __volatile__( -+"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%1,%0\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" add %0,%1,%0\n" -+#endif -+ -+"3:\n" -+ PPC405_ERR77(0,%2) -+ PPC_STLCX "%0,0,%2 \n\ -+ bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (t) -+ : "r" (a), "r" (&(l->a.counter)) -+ : "cc", "memory"); -+ -+ return t; -+} -+ -+static __inline__ long local_add_return_unchecked(long a, local_unchecked_t *l) -+{ -+ long t; -+ -+ __asm__ __volatile__( - "1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\ - add %0,%1,%0\n" - PPC405_ERR77(0,%2) -@@ -101,6 +145,8 @@ static __inline__ long local_dec_return(local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) - - /** -diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h -index 8565c25..2865190 100644 ---- a/arch/powerpc/include/asm/mman.h -+++ b/arch/powerpc/include/asm/mman.h -@@ -24,7 +24,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot) - } - #define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot) - --static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) -+static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags) - { - return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0); - } -diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h -index 69c0598..2c56964 100644 ---- a/arch/powerpc/include/asm/page.h -+++ b/arch/powerpc/include/asm/page.h -@@ -227,8 +227,9 @@ extern long long virt_phys_offset; - * and needs to be executable. This means the whole heap ends - * up being executable. - */ --#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_DATA_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -@@ -256,6 +257,9 @@ extern long long virt_phys_offset; - #define is_kernel_addr(x) ((x) >= PAGE_OFFSET) - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef CONFIG_PPC_BOOK3S_64 - /* - * Use the top bit of the higher-level page table entries to indicate whether -diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h -index d908a46..3753f71 100644 ---- a/arch/powerpc/include/asm/page_64.h -+++ b/arch/powerpc/include/asm/page_64.h -@@ -172,15 +172,18 @@ do { \ - * stack by default, so in the absence of a PT_GNU_STACK program header - * we turn execute permission off. - */ --#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_STACK_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -+#ifndef CONFIG_PAX_PAGEEXEC - #define VM_STACK_DEFAULT_FLAGS \ - (is_32bit_task() ? \ - VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) -+#endif - - #include <asm-generic/getorder.h> - -diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h -index 4b0be20..c15a27d 100644 ---- a/arch/powerpc/include/asm/pgalloc-64.h -+++ b/arch/powerpc/include/asm/pgalloc-64.h -@@ -54,6 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) - #ifndef CONFIG_PPC_64K_PAGES - - #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD) -+#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -@@ -71,6 +72,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - pud_set(pud, (unsigned long)pmd); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #define pmd_populate(mm, pmd, pte_page) \ - pmd_populate_kernel(mm, pmd, page_address(pte_page)) - #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte)) -@@ -173,6 +179,7 @@ extern void __tlb_remove_table(void *_table); - #endif - - #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) -diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h -index 11a3863..108f194 100644 ---- a/arch/powerpc/include/asm/pgtable.h -+++ b/arch/powerpc/include/asm/pgtable.h -@@ -2,6 +2,7 @@ - #define _ASM_POWERPC_PGTABLE_H - #ifdef __KERNEL__ - -+#include <linux/const.h> - #ifndef __ASSEMBLY__ - #include <linux/mmdebug.h> - #include <linux/mmzone.h> -diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h -index 62cfb0c..50c6402 100644 ---- a/arch/powerpc/include/asm/pte-hash32.h -+++ b/arch/powerpc/include/asm/pte-hash32.h -@@ -20,6 +20,7 @@ - #define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ - #define _PAGE_USER 0x004 /* usermode access allowed */ - #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ -+#define _PAGE_EXEC _PAGE_GUARDED - #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ - #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ - #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */ -diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h -index af56b5c..f86f3f6 100644 ---- a/arch/powerpc/include/asm/reg.h -+++ b/arch/powerpc/include/asm/reg.h -@@ -253,6 +253,7 @@ - #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ - #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ - #define DSISR_NOHPTE 0x40000000 /* no translation found */ -+#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */ - #define DSISR_PROTFAULT 0x08000000 /* protection fault */ - #define DSISR_ISSTORE 0x02000000 /* access was a store */ - #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ -diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h -index 825663c..f9e9134 100644 ---- a/arch/powerpc/include/asm/smp.h -+++ b/arch/powerpc/include/asm/smp.h -@@ -51,7 +51,7 @@ struct smp_ops_t { - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int nr); - int (*cpu_bootable)(unsigned int nr); --}; -+} __no_const; - - extern void smp_send_debugger_break(void); - extern void start_secondary_resume(void); -diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h -index 4dbe072..b803275 100644 ---- a/arch/powerpc/include/asm/spinlock.h -+++ b/arch/powerpc/include/asm/spinlock.h -@@ -204,13 +204,29 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw) - __asm__ __volatile__( - "1: " PPC_LWARX(%0,0,%1,1) "\n" - __DO_SIGN_EXTEND --" addic. %0,%0,1\n\ -- ble- 2f\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,1\n" -+#endif -+ -+"3:\n" -+ "ble- 4f\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b\n" - PPC_ACQUIRE_BARRIER --"2:" : "=&r" (tmp) -+"4:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b,4b) -+#endif -+ -+ : "=&r" (tmp) - : "r" (&rw->lock) - : "cr0", "xer", "memory"); - -@@ -286,11 +302,27 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) - __asm__ __volatile__( - "# read_unlock\n\t" - PPC_RELEASE_BARRIER --"1: lwarx %0,0,%1\n\ -- addic %0,%0,-1\n" -+"1: lwarx %0,0,%1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,-1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,-1\n" -+#endif -+ -+"3:\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r"(tmp) - : "r"(&rw->lock) - : "cr0", "xer", "memory"); -diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h -index 7efee4a..48d47cc 100644 ---- a/arch/powerpc/include/asm/thread_info.h -+++ b/arch/powerpc/include/asm/thread_info.h -@@ -101,6 +101,8 @@ static inline struct thread_info *current_thread_info(void) - #if defined(CONFIG_PPC64) - #define TIF_ELF2ABI 18 /* function descriptors must die! */ - #endif -+/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - - /* as above, but as bit values */ - #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -@@ -119,9 +121,10 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) - #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE) - #define _TIF_NOHZ (1<<TIF_NOHZ) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - #define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ - _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ - _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ -diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h -index a0c071d..49cdc7f 100644 ---- a/arch/powerpc/include/asm/uaccess.h -+++ b/arch/powerpc/include/asm/uaccess.h -@@ -58,6 +58,7 @@ - - #endif - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - (__chk_user_ptr(addr), \ - __access_ok((__force unsigned long)(addr), (size), get_fs())) -@@ -318,52 +319,6 @@ do { \ - extern unsigned long __copy_tofrom_user(void __user *to, - const void __user *from, unsigned long size); - --#ifndef __powerpc64__ -- --static inline unsigned long copy_from_user(void *to, -- const void __user *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_READ, from, n)) -- return __copy_tofrom_user((__force void __user *)to, from, n); -- if ((unsigned long)from < TASK_SIZE) { -- over = (unsigned long)from + n - TASK_SIZE; -- return __copy_tofrom_user((__force void __user *)to, from, -- n - over) + over; -- } -- return n; --} -- --static inline unsigned long copy_to_user(void __user *to, -- const void *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_WRITE, to, n)) -- return __copy_tofrom_user(to, (__force void __user *)from, n); -- if ((unsigned long)to < TASK_SIZE) { -- over = (unsigned long)to + n - TASK_SIZE; -- return __copy_tofrom_user(to, (__force void __user *)from, -- n - over) + over; -- } -- return n; --} -- --#else /* __powerpc64__ */ -- --#define __copy_in_user(to, from, size) \ -- __copy_tofrom_user((to), (from), (size)) -- --extern unsigned long copy_from_user(void *to, const void __user *from, -- unsigned long n); --extern unsigned long copy_to_user(void __user *to, const void *from, -- unsigned long n); --extern unsigned long copy_in_user(void __user *to, const void __user *from, -- unsigned long n); -- --#endif /* __powerpc64__ */ -- - static inline unsigned long __copy_from_user_inatomic(void *to, - const void __user *from, unsigned long n) - { -@@ -387,6 +342,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to, - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ - return __copy_tofrom_user((__force void __user *)to, from, n); - } - -@@ -413,6 +372,10 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to, - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_tofrom_user(to, (__force const void __user *)from, n); - } - -@@ -430,6 +393,92 @@ static inline unsigned long __copy_to_user(void __user *to, - return __copy_to_user_inatomic(to, from, size); - } - -+#ifndef __powerpc64__ -+ -+static inline unsigned long __must_check copy_from_user(void *to, -+ const void __user *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_READ, from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ return __copy_tofrom_user((__force void __user *)to, from, n); -+ } -+ if ((unsigned long)from < TASK_SIZE) { -+ over = (unsigned long)from + n - TASK_SIZE; -+ if (!__builtin_constant_p(n - over)) -+ check_object_size(to, n - over, false); -+ return __copy_tofrom_user((__force void __user *)to, from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, -+ const void *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_WRITE, to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, n); -+ } -+ if ((unsigned long)to < TASK_SIZE) { -+ over = (unsigned long)to + n - TASK_SIZE; -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n - over, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+#else /* __powerpc64__ */ -+ -+#define __copy_in_user(to, from, size) \ -+ __copy_tofrom_user((to), (from), (size)) -+ -+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ -+ if (likely(access_ok(VERIFY_READ, from, n))) -+ n = __copy_from_user(to, from, n); -+ else -+ memset(to, 0, n); -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (likely(access_ok(VERIFY_WRITE, to, n))) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ n = __copy_to_user(to, from, n); -+ } -+ return n; -+} -+ -+extern unsigned long copy_in_user(void __user *to, const void __user *from, -+ unsigned long n); -+ -+#endif /* __powerpc64__ */ -+ - extern unsigned long __clear_user(void __user *addr, unsigned long size); - - static inline unsigned long clear_user(void __user *addr, unsigned long size) -diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile -index c1ebbda..fd8a98d 100644 ---- a/arch/powerpc/kernel/Makefile -+++ b/arch/powerpc/kernel/Makefile -@@ -15,6 +15,11 @@ CFLAGS_prom_init.o += -fPIC - CFLAGS_btext.o += -fPIC - endif - -+CFLAGS_REMOVE_cputable.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_prom_init.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_btext.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_prom.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+ - ifdef CONFIG_FUNCTION_TRACER - # Do not trace early boot code - CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog -@@ -27,6 +32,8 @@ CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog - CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog - endif - -+CFLAGS_REMOVE_prom_init.o += $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+ - obj-y := cputable.o ptrace.o syscalls.o \ - irq.o align.o signal_32.o pmc.o vdso.o \ - process.o systbl.o idle.o \ -diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S -index 3e68d1c..72a5ee6 100644 ---- a/arch/powerpc/kernel/exceptions-64e.S -+++ b/arch/powerpc/kernel/exceptions-64e.S -@@ -1010,6 +1010,7 @@ storage_fault_common: - std r14,_DAR(r1) - std r15,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - mr r4,r14 - mr r5,r15 - ld r14,PACA_EXGEN+EX_R14(r13) -@@ -1018,8 +1019,7 @@ storage_fault_common: - cmpdi r3,0 - bne- 1f - b ret_from_except_lite --1: bl save_nvgprs -- mr r5,r3 -+1: mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - ld r4,_DAR(r1) - bl bad_page_fault -diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S -index 9519e6b..13f6c38 100644 ---- a/arch/powerpc/kernel/exceptions-64s.S -+++ b/arch/powerpc/kernel/exceptions-64s.S -@@ -1599,10 +1599,10 @@ handle_page_fault: - 11: ld r4,_DAR(r1) - ld r5,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - bl do_page_fault - cmpdi r3,0 - beq+ 12f -- bl save_nvgprs - mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - lwz r4,_DAR(r1) -diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c -index 4509603..cdb491f 100644 ---- a/arch/powerpc/kernel/irq.c -+++ b/arch/powerpc/kernel/irq.c -@@ -460,6 +460,8 @@ void migrate_irqs(void) - } - #endif - -+extern void gr_handle_kernel_exploit(void); -+ - static inline void check_stack_overflow(void) - { - #ifdef CONFIG_DEBUG_STACKOVERFLOW -@@ -472,6 +474,7 @@ static inline void check_stack_overflow(void) - pr_err("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - #endif - } -diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c -index c94d2e0..992a9ce 100644 ---- a/arch/powerpc/kernel/module_32.c -+++ b/arch/powerpc/kernel/module_32.c -@@ -158,7 +158,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, - me->arch.core_plt_section = i; - } - if (!me->arch.core_plt_section || !me->arch.init_plt_section) { -- pr_err("Module doesn't contain .plt or .init.plt sections.\n"); -+ pr_err("Module $s doesn't contain .plt or .init.plt sections.\n", me->name); - return -ENOEXEC; - } - -@@ -188,11 +188,16 @@ static uint32_t do_plt_call(void *location, - - pr_debug("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location); - /* Init, or core PLT? */ -- if (location >= mod->module_core -- && location < mod->module_core + mod->core_size) -+ if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) || -+ (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw)) - entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr; -- else -+ else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) || -+ (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw)) - entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr; -+ else { -+ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name); -+ return ~0UL; -+ } - - /* Find this entry, or if that fails, the next avail. entry */ - while (entry->jump[0]) { -@@ -296,7 +301,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, - } - #ifdef CONFIG_DYNAMIC_FTRACE - module->arch.tramp = -- do_plt_call(module->module_core, -+ do_plt_call(module->module_core_rx, - (unsigned long)ftrace_caller, - sechdrs, module); - #endif -diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c -index febb50d..bb10020 100644 ---- a/arch/powerpc/kernel/process.c -+++ b/arch/powerpc/kernel/process.c -@@ -1036,8 +1036,8 @@ void show_regs(struct pt_regs * regs) - * Lookup NIP late so we have the best change of getting the - * above info out without failing - */ -- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip); -- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link); -+ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip); -+ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link); - #endif - show_stack(current, (unsigned long *) regs->gpr[1]); - if (!user_mode(regs)) -@@ -1554,10 +1554,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - newsp = stack[0]; - ip = stack[STACK_FRAME_LR_SAVE]; - if (!firstframe || ip != lr) { -- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); -+ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((ip == rth) && curr_frame >= 0) { -- printk(" (%pS)", -+ printk(" (%pA)", - (void *)current->ret_stack[curr_frame].ret); - curr_frame--; - } -@@ -1577,7 +1577,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - struct pt_regs *regs = (struct pt_regs *) - (sp + STACK_FRAME_OVERHEAD); - lr = regs->link; -- printk("--- interrupt: %lx at %pS\n LR = %pS\n", -+ printk("--- interrupt: %lx at %pA\n LR = %pA\n", - regs->trap, (void *)regs->nip, (void *)lr); - firstframe = 1; - } -@@ -1613,49 +1613,3 @@ void notrace __ppc64_runlatch_off(void) - mtspr(SPRN_CTRLT, ctrl); - } - #endif /* CONFIG_PPC64 */ -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = 0; -- -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT))); -- else -- rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT))); -- -- return rnd << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- --#ifdef CONFIG_PPC_STD_MMU_64 -- /* -- * If we are using 1TB segments and we are allowed to randomise -- * the heap, we can put it above 1TB so it is backed by a 1TB -- * segment. Otherwise the heap will be in the bottom 1TB -- * which always uses 256MB segments and this may result in a -- * performance penalty. -- */ -- if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T)) -- base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T); --#endif -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- -diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c -index f21897b..28c0428 100644 ---- a/arch/powerpc/kernel/ptrace.c -+++ b/arch/powerpc/kernel/ptrace.c -@@ -1762,6 +1762,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * We must return the syscall number to actually look up in the table. - * This can be -1L to skip running any syscall at all. -@@ -1774,6 +1778,11 @@ long do_syscall_trace_enter(struct pt_regs *regs) - - secure_computing_strict(regs->gpr[0]); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) - /* -@@ -1805,6 +1814,11 @@ void do_syscall_trace_leave(struct pt_regs *regs) - { - int step; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c -index da50e0c..5ff6307 100644 ---- a/arch/powerpc/kernel/signal_32.c -+++ b/arch/powerpc/kernel/signal_32.c -@@ -1009,7 +1009,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, - /* Save user registers on the stack */ - frame = &rt_sf->uc.uc_mcontext; - addr = frame; -- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - sigret = 0; - tramp = current->mm->context.vdso_base + vdso32_rt_sigtramp; - } else { -diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c -index c7c24d2..1bf7039 100644 ---- a/arch/powerpc/kernel/signal_64.c -+++ b/arch/powerpc/kernel/signal_64.c -@@ -754,7 +754,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs - current->thread.fp_state.fpscr = 0; - - /* Set up to return from userspace. */ -- if (vdso64_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp; - } else { - err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]); -diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c -index 19e4744..28a8d7b 100644 ---- a/arch/powerpc/kernel/traps.c -+++ b/arch/powerpc/kernel/traps.c -@@ -36,6 +36,7 @@ - #include <linux/debugfs.h> - #include <linux/ratelimit.h> - #include <linux/context_tracking.h> -+#include <linux/uaccess.h> - - #include <asm/emulated_ops.h> - #include <asm/pgtable.h> -@@ -142,6 +143,8 @@ static unsigned __kprobes long oops_begin(struct pt_regs *regs) - return flags; - } - -+extern void gr_handle_kernel_exploit(void); -+ - static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, - int signr) - { -@@ -191,6 +194,9 @@ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - do_exit(signr); - } - -@@ -1137,6 +1143,26 @@ void __kprobes program_check_exception(struct pt_regs *regs) - enum ctx_state prev_state = exception_enter(); - unsigned int reason = get_reason(regs); - -+#ifdef CONFIG_PAX_REFCOUNT -+ unsigned int bkpt; -+ const struct exception_table_entry *entry; -+ -+ if (reason & REASON_ILLEGAL) { -+ /* Check if PaX bad instruction */ -+ if (!probe_kernel_address(regs->nip, bkpt) && bkpt == 0xc00b00) { -+ current->thread.trap_nr = 0; -+ pax_report_refcount_overflow(regs); -+ /* fixup_exception() for PowerPC does not exist, simulate its job */ -+ if ((entry = search_exception_tables(regs->nip)) != NULL) { -+ regs->nip = entry->fixup; -+ return; -+ } -+ /* fixup_exception() could not handle */ -+ goto bail; -+ } -+ } -+#endif -+ - /* We can now get here via a FP Unavailable exception if the core - * has no FPU, in that case the reason flags will be 0 */ - -diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c -index 305eb0d..accc5b40 100644 ---- a/arch/powerpc/kernel/vdso.c -+++ b/arch/powerpc/kernel/vdso.c -@@ -34,6 +34,7 @@ - #include <asm/vdso.h> - #include <asm/vdso_datapage.h> - #include <asm/setup.h> -+#include <asm/mman.h> - - #undef DEBUG - -@@ -220,7 +221,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = VDSO32_MBASE; - #endif - -- current->mm->context.vdso_base = 0; -+ current->mm->context.vdso_base = ~0UL; - - /* vDSO has a problem and was disabled, just don't "enable" it for the - * process -@@ -240,7 +241,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = get_unmapped_area(NULL, vdso_base, - (vdso_pages << PAGE_SHIFT) + - ((VDSO_ALIGNMENT - 1) & PAGE_MASK), -- 0, 0); -+ 0, MAP_PRIVATE | MAP_EXECUTABLE); - if (IS_ERR_VALUE(vdso_base)) { - rc = vdso_base; - goto fail_mmapsem; -diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c -index ac3ddf1..9a54c76 100644 ---- a/arch/powerpc/kvm/powerpc.c -+++ b/arch/powerpc/kvm/powerpc.c -@@ -1403,7 +1403,7 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param) - } - EXPORT_SYMBOL_GPL(kvmppc_init_lpid); - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - return 0; - } -diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c -index 5eea6f3..5d10396 100644 ---- a/arch/powerpc/lib/usercopy_64.c -+++ b/arch/powerpc/lib/usercopy_64.c -@@ -9,22 +9,6 @@ - #include <linux/module.h> - #include <asm/uaccess.h> - --unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_READ, from, n))) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; --} -- --unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_WRITE, to, n))) -- n = __copy_to_user(to, from, n); -- return n; --} -- - unsigned long copy_in_user(void __user *to, const void __user *from, - unsigned long n) - { -@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from, - return n; - } - --EXPORT_SYMBOL(copy_from_user); --EXPORT_SYMBOL(copy_to_user); - EXPORT_SYMBOL(copy_in_user); - -diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c -index b396868..3eb6b9f 100644 ---- a/arch/powerpc/mm/fault.c -+++ b/arch/powerpc/mm/fault.c -@@ -33,6 +33,10 @@ - #include <linux/ratelimit.h> - #include <linux/context_tracking.h> - #include <linux/hugetlb.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> -+#include <linux/unistd.h> - - #include <asm/firmware.h> - #include <asm/page.h> -@@ -68,6 +72,33 @@ static inline int notify_page_fault(struct pt_regs *regs) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->nip = fault address) -+ * -+ * returns 1 when task should be killed -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int __user *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * Check whether the instruction at regs->nip is a store using - * an update addressing form which will update r1. -@@ -227,7 +258,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, - * indicate errors in DSISR but can validly be set in SRR1. - */ - if (trap == 0x400) -- error_code &= 0x48200000; -+ error_code &= 0x58200000; - else - is_write = error_code & DSISR_ISSTORE; - #else -@@ -383,12 +414,16 @@ good_area: - * "undefined". Of those that can be set, this is the only - * one which seems bad. - */ -- if (error_code & 0x10000000) -+ if (error_code & DSISR_GUARDED) - /* Guarded storage error. */ - goto bad_area; - #endif /* CONFIG_8xx */ - - if (is_exec) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (error_code & DSISR_GUARDED) -+ goto bad_area; -+#endif - /* - * Allow execution from readable areas if the MMU does not - * provide separate controls over reading and executing. -@@ -483,6 +518,23 @@ bad_area: - bad_area_nosemaphore: - /* User mode accesses cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) { -+#else -+ if (is_exec && regs->nip == address) { -+#endif -+ switch (pax_handle_fetch_fault(regs)) { -+ } -+ -+ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - _exception(SIGSEGV, regs, code, address); - goto bail; - } -diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c -index 0f0502e..bc3e7a3 100644 ---- a/arch/powerpc/mm/mmap.c -+++ b/arch/powerpc/mm/mmap.c -@@ -86,6 +86,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -95,9 +99,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c -index 0f432a7..abfe841 100644 ---- a/arch/powerpc/mm/slice.c -+++ b/arch/powerpc/mm/slice.c -@@ -105,7 +105,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, - if ((mm->task_size - len) < addr) - return 0; - vma = find_vma(mm, addr); -- return (!vma || (addr + len) <= vma->vm_start); -+ return check_heap_stack_gap(vma, addr, len, 0); - } - - static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) -@@ -277,6 +277,12 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, - info.align_offset = 0; - - addr = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr += mm->delta_mmap; -+#endif -+ - while (addr < TASK_SIZE) { - info.low_limit = addr; - if (!slice_scan_available(addr, available, 1, &addr)) -@@ -410,6 +416,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, - if (fixed && addr > (mm->task_size - len)) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP)) -+ addr = 0; -+#endif -+ - /* If hint, make sure it matches our alignment restrictions */ - if (!fixed && addr) { - addr = _ALIGN_UP(addr, 1ul << pshift); -diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c -index d966bbe..372124a 100644 ---- a/arch/powerpc/platforms/cell/spufs/file.c -+++ b/arch/powerpc/platforms/cell/spufs/file.c -@@ -280,9 +280,9 @@ spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) - return VM_FAULT_NOPAGE; - } - --static int spufs_mem_mmap_access(struct vm_area_struct *vma, -+static ssize_t spufs_mem_mmap_access(struct vm_area_struct *vma, - unsigned long address, -- void *buf, int len, int write) -+ void *buf, size_t len, int write) - { - struct spu_context *ctx = vma->vm_file->private_data; - unsigned long offset = address - vma->vm_start; -diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h -index adbe380..adb7516 100644 ---- a/arch/s390/include/asm/atomic.h -+++ b/arch/s390/include/asm/atomic.h -@@ -317,4 +317,14 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* __ARCH_S390_ATOMIC__ */ -diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h -index 8d72471..5322500 100644 ---- a/arch/s390/include/asm/barrier.h -+++ b/arch/s390/include/asm/barrier.h -@@ -42,7 +42,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h -index 4d7ccac..d03d0ad 100644 ---- a/arch/s390/include/asm/cache.h -+++ b/arch/s390/include/asm/cache.h -@@ -9,8 +9,10 @@ - #ifndef __ARCH_S390_CACHE_H - #define __ARCH_S390_CACHE_H - --#define L1_CACHE_BYTES 256 -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 8 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define NET_SKB_PAD 32 - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h -index 3ad48f2..64cc6f3 100644 ---- a/arch/s390/include/asm/elf.h -+++ b/arch/s390/include/asm/elf.h -@@ -163,6 +163,13 @@ extern unsigned int vdso_enabled; - (STACK_TOP / 3 * 2) : \ - (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. */ - -diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h -index c4a93d6..4d2a9b4 100644 ---- a/arch/s390/include/asm/exec.h -+++ b/arch/s390/include/asm/exec.h -@@ -7,6 +7,6 @@ - #ifndef __ASM_EXEC_H - #define __ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* __ASM_EXEC_H */ -diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h -index d64a7a6..0830329 100644 ---- a/arch/s390/include/asm/uaccess.h -+++ b/arch/s390/include/asm/uaccess.h -@@ -59,6 +59,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size) - __range_ok((unsigned long)(addr), (size)); \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok(addr, size) - - /* -@@ -275,6 +276,10 @@ static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - return __copy_to_user(to, from, n); - } - -@@ -303,10 +308,14 @@ __compiletime_warning("copy_from_user() buffer size is not provably correct") - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- unsigned int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); -- if (unlikely(sz != -1 && sz < n)) { -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (unlikely(sz != (size_t)-1 && sz < n)) { - copy_from_user_overflow(); - return n; - } -diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c -index 0c1a679..e1df357 100644 ---- a/arch/s390/kernel/module.c -+++ b/arch/s390/kernel/module.c -@@ -159,11 +159,11 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, - - /* Increase core size by size of got & plt and set start - offsets for got and plt. */ -- me->core_size = ALIGN(me->core_size, 4); -- me->arch.got_offset = me->core_size; -- me->core_size += me->arch.got_size; -- me->arch.plt_offset = me->core_size; -- me->core_size += me->arch.plt_size; -+ me->core_size_rw = ALIGN(me->core_size_rw, 4); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += me->arch.got_size; -+ me->arch.plt_offset = me->core_size_rx; -+ me->core_size_rx += me->arch.plt_size; - return 0; - } - -@@ -279,7 +279,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - if (info->got_initialized == 0) { - Elf_Addr *gotent; - -- gotent = me->module_core + me->arch.got_offset + -+ gotent = me->module_core_rw + me->arch.got_offset + - info->got_offset; - *gotent = val; - info->got_initialized = 1; -@@ -302,7 +302,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - rc = apply_rela_bits(loc, val, 0, 64, 0); - else if (r_type == R_390_GOTENT || - r_type == R_390_GOTPLTENT) { -- val += (Elf_Addr) me->module_core - loc; -+ val += (Elf_Addr) me->module_core_rw - loc; - rc = apply_rela_bits(loc, val, 1, 32, 1); - } - break; -@@ -315,7 +315,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_initialized == 0) { - unsigned int *ip; -- ip = me->module_core + me->arch.plt_offset + -+ ip = me->module_core_rx + me->arch.plt_offset + - info->plt_offset; - ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ - ip[1] = 0x100a0004; -@@ -334,7 +334,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - val - loc + 0xffffUL < 0x1ffffeUL) || - (r_type == R_390_PLT32DBL && - val - loc + 0xffffffffULL < 0x1fffffffeULL))) -- val = (Elf_Addr) me->module_core + -+ val = (Elf_Addr) me->module_core_rx + - me->arch.plt_offset + - info->plt_offset; - val += rela->r_addend - loc; -@@ -356,7 +356,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_GOTOFF32: /* 32 bit offset to GOT. */ - case R_390_GOTOFF64: /* 64 bit offset to GOT. */ - val = val + rela->r_addend - -- ((Elf_Addr) me->module_core + me->arch.got_offset); -+ ((Elf_Addr) me->module_core_rw + me->arch.got_offset); - if (r_type == R_390_GOTOFF16) - rc = apply_rela_bits(loc, val, 0, 16, 0); - else if (r_type == R_390_GOTOFF32) -@@ -366,7 +366,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - break; - case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */ - case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */ -- val = (Elf_Addr) me->module_core + me->arch.got_offset + -+ val = (Elf_Addr) me->module_core_rw + me->arch.got_offset + - rela->r_addend - loc; - if (r_type == R_390_GOTPC) - rc = apply_rela_bits(loc, val, 1, 32, 0); -diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c -index 8f587d8..0642516b 100644 ---- a/arch/s390/kernel/process.c -+++ b/arch/s390/kernel/process.c -@@ -200,27 +200,3 @@ unsigned long get_wchan(struct task_struct *p) - } - return 0; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; -- else -- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long ret; -- -- ret = PAGE_ALIGN(mm->brk + brk_rnd()); -- return (ret > mm->brk) ? ret : mm->brk; --} -diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c -index 6e552af..3e608a1 100644 ---- a/arch/s390/mm/mmap.c -+++ b/arch/s390/mm/mmap.c -@@ -239,6 +239,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -248,9 +252,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = mmap_base_legacy(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area_topdown; - } - } -diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h -index ae3d59f..f65f075 100644 ---- a/arch/score/include/asm/cache.h -+++ b/arch/score/include/asm/cache.h -@@ -1,7 +1,9 @@ - #ifndef _ASM_SCORE_CACHE_H - #define _ASM_SCORE_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_SCORE_CACHE_H */ -diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h -index f9f3cd5..58ff438 100644 ---- a/arch/score/include/asm/exec.h -+++ b/arch/score/include/asm/exec.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_SCORE_EXEC_H - #define _ASM_SCORE_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) (x) - - #endif /* _ASM_SCORE_EXEC_H */ -diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c -index a1519ad3..e8ac1ff 100644 ---- a/arch/score/kernel/process.c -+++ b/arch/score/kernel/process.c -@@ -116,8 +116,3 @@ unsigned long get_wchan(struct task_struct *task) - - return task_pt_regs(task)->cp0_epc; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- return sp; --} -diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h -index ef9e555..331bd29 100644 ---- a/arch/sh/include/asm/cache.h -+++ b/arch/sh/include/asm/cache.h -@@ -9,10 +9,11 @@ - #define __ASM_SH_CACHE_H - #ifdef __KERNEL__ - -+#include <linux/const.h> - #include <linux/init.h> - #include <cpu/cache.h> - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c -index 6777177..cb5e44f 100644 ---- a/arch/sh/mm/mmap.c -+++ b/arch/sh/mm/mmap.c -@@ -36,6 +36,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -55,6 +56,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_colour_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -62,14 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; - info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -@@ -85,6 +89,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -104,6 +109,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_colour_align) -@@ -112,8 +121,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -135,6 +143,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h -index 4082749..fd97781 100644 ---- a/arch/sparc/include/asm/atomic_64.h -+++ b/arch/sparc/include/asm/atomic_64.h -@@ -15,18 +15,38 @@ - #define ATOMIC64_INIT(i) { (i) } - - #define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - #define atomic64_read(v) ACCESS_ONCE((v)->counter) -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - #define atomic_set(v, i) (((v)->counter) = i) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - #define atomic64_set(v, i) (((v)->counter) = i) -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} - --#define ATOMIC_OP(op) \ --void atomic_##op(int, atomic_t *); \ --void atomic64_##op(long, atomic64_t *); -+#define __ATOMIC_OP(op, suffix) \ -+void atomic_##op##suffix(int, atomic##suffix##_t *); \ -+void atomic64_##op##suffix(long, atomic64##suffix##_t *); - --#define ATOMIC_OP_RETURN(op) \ --int atomic_##op##_return(int, atomic_t *); \ --long atomic64_##op##_return(long, atomic64_t *); -+#define ATOMIC_OP(op) __ATOMIC_OP(op, ) __ATOMIC_OP(op, _unchecked) -+ -+#define __ATOMIC_OP_RETURN(op, suffix) \ -+int atomic_##op##_return##suffix(int, atomic##suffix##_t *); \ -+long atomic64_##op##_return##suffix(long, atomic64##suffix##_t *); -+ -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, ) __ATOMIC_OP_RETURN(op, _unchecked) - - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - -@@ -35,13 +55,23 @@ ATOMIC_OPS(sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_dec_return(v) atomic_sub_return(1, v) - #define atomic64_dec_return(v) atomic64_sub_return(1, v) - - #define atomic_inc_return(v) atomic_add_return(1, v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic64_inc_return(v) atomic64_add_return(1, v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - - /* - * atomic_inc_and_test - increment and test -@@ -52,6 +82,10 @@ ATOMIC_OPS(sub) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_inc_return_unchecked(v) == 0; -+} - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) -@@ -61,25 +95,60 @@ ATOMIC_OPS(sub) - #define atomic64_dec_and_test(v) (atomic64_sub_return(1, v) == 0) - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic64_inc(v) atomic64_add(1, v) -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); -+} - - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - #define atomic64_dec(v) atomic64_sub(1, v) -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_sub_unchecked(1, v); -+} - - #define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0) - #define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0) - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%icc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -90,20 +159,35 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - #define atomic64_cmpxchg(v, o, n) \ - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%xcc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h -index 7664894..45a974b 100644 ---- a/arch/sparc/include/asm/barrier_64.h -+++ b/arch/sparc/include/asm/barrier_64.h -@@ -60,7 +60,7 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h -index 5bb6991..5c2132e 100644 ---- a/arch/sparc/include/asm/cache.h -+++ b/arch/sparc/include/asm/cache.h -@@ -7,10 +7,12 @@ - #ifndef _SPARC_CACHE_H - #define _SPARC_CACHE_H - -+#include <linux/const.h> -+ - #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) - - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES 32 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SPARC32 - #define SMP_CACHE_BYTES_SHIFT 5 -diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h -index a24e41f..47677ff 100644 ---- a/arch/sparc/include/asm/elf_32.h -+++ b/arch/sparc/include/asm/elf_32.h -@@ -114,6 +114,13 @@ typedef struct { - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. This can NOT be done in userspace - on Sparc. */ -diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h -index 370ca1e..d4f4a98 100644 ---- a/arch/sparc/include/asm/elf_64.h -+++ b/arch/sparc/include/asm/elf_64.h -@@ -189,6 +189,13 @@ typedef struct { - #define ELF_ET_DYN_BASE 0x0000010000000000UL - #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29) -+#endif -+ - extern unsigned long sparc64_elf_hwcap; - #define ELF_HWCAP sparc64_elf_hwcap - -diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h -index a3890da..f6a408e 100644 ---- a/arch/sparc/include/asm/pgalloc_32.h -+++ b/arch/sparc/include/asm/pgalloc_32.h -@@ -35,6 +35,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp) - } - - #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, - unsigned long address) -diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h -index 5e31871..13469c6 100644 ---- a/arch/sparc/include/asm/pgalloc_64.h -+++ b/arch/sparc/include/asm/pgalloc_64.h -@@ -21,6 +21,7 @@ static inline void __pgd_populate(pgd_t *pgd, pud_t *pud) - } - - #define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pgd_t *pgd_alloc(struct mm_struct *mm) - { -@@ -38,6 +39,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd) - } - - #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD) -+#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h -index 59ba6f6..4518128 100644 ---- a/arch/sparc/include/asm/pgtable.h -+++ b/arch/sparc/include/asm/pgtable.h -@@ -5,4 +5,8 @@ - #else - #include <asm/pgtable_32.h> - #endif -+ -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #endif -diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h -index f06b36a..bca3189 100644 ---- a/arch/sparc/include/asm/pgtable_32.h -+++ b/arch/sparc/include/asm/pgtable_32.h -@@ -51,6 +51,9 @@ unsigned long __init bootmem_init(unsigned long *pages_avail); - #define PAGE_SHARED SRMMU_PAGE_SHARED - #define PAGE_COPY SRMMU_PAGE_COPY - #define PAGE_READONLY SRMMU_PAGE_RDONLY -+#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC -+#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC -+#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC - #define PAGE_KERNEL SRMMU_PAGE_KERNEL - - /* Top-level page directory - dummy used by init-mm. -@@ -63,18 +66,18 @@ extern unsigned long ptr_in_current_pgd; - - /* xwr */ - #define __P000 PAGE_NONE --#define __P001 PAGE_READONLY --#define __P010 PAGE_COPY --#define __P011 PAGE_COPY -+#define __P001 PAGE_READONLY_NOEXEC -+#define __P010 PAGE_COPY_NOEXEC -+#define __P011 PAGE_COPY_NOEXEC - #define __P100 PAGE_READONLY - #define __P101 PAGE_READONLY - #define __P110 PAGE_COPY - #define __P111 PAGE_COPY - - #define __S000 PAGE_NONE --#define __S001 PAGE_READONLY --#define __S010 PAGE_SHARED --#define __S011 PAGE_SHARED -+#define __S001 PAGE_READONLY_NOEXEC -+#define __S010 PAGE_SHARED_NOEXEC -+#define __S011 PAGE_SHARED_NOEXEC - #define __S100 PAGE_READONLY - #define __S101 PAGE_READONLY - #define __S110 PAGE_SHARED -diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h -index ae51a11..eadfd03 100644 ---- a/arch/sparc/include/asm/pgtsrmmu.h -+++ b/arch/sparc/include/asm/pgtsrmmu.h -@@ -111,6 +111,11 @@ - SRMMU_EXEC | SRMMU_REF) - #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -+ -+#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF) -+#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+ - #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ - SRMMU_DIRTY | SRMMU_REF) - -diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h -index 29d64b1..4272fe8 100644 ---- a/arch/sparc/include/asm/setup.h -+++ b/arch/sparc/include/asm/setup.h -@@ -55,8 +55,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs); - void handle_ld_nf(u32 insn, struct pt_regs *regs); - - /* init_64.c */ --extern atomic_t dcpage_flushes; --extern atomic_t dcpage_flushes_xcall; -+extern atomic_unchecked_t dcpage_flushes; -+extern atomic_unchecked_t dcpage_flushes_xcall; - - extern int sysctl_tsb_ratio; - #endif -diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h -index 9689176..63c18ea 100644 ---- a/arch/sparc/include/asm/spinlock_64.h -+++ b/arch/sparc/include/asm/spinlock_64.h -@@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla - - /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ - --static void inline arch_read_lock(arch_rwlock_t *lock) -+static inline void arch_read_lock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__ ( - "1: ldsw [%2], %0\n" - " brlz,pn %0, 2f\n" --"4: add %0, 1, %1\n" -+"4: addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_rwlock_t *lock) - " .previous" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (lock) -- : "memory"); -+ : "memory", "cc"); - } - --static int inline arch_read_trylock(arch_rwlock_t *lock) -+static inline int arch_read_trylock(arch_rwlock_t *lock) - { - int tmp1, tmp2; - -@@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch_rwlock_t *lock) - "1: ldsw [%2], %0\n" - " brlz,a,pn %0, 2f\n" - " mov 0, %0\n" --" add %0, 1, %1\n" -+" addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch_rwlock_t *lock) - return tmp1; - } - --static void inline arch_read_unlock(arch_rwlock_t *lock) -+static inline void arch_read_unlock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__( - "1: lduw [%2], %0\n" --" sub %0, 1, %1\n" -+" subcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%xcc, 1b\n" -@@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock) - : "memory"); - } - --static void inline arch_write_lock(arch_rwlock_t *lock) -+static inline void arch_write_lock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2; - -@@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock) - : "memory"); - } - --static void inline arch_write_unlock(arch_rwlock_t *lock) -+static inline void arch_write_unlock(arch_rwlock_t *lock) - { - __asm__ __volatile__( - " stw %%g0, [%0]" -@@ -186,7 +201,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock) - : "memory"); - } - --static int inline arch_write_trylock(arch_rwlock_t *lock) -+static inline int arch_write_trylock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2, result; - -diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h -index 229475f..2fca9163 100644 ---- a/arch/sparc/include/asm/thread_info_32.h -+++ b/arch/sparc/include/asm/thread_info_32.h -@@ -48,6 +48,7 @@ struct thread_info { - struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ - unsigned long rwbuf_stkptrs[NSWINS]; - unsigned long w_saved; -+ unsigned long lowest_stack; - }; - - /* -diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h -index bde5982..9cbb56d 100644 ---- a/arch/sparc/include/asm/thread_info_64.h -+++ b/arch/sparc/include/asm/thread_info_64.h -@@ -59,6 +59,8 @@ struct thread_info { - struct pt_regs *kern_una_regs; - unsigned int kern_una_insn; - -+ unsigned long lowest_stack; -+ - unsigned long fpregs[(7 * 256) / sizeof(unsigned long)] - __attribute__ ((aligned(64))); - }; -@@ -180,12 +182,13 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ - /* flag bit 4 is available */ - #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ --/* flag bit 6 is available */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - #define TIF_32BIT 7 /* 32-bit binary */ - #define TIF_NOHZ 8 /* in adaptive nohz mode */ - #define TIF_SECCOMP 9 /* secure computing */ - #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ - #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -+ - /* NOTE: Thread flags >= 12 should be ones we have no interest - * in using in assembly, else we can't use the mask as - * an immediate value in instructions such as andcc. -@@ -205,12 +208,17 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) - #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - - #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ - _TIF_DO_NOTIFY_RESUME_MASK | \ - _TIF_NEED_RESCHED) - #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) - -+#define _TIF_WORK_SYSCALL \ -+ (_TIF_SYSCALL_TRACE | _TIF_SECCOMP | _TIF_SYSCALL_AUDIT | \ -+ _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID) -+ - #define is_32bit_task() (test_thread_flag(TIF_32BIT)) - - /* -diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h -index bd56c28..4b63d83 100644 ---- a/arch/sparc/include/asm/uaccess.h -+++ b/arch/sparc/include/asm/uaccess.h -@@ -1,5 +1,6 @@ - #ifndef ___ASM_SPARC_UACCESS_H - #define ___ASM_SPARC_UACCESS_H -+ - #if defined(__sparc__) && defined(__arch64__) - #include <asm/uaccess_64.h> - #else -diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h -index 64ee103..388aef0 100644 ---- a/arch/sparc/include/asm/uaccess_32.h -+++ b/arch/sparc/include/asm/uaccess_32.h -@@ -47,6 +47,7 @@ - #define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; }) - #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) - #define __access_ok(addr, size) (__user_ok((addr) & get_fs().seg, (size))) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - ({ (void)(type); __access_ok((unsigned long)(addr), size); }) - -@@ -313,27 +314,46 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon - - static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) to, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); - return __copy_user(to, (__force void __user *) from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_user(to, (__force void __user *) from, n); - } - - static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) from, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); - return __copy_user((__force void __user *) to, from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - return __copy_user((__force void __user *) to, from, n); - } - -diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h -index a35194b..47dabc0d 100644 ---- a/arch/sparc/include/asm/uaccess_64.h -+++ b/arch/sparc/include/asm/uaccess_64.h -@@ -10,6 +10,7 @@ - #include <linux/compiler.h> - #include <linux/string.h> - #include <linux/thread_info.h> -+#include <linux/kernel.h> - #include <asm/asi.h> - #include <asm/spitfire.h> - #include <asm-generic/uaccess-unaligned.h> -@@ -54,6 +55,11 @@ static inline int __access_ok(const void __user * addr, unsigned long size) - return 1; - } - -+static inline int access_ok_noprefault(int type, const void __user * addr, unsigned long size) -+{ -+ return 1; -+} -+ - static inline int access_ok(int type, const void __user * addr, unsigned long size) - { - return 1; -@@ -228,8 +234,15 @@ unsigned long copy_from_user_fixup(void *to, const void __user *from, - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long size) - { -- unsigned long ret = ___copy_from_user(to, from, size); -+ unsigned long ret; - -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(to, size, false); -+ -+ ret = ___copy_from_user(to, from, size); - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); - -@@ -245,8 +258,15 @@ unsigned long copy_to_user_fixup(void __user *to, const void *from, - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long size) - { -- unsigned long ret = ___copy_to_user(to, from, size); -+ unsigned long ret; - -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(from, size, true); -+ -+ ret = ___copy_to_user(to, from, size); - if (unlikely(ret)) - ret = copy_to_user_fixup(to, from, size); - return ret; -diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile -index 7cf9c6e..6206648 100644 ---- a/arch/sparc/kernel/Makefile -+++ b/arch/sparc/kernel/Makefile -@@ -4,7 +4,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - extra-y := head_$(BITS).o - -diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c -index 50e7b62..79fae35 100644 ---- a/arch/sparc/kernel/process_32.c -+++ b/arch/sparc/kernel/process_32.c -@@ -123,14 +123,14 @@ void show_regs(struct pt_regs *r) - - printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", - r->psr, r->pc, r->npc, r->y, print_tainted()); -- printk("PC: <%pS>\n", (void *) r->pc); -+ printk("PC: <%pA>\n", (void *) r->pc); - printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3], - r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]); - printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11], - r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) r->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) r->u_regs[15]); - - printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], -@@ -167,7 +167,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - rw = (struct reg_window32 *) fp; - pc = rw->ins[7]; - printk("[%08lx : ", pc); -- printk("%pS ] ", (void *) pc); -+ printk("%pA ] ", (void *) pc); - fp = rw->ins[6]; - } while (++count < 16); - printk("\n"); -diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c -index 46a5964..a35c62c 100644 ---- a/arch/sparc/kernel/process_64.c -+++ b/arch/sparc/kernel/process_64.c -@@ -161,7 +161,7 @@ static void show_regwindow(struct pt_regs *regs) - printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n", - rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]); - if (regs->tstate & TSTATE_PRIV) -- printk("I7: <%pS>\n", (void *) rwk->ins[7]); -+ printk("I7: <%pA>\n", (void *) rwk->ins[7]); - } - - void show_regs(struct pt_regs *regs) -@@ -170,7 +170,7 @@ void show_regs(struct pt_regs *regs) - - printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate, - regs->tpc, regs->tnpc, regs->y, print_tainted()); -- printk("TPC: <%pS>\n", (void *) regs->tpc); -+ printk("TPC: <%pA>\n", (void *) regs->tpc); - printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n", - regs->u_regs[0], regs->u_regs[1], regs->u_regs[2], - regs->u_regs[3]); -@@ -183,7 +183,7 @@ void show_regs(struct pt_regs *regs) - printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n", - regs->u_regs[12], regs->u_regs[13], regs->u_regs[14], - regs->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]); - show_regwindow(regs); - show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]); - } -@@ -278,7 +278,7 @@ void arch_trigger_all_cpu_backtrace(bool include_self) - ((tp && tp->task) ? tp->task->pid : -1)); - - if (gp->tstate & TSTATE_PRIV) { -- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n", -+ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n", - (void *) gp->tpc, - (void *) gp->o7, - (void *) gp->i7, -diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c -index 79cc0d1..ec62734 100644 ---- a/arch/sparc/kernel/prom_common.c -+++ b/arch/sparc/kernel/prom_common.c -@@ -144,7 +144,7 @@ static int __init prom_common_nextprop(phandle node, char *prev, char *buf) - - unsigned int prom_early_allocated __initdata; - --static struct of_pdt_ops prom_sparc_ops __initdata = { -+static struct of_pdt_ops prom_sparc_ops __initconst = { - .nextprop = prom_common_nextprop, - .getproplen = prom_getproplen, - .getproperty = prom_getproperty, -diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c -index 9ddc492..27a5619 100644 ---- a/arch/sparc/kernel/ptrace_64.c -+++ b/arch/sparc/kernel/ptrace_64.c -@@ -1060,6 +1060,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs) - { - int ret = 0; -@@ -1070,6 +1074,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE)) - ret = tracehook_report_syscall_entry(regs); - -@@ -1088,6 +1097,11 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c -index 19cd08d..ff21e99 100644 ---- a/arch/sparc/kernel/smp_64.c -+++ b/arch/sparc/kernel/smp_64.c -@@ -891,7 +891,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - return; - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - this_cpu = get_cpu(); -@@ -915,7 +915,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpumask_of(cpu)); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - } -@@ -934,7 +934,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - preempt_disable(); - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - data0 = 0; - pg_addr = page_address(page); -@@ -951,7 +951,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpu_online_mask); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - __local_flush_dcache_page(page); -diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c -index 646988d..b88905f 100644 ---- a/arch/sparc/kernel/sys_sparc_32.c -+++ b/arch/sparc/kernel/sys_sparc_32.c -@@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (len > TASK_SIZE - PAGE_SIZE) - return -ENOMEM; - if (!addr) -- addr = TASK_UNMAPPED_BASE; -+ addr = current->mm->mmap_base; - - info.flags = 0; - info.length = len; -diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c -index 30e7ddb..266a3b0 100644 ---- a/arch/sparc/kernel/sys_sparc_64.c -+++ b/arch/sparc/kernel/sys_sparc_64.c -@@ -89,13 +89,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - struct vm_area_struct * vma; - unsigned long task_size = TASK_SIZE; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -110,6 +111,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOR_ALIGN(addr, pgoff); -@@ -117,22 +122,28 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -150,6 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long task_size = STACK_TOP32; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* This should only ever run for 32-bit processes. */ -@@ -159,7 +171,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -172,6 +184,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_color_align) -@@ -180,8 +196,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -191,6 +206,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -203,6 +219,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -259,10 +281,14 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u - EXPORT_SYMBOL(get_fb_unmapped_area); - - /* Essentially the same as PowerPC. */ --static unsigned long mmap_rnd(void) -+static unsigned long mmap_rnd(struct mm_struct *mm) - { - unsigned long rnd = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) { - unsigned long val = get_random_int(); - if (test_thread_flag(TIF_32BIT)) -@@ -275,7 +301,7 @@ static unsigned long mmap_rnd(void) - - void arch_pick_mmap_layout(struct mm_struct *mm) - { -- unsigned long random_factor = mmap_rnd(); -+ unsigned long random_factor = mmap_rnd(mm); - unsigned long gap; - - /* -@@ -288,6 +314,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap == RLIM_INFINITY || - sysctl_legacy_va_layout) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - /* We know it's 32-bit */ -@@ -299,6 +331,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap = (task_size / 6 * 5); - - mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S -index bb00089..e0ea580 100644 ---- a/arch/sparc/kernel/syscalls.S -+++ b/arch/sparc/kernel/syscalls.S -@@ -62,7 +62,7 @@ sys32_rt_sigreturn: - #endif - .align 32 - 1: ldx [%g6 + TI_FLAGS], %l5 -- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l5, _TIF_WORK_SYSCALL, %g0 - be,pt %icc, rtrap - nop - call syscall_trace_leave -@@ -194,7 +194,7 @@ linux_sparc_syscall32: - - srl %i3, 0, %o3 ! IEU0 - srl %i2, 0, %o2 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace32 ! CTI - mov %i0, %l5 ! IEU1 - 5: call %l7 ! CTI Group brk forced -@@ -218,7 +218,7 @@ linux_sparc_syscall: - - mov %i3, %o3 ! IEU1 - mov %i4, %o4 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace ! CTI Group - mov %i0, %l5 ! IEU0 - 2: call %l7 ! CTI Group brk forced -@@ -233,7 +233,7 @@ ret_sys_call: - - cmp %o0, -ERESTART_RESTARTBLOCK - bgeu,pn %xcc, 1f -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc - - 2: -diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c -index 4f21df7..0a374da 100644 ---- a/arch/sparc/kernel/traps_32.c -+++ b/arch/sparc/kernel/traps_32.c -@@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc) - #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t") - #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t") - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -76,15 +78,17 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - count++ < 30 && - (((unsigned long) rw) >= PAGE_OFFSET) && - !(((unsigned long) rw) & 0x7)) { -- printk("Caller[%08lx]: %pS\n", rw->ins[7], -+ printk("Caller[%08lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - rw = (struct reg_window32 *)rw->ins[6]; - } - } - printk("Instruction DUMP:"); - instruction_dump ((unsigned long *) regs->pc); -- if(regs->psr & PSR_PS) -+ if(regs->psr & PSR_PS) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - -diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c -index d21cd62..00a4a17 100644 ---- a/arch/sparc/kernel/traps_64.c -+++ b/arch/sparc/kernel/traps_64.c -@@ -79,7 +79,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p) - i + 1, - p->trapstack[i].tstate, p->trapstack[i].tpc, - p->trapstack[i].tnpc, p->trapstack[i].tt); -- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc); -+ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc); - } - } - -@@ -99,6 +99,12 @@ void bad_trap(struct pt_regs *regs, long lvl) - - lvl -= 0x100; - if (regs->tstate & TSTATE_PRIV) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - sprintf(buffer, "Kernel bad sw trap %lx", lvl); - die_if_kernel(buffer, regs); - } -@@ -117,11 +123,16 @@ void bad_trap(struct pt_regs *regs, long lvl) - void bad_trap_tl1(struct pt_regs *regs, long lvl) - { - char buffer[32]; -- -+ - if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs, - 0, lvl, SIGTRAP) == NOTIFY_STOP) - return; - -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - dump_tl1_traplog((struct tl1_traplog *)(regs + 1)); - - sprintf (buffer, "Bad trap %lx at tl>0", lvl); -@@ -1151,7 +1162,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in - regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate); - printk("%s" "ERROR(%d): ", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id()); -- printk("TPC<%pS>\n", (void *) regs->tpc); -+ printk("TPC<%pA>\n", (void *) regs->tpc); - printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), - (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT, -@@ -1758,7 +1769,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc); - panic("Irrecoverable Cheetah+ parity error."); - } - -@@ -1766,7 +1777,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc); - } - - struct sun4v_error_entry { -@@ -1839,8 +1850,8 @@ struct sun4v_error_entry { - /*0x38*/u64 reserved_5; - }; - --static atomic_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); --static atomic_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); - - static const char *sun4v_err_type_to_str(u8 type) - { -@@ -1932,7 +1943,7 @@ static void sun4v_report_real_raddr(const char *pfx, struct pt_regs *regs) - } - - static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, -- int cpu, const char *pfx, atomic_t *ocnt) -+ int cpu, const char *pfx, atomic_unchecked_t *ocnt) - { - u64 *raw_ptr = (u64 *) ent; - u32 attrs; -@@ -1990,8 +2001,8 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, - - show_regs(regs); - -- if ((cnt = atomic_read(ocnt)) != 0) { -- atomic_set(ocnt, 0); -+ if ((cnt = atomic_read_unchecked(ocnt)) != 0) { -+ atomic_set_unchecked(ocnt, 0); - wmb(); - printk("%s: Queue overflowed %d times.\n", - pfx, cnt); -@@ -2048,7 +2059,7 @@ out: - */ - void sun4v_resum_overflow(struct pt_regs *regs) - { -- atomic_inc(&sun4v_resum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_resum_oflow_cnt); - } - - /* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate. -@@ -2101,7 +2112,7 @@ void sun4v_nonresum_overflow(struct pt_regs *regs) - /* XXX Actually even this can make not that much sense. Perhaps - * XXX we should just pull the plug and panic directly from here? - */ -- atomic_inc(&sun4v_nonresum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_nonresum_oflow_cnt); - } - - static void sun4v_tlb_error(struct pt_regs *regs) -@@ -2120,9 +2131,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2143,9 +2154,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2362,13 +2373,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - fp = (unsigned long)sf->fp + STACK_BIAS; - } - -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((pc + 8UL) == (unsigned long) &return_to_handler) { - int index = tsk->curr_ret_stack; - if (tsk->ret_stack && index >= graph) { - pc = tsk->ret_stack[index - graph].ret; -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - graph++; - } - } -@@ -2386,6 +2397,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw) - return (struct reg_window *) (fp + STACK_BIAS); - } - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -2414,7 +2427,7 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - while (rw && - count++ < 30 && - kstack_valid(tp, (unsigned long) rw)) { -- printk("Caller[%016lx]: %pS\n", rw->ins[7], -+ printk("Caller[%016lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - - rw = kernel_stack_up(rw); -@@ -2429,8 +2442,10 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - } - if (panic_on_oops) - panic("Fatal exception"); -- if (regs->tstate & TSTATE_PRIV) -+ if (regs->tstate & TSTATE_PRIV) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - EXPORT_SYMBOL(die_if_kernel); -diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c -index 62098a8..547ab2c 100644 ---- a/arch/sparc/kernel/unaligned_64.c -+++ b/arch/sparc/kernel/unaligned_64.c -@@ -297,7 +297,7 @@ static void log_unaligned(struct pt_regs *regs) - static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - - if (__ratelimit(&ratelimit)) { -- printk("Kernel unaligned access at TPC[%lx] %pS\n", -+ printk("Kernel unaligned access at TPC[%lx] %pA\n", - regs->tpc, (void *) regs->tpc); - } - } -diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile -index 3269b02..64f5231 100644 ---- a/arch/sparc/lib/Makefile -+++ b/arch/sparc/lib/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi -DST_DIV0=0x02 --ccflags-y := -Werror -+#ccflags-y := -Werror - - lib-$(CONFIG_SPARC32) += ashrdi3.o - lib-$(CONFIG_SPARC32) += memcpy.o memset.o -diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S -index 05dac43..76f8ed4 100644 ---- a/arch/sparc/lib/atomic_64.S -+++ b/arch/sparc/lib/atomic_64.S -@@ -15,11 +15,22 @@ - * a value and does the barriers. - */ - --#define ATOMIC_OP(op) \ --ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##cc -+#define __OVERFLOW_IOP tvs %icc, 6; -+#define __OVERFLOW_XOP tvs %xcc, 6; -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_IOP -+#define __OVERFLOW_XOP -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -29,11 +40,15 @@ ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic_##op); \ - --#define ATOMIC_OP_RETURN(op) \ --ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC_OP(op) __ATOMIC_OP(op, , op, ) \ -+ __ATOMIC_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -43,6 +58,9 @@ ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic_##op##_return); - -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, , op, ) \ -+ __ATOMIC_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) -+ - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - - ATOMIC_OPS(add) -@@ -50,13 +68,16 @@ ATOMIC_OPS(sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - --#define ATOMIC64_OP(op) \ --ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define __ATOMIC64_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -66,11 +87,15 @@ ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic64_##op); \ - --#define ATOMIC64_OP_RETURN(op) \ --ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC64_OP(op) __ATOMIC64_OP(op, , op, ) \ -+ __ATOMIC64_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -80,6 +105,9 @@ ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic64_##op##_return); - -+#define ATOMIC64_OP_RETURN(op) __ATOMIC64_OP_RETURN(op, , op, ) \ -+i __ATOMIC64_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) -+ - #define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_OP_RETURN(op) - - ATOMIC64_OPS(add) -@@ -87,7 +115,12 @@ ATOMIC64_OPS(sub) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_XOP -+#undef __OVERFLOW_IOP -+#undef __REFCOUNT_OP - - ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */ - BACKOFF_SETUP(%o2) -diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c -index 8069ce1..c2e23c4 100644 ---- a/arch/sparc/lib/ksyms.c -+++ b/arch/sparc/lib/ksyms.c -@@ -101,7 +101,9 @@ EXPORT_SYMBOL(__clear_user); - /* Atomic counter implementation. */ - #define ATOMIC_OP(op) \ - EXPORT_SYMBOL(atomic_##op); \ --EXPORT_SYMBOL(atomic64_##op); -+EXPORT_SYMBOL(atomic_##op##_unchecked); \ -+EXPORT_SYMBOL(atomic64_##op); \ -+EXPORT_SYMBOL(atomic64_##op##_unchecked); - - #define ATOMIC_OP_RETURN(op) \ - EXPORT_SYMBOL(atomic_##op##_return); \ -@@ -110,6 +112,8 @@ EXPORT_SYMBOL(atomic64_##op##_return); - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - - ATOMIC_OPS(add) -+EXPORT_SYMBOL(atomic_add_ret_unchecked); -+EXPORT_SYMBOL(atomic64_add_ret_unchecked); - ATOMIC_OPS(sub) - - #undef ATOMIC_OPS -diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile -index 30c3ecc..736f015 100644 ---- a/arch/sparc/mm/Makefile -+++ b/arch/sparc/mm/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o - obj-y += fault_$(BITS).o -diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c -index 70d8171..274c6c0 100644 ---- a/arch/sparc/mm/fault_32.c -+++ b/arch/sparc/mm/fault_32.c -@@ -21,6 +21,9 @@ - #include <linux/perf_event.h> - #include <linux/interrupt.h> - #include <linux/kdebug.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -156,6 +159,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault) - return safe_compute_effective_address(regs, insn); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->pc); -+ err |= get_user(sethi2, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned int addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->pc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned int addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ else -+ addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(ba, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr, save, call; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(&current->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(&current->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(&current->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(&current->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->pc = call_dl_resolve; -+ regs->npc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->pc-4)); -+ err |= get_user(call, (unsigned int *)regs->pc); -+ err |= get_user(nop, (unsigned int *)(regs->pc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2); -+ -+ regs->u_regs[UREG_RETPC] = regs->pc; -+ regs->pc = dl_resolve; -+ regs->npc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs, - int text_fault) - { -@@ -226,6 +500,24 @@ good_area: - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - } else { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; -diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c -index 4798232..f76e3aa 100644 ---- a/arch/sparc/mm/fault_64.c -+++ b/arch/sparc/mm/fault_64.c -@@ -22,6 +22,9 @@ - #include <linux/kdebug.h> - #include <linux/percpu.h> - #include <linux/context_tracking.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -76,7 +79,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) - printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", - regs->tpc); - printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]); -- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]); -+ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]); - printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); - dump_stack(); - unhandled_fault(regs->tpc, current, regs); -@@ -279,6 +282,466 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs) - show_regs(regs); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->tpc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->tpc); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->tpc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned long addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ else -+ addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #4 */ -+ unsigned int sethi, mov1, call, mov2; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(mov1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(call, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(mov2, (unsigned int *)(regs->tpc+12)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ mov1 == 0x8210000FU && -+ (call & 0xC0000000U) == 0x40000000U && -+ mov2 == 0x9E100001U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC]; -+ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #5 */ -+ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(or1, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or2, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+28)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x82106000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x83287020U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #6 */ -+ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+24)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ sllx == 0x83287020U && -+ (or & 0xFFFFE000U) == 0x8A116000U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ unsigned int save, call; -+ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(&current->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(&current->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(&current->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(&current->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->tpc = call_dl_resolve; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ -+ /* PaX: 64-bit PLT stub */ -+ err = get_user(sethi1, (unsigned int *)addr); -+ err |= get_user(sethi2, (unsigned int *)(addr+4)); -+ err |= get_user(or1, (unsigned int *)(addr+8)); -+ err |= get_user(or2, (unsigned int *)(addr+12)); -+ err |= get_user(sllx, (unsigned int *)(addr+16)); -+ err |= get_user(add, (unsigned int *)(addr+20)); -+ err |= get_user(jmpl, (unsigned int *)(addr+24)); -+ err |= get_user(nop, (unsigned int *)(addr+28)); -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x09000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x88112000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x89293020U && -+ add == 0x8A010005U && -+ jmpl == 0x89C14000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G4] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4]; -+ regs->u_regs[UREG_G4] = addr + 24; -+ addr = regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->tpc-4)); -+ err |= get_user(call, (unsigned int *)regs->tpc); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ dl_resolve &= 0xFFFFFFFFUL; -+ -+ regs->u_regs[UREG_RETPC] = regs->tpc; -+ regs->tpc = dl_resolve; -+ regs->tnpc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (ba & 0xFFF00000U) == 0x30600000U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) - { - enum ctx_state prev_state = exception_enter(); -@@ -353,6 +816,29 @@ retry: - if (!vma) - goto bad_area; - -+#ifdef CONFIG_PAX_PAGEEXEC -+ /* PaX: detect ITLB misses on non-exec pages */ -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address && -+ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB)) -+ { -+ if (address != regs->tpc) -+ goto good_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Pure DTLB misses do not tell us whether the fault causing - * load/store/atomic was a write or not, it only says that there - * was no match. So in such a case we (carefully) read the -diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c -index 4242eab..9ae6360 100644 ---- a/arch/sparc/mm/hugetlbpage.c -+++ b/arch/sparc/mm/hugetlbpage.c -@@ -25,8 +25,10 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - unsigned long addr, - unsigned long len, - unsigned long pgoff, -- unsigned long flags) -+ unsigned long flags, -+ unsigned long offset) - { -+ struct mm_struct *mm = current->mm; - unsigned long task_size = TASK_SIZE; - struct vm_unmapped_area_info info; - -@@ -35,15 +37,22 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -55,7 +64,8 @@ static unsigned long - hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - const unsigned long len, - const unsigned long pgoff, -- const unsigned long flags) -+ const unsigned long flags, -+ const unsigned long offset) - { - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; -@@ -70,6 +80,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -82,6 +93,12 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -96,6 +113,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (test_thread_flag(TIF_32BIT)) - task_size = STACK_TOP32; -@@ -111,19 +129,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, HPAGE_SIZE); - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - - pte_t *huge_pte_alloc(struct mm_struct *mm, -diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c -index 559cb74..9e5f097 100644 ---- a/arch/sparc/mm/init_64.c -+++ b/arch/sparc/mm/init_64.c -@@ -187,9 +187,9 @@ unsigned long sparc64_kern_sec_context __read_mostly; - int num_kernel_image_mappings; - - #ifdef CONFIG_DEBUG_DCFLUSH --atomic_t dcpage_flushes = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes = ATOMIC_INIT(0); - #ifdef CONFIG_SMP --atomic_t dcpage_flushes_xcall = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes_xcall = ATOMIC_INIT(0); - #endif - #endif - -@@ -197,7 +197,7 @@ inline void flush_dcache_page_impl(struct page *page) - { - BUG_ON(tlb_type == hypervisor); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - #ifdef DCACHE_ALIASING_POSSIBLE -@@ -469,10 +469,10 @@ void mmu_info(struct seq_file *m) - - #ifdef CONFIG_DEBUG_DCFLUSH - seq_printf(m, "DCPageFlushes\t: %d\n", -- atomic_read(&dcpage_flushes)); -+ atomic_read_unchecked(&dcpage_flushes)); - #ifdef CONFIG_SMP - seq_printf(m, "DCPageFlushesXC\t: %d\n", -- atomic_read(&dcpage_flushes_xcall)); -+ atomic_read_unchecked(&dcpage_flushes_xcall)); - #endif /* CONFIG_SMP */ - #endif /* CONFIG_DEBUG_DCFLUSH */ - } -diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig -index a07e31b..85c9003 100644 ---- a/arch/tile/Kconfig -+++ b/arch/tile/Kconfig -@@ -198,6 +198,7 @@ source "kernel/Kconfig.hz" - - config KEXEC - bool "kexec system call" -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h -index 7b11c5f..755a026 100644 ---- a/arch/tile/include/asm/atomic_64.h -+++ b/arch/tile/include/asm/atomic_64.h -@@ -105,6 +105,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - /* Define this to indicate that cmpxchg is an efficient operation. */ - #define __HAVE_ARCH_CMPXCHG - -diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h -index 6160761..00cac88 100644 ---- a/arch/tile/include/asm/cache.h -+++ b/arch/tile/include/asm/cache.h -@@ -15,11 +15,12 @@ - #ifndef _ASM_TILE_CACHE_H - #define _ASM_TILE_CACHE_H - -+#include <linux/const.h> - #include <arch/chip.h> - - /* bytes per L1 data cache line */ - #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE() --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* bytes per L2 cache line */ - #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE() -diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h -index f41cb53..31d3ab4 100644 ---- a/arch/tile/include/asm/uaccess.h -+++ b/arch/tile/include/asm/uaccess.h -@@ -417,9 +417,9 @@ static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, - unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - -- if (likely(sz == -1 || sz >= n)) -+ if (likely(sz == (size_t)-1 || sz >= n)) - n = _copy_from_user(to, from, n); - else - copy_from_user_overflow(); -diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c -index 8416240..a012fb7 100644 ---- a/arch/tile/mm/hugetlbpage.c -+++ b/arch/tile/mm/hugetlbpage.c -@@ -179,6 +179,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -@@ -196,6 +197,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - addr = vm_unmapped_area(&info); - - /* -diff --git a/arch/um/Makefile b/arch/um/Makefile -index 17d4460..9d74338e3de4 100644 ---- a/arch/um/Makefile -+++ b/arch/um/Makefile -@@ -72,6 +72,10 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\ - $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \ - $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include - -+ifdef CONSTIFY_PLUGIN -+USER_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif -+ - #This will adjust *FLAGS accordingly to the platform. - include $(ARCH_DIR)/Makefile-os-$(OS) - -diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h -index 19e1bdd..3665b77 100644 ---- a/arch/um/include/asm/cache.h -+++ b/arch/um/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef __UM_CACHE_H - #define __UM_CACHE_H - -+#include <linux/const.h> - - #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT) - # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) -@@ -12,6 +13,6 @@ - # define L1_CACHE_SHIFT 5 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif -diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h -index 2e0a6b1..a64d0f5 100644 ---- a/arch/um/include/asm/kmap_types.h -+++ b/arch/um/include/asm/kmap_types.h -@@ -8,6 +8,6 @@ - - /* No more #include "asm/arch/kmap_types.h" ! */ - --#define KM_TYPE_NR 14 -+#define KM_TYPE_NR 15 - - #endif -diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h -index 71c5d13..4c7b9f1 100644 ---- a/arch/um/include/asm/page.h -+++ b/arch/um/include/asm/page.h -@@ -14,6 +14,9 @@ - #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) - #define PAGE_MASK (~(PAGE_SIZE-1)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef __ASSEMBLY__ - - struct page; -diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h -index 2b4274e..754fe06 100644 ---- a/arch/um/include/asm/pgtable-3level.h -+++ b/arch/um/include/asm/pgtable-3level.h -@@ -58,6 +58,7 @@ - #define pud_present(x) (pud_val(x) & _PAGE_PRESENT) - #define pud_populate(mm, pud, pmd) \ - set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd))) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - #ifdef CONFIG_64BIT - #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval)) -diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c -index 68b9119..f72353c 100644 ---- a/arch/um/kernel/process.c -+++ b/arch/um/kernel/process.c -@@ -345,22 +345,6 @@ int singlestepping(void * t) - return 2; - } - --/* -- * Only x86 and x86_64 have an arch_align_stack(). -- * All other arches have "#define arch_align_stack(x) (x)" -- * in their asm/exec.h -- * As this is included in UML from asm-um/system-generic.h, -- * we can use it to behave as the subarch does. -- */ --#ifndef arch_align_stack --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} --#endif -- - unsigned long get_wchan(struct task_struct *p) - { - unsigned long stack_page, sp, ip; -diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h -index ad8f795..2c7eec6 100644 ---- a/arch/unicore32/include/asm/cache.h -+++ b/arch/unicore32/include/asm/cache.h -@@ -12,8 +12,10 @@ - #ifndef __UNICORE_CACHE_H__ - #define __UNICORE_CACHE_H__ - --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#include <linux/const.h> -+ -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index 226d569..297bf74 100644 ---- a/arch/x86/Kconfig -+++ b/arch/x86/Kconfig -@@ -32,7 +32,7 @@ config X86 - select HAVE_AOUT if X86_32 - select HAVE_UNSTABLE_SCHED_CLOCK - select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 -- select ARCH_SUPPORTS_INT128 if X86_64 -+ select ARCH_SUPPORTS_INT128 if X86_64 && !PAX_SIZE_OVERFLOW - select HAVE_IDE - select HAVE_OPROFILE - select HAVE_PCSPKR_PLATFORM -@@ -134,7 +134,7 @@ config X86 - select RTC_LIB - select HAVE_DEBUG_STACKOVERFLOW - select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64 -- select HAVE_CC_STACKPROTECTOR -+ select HAVE_CC_STACKPROTECTOR if X86_64 || !PAX_MEMORY_UDEREF - select GENERIC_CPU_AUTOPROBE - select HAVE_ARCH_AUDITSYSCALL - select ARCH_SUPPORTS_ATOMIC_RMW -@@ -266,7 +266,7 @@ config X86_HT - - config X86_32_LAZY_GS - def_bool y -- depends on X86_32 && !CC_STACKPROTECTOR -+ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF - - config ARCH_HWEIGHT_CFLAGS - string -@@ -638,6 +638,7 @@ config SCHED_OMIT_FRAME_POINTER - - menuconfig HYPERVISOR_GUEST - bool "Linux guest support" -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_GUEST || (GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_XEN) - ---help--- - Say Y here to enable options for running Linux under various hyper- - visors. This option enables basic hypervisor detection and platform -@@ -1005,6 +1006,7 @@ config VM86 - - config X86_16BIT - bool "Enable support for 16-bit segments" if EXPERT -+ depends on !GRKERNSEC - default y - ---help--- - This option is required by programs like Wine to run 16-bit -@@ -1178,6 +1180,7 @@ choice - - config NOHIGHMEM - bool "off" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Linux can use up to 64 Gigabytes of physical memory on x86 systems. - However, the address space of 32-bit x86 processors is only 4 -@@ -1214,6 +1217,7 @@ config NOHIGHMEM - - config HIGHMEM4G - bool "4GB" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. -@@ -1266,7 +1270,7 @@ config PAGE_OFFSET - hex - default 0xB0000000 if VMSPLIT_3G_OPT - default 0x80000000 if VMSPLIT_2G -- default 0x78000000 if VMSPLIT_2G_OPT -+ default 0x70000000 if VMSPLIT_2G_OPT - default 0x40000000 if VMSPLIT_1G - default 0xC0000000 - depends on X86_32 -@@ -1286,7 +1290,6 @@ config X86_PAE - - config ARCH_PHYS_ADDR_T_64BIT - def_bool y -- depends on X86_64 || X86_PAE - - config ARCH_DMA_ADDR_T_64BIT - def_bool y -@@ -1717,6 +1720,7 @@ source kernel/Kconfig.hz - - config KEXEC - bool "kexec system call" -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -@@ -1899,7 +1903,9 @@ config X86_NEED_RELOCS - - config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" -- default "0x200000" -+ default "0x1000000" -+ range 0x200000 0x1000000 if PAX_KERNEXEC && X86_PAE -+ range 0x400000 0x1000000 if PAX_KERNEXEC && !X86_PAE - range 0x2000 0x1000000 if X86_32 - range 0x200000 0x1000000 if X86_64 - ---help--- -@@ -1982,6 +1988,7 @@ config COMPAT_VDSO - def_bool n - prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)" - depends on X86_32 || IA32_EMULATION -+ depends on !PAX_PAGEEXEC && !PAX_SEGMEXEC && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - ---help--- - Certain buggy versions of glibc will crash if they are - presented with a 32-bit vDSO that is not mapped at the address -@@ -2046,6 +2053,22 @@ config CMDLINE_OVERRIDE - This is used to work around broken boot loaders. This should - be set to 'N' under normal conditions. - -+config DEFAULT_MODIFY_LDT_SYSCALL -+ bool "Allow userspace to modify the LDT by default" -+ default y -+ -+ ---help--- -+ Modifying the LDT (Local Descriptor Table) may be needed to run a -+ 16-bit or segmented code such as Dosemu or Wine. This is done via -+ a system call which is not needed to run portable applications, -+ and which can sometimes be abused to exploit some weaknesses of -+ the architecture, opening new vulnerabilities. -+ -+ For this reason this option allows one to enable or disable the -+ feature at runtime. It is recommended to say 'N' here to leave -+ the system protected, and to enable it at runtime only if needed -+ by setting the sys.kernel.modify_ldt sysctl. -+ - source "kernel/livepatch/Kconfig" - - endmenu -diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu -index 6983314..54ad7e8 100644 ---- a/arch/x86/Kconfig.cpu -+++ b/arch/x86/Kconfig.cpu -@@ -319,7 +319,7 @@ config X86_PPRO_FENCE - - config X86_F00F_BUG - def_bool y -- depends on M586MMX || M586TSC || M586 || M486 -+ depends on (M586MMX || M586TSC || M586 || M486) && !PAX_KERNEXEC - - config X86_INVD_BUG - def_bool y -@@ -327,7 +327,7 @@ config X86_INVD_BUG - - config X86_ALIGNMENT_16 - def_bool y -- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 -+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 - - config X86_INTEL_USERCOPY - def_bool y -@@ -369,7 +369,7 @@ config X86_CMPXCHG64 - # generates cmov. - config X86_CMOV - def_bool y -- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) -+ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) - - config X86_MINIMUM_CPU_FAMILY - int -diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug -index 72484a6..83a4411 100644 ---- a/arch/x86/Kconfig.debug -+++ b/arch/x86/Kconfig.debug -@@ -89,7 +89,7 @@ config EFI_PGT_DUMP - config DEBUG_RODATA - bool "Write protect kernel read-only data structures" - default y -- depends on DEBUG_KERNEL -+ depends on DEBUG_KERNEL && BROKEN - ---help--- - Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const -@@ -107,7 +107,7 @@ config DEBUG_RODATA_TEST - - config DEBUG_SET_MODULE_RONX - bool "Set loadable kernel module data as NX and text as RO" -- depends on MODULES -+ depends on MODULES && BROKEN - ---help--- - This option helps catch unintended modifications to loadable - kernel module's text and read-only data. It also prevents execution -diff --git a/arch/x86/Makefile b/arch/x86/Makefile -index 2fda005..2c72d40 100644 ---- a/arch/x86/Makefile -+++ b/arch/x86/Makefile -@@ -65,9 +65,6 @@ ifeq ($(CONFIG_X86_32),y) - # CPU-specific tuning. Anything which can be shared with UML should go here. - include arch/x86/Makefile_32.cpu - KBUILD_CFLAGS += $(cflags-y) -- -- # temporary until string.h is fixed -- KBUILD_CFLAGS += -ffreestanding - else - BITS := 64 - UTS_MACHINE := x86_64 -@@ -107,6 +104,9 @@ else - KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args) - endif - -+# temporary until string.h is fixed -+KBUILD_CFLAGS += -ffreestanding -+ - # Make sure compiler does not have buggy stack-protector support. - ifdef CONFIG_CC_STACKPROTECTOR - cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh -@@ -181,6 +181,7 @@ archheaders: - $(Q)$(MAKE) $(build)=arch/x86/syscalls all - - archprepare: -+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD))) - ifeq ($(CONFIG_KEXEC_FILE),y) - $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c - endif -@@ -264,3 +265,9 @@ define archhelp - echo ' FDARGS="..." arguments for the booted kernel' - echo ' FDINITRD=file initrd for the booted kernel' - endef -+ -+define OLD_LD -+ -+*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils. -+*** Please upgrade your binutils to 2.18 or newer -+endef -diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile -index 57bbf2f..b100fce 100644 ---- a/arch/x86/boot/Makefile -+++ b/arch/x86/boot/Makefile -@@ -58,6 +58,9 @@ clean-files += cpustr.h - # --------------------------------------------------------------------------- - - KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n - -diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h -index 878e4b9..20537ab 100644 ---- a/arch/x86/boot/bitops.h -+++ b/arch/x86/boot/bitops.h -@@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr) - u8 v; - const u32 *p = (const u32 *)addr; - -- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); -+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; - } - -@@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr) - - static inline void set_bit(int nr, void *addr) - { -- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); - } - - #endif /* BOOT_BITOPS_H */ -diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h -index bd49ec6..94c7f58 100644 ---- a/arch/x86/boot/boot.h -+++ b/arch/x86/boot/boot.h -@@ -84,7 +84,7 @@ static inline void io_delay(void) - static inline u16 ds(void) - { - u16 seg; -- asm("movw %%ds,%0" : "=rm" (seg)); -+ asm volatile("movw %%ds,%0" : "=rm" (seg)); - return seg; - } - -diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile -index 0a291cd..9686efc 100644 ---- a/arch/x86/boot/compressed/Makefile -+++ b/arch/x86/boot/compressed/Makefile -@@ -30,6 +30,9 @@ KBUILD_CFLAGS += $(cflags-y) - KBUILD_CFLAGS += -mno-mmx -mno-sse - KBUILD_CFLAGS += $(call cc-option,-ffreestanding) - KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n -diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S -index a53440e..c3dbf1e 100644 ---- a/arch/x86/boot/compressed/efi_stub_32.S -+++ b/arch/x86/boot/compressed/efi_stub_32.S -@@ -46,16 +46,13 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %ecx -- movl %ecx, saved_return_addr(%edx) -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr(%edx) -+ popl saved_return_addr(%edx) -+ popl efi_rt_function_ptr(%edx) - - /* - * 3. Call the physical function. - */ -- call *%ecx -+ call *efi_rt_function_ptr(%edx) - - /* - * 4. Balance the stack. And because EAX contain the return value, -@@ -67,15 +64,12 @@ ENTRY(efi_call_phys) - 1: popl %edx - subl $1b, %edx - -- movl efi_rt_function_ptr(%edx), %ecx -- pushl %ecx -+ pushl efi_rt_function_ptr(%edx) - - /* - * 10. Push the saved return address onto the stack and return. - */ -- movl saved_return_addr(%edx), %ecx -- pushl %ecx -- ret -+ jmpl *saved_return_addr(%edx) - ENDPROC(efi_call_phys) - .previous - -diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S -index 630384a..278e788 100644 ---- a/arch/x86/boot/compressed/efi_thunk_64.S -+++ b/arch/x86/boot/compressed/efi_thunk_64.S -@@ -189,8 +189,8 @@ efi_gdt64: - .long 0 /* Filled out by user */ - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - efi_gdt64_end: -diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S -index 8ef964d..fcfb8aa 100644 ---- a/arch/x86/boot/compressed/head_32.S -+++ b/arch/x86/boot/compressed/head_32.S -@@ -141,10 +141,10 @@ preferred_addr: - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S -index b0c0d16..3b44ff8 100644 ---- a/arch/x86/boot/compressed/head_64.S -+++ b/arch/x86/boot/compressed/head_64.S -@@ -95,10 +95,10 @@ ENTRY(startup_32) - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -@@ -323,10 +323,10 @@ preferred_addr: - addq %rax, %rbp - notq %rax - andq %rax, %rbp -- cmpq $LOAD_PHYSICAL_ADDR, %rbp -+ cmpq $____LOAD_PHYSICAL_ADDR, %rbp - jge 1f - #endif -- movq $LOAD_PHYSICAL_ADDR, %rbp -+ movq $____LOAD_PHYSICAL_ADDR, %rbp - 1: - - /* Target address to relocate to for decompression */ -@@ -435,8 +435,8 @@ gdt: - .long gdt - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - gdt_end: -diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c -index a107b93..55602de 100644 ---- a/arch/x86/boot/compressed/misc.c -+++ b/arch/x86/boot/compressed/misc.c -@@ -242,7 +242,7 @@ static void handle_relocations(void *output, unsigned long output_len) - * Calculate the delta between where vmlinux was linked to load - * and where it was actually loaded. - */ -- delta = min_addr - LOAD_PHYSICAL_ADDR; -+ delta = min_addr - ____LOAD_PHYSICAL_ADDR; - if (!delta) { - debug_putstr("No relocation needed... "); - return; -@@ -324,7 +324,7 @@ static void parse_elf(void *output) - Elf32_Ehdr ehdr; - Elf32_Phdr *phdrs, *phdr; - #endif -- void *dest; -+ void *dest, *prev; - int i; - - memcpy(&ehdr, output, sizeof(ehdr)); -@@ -351,13 +351,16 @@ static void parse_elf(void *output) - case PT_LOAD: - #ifdef CONFIG_RELOCATABLE - dest = output; -- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR); -+ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR); - #else - dest = (void *)(phdr->p_paddr); - #endif - memcpy(dest, - output + phdr->p_offset, - phdr->p_filesz); -+ if (i) -+ memset(prev, 0xff, dest - prev); -+ prev = dest + phdr->p_filesz; - break; - default: /* Ignore other PT_* */ break; - } -@@ -419,7 +422,7 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, - error("Destination address too large"); - #endif - #ifndef CONFIG_RELOCATABLE -- if ((unsigned long)output != LOAD_PHYSICAL_ADDR) -+ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR) - error("Wrong destination address"); - #endif - -diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c -index 1fd7d57..0f7d096 100644 ---- a/arch/x86/boot/cpucheck.c -+++ b/arch/x86/boot/cpucheck.c -@@ -125,9 +125,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_K7_HWCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax &= ~(1 << 15); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - get_cpuflags(); /* Make sure it really did something */ - err = check_cpuflags(); -@@ -140,9 +140,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_VIA_FCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax |= (1<<1)|(1<<7); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - set_bit(X86_FEATURE_CX8, cpu.flags); - err = check_cpuflags(); -@@ -153,12 +153,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 eax, edx; - u32 level = 1; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -- asm("cpuid" -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -+ asm volatile("cpuid" - : "+a" (level), "=d" (cpu.flags[0]) - : : "ecx", "ebx"); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - err = check_cpuflags(); - } else if (err == 0x01 && -diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S -index 16ef025..91e033b 100644 ---- a/arch/x86/boot/header.S -+++ b/arch/x86/boot/header.S -@@ -438,10 +438,14 @@ setup_data: .quad 0 # 64-bit physical pointer to - # single linked list of - # struct setup_data - --pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr -+pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr - - #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR) -+#else - #define VO_INIT_SIZE (VO__end - VO__text) -+#endif - #if ZO_INIT_SIZE > VO_INIT_SIZE - #define INIT_SIZE ZO_INIT_SIZE - #else -diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c -index db75d07..8e6d0af 100644 ---- a/arch/x86/boot/memory.c -+++ b/arch/x86/boot/memory.c -@@ -19,7 +19,7 @@ - - static int detect_memory_e820(void) - { -- int count = 0; -+ unsigned int count = 0; - struct biosregs ireg, oreg; - struct e820entry *desc = boot_params.e820_map; - static struct e820entry buf; /* static so it is zeroed */ -diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c -index ba3e100..6501b8f 100644 ---- a/arch/x86/boot/video-vesa.c -+++ b/arch/x86/boot/video-vesa.c -@@ -201,6 +201,7 @@ static void vesa_store_pm_info(void) - - boot_params.screen_info.vesapm_seg = oreg.es; - boot_params.screen_info.vesapm_off = oreg.di; -+ boot_params.screen_info.vesapm_size = oreg.cx; - } - - /* -diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c -index 05111bb..a1ae1f0 100644 ---- a/arch/x86/boot/video.c -+++ b/arch/x86/boot/video.c -@@ -98,7 +98,7 @@ static void store_mode_params(void) - static unsigned int get_entry(void) - { - char entry_buf[4]; -- int i, len = 0; -+ unsigned int i, len = 0; - int key; - unsigned int v; - -diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S -index 9105655..41779c1 100644 ---- a/arch/x86/crypto/aes-x86_64-asm_64.S -+++ b/arch/x86/crypto/aes-x86_64-asm_64.S -@@ -8,6 +8,8 @@ - * including this sentence is retained in full. - */ - -+#include <asm/alternative-asm.h> -+ - .extern crypto_ft_tab - .extern crypto_it_tab - .extern crypto_fl_tab -@@ -70,6 +72,8 @@ - je B192; \ - leaq 32(r9),r9; - -+#define ret pax_force_retaddr; ret -+ - #define epilogue(FUNC,r1,r2,r3,r4,r5,r6,r7,r8,r9) \ - movq r1,r2; \ - movq r3,r4; \ -diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S -index 6bd2c6c..368c93e 100644 ---- a/arch/x86/crypto/aesni-intel_asm.S -+++ b/arch/x86/crypto/aesni-intel_asm.S -@@ -31,6 +31,7 @@ - - #include <linux/linkage.h> - #include <asm/inst.h> -+#include <asm/alternative-asm.h> - - /* - * The following macros are used to move an (un)aligned 16 byte value to/from -@@ -217,7 +218,7 @@ enc: .octa 0x2 - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -227,8 +228,8 @@ enc: .octa 0x2 - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - - _get_AAD_loop\num_initial_blocks\operation: -@@ -237,17 +238,17 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation - -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - - _get_AAD_loop2_done\num_initial_blocks\operation: -@@ -442,7 +443,7 @@ _initial_blocks_done\num_initial_blocks\operation: - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -452,8 +453,8 @@ _initial_blocks_done\num_initial_blocks\operation: - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - _get_AAD_loop\num_initial_blocks\operation: - movd (%r10), \TMP1 -@@ -461,15 +462,15 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - _get_AAD_loop2_done\num_initial_blocks\operation: - PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data -@@ -1280,7 +1281,7 @@ _esb_loop_\@: - * - *****************************************************************************/ - ENTRY(aesni_gcm_dec) -- push %r12 -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1290,8 +1291,8 @@ ENTRY(aesni_gcm_dec) - */ - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp # align rsp to 64 bytes -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 # %xmm13 = HashKey -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 # %xmm13 = HashKey - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1319,10 +1320,10 @@ ENTRY(aesni_gcm_dec) - movdqa %xmm13, HashKey(%rsp) # store HashKey<<1 (mod poly) - mov %arg4, %r13 # save the number of bytes of plaintext/ciphertext - and $-16, %r13 # %r13 = %r13 - (%r13 mod 16) -- mov %r13, %r12 -- and $(3<<4), %r12 -+ mov %r13, %r15 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_decrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_decrypt - je _initial_num_blocks_is_2_decrypt - _initial_num_blocks_is_3_decrypt: -@@ -1372,16 +1373,16 @@ _zero_cipher_left_decrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte block -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-%r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # right shift 16-%r13 butes - - movdqa %xmm1, %xmm2 - pxor %xmm1, %xmm0 # Ciphertext XOR E(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm0 # mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm2 -@@ -1410,9 +1411,9 @@ _less_than_8_bytes_left_decrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_decrypt - _multiple_of_16_bytes_decrypt: -- mov arg8, %r12 # %r13 = aadLen (number of bytes) -- shl $3, %r12 # convert into number of bits -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r13 = aadLen (number of bytes) -+ shl $3, %r15 # convert into number of bits -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1451,7 +1452,8 @@ _return_T_done_decrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -+ pop %r15 -+ pax_force_retaddr - ret - ENDPROC(aesni_gcm_dec) - -@@ -1540,7 +1542,7 @@ ENDPROC(aesni_gcm_dec) - * poly = x^128 + x^127 + x^126 + x^121 + 1 - ***************************************************************************/ - ENTRY(aesni_gcm_enc) -- push %r12 -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1550,8 +1552,8 @@ ENTRY(aesni_gcm_enc) - # - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1575,13 +1577,13 @@ ENTRY(aesni_gcm_enc) - movdqa %xmm13, HashKey(%rsp) - mov %arg4, %r13 # %xmm13 holds HashKey<<1 (mod poly) - and $-16, %r13 -- mov %r13, %r12 -+ mov %r13, %r15 - - # Encrypt first few blocks - -- and $(3<<4), %r12 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_encrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_encrypt - je _initial_num_blocks_is_2_encrypt - _initial_num_blocks_is_3_encrypt: -@@ -1634,14 +1636,14 @@ _zero_cipher_left_encrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte blocks -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # shift right 16-r13 byte - pxor %xmm1, %xmm0 # Plaintext XOR Encrypt(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-r13 bytes of xmm0 - pand %xmm1, %xmm0 # mask out top 16-r13 bytes of xmm0 - movdqa SHUF_MASK(%rip), %xmm10 -@@ -1674,9 +1676,9 @@ _less_than_8_bytes_left_encrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_encrypt - _multiple_of_16_bytes_encrypt: -- mov arg8, %r12 # %r12 = addLen (number of bytes) -- shl $3, %r12 -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r15 = addLen (number of bytes) -+ shl $3, %r15 -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1715,7 +1717,8 @@ _return_T_done_encrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -+ pop %r15 -+ pax_force_retaddr - ret - ENDPROC(aesni_gcm_enc) - -@@ -1733,6 +1736,7 @@ _key_expansion_256a: - pxor %xmm1, %xmm0 - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_128) - ENDPROC(_key_expansion_256a) -@@ -1759,6 +1763,7 @@ _key_expansion_192a: - shufps $0b01001110, %xmm2, %xmm1 - movaps %xmm1, 0x10(TKEYP) - add $0x20, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_192a) - -@@ -1779,6 +1784,7 @@ _key_expansion_192b: - - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_192b) - -@@ -1792,6 +1798,7 @@ _key_expansion_256b: - pxor %xmm1, %xmm2 - movaps %xmm2, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_256b) - -@@ -1905,6 +1912,7 @@ ENTRY(aesni_set_key) - #ifndef __x86_64__ - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_set_key) - -@@ -1927,6 +1935,7 @@ ENTRY(aesni_enc) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_enc) - -@@ -1985,6 +1994,7 @@ _aesni_enc1: - AESENC KEY STATE - movaps 0x70(TKEYP), KEY - AESENCLAST KEY STATE -+ pax_force_retaddr - ret - ENDPROC(_aesni_enc1) - -@@ -2094,6 +2104,7 @@ _aesni_enc4: - AESENCLAST KEY STATE2 - AESENCLAST KEY STATE3 - AESENCLAST KEY STATE4 -+ pax_force_retaddr - ret - ENDPROC(_aesni_enc4) - -@@ -2117,6 +2128,7 @@ ENTRY(aesni_dec) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_dec) - -@@ -2175,6 +2187,7 @@ _aesni_dec1: - AESDEC KEY STATE - movaps 0x70(TKEYP), KEY - AESDECLAST KEY STATE -+ pax_force_retaddr - ret - ENDPROC(_aesni_dec1) - -@@ -2284,6 +2297,7 @@ _aesni_dec4: - AESDECLAST KEY STATE2 - AESDECLAST KEY STATE3 - AESDECLAST KEY STATE4 -+ pax_force_retaddr - ret - ENDPROC(_aesni_dec4) - -@@ -2342,6 +2356,7 @@ ENTRY(aesni_ecb_enc) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_ecb_enc) - -@@ -2401,6 +2416,7 @@ ENTRY(aesni_ecb_dec) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_ecb_dec) - -@@ -2443,6 +2459,7 @@ ENTRY(aesni_cbc_enc) - popl LEN - popl IVP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_cbc_enc) - -@@ -2534,6 +2551,7 @@ ENTRY(aesni_cbc_dec) - popl LEN - popl IVP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_cbc_dec) - -@@ -2561,6 +2579,7 @@ _aesni_inc_init: - mov $1, TCTR_LOW - MOVQ_R64_XMM TCTR_LOW INC - MOVQ_R64_XMM CTR TCTR_LOW -+ pax_force_retaddr - ret - ENDPROC(_aesni_inc_init) - -@@ -2590,6 +2609,7 @@ _aesni_inc: - .Linc_low: - movaps CTR, IV - PSHUFB_XMM BSWAP_MASK IV -+ pax_force_retaddr - ret - ENDPROC(_aesni_inc) - -@@ -2651,6 +2671,7 @@ ENTRY(aesni_ctr_enc) - .Lctr_enc_ret: - movups IV, (IVP) - .Lctr_enc_just_ret: -+ pax_force_retaddr - ret - ENDPROC(aesni_ctr_enc) - -@@ -2777,6 +2798,7 @@ ENTRY(aesni_xts_crypt8) - pxor INC, STATE4 - movdqu STATE4, 0x70(OUTP) - -+ pax_force_retaddr - ret - ENDPROC(aesni_xts_crypt8) - -diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S -index 246c670..466e2d6 100644 ---- a/arch/x86/crypto/blowfish-x86_64-asm_64.S -+++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "blowfish-x86_64-asm.S" - .text -@@ -149,9 +150,11 @@ ENTRY(__blowfish_enc_blk) - jnz .L__enc_xor; - - write_block(); -+ pax_force_retaddr - ret; - .L__enc_xor: - xor_block(); -+ pax_force_retaddr - ret; - ENDPROC(__blowfish_enc_blk) - -@@ -183,6 +186,7 @@ ENTRY(blowfish_dec_blk) - - movq %r11, %rbp; - -+ pax_force_retaddr - ret; - ENDPROC(blowfish_dec_blk) - -@@ -334,6 +338,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr - ret; - - .L__enc_xor4: -@@ -341,6 +346,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr - ret; - ENDPROC(__blowfish_enc_blk_4way) - -@@ -375,5 +381,6 @@ ENTRY(blowfish_dec_blk_4way) - popq %rbx; - popq %rbp; - -+ pax_force_retaddr - ret; - ENDPROC(blowfish_dec_blk_4way) -diff --git a/arch/x86/crypto/camellia-aesni-avx-asm_64.S b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -index ce71f92..1dce7ec 100644 ---- a/arch/x86/crypto/camellia-aesni-avx-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -@@ -16,6 +16,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -191,6 +192,7 @@ roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, - %rcx, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - -@@ -199,6 +201,7 @@ roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3, - %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11, - %rax, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - -@@ -780,6 +783,7 @@ __camellia_enc_blk16: - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, - %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -865,6 +869,7 @@ __camellia_dec_blk16: - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, - %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -904,6 +909,7 @@ ENTRY(camellia_ecb_enc_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_enc_16way) - -@@ -932,6 +938,7 @@ ENTRY(camellia_ecb_dec_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_dec_16way) - -@@ -981,6 +988,7 @@ ENTRY(camellia_cbc_dec_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_cbc_dec_16way) - -@@ -1092,6 +1100,7 @@ ENTRY(camellia_ctr_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ctr_16way) - -@@ -1234,6 +1243,7 @@ camellia_xts_crypt_16way: - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_xts_crypt_16way) - -diff --git a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -index 0e0b886..5a3123c 100644 ---- a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -@@ -11,6 +11,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -230,6 +231,7 @@ roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7, - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, %ymm15, - %rcx, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - -@@ -238,6 +240,7 @@ roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm32(%ymm4, %ymm5, %ymm6, %ymm7, %ymm0, %ymm1, %ymm2, %ymm3, - %ymm12, %ymm13, %ymm14, %ymm15, %ymm8, %ymm9, %ymm10, %ymm11, - %rax, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - -@@ -820,6 +823,7 @@ __camellia_enc_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -905,6 +909,7 @@ __camellia_dec_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -948,6 +953,7 @@ ENTRY(camellia_ecb_enc_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_enc_32way) - -@@ -980,6 +986,7 @@ ENTRY(camellia_ecb_dec_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_dec_32way) - -@@ -1046,6 +1053,7 @@ ENTRY(camellia_cbc_dec_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_cbc_dec_32way) - -@@ -1184,6 +1192,7 @@ ENTRY(camellia_ctr_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ctr_32way) - -@@ -1349,6 +1358,7 @@ camellia_xts_crypt_32way: - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_xts_crypt_32way) - -diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S -index 310319c..db3d7b5 100644 ---- a/arch/x86/crypto/camellia-x86_64-asm_64.S -+++ b/arch/x86/crypto/camellia-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "camellia-x86_64-asm_64.S" - .text -@@ -228,12 +229,14 @@ ENTRY(__camellia_enc_blk) - enc_outunpack(mov, RT1); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - - .L__enc_xor: - enc_outunpack(xor, RT1); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - ENDPROC(__camellia_enc_blk) - -@@ -272,6 +275,7 @@ ENTRY(camellia_dec_blk) - dec_outunpack(); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - ENDPROC(camellia_dec_blk) - -@@ -463,6 +467,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr - ret; - - .L__enc2_xor: -@@ -470,6 +475,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr - ret; - ENDPROC(__camellia_enc_blk_2way) - -@@ -510,5 +516,6 @@ ENTRY(camellia_dec_blk_2way) - - movq RRBP, %rbp; - movq RXOR, %rbx; -+ pax_force_retaddr - ret; - ENDPROC(camellia_dec_blk_2way) -diff --git a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -index c35fd5d..2d8c7db 100644 ---- a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "cast5-avx-x86_64-asm_64.S" - -@@ -281,6 +282,7 @@ __cast5_enc_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast5_enc_blk16) - -@@ -352,6 +354,7 @@ __cast5_dec_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -+ pax_force_retaddr - ret; - - .L__skip_dec: -@@ -388,6 +391,7 @@ ENTRY(cast5_ecb_enc_16way) - vmovdqu RR4, (6*4*4)(%r11); - vmovdqu RL4, (7*4*4)(%r11); - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ecb_enc_16way) - -@@ -420,6 +424,7 @@ ENTRY(cast5_ecb_dec_16way) - vmovdqu RR4, (6*4*4)(%r11); - vmovdqu RL4, (7*4*4)(%r11); - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ecb_dec_16way) - -@@ -430,10 +435,10 @@ ENTRY(cast5_cbc_dec_16way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vmovdqu (0*16)(%rdx), RL1; - vmovdqu (1*16)(%rdx), RR1; -@@ -447,16 +452,16 @@ ENTRY(cast5_cbc_dec_16way) - call __cast5_dec_blk16; - - /* xor with src */ -- vmovq (%r12), RX; -+ vmovq (%r14), RX; - vpshufd $0x4f, RX, RX; - vpxor RX, RR1, RR1; -- vpxor 0*16+8(%r12), RL1, RL1; -- vpxor 1*16+8(%r12), RR2, RR2; -- vpxor 2*16+8(%r12), RL2, RL2; -- vpxor 3*16+8(%r12), RR3, RR3; -- vpxor 4*16+8(%r12), RL3, RL3; -- vpxor 5*16+8(%r12), RR4, RR4; -- vpxor 6*16+8(%r12), RL4, RL4; -+ vpxor 0*16+8(%r14), RL1, RL1; -+ vpxor 1*16+8(%r14), RR2, RR2; -+ vpxor 2*16+8(%r14), RL2, RL2; -+ vpxor 3*16+8(%r14), RR3, RR3; -+ vpxor 4*16+8(%r14), RL3, RL3; -+ vpxor 5*16+8(%r14), RR4, RR4; -+ vpxor 6*16+8(%r14), RL4, RL4; - - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); -@@ -467,8 +472,9 @@ ENTRY(cast5_cbc_dec_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast5_cbc_dec_16way) - -@@ -480,10 +486,10 @@ ENTRY(cast5_ctr_16way) - * %rcx: iv (big endian, 64bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vpcmpeqd RTMP, RTMP, RTMP; - vpsrldq $8, RTMP, RTMP; /* low: -1, high: 0 */ -@@ -523,14 +529,14 @@ ENTRY(cast5_ctr_16way) - call __cast5_enc_blk16; - - /* dst = src ^ iv */ -- vpxor (0*16)(%r12), RR1, RR1; -- vpxor (1*16)(%r12), RL1, RL1; -- vpxor (2*16)(%r12), RR2, RR2; -- vpxor (3*16)(%r12), RL2, RL2; -- vpxor (4*16)(%r12), RR3, RR3; -- vpxor (5*16)(%r12), RL3, RL3; -- vpxor (6*16)(%r12), RR4, RR4; -- vpxor (7*16)(%r12), RL4, RL4; -+ vpxor (0*16)(%r14), RR1, RR1; -+ vpxor (1*16)(%r14), RL1, RL1; -+ vpxor (2*16)(%r14), RR2, RR2; -+ vpxor (3*16)(%r14), RL2, RL2; -+ vpxor (4*16)(%r14), RR3, RR3; -+ vpxor (5*16)(%r14), RL3, RL3; -+ vpxor (6*16)(%r14), RR4, RR4; -+ vpxor (7*16)(%r14), RL4, RL4; - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); - vmovdqu RR2, (2*16)(%r11); -@@ -540,7 +546,8 @@ ENTRY(cast5_ctr_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ctr_16way) -diff --git a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -index e3531f8..e123f35 100644 ---- a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "cast6-avx-x86_64-asm_64.S" -@@ -295,6 +296,7 @@ __cast6_enc_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast6_enc_blk8) - -@@ -340,6 +342,7 @@ __cast6_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast6_dec_blk8) - -@@ -358,6 +361,7 @@ ENTRY(cast6_ecb_enc_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ecb_enc_8way) - -@@ -376,6 +380,7 @@ ENTRY(cast6_ecb_dec_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ecb_dec_8way) - -@@ -386,19 +391,20 @@ ENTRY(cast6_cbc_dec_8way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - call __cast6_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast6_cbc_dec_8way) - -@@ -410,20 +416,21 @@ ENTRY(cast6_ctr_8way) - * %rcx: iv (little endian, 128bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX, RKR, RKM); - - call __cast6_enc_blk8; - -- store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_ctr_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ctr_8way) - -@@ -446,6 +453,7 @@ ENTRY(cast6_xts_enc_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_xts_enc_8way) - -@@ -468,5 +476,6 @@ ENTRY(cast6_xts_dec_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_xts_dec_8way) -diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -index 225be06..2885e731 100644 ---- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -@@ -45,6 +45,7 @@ - - #include <asm/inst.h> - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction - -@@ -309,6 +310,7 @@ do_return: - popq %rsi - popq %rdi - popq %rbx -+ pax_force_retaddr - ret - - ################################################################ -@@ -330,7 +332,7 @@ ENDPROC(crc_pcl) - ## PCLMULQDQ tables - ## Table is 128 entries x 2 words (8 bytes) each - ################################################################ --.section .rotata, "a", %progbits -+.section .rodata, "a", %progbits - .align 8 - K_table: - .long 0x493c7d27, 0x00000001 -diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S -index 5d1e007..098cb4f 100644 ---- a/arch/x86/crypto/ghash-clmulni-intel_asm.S -+++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S -@@ -18,6 +18,7 @@ - - #include <linux/linkage.h> - #include <asm/inst.h> -+#include <asm/alternative-asm.h> - - .data - -@@ -89,6 +90,7 @@ __clmul_gf128mul_ble: - psrlq $1, T2 - pxor T2, T1 - pxor T1, DATA -+ pax_force_retaddr - ret - ENDPROC(__clmul_gf128mul_ble) - -@@ -101,6 +103,7 @@ ENTRY(clmul_ghash_mul) - call __clmul_gf128mul_ble - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_mul) - -@@ -128,5 +131,6 @@ ENTRY(clmul_ghash_update) - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) - .Lupdate_just_ret: -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_update) -diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S -index 9279e0b..c4b3d2c 100644 ---- a/arch/x86/crypto/salsa20-x86_64-asm_64.S -+++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S -@@ -1,4 +1,5 @@ - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - # enter salsa20_encrypt_bytes - ENTRY(salsa20_encrypt_bytes) -@@ -789,6 +790,7 @@ ENTRY(salsa20_encrypt_bytes) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - # bytesatleast65: - ._bytesatleast65: -@@ -889,6 +891,7 @@ ENTRY(salsa20_keysetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - ENDPROC(salsa20_keysetup) - -@@ -914,5 +917,6 @@ ENTRY(salsa20_ivsetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - ENDPROC(salsa20_ivsetup) -diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -index 2f202f4..d9164d6 100644 ---- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "serpent-avx-x86_64-asm_64.S" -@@ -618,6 +619,7 @@ __serpent_enc_blk8_avx: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk8_avx) - -@@ -672,6 +674,7 @@ __serpent_dec_blk8_avx: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_dec_blk8_avx) - -@@ -688,6 +691,7 @@ ENTRY(serpent_ecb_enc_8way_avx) - - store_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_enc_8way_avx) - -@@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_8way_avx) - - store_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_dec_8way_avx) - -@@ -720,6 +725,7 @@ ENTRY(serpent_cbc_dec_8way_avx) - - store_cbc_8way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_cbc_dec_8way_avx) - -@@ -738,6 +744,7 @@ ENTRY(serpent_ctr_8way_avx) - - store_ctr_8way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ctr_8way_avx) - -@@ -758,6 +765,7 @@ ENTRY(serpent_xts_enc_8way_avx) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_enc_8way_avx) - -@@ -778,5 +786,6 @@ ENTRY(serpent_xts_dec_8way_avx) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_dec_8way_avx) -diff --git a/arch/x86/crypto/serpent-avx2-asm_64.S b/arch/x86/crypto/serpent-avx2-asm_64.S -index b222085..abd483c 100644 ---- a/arch/x86/crypto/serpent-avx2-asm_64.S -+++ b/arch/x86/crypto/serpent-avx2-asm_64.S -@@ -15,6 +15,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx2.S" - - .file "serpent-avx2-asm_64.S" -@@ -610,6 +611,7 @@ __serpent_enc_blk16: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk16) - -@@ -664,6 +666,7 @@ __serpent_dec_blk16: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_dec_blk16) - -@@ -684,6 +687,7 @@ ENTRY(serpent_ecb_enc_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_enc_16way) - -@@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_dec_16way) - -@@ -725,6 +730,7 @@ ENTRY(serpent_cbc_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_cbc_dec_16way) - -@@ -748,6 +754,7 @@ ENTRY(serpent_ctr_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ctr_16way) - -@@ -772,6 +779,7 @@ ENTRY(serpent_xts_enc_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_enc_16way) - -@@ -796,5 +804,6 @@ ENTRY(serpent_xts_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_dec_16way) -diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -index acc066c..1559cc4 100644 ---- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "serpent-sse2-x86_64-asm_64.S" - .text -@@ -690,12 +691,14 @@ ENTRY(__serpent_enc_blk_8way) - write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - - .L__enc_xor8: - xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk_8way) - -@@ -750,5 +753,6 @@ ENTRY(serpent_dec_blk_8way) - write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_dec_blk_8way) -diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S -index a410950..9dfe7ad 100644 ---- a/arch/x86/crypto/sha1_ssse3_asm.S -+++ b/arch/x86/crypto/sha1_ssse3_asm.S -@@ -29,6 +29,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CTX %rdi // arg1 - #define BUF %rsi // arg2 -@@ -75,9 +76,9 @@ - - push %rbx - push %rbp -- push %r12 -+ push %r14 - -- mov %rsp, %r12 -+ mov %rsp, %r14 - sub $64, %rsp # allocate workspace - and $~15, %rsp # align stack - -@@ -99,11 +100,12 @@ - xor %rax, %rax - rep stosq - -- mov %r12, %rsp # deallocate workspace -+ mov %r14, %rsp # deallocate workspace - -- pop %r12 -+ pop %r14 - pop %rbp - pop %rbx -+ pax_force_retaddr - ret - - ENDPROC(\name) -diff --git a/arch/x86/crypto/sha256-avx-asm.S b/arch/x86/crypto/sha256-avx-asm.S -index 92b3b5d..0dc1dcb 100644 ---- a/arch/x86/crypto/sha256-avx-asm.S -+++ b/arch/x86/crypto/sha256-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -460,6 +461,7 @@ done_hash: - popq %r13 - popq %rbp - popq %rbx -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_avx) - -diff --git a/arch/x86/crypto/sha256-avx2-asm.S b/arch/x86/crypto/sha256-avx2-asm.S -index 570ec5e..cf2b625 100644 ---- a/arch/x86/crypto/sha256-avx2-asm.S -+++ b/arch/x86/crypto/sha256-avx2-asm.S -@@ -50,6 +50,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -720,6 +721,7 @@ done_hash: - popq %r12 - popq %rbp - popq %rbx -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_rorx) - -diff --git a/arch/x86/crypto/sha256-ssse3-asm.S b/arch/x86/crypto/sha256-ssse3-asm.S -index 2cedc44..5144899 100644 ---- a/arch/x86/crypto/sha256-ssse3-asm.S -+++ b/arch/x86/crypto/sha256-ssse3-asm.S -@@ -47,6 +47,7 @@ - ######################################################################## - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define MOVDQ movdqu -@@ -471,6 +472,7 @@ done_hash: - popq %rbp - popq %rbx - -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_ssse3) - -diff --git a/arch/x86/crypto/sha512-avx-asm.S b/arch/x86/crypto/sha512-avx-asm.S -index 565274d..af6bc08 100644 ---- a/arch/x86/crypto/sha512-avx-asm.S -+++ b/arch/x86/crypto/sha512-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -364,6 +365,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_avx) - -diff --git a/arch/x86/crypto/sha512-avx2-asm.S b/arch/x86/crypto/sha512-avx2-asm.S -index 1f20b35..f25c8c1 100644 ---- a/arch/x86/crypto/sha512-avx2-asm.S -+++ b/arch/x86/crypto/sha512-avx2-asm.S -@@ -51,6 +51,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -678,6 +679,7 @@ done_hash: - - # Restore Stack Pointer - mov frame_RSPSAVE(%rsp), %rsp -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_rorx) - -diff --git a/arch/x86/crypto/sha512-ssse3-asm.S b/arch/x86/crypto/sha512-ssse3-asm.S -index e610e29..ffcb5ed 100644 ---- a/arch/x86/crypto/sha512-ssse3-asm.S -+++ b/arch/x86/crypto/sha512-ssse3-asm.S -@@ -48,6 +48,7 @@ - ######################################################################## - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -363,6 +364,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_ssse3) - -diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -index 0505813..b067311 100644 ---- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "twofish-avx-x86_64-asm_64.S" -@@ -284,6 +285,7 @@ __twofish_enc_blk8: - outunpack_blocks(RC1, RD1, RA1, RB1, RK1, RX0, RY0, RK2); - outunpack_blocks(RC2, RD2, RA2, RB2, RK1, RX0, RY0, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__twofish_enc_blk8) - -@@ -324,6 +326,7 @@ __twofish_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RK1, RX0, RY0, RK2); - outunpack_blocks(RA2, RB2, RC2, RD2, RK1, RX0, RY0, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__twofish_dec_blk8) - -@@ -342,6 +345,7 @@ ENTRY(twofish_ecb_enc_8way) - - store_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ecb_enc_8way) - -@@ -360,6 +364,7 @@ ENTRY(twofish_ecb_dec_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ecb_dec_8way) - -@@ -370,19 +375,20 @@ ENTRY(twofish_cbc_dec_8way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - - call __twofish_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(twofish_cbc_dec_8way) - -@@ -394,20 +400,21 @@ ENTRY(twofish_ctr_8way) - * %rcx: iv (little endian, 128bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX0, RX1, RY0); - - call __twofish_enc_blk8; - -- store_ctr_8way(%r12, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); -+ store_ctr_8way(%r14, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ctr_8way) - -@@ -430,6 +437,7 @@ ENTRY(twofish_xts_enc_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_xts_enc_8way) - -@@ -452,5 +460,6 @@ ENTRY(twofish_xts_dec_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_xts_dec_8way) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -index 1c3b7ce..02f578d 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "twofish-x86_64-asm-3way.S" - .text -@@ -258,6 +259,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - - .L__enc_xor3: -@@ -269,6 +271,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - ENDPROC(__twofish_enc_blk_3way) - -@@ -308,5 +311,6 @@ ENTRY(twofish_dec_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - ENDPROC(twofish_dec_blk_3way) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S -index a350c99..c1bac24 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64.S -@@ -22,6 +22,7 @@ - - #include <linux/linkage.h> - #include <asm/asm-offsets.h> -+#include <asm/alternative-asm.h> - - #define a_offset 0 - #define b_offset 4 -@@ -265,6 +266,7 @@ ENTRY(twofish_enc_blk) - - popq R1 - movl $1,%eax -+ pax_force_retaddr - ret - ENDPROC(twofish_enc_blk) - -@@ -317,5 +319,6 @@ ENTRY(twofish_dec_blk) - - popq R1 - movl $1,%eax -+ pax_force_retaddr - ret - ENDPROC(twofish_dec_blk) -diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c -index ae6aad1..719d6d9 100644 ---- a/arch/x86/ia32/ia32_aout.c -+++ b/arch/x86/ia32/ia32_aout.c -@@ -153,6 +153,8 @@ static int aout_core_dump(struct coredump_params *cprm) - unsigned long dump_start, dump_size; - struct user32 dump; - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c -index c81d35e6..3500144 100644 ---- a/arch/x86/ia32/ia32_signal.c -+++ b/arch/x86/ia32/ia32_signal.c -@@ -216,7 +216,7 @@ asmlinkage long sys32_sigreturn(void) - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_COMPAT_NSIG_WORDS > 1 - && __copy_from_user((((char *) &set.sig) + 4), -- &frame->extramask, -+ frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - -@@ -335,7 +335,7 @@ static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, - sp -= frame_size; - /* Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - return (void __user *) sp; - } - -@@ -380,10 +380,10 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - } else { - /* Return stub is in 32bit vsyscall page */ - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = frame->retcode; - } - - put_user_try { -@@ -393,7 +393,7 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - * These are actually not used anymore, but left because some - * gdb versions depend on them as a marker. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - if (err) -@@ -435,7 +435,7 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - 0xb8, - __NR_ia32_rt_sigreturn, - 0x80cd, -- 0, -+ 0 - }; - - frame = get_sigframe(ksig, regs, sizeof(*frame), &fpstate); -@@ -458,16 +458,19 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; -+ else if (current->mm->context.vdso) -+ /* Return stub is in 32bit vsyscall page */ -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym___kernel_rt_sigreturn); - else -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_rt_sigreturn; -+ restorer = frame->retcode; - put_user_ex(ptr_to_compat(restorer), &frame->pretcode); - - /* - * Not actually used anymore, but left because some gdb - * versions need it. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= copy_siginfo_to_user32(&frame->info, &ksig->info); -diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S -index 72bf268..127572a 100644 ---- a/arch/x86/ia32/ia32entry.S -+++ b/arch/x86/ia32/ia32entry.S -@@ -15,8 +15,10 @@ - #include <asm/irqflags.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - #include <linux/linkage.h> - #include <linux/err.h> -+#include <asm/alternative-asm.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ - #include <linux/elf-em.h> -@@ -85,6 +87,32 @@ ENTRY(native_irq_enable_sysexit) - ENDPROC(native_irq_enable_sysexit) - #endif - -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ - /* - * 32bit SYSENTER instruction entry. - * -@@ -119,23 +147,24 @@ ENTRY(ia32_sysenter_target) - * it is too small to ever cause noticeable irq latency. - */ - SWAPGS_UNSAFE_STACK -- movq PER_CPU_VAR(cpu_tss + TSS_sp0), %rsp -- ENABLE_INTERRUPTS(CLBR_NONE) -+ movq PER_CPU_VAR(kernel_stack), %rsp - - /* Zero-extending 32-bit regs, do not remove */ - movl %ebp, %ebp - movl %eax, %eax - -- movl ASM_THREAD_INFO(TI_sysenter_return, %rsp, 0), %r10d -- CFI_REGISTER rip,r10 -+ GET_THREAD_INFO(%r11) -+ movl TI_sysenter_return(%r11), %r11d -+ CFI_REGISTER rip,r11 - - /* Construct struct pt_regs on stack */ - pushq_cfi $__USER32_DS /* pt_regs->ss */ - pushq_cfi %rbp /* pt_regs->sp */ - CFI_REL_OFFSET rsp,0 - pushfq_cfi /* pt_regs->flags */ -+ orl $X86_EFLAGS_IF,(%rsp) - pushq_cfi $__USER32_CS /* pt_regs->cs */ -- pushq_cfi %r10 /* pt_regs->ip = thread_info->sysenter_return */ -+ pushq_cfi %r11 /* pt_regs->ip = thread_info->sysenter_return */ - CFI_REL_OFFSET rip,0 - pushq_cfi_reg rax /* pt_regs->orig_ax */ - pushq_cfi_reg rdi /* pt_regs->di */ -@@ -147,15 +176,37 @@ ENTRY(ia32_sysenter_target) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ - /* - * no need to do an access_ok check here because rbp has been - * 32bit zero extended - */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ addq pax_user_shadow_base,%rbp -+ ASM_PAX_OPEN_USERLAND -+#endif -+ - ASM_STAC - 1: movl (%rbp),%ebp - _ASM_EXTABLE(1b,ia32_badarg) - ASM_CLAC - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ - /* - * Sysenter doesn't filter flags, so we need to clear NT - * ourselves. To save a few cycles, we can check whether -@@ -165,8 +216,9 @@ ENTRY(ia32_sysenter_target) - jnz sysenter_fix_flags - sysenter_flags_fixed: - -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - CFI_REMEMBER_STATE - jnz sysenter_tracesys - cmpq $(IA32_NR_syscalls-1),%rax -@@ -181,9 +233,10 @@ sysenter_do_call: - sysenter_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysexit_audit - sysexit_from_sys_call: - /* -@@ -196,7 +249,9 @@ sysexit_from_sys_call: - * This code path is still called 'sysexit' because it pairs - * with 'sysenter' and it uses the SYSENTER calling convention. - */ -- andl $~TS_COMPAT,ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - movl RIP(%rsp),%ecx /* User %eip */ - CFI_REGISTER rip,rcx - RESTORE_RSI_RDI -@@ -247,6 +302,9 @@ sysexit_from_sys_call: - movl %ebx,%esi /* 2nd arg: 1st syscall arg */ - movl %eax,%edi /* 1st arg: syscall number */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - movl RAX(%rsp),%eax /* reload syscall number */ - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -258,7 +316,7 @@ sysexit_from_sys_call: - .endm - - .macro auditsys_exit exit -- testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jnz ia32_ret_from_sys_call - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -269,11 +327,12 @@ sysexit_from_sys_call: - 1: setbe %al /* 1 if error, 0 if not */ - movzbl %al,%edi /* zero-extend that into %edi */ - call __audit_syscall_exit -+ GET_THREAD_INFO(%r11) - movq RAX(%rsp),%rax /* reload syscall return value */ - movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl %edi, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl %edi,TI_flags(%r11) - jz \exit - CLEAR_RREGS - jmp int_with_check -@@ -295,7 +354,7 @@ sysenter_fix_flags: - - sysenter_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz sysenter_auditsys - #endif - SAVE_EXTRA_REGS -@@ -307,6 +366,9 @@ sysenter_tracesys: - RESTORE_EXTRA_REGS - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp sysenter_do_call - CFI_ENDPROC - ENDPROC(ia32_sysenter_target) -@@ -357,7 +419,6 @@ ENTRY(ia32_cstar_target) - movl %esp,%r8d - CFI_REGISTER rsp,r8 - movq PER_CPU_VAR(kernel_stack),%rsp -- ENABLE_INTERRUPTS(CLBR_NONE) - - /* Zero-extending 32-bit regs, do not remove */ - movl %eax,%eax -@@ -380,16 +441,41 @@ ENTRY(ia32_cstar_target) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ - /* - * no need to do an access_ok check here because r8 has been - * 32bit zero extended - */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_OPEN_USERLAND -+ movq pax_user_shadow_base,%r8 -+ addq RSP(%rsp),%r8 -+#endif -+ - ASM_STAC - 1: movl (%r8),%r9d - _ASM_EXTABLE(1b,ia32_badarg) - ASM_CLAC -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - CFI_REMEMBER_STATE - jnz cstar_tracesys - cmpq $IA32_NR_syscalls-1,%rax -@@ -404,12 +490,15 @@ cstar_do_call: - cstar_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysretl_audit - sysretl_from_sys_call: -- andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - RESTORE_RSI_RDI_RDX - movl RIP(%rsp),%ecx - CFI_REGISTER rip,rcx -@@ -451,7 +540,7 @@ sysretl_audit: - - cstar_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz cstar_auditsys - #endif - xchgl %r9d,%ebp -@@ -465,11 +554,19 @@ cstar_tracesys: - xchgl %ebp,%r9d - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp cstar_do_call - END(ia32_cstar_target) - - ia32_badarg: - ASM_CLAC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ - movq $-EFAULT,%rax - jmp ia32_sysret - CFI_ENDPROC -@@ -505,14 +602,8 @@ ENTRY(ia32_syscall) - /*CFI_REL_OFFSET cs,1*8 */ - CFI_REL_OFFSET rip,0*8 - -- /* -- * Interrupts are off on entry. -- * We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON, -- * it is too small to ever cause noticeable irq latency. -- */ - PARAVIRT_ADJUST_EXCEPTION_FRAME - SWAPGS -- ENABLE_INTERRUPTS(CLBR_NONE) - - /* Zero-extending 32-bit regs, do not remove */ - movl %eax,%eax -@@ -528,8 +619,26 @@ ENTRY(ia32_syscall) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * Interrupts are off on entry. -+ * We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON, -+ * it is too small to ever cause noticeable irq latency. -+ */ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - jnz ia32_tracesys - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -557,6 +666,9 @@ ia32_tracesys: - RESTORE_EXTRA_REGS - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp ia32_do_call - END(ia32_syscall) - -diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c -index 719cd70..69d576b 100644 ---- a/arch/x86/ia32/sys_ia32.c -+++ b/arch/x86/ia32/sys_ia32.c -@@ -69,8 +69,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low, - */ - static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) - { -- typeof(ubuf->st_uid) uid = 0; -- typeof(ubuf->st_gid) gid = 0; -+ typeof(((struct stat64 *)0)->st_uid) uid = 0; -+ typeof(((struct stat64 *)0)->st_gid) gid = 0; - SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid)); - SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid)); - if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) || -diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h -index bdf02ee..51a4656 100644 ---- a/arch/x86/include/asm/alternative-asm.h -+++ b/arch/x86/include/asm/alternative-asm.h -@@ -18,6 +18,45 @@ - .endm - #endif - -+#ifdef KERNEXEC_PLUGIN -+ .macro pax_force_retaddr_bts rip=0 -+ btsq $63,\rip(%rsp) -+ .endm -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ .macro pax_force_retaddr rip=0, reload=0 -+ btsq $63,\rip(%rsp) -+ .endm -+ .macro pax_force_fptr ptr -+ btsq $63,\ptr -+ .endm -+ .macro pax_set_fptr_mask -+ .endm -+#endif -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ .macro pax_force_retaddr rip=0, reload=0 -+ .if \reload -+ pax_set_fptr_mask -+ .endif -+ orq %r12,\rip(%rsp) -+ .endm -+ .macro pax_force_fptr ptr -+ orq %r12,\ptr -+ .endm -+ .macro pax_set_fptr_mask -+ movabs $0x8000000000000000,%r12 -+ .endm -+#endif -+#else -+ .macro pax_force_retaddr rip=0, reload=0 -+ .endm -+ .macro pax_force_fptr ptr -+ .endm -+ .macro pax_force_retaddr_bts rip=0 -+ .endm -+ .macro pax_set_fptr_mask -+ .endm -+#endif -+ - .macro altinstruction_entry orig alt feature orig_len alt_len pad_len - .long \orig - . - .long \alt - . -@@ -38,7 +77,7 @@ - altinstruction_entry 140b,143f,\feature,142b-140b,144f-143f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr - 144: -@@ -68,7 +107,7 @@ - altinstruction_entry 140b,144f,\feature2,142b-140b,145f-144f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr1 - 144: -diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h -index ba32af0..ff42fc0 100644 ---- a/arch/x86/include/asm/alternative.h -+++ b/arch/x86/include/asm/alternative.h -@@ -130,7 +130,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ".pushsection .altinstructions,\"a\"\n" \ - ALTINSTR_ENTRY(feature, 1) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, \"ax\"\n" \ -+ ".pushsection .altinstr_replacement, \"a\"\n" \ - ALTINSTR_REPLACEMENT(newinstr, feature, 1) \ - ".popsection" - -@@ -140,7 +140,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ALTINSTR_ENTRY(feature1, 1) \ - ALTINSTR_ENTRY(feature2, 2) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, \"ax\"\n" \ -+ ".pushsection .altinstr_replacement, \"a\"\n" \ - ALTINSTR_REPLACEMENT(newinstr1, feature1, 1) \ - ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \ - ".popsection" -diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h -index 976b86a..f3bc83a 100644 ---- a/arch/x86/include/asm/apic.h -+++ b/arch/x86/include/asm/apic.h -@@ -45,7 +45,7 @@ static inline void generic_apic_probe(void) - - #ifdef CONFIG_X86_LOCAL_APIC - --extern unsigned int apic_verbosity; -+extern int apic_verbosity; - extern int local_apic_timer_c2_ok; - - extern int disable_apic; -diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h -index 20370c6..a2eb9b0 100644 ---- a/arch/x86/include/asm/apm.h -+++ b/arch/x86/include/asm/apm.h -@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%al\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -@@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%bl\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h -index 5e5cd12..51cdc93 100644 ---- a/arch/x86/include/asm/atomic.h -+++ b/arch/x86/include/asm/atomic.h -@@ -28,6 +28,17 @@ static inline int atomic_read(const atomic_t *v) - } - - /** -+ * atomic_read_unchecked - read atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ */ -+static inline int __intentional_overflow(-1) atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic_set - set atomic variable - * @v: pointer of type atomic_t - * @i: required value -@@ -40,6 +51,18 @@ static inline void atomic_set(atomic_t *v, int i) - } - - /** -+ * atomic_set_unchecked - set atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t -@@ -48,7 +71,29 @@ static inline void atomic_set(atomic_t *v, int i) - */ - static inline void atomic_add(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "addl %1,%0" -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_add_unchecked - add integer to atomic variable -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -62,7 +107,29 @@ static inline void atomic_add(int i, atomic_t *v) - */ - static inline void atomic_sub(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "subl %1,%0" -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_sub_unchecked - subtract integer from atomic variable -+ * @i: integer value to subtract -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -78,7 +145,7 @@ static inline void atomic_sub(int i, atomic_t *v) - */ - static inline int atomic_sub_and_test(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subl", LOCK_PREFIX "addl", v->counter, "er", i, "%0", "e"); - } - - /** -@@ -89,7 +156,27 @@ static inline int atomic_sub_and_test(int i, atomic_t *v) - */ - static inline void atomic_inc(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "incl %0" -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_inc_unchecked - increment atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "incl %0\n" - : "+m" (v->counter)); - } - -@@ -101,7 +188,27 @@ static inline void atomic_inc(atomic_t *v) - */ - static inline void atomic_dec(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "decl %0" -+ asm volatile(LOCK_PREFIX "decl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_dec_unchecked - decrement atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decl %0\n" - : "+m" (v->counter)); - } - -@@ -115,7 +222,7 @@ static inline void atomic_dec(atomic_t *v) - */ - static inline int atomic_dec_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decl", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decl", LOCK_PREFIX "incl", v->counter, "%0", "e"); - } - - /** -@@ -128,7 +235,20 @@ static inline int atomic_dec_and_test(atomic_t *v) - */ - static inline int atomic_inc_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incl", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incl", LOCK_PREFIX "decl", v->counter, "%0", "e"); -+} -+ -+/** -+ * atomic_inc_and_test_unchecked - increment and test -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1 -+ * and returns true if the result is zero, or false for all -+ * other cases. -+ */ -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ GEN_UNARY_RMWcc_unchecked(LOCK_PREFIX "incl", v->counter, "%0", "e"); - } - - /** -@@ -142,7 +262,7 @@ static inline int atomic_inc_and_test(atomic_t *v) - */ - static inline int atomic_add_negative(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addl", LOCK_PREFIX "subl", v->counter, "er", i, "%0", "s"); - } - - /** -@@ -152,7 +272,19 @@ static inline int atomic_add_negative(int i, atomic_t *v) - * - * Atomically adds @i to @v and returns @i + @v - */ --static inline int atomic_add_return(int i, atomic_t *v) -+static inline int __intentional_overflow(-1) atomic_add_return(int i, atomic_t *v) -+{ -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic_add_return_unchecked - add integer and return -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) - { - return i + xadd(&v->counter, i); - } -@@ -164,15 +296,24 @@ static inline int atomic_add_return(int i, atomic_t *v) - * - * Atomically subtracts @i from @v and returns @v - @i - */ --static inline int atomic_sub_return(int i, atomic_t *v) -+static inline int __intentional_overflow(-1) atomic_sub_return(int i, atomic_t *v) - { - return atomic_add_return(-i, v); - } - - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - --static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+static inline int __intentional_overflow(-1) atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) - { - return cmpxchg(&v->counter, old, new); - } -@@ -182,6 +323,11 @@ static inline int atomic_xchg(atomic_t *v, int new) - return xchg(&v->counter, new); - } - -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ - /** - * __atomic_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t -@@ -193,12 +339,25 @@ static inline int atomic_xchg(atomic_t *v, int new) - */ - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "subl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -207,6 +366,49 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - } - - /** -+ * atomic_inc_not_zero_hint - increment if not null -+ * @v: pointer of type atomic_t -+ * @hint: probable value of the atomic before the increment -+ * -+ * This version of atomic_inc_not_zero() gives a hint of probable -+ * value of the atomic. This helps processor to not read the memory -+ * before doing the atomic read/modify/write cycle, lowering -+ * number of bus transactions on some arches. -+ * -+ * Returns: 0 if increment was not done, 1 otherwise. -+ */ -+#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint -+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) -+{ -+ int val, c = hint, new; -+ -+ /* sanity test, should be removed by compiler if hint is a constant */ -+ if (!hint) -+ return __atomic_add_unless(v, 1, 0); -+ -+ do { -+ asm volatile("incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c)); -+ -+ val = atomic_cmpxchg(v, c, new); -+ if (val == c) -+ return 1; -+ c = val; -+ } while (c); -+ -+ return 0; -+} -+ -+/** - * atomic_inc_short - increment of a short integer - * @v: pointer to type int - * -@@ -220,14 +422,37 @@ static inline short int atomic_inc_short(short int *v) - } - - /* These are x86-specific, used by some header files */ --#define atomic_clear_mask(mask, addr) \ -- asm volatile(LOCK_PREFIX "andl %0,%1" \ -- : : "r" (~(mask)), "m" (*(addr)) : "memory") -+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) -+{ -+ asm volatile(LOCK_PREFIX "andl %1,%0" -+ : "+m" (v->counter) -+ : "r" (~(mask)) -+ : "memory"); -+} - --#define atomic_set_mask(mask, addr) \ -- asm volatile(LOCK_PREFIX "orl %0,%1" \ -- : : "r" ((unsigned)(mask)), "m" (*(addr)) \ -- : "memory") -+static inline void atomic_clear_mask_unchecked(unsigned int mask, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "andl %1,%0" -+ : "+m" (v->counter) -+ : "r" (~(mask)) -+ : "memory"); -+} -+ -+static inline void atomic_set_mask(unsigned int mask, atomic_t *v) -+{ -+ asm volatile(LOCK_PREFIX "orl %1,%0" -+ : "+m" (v->counter) -+ : "r" (mask) -+ : "memory"); -+} -+ -+static inline void atomic_set_mask_unchecked(unsigned int mask, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "orl %1,%0" -+ : "+m" (v->counter) -+ : "r" (mask) -+ : "memory"); -+} - - #ifdef CONFIG_X86_32 - # include <asm/atomic64_32.h> -diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h -index b154de7..bf18a5a 100644 ---- a/arch/x86/include/asm/atomic64_32.h -+++ b/arch/x86/include/asm/atomic64_32.h -@@ -12,6 +12,14 @@ typedef struct { - u64 __aligned(8) counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ u64 __aligned(8) counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(val) { (val) } - - #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...) -@@ -37,21 +45,31 @@ typedef struct { - ATOMIC64_DECL_ONE(sym##_386) - - ATOMIC64_DECL_ONE(add_386); -+ATOMIC64_DECL_ONE(add_unchecked_386); - ATOMIC64_DECL_ONE(sub_386); -+ATOMIC64_DECL_ONE(sub_unchecked_386); - ATOMIC64_DECL_ONE(inc_386); -+ATOMIC64_DECL_ONE(inc_unchecked_386); - ATOMIC64_DECL_ONE(dec_386); -+ATOMIC64_DECL_ONE(dec_unchecked_386); - #endif - - #define alternative_atomic64(f, out, in...) \ - __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in) - - ATOMIC64_DECL(read); -+ATOMIC64_DECL(read_unchecked); - ATOMIC64_DECL(set); -+ATOMIC64_DECL(set_unchecked); - ATOMIC64_DECL(xchg); - ATOMIC64_DECL(add_return); -+ATOMIC64_DECL(add_return_unchecked); - ATOMIC64_DECL(sub_return); -+ATOMIC64_DECL(sub_return_unchecked); - ATOMIC64_DECL(inc_return); -+ATOMIC64_DECL(inc_return_unchecked); - ATOMIC64_DECL(dec_return); -+ATOMIC64_DECL(dec_return_unchecked); - ATOMIC64_DECL(dec_if_positive); - ATOMIC64_DECL(inc_not_zero); - ATOMIC64_DECL(add_unless); -@@ -77,6 +95,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n - } - - /** -+ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable -+ * @p: pointer to type atomic64_unchecked_t -+ * @o: expected value -+ * @n: new value -+ * -+ * Atomically sets @v to @n if it was equal to @o and returns -+ * the old value. -+ */ -+ -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n) -+{ -+ return cmpxchg64(&v->counter, o, n); -+} -+ -+/** - * atomic64_xchg - xchg atomic64 variable - * @v: pointer to type atomic64_t - * @n: value to assign -@@ -112,6 +145,22 @@ static inline void atomic64_set(atomic64_t *v, long long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @n: value to assign -+ * -+ * Atomically sets the value of @v to @n. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ unsigned high = (unsigned)(i >> 32); -+ unsigned low = (unsigned)i; -+ alternative_atomic64(set, /* no output */, -+ "S" (v), "b" (low), "c" (high) -+ : "eax", "edx", "memory"); -+} -+ -+/** - * atomic64_read - read atomic64 variable - * @v: pointer to type atomic64_t - * -@@ -125,6 +174,19 @@ static inline long long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v and returns it. -+ */ -+static inline long long __intentional_overflow(-1) atomic64_read_unchecked(atomic64_unchecked_t *v) -+{ -+ long long r; -+ alternative_atomic64(read, "=&A" (r), "c" (v) : "memory"); -+ return r; -+ } -+ -+/** - * atomic64_add_return - add and return - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -139,6 +201,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v) - return i; - } - -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + *@v -+ */ -+static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ alternative_atomic64(add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ - /* - * Other variants with different arithmetic operators: - */ -@@ -158,6 +235,14 @@ static inline long long atomic64_inc_return(atomic64_t *v) - return a; - } - -+static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ long long a; -+ alternative_atomic64(inc_return_unchecked, "=&A" (a), -+ "S" (v) : "memory", "ecx"); -+ return a; -+} -+ - static inline long long atomic64_dec_return(atomic64_t *v) - { - long long a; -@@ -182,6 +267,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v) - } - - /** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ __alternative_atomic64(add_unchecked, add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ -+/** - * atomic64_sub - subtract the atomic64 variable - * @i: integer value to subtract - * @v: pointer to type atomic64_t -diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h -index f8d273e..02f39f3 100644 ---- a/arch/x86/include/asm/atomic64_64.h -+++ b/arch/x86/include/asm/atomic64_64.h -@@ -22,6 +22,18 @@ static inline long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer of type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ * Doesn't imply a read memory barrier. -+ */ -+static inline long __intentional_overflow(-1) atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic64_set - set atomic64 variable - * @v: pointer to type atomic64_t - * @i: required value -@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic64_add - add integer to atomic64 variable - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64_t *v, long i) - */ - static inline void atomic64_add(long i, atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "addq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "addq %1,%0" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); -@@ -56,7 +102,29 @@ static inline void atomic64_add(long i, atomic64_t *v) - */ - static inline void atomic64_sub(long i, atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "subq %1,%0" -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_sub_unchecked - subtract the atomic64 variable -+ * @i: integer value to subtract -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); - } -@@ -72,7 +140,7 @@ static inline void atomic64_sub(long i, atomic64_t *v) - */ - static inline int atomic64_sub_and_test(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subq", LOCK_PREFIX "addq", v->counter, "er", i, "%0", "e"); - } - - /** -@@ -83,6 +151,27 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v) - */ - static inline void atomic64_inc(atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "incq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_inc_unchecked - increment atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "incq %0" - : "=m" (v->counter) - : "m" (v->counter)); -@@ -96,7 +185,28 @@ static inline void atomic64_inc(atomic64_t *v) - */ - static inline void atomic64_dec(atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "decq %0" -+ asm volatile(LOCK_PREFIX "decq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_dec_unchecked - decrement atomic64 variable -+ * @v: pointer to type atomic64_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decq %0\n" - : "=m" (v->counter) - : "m" (v->counter)); - } -@@ -111,7 +221,7 @@ static inline void atomic64_dec(atomic64_t *v) - */ - static inline int atomic64_dec_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decq", LOCK_PREFIX "incq", v->counter, "%0", "e"); - } - - /** -@@ -124,7 +234,7 @@ static inline int atomic64_dec_and_test(atomic64_t *v) - */ - static inline int atomic64_inc_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incq", LOCK_PREFIX "decq", v->counter, "%0", "e"); - } - - /** -@@ -138,7 +248,7 @@ static inline int atomic64_inc_and_test(atomic64_t *v) - */ - static inline int atomic64_add_negative(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addq", LOCK_PREFIX "subq", v->counter, "er", i, "%0", "s"); - } - - /** -@@ -150,6 +260,18 @@ static inline int atomic64_add_negative(long i, atomic64_t *v) - */ - static inline long atomic64_add_return(long i, atomic64_t *v) - { -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) -+{ - return i + xadd(&v->counter, i); - } - -@@ -159,6 +281,10 @@ static inline long atomic64_sub_return(long i, atomic64_t *v) - } - - #define atomic64_inc_return(v) (atomic64_add_return(1, (v))) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - #define atomic64_dec_return(v) (atomic64_sub_return(1, (v))) - - static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -@@ -166,6 +292,11 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) - return cmpxchg(&v->counter, old, new); - } - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ - static inline long atomic64_xchg(atomic64_t *v, long new) - { - return xchg(&v->counter, new); -@@ -182,17 +313,30 @@ static inline long atomic64_xchg(atomic64_t *v, long new) - */ - static inline int atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("add %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h -index 959e45b..6ea9bf6 100644 ---- a/arch/x86/include/asm/barrier.h -+++ b/arch/x86/include/asm/barrier.h -@@ -57,7 +57,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -@@ -74,7 +74,7 @@ do { \ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h -index cfe3b95..d01b118 100644 ---- a/arch/x86/include/asm/bitops.h -+++ b/arch/x86/include/asm/bitops.h -@@ -50,7 +50,7 @@ - * a mask operation on a byte. - */ - #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) --#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3)) -+#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3)) - #define CONST_MASK(nr) (1 << ((nr) & 7)) - - /** -@@ -203,7 +203,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_set_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c"); - } - - /** -@@ -249,7 +249,7 @@ static inline int __test_and_set_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_clear_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c"); - } - - /** -@@ -302,7 +302,7 @@ static inline int __test_and_change_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_change_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c"); - } - - static __always_inline int constant_test_bit(long nr, const volatile unsigned long *addr) -@@ -343,7 +343,7 @@ static int test_bit(int nr, const volatile unsigned long *addr); - * - * Undefined if no bit exists, so code should check against 0 first. - */ --static inline unsigned long __ffs(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) __ffs(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -357,7 +357,7 @@ static inline unsigned long __ffs(unsigned long word) - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ --static inline unsigned long ffz(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) ffz(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -371,7 +371,7 @@ static inline unsigned long ffz(unsigned long word) - * - * Undefined if no set bit exists, so code should check against 0 first. - */ --static inline unsigned long __fls(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) __fls(unsigned long word) - { - asm("bsr %1,%0" - : "=r" (word) -@@ -434,7 +434,7 @@ static inline int ffs(int x) - * set bit if value is nonzero. The last (most significant) bit is - * at position 32. - */ --static inline int fls(int x) -+static inline int __intentional_overflow(-1) fls(int x) - { - int r; - -@@ -476,7 +476,7 @@ static inline int fls(int x) - * at position 64. - */ - #ifdef CONFIG_X86_64 --static __always_inline int fls64(__u64 x) -+static __always_inline __intentional_overflow(-1) int fls64(__u64 x) - { - int bitpos = -1; - /* -diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h -index 4fa687a..60f2d39 100644 ---- a/arch/x86/include/asm/boot.h -+++ b/arch/x86/include/asm/boot.h -@@ -6,10 +6,15 @@ - #include <uapi/asm/boot.h> - - /* Physical address where kernel should be loaded. */ --#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ -+#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ - + (CONFIG_PHYSICAL_ALIGN - 1)) \ - & ~(CONFIG_PHYSICAL_ALIGN - 1)) - -+#ifndef __ASSEMBLY__ -+extern unsigned char __LOAD_PHYSICAL_ADDR[]; -+#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR) -+#endif -+ - /* Minimum kernel alignment, as a power of two */ - #ifdef CONFIG_X86_64 - #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT -diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h -index 48f99f1..d78ebf9 100644 ---- a/arch/x86/include/asm/cache.h -+++ b/arch/x86/include/asm/cache.h -@@ -5,12 +5,13 @@ - - /* L1 cache line size */ - #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -+#define __read_only __attribute__((__section__(".data..read_only"))) - - #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT --#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT) -+#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT) - - #ifdef CONFIG_X86_VSMP - #ifdef CONFIG_SMP -diff --git a/arch/x86/include/asm/calling.h b/arch/x86/include/asm/calling.h -index 1c8b50e..166bcaa 100644 ---- a/arch/x86/include/asm/calling.h -+++ b/arch/x86/include/asm/calling.h -@@ -96,23 +96,26 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_C_REGS_HELPER offset=0 rax=1 rcx=1 r8910=1 r11=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12+\offset -+#endif - .if \r11 -- movq_cfi r11, 6*8+\offset -+ movq_cfi r11, R11+\offset - .endif - .if \r8910 -- movq_cfi r10, 7*8+\offset -- movq_cfi r9, 8*8+\offset -- movq_cfi r8, 9*8+\offset -+ movq_cfi r10, R10+\offset -+ movq_cfi r9, R9+\offset -+ movq_cfi r8, R8+\offset - .endif - .if \rax -- movq_cfi rax, 10*8+\offset -+ movq_cfi rax, RAX+\offset - .endif - .if \rcx -- movq_cfi rcx, 11*8+\offset -+ movq_cfi rcx, RCX+\offset - .endif -- movq_cfi rdx, 12*8+\offset -- movq_cfi rsi, 13*8+\offset -- movq_cfi rdi, 14*8+\offset -+ movq_cfi rdx, RDX+\offset -+ movq_cfi rsi, RSI+\offset -+ movq_cfi rdi, RDI+\offset - .endm - .macro SAVE_C_REGS offset=0 - SAVE_C_REGS_HELPER \offset, 1, 1, 1, 1 -@@ -131,76 +134,87 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_EXTRA_REGS offset=0 -- movq_cfi r15, 0*8+\offset -- movq_cfi r14, 1*8+\offset -- movq_cfi r13, 2*8+\offset -- movq_cfi r12, 3*8+\offset -- movq_cfi rbp, 4*8+\offset -- movq_cfi rbx, 5*8+\offset -+ movq_cfi r15, R15+\offset -+ movq_cfi r14, R14+\offset -+ movq_cfi r13, R13+\offset -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12+\offset -+#endif -+ movq_cfi rbp, RBP+\offset -+ movq_cfi rbx, RBX+\offset - .endm - .macro SAVE_EXTRA_REGS_RBP offset=0 -- movq_cfi rbp, 4*8+\offset -+ movq_cfi rbp, RBP+\offset - .endm - - .macro RESTORE_EXTRA_REGS offset=0 -- movq_cfi_restore 0*8+\offset, r15 -- movq_cfi_restore 1*8+\offset, r14 -- movq_cfi_restore 2*8+\offset, r13 -- movq_cfi_restore 3*8+\offset, r12 -- movq_cfi_restore 4*8+\offset, rbp -- movq_cfi_restore 5*8+\offset, rbx -+ movq_cfi_restore R15+\offset, r15 -+ movq_cfi_restore R14+\offset, r14 -+ movq_cfi_restore R13+\offset, r13 -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi_restore R12+\offset, r12 -+#endif -+ movq_cfi_restore RBP+\offset, rbp -+ movq_cfi_restore RBX+\offset, rbx - .endm - - .macro ZERO_EXTRA_REGS - xorl %r15d, %r15d - xorl %r14d, %r14d - xorl %r13d, %r13d -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - xorl %r12d, %r12d -+#endif - xorl %ebp, %ebp - xorl %ebx, %ebx - .endm - -- .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1 -+ .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1, rstor_r12=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ .if \rstor_r12 -+ movq_cfi_restore R12, r12 -+ .endif -+#endif - .if \rstor_r11 -- movq_cfi_restore 6*8, r11 -+ movq_cfi_restore R11, r11 - .endif - .if \rstor_r8910 -- movq_cfi_restore 7*8, r10 -- movq_cfi_restore 8*8, r9 -- movq_cfi_restore 9*8, r8 -+ movq_cfi_restore R10, r10 -+ movq_cfi_restore R9, r9 -+ movq_cfi_restore R8, r8 - .endif - .if \rstor_rax -- movq_cfi_restore 10*8, rax -+ movq_cfi_restore RAX, rax - .endif - .if \rstor_rcx -- movq_cfi_restore 11*8, rcx -+ movq_cfi_restore RCX, rcx - .endif - .if \rstor_rdx -- movq_cfi_restore 12*8, rdx -+ movq_cfi_restore RDX, rdx - .endif -- movq_cfi_restore 13*8, rsi -- movq_cfi_restore 14*8, rdi -+ movq_cfi_restore RSI, rsi -+ movq_cfi_restore RDI, rdi - .endm - .macro RESTORE_C_REGS -- RESTORE_C_REGS_HELPER 1,1,1,1,1 -+ RESTORE_C_REGS_HELPER 1,1,1,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RAX -- RESTORE_C_REGS_HELPER 0,1,1,1,1 -+ RESTORE_C_REGS_HELPER 0,1,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX -- RESTORE_C_REGS_HELPER 1,0,1,1,1 -+ RESTORE_C_REGS_HELPER 1,0,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_R11 -- RESTORE_C_REGS_HELPER 1,1,0,1,1 -+ RESTORE_C_REGS_HELPER 1,1,0,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX_R11 -- RESTORE_C_REGS_HELPER 1,0,0,1,1 -+ RESTORE_C_REGS_HELPER 1,0,0,1,1,1 - .endm - .macro RESTORE_RSI_RDI -- RESTORE_C_REGS_HELPER 0,0,0,0,0 -+ RESTORE_C_REGS_HELPER 0,0,0,0,0,1 - .endm - .macro RESTORE_RSI_RDI_RDX -- RESTORE_C_REGS_HELPER 0,0,0,0,1 -+ RESTORE_C_REGS_HELPER 0,0,0,0,1,1 - .endm - - .macro REMOVE_PT_GPREGS_FROM_STACK addskip=0 -diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h -index f50de69..2b0a458 100644 ---- a/arch/x86/include/asm/checksum_32.h -+++ b/arch/x86/include/asm/checksum_32.h -@@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, - int len, __wsum sum, - int *src_err_ptr, int *dst_err_ptr); - -+asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ -+asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ - /* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. -@@ -53,7 +61,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src, - - might_sleep(); - stac(); -- ret = csum_partial_copy_generic((__force void *)src, dst, -+ ret = csum_partial_copy_generic_from_user((__force void *)src, dst, - len, sum, err_ptr, NULL); - clac(); - -@@ -187,7 +195,7 @@ static inline __wsum csum_and_copy_to_user(const void *src, - might_sleep(); - if (access_ok(VERIFY_WRITE, dst, len)) { - stac(); -- ret = csum_partial_copy_generic(src, (__force void *)dst, -+ ret = csum_partial_copy_generic_to_user(src, (__force void *)dst, - len, sum, NULL, err_ptr); - clac(); - return ret; -diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h -index 99c105d7..2f667ac 100644 ---- a/arch/x86/include/asm/cmpxchg.h -+++ b/arch/x86/include/asm/cmpxchg.h -@@ -16,8 +16,12 @@ extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); - extern void __xadd_wrong_size(void) - __compiletime_error("Bad argument size for xadd"); -+extern void __xadd_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for xadd_check_overflow"); - extern void __add_wrong_size(void) - __compiletime_error("Bad argument size for add"); -+extern void __add_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for add_check_overflow"); - - /* - * Constants for operation sizes. On 32-bit, the 64-bit size it set to -@@ -69,6 +73,38 @@ extern void __add_wrong_size(void) - __ret; \ - }) - -+#ifdef CONFIG_PAX_REFCOUNT -+#define __xchg_op_check_overflow(ptr, arg, op, lock) \ -+ ({ \ -+ __typeof__ (*(ptr)) __ret = (arg); \ -+ switch (sizeof(*(ptr))) { \ -+ case __X86_CASE_L: \ -+ asm volatile (lock #op "l %0, %1\n" \ -+ "jno 0f\n" \ -+ "mov %0,%1\n" \ -+ "int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ : "+r" (__ret), "+m" (*(ptr)) \ -+ : : "memory", "cc"); \ -+ break; \ -+ case __X86_CASE_Q: \ -+ asm volatile (lock #op "q %q0, %1\n" \ -+ "jno 0f\n" \ -+ "mov %0,%1\n" \ -+ "int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ : "+r" (__ret), "+m" (*(ptr)) \ -+ : : "memory", "cc"); \ -+ break; \ -+ default: \ -+ __ ## op ## _check_overflow_wrong_size(); \ -+ } \ -+ __ret; \ -+ }) -+#else -+#define __xchg_op_check_overflow(ptr, arg, op, lock) __xchg_op(ptr, arg, op, lock) -+#endif -+ - /* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway. - * Since this is generally used to protect other memory information, we -@@ -167,6 +203,9 @@ extern void __add_wrong_size(void) - #define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ") - #define xadd_local(ptr, inc) __xadd((ptr), (inc), "") - -+#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock) -+#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX) -+ - #define __add(ptr, inc, lock) \ - ({ \ - __typeof__ (*(ptr)) __ret = (inc); \ -diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h -index acdee09..a553db3 100644 ---- a/arch/x86/include/asm/compat.h -+++ b/arch/x86/include/asm/compat.h -@@ -41,7 +41,7 @@ typedef s64 __attribute__((aligned(4))) compat_s64; - typedef u32 compat_uint_t; - typedef u32 compat_ulong_t; - typedef u64 __attribute__((aligned(4))) compat_u64; --typedef u32 compat_uptr_t; -+typedef u32 __user compat_uptr_t; - - struct compat_timespec { - compat_time_t tv_sec; -diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h -index 3d6606f..300641d 100644 ---- a/arch/x86/include/asm/cpufeature.h -+++ b/arch/x86/include/asm/cpufeature.h -@@ -214,7 +214,8 @@ - #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */ - #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */ - #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ -- -+#define X86_FEATURE_PCIDUDEREF ( 8*32+30) /* PaX PCID based UDEREF */ -+#define X86_FEATURE_STRONGUDEREF (8*32+31) /* PaX PCID based strong UDEREF */ - - /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ - #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ -@@ -222,7 +223,7 @@ - #define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ - #define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ - #define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ --#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ -+#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Prevention */ - #define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ - #define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ - #define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ -@@ -401,6 +402,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; - #define cpu_has_eager_fpu boot_cpu_has(X86_FEATURE_EAGER_FPU) - #define cpu_has_topoext boot_cpu_has(X86_FEATURE_TOPOEXT) - #define cpu_has_bpext boot_cpu_has(X86_FEATURE_BPEXT) -+#define cpu_has_pcid boot_cpu_has(X86_FEATURE_PCID) - - #if __GNUC__ >= 4 - extern void warn_pre_alternatives(void); -@@ -454,7 +456,8 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) - - #ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS - t_warn: -- warn_pre_alternatives(); -+ if (bit != X86_FEATURE_PCID && bit != X86_FEATURE_INVPCID && bit != X86_FEATURE_PCIDUDEREF) -+ warn_pre_alternatives(); - return false; - #endif - -@@ -475,7 +478,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) - ".section .discard,\"aw\",@progbits\n" - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "3: movb $1,%0\n" - "4:\n" - ".previous\n" -@@ -510,7 +513,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - " .byte 5f - 4f\n" /* repl len */ - " .byte 3b - 2b\n" /* pad len */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "4: jmp %l[t_no]\n" - "5:\n" - ".previous\n" -@@ -545,7 +548,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - ".section .discard,\"aw\",@progbits\n" - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "3: movb $0,%0\n" - "4:\n" - ".previous\n" -@@ -560,7 +563,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - ".section .discard,\"aw\",@progbits\n" - " .byte 0xff + (6f-5f) - (4b-3b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "5: movb $1,%0\n" - "6:\n" - ".previous\n" -diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h -index a0bf89f..56f0b2a 100644 ---- a/arch/x86/include/asm/desc.h -+++ b/arch/x86/include/asm/desc.h -@@ -4,6 +4,7 @@ - #include <asm/desc_defs.h> - #include <asm/ldt.h> - #include <asm/mmu.h> -+#include <asm/pgtable.h> - - #include <linux/smp.h> - #include <linux/percpu.h> -@@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - - desc->type = (info->read_exec_only ^ 1) << 1; - desc->type |= info->contents << 2; -+ desc->type |= info->seg_not_present ^ 1; - - desc->s = 1; - desc->dpl = 0x3; -@@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - } - - extern struct desc_ptr idt_descr; --extern gate_desc idt_table[]; --extern struct desc_ptr debug_idt_descr; --extern gate_desc debug_idt_table[]; -- --struct gdt_page { -- struct desc_struct gdt[GDT_ENTRIES]; --} __attribute__((aligned(PAGE_SIZE))); -- --DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); -+extern gate_desc idt_table[IDT_ENTRIES]; -+extern const struct desc_ptr debug_idt_descr; -+extern gate_desc debug_idt_table[IDT_ENTRIES]; - -+extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)]; - static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) - { -- return per_cpu(gdt_page, cpu).gdt; -+ return cpu_gdt_table[cpu]; - } - - #ifdef CONFIG_X86_64 -@@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, - unsigned long base, unsigned dpl, unsigned flags, - unsigned short seg) - { -- gate->a = (seg << 16) | (base & 0xffff); -- gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8); -+ gate->gate.offset_low = base; -+ gate->gate.seg = seg; -+ gate->gate.reserved = 0; -+ gate->gate.type = type; -+ gate->gate.s = 0; -+ gate->gate.dpl = dpl; -+ gate->gate.p = 1; -+ gate->gate.offset_high = base >> 16; - } - - #endif -@@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) - - static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate) - { -+ pax_open_kernel(); - memcpy(&idt[entry], gate, sizeof(*gate)); -+ pax_close_kernel(); - } - - static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc) - { -+ pax_open_kernel(); - memcpy(&ldt[entry], desc, 8); -+ pax_close_kernel(); - } - - static inline void -@@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int - default: size = sizeof(*gdt); break; - } - -+ pax_open_kernel(); - memcpy(&gdt[entry], desc, size); -+ pax_close_kernel(); - } - - static inline void pack_descriptor(struct desc_struct *desc, unsigned long base, -@@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries) - - static inline void native_load_tr_desc(void) - { -+ pax_open_kernel(); - asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8)); -+ pax_close_kernel(); - } - - static inline void native_load_gdt(const struct desc_ptr *dtr) -@@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) - struct desc_struct *gdt = get_cpu_gdt_table(cpu); - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) - gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; -+ pax_close_kernel(); - } - - /* This intentionally ignores lm, since 32-bit apps don't have that field. */ -@@ -295,7 +308,7 @@ static inline void load_LDT(mm_context_t *pc) - preempt_enable(); - } - --static inline unsigned long get_desc_base(const struct desc_struct *desc) -+static inline unsigned long __intentional_overflow(-1) get_desc_base(const struct desc_struct *desc) - { - return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); - } -@@ -319,7 +332,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit) - } - - #ifdef CONFIG_X86_64 --static inline void set_nmi_gate(int gate, void *addr) -+static inline void set_nmi_gate(int gate, const void *addr) - { - gate_desc s; - -@@ -329,14 +342,14 @@ static inline void set_nmi_gate(int gate, void *addr) - #endif - - #ifdef CONFIG_TRACING --extern struct desc_ptr trace_idt_descr; --extern gate_desc trace_idt_table[]; -+extern const struct desc_ptr trace_idt_descr; -+extern gate_desc trace_idt_table[IDT_ENTRIES]; - static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - { - write_idt_entry(trace_idt_table, entry, gate); - } - --static inline void _trace_set_gate(int gate, unsigned type, void *addr, -+static inline void _trace_set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -356,7 +369,7 @@ static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - #define _trace_set_gate(gate, type, addr, dpl, ist, seg) - #endif - --static inline void _set_gate(int gate, unsigned type, void *addr, -+static inline void _set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -379,14 +392,14 @@ static inline void _set_gate(int gate, unsigned type, void *addr, - #define set_intr_gate_notrace(n, addr) \ - do { \ - BUG_ON((unsigned)n > 0xFF); \ -- _set_gate(n, GATE_INTERRUPT, (void *)addr, 0, 0, \ -+ _set_gate(n, GATE_INTERRUPT, (const void *)addr, 0, 0, \ - __KERNEL_CS); \ - } while (0) - - #define set_intr_gate(n, addr) \ - do { \ - set_intr_gate_notrace(n, addr); \ -- _trace_set_gate(n, GATE_INTERRUPT, (void *)trace_##addr,\ -+ _trace_set_gate(n, GATE_INTERRUPT, (const void *)trace_##addr,\ - 0, 0, __KERNEL_CS); \ - } while (0) - -@@ -414,19 +427,19 @@ static inline void alloc_system_vector(int vector) - /* - * This routine sets up an interrupt gate at directory privilege level 3. - */ --static inline void set_system_intr_gate(unsigned int n, void *addr) -+static inline void set_system_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_system_trap_gate(unsigned int n, void *addr) -+static inline void set_system_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_trap_gate(unsigned int n, void *addr) -+static inline void set_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); -@@ -435,16 +448,16 @@ static inline void set_trap_gate(unsigned int n, void *addr) - static inline void set_task_gate(unsigned int n, unsigned int gdt_entry) - { - BUG_ON((unsigned)n > 0xFF); -- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3)); -+ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3)); - } - --static inline void set_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS); - } - --static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); -@@ -516,4 +529,17 @@ static inline void load_current_idt(void) - else - load_idt((const struct desc_ptr *)&idt_descr); - } -+ -+#ifdef CONFIG_X86_32 -+static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu) -+{ -+ struct desc_struct d; -+ -+ if (likely(limit)) -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ pack_descriptor(&d, base, limit, 0xFB, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S); -+} -+#endif -+ - #endif /* _ASM_X86_DESC_H */ -diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h -index 278441f..b95a174 100644 ---- a/arch/x86/include/asm/desc_defs.h -+++ b/arch/x86/include/asm/desc_defs.h -@@ -31,6 +31,12 @@ struct desc_struct { - unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; - unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; - }; -+ struct { -+ u16 offset_low; -+ u16 seg; -+ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1; -+ unsigned offset_high: 16; -+ } gate; - }; - } __attribute__((packed)); - -diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h -index ced283a..ffe04cc 100644 ---- a/arch/x86/include/asm/div64.h -+++ b/arch/x86/include/asm/div64.h -@@ -39,7 +39,7 @@ - __mod; \ - }) - --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - union { - u64 v64; -diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h -index f161c18..97d43e8 100644 ---- a/arch/x86/include/asm/elf.h -+++ b/arch/x86/include/asm/elf.h -@@ -75,9 +75,6 @@ typedef struct user_fxsr_struct elf_fpxregset_t; - - #include <asm/vdso.h> - --#ifdef CONFIG_X86_64 --extern unsigned int vdso64_enabled; --#endif - #if defined(CONFIG_X86_32) || defined(CONFIG_COMPAT) - extern unsigned int vdso32_enabled; - #endif -@@ -250,7 +247,25 @@ extern int force_personality32; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2) -+#else - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+#ifdef CONFIG_X86_32 -+#define PAX_ELF_ET_DYN_BASE 0x10000000UL -+ -+#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#else -+#define PAX_ELF_ET_DYN_BASE 0x400000UL -+ -+#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#endif -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -@@ -299,17 +314,13 @@ do { \ - - #define ARCH_DLINFO \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - /* As a historical oddity, the x32 and x86_64 vDSOs are controlled together. */ - #define ARCH_DLINFO_X32 \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - #define AT_SYSINFO 32 -@@ -324,10 +335,10 @@ else \ - - #endif /* !CONFIG_X86_32 */ - --#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) -+#define VDSO_CURRENT_BASE (current->mm->context.vdso) - - #define VDSO_ENTRY \ -- ((unsigned long)current->mm->context.vdso + \ -+ (current->mm->context.vdso + \ - selected_vdso32->sym___kernel_vsyscall) - - struct linux_binprm; -diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h -index 77a99ac..39ff7f5 100644 ---- a/arch/x86/include/asm/emergency-restart.h -+++ b/arch/x86/include/asm/emergency-restart.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_X86_EMERGENCY_RESTART_H - #define _ASM_X86_EMERGENCY_RESTART_H - --extern void machine_emergency_restart(void); -+extern void machine_emergency_restart(void) __noreturn; - - #endif /* _ASM_X86_EMERGENCY_RESTART_H */ -diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h -index 1c7eefe..d0e4702 100644 ---- a/arch/x86/include/asm/floppy.h -+++ b/arch/x86/include/asm/floppy.h -@@ -229,18 +229,18 @@ static struct fd_routine_l { - int (*_dma_setup)(char *addr, unsigned long size, int mode, int io); - } fd_routine[] = { - { -- request_dma, -- free_dma, -- get_dma_residue, -- dma_mem_alloc, -- hard_dma_setup -+ ._request_dma = request_dma, -+ ._free_dma = free_dma, -+ ._get_dma_residue = get_dma_residue, -+ ._dma_mem_alloc = dma_mem_alloc, -+ ._dma_setup = hard_dma_setup - }, - { -- vdma_request_dma, -- vdma_nop, -- vdma_get_dma_residue, -- vdma_mem_alloc, -- vdma_dma_setup -+ ._request_dma = vdma_request_dma, -+ ._free_dma = vdma_nop, -+ ._get_dma_residue = vdma_get_dma_residue, -+ ._dma_mem_alloc = vdma_mem_alloc, -+ ._dma_setup = vdma_dma_setup - } - }; - -diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h -index da5e967..ab07eec 100644 ---- a/arch/x86/include/asm/fpu-internal.h -+++ b/arch/x86/include/asm/fpu-internal.h -@@ -151,8 +151,11 @@ static inline void sanitize_i387_state(struct task_struct *tsk) - #define user_insn(insn, output, input...) \ - ({ \ - int err; \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1:" #insn "\n\t" \ -+ "1:" \ -+ __copyuser_seg \ -+ #insn "\n\t" \ - "2: " ASM_CLAC "\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl $-1,%[err]\n" \ -@@ -161,6 +164,7 @@ static inline void sanitize_i387_state(struct task_struct *tsk) - _ASM_EXTABLE(1b, 3b) \ - : [err] "=r" (err), output \ - : "0"(0), input); \ -+ pax_close_userland(); \ - err; \ - }) - -@@ -327,7 +331,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk) - "fnclex\n\t" - "emms\n\t" - "fildl %P[addr]" /* set F?P to defined value */ -- : : [addr] "m" (tsk->thread.fpu.has_fpu)); -+ : : [addr] "m" (cpu_tss[raw_smp_processor_id()].x86_tss.sp0)); - } - - return fpu_restore_checking(&tsk->thread.fpu); -diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h -index b4c1f54..e290c08 100644 ---- a/arch/x86/include/asm/futex.h -+++ b/arch/x86/include/asm/futex.h -@@ -12,6 +12,7 @@ - #include <asm/smap.h> - - #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 __user *, uaddr); \ - asm volatile("\t" ASM_STAC "\n" \ - "1:\t" insn "\n" \ - "2:\t" ASM_CLAC "\n" \ -@@ -20,15 +21,16 @@ - "\tjmp\t2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ -+ : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr)) \ - : "i" (-EFAULT), "0" (oparg), "1" (0)) - - #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 __user *, uaddr); \ - asm volatile("\t" ASM_STAC "\n" \ - "1:\tmovl %2, %0\n" \ - "\tmovl\t%0, %3\n" \ - "\t" insn "\n" \ -- "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \ -+ "2:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %3, %2\n" \ - "\tjnz\t1b\n" \ - "3:\t" ASM_CLAC "\n" \ - "\t.section .fixup,\"ax\"\n" \ -@@ -38,7 +40,7 @@ - _ASM_EXTABLE(1b, 4b) \ - _ASM_EXTABLE(2b, 4b) \ - : "=&a" (oldval), "=&r" (ret), \ -- "+m" (*uaddr), "=&r" (tem) \ -+ "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \ - : "r" (oparg), "i" (-EFAULT), "1" (0)) - - static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) -@@ -57,12 +59,13 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - - pagefault_disable(); - -+ pax_open_userland(); - switch (op) { - case FUTEX_OP_SET: -- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); -+ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ADD: -- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval, -+ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval, - uaddr, oparg); - break; - case FUTEX_OP_OR: -@@ -77,6 +80,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - default: - ret = -ENOSYS; - } -+ pax_close_userland(); - - pagefault_enable(); - -diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h -index e9571dd..df5f542 100644 ---- a/arch/x86/include/asm/hw_irq.h -+++ b/arch/x86/include/asm/hw_irq.h -@@ -160,8 +160,8 @@ static inline void unlock_vector_lock(void) {} - #endif /* CONFIG_X86_LOCAL_APIC */ - - /* Statistics */ --extern atomic_t irq_err_count; --extern atomic_t irq_mis_count; -+extern atomic_unchecked_t irq_err_count; -+extern atomic_unchecked_t irq_mis_count; - - /* EISA */ - extern void eisa_set_level_irq(unsigned int irq); -diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h -index ccffa53..3c90c87 100644 ---- a/arch/x86/include/asm/i8259.h -+++ b/arch/x86/include/asm/i8259.h -@@ -62,7 +62,7 @@ struct legacy_pic { - void (*init)(int auto_eoi); - int (*irq_pending)(unsigned int irq); - void (*make_irq)(unsigned int irq); --}; -+} __do_const; - - extern struct legacy_pic *legacy_pic; - extern struct legacy_pic null_legacy_pic; -diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h -index 34a5b93..27e40a6 100644 ---- a/arch/x86/include/asm/io.h -+++ b/arch/x86/include/asm/io.h -@@ -52,12 +52,12 @@ static inline void name(type val, volatile void __iomem *addr) \ - "m" (*(volatile type __force *)addr) barrier); } - - build_mmio_read(readb, "b", unsigned char, "=q", :"memory") --build_mmio_read(readw, "w", unsigned short, "=r", :"memory") --build_mmio_read(readl, "l", unsigned int, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readw, "w", unsigned short, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readl, "l", unsigned int, "=r", :"memory") - - build_mmio_read(__readb, "b", unsigned char, "=q", ) --build_mmio_read(__readw, "w", unsigned short, "=r", ) --build_mmio_read(__readl, "l", unsigned int, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readw, "w", unsigned short, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readl, "l", unsigned int, "=r", ) - - build_mmio_write(writeb, "b", unsigned char, "q", :"memory") - build_mmio_write(writew, "w", unsigned short, "r", :"memory") -@@ -113,7 +113,7 @@ build_mmio_write(writeq, "q", unsigned long, "r", :"memory") - * this function - */ - --static inline phys_addr_t virt_to_phys(volatile void *address) -+static inline phys_addr_t __intentional_overflow(-1) virt_to_phys(volatile void *address) - { - return __pa(address); - } -@@ -189,7 +189,7 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) - return ioremap_nocache(offset, size); - } - --extern void iounmap(volatile void __iomem *addr); -+extern void iounmap(const volatile void __iomem *addr); - - extern void set_iounmap_nonlazy(void); - -@@ -199,6 +199,17 @@ extern void set_iounmap_nonlazy(void); - - #include <linux/vmalloc.h> - -+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -+static inline int valid_phys_addr_range(unsigned long addr, size_t count) -+{ -+ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ -+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count) -+{ -+ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ - /* - * Convert a virtual cached pointer to an uncached pointer - */ -diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h -index b77f5ed..a2f791e 100644 ---- a/arch/x86/include/asm/irqflags.h -+++ b/arch/x86/include/asm/irqflags.h -@@ -137,6 +137,11 @@ static inline notrace unsigned long arch_local_irq_save(void) - swapgs; \ - sysretl - -+#define GET_CR0_INTO_RDI mov %cr0, %rdi -+#define SET_RDI_INTO_CR0 mov %rdi, %cr0 -+#define GET_CR3_INTO_RDI mov %cr3, %rdi -+#define SET_RDI_INTO_CR3 mov %rdi, %cr3 -+ - #else - #define INTERRUPT_RETURN iret - #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit -diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h -index 4421b5d..8543006 100644 ---- a/arch/x86/include/asm/kprobes.h -+++ b/arch/x86/include/asm/kprobes.h -@@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t; - #define RELATIVEJUMP_SIZE 5 - #define RELATIVECALL_OPCODE 0xe8 - #define RELATIVE_ADDR_SIZE 4 --#define MAX_STACK_SIZE 64 --#define MIN_STACK_SIZE(ADDR) \ -- (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) \ -- ? (MAX_STACK_SIZE) \ -- : (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) -+#define MAX_STACK_SIZE 64UL -+#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR)) - - #define flush_insn_slot(p) do { } while (0) - -diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h -index 4ad6560..75c7bdd 100644 ---- a/arch/x86/include/asm/local.h -+++ b/arch/x86/include/asm/local.h -@@ -10,33 +10,97 @@ typedef struct { - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - static inline void local_inc(local_t *l) - { -- asm volatile(_ASM_INC "%0" -+ asm volatile(_ASM_INC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_DEC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter)); -+} -+ -+static inline void local_inc_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_INC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_dec(local_t *l) - { -- asm volatile(_ASM_DEC "%0" -+ asm volatile(_ASM_DEC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_INC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter)); -+} -+ -+static inline void local_dec_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_DEC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_add(long i, local_t *l) - { -- asm volatile(_ASM_ADD "%1,%0" -+ asm volatile(_ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter) -+ : "ir" (i)); -+} -+ -+static inline void local_add_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_ADD "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } - - static inline void local_sub(long i, local_t *l) - { -- asm volatile(_ASM_SUB "%1,%0" -+ asm volatile(_ASM_SUB "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_ADD "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter) -+ : "ir" (i)); -+} -+ -+static inline void local_sub_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_SUB "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } -@@ -52,7 +116,7 @@ static inline void local_sub(long i, local_t *l) - */ - static inline int local_sub_and_test(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(_ASM_SUB, _ASM_ADD, l->a.counter, "er", i, "%0", "e"); - } - - /** -@@ -65,7 +129,7 @@ static inline int local_sub_and_test(long i, local_t *l) - */ - static inline int local_dec_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, "%0", "e"); -+ GEN_UNARY_RMWcc(_ASM_DEC, _ASM_INC, l->a.counter, "%0", "e"); - } - - /** -@@ -78,7 +142,7 @@ static inline int local_dec_and_test(local_t *l) - */ - static inline int local_inc_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, "%0", "e"); -+ GEN_UNARY_RMWcc(_ASM_INC, _ASM_DEC, l->a.counter, "%0", "e"); - } - - /** -@@ -92,7 +156,7 @@ static inline int local_inc_and_test(local_t *l) - */ - static inline int local_add_negative(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(_ASM_ADD, _ASM_SUB, l->a.counter, "er", i, "%0", "s"); - } - - /** -@@ -105,6 +169,30 @@ static inline int local_add_negative(long i, local_t *l) - static inline long local_add_return(long i, local_t *l) - { - long __i = i; -+ asm volatile(_ASM_XADD "%0, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_MOV "%0,%1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+r" (i), "+m" (l->a.counter) -+ : : "memory"); -+ return i + __i; -+} -+ -+/** -+ * local_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @l: pointer to type local_unchecked_t -+ * -+ * Atomically adds @i to @l and returns @i + @l -+ */ -+static inline long local_add_return_unchecked(long i, local_unchecked_t *l) -+{ -+ long __i = i; - asm volatile(_ASM_XADD "%0, %1;" - : "+r" (i), "+m" (l->a.counter) - : : "memory"); -@@ -121,6 +209,8 @@ static inline long local_sub_return(long i, local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - /* Always has a lock prefix */ - #define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) - -diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h -new file mode 100644 -index 0000000..2bfd3ba ---- /dev/null -+++ b/arch/x86/include/asm/mman.h -@@ -0,0 +1,15 @@ -+#ifndef _X86_MMAN_H -+#define _X86_MMAN_H -+ -+#include <uapi/asm/mman.h> -+ -+#ifdef __KERNEL__ -+#ifndef __ASSEMBLY__ -+#ifdef CONFIG_X86_32 -+#define arch_mmap_check i386_mmap_check -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags); -+#endif -+#endif -+#endif -+ -+#endif /* X86_MMAN_H */ -diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h -index 09b9620..923aecd 100644 ---- a/arch/x86/include/asm/mmu.h -+++ b/arch/x86/include/asm/mmu.h -@@ -9,7 +9,7 @@ - * we put the segment information here. - */ - typedef struct { -- void *ldt; -+ struct desc_struct *ldt; - int size; - - #ifdef CONFIG_X86_64 -@@ -18,7 +18,19 @@ typedef struct { - #endif - - struct mutex lock; -- void __user *vdso; -+ unsigned long vdso; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ unsigned long user_cs_base; -+ unsigned long user_cs_limit; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_t cpu_user_cs_mask; -+#endif -+ -+#endif -+#endif - - atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ - } mm_context_t; -diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h -index e997f70..5d819f7 100644 ---- a/arch/x86/include/asm/mmu_context.h -+++ b/arch/x86/include/asm/mmu_context.h -@@ -42,6 +42,20 @@ void destroy_context(struct mm_struct *mm); - - static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) - { -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!(static_cpu_has(X86_FEATURE_PCIDUDEREF))) { -+ unsigned int i; -+ pgd_t *pgd; -+ -+ pax_open_kernel(); -+ pgd = get_cpu_pgd(smp_processor_id(), kernel); -+ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i) -+ set_pgd_batched(pgd+i, native_make_pgd(0)); -+ pax_close_kernel(); -+ } -+#endif -+ - #ifdef CONFIG_SMP - if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) - this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY); -@@ -52,16 +66,59 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) - { - unsigned cpu = smp_processor_id(); -+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ int tlbstate = TLBSTATE_OK; -+#endif - - if (likely(prev != next)) { - #ifdef CONFIG_SMP -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ tlbstate = this_cpu_read(cpu_tlbstate.state); -+#endif - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - this_cpu_write(cpu_tlbstate.active_mm, next); - #endif - cpumask_set_cpu(cpu, mm_cpumask(next)); - - /* Re-load page tables */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) -+ __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd); -+ else -+#endif -+ -+ __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd); -+ __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd); -+ pax_close_kernel(); -+ BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK)); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ descriptor[0] = PCID_USER; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) { -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ } -+ } else { -+ write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ if (static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ else -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ } -+ } else -+#endif -+ -+ load_cr3(get_cpu_pgd(cpu, kernel)); -+#else - load_cr3(next->pgd); -+#endif - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); - - /* Stop flush ipis for the previous mm */ -@@ -84,9 +141,67 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - */ - if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ if (!(__supported_pte_mask & _PAGE_NX)) { -+ smp_mb__before_atomic(); -+ cpumask_clear_cpu(cpu, &prev->context.cpu_user_cs_mask); -+ smp_mb__after_atomic(); -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+ } -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base || -+ prev->context.user_cs_limit != next->context.user_cs_limit)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#ifdef CONFIG_SMP -+ else if (unlikely(tlbstate != TLBSTATE_OK)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+#endif -+ - } -+ else { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) -+ __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd); -+ else -+#endif -+ -+ __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd); -+ __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd); -+ pax_close_kernel(); -+ BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK)); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ descriptor[0] = PCID_USER; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) { -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ } -+ } else { -+ write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ if (static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ else -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ } -+ } else -+#endif -+ -+ load_cr3(get_cpu_pgd(cpu, kernel)); -+#endif -+ - #ifdef CONFIG_SMP -- else { - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next); - -@@ -103,13 +218,30 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - * tlb flush IPI delivery. We must reload CR3 - * to make sure to use no freed page tables. - */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(next->pgd); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); -+#endif -+ - load_mm_cr4(next); - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX))) -+#endif -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+ - } -+#endif - } --#endif - } - - #define activate_mm(prev, next) \ -diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h -index e3b7819..b257c64 100644 ---- a/arch/x86/include/asm/module.h -+++ b/arch/x86/include/asm/module.h -@@ -5,6 +5,7 @@ - - #ifdef CONFIG_X86_64 - /* X86_64 does not define MODULE_PROC_FAMILY */ -+#define MODULE_PROC_FAMILY "" - #elif defined CONFIG_M486 - #define MODULE_PROC_FAMILY "486 " - #elif defined CONFIG_M586 -@@ -57,8 +58,20 @@ - #error unknown processor family - #endif - --#ifdef CONFIG_X86_32 --# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS " -+#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR) -+#define MODULE_PAX_KERNEXEC "KERNEXEC_OR " -+#else -+#define MODULE_PAX_KERNEXEC "" - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define MODULE_PAX_UDEREF "UDEREF " -+#else -+#define MODULE_PAX_UDEREF "" -+#endif -+ -+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF -+ - #endif /* _ASM_X86_MODULE_H */ -diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h -index 5f2fc44..106caa6 100644 ---- a/arch/x86/include/asm/nmi.h -+++ b/arch/x86/include/asm/nmi.h -@@ -36,26 +36,35 @@ enum { - - typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *); - -+struct nmiaction; -+ -+struct nmiwork { -+ const struct nmiaction *action; -+ u64 max_duration; -+ struct irq_work irq_work; -+}; -+ - struct nmiaction { - struct list_head list; - nmi_handler_t handler; -- u64 max_duration; -- struct irq_work irq_work; - unsigned long flags; - const char *name; --}; -+ struct nmiwork *work; -+} __do_const; - - #define register_nmi_handler(t, fn, fg, n, init...) \ - ({ \ -- static struct nmiaction init fn##_na = { \ -+ static struct nmiwork fn##_nw; \ -+ static const struct nmiaction init fn##_na = { \ - .handler = (fn), \ - .name = (n), \ - .flags = (fg), \ -+ .work = &fn##_nw, \ - }; \ - __register_nmi_handler((t), &fn##_na); \ - }) - --int __register_nmi_handler(unsigned int, struct nmiaction *); -+int __register_nmi_handler(unsigned int, const struct nmiaction *); - - void unregister_nmi_handler(unsigned int, const char *); - -diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h -index 802dde3..9183e68 100644 ---- a/arch/x86/include/asm/page.h -+++ b/arch/x86/include/asm/page.h -@@ -52,6 +52,7 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - __phys_addr_symbol(__phys_reloc_hide((unsigned long)(x))) - - #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) -+#define __early_va(x) ((void *)((unsigned long)(x)+__START_KERNEL_map - phys_base)) - - #define __boot_va(x) __va(x) - #define __boot_pa(x) __pa(x) -@@ -60,11 +61,21 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - * virt_to_page(kaddr) returns a valid pointer if and only if - * virt_addr_valid(kaddr) returns true. - */ --#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) - #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) - extern bool __virt_addr_valid(unsigned long kaddr); - #define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr)) - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+#define virt_to_page(kaddr) \ -+ ({ \ -+ const void *__kaddr = (const void *)(kaddr); \ -+ BUG_ON(!virt_addr_valid(__kaddr)); \ -+ pfn_to_page(__pa(__kaddr) >> PAGE_SHIFT); \ -+ }) -+#else -+#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -+#endif -+ - #endif /* __ASSEMBLY__ */ - - #include <asm-generic/memory_model.h> -diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h -index 904f528..b4d0d24 100644 ---- a/arch/x86/include/asm/page_32.h -+++ b/arch/x86/include/asm/page_32.h -@@ -7,11 +7,17 @@ - - #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); - #else --#define __phys_addr(x) __phys_addr_nodebug(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) -+{ -+ return __phys_addr_nodebug(x); -+} - #endif --#define __phys_addr_symbol(x) __phys_addr(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return __phys_addr(x); -+} - #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) - - #ifdef CONFIG_FLATMEM -diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h -index b3bebf9..cb419e7 100644 ---- a/arch/x86/include/asm/page_64.h -+++ b/arch/x86/include/asm/page_64.h -@@ -7,9 +7,9 @@ - - /* duplicated to the one in bootmem.h */ - extern unsigned long max_pfn; --extern unsigned long phys_base; -+extern const unsigned long phys_base; - --static inline unsigned long __phys_addr_nodebug(unsigned long x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_nodebug(unsigned long x) - { - unsigned long y = x - __START_KERNEL_map; - -@@ -20,12 +20,14 @@ static inline unsigned long __phys_addr_nodebug(unsigned long x) - } - - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); --extern unsigned long __phys_addr_symbol(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long); - #else - #define __phys_addr(x) __phys_addr_nodebug(x) --#define __phys_addr_symbol(x) \ -- ((unsigned long)(x) - __START_KERNEL_map + phys_base) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return x - __START_KERNEL_map + phys_base; -+} - #endif - - #define __phys_reloc_hide(x) (x) -diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h -index 8957810..f34efb4 100644 ---- a/arch/x86/include/asm/paravirt.h -+++ b/arch/x86/include/asm/paravirt.h -@@ -560,7 +560,7 @@ static inline pmd_t __pmd(pmdval_t val) - return (pmd_t) { ret }; - } - --static inline pmdval_t pmd_val(pmd_t pmd) -+static inline __intentional_overflow(-1) pmdval_t pmd_val(pmd_t pmd) - { - pmdval_t ret; - -@@ -626,6 +626,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) - val); - } - -+static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ -+ pgdval_t val = native_pgd_val(pgd); -+ -+ if (sizeof(pgdval_t) > sizeof(long)) -+ PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp, -+ val, (u64)val >> 32); -+ else -+ PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp, -+ val); -+} -+ - static inline void pgd_clear(pgd_t *pgdp) - { - set_pgd(pgdp, __pgd(0)); -@@ -710,6 +722,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, - pv_mmu_ops.set_fixmap(idx, phys, flags); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel); -+} -+ -+static inline unsigned long pax_close_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel); -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) - - static __always_inline void __ticket_lock_spinning(struct arch_spinlock *lock, -@@ -906,7 +933,7 @@ extern void default_banner(void); - - #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4) - #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4) --#define PARA_INDIRECT(addr) *%cs:addr -+#define PARA_INDIRECT(addr) *%ss:addr - #endif - - #define INTERRUPT_RETURN \ -@@ -976,6 +1003,21 @@ extern void default_banner(void); - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \ - CLBR_NONE, \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64)) -+ -+#define GET_CR0_INTO_RDI \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR0 \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+ -+#define GET_CR3_INTO_RDI \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR3 \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3) -+ - #endif /* CONFIG_X86_32 */ - - #endif /* __ASSEMBLY__ */ -diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h -index f7b0b5c..cdd33f9 100644 ---- a/arch/x86/include/asm/paravirt_types.h -+++ b/arch/x86/include/asm/paravirt_types.h -@@ -84,7 +84,7 @@ struct pv_init_ops { - */ - unsigned (*patch)(u8 type, u16 clobber, void *insnbuf, - unsigned long addr, unsigned len); --}; -+} __no_const __no_randomize_layout; - - - struct pv_lazy_ops { -@@ -92,13 +92,13 @@ struct pv_lazy_ops { - void (*enter)(void); - void (*leave)(void); - void (*flush)(void); --}; -+} __no_randomize_layout; - - struct pv_time_ops { - unsigned long long (*sched_clock)(void); - unsigned long long (*steal_clock)(int cpu); - unsigned long (*get_tsc_khz)(void); --}; -+} __no_const __no_randomize_layout; - - struct pv_cpu_ops { - /* hooks for various privileged instructions */ -@@ -192,7 +192,7 @@ struct pv_cpu_ops { - - void (*start_context_switch)(struct task_struct *prev); - void (*end_context_switch)(struct task_struct *next); --}; -+} __no_const __no_randomize_layout; - - struct pv_irq_ops { - /* -@@ -215,7 +215,7 @@ struct pv_irq_ops { - #ifdef CONFIG_X86_64 - void (*adjust_exception_frame)(void); - #endif --}; -+} __no_randomize_layout; - - struct pv_apic_ops { - #ifdef CONFIG_X86_LOCAL_APIC -@@ -223,7 +223,7 @@ struct pv_apic_ops { - unsigned long start_eip, - unsigned long start_esp); - #endif --}; -+} __no_const __no_randomize_layout; - - struct pv_mmu_ops { - unsigned long (*read_cr2)(void); -@@ -313,6 +313,7 @@ struct pv_mmu_ops { - struct paravirt_callee_save make_pud; - - void (*set_pgd)(pgd_t *pudp, pgd_t pgdval); -+ void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval); - #endif /* CONFIG_PGTABLE_LEVELS == 4 */ - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -@@ -324,7 +325,13 @@ struct pv_mmu_ops { - an mfn. We can tell which is which from the index. */ - void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, - phys_addr_t phys, pgprot_t flags); --}; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long (*pax_open_kernel)(void); -+ unsigned long (*pax_close_kernel)(void); -+#endif -+ -+} __no_randomize_layout; - - struct arch_spinlock; - #ifdef CONFIG_SMP -@@ -336,11 +343,14 @@ typedef u16 __ticket_t; - struct pv_lock_ops { - struct paravirt_callee_save lock_spinning; - void (*unlock_kick)(struct arch_spinlock *lock, __ticket_t ticket); --}; -+} __no_randomize_layout; - - /* This contains all the paravirt structures: we get a convenient - * number for each function using the offset which we use to indicate -- * what to patch. */ -+ * what to patch. -+ * shouldn't be randomized due to the "NEAT TRICK" in paravirt.c -+ */ -+ - struct paravirt_patch_template { - struct pv_init_ops pv_init_ops; - struct pv_time_ops pv_time_ops; -@@ -349,7 +359,7 @@ struct paravirt_patch_template { - struct pv_apic_ops pv_apic_ops; - struct pv_mmu_ops pv_mmu_ops; - struct pv_lock_ops pv_lock_ops; --}; -+} __no_randomize_layout; - - extern struct pv_info pv_info; - extern struct pv_init_ops pv_init_ops; -diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h -index bf7f8b5..ca5799d 100644 ---- a/arch/x86/include/asm/pgalloc.h -+++ b/arch/x86/include/asm/pgalloc.h -@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, - pmd_t *pmd, pte_t *pte) - { - paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); -+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE)); -+} -+ -+static inline void pmd_populate_user(struct mm_struct *mm, -+ pmd_t *pmd, pte_t *pte) -+{ -+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); - set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE)); - } - -@@ -108,12 +115,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, - - #ifdef CONFIG_X86_PAE - extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) -+{ -+ pud_populate(mm, pudp, pmd); -+} - #else /* !CONFIG_X86_PAE */ - static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); - set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); -+ set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd))); -+} - #endif /* CONFIG_X86_PAE */ - - #if CONFIG_PGTABLE_LEVELS > 3 -@@ -123,6 +140,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) - set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -+{ -+ paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT); -+ set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud))); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); -diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h -index fd74a11..35fd5af 100644 ---- a/arch/x86/include/asm/pgtable-2level.h -+++ b/arch/x86/include/asm/pgtable-2level.h -@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h -index cdaa58c..e61122b 100644 ---- a/arch/x86/include/asm/pgtable-3level.h -+++ b/arch/x86/include/asm/pgtable-3level.h -@@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd)); -+ pax_close_kernel(); - } - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pudp), native_pud_val(pud)); -+ pax_close_kernel(); - } - - /* -diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h -index fe57e7a..0573d42 100644 ---- a/arch/x86/include/asm/pgtable.h -+++ b/arch/x86/include/asm/pgtable.h -@@ -47,6 +47,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #ifndef __PAGETABLE_PUD_FOLDED - #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) -+#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd) - #define pgd_clear(pgd) native_pgd_clear(pgd) - #endif - -@@ -84,12 +85,53 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #define arch_end_context_switch(prev) do {} while(0) - -+#define pax_open_kernel() native_pax_open_kernel() -+#define pax_close_kernel() native_pax_close_kernel() - #endif /* CONFIG_PARAVIRT */ - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long native_pax_open_kernel(void) -+{ -+ unsigned long cr0; -+ -+ preempt_disable(); -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(cr0 & X86_CR0_WP); -+ write_cr0(cr0); -+ barrier(); -+ return cr0 ^ X86_CR0_WP; -+} -+ -+static inline unsigned long native_pax_close_kernel(void) -+{ -+ unsigned long cr0; -+ -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(!(cr0 & X86_CR0_WP)); -+ write_cr0(cr0); -+ barrier(); -+ preempt_enable_no_resched(); -+ return cr0 ^ X86_CR0_WP; -+} -+#else -+static inline unsigned long native_pax_open_kernel(void) { return 0; } -+static inline unsigned long native_pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -+static inline int pte_user(pte_t pte) -+{ -+ return pte_val(pte) & _PAGE_USER; -+} -+ - static inline int pte_dirty(pte_t pte) - { - return pte_flags(pte) & _PAGE_DIRTY; -@@ -150,6 +192,11 @@ static inline unsigned long pud_pfn(pud_t pud) - return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT; - } - -+static inline unsigned long pgd_pfn(pgd_t pgd) -+{ -+ return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; -+} -+ - #define pte_page(pte) pfn_to_page(pte_pfn(pte)) - - static inline int pmd_large(pmd_t pte) -@@ -203,9 +250,29 @@ static inline pte_t pte_wrprotect(pte_t pte) - return pte_clear_flags(pte, _PAGE_RW); - } - -+static inline pte_t pte_mkread(pte_t pte) -+{ -+ return __pte(pte_val(pte) | _PAGE_USER); -+} -+ - static inline pte_t pte_mkexec(pte_t pte) - { -- return pte_clear_flags(pte, _PAGE_NX); -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_clear_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_set_flags(pte, _PAGE_USER); -+} -+ -+static inline pte_t pte_exprotect(pte_t pte) -+{ -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_set_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_clear_flags(pte, _PAGE_USER); - } - - static inline pte_t pte_mkdirty(pte_t pte) -@@ -420,6 +487,16 @@ pte_t *populate_extra_pte(unsigned long vaddr); - #endif - - #ifndef __ASSEMBLY__ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern pgd_t cpu_pgd[NR_CPUS][2][PTRS_PER_PGD]; -+enum cpu_pgd_type {kernel = 0, user = 1}; -+static inline pgd_t *get_cpu_pgd(unsigned int cpu, enum cpu_pgd_type type) -+{ -+ return cpu_pgd[cpu][type]; -+} -+#endif -+ - #include <linux/mm_types.h> - #include <linux/mmdebug.h> - #include <linux/log2.h> -@@ -571,7 +648,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) - * Currently stuck as a macro due to indirect forward reference to - * linux/mmzone.h's __section_mem_map_addr() definition: - */ --#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) -+#define pud_page(pud) pfn_to_page((pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT) - - /* Find an entry in the second-level page table.. */ - static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) -@@ -611,7 +688,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) - * Currently stuck as a macro due to indirect forward reference to - * linux/mmzone.h's __section_mem_map_addr() definition: - */ --#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) -+#define pgd_page(pgd) pfn_to_page((pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT) - - /* to find an entry in a page-table-directory. */ - static inline unsigned long pud_index(unsigned long address) -@@ -626,7 +703,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) - - static inline int pgd_bad(pgd_t pgd) - { -- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; -+ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE; - } - - static inline int pgd_none(pgd_t pgd) -@@ -649,7 +726,12 @@ static inline int pgd_none(pgd_t pgd) - * pgd_offset() returns a (pgd_t *) - * pgd_index() is used get the offset into the pgd page's array of pgd_t's; - */ --#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address))) -+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+#define pgd_offset_cpu(cpu, type, address) (get_cpu_pgd(cpu, type) + pgd_index(address)) -+#endif -+ - /* - * a shortcut which implies the use of the kernel's pgd, instead - * of a process's -@@ -660,6 +742,25 @@ static inline int pgd_none(pgd_t pgd) - #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) - #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) - -+#ifdef CONFIG_X86_32 -+#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY -+#else -+#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT -+#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT)) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef __ASSEMBLY__ -+#define pax_user_shadow_base pax_user_shadow_base(%rip) -+#else -+extern unsigned long pax_user_shadow_base; -+extern pgdval_t clone_pgd_mask; -+#endif -+#else -+#define pax_user_shadow_base (0UL) -+#endif -+ -+#endif -+ - #ifndef __ASSEMBLY__ - - extern int direct_gbpages; -@@ -826,11 +927,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, - * dst and src can be on the same page, but the range must not overlap, - * and must not cross a page boundary. - */ --static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) -+static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count) - { -- memcpy(dst, src, count * sizeof(pgd_t)); -+ pax_open_kernel(); -+ while (count--) -+ *dst++ = *src++; -+ pax_close_kernel(); - } - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src); -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src); -+#else -+static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {} -+#endif -+ - #define PTE_SHIFT ilog2(PTRS_PER_PTE) - static inline int page_level_shift(enum pg_level level) - { -diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h -index b6c0b40..3535d47 100644 ---- a/arch/x86/include/asm/pgtable_32.h -+++ b/arch/x86/include/asm/pgtable_32.h -@@ -25,9 +25,6 @@ - struct mm_struct; - struct vm_area_struct; - --extern pgd_t swapper_pg_dir[1024]; --extern pgd_t initial_page_table[1024]; -- - static inline void pgtable_cache_init(void) { } - static inline void check_pgt_cache(void) { } - void paging_init(void); -@@ -45,6 +42,12 @@ void paging_init(void); - # include <asm/pgtable-2level.h> - #endif - -+extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -+extern pgd_t initial_page_table[PTRS_PER_PGD]; -+#ifdef CONFIG_X86_PAE -+extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD]; -+#endif -+ - #if defined(CONFIG_HIGHPTE) - #define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \ -@@ -59,12 +62,17 @@ void paging_init(void); - /* Clear a kernel PTE and flush it from the TLB */ - #define kpte_clear_flush(ptep, vaddr) \ - do { \ -+ pax_open_kernel(); \ - pte_clear(&init_mm, (vaddr), (ptep)); \ -+ pax_close_kernel(); \ - __flush_tlb_one((vaddr)); \ - } while (0) - - #endif /* !__ASSEMBLY__ */ - -+#define HAVE_ARCH_UNMAPPED_AREA -+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN -+ - /* - * kern_addr_valid() is (1) for FLATMEM and (0) for - * SPARSEMEM and DISCONTIGMEM -diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h -index 9fb2f2b..b04b4bf 100644 ---- a/arch/x86/include/asm/pgtable_32_types.h -+++ b/arch/x86/include/asm/pgtable_32_types.h -@@ -8,7 +8,7 @@ - */ - #ifdef CONFIG_X86_PAE - # include <asm/pgtable-3level_types.h> --# define PMD_SIZE (1UL << PMD_SHIFT) -+# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) - # define PMD_MASK (~(PMD_SIZE - 1)) - #else - # include <asm/pgtable-2level_types.h> -@@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */ - # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+#ifndef __ASSEMBLY__ -+extern unsigned char MODULES_EXEC_VADDR[]; -+extern unsigned char MODULES_EXEC_END[]; -+#endif -+#include <asm/boot.h> -+#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET) -+#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET) -+#else -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+#endif -+ - #define MODULES_VADDR VMALLOC_START - #define MODULES_END VMALLOC_END - #define MODULES_LEN (MODULES_VADDR - MODULES_END) -diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h -index 2ee7811..55aca24 100644 ---- a/arch/x86/include/asm/pgtable_64.h -+++ b/arch/x86/include/asm/pgtable_64.h -@@ -16,11 +16,16 @@ - - extern pud_t level3_kernel_pgt[512]; - extern pud_t level3_ident_pgt[512]; -+extern pud_t level3_vmalloc_start_pgt[512]; -+extern pud_t level3_vmalloc_end_pgt[512]; -+extern pud_t level3_vmemmap_pgt[512]; -+extern pud_t level2_vmemmap_pgt[512]; - extern pmd_t level2_kernel_pgt[512]; - extern pmd_t level2_fixmap_pgt[512]; --extern pmd_t level2_ident_pgt[512]; --extern pte_t level1_fixmap_pgt[512]; --extern pgd_t init_level4_pgt[]; -+extern pmd_t level2_ident_pgt[2][512]; -+extern pte_t level1_fixmap_pgt[3][512]; -+extern pte_t level1_vsyscall_pgt[512]; -+extern pgd_t init_level4_pgt[512]; - - #define swapper_pg_dir init_level4_pgt - -@@ -62,7 +67,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_pmd_clear(pmd_t *pmd) -@@ -98,7 +105,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - *pudp = pud; -+ pax_close_kernel(); - } - - static inline void native_pud_clear(pud_t *pud) -@@ -108,6 +117,13 @@ static inline void native_pud_clear(pud_t *pud) - - static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) - { -+ pax_open_kernel(); -+ *pgdp = pgd; -+ pax_close_kernel(); -+} -+ -+static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ - *pgdp = pgd; - } - -diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h -index e6844df..432b56e 100644 ---- a/arch/x86/include/asm/pgtable_64_types.h -+++ b/arch/x86/include/asm/pgtable_64_types.h -@@ -60,11 +60,16 @@ typedef struct { pteval_t pte; } pte_t; - #define MODULES_VADDR (__START_KERNEL_map + KERNEL_IMAGE_SIZE) - #define MODULES_END _AC(0xffffffffff000000, UL) - #define MODULES_LEN (MODULES_END - MODULES_VADDR) -+#define MODULES_EXEC_VADDR MODULES_VADDR -+#define MODULES_EXEC_END MODULES_END - #define ESPFIX_PGD_ENTRY _AC(-2, UL) - #define ESPFIX_BASE_ADDR (ESPFIX_PGD_ENTRY << PGDIR_SHIFT) - #define EFI_VA_START ( -4 * (_AC(1, UL) << 30)) - #define EFI_VA_END (-68 * (_AC(1, UL) << 30)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #define EARLY_DYNAMIC_PAGE_TABLES 64 - - #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ -diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h -index 78f0c8c..4424bb0 100644 ---- a/arch/x86/include/asm/pgtable_types.h -+++ b/arch/x86/include/asm/pgtable_types.h -@@ -85,8 +85,10 @@ - - #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) --#else -+#elif defined(CONFIG_KMEMCHECK) || defined(CONFIG_MEM_SOFT_DIRTY) - #define _PAGE_NX (_AT(pteval_t, 0)) -+#else -+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN) - #endif - - #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) -@@ -141,6 +143,9 @@ enum page_cache_mode { - #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -+#define PAGE_READONLY_NOEXEC PAGE_READONLY -+#define PAGE_SHARED_NOEXEC PAGE_SHARED -+ - #define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) - #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) -@@ -148,7 +153,7 @@ enum page_cache_mode { - #define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) - #define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) - #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_NOCACHE) --#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) -+#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) - #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) -@@ -194,7 +199,7 @@ enum page_cache_mode { - #ifdef CONFIG_X86_64 - #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC - #else --#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -+#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ - #endif -@@ -233,7 +238,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd) - { - return native_pgd_val(pgd) & PTE_FLAGS_MASK; - } -+#endif - -+#if CONFIG_PGTABLE_LEVELS == 3 -+#include <asm-generic/pgtable-nopud.h> -+#endif -+ -+#if CONFIG_PGTABLE_LEVELS == 2 -+#include <asm-generic/pgtable-nopmd.h> -+#endif -+ -+#ifndef __ASSEMBLY__ - #if CONFIG_PGTABLE_LEVELS > 3 - typedef struct { pudval_t pud; } pud_t; - -@@ -247,8 +262,6 @@ static inline pudval_t native_pud_val(pud_t pud) - return pud.pud; - } - #else --#include <asm-generic/pgtable-nopud.h> -- - static inline pudval_t native_pud_val(pud_t pud) - { - return native_pgd_val(pud.pgd); -@@ -268,8 +281,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd) - return pmd.pmd; - } - #else --#include <asm-generic/pgtable-nopmd.h> -- - static inline pmdval_t native_pmd_val(pmd_t pmd) - { - return native_pgd_val(pmd.pud.pgd); -@@ -362,7 +373,6 @@ typedef struct page *pgtable_t; - - extern pteval_t __supported_pte_mask; - extern void set_nx(void); --extern int nx_enabled; - - #define pgprot_writecombine pgprot_writecombine - extern pgprot_t pgprot_writecombine(pgprot_t prot); -diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h -index 8f327184..368fb29 100644 ---- a/arch/x86/include/asm/preempt.h -+++ b/arch/x86/include/asm/preempt.h -@@ -84,7 +84,7 @@ static __always_inline void __preempt_count_sub(int val) - */ - static __always_inline bool __preempt_count_dec_and_test(void) - { -- GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), "e"); -+ GEN_UNARY_RMWcc("decl", "incl", __preempt_count, __percpu_arg(0), "e"); - } - - /* -diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h -index 23ba676..6584489 100644 ---- a/arch/x86/include/asm/processor.h -+++ b/arch/x86/include/asm/processor.h -@@ -130,7 +130,7 @@ struct cpuinfo_x86 { - /* Index into per_cpu list: */ - u16 cpu_index; - u32 microcode; --}; -+} __randomize_layout; - - #define X86_VENDOR_INTEL 0 - #define X86_VENDOR_CYRIX 1 -@@ -201,9 +201,21 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, - : "memory"); - } - -+/* invpcid (%rdx),%rax */ -+#define __ASM_INVPCID ".byte 0x66,0x0f,0x38,0x82,0x02" -+ -+#define INVPCID_SINGLE_ADDRESS 0UL -+#define INVPCID_SINGLE_CONTEXT 1UL -+#define INVPCID_ALL_GLOBAL 2UL -+#define INVPCID_ALL_NONGLOBAL 3UL -+ -+#define PCID_KERNEL 0UL -+#define PCID_USER 1UL -+#define PCID_NOFLUSH (1UL << 63) -+ - static inline void load_cr3(pgd_t *pgdir) - { -- write_cr3(__pa(pgdir)); -+ write_cr3(__pa(pgdir) | PCID_KERNEL); - } - - #ifdef CONFIG_X86_32 -@@ -300,7 +312,7 @@ struct tss_struct { - - } ____cacheline_aligned; - --DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss); -+extern struct tss_struct cpu_tss[NR_CPUS]; - - #ifdef CONFIG_X86_32 - DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); -@@ -500,6 +512,7 @@ struct thread_struct { - unsigned short ds; - unsigned short fsindex; - unsigned short gsindex; -+ unsigned short ss; - #endif - #ifdef CONFIG_X86_32 - unsigned long ip; -@@ -585,10 +598,10 @@ static inline void native_swapgs(void) - #endif - } - --static inline unsigned long current_top_of_stack(void) -+static inline unsigned long current_top_of_stack(unsigned int cpu) - { - #ifdef CONFIG_X86_64 -- return this_cpu_read_stable(cpu_tss.x86_tss.sp0); -+ return cpu_tss[cpu].x86_tss.sp0; - #else - /* sp0 on x86_32 is special in and around vm86 mode. */ - return this_cpu_read_stable(cpu_current_top_of_stack); -@@ -837,8 +850,15 @@ static inline void spin_lock_prefetch(const void *x) - */ - #define TASK_SIZE PAGE_OFFSET - #define TASK_SIZE_MAX TASK_SIZE -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2) -+#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE) -+#else - #define STACK_TOP TASK_SIZE --#define STACK_TOP_MAX STACK_TOP -+#endif -+ -+#define STACK_TOP_MAX TASK_SIZE - - #define INIT_THREAD { \ - .sp0 = TOP_OF_INIT_STACK, \ -@@ -859,12 +879,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - * "struct pt_regs" is possible, but they may contain the - * completely wrong values. - */ --#define task_pt_regs(task) \ --({ \ -- unsigned long __ptr = (unsigned long)task_stack_page(task); \ -- __ptr += THREAD_SIZE - TOP_OF_KERNEL_STACK_PADDING; \ -- ((struct pt_regs *)__ptr) - 1; \ --}) -+#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) - - #define KSTK_ESP(task) (task_pt_regs(task)->sp) - -@@ -878,13 +893,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - * particular problem by preventing anything from being mapped - * at the maximum canonical address. - */ --#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE) -+#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE) - - /* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ - #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \ -- 0xc0000000 : 0xFFFFe000) -+ 0xc0000000 : 0xFFFFf000) - - #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \ - IA32_PAGE_OFFSET : TASK_SIZE_MAX) -@@ -918,6 +933,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, - */ - #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3)) -+#endif -+ - #define KSTK_EIP(task) (task_pt_regs(task)->ip) - - /* Get/set a process' ability to use the timestamp counter instruction */ -@@ -962,7 +981,7 @@ static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves) - return 0; - } - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - extern void free_init_pages(char *what, unsigned long begin, unsigned long end); - - void default_idle(void); -@@ -972,6 +991,6 @@ bool xen_set_default_idle(void); - #define xen_set_default_idle 0 - #endif - --void stop_this_cpu(void *dummy); -+void stop_this_cpu(void *dummy) __noreturn; - void df_debug(struct pt_regs *regs, long error_code); - #endif /* _ASM_X86_PROCESSOR_H */ -diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h -index 5fabf13..7388158 100644 ---- a/arch/x86/include/asm/ptrace.h -+++ b/arch/x86/include/asm/ptrace.h -@@ -125,15 +125,16 @@ static inline int v8086_mode(struct pt_regs *regs) - #ifdef CONFIG_X86_64 - static inline bool user_64bit_mode(struct pt_regs *regs) - { -+ unsigned long cs = regs->cs & 0xffff; - #ifndef CONFIG_PARAVIRT - /* - * On non-paravirt systems, this is the only long mode CPL 3 - * selector. We do not allow long mode selectors in the LDT. - */ -- return regs->cs == __USER_CS; -+ return cs == __USER_CS; - #else - /* Headers are too twisted for this to go in paravirt.h. */ -- return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; -+ return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs; - #endif - } - -@@ -180,9 +181,11 @@ static inline unsigned long regs_get_register(struct pt_regs *regs, - * Traps from the kernel do not save sp and ss. - * Use the helper function to retrieve sp. - */ -- if (offset == offsetof(struct pt_regs, sp) && -- regs->cs == __KERNEL_CS) -- return kernel_stack_pointer(regs); -+ if (offset == offsetof(struct pt_regs, sp)) { -+ unsigned long cs = regs->cs & 0xffff; -+ if (cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) -+ return kernel_stack_pointer(regs); -+ } - #endif - return *(unsigned long *)((unsigned long)regs + offset); - } -diff --git a/arch/x86/include/asm/qrwlock.h b/arch/x86/include/asm/qrwlock.h -index ae0e241..e80b10b 100644 ---- a/arch/x86/include/asm/qrwlock.h -+++ b/arch/x86/include/asm/qrwlock.h -@@ -7,8 +7,8 @@ - #define queue_write_unlock queue_write_unlock - static inline void queue_write_unlock(struct qrwlock *lock) - { -- barrier(); -- ACCESS_ONCE(*(u8 *)&lock->cnts) = 0; -+ barrier(); -+ ACCESS_ONCE_RW(*(u8 *)&lock->cnts) = 0; - } - #endif - -diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h -index 9c6b890..5305f53 100644 ---- a/arch/x86/include/asm/realmode.h -+++ b/arch/x86/include/asm/realmode.h -@@ -22,16 +22,14 @@ struct real_mode_header { - #endif - /* APM/BIOS reboot */ - u32 machine_real_restart_asm; --#ifdef CONFIG_X86_64 - u32 machine_real_restart_seg; --#endif - }; - - /* This must match data at trampoline_32/64.S */ - struct trampoline_header { - #ifdef CONFIG_X86_32 - u32 start; -- u16 gdt_pad; -+ u16 boot_cs; - u16 gdt_limit; - u32 gdt_base; - #else -diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h -index a82c4f1..ac45053 100644 ---- a/arch/x86/include/asm/reboot.h -+++ b/arch/x86/include/asm/reboot.h -@@ -6,13 +6,13 @@ - struct pt_regs; - - struct machine_ops { -- void (*restart)(char *cmd); -- void (*halt)(void); -- void (*power_off)(void); -+ void (* __noreturn restart)(char *cmd); -+ void (* __noreturn halt)(void); -+ void (* __noreturn power_off)(void); - void (*shutdown)(void); - void (*crash_shutdown)(struct pt_regs *); -- void (*emergency_restart)(void); --}; -+ void (* __noreturn emergency_restart)(void); -+} __no_const; - - extern struct machine_ops machine_ops; - -diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h -index 8f7866a..e442f20 100644 ---- a/arch/x86/include/asm/rmwcc.h -+++ b/arch/x86/include/asm/rmwcc.h -@@ -3,7 +3,34 @@ - - #ifdef CC_HAVE_ASM_GOTO - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ asm_volatile_goto (fullop \ -+ ";jno 0f\n" \ -+ fullantiop \ -+ ";int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ ";j" cc " %l[cc_label]" \ -+ : : "m" (var), ## __VA_ARGS__ \ -+ : "memory" : cc_label); \ -+ return 0; \ -+cc_label: \ -+ return 1; \ -+} while (0) -+#else -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ asm_volatile_goto (fullop ";j" cc " %l[cc_label]" \ -+ : : "m" (var), ## __VA_ARGS__ \ -+ : "memory" : cc_label); \ -+ return 0; \ -+cc_label: \ -+ return 1; \ -+} while (0) -+#endif -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \ - : : "m" (var), ## __VA_ARGS__ \ -@@ -13,15 +40,46 @@ cc_label: \ - return 1; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val)) -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %1, " arg0, antiop " %1, " arg0, var, cc, vcon (val)) -+ -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %1, " arg0, var, cc, vcon (val)) - - #else /* !CC_HAVE_ASM_GOTO */ - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ char c; \ -+ asm volatile (fullop \ -+ ";jno 0f\n" \ -+ fullantiop \ -+ ";int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ "; set" cc " %1" \ -+ : "+m" (var), "=qm" (c) \ -+ : __VA_ARGS__ : "memory"); \ -+ return c != 0; \ -+} while (0) -+#else -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ char c; \ -+ asm volatile (fullop "; set" cc " %1" \ -+ : "+m" (var), "=qm" (c) \ -+ : __VA_ARGS__ : "memory"); \ -+ return c != 0; \ -+} while (0) -+#endif -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - char c; \ - asm volatile (fullop "; set" cc " %1" \ -@@ -30,11 +88,17 @@ do { \ - return c != 0; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc) -+ -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %2, " arg0, antiop " %2, " arg0, var, cc, vcon (val)) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val)) -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %2, " arg0, var, cc, vcon (val)) - - #endif /* CC_HAVE_ASM_GOTO */ - -diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h -index cad82c9..2e5c5c1 100644 ---- a/arch/x86/include/asm/rwsem.h -+++ b/arch/x86/include/asm/rwsem.h -@@ -64,6 +64,14 @@ static inline void __down_read(struct rw_semaphore *sem) - { - asm volatile("# beginning down_read\n\t" - LOCK_PREFIX _ASM_INC "(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_DEC "(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0x00000001 */ - " jns 1f\n" - " call call_rwsem_down_read_failed\n" -@@ -85,6 +93,14 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) - "1:\n\t" - " mov %1,%2\n\t" - " add %3,%2\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %3,%2\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - " jle 2f\n\t" - LOCK_PREFIX " cmpxchg %2,%0\n\t" - " jnz 1b\n\t" -@@ -104,6 +120,14 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) - long tmp; - asm volatile("# beginning down_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0xffff0001, returns the old value */ - " test " __ASM_SEL(%w1,%k1) "," __ASM_SEL(%w1,%k1) "\n\t" - /* was the active mask 0 before? */ -@@ -155,6 +179,14 @@ static inline void __up_read(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_read\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 1, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -173,6 +205,14 @@ static inline void __up_write(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 0xffff0001, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -190,6 +230,14 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - { - asm volatile("# beginning __downgrade_write\n\t" - LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%2,(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* - * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386) - * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64) -@@ -208,7 +256,15 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - */ - static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) - { -- asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0" -+ asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (sem->count) - : "er" (delta)); - } -@@ -218,7 +274,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) - */ - static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) - { -- return delta + xadd(&sem->count, delta); -+ return delta + xadd_check_overflow(&sem->count, delta); - } - - #endif /* __KERNEL__ */ -diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h -index 7d5a192..23ef1aa 100644 ---- a/arch/x86/include/asm/segment.h -+++ b/arch/x86/include/asm/segment.h -@@ -82,14 +82,20 @@ - * 26 - ESPFIX small SS - * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - stack_canary-20 [ for stack protector ] <=== cacheline #8 -- * 29 - unused -- * 30 - unused -+ * 29 - PCI BIOS CS -+ * 30 - PCI BIOS DS - * 31 - TSS for double fault handler - */ -+#define GDT_ENTRY_KERNEXEC_EFI_CS (1) -+#define GDT_ENTRY_KERNEXEC_EFI_DS (2) -+#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8) -+#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8) -+ - #define GDT_ENTRY_TLS_MIN 6 - #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) - - #define GDT_ENTRY_KERNEL_CS 12 -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 4 - #define GDT_ENTRY_KERNEL_DS 13 - #define GDT_ENTRY_DEFAULT_USER_CS 14 - #define GDT_ENTRY_DEFAULT_USER_DS 15 -@@ -106,6 +112,12 @@ - #define GDT_ENTRY_PERCPU 27 - #define GDT_ENTRY_STACK_CANARY 28 - -+#define GDT_ENTRY_PCIBIOS_CS 29 -+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8) -+ -+#define GDT_ENTRY_PCIBIOS_DS 30 -+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8) -+ - #define GDT_ENTRY_DOUBLEFAULT_TSS 31 - - /* -@@ -118,6 +130,7 @@ - */ - - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8 + 3) -@@ -129,7 +142,7 @@ - #define PNP_CS16 (GDT_ENTRY_PNPBIOS_CS16*8) - - /* "Is this PNP code selector (PNP_CS32 or PNP_CS16)?" */ --#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == PNP_CS32) -+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16) - - /* data segment for BIOS: */ - #define PNP_DS (GDT_ENTRY_PNPBIOS_DS*8) -@@ -176,6 +189,8 @@ - #define GDT_ENTRY_DEFAULT_USER_DS 5 - #define GDT_ENTRY_DEFAULT_USER_CS 6 - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7 -+ - /* Needs two entries */ - #define GDT_ENTRY_TSS 8 - /* Needs two entries */ -@@ -187,10 +202,12 @@ - /* Abused to load per CPU data from limit */ - #define GDT_ENTRY_PER_CPU 15 - -+#define GDT_ENTRY_UDEREF_KERNEL_DS 16 -+ - /* - * Number of entries in the GDT table: - */ --#define GDT_ENTRIES 16 -+#define GDT_ENTRIES 17 - - /* - * Segment selector values corresponding to the above entries: -@@ -200,7 +217,9 @@ - */ - #define __KERNEL32_CS (GDT_ENTRY_KERNEL32_CS*8) - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) -+#define __UDEREF_KERNEL_DS (GDT_ENTRY_UDEREF_KERNEL_DS*8) - #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8 + 3) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER32_DS __USER_DS -diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h -index ba665eb..0f72938 100644 ---- a/arch/x86/include/asm/smap.h -+++ b/arch/x86/include/asm/smap.h -@@ -25,6 +25,18 @@ - - #include <asm/alternative-asm.h> - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ASM_PAX_OPEN_USERLAND \ -+ ALTERNATIVE "", "call __pax_open_userland", X86_FEATURE_STRONGUDEREF -+ -+#define ASM_PAX_CLOSE_USERLAND \ -+ ALTERNATIVE "", "call __pax_close_userland", X86_FEATURE_STRONGUDEREF -+ -+#else -+#define ASM_PAX_OPEN_USERLAND -+#define ASM_PAX_CLOSE_USERLAND -+#endif -+ - #ifdef CONFIG_X86_SMAP - - #define ASM_CLAC \ -@@ -44,6 +56,37 @@ - - #include <asm/alternative.h> - -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+extern void __pax_open_userland(void); -+static __always_inline unsigned long pax_open_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", "call %P[open]", X86_FEATURE_STRONGUDEREF) -+ : -+ : [open] "i" (__pax_open_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ -+extern void __pax_close_userland(void); -+static __always_inline unsigned long pax_close_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", "call %P[close]", X86_FEATURE_STRONGUDEREF) -+ : -+ : [close] "i" (__pax_close_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ - #ifdef CONFIG_X86_SMAP - - static __always_inline void clac(void) -diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h -index 17a8dce..79f7280 100644 ---- a/arch/x86/include/asm/smp.h -+++ b/arch/x86/include/asm/smp.h -@@ -35,7 +35,7 @@ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map); - /* cpus sharing the last level cache: */ - DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); - DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id); --DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); -+DECLARE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - - static inline struct cpumask *cpu_sibling_mask(int cpu) - { -@@ -78,7 +78,7 @@ struct smp_ops { - - void (*send_call_func_ipi)(const struct cpumask *mask); - void (*send_call_func_single_ipi)(int cpu); --}; -+} __no_const; - - /* Globals due to paravirt */ - extern void set_cpu_sibling_map(int cpu); -@@ -192,14 +192,8 @@ extern unsigned disabled_cpus; - extern int safe_smp_processor_id(void); - - #elif defined(CONFIG_X86_64_SMP) --#define raw_smp_processor_id() (this_cpu_read(cpu_number)) -- --#define stack_smp_processor_id() \ --({ \ -- struct thread_info *ti; \ -- __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ -- ti->cpu; \ --}) -+#define raw_smp_processor_id() (this_cpu_read(cpu_number)) -+#define stack_smp_processor_id() raw_smp_processor_id() - #define safe_smp_processor_id() smp_processor_id() - - #endif -diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h -index 6a99859..03cb807 100644 ---- a/arch/x86/include/asm/stackprotector.h -+++ b/arch/x86/include/asm/stackprotector.h -@@ -47,7 +47,7 @@ - * head_32 for boot CPU and setup_per_cpu_areas() for others. - */ - #define GDT_STACK_CANARY_INIT \ -- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18), -+ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17), - - /* - * Initialize the stackprotector canary value. -@@ -112,7 +112,7 @@ static inline void setup_stack_canary_segment(int cpu) - - static inline void load_stack_canary_segment(void) - { --#ifdef CONFIG_X86_32 -+#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF) - asm volatile ("mov %0, %%gs" : : "r" (0)); - #endif - } -diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h -index 70bbe39..4ae2bd4 100644 ---- a/arch/x86/include/asm/stacktrace.h -+++ b/arch/x86/include/asm/stacktrace.h -@@ -11,28 +11,20 @@ - - extern int kstack_depth_to_print; - --struct thread_info; -+struct task_struct; - struct stacktrace_ops; - --typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo, -- unsigned long *stack, -- unsigned long bp, -- const struct stacktrace_ops *ops, -- void *data, -- unsigned long *end, -- int *graph); -+typedef unsigned long walk_stack_t(struct task_struct *task, -+ void *stack_start, -+ unsigned long *stack, -+ unsigned long bp, -+ const struct stacktrace_ops *ops, -+ void *data, -+ unsigned long *end, -+ int *graph); - --extern unsigned long --print_context_stack(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -- --extern unsigned long --print_context_stack_bp(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -+extern walk_stack_t print_context_stack; -+extern walk_stack_t print_context_stack_bp; - - /* Generic stack tracer with callbacks */ - -@@ -40,7 +32,7 @@ struct stacktrace_ops { - void (*address)(void *data, unsigned long address, int reliable); - /* On negative return stop dumping */ - int (*stack)(void *data, char *name); -- walk_stack_t walk_stack; -+ walk_stack_t *walk_stack; - }; - - void dump_trace(struct task_struct *tsk, struct pt_regs *regs, -diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h -index 751bf4b..3cc39f1 100644 ---- a/arch/x86/include/asm/switch_to.h -+++ b/arch/x86/include/asm/switch_to.h -@@ -79,12 +79,12 @@ do { \ - #else /* CONFIG_X86_32 */ - - /* frame pointer must be last for get_wchan */ --#define SAVE_CONTEXT "pushq %%rbp ; movq %%rsi,%%rbp\n\t" --#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\t" -+#define SAVE_CONTEXT "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t" -+#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t" - - #define __EXTRA_CLOBBER \ - , "rcx", "rbx", "rdx", "r8", "r9", "r10", "r11", \ -- "r12", "r13", "r14", "r15", "flags" -+ "r12", "r13", "r14", "r15" - - #ifdef CONFIG_CC_STACKPROTECTOR - #define __switch_canary \ -@@ -100,11 +100,7 @@ do { \ - #define __switch_canary_iparam - #endif /* CC_STACKPROTECTOR */ - --/* -- * There is no need to save or restore flags, because flags are always -- * clean in kernel mode, with the possible exception of IOPL. Kernel IOPL -- * has no effect. -- */ -+/* Save restore flags to clear handle leaking NT */ - #define switch_to(prev, next, last) \ - asm volatile(SAVE_CONTEXT \ - "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ -@@ -112,7 +108,7 @@ do { \ - "call __switch_to\n\t" \ - "movq "__percpu_arg([current_task])",%%rsi\n\t" \ - __switch_canary \ -- "movq %P[thread_info](%%rsi),%%r8\n\t" \ -+ "movq "__percpu_arg([thread_info])",%%r8\n\t" \ - "movq %%rax,%%rdi\n\t" \ - "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \ - "jnz ret_from_fork\n\t" \ -@@ -123,7 +119,7 @@ do { \ - [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \ - [ti_flags] "i" (offsetof(struct thread_info, flags)), \ - [_tif_fork] "i" (_TIF_FORK), \ -- [thread_info] "i" (offsetof(struct task_struct, stack)), \ -+ [thread_info] "m" (current_tinfo), \ - [current_task] "m" (current_task) \ - __switch_canary_iparam \ - : "memory", "cc" __EXTRA_CLOBBER) -diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h -index b4bdec3..e8af9bc 100644 ---- a/arch/x86/include/asm/thread_info.h -+++ b/arch/x86/include/asm/thread_info.h -@@ -36,7 +36,7 @@ - #ifdef CONFIG_X86_32 - # define TOP_OF_KERNEL_STACK_PADDING 8 - #else --# define TOP_OF_KERNEL_STACK_PADDING 0 -+# define TOP_OF_KERNEL_STACK_PADDING 16 - #endif - - /* -@@ -50,27 +50,26 @@ struct task_struct; - #include <linux/atomic.h> - - struct thread_info { -- struct task_struct *task; /* main task structure */ - __u32 flags; /* low level flags */ - __u32 status; /* thread synchronous flags */ - __u32 cpu; /* current CPU */ - int saved_preempt_count; - mm_segment_t addr_limit; - void __user *sysenter_return; -+ unsigned long lowest_stack; - unsigned int sig_on_uaccess_error:1; - unsigned int uaccess_err:1; /* uaccess failed */ - }; - --#define INIT_THREAD_INFO(tsk) \ -+#define INIT_THREAD_INFO \ - { \ -- .task = &tsk, \ - .flags = 0, \ - .cpu = 0, \ - .saved_preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ - } - --#define init_thread_info (init_thread_union.thread_info) -+#define init_thread_info (init_thread_union.stack) - #define init_stack (init_thread_union.stack) - - #else /* !__ASSEMBLY__ */ -@@ -110,6 +109,7 @@ struct thread_info { - #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */ - #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */ - #define TIF_X32 30 /* 32-bit native x86-64 binary */ -+#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */ - - #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) - #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -@@ -133,17 +133,18 @@ struct thread_info { - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_ADDR32 (1 << TIF_ADDR32) - #define _TIF_X32 (1 << TIF_X32) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_enter() */ - #define _TIF_WORK_SYSCALL_ENTRY \ - (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \ - _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_leave() */ - #define _TIF_WORK_SYSCALL_EXIT \ - (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* work to do on interrupt/exception return */ - #define _TIF_WORK_MASK \ -@@ -154,7 +155,7 @@ struct thread_info { - /* work to do on any return to user space */ - #define _TIF_ALLWORK_MASK \ - ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* Only used for 64 bit */ - #define _TIF_DO_NOTIFY_MASK \ -@@ -179,9 +180,11 @@ struct thread_info { - - DECLARE_PER_CPU(unsigned long, kernel_stack); - -+DECLARE_PER_CPU(struct thread_info *, current_tinfo); -+ - static inline struct thread_info *current_thread_info(void) - { -- return (struct thread_info *)(current_top_of_stack() - THREAD_SIZE); -+ return this_cpu_read_stable(current_tinfo); - } - - static inline unsigned long current_stack_pointer(void) -@@ -199,8 +202,7 @@ static inline unsigned long current_stack_pointer(void) - - /* Load thread_info address into "reg" */ - #define GET_THREAD_INFO(reg) \ -- _ASM_MOV PER_CPU_VAR(kernel_stack),reg ; \ -- _ASM_SUB $(THREAD_SIZE),reg ; -+ _ASM_MOV PER_CPU_VAR(current_tinfo),reg ; - - /* - * ASM operand which evaluates to a 'thread_info' address of -@@ -293,5 +295,12 @@ static inline bool is_ia32_task(void) - extern void arch_task_cache_init(void); - extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); - extern void arch_release_task_struct(struct task_struct *tsk); -+ -+#define __HAVE_THREAD_FUNCTIONS -+#define task_thread_info(task) (&(task)->tinfo) -+#define task_stack_page(task) ((task)->stack) -+#define setup_thread_stack(p, org) do {} while (0) -+#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1) -+ - #endif - #endif /* _ASM_X86_THREAD_INFO_H */ -diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h -index cd79194..6a9956f 100644 ---- a/arch/x86/include/asm/tlbflush.h -+++ b/arch/x86/include/asm/tlbflush.h -@@ -86,18 +86,44 @@ static inline void cr4_set_bits_and_update_boot(unsigned long mask) - - static inline void __native_flush_tlb(void) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_NONGLOBAL) : "memory"); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ raw_put_cpu_no_resched(); -+ return; -+ } -+#endif -+ - native_write_cr3(native_read_cr3()); - } - - static inline void __native_flush_tlb_global_irq_disabled(void) - { -- unsigned long cr4; -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; - -- cr4 = this_cpu_read(cpu_tlbstate.cr4); -- /* clear PGE */ -- native_write_cr4(cr4 & ~X86_CR4_PGE); -- /* write old PGE again and flush TLBs */ -- native_write_cr4(cr4); -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_GLOBAL) : "memory"); -+ } else { -+ unsigned long cr4; -+ -+ cr4 = this_cpu_read(cpu_tlbstate.cr4); -+ /* clear PGE */ -+ native_write_cr4(cr4 & ~X86_CR4_PGE); -+ /* write old PGE again and flush TLBs */ -+ native_write_cr4(cr4); -+ } - } - - static inline void __native_flush_tlb_global(void) -@@ -118,6 +144,43 @@ static inline void __native_flush_tlb_global(void) - - static inline void __native_flush_tlb_single(unsigned long addr) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ -+ descriptor[0] = PCID_KERNEL; -+ descriptor[1] = addr; -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) || addr >= TASK_SIZE_MAX) { -+ if (addr < TASK_SIZE_MAX) -+ descriptor[1] += pax_user_shadow_base; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory"); -+ } -+ -+ descriptor[0] = PCID_USER; -+ descriptor[1] = addr; -+ } -+#endif -+ -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory"); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+ -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) && addr < TASK_SIZE_MAX) -+ addr += pax_user_shadow_base; -+ } -+#endif -+ - asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); - } - -diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h -index ace9dec..3f9e253 100644 ---- a/arch/x86/include/asm/uaccess.h -+++ b/arch/x86/include/asm/uaccess.h -@@ -7,6 +7,7 @@ - #include <linux/compiler.h> - #include <linux/thread_info.h> - #include <linux/string.h> -+#include <linux/spinlock.h> - #include <asm/asm.h> - #include <asm/page.h> - #include <asm/smap.h> -@@ -29,7 +30,12 @@ - - #define get_ds() (KERNEL_DS) - #define get_fs() (current_thread_info()->addr_limit) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+void __set_fs(mm_segment_t x); -+void set_fs(mm_segment_t x); -+#else - #define set_fs(x) (current_thread_info()->addr_limit = (x)) -+#endif - - #define segment_eq(a, b) ((a).seg == (b).seg) - -@@ -85,8 +91,36 @@ static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, un - * checks that the pointer is in the user space range - after calling - * this function, memory access functions may still return -EFAULT. - */ --#define access_ok(type, addr, size) \ -- likely(!__range_not_ok(addr, size, user_addr_max())) -+extern int _cond_resched(void); -+#define access_ok_noprefault(type, addr, size) (likely(!__range_not_ok(addr, size, user_addr_max()))) -+#define access_ok(type, addr, size) \ -+({ \ -+ unsigned long __size = size; \ -+ unsigned long __addr = (unsigned long)addr; \ -+ bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\ -+ if (__ret_ao && __size) { \ -+ unsigned long __addr_ao = __addr & PAGE_MASK; \ -+ unsigned long __end_ao = __addr + __size - 1; \ -+ if (unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \ -+ while (__addr_ao <= __end_ao) { \ -+ char __c_ao; \ -+ __addr_ao += PAGE_SIZE; \ -+ if (__size > PAGE_SIZE) \ -+ _cond_resched(); \ -+ if (__get_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ if (type != VERIFY_WRITE) { \ -+ __addr = __addr_ao; \ -+ continue; \ -+ } \ -+ if (__put_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ __addr = __addr_ao; \ -+ } \ -+ } \ -+ } \ -+ __ret_ao; \ -+}) - - /* - * The exception table consists of pairs of addresses relative to the -@@ -134,11 +168,13 @@ extern int __get_user_8(void); - extern int __get_user_bad(void); - - /* -- * This is a type: either unsigned long, if the argument fits into -- * that type, or otherwise unsigned long long. -+ * This is a type: either (un)signed int, if the argument fits into -+ * that type, or otherwise (un)signed long long. - */ - #define __inttype(x) \ --__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) -+__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0U), \ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0ULL, 0LL),\ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0U, 0))) - - /** - * get_user: - Get a simple variable from user space. -@@ -176,10 +212,12 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - register __inttype(*(ptr)) __val_gu asm("%"_ASM_DX); \ - __chk_user_ptr(ptr); \ - might_fault(); \ -+ pax_open_userland(); \ - asm volatile("call __get_user_%P3" \ - : "=a" (__ret_gu), "=r" (__val_gu) \ - : "0" (ptr), "i" (sizeof(*(ptr)))); \ - (x) = (__force __typeof__(*(ptr))) __val_gu; \ -+ pax_close_userland(); \ - __ret_gu; \ - }) - -@@ -187,13 +225,21 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - asm volatile("call __put_user_" #size : "=a" (__ret_pu) \ - : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") - -- -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg "gs;" -+#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n" -+#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n" -+#else -+#define __copyuser_seg -+#define __COPYUSER_SET_ES -+#define __COPYUSER_RESTORE_ES -+#endif - - #ifdef CONFIG_X86_32 - #define __put_user_asm_u64(x, addr, err, errret) \ - asm volatile(ASM_STAC "\n" \ -- "1: movl %%eax,0(%2)\n" \ -- "2: movl %%edx,4(%2)\n" \ -+ "1: "__copyuser_seg"movl %%eax,0(%2)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \ - "3: " ASM_CLAC "\n" \ - ".section .fixup,\"ax\"\n" \ - "4: movl %3,%0\n" \ -@@ -206,8 +252,8 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - - #define __put_user_asm_ex_u64(x, addr) \ - asm volatile(ASM_STAC "\n" \ -- "1: movl %%eax,0(%1)\n" \ -- "2: movl %%edx,4(%1)\n" \ -+ "1: "__copyuser_seg"movl %%eax,0(%1)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \ - "3: " ASM_CLAC "\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - _ASM_EXTABLE_EX(2b, 3b) \ -@@ -257,7 +303,8 @@ extern void __put_user_8(void); - __typeof__(*(ptr)) __pu_val; \ - __chk_user_ptr(ptr); \ - might_fault(); \ -- __pu_val = x; \ -+ __pu_val = (x); \ -+ pax_open_userland(); \ - switch (sizeof(*(ptr))) { \ - case 1: \ - __put_user_x(1, __pu_val, ptr, __ret_pu); \ -@@ -275,6 +322,7 @@ extern void __put_user_8(void); - __put_user_x(X, __pu_val, ptr, __ret_pu); \ - break; \ - } \ -+ pax_close_userland(); \ - __ret_pu; \ - }) - -@@ -355,8 +403,10 @@ do { \ - } while (0) - - #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1: mov"itype" %2,%"rtype"1\n" \ -+ "1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\ - "2: " ASM_CLAC "\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -@@ -364,8 +414,10 @@ do { \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (err), ltype(x) \ -- : "m" (__m(addr)), "i" (errret), "0" (err)) -+ : "=r" (err), ltype (x) \ -+ : "m" (__m(addr)), "i" (errret), "0" (err)); \ -+ pax_close_userland(); \ -+} while (0) - - #define __get_user_size_ex(x, ptr, size) \ - do { \ -@@ -389,7 +441,7 @@ do { \ - } while (0) - - #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %1,%"rtype"0\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\ - "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - : ltype(x) : "m" (__m(addr))) -@@ -406,13 +458,24 @@ do { \ - int __gu_err; \ - unsigned long __gu_val; \ - __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ -- (x) = (__force __typeof__(*(ptr)))__gu_val; \ -+ (x) = (__typeof__(*(ptr)))__gu_val; \ - __gu_err; \ - }) - - /* FIXME: this hack is definitely wrong -AK */ - struct __large_struct { unsigned long buf[100]; }; --#define __m(x) (*(struct __large_struct __user *)(x)) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ____m(x) \ -+({ \ -+ unsigned long ____x = (unsigned long)(x); \ -+ if (____x < pax_user_shadow_base) \ -+ ____x += pax_user_shadow_base; \ -+ (typeof(x))____x; \ -+}) -+#else -+#define ____m(x) (x) -+#endif -+#define __m(x) (*(struct __large_struct __user *)____m(x)) - - /* - * Tell gcc we read from memory instead of writing: this is because -@@ -420,8 +483,10 @@ struct __large_struct { unsigned long buf[100]; }; - * aliasing issues. - */ - #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1: mov"itype" %"rtype"1,%2\n" \ -+ "1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\ - "2: " ASM_CLAC "\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -@@ -429,10 +494,12 @@ struct __large_struct { unsigned long buf[100]; }; - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ - : "=r"(err) \ -- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err)) -+ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err));\ -+ pax_close_userland(); \ -+} while (0) - - #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %"rtype"0,%1\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\ - "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - : : ltype(x), "m" (__m(addr))) -@@ -442,11 +509,13 @@ struct __large_struct { unsigned long buf[100]; }; - */ - #define uaccess_try do { \ - current_thread_info()->uaccess_err = 0; \ -+ pax_open_userland(); \ - stac(); \ - barrier(); - - #define uaccess_catch(err) \ - clac(); \ -+ pax_close_userland(); \ - (err) |= (current_thread_info()->uaccess_err ? -EFAULT : 0); \ - } while (0) - -@@ -471,8 +540,12 @@ struct __large_struct { unsigned long buf[100]; }; - * On error, the variable @x is set to zero. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __get_user(x, ptr) get_user((x), (ptr)) -+#else - #define __get_user(x, ptr) \ - __get_user_nocheck((x), (ptr), sizeof(*(ptr))) -+#endif - - /** - * __put_user: - Write a simple value into user space, with less checking. -@@ -494,8 +567,12 @@ struct __large_struct { unsigned long buf[100]; }; - * Returns zero on success, or -EFAULT on error. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __put_user(x, ptr) put_user((x), (ptr)) -+#else - #define __put_user(x, ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -+#endif - - #define __get_user_unaligned __get_user - #define __put_user_unaligned __put_user -@@ -513,7 +590,7 @@ struct __large_struct { unsigned long buf[100]; }; - #define get_user_ex(x, ptr) do { \ - unsigned long __gue_val; \ - __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \ -- (x) = (__force __typeof__(*(ptr)))__gue_val; \ -+ (x) = (__typeof__(*(ptr)))__gue_val; \ - } while (0) - - #define put_user_try uaccess_try -@@ -531,7 +608,7 @@ extern __must_check long strlen_user(const char __user *str); - extern __must_check long strnlen_user(const char __user *str, long n); - - unsigned long __must_check clear_user(void __user *mem, unsigned long len); --unsigned long __must_check __clear_user(void __user *mem, unsigned long len); -+unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2); - - extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); -@@ -542,18 +619,19 @@ extern void __cmpxchg_wrong_size(void) - __typeof__(ptr) __uval = (uval); \ - __typeof__(*(ptr)) __old = (old); \ - __typeof__(*(ptr)) __new = (new); \ -+ pax_open_userland(); \ - switch (size) { \ - case 1: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgb %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgb %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "q" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -562,14 +640,14 @@ extern void __cmpxchg_wrong_size(void) - case 2: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgw %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgw %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -578,14 +656,14 @@ extern void __cmpxchg_wrong_size(void) - case 4: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -597,14 +675,14 @@ extern void __cmpxchg_wrong_size(void) - __cmpxchg_wrong_size(); \ - \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgq %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgq %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -613,6 +691,7 @@ extern void __cmpxchg_wrong_size(void) - default: \ - __cmpxchg_wrong_size(); \ - } \ -+ pax_close_userland(); \ - *__uval = __old; \ - __ret; \ - }) -@@ -636,17 +715,6 @@ extern struct movsl_mask { - - #define ARCH_HAS_NOCACHE_UACCESS 1 - --#ifdef CONFIG_X86_32 --# include <asm/uaccess_32.h> --#else --# include <asm/uaccess_64.h> --#endif -- --unsigned long __must_check _copy_from_user(void *to, const void __user *from, -- unsigned n); --unsigned long __must_check _copy_to_user(void __user *to, const void *from, -- unsigned n); -- - #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS - # define copy_user_diag __compiletime_error - #else -@@ -656,7 +724,7 @@ unsigned long __must_check _copy_to_user(void __user *to, const void *from, - extern void copy_user_diag("copy_from_user() buffer size is too small") - copy_from_user_overflow(void); - extern void copy_user_diag("copy_to_user() buffer size is too small") --copy_to_user_overflow(void) __asm__("copy_from_user_overflow"); -+copy_to_user_overflow(void); - - #undef copy_user_diag - -@@ -669,7 +737,7 @@ __copy_from_user_overflow(void) __asm__("copy_from_user_overflow"); - - extern void - __compiletime_warning("copy_to_user() buffer size is not provably correct") --__copy_to_user_overflow(void) __asm__("copy_from_user_overflow"); -+__copy_to_user_overflow(void) __asm__("copy_to_user_overflow"); - #define __copy_to_user_overflow(size, count) __copy_to_user_overflow() - - #else -@@ -684,10 +752,16 @@ __copy_from_user_overflow(int size, unsigned long count) - - #endif - -+#ifdef CONFIG_X86_32 -+# include <asm/uaccess_32.h> -+#else -+# include <asm/uaccess_64.h> -+#endif -+ - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); - -@@ -709,12 +783,15 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - * case, and do only runtime checking for non-constant sizes. - */ - -- if (likely(sz < 0 || sz >= n)) -- n = _copy_from_user(to, from, n); -- else if(__builtin_constant_p(n)) -- copy_from_user_overflow(); -- else -- __copy_from_user_overflow(sz, n); -+ if (likely(sz != (size_t)-1 && sz < n)) { -+ if(__builtin_constant_p(n)) -+ copy_from_user_overflow(); -+ else -+ __copy_from_user_overflow(sz, n); -+ } else if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if ((long)n > 0) -+ memset(to, 0, n); - - return n; - } -@@ -722,17 +799,18 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { -- int sz = __compiletime_object_size(from); -+ size_t sz = __compiletime_object_size(from); - - might_fault(); - - /* See the comment in copy_from_user() above. */ -- if (likely(sz < 0 || sz >= n)) -- n = _copy_to_user(to, from, n); -- else if(__builtin_constant_p(n)) -- copy_to_user_overflow(); -- else -- __copy_to_user_overflow(sz, n); -+ if (likely(sz != (size_t)-1 && sz < n)) { -+ if(__builtin_constant_p(n)) -+ copy_to_user_overflow(); -+ else -+ __copy_to_user_overflow(sz, n); -+ } else if (access_ok(VERIFY_WRITE, to, n)) -+ n = __copy_to_user(to, from, n); - - return n; - } -diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h -index 3c03a5d..edb68ae 100644 ---- a/arch/x86/include/asm/uaccess_32.h -+++ b/arch/x86/include/asm/uaccess_32.h -@@ -40,9 +40,14 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero - * anything, so this is accurate. - */ - --static __always_inline unsigned long __must_check -+static __always_inline __size_overflow(3) unsigned long __must_check - __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(from, n, true); -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -82,12 +87,16 @@ static __always_inline unsigned long __must_check - __copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ - return __copy_to_user_inatomic(to, from, n); - } - --static __always_inline unsigned long -+static __always_inline __size_overflow(3) unsigned long - __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - /* Avoid zeroing the tail if the copy fails.. - * If 'n' is constant and 1, 2, or 4, we do still zero on a failure, - * but as the zeroing behaviour is only significant when n is not -@@ -137,6 +146,12 @@ static __always_inline unsigned long - __copy_from_user(void *to, const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(to, n, false); -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -159,6 +174,10 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to, - const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -181,7 +200,10 @@ static __always_inline unsigned long - __copy_from_user_inatomic_nocache(void *to, const void __user *from, - unsigned long n) - { -- return __copy_from_user_ll_nocache_nozero(to, from, n); -+ if ((long)n < 0) -+ return n; -+ -+ return __copy_from_user_ll_nocache_nozero(to, from, n); - } - - #endif /* _ASM_X86_UACCESS_32_H */ -diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h -index f2f9b39..2ae1bf8 100644 ---- a/arch/x86/include/asm/uaccess_64.h -+++ b/arch/x86/include/asm/uaccess_64.h -@@ -10,6 +10,9 @@ - #include <asm/alternative.h> - #include <asm/cpufeature.h> - #include <asm/page.h> -+#include <asm/pgtable.h> -+ -+#define set_fs(x) (current_thread_info()->addr_limit = (x)) - - /* - * Copy To/From Userspace -@@ -23,8 +26,8 @@ copy_user_generic_string(void *to, const void *from, unsigned len); - __must_check unsigned long - copy_user_generic_unrolled(void *to, const void *from, unsigned len); - --static __always_inline __must_check unsigned long --copy_user_generic(void *to, const void *from, unsigned len) -+static __always_inline __must_check __size_overflow(3) unsigned long -+copy_user_generic(void *to, const void *from, unsigned long len) - { - unsigned ret; - -@@ -46,121 +49,170 @@ copy_user_generic(void *to, const void *from, unsigned len) - } - - __must_check unsigned long --copy_in_user(void __user *to, const void __user *from, unsigned len); -+copy_in_user(void __user *to, const void __user *from, unsigned long len); - - static __always_inline __must_check --int __copy_from_user_nocheck(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user_nocheck(void *dst, const void __user *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(dst); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ copy_from_user_overflow(); -+ else -+ __copy_from_user_overflow(sz, size); -+ return size; -+ } - - if (!__builtin_constant_p(size)) -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - switch (size) { -- case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src, -+ case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - return ret; -- case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src, -+ case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - return ret; -- case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src, -+ case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - return ret; -- case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 8); - return ret; - case 10: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 10); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u16 *)(8 + (char *)dst), -- (u16 __user *)(8 + (char __user *)src), -+ (const u16 __user *)(8 + (const char __user *)src), - ret, "w", "w", "=r", 2); - return ret; - case 16: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 16); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u64 *)(8 + (char *)dst), -- (u64 __user *)(8 + (char __user *)src), -+ (const u64 __user *)(8 + (const char __user *)src), - ret, "q", "", "=r", 8); - return ret; - default: -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - } - } - - static __always_inline __must_check --int __copy_from_user(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size) - { - might_fault(); - return __copy_from_user_nocheck(dst, src, size); - } - - static __always_inline __must_check --int __copy_to_user_nocheck(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user_nocheck(void __user *dst, const void *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(src); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(src, size, true); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ copy_to_user_overflow(); -+ else -+ __copy_to_user_overflow(sz, size); -+ return size; -+ } - - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - switch (size) { -- case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst, -+ case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst, - ret, "b", "b", "iq", 1); - return ret; -- case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst, -+ case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; -- case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst, -+ case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst, - ret, "l", "k", "ir", 4); - return ret; -- case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - case 10: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 10); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst, -+ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; - case 16: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 16); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst, -+ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - default: -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - } - } - - static __always_inline __must_check --int __copy_to_user(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size) - { - might_fault(); - return __copy_to_user_nocheck(dst, src, size); - } - - static __always_inline __must_check --int __copy_in_user(void __user *dst, const void __user *src, unsigned size) -+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned size) - { -- int ret = 0; -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - switch (size) { - case 1: { - u8 tmp; -- __get_user_asm(tmp, (u8 __user *)src, -+ __get_user_asm(tmp, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - if (likely(!ret)) - __put_user_asm(tmp, (u8 __user *)dst, -@@ -169,7 +221,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - } - case 2: { - u16 tmp; -- __get_user_asm(tmp, (u16 __user *)src, -+ __get_user_asm(tmp, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - if (likely(!ret)) - __put_user_asm(tmp, (u16 __user *)dst, -@@ -179,7 +231,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - - case 4: { - u32 tmp; -- __get_user_asm(tmp, (u32 __user *)src, -+ __get_user_asm(tmp, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - if (likely(!ret)) - __put_user_asm(tmp, (u32 __user *)dst, -@@ -188,7 +240,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - } - case 8: { - u64 tmp; -- __get_user_asm(tmp, (u64 __user *)src, -+ __get_user_asm(tmp, (const u64 __user *)src, - ret, "q", "", "=r", 8); - if (likely(!ret)) - __put_user_asm(tmp, (u64 __user *)dst, -@@ -196,41 +248,58 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - return ret; - } - default: -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - } - } - --static __must_check __always_inline int --__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size) - { - return __copy_from_user_nocheck(dst, src, size); - } - --static __must_check __always_inline int --__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size) - { - return __copy_to_user_nocheck(dst, src, size); - } - --extern long __copy_user_nocache(void *dst, const void __user *src, -- unsigned size, int zerorest); -+extern unsigned long __copy_user_nocache(void *dst, const void __user *src, -+ unsigned long size, int zerorest); - --static inline int --__copy_from_user_nocache(void *dst, const void __user *src, unsigned size) -+static inline unsigned long -+__copy_from_user_nocache(void *dst, const void __user *src, unsigned long size) - { - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 1); - } - --static inline int -+static inline unsigned long - __copy_from_user_inatomic_nocache(void *dst, const void __user *src, -- unsigned size) -+ unsigned long size) - { -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 0); - } - - unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len); -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len) __size_overflow(3); - - #endif /* _ASM_X86_UACCESS_64_H */ -diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h -index 5b238981..77fdd78 100644 ---- a/arch/x86/include/asm/word-at-a-time.h -+++ b/arch/x86/include/asm/word-at-a-time.h -@@ -11,7 +11,7 @@ - * and shift, for example. - */ - struct word_at_a_time { -- const unsigned long one_bits, high_bits; -+ unsigned long one_bits, high_bits; - }; - - #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } -diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h -index f58a9c7..dc378042a 100644 ---- a/arch/x86/include/asm/x86_init.h -+++ b/arch/x86/include/asm/x86_init.h -@@ -129,7 +129,7 @@ struct x86_init_ops { - struct x86_init_timers timers; - struct x86_init_iommu iommu; - struct x86_init_pci pci; --}; -+} __no_const; - - /** - * struct x86_cpuinit_ops - platform specific cpu hotplug setups -@@ -140,7 +140,7 @@ struct x86_cpuinit_ops { - void (*setup_percpu_clockev)(void); - void (*early_percpu_clock_init)(void); - void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); --}; -+} __no_const; - - struct timespec; - -@@ -168,7 +168,7 @@ struct x86_platform_ops { - void (*save_sched_clock_state)(void); - void (*restore_sched_clock_state)(void); - void (*apic_post_init)(void); --}; -+} __no_const; - - struct pci_dev; - struct msi_msg; -@@ -182,7 +182,7 @@ struct x86_msi_ops { - void (*teardown_msi_irqs)(struct pci_dev *dev); - void (*restore_msi_irqs)(struct pci_dev *dev); - int (*setup_hpet_msi)(unsigned int irq, unsigned int id); --}; -+} __no_const; - - struct IO_APIC_route_entry; - struct io_apic_irq_attr; -@@ -203,7 +203,7 @@ struct x86_io_apic_ops { - unsigned int destination, int vector, - struct io_apic_irq_attr *attr); - void (*eoi_ioapic_pin)(int apic, int pin, int vector); --}; -+} __no_const; - - extern struct x86_init_ops x86_init; - extern struct x86_cpuinit_ops x86_cpuinit; -diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h -index c44a5d5..7f83cfc 100644 ---- a/arch/x86/include/asm/xen/page.h -+++ b/arch/x86/include/asm/xen/page.h -@@ -82,7 +82,7 @@ static inline int xen_safe_read_ulong(unsigned long *addr, unsigned long *val) - * - get_phys_to_machine() is to be called by __pfn_to_mfn() only in special - * cases needing an extended handling. - */ --static inline unsigned long __pfn_to_mfn(unsigned long pfn) -+static inline unsigned long __intentional_overflow(-1) __pfn_to_mfn(unsigned long pfn) - { - unsigned long mfn; - -diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h -index c9a6d68..cb57f42 100644 ---- a/arch/x86/include/asm/xsave.h -+++ b/arch/x86/include/asm/xsave.h -@@ -223,12 +223,16 @@ static inline int xsave_user(struct xsave_struct __user *buf) - if (unlikely(err)) - return -EFAULT; - -+ pax_open_userland(); - __asm__ __volatile__(ASM_STAC "\n" -- "1:"XSAVE"\n" -+ "1:" -+ __copyuser_seg -+ XSAVE"\n" - "2: " ASM_CLAC "\n" - xstate_fault - : "D" (buf), "a" (-1), "d" (-1), "0" (0) - : "memory"); -+ pax_close_userland(); - return err; - } - -@@ -238,16 +242,20 @@ static inline int xsave_user(struct xsave_struct __user *buf) - static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) - { - int err = 0; -- struct xsave_struct *xstate = ((__force struct xsave_struct *)buf); -+ struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf); - u32 lmask = mask; - u32 hmask = mask >> 32; - -+ pax_open_userland(); - __asm__ __volatile__(ASM_STAC "\n" -- "1:"XRSTOR"\n" -+ "1:" -+ __copyuser_seg -+ XRSTOR"\n" - "2: " ASM_CLAC "\n" - xstate_fault - : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0) - : "memory"); /* memory required? */ -+ pax_close_userland(); - return err; - } - -diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h -index 960a8a9..404daf7 100644 ---- a/arch/x86/include/uapi/asm/e820.h -+++ b/arch/x86/include/uapi/asm/e820.h -@@ -68,7 +68,7 @@ struct e820map { - #define ISA_START_ADDRESS 0xa0000 - #define ISA_END_ADDRESS 0x100000 - --#define BIOS_BEGIN 0x000a0000 -+#define BIOS_BEGIN 0x000c0000 - #define BIOS_END 0x00100000 - - #define BIOS_ROM_BASE 0xffe00000 -diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile -index 9bcd0b5..750f1b7 100644 ---- a/arch/x86/kernel/Makefile -+++ b/arch/x86/kernel/Makefile -@@ -28,7 +28,7 @@ obj-y += time.o ioport.o ldt.o dumpstack.o nmi.o - obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o - obj-$(CONFIG_IRQ_WORK) += irq_work.o - obj-y += probe_roms.o --obj-$(CONFIG_X86_32) += i386_ksyms_32.o -+obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o - obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o - obj-$(CONFIG_X86_64) += mcount_64.o - obj-y += syscall_$(BITS).o vsyscall_gtod.o -diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c -index dbe76a1..e2ec334 100644 ---- a/arch/x86/kernel/acpi/boot.c -+++ b/arch/x86/kernel/acpi/boot.c -@@ -1361,7 +1361,7 @@ static void __init acpi_reduced_hw_init(void) - * If your system is blacklisted here, but you find that acpi=force - * works for you, please contact linux-acpi(a)vger.kernel.org - */ --static struct dmi_system_id __initdata acpi_dmi_table[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table[] = { - /* - * Boxes that need ACPI disabled - */ -@@ -1436,7 +1436,7 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { - }; - - /* second table for DMI checks that should run after early-quirks */ --static struct dmi_system_id __initdata acpi_dmi_table_late[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table_late[] = { - /* - * HP laptops which use a DSDT reporting as HP/SB400/10000, - * which includes some code which overrides all temperature -diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c -index d1daead..acd77e2 100644 ---- a/arch/x86/kernel/acpi/sleep.c -+++ b/arch/x86/kernel/acpi/sleep.c -@@ -99,8 +99,12 @@ int x86_acpi_suspend_lowlevel(void) - #else /* CONFIG_64BIT */ - #ifdef CONFIG_SMP - stack_start = (unsigned long)temp_stack + sizeof(temp_stack); -+ -+ pax_open_kernel(); - early_gdt_descr.address = - (unsigned long)get_cpu_gdt_table(smp_processor_id()); -+ pax_close_kernel(); -+ - initial_gs = per_cpu_offset(smp_processor_id()); - #endif - initial_code = (unsigned long)wakeup_long64; -diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S -index 665c6b7..eae4d56 100644 ---- a/arch/x86/kernel/acpi/wakeup_32.S -+++ b/arch/x86/kernel/acpi/wakeup_32.S -@@ -29,13 +29,11 @@ wakeup_pmode_return: - # and restore the stack ... but you need gdt for this to work - movl saved_context_esp, %esp - -- movl %cs:saved_magic, %eax -- cmpl $0x12345678, %eax -+ cmpl $0x12345678, saved_magic - jne bogus_magic - - # jump to place where we left off -- movl saved_eip, %eax -- jmp *%eax -+ jmp *(saved_eip) - - bogus_magic: - jmp bogus_magic -diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c -index aef6531..d7ca83a 100644 ---- a/arch/x86/kernel/alternative.c -+++ b/arch/x86/kernel/alternative.c -@@ -248,7 +248,9 @@ static void __init_or_module add_nops(void *insns, unsigned int len) - unsigned int noplen = len; - if (noplen > ASM_NOP_MAX) - noplen = ASM_NOP_MAX; -+ pax_open_kernel(); - memcpy(insns, ideal_nops[noplen], noplen); -+ pax_close_kernel(); - insns += noplen; - len -= noplen; - } -@@ -276,6 +278,13 @@ recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf) - if (a->replacementlen != 5) - return; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (orig_insn < (u8 *)_text || (u8 *)_einittext <= orig_insn) -+ orig_insn = ktva_ktla(orig_insn); -+ else -+ orig_insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - o_dspl = *(s32 *)(insnbuf + 1); - - /* next_rip of the replacement JMP */ -@@ -346,6 +355,7 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - { - struct alt_instr *a; - u8 *instr, *replacement; -+ u8 *vinstr, *vreplacement; - u8 insnbuf[MAX_PATCH_LEN]; - - DPRINTK("alt table %p -> %p", start, end); -@@ -361,46 +371,71 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - for (a = start; a < end; a++) { - int insnbuf_sz = 0; - -- instr = (u8 *)&a->instr_offset + a->instr_offset; -- replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ vinstr = instr = (u8 *)&a->instr_offset + a->instr_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= instr && -+ instr < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vinstr = ktla_ktva(instr); -+ } else if ((u8 *)_text <= instr && instr < (u8 *)_einittext) { -+ vinstr = ktla_ktva(instr); -+ } else { -+ instr = ktva_ktla(instr); -+ } -+#endif -+ -+ vreplacement = replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= replacement && -+ replacement < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ replacement += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vreplacement = ktla_ktva(replacement); -+ } else if ((u8 *)_text <= replacement && replacement < (u8 *)_einittext) { -+ vreplacement = ktla_ktva(replacement); -+ } else -+ replacement = ktva_ktla(replacement); -+#endif -+ - BUG_ON(a->instrlen > sizeof(insnbuf)); - BUG_ON(a->cpuid >= (NCAPINTS + NBUGINTS) * 32); - if (!boot_cpu_has(a->cpuid)) { - if (a->padlen > 1) -- optimize_nops(a, instr); -+ optimize_nops(a, vinstr); - - continue; - } - -- DPRINTK("feat: %d*32+%d, old: (%p, len: %d), repl: (%p, len: %d), pad: %d", -+ DPRINTK("feat: %d*32+%d, old: (%p/%p, len: %d), repl: (%p, len: %d), pad: %d", - a->cpuid >> 5, - a->cpuid & 0x1f, -- instr, a->instrlen, -- replacement, a->replacementlen, a->padlen); -+ instr, vinstr, a->instrlen, -+ vreplacement, a->replacementlen, a->padlen); - -- DUMP_BYTES(instr, a->instrlen, "%p: old_insn: ", instr); -- DUMP_BYTES(replacement, a->replacementlen, "%p: rpl_insn: ", replacement); -+ DUMP_BYTES(vinstr, a->instrlen, "%p: old_insn: ", vinstr); -+ DUMP_BYTES(vreplacement, a->replacementlen, "%p: rpl_insn: ", vreplacement); - -- memcpy(insnbuf, replacement, a->replacementlen); -+ memcpy(insnbuf, vreplacement, a->replacementlen); - insnbuf_sz = a->replacementlen; - - /* 0xe8 is a relative jump; fix the offset. */ - if (*insnbuf == 0xe8 && a->replacementlen == 5) { -- *(s32 *)(insnbuf + 1) += replacement - instr; -+ *(s32 *)(insnbuf + 1) += vreplacement - vinstr; - DPRINTK("Fix CALL offset: 0x%x, CALL 0x%lx", - *(s32 *)(insnbuf + 1), -- (unsigned long)instr + *(s32 *)(insnbuf + 1) + 5); -+ (unsigned long)vinstr + *(s32 *)(insnbuf + 1) + 5); - } - -- if (a->replacementlen && is_jmp(replacement[0])) -- recompute_jump(a, instr, replacement, insnbuf); -+ if (a->replacementlen && is_jmp(vreplacement[0])) -+ recompute_jump(a, instr, vreplacement, insnbuf); - - if (a->instrlen > a->replacementlen) { - add_nops(insnbuf + a->replacementlen, - a->instrlen - a->replacementlen); - insnbuf_sz += a->instrlen - a->replacementlen; - } -- DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", instr); -+ DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", vinstr); - - text_poke_early(instr, insnbuf, insnbuf_sz); - } -@@ -416,10 +451,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn DS segment override prefix into lock prefix */ -- if (*ptr == 0x3e) -+ if (*ktla_ktva(ptr) == 0x3e) - text_poke(ptr, ((unsigned char []){0xf0}), 1); - } - mutex_unlock(&text_mutex); -@@ -434,10 +475,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn lock prefix into DS segment override prefix */ -- if (*ptr == 0xf0) -+ if (*ktla_ktva(ptr) == 0xf0) - text_poke(ptr, ((unsigned char []){0x3E}), 1); - } - mutex_unlock(&text_mutex); -@@ -574,7 +621,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start, - - BUG_ON(p->len > MAX_PATCH_LEN); - /* prep the buffer with the original instructions */ -- memcpy(insnbuf, p->instr, p->len); -+ memcpy(insnbuf, ktla_ktva(p->instr), p->len); - used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf, - (unsigned long)p->instr, p->len); - -@@ -621,7 +668,7 @@ void __init alternative_instructions(void) - if (!uniproc_patched || num_possible_cpus() == 1) - free_init_pages("SMP alternatives", - (unsigned long)__smp_locks, -- (unsigned long)__smp_locks_end); -+ PAGE_ALIGN((unsigned long)__smp_locks_end)); - #endif - - apply_paravirt(__parainstructions, __parainstructions_end); -@@ -641,13 +688,17 @@ void __init alternative_instructions(void) - * instructions. And on the local CPU you need to be protected again NMI or MCE - * handlers seeing an inconsistent instruction while you patch. - */ --void *__init_or_module text_poke_early(void *addr, const void *opcode, -+void *__kprobes text_poke_early(void *addr, const void *opcode, - size_t len) - { - unsigned long flags; - local_irq_save(flags); -- memcpy(addr, opcode, len); -+ -+ pax_open_kernel(); -+ memcpy(ktla_ktva(addr), opcode, len); - sync_core(); -+ pax_close_kernel(); -+ - local_irq_restore(flags); - /* Could also do a CLFLUSH here to speed up CPU recovery; but - that causes hangs on some VIA CPUs. */ -@@ -669,36 +720,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode, - */ - void *text_poke(void *addr, const void *opcode, size_t len) - { -- unsigned long flags; -- char *vaddr; -+ unsigned char *vaddr = ktla_ktva(addr); - struct page *pages[2]; -- int i; -+ size_t i; - - if (!core_kernel_text((unsigned long)addr)) { -- pages[0] = vmalloc_to_page(addr); -- pages[1] = vmalloc_to_page(addr + PAGE_SIZE); -+ pages[0] = vmalloc_to_page(vaddr); -+ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE); - } else { -- pages[0] = virt_to_page(addr); -+ pages[0] = virt_to_page(vaddr); - WARN_ON(!PageReserved(pages[0])); -- pages[1] = virt_to_page(addr + PAGE_SIZE); -+ pages[1] = virt_to_page(vaddr + PAGE_SIZE); - } - BUG_ON(!pages[0]); -- local_irq_save(flags); -- set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0])); -- if (pages[1]) -- set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1])); -- vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0); -- memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len); -- clear_fixmap(FIX_TEXT_POKE0); -- if (pages[1]) -- clear_fixmap(FIX_TEXT_POKE1); -- local_flush_tlb(); -- sync_core(); -- /* Could also do a CLFLUSH here to speed up CPU recovery; but -- that causes hangs on some VIA CPUs. */ -+ text_poke_early(addr, opcode, len); - for (i = 0; i < len; i++) -- BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]); -- local_irq_restore(flags); -+ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]); - return addr; - } - -@@ -752,7 +789,7 @@ int poke_int3_handler(struct pt_regs *regs) - */ - void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler) - { -- unsigned char int3 = 0xcc; -+ const unsigned char int3 = 0xcc; - - bp_int3_handler = handler; - bp_int3_addr = (u8 *)addr + sizeof(int3); -diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c -index cde732c..6365ac2 100644 ---- a/arch/x86/kernel/apic/apic.c -+++ b/arch/x86/kernel/apic/apic.c -@@ -171,7 +171,7 @@ int first_system_vector = FIRST_SYSTEM_VECTOR; - /* - * Debug level, exported for io_apic.c - */ --unsigned int apic_verbosity; -+int apic_verbosity; - - int pic_mode; - -@@ -1857,7 +1857,7 @@ static inline void __smp_error_interrupt(struct pt_regs *regs) - apic_write(APIC_ESR, 0); - v = apic_read(APIC_ESR); - ack_APIC_irq(); -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x", - smp_processor_id(), v); -diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c -index de918c4..32eed23 100644 ---- a/arch/x86/kernel/apic/apic_flat_64.c -+++ b/arch/x86/kernel/apic/apic_flat_64.c -@@ -154,7 +154,7 @@ static int flat_probe(void) - return 1; - } - --static struct apic apic_flat = { -+static struct apic apic_flat __read_only = { - .name = "flat", - .probe = flat_probe, - .acpi_madt_oem_check = flat_acpi_madt_oem_check, -@@ -260,7 +260,7 @@ static int physflat_probe(void) - return 0; - } - --static struct apic apic_physflat = { -+static struct apic apic_physflat __read_only = { - - .name = "physical flat", - .probe = physflat_probe, -diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c -index b205cdb..d8503ff 100644 ---- a/arch/x86/kernel/apic/apic_noop.c -+++ b/arch/x86/kernel/apic/apic_noop.c -@@ -108,7 +108,7 @@ static void noop_apic_write(u32 reg, u32 v) - WARN_ON_ONCE(cpu_has_apic && !disable_apic); - } - --struct apic apic_noop = { -+struct apic apic_noop __read_only = { - .name = "noop", - .probe = noop_probe, - .acpi_madt_oem_check = NULL, -diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c -index c4a8d63..fe893ac 100644 ---- a/arch/x86/kernel/apic/bigsmp_32.c -+++ b/arch/x86/kernel/apic/bigsmp_32.c -@@ -147,7 +147,7 @@ static int probe_bigsmp(void) - return dmi_bigsmp; - } - --static struct apic apic_bigsmp = { -+static struct apic apic_bigsmp __read_only = { - - .name = "bigsmp", - .probe = probe_bigsmp, -diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c -index f4dc246..fbab133 100644 ---- a/arch/x86/kernel/apic/io_apic.c -+++ b/arch/x86/kernel/apic/io_apic.c -@@ -1862,7 +1862,7 @@ int native_ioapic_set_affinity(struct irq_data *data, - return ret; - } - --atomic_t irq_mis_count; -+atomic_unchecked_t irq_mis_count; - - #ifdef CONFIG_GENERIC_PENDING_IRQ - static bool io_apic_level_ack_pending(struct irq_cfg *cfg) -@@ -2003,7 +2003,7 @@ static void ack_ioapic_level(struct irq_data *data) - * at the cpu. - */ - if (!(v & (1 << (i & 0x1f)))) { -- atomic_inc(&irq_mis_count); -+ atomic_inc_unchecked(&irq_mis_count); - - eoi_ioapic_irq(irq, cfg); - } -@@ -2011,7 +2011,7 @@ static void ack_ioapic_level(struct irq_data *data) - ioapic_irqd_unmask(data, cfg, masked); - } - --static struct irq_chip ioapic_chip __read_mostly = { -+static struct irq_chip ioapic_chip = { - .name = "IO-APIC", - .irq_startup = startup_ioapic_irq, - .irq_mask = mask_ioapic_irq, -@@ -2070,7 +2070,7 @@ static void ack_lapic_irq(struct irq_data *data) - ack_APIC_irq(); - } - --static struct irq_chip lapic_chip __read_mostly = { -+static struct irq_chip lapic_chip = { - .name = "local-APIC", - .irq_mask = mask_lapic_irq, - .irq_unmask = unmask_lapic_irq, -diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c -index bda4886..f9c7195 100644 ---- a/arch/x86/kernel/apic/probe_32.c -+++ b/arch/x86/kernel/apic/probe_32.c -@@ -72,7 +72,7 @@ static int probe_default(void) - return 1; - } - --static struct apic apic_default = { -+static struct apic apic_default __read_only = { - - .name = "default", - .probe = probe_default, -diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c -index 6cedd79..023ff8e 100644 ---- a/arch/x86/kernel/apic/vector.c -+++ b/arch/x86/kernel/apic/vector.c -@@ -21,7 +21,7 @@ - - static DEFINE_RAW_SPINLOCK(vector_lock); - --void lock_vector_lock(void) -+void lock_vector_lock(void) __acquires(vector_lock) - { - /* Used to the online set of cpus does not change - * during assign_irq_vector. -@@ -29,7 +29,7 @@ void lock_vector_lock(void) - raw_spin_lock(&vector_lock); - } - --void unlock_vector_lock(void) -+void unlock_vector_lock(void) __releases(vector_lock) - { - raw_spin_unlock(&vector_lock); - } -diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c -index ab3219b..e8033eb 100644 ---- a/arch/x86/kernel/apic/x2apic_cluster.c -+++ b/arch/x86/kernel/apic/x2apic_cluster.c -@@ -182,7 +182,7 @@ update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu) - return notifier_from_errno(err); - } - --static struct notifier_block __refdata x2apic_cpu_notifier = { -+static struct notifier_block x2apic_cpu_notifier = { - .notifier_call = update_clusterinfo, - }; - -@@ -234,7 +234,7 @@ static void cluster_vector_allocation_domain(int cpu, struct cpumask *retmask, - cpumask_and(retmask, mask, per_cpu(cpus_in_cluster, cpu)); - } - --static struct apic apic_x2apic_cluster = { -+static struct apic apic_x2apic_cluster __read_only = { - - .name = "cluster x2apic", - .probe = x2apic_cluster_probe, -diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c -index 6fae733..5ca17af 100644 ---- a/arch/x86/kernel/apic/x2apic_phys.c -+++ b/arch/x86/kernel/apic/x2apic_phys.c -@@ -88,7 +88,7 @@ static int x2apic_phys_probe(void) - return apic == &apic_x2apic_phys; - } - --static struct apic apic_x2apic_phys = { -+static struct apic apic_x2apic_phys __read_only = { - - .name = "physical x2apic", - .probe = x2apic_phys_probe, -diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c -index c8d9295..9af2d03 100644 ---- a/arch/x86/kernel/apic/x2apic_uv_x.c -+++ b/arch/x86/kernel/apic/x2apic_uv_x.c -@@ -375,7 +375,7 @@ static int uv_probe(void) - return apic == &apic_x2apic_uv_x; - } - --static struct apic __refdata apic_x2apic_uv_x = { -+static struct apic apic_x2apic_uv_x __read_only = { - - .name = "UV large system", - .probe = uv_probe, -diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c -index 927ec92..de68f32 100644 ---- a/arch/x86/kernel/apm_32.c -+++ b/arch/x86/kernel/apm_32.c -@@ -432,7 +432,7 @@ static DEFINE_MUTEX(apm_mutex); - * This is for buggy BIOS's that refer to (real mode) segment 0x40 - * even though they are called in protected mode. - */ --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - static const char driver_version[] = "1.16ac"; /* no spaces */ -@@ -610,7 +610,10 @@ static long __apm_bios_call(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -619,7 +622,11 @@ static long __apm_bios_call(void *_call) - &call->esi); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - return call->eax & 0xff; -@@ -686,7 +693,10 @@ static long __apm_bios_call_simple(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -694,7 +704,11 @@ static long __apm_bios_call_simple(void *_call) - &call->eax); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - return error; - } -@@ -2039,7 +2053,7 @@ static int __init swab_apm_power_in_minutes(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata apm_dmi_table[] = { -+static const struct dmi_system_id __initconst apm_dmi_table[] = { - { - print_if_true, - KERN_WARNING "IBM T23 - BIOS 1.03b+ and controller firmware 1.02+ may be needed for Linux APM.", -@@ -2349,12 +2363,15 @@ static int __init apm_init(void) - * code to that CPU. - */ - gdt = get_cpu_gdt_table(0); -+ -+ pax_open_kernel(); - set_desc_base(&gdt[APM_CS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4)); - set_desc_base(&gdt[APM_CS_16 >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4)); - set_desc_base(&gdt[APM_DS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4)); -+ pax_close_kernel(); - - proc_create("apm", 0, NULL, &apm_file_ops); - -diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c -index 9f6b934..cf5ffb3 100644 ---- a/arch/x86/kernel/asm-offsets.c -+++ b/arch/x86/kernel/asm-offsets.c -@@ -32,6 +32,8 @@ void common(void) { - OFFSET(TI_flags, thread_info, flags); - OFFSET(TI_status, thread_info, status); - OFFSET(TI_addr_limit, thread_info, addr_limit); -+ OFFSET(TI_lowest_stack, thread_info, lowest_stack); -+ DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo)); - - BLANK(); - OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); -@@ -52,8 +54,26 @@ void common(void) { - OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); - OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); - OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0); - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3); -+ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3); -+#ifdef CONFIG_X86_64 -+ OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched); -+#endif -+#endif -+ -+#endif -+ -+ BLANK(); -+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE); -+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); -+ DEFINE(THREAD_SIZE_asm, THREAD_SIZE); -+ - #ifdef CONFIG_XEN - BLANK(); - OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); -diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c -index 5ce6f2d..9e738f3 100644 ---- a/arch/x86/kernel/asm-offsets_64.c -+++ b/arch/x86/kernel/asm-offsets_64.c -@@ -80,6 +80,7 @@ int main(void) - BLANK(); - #undef ENTRY - -+ DEFINE(TSS_size, sizeof(struct tss_struct)); - OFFSET(TSS_ist, tss_struct, x86_tss.ist); - OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); - BLANK(); -diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile -index 9bff687..5b899fb 100644 ---- a/arch/x86/kernel/cpu/Makefile -+++ b/arch/x86/kernel/cpu/Makefile -@@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg - CFLAGS_REMOVE_perf_event.o = -pg - endif - --# Make sure load_percpu_segment has no stackprotector --nostackp := $(call cc-option, -fno-stack-protector) --CFLAGS_common.o := $(nostackp) -- - obj-y := intel_cacheinfo.o scattered.o topology.o - obj-y += common.o - obj-y += rdrand.o -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index e4cf633..941f450 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -729,7 +729,7 @@ static void init_amd(struct cpuinfo_x86 *c) - static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) - { - /* AMD errata T13 (order #21922) */ -- if ((c->x86 == 6)) { -+ if (c->x86 == 6) { - /* Duron Rev A0 */ - if (c->x86_model == 3 && c->x86_mask == 0) - size = 64; -diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c -index a62cf04..a55415c 100644 ---- a/arch/x86/kernel/cpu/common.c -+++ b/arch/x86/kernel/cpu/common.c -@@ -91,60 +91,6 @@ static const struct cpu_dev default_cpu = { - - static const struct cpu_dev *this_cpu = &default_cpu; - --DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { --#ifdef CONFIG_X86_64 -- /* -- * We need valid kernel segments for data and code in long mode too -- * IRET will check the segment types kkeil 2000/10/28 -- * Also sysret mandates a special GDT layout -- * -- * TLS descriptors are currently at a different place compared to i386. -- * Hopefully nobody expects them at a fixed place (Wine?) -- */ -- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff), --#else -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff), -- /* -- * Segments used for calling PnP BIOS have byte granularity. -- * They code segments and data segments have fixed 64k limits, -- * the transfer segment sizes are set at run time. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* -- * The APM segments have byte granularity and their bases -- * are set at run time. All have 64k limits. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* data */ -- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff), -- -- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- GDT_STACK_CANARY_INIT --#endif --} }; --EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); -- - static int __init x86_xsave_setup(char *s) - { - if (strlen(s)) -@@ -306,6 +252,109 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) - } - } - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef CONFIG_X86_64 -+static bool uderef_enabled __read_only = true; -+unsigned long pax_user_shadow_base __read_only; -+EXPORT_SYMBOL(pax_user_shadow_base); -+extern char pax_enter_kernel_user[]; -+extern char pax_exit_kernel_user[]; -+ -+static int __init setup_pax_weakuderef(char *str) -+{ -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ return 1; -+} -+__setup("pax_weakuderef", setup_pax_weakuderef); -+#endif -+ -+static int __init setup_pax_nouderef(char *str) -+{ -+#ifdef CONFIG_X86_32 -+ unsigned int cpu; -+ struct desc_struct *gdt; -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf; -+ } -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#else -+ memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1); -+ memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_user_shadow_base = 0UL; -+ setup_clear_cpu_cap(X86_FEATURE_PCIDUDEREF); -+ uderef_enabled = false; -+#endif -+ -+ return 0; -+} -+early_param("pax_nouderef", setup_pax_nouderef); -+#endif -+ -+#ifdef CONFIG_X86_64 -+static __init int setup_disable_pcid(char *arg) -+{ -+ setup_clear_cpu_cap(X86_FEATURE_PCID); -+ setup_clear_cpu_cap(X86_FEATURE_INVPCID); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+#endif -+ -+ return 1; -+} -+__setup("nopcid", setup_disable_pcid); -+ -+static void setup_pcid(struct cpuinfo_x86 *c) -+{ -+ if (cpu_has(c, X86_FEATURE_PCID)) { -+ printk("PAX: PCID detected\n"); -+ cr4_set_bits(X86_CR4_PCIDE); -+ } else -+ clear_cpu_cap(c, X86_FEATURE_INVPCID); -+ -+ if (cpu_has(c, X86_FEATURE_INVPCID)) -+ printk("PAX: INVPCID detected\n"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!uderef_enabled) { -+ printk("PAX: UDEREF disabled\n"); -+ return; -+ } -+ -+ if (!cpu_has(c, X86_FEATURE_PCID)) { -+ pax_open_kernel(); -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ pax_close_kernel(); -+ printk("PAX: slow and weak UDEREF enabled\n"); -+ return; -+ } -+ -+ set_cpu_cap(c, X86_FEATURE_PCIDUDEREF); -+ -+ pax_open_kernel(); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_close_kernel(); -+ if (pax_user_shadow_base) -+ printk("PAX: weak UDEREF enabled\n"); -+ else { -+ set_cpu_cap(c, X86_FEATURE_STRONGUDEREF); -+ printk("PAX: strong UDEREF enabled\n"); -+ } -+#endif -+ -+} -+#endif -+ - /* - * Some CPU features depend on higher CPUID levels, which may not always - * be available due to CPUID level capping or broken virtualization -@@ -406,7 +455,7 @@ void switch_to_new_gdt(int cpu) - { - struct desc_ptr gdt_descr; - -- gdt_descr.address = (long)get_cpu_gdt_table(cpu); -+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - /* Reload the per-cpu base */ -@@ -935,6 +984,20 @@ static void identify_cpu(struct cpuinfo_x86 *c) - setup_smep(c); - setup_smap(c); - -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ clear_cpu_cap(c, X86_FEATURE_PSE); -+#endif -+#if defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ clear_cpu_cap(c, X86_FEATURE_SEP); -+#endif -+#endif -+ -+#ifdef CONFIG_X86_64 -+ setup_pcid(c); -+#endif -+ - /* - * The vendor-specific functions might have changed features. - * Now we do "generic changes." -@@ -1009,7 +1072,7 @@ void enable_sep_cpu(void) - int cpu; - - cpu = get_cpu(); -- tss = &per_cpu(cpu_tss, cpu); -+ tss = cpu_tss + cpu; - - if (!boot_cpu_has(X86_FEATURE_SEP)) - goto out; -@@ -1155,14 +1218,16 @@ static __init int setup_disablecpuid(char *arg) - } - __setup("clearcpuid=", setup_disablecpuid); - -+DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo; -+EXPORT_PER_CPU_SYMBOL(current_tinfo); -+ - DEFINE_PER_CPU(unsigned long, kernel_stack) = -- (unsigned long)&init_thread_union + THREAD_SIZE; -+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE; - EXPORT_PER_CPU_SYMBOL(kernel_stack); - - #ifdef CONFIG_X86_64 --struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; --struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1, -- (unsigned long) debug_idt_table }; -+struct desc_ptr idt_descr __read_only = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; -+const struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) debug_idt_table }; - - DEFINE_PER_CPU_FIRST(union irq_stack_union, - irq_stack_union) __aligned(PAGE_SIZE) __visible; -@@ -1367,7 +1432,7 @@ void cpu_init(void) - */ - load_ucode_ap(); - -- t = &per_cpu(cpu_tss, cpu); -+ t = cpu_tss + cpu; - oist = &per_cpu(orig_ist, cpu); - - #ifdef CONFIG_NUMA -@@ -1399,7 +1464,6 @@ void cpu_init(void) - wrmsrl(MSR_KERNEL_GS_BASE, 0); - barrier(); - -- x86_configure_nx(); - x2apic_setup(); - - /* -@@ -1451,7 +1515,7 @@ void cpu_init(void) - { - int cpu = smp_processor_id(); - struct task_struct *curr = current; -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *t = cpu_tss + cpu; - struct thread_struct *thread = &curr->thread; - - wait_for_master_cpu(cpu); -diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c -index edcb0e2..a138233 100644 ---- a/arch/x86/kernel/cpu/intel_cacheinfo.c -+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c -@@ -519,25 +519,23 @@ cache_private_attrs_is_visible(struct kobject *kobj, - return 0; - } - -+static struct attribute *amd_l3_attrs[4]; -+ - static struct attribute_group cache_private_group = { - .is_visible = cache_private_attrs_is_visible, -+ .attrs = amd_l3_attrs, - }; - - static void init_amd_l3_attrs(void) - { - int n = 1; -- static struct attribute **amd_l3_attrs; -- -- if (amd_l3_attrs) /* already initialized */ -- return; - - if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) - n += 2; - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - n += 1; - -- amd_l3_attrs = kcalloc(n, sizeof(*amd_l3_attrs), GFP_KERNEL); -- if (!amd_l3_attrs) -+ if (n > 1 && amd_l3_attrs[0]) /* already initialized */ - return; - - n = 0; -@@ -547,8 +545,6 @@ static void init_amd_l3_attrs(void) - } - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - amd_l3_attrs[n++] = &dev_attr_subcaches.attr; -- -- cache_private_group.attrs = amd_l3_attrs; - } - - const struct attribute_group * -@@ -559,7 +555,7 @@ cache_get_priv_group(struct cacheinfo *this_leaf) - if (this_leaf->level < 3 || !nb) - return NULL; - -- if (nb && nb->l3_cache.indices) -+ if (nb->l3_cache.indices) - init_amd_l3_attrs(); - - return &cache_private_group; -diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c -index 20190bd..cadb2ab 100644 ---- a/arch/x86/kernel/cpu/mcheck/mce.c -+++ b/arch/x86/kernel/cpu/mcheck/mce.c -@@ -47,6 +47,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/local.h> - - #include "mce-internal.h" - -@@ -256,7 +257,7 @@ static void print_mce(struct mce *m) - !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "", - m->cs, m->ip); - -- if (m->cs == __KERNEL_CS) -+ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS) - print_symbol("{%s}", m->ip); - pr_cont("\n"); - } -@@ -289,10 +290,10 @@ static void print_mce(struct mce *m) - - #define PANIC_TIMEOUT 5 /* 5 seconds */ - --static atomic_t mce_panicked; -+static atomic_unchecked_t mce_panicked; - - static int fake_panic; --static atomic_t mce_fake_panicked; -+static atomic_unchecked_t mce_fake_panicked; - - /* Panic in progress. Enable interrupts and wait for final IPI */ - static void wait_for_panic(void) -@@ -316,7 +317,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - /* - * Make sure only one CPU runs in machine check panic - */ -- if (atomic_inc_return(&mce_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_panicked) > 1) - wait_for_panic(); - barrier(); - -@@ -324,7 +325,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - console_verbose(); - } else { - /* Don't log too much for fake panic */ -- if (atomic_inc_return(&mce_fake_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_fake_panicked) > 1) - return; - } - /* First print corrected ones that are still unlogged */ -@@ -363,7 +364,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - if (!fake_panic) { - if (panic_timeout == 0) - panic_timeout = mca_cfg.panic_timeout; -- panic(msg); -+ panic("%s", msg); - } else - pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg); - } -@@ -749,7 +750,7 @@ static int mce_timed_out(u64 *t, const char *msg) - * might have been modified by someone else. - */ - rmb(); -- if (atomic_read(&mce_panicked)) -+ if (atomic_read_unchecked(&mce_panicked)) - wait_for_panic(); - if (!mca_cfg.monarch_timeout) - goto out; -@@ -1679,7 +1680,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code) - } - - /* Call the installed machine check handler for this CPU setup. */ --void (*machine_check_vector)(struct pt_regs *, long error_code) = -+void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only = - unexpected_machine_check; - - /* -@@ -1702,7 +1703,9 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) - return; - } - -+ pax_open_kernel(); - machine_check_vector = do_machine_check; -+ pax_close_kernel(); - - __mcheck_cpu_init_generic(); - __mcheck_cpu_init_vendor(c); -@@ -1716,7 +1719,7 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) - */ - - static DEFINE_SPINLOCK(mce_chrdev_state_lock); --static int mce_chrdev_open_count; /* #times opened */ -+static local_t mce_chrdev_open_count; /* #times opened */ - static int mce_chrdev_open_exclu; /* already open exclusive? */ - - static int mce_chrdev_open(struct inode *inode, struct file *file) -@@ -1724,7 +1727,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - spin_lock(&mce_chrdev_state_lock); - - if (mce_chrdev_open_exclu || -- (mce_chrdev_open_count && (file->f_flags & O_EXCL))) { -+ (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) { - spin_unlock(&mce_chrdev_state_lock); - - return -EBUSY; -@@ -1732,7 +1735,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - - if (file->f_flags & O_EXCL) - mce_chrdev_open_exclu = 1; -- mce_chrdev_open_count++; -+ local_inc(&mce_chrdev_open_count); - - spin_unlock(&mce_chrdev_state_lock); - -@@ -1743,7 +1746,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file) - { - spin_lock(&mce_chrdev_state_lock); - -- mce_chrdev_open_count--; -+ local_dec(&mce_chrdev_open_count); - mce_chrdev_open_exclu = 0; - - spin_unlock(&mce_chrdev_state_lock); -@@ -2419,7 +2422,7 @@ static __init void mce_init_banks(void) - - for (i = 0; i < mca_cfg.banks; i++) { - struct mce_bank *b = &mce_banks[i]; -- struct device_attribute *a = &b->attr; -+ device_attribute_no_const *a = &b->attr; - - sysfs_attr_init(&a->attr); - a->attr.name = b->attrname; -@@ -2526,7 +2529,7 @@ struct dentry *mce_get_debugfs_dir(void) - static void mce_reset(void) - { - cpu_missing = 0; -- atomic_set(&mce_fake_panicked, 0); -+ atomic_set_unchecked(&mce_fake_panicked, 0); - atomic_set(&mce_executing, 0); - atomic_set(&mce_callin, 0); - atomic_set(&global_nwo, 0); -diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c -index 737b0ad..09ec66e 100644 ---- a/arch/x86/kernel/cpu/mcheck/p5.c -+++ b/arch/x86/kernel/cpu/mcheck/p5.c -@@ -12,6 +12,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/pgtable.h> - - /* By default disabled */ - int mce_p5_enabled __read_mostly; -@@ -55,7 +56,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c) - if (!cpu_has(c, X86_FEATURE_MCE)) - return; - -+ pax_open_kernel(); - machine_check_vector = pentium_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c -index 44f1382..315b292 100644 ---- a/arch/x86/kernel/cpu/mcheck/winchip.c -+++ b/arch/x86/kernel/cpu/mcheck/winchip.c -@@ -11,6 +11,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/pgtable.h> - - /* Machine check handler for WinChip C6: */ - static void winchip_machine_check(struct pt_regs *regs, long error_code) -@@ -28,7 +29,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c) - { - u32 lo, hi; - -+ pax_open_kernel(); - machine_check_vector = winchip_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c -index 36a8361..e7058c2 100644 ---- a/arch/x86/kernel/cpu/microcode/core.c -+++ b/arch/x86/kernel/cpu/microcode/core.c -@@ -518,7 +518,7 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) - return NOTIFY_OK; - } - --static struct notifier_block __refdata mc_cpu_notifier = { -+static struct notifier_block mc_cpu_notifier = { - .notifier_call = mc_cpu_callback, - }; - -diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c -index a41bead..4e3685b 100644 ---- a/arch/x86/kernel/cpu/microcode/intel.c -+++ b/arch/x86/kernel/cpu/microcode/intel.c -@@ -298,13 +298,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device, - - static int get_ucode_user(void *to, const void *from, size_t n) - { -- return copy_from_user(to, from, n); -+ return copy_from_user(to, (const void __force_user *)from, n); - } - - static enum ucode_state - request_microcode_user(int cpu, const void __user *buf, size_t size) - { -- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user); -+ return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user); - } - - static void microcode_fini_cpu(int cpu) -diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c -index ea5f363..cb0e905 100644 ---- a/arch/x86/kernel/cpu/mtrr/main.c -+++ b/arch/x86/kernel/cpu/mtrr/main.c -@@ -66,7 +66,7 @@ static DEFINE_MUTEX(mtrr_mutex); - u64 size_or_mask, size_and_mask; - static bool mtrr_aps_delayed_init; - --static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM]; -+static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only; - - const struct mtrr_ops *mtrr_if; - -diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h -index df5e41f..816c719 100644 ---- a/arch/x86/kernel/cpu/mtrr/mtrr.h -+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h -@@ -25,7 +25,7 @@ struct mtrr_ops { - int (*validate_add_page)(unsigned long base, unsigned long size, - unsigned int type); - int (*have_wrcomb)(void); --}; -+} __do_const; - - extern int generic_get_free_region(unsigned long base, unsigned long size, - int replace_reg); -diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c -index aa4e3a7..469370f 100644 ---- a/arch/x86/kernel/cpu/perf_event.c -+++ b/arch/x86/kernel/cpu/perf_event.c -@@ -1509,7 +1509,7 @@ static void __init pmu_check_apic(void) - - } - --static struct attribute_group x86_pmu_format_group = { -+static attribute_group_no_const x86_pmu_format_group = { - .name = "format", - .attrs = NULL, - }; -@@ -1608,7 +1608,7 @@ static struct attribute *events_attr[] = { - NULL, - }; - --static struct attribute_group x86_pmu_events_group = { -+static attribute_group_no_const x86_pmu_events_group = { - .name = "events", - .attrs = events_attr, - }; -@@ -2181,7 +2181,7 @@ static unsigned long get_segment_base(unsigned int segment) - if (idx > GDT_ENTRIES) - return 0; - -- desc = raw_cpu_ptr(gdt_page.gdt); -+ desc = get_cpu_gdt_table(smp_processor_id()); - } - - return get_desc_base(desc + idx); -@@ -2271,7 +2271,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) - break; - - perf_callchain_store(entry, frame.return_address); -- fp = frame.next_frame; -+ fp = (const void __force_user *)frame.next_frame; - } - } - -diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c -index 97242a9..cf9c30e 100644 ---- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c -+++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c -@@ -402,7 +402,7 @@ static void perf_iommu_del(struct perf_event *event, int flags) - static __init int _init_events_attrs(struct perf_amd_iommu *perf_iommu) - { - struct attribute **attrs; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - int i = 0, j; - - while (amd_iommu_v2_event_descs[i].attr.attr.name) -diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c -index 2813ea0..3ef5969c8 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel.c -+++ b/arch/x86/kernel/cpu/perf_event_intel.c -@@ -3033,10 +3033,10 @@ __init int intel_pmu_init(void) - x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3); - - if (boot_cpu_has(X86_FEATURE_PDCM)) { -- u64 capabilities; -+ u64 capabilities = x86_pmu.intel_cap.capabilities; - -- rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); -- x86_pmu.intel_cap.capabilities = capabilities; -+ if (rdmsrl_safe(MSR_IA32_PERF_CAPABILITIES, &x86_pmu.intel_cap.capabilities)) -+ x86_pmu.intel_cap.capabilities = capabilities; - } - - intel_ds_init(); -diff --git a/arch/x86/kernel/cpu/perf_event_intel_bts.c b/arch/x86/kernel/cpu/perf_event_intel_bts.c -index 7795f3f..3535b76 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_bts.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_bts.c -@@ -252,7 +252,7 @@ static void bts_event_start(struct perf_event *event, int flags) - __bts_event_start(event); - - /* PMI handler: this counter is running and likely generating PMIs */ -- ACCESS_ONCE(bts->started) = 1; -+ ACCESS_ONCE_RW(bts->started) = 1; - } - - static void __bts_event_stop(struct perf_event *event) -@@ -266,7 +266,7 @@ static void __bts_event_stop(struct perf_event *event) - if (event->hw.state & PERF_HES_STOPPED) - return; - -- ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED; -+ ACCESS_ONCE_RW(event->hw.state) |= PERF_HES_STOPPED; - } - - static void bts_event_stop(struct perf_event *event, int flags) -@@ -274,7 +274,7 @@ static void bts_event_stop(struct perf_event *event, int flags) - struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); - - /* PMI handler: don't restart this counter */ -- ACCESS_ONCE(bts->started) = 0; -+ ACCESS_ONCE_RW(bts->started) = 0; - - __bts_event_stop(event); - -diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c -index cb77b11..8867302 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c -@@ -1360,7 +1360,9 @@ static int __init intel_cqm_init(void) - goto out; - } - -- event_attr_intel_cqm_llc_scale.event_str = str; -+ pax_open_kernel(); -+ *(const char **)&event_attr_intel_cqm_llc_scale.event_str = str; -+ pax_close_kernel(); - - ret = intel_cqm_setup_rmid_cache(); - if (ret) -diff --git a/arch/x86/kernel/cpu/perf_event_intel_pt.c b/arch/x86/kernel/cpu/perf_event_intel_pt.c -index 123ff1b..d53e500 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_pt.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_pt.c -@@ -116,16 +116,12 @@ static const struct attribute_group *pt_attr_groups[] = { - - static int __init pt_pmu_hw_init(void) - { -- struct dev_ext_attribute *de_attrs; -- struct attribute **attrs; -- size_t size; -- int ret; -+ static struct dev_ext_attribute de_attrs[ARRAY_SIZE(pt_caps)]; -+ static struct attribute *attrs[ARRAY_SIZE(pt_caps)]; - long i; - -- attrs = NULL; -- ret = -ENODEV; - if (!test_cpu_cap(&boot_cpu_data, X86_FEATURE_INTEL_PT)) -- goto fail; -+ return -ENODEV; - - for (i = 0; i < PT_CPUID_LEAVES; i++) { - cpuid_count(20, i, -@@ -135,39 +131,25 @@ static int __init pt_pmu_hw_init(void) - &pt_pmu.caps[CR_EDX + i*4]); - } - -- ret = -ENOMEM; -- size = sizeof(struct attribute *) * (ARRAY_SIZE(pt_caps)+1); -- attrs = kzalloc(size, GFP_KERNEL); -- if (!attrs) -- goto fail; -- -- size = sizeof(struct dev_ext_attribute) * (ARRAY_SIZE(pt_caps)+1); -- de_attrs = kzalloc(size, GFP_KERNEL); -- if (!de_attrs) -- goto fail; -- -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(pt_caps); i++) { -- struct dev_ext_attribute *de_attr = de_attrs + i; -+ struct dev_ext_attribute *de_attr = &de_attrs[i]; - -- de_attr->attr.attr.name = pt_caps[i].name; -+ *(const char **)&de_attr->attr.attr.name = pt_caps[i].name; - - sysfs_attr_init(&de_attr->attr.attr); - -- de_attr->attr.attr.mode = S_IRUGO; -- de_attr->attr.show = pt_cap_show; -- de_attr->var = (void *)i; -+ *(umode_t *)&de_attr->attr.attr.mode = S_IRUGO; -+ *(void **)&de_attr->attr.show = pt_cap_show; -+ *(void **)&de_attr->var = (void *)i; - - attrs[i] = &de_attr->attr.attr; - } - -- pt_cap_group.attrs = attrs; -+ *(struct attribute ***)&pt_cap_group.attrs = attrs; -+ pax_close_kernel(); - - return 0; -- --fail: -- kfree(attrs); -- -- return ret; - } - - #define PT_CONFIG_MASK (RTIT_CTL_TSC_EN | RTIT_CTL_DISRETC) -@@ -928,7 +910,7 @@ static void pt_event_start(struct perf_event *event, int mode) - return; - } - -- ACCESS_ONCE(pt->handle_nmi) = 1; -+ ACCESS_ONCE_RW(pt->handle_nmi) = 1; - event->hw.state = 0; - - pt_config_buffer(buf->cur->table, buf->cur_idx, -@@ -945,7 +927,7 @@ static void pt_event_stop(struct perf_event *event, int mode) - * Protect against the PMI racing with disabling wrmsr, - * see comment in intel_pt_interrupt(). - */ -- ACCESS_ONCE(pt->handle_nmi) = 0; -+ ACCESS_ONCE_RW(pt->handle_nmi) = 0; - pt_config_start(false); - - if (event->hw.state == PERF_HES_STOPPED) -diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c -index 358c54a..f068235 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c -@@ -487,7 +487,7 @@ static struct attribute *rapl_events_hsw_attr[] = { - NULL, - }; - --static struct attribute_group rapl_pmu_events_group = { -+static attribute_group_no_const rapl_pmu_events_group __read_only = { - .name = "events", - .attrs = NULL, /* patched at runtime */ - }; -diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -index 90b7c50..7863ae3 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -@@ -732,7 +732,7 @@ static void __init uncore_types_exit(struct intel_uncore_type **types) - static int __init uncore_type_init(struct intel_uncore_type *type) - { - struct intel_uncore_pmu *pmus; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attrs; - int i, j; - -diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -index ceac8f5..a562de7 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -@@ -115,7 +115,7 @@ struct intel_uncore_box { - struct uncore_event_desc { - struct kobj_attribute attr; - const char *config; --}; -+} __do_const; - - ssize_t uncore_event_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf); -diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c -index 83741a7..bd3507d 100644 ---- a/arch/x86/kernel/cpuid.c -+++ b/arch/x86/kernel/cpuid.c -@@ -170,7 +170,7 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __refdata cpuid_class_cpu_notifier = -+static struct notifier_block cpuid_class_cpu_notifier = - { - .notifier_call = cpuid_class_cpu_callback, - }; -diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c -index afa64ad..dce67dd 100644 ---- a/arch/x86/kernel/crash_dump_64.c -+++ b/arch/x86/kernel/crash_dump_64.c -@@ -36,7 +36,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - return -ENOMEM; - - if (userbuf) { -- if (copy_to_user(buf, vaddr + offset, csize)) { -+ if (copy_to_user((char __force_user *)buf, vaddr + offset, csize)) { - iounmap(vaddr); - return -EFAULT; - } -diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c -index f6dfd93..892ade4 100644 ---- a/arch/x86/kernel/doublefault.c -+++ b/arch/x86/kernel/doublefault.c -@@ -12,7 +12,7 @@ - - #define DOUBLEFAULT_STACKSIZE (1024) - static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE]; --#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE) -+#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2) - - #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM) - -@@ -22,7 +22,7 @@ static void doublefault_fn(void) - unsigned long gdt, tss; - - native_store_gdt(&gdt_desc); -- gdt = gdt_desc.address; -+ gdt = (unsigned long)gdt_desc.address; - - printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size); - -@@ -59,10 +59,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = { - /* 0x2 bit is always set */ - .flags = X86_EFLAGS_SF | 0x2, - .sp = STACK_START, -- .es = __USER_DS, -+ .es = __KERNEL_DS, - .cs = __KERNEL_CS, - .ss = __KERNEL_DS, -- .ds = __USER_DS, -+ .ds = __KERNEL_DS, - .fs = __KERNEL_PERCPU, - - .__cr3 = __pa_nodebug(swapper_pg_dir), -diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c -index 9c30acf..8cf2411 100644 ---- a/arch/x86/kernel/dumpstack.c -+++ b/arch/x86/kernel/dumpstack.c -@@ -2,6 +2,9 @@ - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/kprobes.h> - #include <linux/uaccess.h> -@@ -35,23 +38,21 @@ static void printk_stack_address(unsigned long address, int reliable, - - void printk_address(unsigned long address) - { -- pr_cont(" [<%p>] %pS\n", (void *)address, (void *)address); -+ pr_cont(" [<%p>] %pA\n", (void *)address, (void *)address); - } - - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - static void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { -- struct task_struct *task; - unsigned long ret_addr; - int index; - - if (addr != (unsigned long)return_to_handler) - return; - -- task = tinfo->task; - index = task->curr_ret_stack; - - if (!task->ret_stack || index < *graph) -@@ -68,7 +69,7 @@ print_ftrace_graph_addr(unsigned long addr, void *data, - static inline void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { } - #endif - -@@ -79,10 +80,8 @@ print_ftrace_graph_addr(unsigned long addr, void *data, - * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack - */ - --static inline int valid_stack_ptr(struct thread_info *tinfo, -- void *p, unsigned int size, void *end) -+static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end) - { -- void *t = tinfo; - if (end) { - if (p < end && p >= (end-THREAD_SIZE)) - return 1; -@@ -93,14 +92,14 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, - } - - unsigned long --print_context_stack(struct thread_info *tinfo, -+print_context_stack(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) - { - struct stack_frame *frame = (struct stack_frame *)bp; - -- while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { -+ while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) { - unsigned long addr; - - addr = *stack; -@@ -112,7 +111,7 @@ print_context_stack(struct thread_info *tinfo, - } else { - ops->address(data, addr, 0); - } -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - stack++; - } -@@ -121,7 +120,7 @@ print_context_stack(struct thread_info *tinfo, - EXPORT_SYMBOL_GPL(print_context_stack); - - unsigned long --print_context_stack_bp(struct thread_info *tinfo, -+print_context_stack_bp(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) -@@ -129,7 +128,7 @@ print_context_stack_bp(struct thread_info *tinfo, - struct stack_frame *frame = (struct stack_frame *)bp; - unsigned long *ret_addr = &frame->return_address; - -- while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) { -+ while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) { - unsigned long addr = *ret_addr; - - if (!__kernel_text_address(addr)) -@@ -138,7 +137,7 @@ print_context_stack_bp(struct thread_info *tinfo, - ops->address(data, addr, 1); - frame = frame->next_frame; - ret_addr = &frame->return_address; -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - - return (unsigned long)frame; -@@ -226,6 +225,8 @@ unsigned long oops_begin(void) - EXPORT_SYMBOL_GPL(oops_begin); - NOKPROBE_SYMBOL(oops_begin); - -+extern void gr_handle_kernel_exploit(void); -+ - void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - { - if (regs && kexec_should_crash(current)) -@@ -247,7 +248,10 @@ void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -- do_exit(signr); -+ -+ gr_handle_kernel_exploit(); -+ -+ do_group_exit(signr); - } - NOKPROBE_SYMBOL(oops_end); - -diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c -index 464ffd6..01f2cda 100644 ---- a/arch/x86/kernel/dumpstack_32.c -+++ b/arch/x86/kernel/dumpstack_32.c -@@ -61,15 +61,14 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - bp = stack_frame(task, regs); - - for (;;) { -- struct thread_info *context; -+ void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); - void *end_stack; - - end_stack = is_hardirq_stack(stack, cpu); - if (!end_stack) - end_stack = is_softirq_stack(stack, cpu); - -- context = task_thread_info(task); -- bp = ops->walk_stack(context, stack, bp, ops, data, -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, - end_stack, &graph); - - /* Stop if not on irq stack */ -@@ -137,16 +136,17 @@ void show_regs(struct pt_regs *regs) - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; -+ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(0)[(0xffff & regs->cs) >> 3]); - - pr_emerg("Stack:\n"); - show_stack_log_lvl(NULL, regs, &regs->sp, 0, KERN_EMERG); - - pr_emerg("Code:"); - -- ip = (u8 *)regs->ip - code_prologue; -+ ip = (u8 *)regs->ip - code_prologue + cs_base; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at IP */ -- ip = (u8 *)regs->ip; -+ ip = (u8 *)regs->ip + cs_base; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { -@@ -155,7 +155,7 @@ void show_regs(struct pt_regs *regs) - pr_cont(" Bad EIP value."); - break; - } -- if (ip == (u8 *)regs->ip) -+ if (ip == (u8 *)regs->ip + cs_base) - pr_cont(" <%02x>", c); - else - pr_cont(" %02x", c); -@@ -168,6 +168,7 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -+ ip = ktla_ktva(ip); - if (ip < PAGE_OFFSET) - return 0; - if (probe_kernel_address((unsigned short *)ip, ud2)) -@@ -175,3 +176,15 @@ int is_valid_bugaddr(unsigned long ip) - - return ud2 == 0x0b0f; - } -+ -+#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY) -+void __used pax_check_alloca(unsigned long size) -+{ -+ unsigned long sp = (unsigned long)&sp, stack_left; -+ -+ /* all kernel stacks are of the same size */ -+ stack_left = sp & (THREAD_SIZE - 1); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c -index 5f1c626..1cba97e 100644 ---- a/arch/x86/kernel/dumpstack_64.c -+++ b/arch/x86/kernel/dumpstack_64.c -@@ -153,12 +153,12 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - const struct stacktrace_ops *ops, void *data) - { - const unsigned cpu = get_cpu(); -- struct thread_info *tinfo; - unsigned long *irq_stack = (unsigned long *)per_cpu(irq_stack_ptr, cpu); - unsigned long dummy; - unsigned used = 0; - int graph = 0; - int done = 0; -+ void *stack_start; - - if (!task) - task = current; -@@ -179,7 +179,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - * current stack address. If the stacks consist of nested - * exceptions - */ -- tinfo = task_thread_info(task); - while (!done) { - unsigned long *stack_end; - enum stack_type stype; -@@ -202,7 +201,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - if (ops->stack(data, id) < 0) - break; - -- bp = ops->walk_stack(tinfo, stack, bp, ops, -+ bp = ops->walk_stack(task, stack_end - EXCEPTION_STKSZ, stack, bp, ops, - data, stack_end, &graph); - ops->stack(data, "<EOE>"); - /* -@@ -210,6 +209,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - * second-to-last pointer (index -2 to end) in the - * exception stack: - */ -+ if ((u16)stack_end[-1] != __KERNEL_DS) -+ goto out; - stack = (unsigned long *) stack_end[-2]; - done = 0; - break; -@@ -218,7 +219,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - - if (ops->stack(data, "IRQ") < 0) - break; -- bp = ops->walk_stack(tinfo, stack, bp, -+ bp = ops->walk_stack(task, irq_stack, stack, bp, - ops, data, stack_end, &graph); - /* - * We link to the next stack (which would be -@@ -240,7 +241,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - /* - * This handles the process stack: - */ -- bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph); -+ stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph); -+out: - put_cpu(); - } - EXPORT_SYMBOL(dump_trace); -@@ -347,8 +350,55 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -- if (__copy_from_user(&ud2, (const void __user *) ip, sizeof(ud2))) -+ if (probe_kernel_address((unsigned short *)ip, ud2)) - return 0; - - return ud2 == 0x0b0f; - } -+ -+#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY) -+void __used pax_check_alloca(unsigned long size) -+{ -+ unsigned long sp = (unsigned long)&sp, stack_start, stack_end; -+ unsigned cpu, used; -+ char *id; -+ -+ /* check the process stack first */ -+ stack_start = (unsigned long)task_stack_page(current); -+ stack_end = stack_start + THREAD_SIZE; -+ if (likely(stack_start <= sp && sp < stack_end)) { -+ unsigned long stack_left = sp & (THREAD_SIZE - 1); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ cpu = get_cpu(); -+ -+ /* check the irq stacks */ -+ stack_end = (unsigned long)per_cpu(irq_stack_ptr, cpu); -+ stack_start = stack_end - IRQ_STACK_SIZE; -+ if (stack_start <= sp && sp < stack_end) { -+ unsigned long stack_left = sp & (IRQ_STACK_SIZE - 1); -+ put_cpu(); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ /* check the exception stacks */ -+ used = 0; -+ stack_end = (unsigned long)in_exception_stack(cpu, sp, &used, &id); -+ stack_start = stack_end - EXCEPTION_STKSZ; -+ if (stack_end && stack_start <= sp && sp < stack_end) { -+ unsigned long stack_left = sp & (EXCEPTION_STKSZ - 1); -+ put_cpu(); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ put_cpu(); -+ -+ /* unknown stack */ -+ BUG(); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c -index e2ce85d..00ccad0 100644 ---- a/arch/x86/kernel/e820.c -+++ b/arch/x86/kernel/e820.c -@@ -802,8 +802,8 @@ unsigned long __init e820_end_of_low_ram_pfn(void) - - static void early_panic(char *msg) - { -- early_printk(msg); -- panic(msg); -+ early_printk("%s", msg); -+ panic("%s", msg); - } - - static int userdef __initdata; -diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c -index 89427d8..00c0d52 100644 ---- a/arch/x86/kernel/early_printk.c -+++ b/arch/x86/kernel/early_printk.c -@@ -7,6 +7,7 @@ - #include <linux/pci_regs.h> - #include <linux/pci_ids.h> - #include <linux/errno.h> -+#include <linux/sched.h> - #include <asm/io.h> - #include <asm/processor.h> - #include <asm/fcntl.h> -diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S -index 1c30976..71b41b9 100644 ---- a/arch/x86/kernel/entry_32.S -+++ b/arch/x86/kernel/entry_32.S -@@ -177,13 +177,154 @@ - /*CFI_REL_OFFSET gs, PT_GS*/ - .endm - .macro SET_KERNEL_GS reg -+ -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY), \reg -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS), \reg -+#else -+ xorl \reg, \reg -+#endif -+ - movl \reg, %gs - .endm - - #endif /* CONFIG_X86_32_LAZY_GS */ - --.macro SAVE_ALL -+.macro pax_enter_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_enter_kernel -+#endif -+.endm -+ -+.macro pax_exit_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_exit_kernel -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ENTRY(pax_enter_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0) -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ bts $X86_CR0_WP_BIT, %esi -+ jnc 1f -+ mov %cs, %esi -+ cmp $__KERNEL_CS, %esi -+ jz 3f -+ ljmp $__KERNEL_CS, $3f -+1: ljmp $__KERNEXEC_KERNEL_CS, $2f -+2: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+#else -+ mov %esi, %cr0 -+#endif -+3: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+#endif -+ mov %cs, %esi -+ cmp $__KERNEXEC_KERNEL_CS, %esi -+ jnz 2f -+#ifdef CONFIG_PARAVIRT -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ btr $X86_CR0_WP_BIT, %esi -+ ljmp $__KERNEL_CS, $1f -+1: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0); -+#else -+ mov %esi, %cr0 -+#endif -+2: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+/* -+ * ebp: thread_info -+ */ -+ENTRY(pax_erase_kstack) -+ pushl %edi -+ pushl %ecx -+ pushl %eax -+ -+ mov TI_lowest_stack(%ebp), %edi -+ mov $-0xBEEF, %eax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $2, %ecx -+ repne scasl -+ jecxz 2f -+ -+ cmp $2*16, %ecx -+ jc 2f -+ -+ mov $2*16, %ecx -+ repe scasl -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*4, %edi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %ecx -+ jb 3f -+ ud2 -+3: -+ -+ shr $2, %ecx -+ rep stosl -+ -+ mov TI_task_thread_sp0(%ebp), %edi -+ sub $128, %edi -+ mov %edi, TI_lowest_stack(%ebp) -+ -+ popl %eax -+ popl %ecx -+ popl %edi -+ ret -+ENDPROC(pax_erase_kstack) -+#endif -+ -+.macro __SAVE_ALL _DS - cld - PUSH_GS - pushl_cfi %fs -@@ -206,7 +347,7 @@ - CFI_REL_OFFSET ecx, 0 - pushl_cfi %ebx - CFI_REL_OFFSET ebx, 0 -- movl $(__USER_DS), %edx -+ movl $\_DS, %edx - movl %edx, %ds - movl %edx, %es - movl $(__KERNEL_PERCPU), %edx -@@ -214,6 +355,15 @@ - SET_KERNEL_GS %edx - .endm - -+.macro SAVE_ALL -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ __SAVE_ALL __KERNEL_DS -+ pax_enter_kernel -+#else -+ __SAVE_ALL __USER_DS -+#endif -+.endm -+ - .macro RESTORE_INT_REGS - popl_cfi %ebx - CFI_RESTORE ebx -@@ -297,7 +447,7 @@ ENTRY(ret_from_fork) - popfl_cfi - jmp syscall_exit - CFI_ENDPROC --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - ENTRY(ret_from_kernel_thread) - CFI_STARTPROC -@@ -340,7 +490,15 @@ ret_from_intr: - andl $SEGMENT_RPL_MASK, %eax - #endif - cmpl $USER_RPL, %eax -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jae resume_userspace -+ -+ pax_exit_kernel -+ jmp resume_kernel -+#else - jb resume_kernel # not returning to v8086 or userspace -+#endif - - ENTRY(resume_userspace) - LOCKDEP_SYS_EXIT -@@ -352,8 +510,8 @@ ENTRY(resume_userspace) - andl $_TIF_WORK_MASK, %ecx # is there any work to be done on - # int/exception return? - jne work_pending -- jmp restore_all --END(ret_from_exception) -+ jmp restore_all_pax -+ENDPROC(ret_from_exception) - - #ifdef CONFIG_PREEMPT - ENTRY(resume_kernel) -@@ -365,7 +523,7 @@ need_resched: - jz restore_all - call preempt_schedule_irq - jmp need_resched --END(resume_kernel) -+ENDPROC(resume_kernel) - #endif - CFI_ENDPROC - -@@ -395,33 +553,45 @@ sysenter_past_esp: - /*CFI_REL_OFFSET cs, 0*/ - /* - * Push current_thread_info()->sysenter_return to the stack. -- * A tiny bit of offset fixup is necessary: TI_sysenter_return -- * is relative to thread_info, which is at the bottom of the -- * kernel stack page. 4*4 means the 4 words pushed above; -- * TOP_OF_KERNEL_STACK_PADDING takes us to the top of the stack; -- * and THREAD_SIZE takes us to the bottom. - */ -- pushl_cfi ((TI_sysenter_return) - THREAD_SIZE + TOP_OF_KERNEL_STACK_PADDING + 4*4)(%esp) -+ pushl_cfi $0 - CFI_REL_OFFSET eip, 0 - - pushl_cfi %eax - SAVE_ALL -+ GET_THREAD_INFO(%ebp) -+ movl TI_sysenter_return(%ebp),%ebp -+ movl %ebp,PT_EIP(%esp) - ENABLE_INTERRUPTS(CLBR_NONE) - - /* - * Load the potential sixth argument from user stack. - * Careful about security. - */ -+ movl PT_OLDESP(%esp),%ebp -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov PT_OLDSS(%esp),%ds -+1: movl %ds:(%ebp),%ebp -+ push %ss -+ pop %ds -+#else - cmpl $__PAGE_OFFSET-3,%ebp - jae syscall_fault - ASM_STAC - 1: movl (%ebp),%ebp - ASM_CLAC -+#endif -+ - movl %ebp,PT_EBP(%esp) - _ASM_EXTABLE(1b,syscall_fault) - - GET_THREAD_INFO(%ebp) - -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp) - jnz sysenter_audit - sysenter_do_call: -@@ -437,12 +607,24 @@ sysenter_after_call: - testl $_TIF_ALLWORK_MASK, %ecx - jnz sysexit_audit - sysenter_exit: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushl_cfi %eax -+ movl %esp, %eax -+ call pax_randomize_kstack -+ popl_cfi %eax -+#endif -+ -+ pax_erase_kstack -+ - /* if something modifies registers it must also disable sysexit */ - movl PT_EIP(%esp), %edx - movl PT_OLDESP(%esp), %ecx - xorl %ebp,%ebp - TRACE_IRQS_ON - 1: mov PT_FS(%esp), %fs -+2: mov PT_DS(%esp), %ds -+3: mov PT_ES(%esp), %es - PTGS_TO_GS - ENABLE_INTERRUPTS_SYSEXIT - -@@ -456,6 +638,9 @@ sysenter_audit: - pushl_cfi PT_ESI(%esp) /* a3: 5th arg */ - pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - popl_cfi %ecx /* get that remapped edx off the stack */ - popl_cfi %ecx /* get that remapped esi off the stack */ - movl PT_EAX(%esp),%eax /* reload syscall number */ -@@ -482,10 +667,16 @@ sysexit_audit: - - CFI_ENDPROC - .pushsection .fixup,"ax" --2: movl $0,PT_FS(%esp) -+4: movl $0,PT_FS(%esp) -+ jmp 1b -+5: movl $0,PT_DS(%esp) -+ jmp 1b -+6: movl $0,PT_ES(%esp) - jmp 1b - .popsection -- _ASM_EXTABLE(1b,2b) -+ _ASM_EXTABLE(1b,4b) -+ _ASM_EXTABLE(2b,5b) -+ _ASM_EXTABLE(3b,6b) - PTGS_TO_GS_EX - ENDPROC(ia32_sysenter_target) - -@@ -496,6 +687,11 @@ ENTRY(system_call) - pushl_cfi %eax # save orig_eax - SAVE_ALL - GET_THREAD_INFO(%ebp) -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - # system call tracing in operation / emulation - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp) - jnz syscall_trace_entry -@@ -515,6 +711,15 @@ syscall_exit: - testl $_TIF_ALLWORK_MASK, %ecx # current->work - jnz syscall_exit_work - -+restore_all_pax: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ movl %esp, %eax -+ call pax_randomize_kstack -+#endif -+ -+ pax_erase_kstack -+ - restore_all: - TRACE_IRQS_IRET - restore_all_notrace: -@@ -569,14 +774,34 @@ ldt_ss: - * compensating for the offset by changing to the ESPFIX segment with - * a base address that matches for the difference. - */ --#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8) -+#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx) - mov %esp, %edx /* load kernel esp */ - mov PT_OLDESP(%esp), %eax /* load userspace esp */ - mov %dx, %ax /* eax: new kernel esp */ - sub %eax, %edx /* offset (low word is 0) */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif - shr $16, %edx -- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ -- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %esi -+ btr $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ -+ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */ -+ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ bts $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ - pushl_cfi $__ESPFIX_SS - pushl_cfi %eax /* new kernel esp */ - /* Disable interrupts, but do not irqtrace this section: we -@@ -606,20 +831,18 @@ work_resched: - movl TI_flags(%ebp), %ecx - andl $_TIF_WORK_MASK, %ecx # is there any work to be done other - # than syscall tracing? -- jz restore_all -+ jz restore_all_pax - testb $_TIF_NEED_RESCHED, %cl - jnz work_resched - - work_notifysig: # deal with pending signals and - # notify-resume requests -+ movl %esp, %eax - #ifdef CONFIG_VM86 - testl $X86_EFLAGS_VM, PT_EFLAGS(%esp) -- movl %esp, %eax - jnz work_notifysig_v86 # returning to kernel-space or - # vm86-space - 1: --#else -- movl %esp, %eax - #endif - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -640,7 +863,7 @@ work_notifysig_v86: - movl %eax, %esp - jmp 1b - #endif --END(work_pending) -+ENDPROC(work_pending) - - # perform syscall exit tracing - ALIGN -@@ -648,11 +871,14 @@ syscall_trace_entry: - movl $-ENOSYS,PT_EAX(%esp) - movl %esp, %eax - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - /* What it returned is what we'll actually use. */ - cmpl $(NR_syscalls), %eax - jnae syscall_call - jmp syscall_exit --END(syscall_trace_entry) -+ENDPROC(syscall_trace_entry) - - # perform syscall exit tracing - ALIGN -@@ -665,26 +891,30 @@ syscall_exit_work: - movl %esp, %eax - call syscall_trace_leave - jmp resume_userspace --END(syscall_exit_work) -+ENDPROC(syscall_exit_work) - CFI_ENDPROC - - RING0_INT_FRAME # can't unwind into user space anyway - syscall_fault: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ push %ss -+ pop %ds -+#endif - ASM_CLAC - GET_THREAD_INFO(%ebp) - movl $-EFAULT,PT_EAX(%esp) - jmp resume_userspace --END(syscall_fault) -+ENDPROC(syscall_fault) - - syscall_badsys: - movl $-ENOSYS,%eax - jmp syscall_after_call --END(syscall_badsys) -+ENDPROC(syscall_badsys) - - sysenter_badsys: - movl $-ENOSYS,%eax - jmp sysenter_after_call --END(sysenter_badsys) -+ENDPROC(sysenter_badsys) - CFI_ENDPROC - - .macro FIXUP_ESPFIX_STACK -@@ -697,8 +927,15 @@ END(sysenter_badsys) - */ - #ifdef CONFIG_X86_ESPFIX32 - /* fixup the stack */ -- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ -- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif -+ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */ -+ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */ - shl $16, %eax - addl %esp, %eax /* the adjusted stack pointer */ - pushl_cfi $__KERNEL_DS -@@ -737,7 +974,7 @@ ENTRY(irq_entries_start) - CFI_ADJUST_CFA_OFFSET -4 - .align 8 - .endr --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * the CPU automatically disables interrupts when executing an IRQ vector, -@@ -790,7 +1027,7 @@ ENTRY(coprocessor_error) - pushl_cfi $do_coprocessor_error - jmp error_code - CFI_ENDPROC --END(coprocessor_error) -+ENDPROC(coprocessor_error) - - ENTRY(simd_coprocessor_error) - RING0_INT_FRAME -@@ -806,7 +1043,7 @@ ENTRY(simd_coprocessor_error) - #endif - jmp error_code - CFI_ENDPROC --END(simd_coprocessor_error) -+ENDPROC(simd_coprocessor_error) - - ENTRY(device_not_available) - RING0_INT_FRAME -@@ -815,18 +1052,18 @@ ENTRY(device_not_available) - pushl_cfi $do_device_not_available - jmp error_code - CFI_ENDPROC --END(device_not_available) -+ENDPROC(device_not_available) - - #ifdef CONFIG_PARAVIRT - ENTRY(native_iret) - iret - _ASM_EXTABLE(native_iret, iret_exc) --END(native_iret) -+ENDPROC(native_iret) - - ENTRY(native_irq_enable_sysexit) - sti - sysexit --END(native_irq_enable_sysexit) -+ENDPROC(native_irq_enable_sysexit) - #endif - - ENTRY(overflow) -@@ -836,7 +1073,7 @@ ENTRY(overflow) - pushl_cfi $do_overflow - jmp error_code - CFI_ENDPROC --END(overflow) -+ENDPROC(overflow) - - ENTRY(bounds) - RING0_INT_FRAME -@@ -845,7 +1082,7 @@ ENTRY(bounds) - pushl_cfi $do_bounds - jmp error_code - CFI_ENDPROC --END(bounds) -+ENDPROC(bounds) - - ENTRY(invalid_op) - RING0_INT_FRAME -@@ -854,7 +1091,7 @@ ENTRY(invalid_op) - pushl_cfi $do_invalid_op - jmp error_code - CFI_ENDPROC --END(invalid_op) -+ENDPROC(invalid_op) - - ENTRY(coprocessor_segment_overrun) - RING0_INT_FRAME -@@ -863,7 +1100,7 @@ ENTRY(coprocessor_segment_overrun) - pushl_cfi $do_coprocessor_segment_overrun - jmp error_code - CFI_ENDPROC --END(coprocessor_segment_overrun) -+ENDPROC(coprocessor_segment_overrun) - - ENTRY(invalid_TSS) - RING0_EC_FRAME -@@ -871,7 +1108,7 @@ ENTRY(invalid_TSS) - pushl_cfi $do_invalid_TSS - jmp error_code - CFI_ENDPROC --END(invalid_TSS) -+ENDPROC(invalid_TSS) - - ENTRY(segment_not_present) - RING0_EC_FRAME -@@ -879,7 +1116,7 @@ ENTRY(segment_not_present) - pushl_cfi $do_segment_not_present - jmp error_code - CFI_ENDPROC --END(segment_not_present) -+ENDPROC(segment_not_present) - - ENTRY(stack_segment) - RING0_EC_FRAME -@@ -887,7 +1124,7 @@ ENTRY(stack_segment) - pushl_cfi $do_stack_segment - jmp error_code - CFI_ENDPROC --END(stack_segment) -+ENDPROC(stack_segment) - - ENTRY(alignment_check) - RING0_EC_FRAME -@@ -895,7 +1132,7 @@ ENTRY(alignment_check) - pushl_cfi $do_alignment_check - jmp error_code - CFI_ENDPROC --END(alignment_check) -+ENDPROC(alignment_check) - - ENTRY(divide_error) - RING0_INT_FRAME -@@ -904,7 +1141,7 @@ ENTRY(divide_error) - pushl_cfi $do_divide_error - jmp error_code - CFI_ENDPROC --END(divide_error) -+ENDPROC(divide_error) - - #ifdef CONFIG_X86_MCE - ENTRY(machine_check) -@@ -914,7 +1151,7 @@ ENTRY(machine_check) - pushl_cfi machine_check_vector - jmp error_code - CFI_ENDPROC --END(machine_check) -+ENDPROC(machine_check) - #endif - - ENTRY(spurious_interrupt_bug) -@@ -924,7 +1161,7 @@ ENTRY(spurious_interrupt_bug) - pushl_cfi $do_spurious_interrupt_bug - jmp error_code - CFI_ENDPROC --END(spurious_interrupt_bug) -+ENDPROC(spurious_interrupt_bug) - - #ifdef CONFIG_XEN - /* Xen doesn't set %esp to be precisely what the normal sysenter -@@ -1033,7 +1270,7 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - - ENTRY(mcount) - ret --END(mcount) -+ENDPROC(mcount) - - ENTRY(ftrace_caller) - pushl %eax -@@ -1063,7 +1300,7 @@ ftrace_graph_call: - .globl ftrace_stub - ftrace_stub: - ret --END(ftrace_caller) -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - pushf /* push flags before compare (in cs location) */ -@@ -1161,7 +1398,7 @@ trace: - popl %ecx - popl %eax - jmp ftrace_stub --END(mcount) -+ENDPROC(mcount) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -1179,7 +1416,7 @@ ENTRY(ftrace_graph_caller) - popl %ecx - popl %eax - ret --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - .globl return_to_handler - return_to_handler: -@@ -1233,15 +1470,18 @@ error_code: - movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart - REG_TO_PTGS %ecx - SET_KERNEL_GS %ecx -- movl $(__USER_DS), %ecx -+ movl $(__KERNEL_DS), %ecx - movl %ecx, %ds - movl %ecx, %es -+ -+ pax_enter_kernel -+ - TRACE_IRQS_OFF - movl %esp,%eax # pt_regs pointer - call *%edi - jmp ret_from_exception - CFI_ENDPROC --END(page_fault) -+ENDPROC(page_fault) - - /* - * Debug traps and NMI can happen at the one SYSENTER instruction -@@ -1284,7 +1524,7 @@ debug_stack_correct: - call do_debug - jmp ret_from_exception - CFI_ENDPROC --END(debug) -+ENDPROC(debug) - - /* - * NMI is doubly nasty. It can happen _while_ we're handling -@@ -1324,6 +1564,9 @@ nmi_stack_correct: - xorl %edx,%edx # zero error code - movl %esp,%eax # pt_regs pointer - call do_nmi -+ -+ pax_exit_kernel -+ - jmp restore_all_notrace - CFI_ENDPROC - -@@ -1361,13 +1604,16 @@ nmi_espfix_stack: - FIXUP_ESPFIX_STACK # %eax == %esp - xorl %edx,%edx # zero error code - call do_nmi -+ -+ pax_exit_kernel -+ - RESTORE_REGS - lss 12+4(%esp), %esp # back to espfix stack - CFI_ADJUST_CFA_OFFSET -24 - jmp irq_return - #endif - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(int3) - RING0_INT_FRAME -@@ -1380,14 +1626,14 @@ ENTRY(int3) - call do_int3 - jmp ret_from_exception - CFI_ENDPROC --END(int3) -+ENDPROC(int3) - - ENTRY(general_protection) - RING0_EC_FRAME - pushl_cfi $do_general_protection - jmp error_code - CFI_ENDPROC --END(general_protection) -+ENDPROC(general_protection) - - #ifdef CONFIG_KVM_GUEST - ENTRY(async_page_fault) -@@ -1396,6 +1642,6 @@ ENTRY(async_page_fault) - pushl_cfi $do_async_page_fault - jmp error_code - CFI_ENDPROC --END(async_page_fault) -+ENDPROC(async_page_fault) - #endif - -diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S -index 4bd6c19..a0eba01 100644 ---- a/arch/x86/kernel/entry_64.S -+++ b/arch/x86/kernel/entry_64.S -@@ -46,6 +46,8 @@ - #include <asm/smap.h> - #include <asm/pgtable_types.h> - #include <linux/err.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ - #include <linux/elf-em.h> -@@ -64,6 +66,401 @@ ENTRY(native_usergs_sysret64) - ENDPROC(native_usergs_sysret64) - #endif /* CONFIG_PARAVIRT */ - -+ .macro ljmpq sel, off -+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM) -+ .byte 0x48; ljmp *1234f(%rip) -+ .pushsection .rodata -+ .align 16 -+ 1234: .quad \off; .word \sel -+ .popsection -+#else -+ pushq $\sel -+ pushq $\off -+ lretq -+#endif -+ .endm -+ -+ .macro pax_enter_kernel -+ pax_set_fptr_mask -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ call pax_enter_kernel -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ call pax_exit_kernel -+#endif -+ .endm -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ENTRY(pax_enter_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ mov %cs,%edi -+ cmp $__KERNEL_CS,%edi -+ jnz 2f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jnz 112f -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+ jmp 111f -+112: cmp $1,%dil -+ jz 113f -+ ud2 -+113: sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rdi -+ pax_force_retaddr -+ retq -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: ljmpq __KERNEL_CS,1b -+3: ljmpq __KERNEXEC_KERNEL_CS,4f -+4: SET_RDI_INTO_CR0 -+ jmp 1b -+#endif -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cs,%rdi -+ cmp $__KERNEXEC_KERNEL_CS,%edi -+ jz 2f -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ mov %ss,%edi -+ cmp $__UDEREF_KERNEL_DS,%edi -+ jnz 111f -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 112f -+ ud2 -+112: add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI); -+#endif -+ -+ popq %rdi -+ pax_force_retaddr -+ retq -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+ ljmpq __KERNEL_CS,3f -+3: SET_RDI_INTO_CR0 -+ jmp 1b -+4: ud2 -+ jmp 4b -+#endif -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ENTRY(pax_enter_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $1,%dil -+ jnz 4f -+ sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 3f -+111: -+ -+ GET_CR3_INTO_RDI -+ mov %rdi,%rbx -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ pushq %rdi -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched) -+ i = i + 1 -+ .endr -+ popq %rdi -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0,i*8(%rbx) -+ i = i + 1 -+ .endr -+ -+2: SET_RDI_INTO_CR3 -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+#endif -+ -+3: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_force_retaddr -+ retq -+4: ud2 -+ENDPROC(pax_enter_kernel_user) -+ -+ENTRY(pax_exit_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ GET_CR3_INTO_RDI -+ ALTERNATIVE "jmp 1f", "", X86_FEATURE_PCID -+ cmp $0,%dil -+ jnz 3f -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 2f -+1: -+ -+ mov %rdi,%rbx -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ SET_RDI_INTO_CR0 -+#endif -+ -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0x67,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched) -+ i = i + 1 -+ .endr -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0x67,i*8(%rbx) -+ i = i + 1 -+ .endr -+2: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_force_retaddr -+ retq -+3: ud2 -+ENDPROC(pax_exit_kernel_user) -+#endif -+ -+ .macro pax_enter_kernel_nmi -+ pax_set_fptr_mask -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jc 110f -+ SET_RDI_INTO_CR0 -+ or $2,%ebx -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 111f -+ sub $4097,%rdi -+ or $4,%ebx -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_nmi -+#ifdef CONFIG_PAX_KERNEXEC -+ btr $1,%ebx -+ jnc 110f -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ btr $2,%ebx -+ jnc 111f -+ GET_CR3_INTO_RDI -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ENTRY(pax_erase_kstack) -+ pushq %rdi -+ pushq %rcx -+ pushq %rax -+ pushq %r11 -+ -+ GET_THREAD_INFO(%r11) -+ mov TI_lowest_stack(%r11), %rdi -+ mov $-0xBEEF, %rax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $3, %ecx -+ repne scasq -+ jecxz 2f -+ -+ cmp $2*8, %ecx -+ jc 2f -+ -+ mov $2*8, %ecx -+ repe scasq -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*8, %rdi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %rcx -+ jb 3f -+ ud2 -+3: -+ -+ shr $3, %ecx -+ rep stosq -+ -+ mov TI_task_thread_sp0(%r11), %rdi -+ sub $256, %rdi -+ mov %rdi, TI_lowest_stack(%r11) -+ -+ popq %r11 -+ popq %rax -+ popq %rcx -+ popq %rdi -+ pax_force_retaddr -+ ret -+ENDPROC(pax_erase_kstack) -+#endif - - .macro TRACE_IRQS_IRETQ - #ifdef CONFIG_TRACE_IRQFLAGS -@@ -100,7 +497,7 @@ ENDPROC(native_usergs_sysret64) - .endm - - .macro TRACE_IRQS_IRETQ_DEBUG -- bt $9,EFLAGS(%rsp) /* interrupts off? */ -+ bt $X86_EFLAGS_IF_BIT,EFLAGS(%rsp) /* interrupts off? */ - jnc 1f - TRACE_IRQS_ON_DEBUG - 1: -@@ -221,14 +618,6 @@ GLOBAL(system_call_after_swapgs) - /* Construct struct pt_regs on stack */ - pushq_cfi $__USER_DS /* pt_regs->ss */ - pushq_cfi PER_CPU_VAR(rsp_scratch) /* pt_regs->sp */ -- /* -- * Re-enable interrupts. -- * We use 'rsp_scratch' as a scratch space, hence irq-off block above -- * must execute atomically in the face of possible interrupt-driven -- * task preemption. We must enable interrupts only after we're done -- * with using rsp_scratch: -- */ -- ENABLE_INTERRUPTS(CLBR_NONE) - pushq_cfi %r11 /* pt_regs->flags */ - pushq_cfi $__USER_CS /* pt_regs->cs */ - pushq_cfi %rcx /* pt_regs->ip */ -@@ -246,7 +635,27 @@ GLOBAL(system_call_after_swapgs) - sub $(6*8),%rsp /* pt_regs->bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 6*8 - -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * Re-enable interrupts. -+ * We use 'rsp_scratch' as a scratch space, hence irq-off block above -+ * must execute atomically in the face of possible interrupt-driven -+ * task preemption. We must enable interrupts only after we're done -+ * with using rsp_scratch: -+ */ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ -+ GET_THREAD_INFO(%rcx) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx) - jnz tracesys - system_call_fastpath: - #if __SYSCALL_MASK == ~0 -@@ -279,10 +688,13 @@ system_call_fastpath: - * flags (TIF_NOTIFY_RESUME, TIF_USER_RETURN_NOTIFY, etc) set is - * very bad. - */ -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ GET_THREAD_INFO(%rcx) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%rcx) - jnz int_ret_from_sys_call_irqs_off /* Go to the slow path */ - - CFI_REMEMBER_STATE -+ pax_exit_kernel_user -+ pax_erase_kstack - - RESTORE_C_REGS_EXCEPT_RCX_R11 - movq RIP(%rsp),%rcx -@@ -316,6 +728,9 @@ tracesys: - call syscall_trace_enter_phase1 - test %rax, %rax - jnz tracesys_phase2 /* if needed, run the slow path */ -+ -+ pax_erase_kstack -+ - RESTORE_C_REGS_EXCEPT_RAX /* else restore clobbered regs */ - movq ORIG_RAX(%rsp), %rax - jmp system_call_fastpath /* and return to the fast path */ -@@ -327,6 +742,8 @@ tracesys_phase2: - movq %rax,%rdx - call syscall_trace_enter_phase2 - -+ pax_erase_kstack -+ - /* - * Reload registers from stack in case ptrace changed them. - * We don't reload %rax because syscall_trace_entry_phase2() returned -@@ -364,6 +781,8 @@ GLOBAL(int_with_check) - andl %edi,%edx - jnz int_careful - andl $~TS_COMPAT,TI_status(%rcx) -+ pax_exit_kernel_user -+ pax_erase_kstack - jmp syscall_return - - /* Either reschedule or signal or syscall exit tracking needed. */ -@@ -485,7 +904,7 @@ opportunistic_sysret_failed: - SWAPGS - jmp restore_c_regs_and_iret - CFI_ENDPROC --END(system_call) -+ENDPROC(system_call) - - - .macro FORK_LIKE func -@@ -495,7 +914,7 @@ ENTRY(stub_\func) - SAVE_EXTRA_REGS 8 - jmp sys_\func - CFI_ENDPROC --END(stub_\func) -+ENDPROC(stub_\func) - .endm - - FORK_LIKE clone -@@ -519,7 +938,7 @@ return_from_execve: - movq %rax,RAX(%rsp) - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_execve) -+ENDPROC(stub_execve) - /* - * Remaining execve stubs are only 7 bytes long. - * ENTRY() often aligns to 16 bytes, which in this case has no benefits. -@@ -531,7 +950,7 @@ GLOBAL(stub_execveat) - call sys_execveat - jmp return_from_execve - CFI_ENDPROC --END(stub_execveat) -+ENDPROC(stub_execveat) - - #ifdef CONFIG_X86_X32_ABI - .align 8 -@@ -541,7 +960,7 @@ GLOBAL(stub_x32_execve) - call compat_sys_execve - jmp return_from_execve - CFI_ENDPROC --END(stub_x32_execve) -+ENDPROC(stub_x32_execve) - .align 8 - GLOBAL(stub_x32_execveat) - CFI_STARTPROC -@@ -549,7 +968,7 @@ GLOBAL(stub_x32_execveat) - call compat_sys_execveat - jmp return_from_execve - CFI_ENDPROC --END(stub_x32_execveat) -+ENDPROC(stub_x32_execveat) - #endif - - #ifdef CONFIG_IA32_EMULATION -@@ -592,7 +1011,7 @@ return_from_stub: - movq %rax,RAX(%rsp) - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_rt_sigreturn) -+ENDPROC(stub_rt_sigreturn) - - #ifdef CONFIG_X86_X32_ABI - ENTRY(stub_x32_rt_sigreturn) -@@ -602,7 +1021,7 @@ ENTRY(stub_x32_rt_sigreturn) - call sys32_x32_rt_sigreturn - jmp return_from_stub - CFI_ENDPROC --END(stub_x32_rt_sigreturn) -+ENDPROC(stub_x32_rt_sigreturn) - #endif - - /* -@@ -622,7 +1041,7 @@ ENTRY(ret_from_fork) - - RESTORE_EXTRA_REGS - -- testl $3,CS(%rsp) # from kernel_thread? -+ testb $3,CS(%rsp) # from kernel_thread? - - /* - * By the time we get here, we have no idea whether our pt_regs, -@@ -641,7 +1060,7 @@ ENTRY(ret_from_fork) - RESTORE_EXTRA_REGS - jmp int_ret_from_sys_call - CFI_ENDPROC --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - /* - * Build the entry stubs with some assembler magic. -@@ -659,7 +1078,7 @@ ENTRY(irq_entries_start) - .align 8 - .endr - CFI_ENDPROC --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * Interrupt entry/exit. -@@ -672,21 +1091,13 @@ END(irq_entries_start) - /* 0(%rsp): ~(interrupt number) */ - .macro interrupt func - cld -- /* -- * Since nothing in interrupt handling code touches r12...r15 members -- * of "struct pt_regs", and since interrupts can nest, we can save -- * four stack slots and simultaneously provide -- * an unwind-friendly stack layout by saving "truncated" pt_regs -- * exactly up to rbp slot, without these members. -- */ -- ALLOC_PT_GPREGS_ON_STACK -RBP -- SAVE_C_REGS -RBP -- /* this goes to 0(%rsp) for unwinder, not for saving the value: */ -- SAVE_EXTRA_REGS_RBP -RBP -+ ALLOC_PT_GPREGS_ON_STACK -+ SAVE_C_REGS -+ SAVE_EXTRA_REGS - -- leaq -RBP(%rsp),%rdi /* arg1 for \func (pointer to pt_regs) */ -+ movq %rsp,%rdi /* arg1 for \func (pointer to pt_regs) */ - -- testl $3, CS-RBP(%rsp) -+ testb $3, CS(%rsp) - je 1f - SWAPGS - 1: -@@ -709,8 +1120,20 @@ END(irq_entries_start) - CFI_ESCAPE 0x0f /* DW_CFA_def_cfa_expression */, 6, \ - 0x77 /* DW_OP_breg7 (rsp) */, 0, \ - 0x06 /* DW_OP_deref */, \ -- 0x08 /* DW_OP_const1u */, SIZEOF_PTREGS-RBP, \ -+ 0x08 /* DW_OP_const1u */, SIZEOF_PTREGS, \ - 0x22 /* DW_OP_plus */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rdi) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif -+ - /* We entered an interrupt context - irqs are off: */ - TRACE_IRQS_OFF - -@@ -735,13 +1158,12 @@ ret_from_intr: - - /* Restore saved previous stack */ - popq %rsi -- CFI_DEF_CFA rsi,SIZEOF_PTREGS-RBP /* reg/off reset after def_cfa_expr */ -- /* return code expects complete pt_regs - adjust rsp accordingly: */ -- leaq -RBP(%rsi),%rsp -+ CFI_DEF_CFA rsi,SIZEOF_PTREGS /* reg/off reset after def_cfa_expr */ -+ movq %rsi, %rsp - CFI_DEF_CFA_REGISTER rsp -- CFI_ADJUST_CFA_OFFSET RBP -+ CFI_ADJUST_CFA_OFFSET 0 - -- testl $3,CS(%rsp) -+ testb $3,CS(%rsp) - je retint_kernel - /* Interrupt came from user space */ - -@@ -763,6 +1185,8 @@ retint_swapgs: /* return to user-space */ - * The iretq could re-enable interrupts: - */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel_user -+# pax_erase_kstack - TRACE_IRQS_IRETQ - - SWAPGS -@@ -781,6 +1205,21 @@ retint_kernel: - jmp 0b - 1: - #endif -+ -+ pax_exit_kernel -+ -+#if defined(CONFIG_EFI) && defined(CONFIG_PAX_KERNEXEC) -+ /* This is a quirk to allow IRQs/NMIs/MCEs during early EFI setup, -+ * namely calling EFI runtime services with a phys mapping. We're -+ * starting off with NOPs and patch in the real instrumentation -+ * (BTS/OR) before starting any userland process; even before starting -+ * up the APs. -+ */ -+ ALTERNATIVE "", "pax_force_retaddr 16*8", X86_FEATURE_ALWAYS -+#else -+ pax_force_retaddr RIP -+#endif -+ - /* - * The iretq could re-enable interrupts: - */ -@@ -822,15 +1261,15 @@ native_irq_return_ldt: - SWAPGS - movq PER_CPU_VAR(espfix_waddr),%rdi - movq %rax,(0*8)(%rdi) /* RAX */ -- movq (2*8)(%rsp),%rax /* RIP */ -+ movq (2*8 + RIP-RIP)(%rsp),%rax /* RIP */ - movq %rax,(1*8)(%rdi) -- movq (3*8)(%rsp),%rax /* CS */ -+ movq (2*8 + CS-RIP)(%rsp),%rax /* CS */ - movq %rax,(2*8)(%rdi) -- movq (4*8)(%rsp),%rax /* RFLAGS */ -+ movq (2*8 + EFLAGS-RIP)(%rsp),%rax /* RFLAGS */ - movq %rax,(3*8)(%rdi) -- movq (6*8)(%rsp),%rax /* SS */ -+ movq (2*8 + SS-RIP)(%rsp),%rax /* SS */ - movq %rax,(5*8)(%rdi) -- movq (5*8)(%rsp),%rax /* RSP */ -+ movq (2*8 + RSP-RIP)(%rsp),%rax /* RSP */ - movq %rax,(4*8)(%rdi) - andl $0xffff0000,%eax - popq_cfi %rdi -@@ -873,7 +1312,7 @@ retint_signal: - jmp retint_with_reschedule - - CFI_ENDPROC --END(common_interrupt) -+ENDPROC(common_interrupt) - - /* - * APIC interrupts. -@@ -887,7 +1326,7 @@ ENTRY(\sym) - interrupt \do_sym - jmp ret_from_intr - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -960,7 +1399,7 @@ apicinterrupt IRQ_WORK_VECTOR \ - /* - * Exception entry points. - */ --#define CPU_TSS_IST(x) PER_CPU_VAR(cpu_tss) + (TSS_ist + ((x) - 1) * 8) -+#define CPU_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r13) - - .macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 - ENTRY(\sym) -@@ -1016,6 +1455,12 @@ ENTRY(\sym) - .endif - - .if \shift_ist != -1 -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r13d -+ lea cpu_tss(%r13), %r13 -+#else -+ lea cpu_tss(%rip), %r13 -+#endif - subq $EXCEPTION_STKSZ, CPU_TSS_IST(\shift_ist) - .endif - -@@ -1063,7 +1508,7 @@ ENTRY(\sym) - .endif - - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -1104,9 +1549,10 @@ gs_change: - 2: mfence /* workaround */ - SWAPGS - popfq_cfi -+ pax_force_retaddr - ret - CFI_ENDPROC --END(native_load_gs_index) -+ENDPROC(native_load_gs_index) - - _ASM_EXTABLE(gs_change,bad_gs) - .section .fixup,"ax" -@@ -1134,9 +1580,10 @@ ENTRY(do_softirq_own_stack) - CFI_DEF_CFA_REGISTER rsp - CFI_ADJUST_CFA_OFFSET -8 - decl PER_CPU_VAR(irq_count) -+ pax_force_retaddr - ret - CFI_ENDPROC --END(do_softirq_own_stack) -+ENDPROC(do_softirq_own_stack) - - #ifdef CONFIG_XEN - idtentry xen_hypervisor_callback xen_do_hypervisor_callback has_error_code=0 -@@ -1177,7 +1624,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs) - #endif - jmp error_exit - CFI_ENDPROC --END(xen_do_hypervisor_callback) -+ENDPROC(xen_do_hypervisor_callback) - - /* - * Hypervisor uses this for application faults while it executes. -@@ -1238,7 +1685,7 @@ ENTRY(xen_failsafe_callback) - SAVE_EXTRA_REGS - jmp error_exit - CFI_ENDPROC --END(xen_failsafe_callback) -+ENDPROC(xen_failsafe_callback) - - apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \ - xen_hvm_callback_vector xen_evtchn_do_upcall -@@ -1284,9 +1731,39 @@ ENTRY(paranoid_entry) - js 1f /* negative -> in kernel */ - SWAPGS - xorl %ebx,%ebx --1: ret -+1: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS+8(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif -+ pax_force_retaddr -+ ret - CFI_ENDPROC --END(paranoid_entry) -+ENDPROC(paranoid_entry) -+ -+ENTRY(paranoid_entry_nmi) -+ XCPT_FRAME 1 15*8 -+ cld -+ SAVE_C_REGS 8 -+ SAVE_EXTRA_REGS 8 -+ movl $1,%ebx -+ movl $MSR_GS_BASE,%ecx -+ rdmsr -+ testl %edx,%edx -+ js 1f /* negative -> in kernel */ -+ SWAPGS -+ xorl %ebx,%ebx -+1: pax_enter_kernel_nmi -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(paranoid_entry_nmi) - - /* - * "Paranoid" exit path from exception stack. This is invoked -@@ -1303,20 +1780,27 @@ ENTRY(paranoid_exit) - DEFAULT_FRAME - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF_DEBUG -- testl %ebx,%ebx /* swapgs needed? */ -+ testl $1,%ebx /* swapgs needed? */ - jnz paranoid_exit_no_swapgs -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - TRACE_IRQS_IRETQ - SWAPGS_UNSAFE_STACK - jmp paranoid_exit_restore - paranoid_exit_no_swapgs: -+ pax_exit_kernel - TRACE_IRQS_IRETQ_DEBUG - paranoid_exit_restore: - RESTORE_EXTRA_REGS - RESTORE_C_REGS - REMOVE_PT_GPREGS_FROM_STACK 8 -+ pax_force_retaddr_bts - INTERRUPT_RETURN - CFI_ENDPROC --END(paranoid_exit) -+ENDPROC(paranoid_exit) - - /* - * Save all registers in pt_regs, and switch gs if needed. -@@ -1328,12 +1812,23 @@ ENTRY(error_entry) - SAVE_C_REGS 8 - SAVE_EXTRA_REGS 8 - xorl %ebx,%ebx -- testl $3,CS+8(%rsp) -+ testb $3,CS+8(%rsp) - je error_kernelspace - error_swapgs: - SWAPGS - error_sti: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS+8(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - TRACE_IRQS_OFF -+ pax_force_retaddr - ret - - /* -@@ -1368,7 +1863,7 @@ error_bad_iret: - decl %ebx /* Return to usergs */ - jmp error_sti - CFI_ENDPROC --END(error_entry) -+ENDPROC(error_entry) - - - /* On entry, ebx is "no swapgs" flag (1: don't need swapgs, 0: need it) */ -@@ -1379,7 +1874,7 @@ ENTRY(error_exit) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF - GET_THREAD_INFO(%rcx) -- testl %eax,%eax -+ testl $1,%eax - jne retint_kernel - LOCKDEP_SYS_EXIT_IRQ - movl TI_flags(%rcx),%edx -@@ -1388,7 +1883,7 @@ ENTRY(error_exit) - jnz retint_careful - jmp retint_swapgs - CFI_ENDPROC --END(error_exit) -+ENDPROC(error_exit) - - /* Runs on exception stack */ - ENTRY(nmi) -@@ -1473,6 +1968,12 @@ ENTRY(nmi) - pushq %r14 /* pt_regs->r14 */ - pushq %r15 /* pt_regs->r15 */ - -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ xorl %ebx,%ebx -+#endif -+ -+ pax_enter_kernel_nmi -+ - /* - * At this point we no longer need to worry about stack damage - * due to nesting -- we're on the normal thread stack and we're -@@ -1482,12 +1983,19 @@ ENTRY(nmi) - movq $-1, %rsi - call do_nmi - -+ pax_exit_kernel_nmi -+ - /* - * Return back to user mode. We must *not* do the normal exit - * work, because we don't want to enable interrupts. Fortunately, - * do_nmi doesn't modify pt_regs. - */ - SWAPGS -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ movq_cfi_restore RBX, rbx -+#endif -+ - jmp restore_c_regs_and_iret - - .Lnmi_from_kernel: -@@ -1595,8 +2103,7 @@ nested_nmi: - * Modify the "iret" frame to point to repeat_nmi, forcing another - * iteration of NMI handling. - */ -- leaq -1*8(%rsp), %rdx -- movq %rdx, %rsp -+ subq $8, %rsp - CFI_ADJUST_CFA_OFFSET 1*8 - leaq -10*8(%rsp), %rdx - pushq_cfi $__KERNEL_DS -@@ -1614,6 +2121,7 @@ nested_nmi_out: - CFI_RESTORE rdx - - /* We are returning to kernel mode, so this cannot result in a fault. */ -+# pax_force_retaddr_bts - INTERRUPT_RETURN - - CFI_RESTORE_STATE -@@ -1679,13 +2187,13 @@ end_repeat_nmi: - ALLOC_PT_GPREGS_ON_STACK - - /* -- * Use paranoid_entry to handle SWAPGS, but no need to use paranoid_exit -+ * Use paranoid_entry_nmi to handle SWAPGS, but no need to use paranoid_exit - * as we should not be calling schedule in NMI context. - * Even with normal interrupts enabled. An NMI should not be - * setting NEED_RESCHED or anything that normal interrupts and - * exceptions might do. - */ -- call paranoid_entry -+ call paranoid_entry_nmi - DEFAULT_FRAME 0 - - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ -@@ -1693,7 +2201,9 @@ end_repeat_nmi: - movq $-1,%rsi - call do_nmi - -- testl %ebx,%ebx /* swapgs needed? */ -+ pax_exit_kernel_nmi -+ -+ testl $1,%ebx /* swapgs needed? */ - jnz nmi_restore - nmi_swapgs: - SWAPGS_UNSAFE_STACK -@@ -1704,6 +2214,8 @@ nmi_restore: - /* Point RSP at the "iret" frame. */ - REMOVE_PT_GPREGS_FROM_STACK 6*8 - -+ pax_force_retaddr_bts -+ - /* - * Clear "NMI executing". Set DF first so that we can easily - * distinguish the remaining code between here and IRET from -@@ -1722,12 +2234,12 @@ nmi_restore: - */ - INTERRUPT_RETURN - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(ignore_sysret) - CFI_STARTPROC - mov $-ENOSYS,%eax - sysret - CFI_ENDPROC --END(ignore_sysret) -+ENDPROC(ignore_sysret) - -diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c -index f5d0730..5bce89c 100644 ---- a/arch/x86/kernel/espfix_64.c -+++ b/arch/x86/kernel/espfix_64.c -@@ -70,8 +70,7 @@ static DEFINE_MUTEX(espfix_init_mutex); - #define ESPFIX_MAX_PAGES DIV_ROUND_UP(CONFIG_NR_CPUS, ESPFIX_STACKS_PER_PAGE) - static void *espfix_pages[ESPFIX_MAX_PAGES]; - --static __page_aligned_bss pud_t espfix_pud_page[PTRS_PER_PUD] -- __aligned(PAGE_SIZE); -+static pud_t espfix_pud_page[PTRS_PER_PUD] __page_aligned_rodata; - - static unsigned int page_random, slot_random; - -@@ -122,11 +121,17 @@ static void init_espfix_random(void) - void __init init_espfix_bsp(void) - { - pgd_t *pgd_p; -+ unsigned long index = pgd_index(ESPFIX_BASE_ADDR); - - /* Install the espfix pud into the kernel page directory */ -- pgd_p = &init_level4_pgt[pgd_index(ESPFIX_BASE_ADDR)]; -+ pgd_p = &init_level4_pgt[index]; - pgd_populate(&init_mm, pgd_p, (pud_t *)espfix_pud_page); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + index, swapper_pg_dir + index, 1); -+ clone_pgd_range(get_cpu_pgd(0, user) + index, swapper_pg_dir + index, 1); -+#endif -+ - /* Randomize the locations */ - init_espfix_random(); - -@@ -194,7 +199,7 @@ void init_espfix_ap(void) - set_pte(&pte_p[n*PTE_STRIDE], pte); - - /* Job is done for this CPU and any CPU which shares this page */ -- ACCESS_ONCE(espfix_pages[page]) = stack_page; -+ ACCESS_ONCE_RW(espfix_pages[page]) = stack_page; - - unlock_done: - mutex_unlock(&espfix_init_mutex); -diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c -index 8b7b0a5..02219db 100644 ---- a/arch/x86/kernel/ftrace.c -+++ b/arch/x86/kernel/ftrace.c -@@ -89,7 +89,7 @@ static unsigned long text_ip_addr(unsigned long ip) - * kernel identity mapping to modify code. - */ - if (within(ip, (unsigned long)_text, (unsigned long)_etext)) -- ip = (unsigned long)__va(__pa_symbol(ip)); -+ ip = (unsigned long)__va(__pa_symbol(ktla_ktva(ip))); - - return ip; - } -@@ -105,6 +105,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code, - { - unsigned char replaced[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - /* - * Note: Due to modules and __init, code can - * disappear and change, we need to protect against faulting -@@ -230,7 +232,7 @@ static int update_ftrace_func(unsigned long ip, void *new) - unsigned char old[MCOUNT_INSN_SIZE]; - int ret; - -- memcpy(old, (void *)ip, MCOUNT_INSN_SIZE); -+ memcpy(old, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE); - - ftrace_update_func = ip; - /* Make sure the breakpoints see the ftrace_update_func update */ -@@ -311,7 +313,7 @@ static int add_break(unsigned long ip, const char *old) - unsigned char replaced[MCOUNT_INSN_SIZE]; - unsigned char brk = BREAKPOINT_INSTRUCTION; - -- if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) -+ if (probe_kernel_read(replaced, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE)) - return -EFAULT; - - /* Make sure it is what we expect it to be */ -@@ -670,11 +672,11 @@ static unsigned char *ftrace_jmp_replace(unsigned long ip, unsigned long addr) - /* Module allocation simplifies allocating memory for code */ - static inline void *alloc_tramp(unsigned long size) - { -- return module_alloc(size); -+ return module_alloc_exec(size); - } - static inline void tramp_free(void *tramp) - { -- module_memfree(tramp); -+ module_memfree_exec(tramp); - } - #else - /* Trampolines can only be created if modules are supported */ -@@ -753,7 +755,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - *tramp_size = size + MCOUNT_INSN_SIZE + sizeof(void *); - - /* Copy ftrace_caller onto the trampoline memory */ -+ pax_open_kernel(); - ret = probe_kernel_read(trampoline, (void *)start_offset, size); -+ pax_close_kernel(); - if (WARN_ON(ret < 0)) { - tramp_free(trampoline); - return 0; -@@ -763,6 +767,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - /* The trampoline ends with a jmp to ftrace_return */ - jmp = ftrace_jmp_replace(ip, (unsigned long)ftrace_return); -+ pax_open_kernel(); - memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE); - - /* -@@ -775,6 +780,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE); - *ptr = (unsigned long)ops; -+ pax_close_kernel(); - - op_offset -= start_offset; - memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE); -@@ -792,7 +798,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - op_ptr.offset = offset; - - /* put in the new offset to the ftrace_ops */ -+ pax_open_kernel(); - memcpy(trampoline + op_offset, &op_ptr, OP_REF_SIZE); -+ pax_close_kernel(); - - /* ALLOC_TRAMP flags lets us know we created it */ - ops->flags |= FTRACE_OPS_FL_ALLOC_TRAMP; -diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c -index f129a9a..af8f6da 100644 ---- a/arch/x86/kernel/head64.c -+++ b/arch/x86/kernel/head64.c -@@ -68,12 +68,12 @@ again: - pgd = *pgd_p; - - /* -- * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is -- * critical -- __PAGE_OFFSET would point us back into the dynamic -+ * The use of __early_va rather than __va here is critical: -+ * __va would point us back into the dynamic - * range and we might end up looping forever... - */ - if (pgd) -- pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pud_p = (pudval_t *)(__early_va(pgd & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -83,13 +83,13 @@ again: - pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++]; - for (i = 0; i < PTRS_PER_PUD; i++) - pud_p[i] = 0; -- *pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pgd_p = (pgdval_t)__pa(pud_p) + _KERNPG_TABLE; - } - pud_p += pud_index(address); - pud = *pud_p; - - if (pud) -- pmd_p = (pmdval_t *)((pud & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pmd_p = (pmdval_t *)(__early_va(pud & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -99,7 +99,7 @@ again: - pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++]; - for (i = 0; i < PTRS_PER_PMD; i++) - pmd_p[i] = 0; -- *pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pud_p = (pudval_t)__pa(pmd_p) + _KERNPG_TABLE; - } - pmd = (physaddr & PMD_MASK) + early_pmd_flags; - pmd_p[pmd_index(address)] = pmd; -@@ -163,8 +163,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) - - clear_bss(); - -- clear_page(init_level4_pgt); -- - kasan_early_init(); - - for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) -diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S -index 7e429c9..7244a52 100644 ---- a/arch/x86/kernel/head_32.S -+++ b/arch/x86/kernel/head_32.S -@@ -27,6 +27,12 @@ - /* Physical address */ - #define pa(X) ((X) - __PAGE_OFFSET) - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) ((X) - __PAGE_OFFSET) -+#endif -+ - /* - * References to members of the new_cpu_data structure. - */ -@@ -56,11 +62,7 @@ - * and small than max_low_pfn, otherwise will waste some page table entries - */ - --#if PTRS_PER_PMD > 1 --#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD) --#else --#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD) --#endif -+#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE) - - /* - * Number of possible pages in the lowmem region. -@@ -86,6 +88,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE - RESERVE_BRK(pagetables, INIT_MAP_SIZE) - - /* -+ * Real beginning of normal "text" segment -+ */ -+ENTRY(stext) -+ENTRY(_stext) -+ -+/* - * 32-bit kernel entrypoint; only used by the boot CPU. On entry, - * %esi points to the real-mode code as a 32-bit pointer. - * CS and DS must be 4 GB flat segments, but we don't depend on -@@ -93,6 +101,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) - * can. - */ - __HEAD -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jmp startup_32 -+/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */ -+.fill PAGE_SIZE-5,1,0xcc -+#endif -+ - ENTRY(startup_32) - movl pa(stack_start),%ecx - -@@ -114,6 +129,59 @@ ENTRY(startup_32) - 2: - leal -__PAGE_OFFSET(%ecx),%esp - -+#ifdef CONFIG_SMP -+ movl $pa(cpu_gdt_table),%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_PERCPU * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_PERCPU * 8 + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 0(%edi) -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+1: -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi) -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $pa(boot_gdt),%edi -+ movl $__LOAD_PHYSICAL_ADDR,%eax -+ movw %ax,GDT_ENTRY_BOOT_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_BOOT_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_BOOT_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ -+ ljmp $(__BOOT_CS),$1f -+1: -+ -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+ addl $__PAGE_OFFSET,%eax -+1: -+ movb $0xc0,GDT_ENTRY_KERNEL_CS * 8 + 6(%edi) -+ movb $0xc0,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 6(%edi) -+ movw %ax,GDT_ENTRY_KERNEL_CS * 8 + 2(%edi) -+ movw %ax,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_KERNEL_CS * 8 + 4(%edi) -+ movb %al,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_KERNEL_CS * 8 + 7(%edi) -+ movb %ah,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ - /* - * Clear BSS first so that there are no surprises... - */ -@@ -209,8 +277,11 @@ ENTRY(startup_32) - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#endif - #else /* Not PAE */ - - page_pde_offset = (__PAGE_OFFSET >> 20); -@@ -240,8 +311,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_page_table+0xffc) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc) -+#endif - #endif - - #ifdef CONFIG_PARAVIRT -@@ -255,9 +329,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - cmpl $num_subarch_entries, %eax - jae bad_subarch - -- movl pa(subarch_entries)(,%eax,4), %eax -- subl $__PAGE_OFFSET, %eax -- jmp *%eax -+ jmp *pa(subarch_entries)(,%eax,4) - - bad_subarch: - WEAK(lguest_entry) -@@ -269,10 +341,10 @@ WEAK(xen_entry) - __INITDATA - - subarch_entries: -- .long default_entry /* normal x86/PC */ -- .long lguest_entry /* lguest hypervisor */ -- .long xen_entry /* Xen hypervisor */ -- .long default_entry /* Moorestown MID */ -+ .long ta(default_entry) /* normal x86/PC */ -+ .long ta(lguest_entry) /* lguest hypervisor */ -+ .long ta(xen_entry) /* Xen hypervisor */ -+ .long ta(default_entry) /* Moorestown MID */ - num_subarch_entries = (. - subarch_entries) / 4 - .previous - #else -@@ -362,6 +434,7 @@ default_entry: - movl pa(mmu_cr4_features),%eax - movl %eax,%cr4 - -+#ifdef CONFIG_X86_PAE - testb $X86_CR4_PAE, %al # check if PAE is enabled - jz enable_paging - -@@ -390,6 +463,9 @@ default_entry: - /* Make changes effective */ - wrmsr - -+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4) -+#endif -+ - enable_paging: - - /* -@@ -457,14 +533,20 @@ is486: - 1: movl $(__KERNEL_DS),%eax # reload all the segment registers - movl %eax,%ss # after changing gdt. - -- movl $(__USER_DS),%eax # DS/ES contains default USER segment -+# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment - movl %eax,%ds - movl %eax,%es - - movl $(__KERNEL_PERCPU), %eax - movl %eax,%fs # set this cpu's percpu - -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY),%eax -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS),%eax -+#else -+ xorl %eax,%eax -+#endif - movl %eax,%gs - - xorl %eax,%eax # Clear LDT -@@ -521,8 +603,11 @@ setup_once: - * relocation. Manually set base address in stack canary - * segment descriptor. - */ -- movl $gdt_page,%eax -+ movl $cpu_gdt_table,%eax - movl $stack_canary,%ecx -+#ifdef CONFIG_SMP -+ addl $__per_cpu_load,%ecx -+#endif - movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax) - shrl $16, %ecx - movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax) -@@ -559,7 +644,7 @@ early_idt_handler_common: - cmpl $2,(%esp) # X86_TRAP_NMI - je is_nmi # Ignore NMI - -- cmpl $2,%ss:early_recursion_flag -+ cmpl $1,%ss:early_recursion_flag - je hlt_loop - incl %ss:early_recursion_flag - -@@ -597,8 +682,8 @@ early_idt_handler_common: - pushl (20+6*4)(%esp) /* trapno */ - pushl $fault_msg - call printk --#endif - call dump_stack -+#endif - hlt_loop: - hlt - jmp hlt_loop -@@ -618,8 +703,11 @@ ENDPROC(early_idt_handler_common) - /* This is the default interrupt "handler" :-) */ - ALIGN - ignore_int: -- cld - #ifdef CONFIG_PRINTK -+ cmpl $2,%ss:early_recursion_flag -+ je hlt_loop -+ incl %ss:early_recursion_flag -+ cld - pushl %eax - pushl %ecx - pushl %edx -@@ -628,9 +716,6 @@ ignore_int: - movl $(__KERNEL_DS),%eax - movl %eax,%ds - movl %eax,%es -- cmpl $2,early_recursion_flag -- je hlt_loop -- incl early_recursion_flag - pushl 16(%esp) - pushl 24(%esp) - pushl 32(%esp) -@@ -664,29 +749,34 @@ ENTRY(setup_once_ref) - /* - * BSS section - */ --__PAGE_ALIGNED_BSS -- .align PAGE_SIZE - #ifdef CONFIG_X86_PAE -+.section .initial_pg_pmd,"a",@progbits - initial_pg_pmd: - .fill 1024*KPMDS,4,0 - #else -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .fill 1024,4,0 - #endif -+.section .initial_pg_fixmap,"a",@progbits - initial_pg_fixmap: - .fill 1024,4,0 -+.section .empty_zero_page,"a",@progbits - ENTRY(empty_zero_page) - .fill 4096,1,0 -+.section .swapper_pg_dir,"a",@progbits - ENTRY(swapper_pg_dir) -+#ifdef CONFIG_X86_PAE -+ .fill 4,8,0 -+#else - .fill 1024,4,0 -+#endif - - /* - * This starts the data section. - */ - #ifdef CONFIG_X86_PAE --__PAGE_ALIGNED_DATA -- /* Page-aligned for the benefit of paravirt? */ -- .align PAGE_SIZE -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */ - # if KPMDS == 3 -@@ -705,12 +795,20 @@ ENTRY(initial_page_table) - # error "Kernel PMDs should be 1, 2 or 3" - # endif - .align PAGE_SIZE /* needs to be page-sized too */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ENTRY(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill 4,8,0 -+ .endr -+#endif -+ - #endif - - .data - .balign 4 - ENTRY(stack_start) -- .long init_thread_union+THREAD_SIZE -+ .long init_thread_union+THREAD_SIZE-8 - - __INITRODATA - int_msg: -@@ -738,7 +836,7 @@ fault_msg: - * segment size, and 32-bit linear address value: - */ - -- .data -+.section .rodata,"a",@progbits - .globl boot_gdt_descr - .globl idt_descr - -@@ -747,7 +845,7 @@ fault_msg: - .word 0 # 32 bit align gdt_desc.address - boot_gdt_descr: - .word __BOOT_DS+7 -- .long boot_gdt - __PAGE_OFFSET -+ .long pa(boot_gdt) - - .word 0 # 32-bit align idt_desc.address - idt_descr: -@@ -758,7 +856,7 @@ idt_descr: - .word 0 # 32 bit align gdt_desc.address - ENTRY(early_gdt_descr) - .word GDT_ENTRIES*8-1 -- .long gdt_page /* Overwritten for secondary CPUs */ -+ .long cpu_gdt_table /* Overwritten for secondary CPUs */ - - /* - * The boot_gdt must mirror the equivalent in setup.S and is -@@ -767,5 +865,65 @@ ENTRY(early_gdt_descr) - .align L1_CACHE_BYTES - ENTRY(boot_gdt) - .fill GDT_ENTRY_BOOT_CS,8,0 -- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */ -- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */ -+ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */ -+ -+ .align PAGE_SIZE_asm -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x0000000000000000 /* 0x0b reserved */ -+ .quad 0x0000000000000000 /* 0x13 reserved */ -+ .quad 0x0000000000000000 /* 0x1b reserved */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */ -+#else -+ .quad 0x0000000000000000 /* 0x20 unused */ -+#endif -+ -+ .quad 0x0000000000000000 /* 0x28 unused */ -+ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */ -+ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */ -+ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */ -+ .quad 0x0000000000000000 /* 0x4b reserved */ -+ .quad 0x0000000000000000 /* 0x53 reserved */ -+ .quad 0x0000000000000000 /* 0x5b reserved */ -+ -+ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */ -+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */ -+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */ -+ -+ .quad 0x0000000000000000 /* 0x80 TSS descriptor */ -+ .quad 0x0000000000000000 /* 0x88 LDT descriptor */ -+ -+ /* -+ * Segments used for calling PnP BIOS have byte granularity. -+ * The code segments and data segments have fixed 64k limits, -+ * the transfer segment sizes are set at run time. -+ */ -+ .quad 0x00409b000000ffff /* 0x90 32-bit code */ -+ .quad 0x00009b000000ffff /* 0x98 16-bit code */ -+ .quad 0x000093000000ffff /* 0xa0 16-bit data */ -+ .quad 0x0000930000000000 /* 0xa8 16-bit data */ -+ .quad 0x0000930000000000 /* 0xb0 16-bit data */ -+ -+ /* -+ * The APM segments have byte granularity and their bases -+ * are set at run time. All have 64k limits. -+ */ -+ .quad 0x00409b000000ffff /* 0xb8 APM CS code */ -+ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */ -+ .quad 0x004093000000ffff /* 0xc8 APM DS data */ -+ -+ .quad 0x00c093000000ffff /* 0xd0 - ESPFIX SS */ -+ .quad 0x0040930000000000 /* 0xd8 - PERCPU */ -+ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */ -+ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */ -+ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */ -+ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ -+ -+ /* Be sure this is zeroed to avoid false validations in Xen */ -+ .fill PAGE_SIZE_asm - GDT_SIZE,1,0 -+ .endr -diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S -index 7e5da2c..761adf1 100644 ---- a/arch/x86/kernel/head_64.S -+++ b/arch/x86/kernel/head_64.S -@@ -20,6 +20,8 @@ - #include <asm/processor-flags.h> - #include <asm/percpu.h> - #include <asm/nops.h> -+#include <asm/cpufeature.h> -+#include <asm/alternative-asm.h> - - #ifdef CONFIG_PARAVIRT - #include <asm/asm-offsets.h> -@@ -41,6 +43,12 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET) - L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET) - L4_START_KERNEL = pgd_index(__START_KERNEL_map) - L3_START_KERNEL = pud_index(__START_KERNEL_map) -+L4_VMALLOC_START = pgd_index(VMALLOC_START) -+L3_VMALLOC_START = pud_index(VMALLOC_START) -+L4_VMALLOC_END = pgd_index(VMALLOC_END) -+L3_VMALLOC_END = pud_index(VMALLOC_END) -+L4_VMEMMAP_START = pgd_index(VMEMMAP_START) -+L3_VMEMMAP_START = pud_index(VMEMMAP_START) - - .text - __HEAD -@@ -89,11 +97,26 @@ startup_64: - * Fixup the physical addresses in the page table - */ - addq %rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip) - -- addq %rbp, level3_kernel_pgt + (510*8)(%rip) -- addq %rbp, level3_kernel_pgt + (511*8)(%rip) -+ addq %rbp, level3_ident_pgt + (0*8)(%rip) -+#ifndef CONFIG_XEN -+ addq %rbp, level3_ident_pgt + (1*8)(%rip) -+#endif - -+ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip) -+ -+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip) -+ addq %rbp, level3_kernel_pgt + ((L3_START_KERNEL+1)*8)(%rip) -+ -+ addq %rbp, level2_fixmap_pgt + (504*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (505*8)(%rip) - addq %rbp, level2_fixmap_pgt + (506*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (507*8)(%rip) - - /* - * Set up the identity mapping for the switchover. These -@@ -174,11 +197,12 @@ ENTRY(secondary_startup_64) - * after the boot processor executes this code. - */ - -+ orq $-1, %rbp - movq $(init_level4_pgt - __START_KERNEL_map), %rax - 1: - -- /* Enable PAE mode and PGE */ -- movl $(X86_CR4_PAE | X86_CR4_PGE), %ecx -+ /* Enable PAE mode and PSE/PGE */ -+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %ecx - movq %rcx, %cr4 - - /* Setup early boot stage 4 level pagetables. */ -@@ -199,10 +223,21 @@ ENTRY(secondary_startup_64) - movl $MSR_EFER, %ecx - rdmsr - btsl $_EFER_SCE, %eax /* Enable System Call */ -- btl $20,%edi /* No Execute supported? */ -+ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */ - jnc 1f - btsl $_EFER_NX, %eax -+ cmpq $-1, %rbp -+ je 1f - btsq $_PAGE_BIT_NX,early_pmd_flags(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_PAGE_OFFSET(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_START(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_END(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMEMMAP_START(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*504(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*505(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*506(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*507(%rip) -+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip) - 1: wrmsr /* Make changes effective */ - - /* Setup cr0 */ -@@ -282,6 +317,7 @@ ENTRY(secondary_startup_64) - * REX.W + FF /5 JMP m16:64 Jump far, absolute indirect, - * address given in m16:64. - */ -+ pax_set_fptr_mask - movq initial_code(%rip),%rax - pushq $0 # fake return address to stop unwinder - pushq $__KERNEL_CS # set correct cs -@@ -313,7 +349,7 @@ ENDPROC(start_cpu0) - .quad INIT_PER_CPU_VAR(irq_stack_union) - - GLOBAL(stack_start) -- .quad init_thread_union+THREAD_SIZE-8 -+ .quad init_thread_union+THREAD_SIZE-16 - .word 0 - __FINITDATA - -@@ -393,7 +429,7 @@ early_idt_handler_common: - call dump_stack - #ifdef CONFIG_KALLSYMS - leaq early_idt_ripmsg(%rip),%rdi -- movq 40(%rsp),%rsi # %rip again -+ movq 88(%rsp),%rsi # %rip again - call __print_symbol - #endif - #endif /* EARLY_PRINTK */ -@@ -422,6 +458,7 @@ ENDPROC(early_idt_handler_common) - early_recursion_flag: - .long 0 - -+ .section .rodata,"a",@progbits - #ifdef CONFIG_EARLY_PRINTK - early_idt_msg: - .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n" -@@ -449,29 +486,52 @@ NEXT_PAGE(early_level4_pgt) - NEXT_PAGE(early_dynamic_pgts) - .fill 512*EARLY_DYNAMIC_PAGE_TABLES,8,0 - -- .data -+ .section .rodata,"a",@progbits - --#ifndef CONFIG_XEN - NEXT_PAGE(init_level4_pgt) -- .fill 512,8,0 --#else --NEXT_PAGE(init_level4_pgt) -- .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_PAGE_OFFSET*8, 0 - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_START*8, 0 -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_END*8, 0 -+ .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMEMMAP_START*8, 0 -+ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_START_KERNEL*8, 0 - /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */ - .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+NEXT_PAGE(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill 512,8,0 -+ .endr -+#endif -+ - NEXT_PAGE(level3_ident_pgt) - .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+#ifdef CONFIG_XEN - .fill 511, 8, 0 -+#else -+ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE -+ .fill 510,8,0 -+#endif -+ -+NEXT_PAGE(level3_vmalloc_start_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmalloc_end_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmemmap_pgt) -+ .fill L3_VMEMMAP_START,8,0 -+ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ - NEXT_PAGE(level2_ident_pgt) -- /* Since I easily can, map the first 1G. -+ /* Since I easily can, map the first 2G. - * Don't set NX because code runs from these pages. - */ -- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD) --#endif -+ PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD) - - NEXT_PAGE(level3_kernel_pgt) - .fill L3_START_KERNEL,8,0 -@@ -479,6 +539,9 @@ NEXT_PAGE(level3_kernel_pgt) - .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE - -+NEXT_PAGE(level2_vmemmap_pgt) -+ .fill 512,8,0 -+ - NEXT_PAGE(level2_kernel_pgt) - /* - * 512 MB kernel mapping. We spend a full page on this pagetable -@@ -494,31 +557,69 @@ NEXT_PAGE(level2_kernel_pgt) - KERNEL_IMAGE_SIZE/PMD_SIZE) - - NEXT_PAGE(level2_fixmap_pgt) -- .fill 506,8,0 -- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE -- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ -- .fill 5,8,0 -+ .fill 504,8,0 -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 0 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 1 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 2 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE -+ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */ -+ .fill 4,8,0 - - NEXT_PAGE(level1_fixmap_pgt) -+ .fill 3*512,8,0 -+ -+NEXT_PAGE(level1_vsyscall_pgt) - .fill 512,8,0 - - #undef PMDS - -- .data -+ .align PAGE_SIZE -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ -+ .quad 0x00cffb000000ffff /* __USER32_CS */ -+ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */ -+ .quad 0x00affb000000ffff /* __USER_CS */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ .quad 0,0 /* TSS */ -+ .quad 0,0 /* LDT */ -+ .quad 0,0,0 /* three TLS descriptors */ -+ .quad 0x0000f40000000000 /* node/CPU stored in limit */ -+ /* asm/segment.h:GDT_ENTRIES must match this */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ .quad 0x00cf93000000ffff /* __UDEREF_KERNEL_DS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ /* zero the remaining page */ -+ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0 -+ .endr -+ - .align 16 - .globl early_gdt_descr - early_gdt_descr: - .word GDT_ENTRIES*8-1 - early_gdt_descr_base: -- .quad INIT_PER_CPU_VAR(gdt_page) -+ .quad cpu_gdt_table - - ENTRY(phys_base) - /* This must match the first entry in level2_kernel_pgt */ - .quad 0x0000000000000000 - - #include "../../x86/xen/xen-head.S" -- -- __PAGE_ALIGNED_BSS -+ -+ .section .rodata,"a",@progbits - NEXT_PAGE(empty_zero_page) - .skip PAGE_SIZE - -diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c -index 05fd74f..c3548b1 100644 ---- a/arch/x86/kernel/i386_ksyms_32.c -+++ b/arch/x86/kernel/i386_ksyms_32.c -@@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void); - EXPORT_SYMBOL(cmpxchg8b_emu); - #endif - -+EXPORT_SYMBOL_GPL(cpu_gdt_table); -+ - /* Networking helper routines. */ - EXPORT_SYMBOL(csum_partial_copy_generic); -+EXPORT_SYMBOL(csum_partial_copy_generic_to_user); -+EXPORT_SYMBOL(csum_partial_copy_generic_from_user); - - EXPORT_SYMBOL(__get_user_1); - EXPORT_SYMBOL(__get_user_2); -@@ -44,3 +48,11 @@ EXPORT_SYMBOL(___preempt_schedule); - EXPORT_SYMBOL(___preempt_schedule_context); - #endif - #endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR); -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+EXPORT_SYMBOL(cpu_pgd); -+#endif -diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c -index e7cc537..67d7372 100644 ---- a/arch/x86/kernel/i8259.c -+++ b/arch/x86/kernel/i8259.c -@@ -110,7 +110,7 @@ static int i8259A_irq_pending(unsigned int irq) - static void make_8259A_irq(unsigned int irq) - { - disable_irq_nosync(irq); -- io_apic_irqs &= ~(1<<irq); -+ io_apic_irqs &= ~(1UL<<irq); - irq_set_chip_and_handler(irq, &i8259A_chip, handle_level_irq); - enable_irq(irq); - } -@@ -208,7 +208,7 @@ spurious_8259A_irq: - "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -@@ -349,14 +349,16 @@ static void init_8259A(int auto_eoi) - /* (slave's support for AEOI in flat mode is to be investigated) */ - outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); - -+ pax_open_kernel(); - if (auto_eoi) - /* - * In AEOI mode we just have to mask the interrupt - * when acking. - */ -- i8259A_chip.irq_mask_ack = disable_8259A_irq; -+ *(void **)&i8259A_chip.irq_mask_ack = disable_8259A_irq; - else -- i8259A_chip.irq_mask_ack = mask_and_ack_8259A; -+ *(void **)&i8259A_chip.irq_mask_ack = mask_and_ack_8259A; -+ pax_close_kernel(); - - udelay(100); /* wait for 8259A to initialize */ - -diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c -index a979b5b..1d6db75 100644 ---- a/arch/x86/kernel/io_delay.c -+++ b/arch/x86/kernel/io_delay.c -@@ -58,7 +58,7 @@ static int __init dmi_io_delay_0xed_port(const struct dmi_system_id *id) - * Quirk table for systems that misbehave (lock up, etc.) if port - * 0x80 is used: - */ --static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = { -+static const struct dmi_system_id __initconst io_delay_0xed_port_dmi_table[] = { - { - .callback = dmi_io_delay_0xed_port, - .ident = "Compaq Presario V6000", -diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c -index 37dae79..620dd84 100644 ---- a/arch/x86/kernel/ioport.c -+++ b/arch/x86/kernel/ioport.c -@@ -6,6 +6,7 @@ - #include <linux/sched.h> - #include <linux/kernel.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/errno.h> - #include <linux/types.h> - #include <linux/ioport.h> -@@ -30,6 +31,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - return -EINVAL; - if (turn_on && !capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (turn_on && grsec_disable_privio) { -+ gr_handle_ioperm(); -+ return -ENODEV; -+ } -+#endif - - /* - * If it's the first ioperm() call in this thread's lifetime, set the -@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - * because the ->io_bitmap_max value must match the bitmap - * contents: - */ -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - - if (turn_on) - bitmap_clear(t->io_bitmap_ptr, from, num); -@@ -105,6 +112,12 @@ SYSCALL_DEFINE1(iopl, unsigned int, level) - if (level > old) { - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (grsec_disable_privio) { -+ gr_handle_iopl(); -+ return -ENODEV; -+ } -+#endif - } - regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12); - t->iopl = level << 12; -diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c -index e5952c2..11c3a54 100644 ---- a/arch/x86/kernel/irq.c -+++ b/arch/x86/kernel/irq.c -@@ -22,7 +22,7 @@ - #define CREATE_TRACE_POINTS - #include <asm/trace/irq_vectors.h> - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - /* Function pointer for generic interrupt vector handling */ - void (*x86_platform_ipi_callback)(void) = NULL; -@@ -132,9 +132,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) - seq_printf(p, "%10u ", irq_stats(j)->irq_hv_callback_count); - seq_puts(p, " Hypervisor callback interrupts\n"); - #endif -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - #if defined(CONFIG_X86_IO_APIC) -- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count)); - #endif - return 0; - } -@@ -174,7 +174,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu) - - u64 arch_irq_stat(void) - { -- u64 sum = atomic_read(&irq_err_count); -+ u64 sum = atomic_read_unchecked(&irq_err_count); - return sum; - } - -diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c -index f9fd86a..e6cc9ae 100644 ---- a/arch/x86/kernel/irq_32.c -+++ b/arch/x86/kernel/irq_32.c -@@ -29,6 +29,8 @@ EXPORT_PER_CPU_SYMBOL(irq_regs); - - #ifdef CONFIG_DEBUG_STACKOVERFLOW - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow __read_mostly; - - /* Debugging check for stack overflow: is there less than 1KB free? */ -@@ -39,13 +41,14 @@ static int check_stack_overflow(void) - __asm__ __volatile__("andl %%esp,%0" : - "=r" (sp) : "0" (THREAD_SIZE - 1)); - -- return sp < (sizeof(struct thread_info) + STACK_WARN); -+ return sp < STACK_WARN; - } - - static void print_stack_overflow(void) - { - printk(KERN_WARNING "low stack detected by irq handler\n"); - dump_stack(); -+ gr_handle_kernel_exploit(); - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - } -@@ -77,10 +80,9 @@ static inline void *current_stack(void) - static inline int - execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - { -- struct irq_stack *curstk, *irqstk; -+ struct irq_stack *irqstk; - u32 *isp, *prev_esp, arg1, arg2; - -- curstk = (struct irq_stack *) current_stack(); - irqstk = __this_cpu_read(hardirq_stack); - - /* -@@ -89,15 +91,19 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - * handler) we can't do that and just have to keep using the - * current stack (which is the irq stack already after all) - */ -- if (unlikely(curstk == irqstk)) -+ if (unlikely((void *)current_stack_pointer - (void *)irqstk < THREAD_SIZE)) - return 0; - -- isp = (u32 *) ((char *)irqstk + sizeof(*irqstk)); -+ isp = (u32 *) ((char *)irqstk + sizeof(*irqstk) - 8); - - /* Save the next esp at the bottom of the stack */ - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - if (unlikely(overflow)) - call_on_stack(print_stack_overflow, isp); - -@@ -108,6 +114,11 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - : "0" (irq), "1" (desc), "2" (isp), - "D" (desc->handle_irq) - : "memory", "cc", "ecx"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - return 1; - } - -@@ -116,32 +127,18 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - */ - void irq_ctx_init(int cpu) - { -- struct irq_stack *irqstk; -- - if (per_cpu(hardirq_stack, cpu)) - return; - -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(hardirq_stack, cpu) = irqstk; -- -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(softirq_stack, cpu) = irqstk; -- -- printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", -- cpu, per_cpu(hardirq_stack, cpu), per_cpu(softirq_stack, cpu)); -+ per_cpu(hardirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); -+ per_cpu(softirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); - } - - void do_softirq_own_stack(void) - { -- struct thread_info *curstk; - struct irq_stack *irqstk; - u32 *isp, *prev_esp; - -- curstk = current_stack(); - irqstk = __this_cpu_read(softirq_stack); - - /* build the stack frame on the softirq stack */ -@@ -151,7 +148,16 @@ void do_softirq_own_stack(void) - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - call_on_stack(__do_softirq, isp); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - } - - bool handle_irq(unsigned irq, struct pt_regs *regs) -diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c -index 394e643..824fce8 100644 ---- a/arch/x86/kernel/irq_64.c -+++ b/arch/x86/kernel/irq_64.c -@@ -26,6 +26,8 @@ EXPORT_PER_CPU_SYMBOL(irq_stat); - DEFINE_PER_CPU(struct pt_regs *, irq_regs); - EXPORT_PER_CPU_SYMBOL(irq_regs); - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow; - - /* -@@ -69,6 +71,8 @@ static inline void stack_overflow_check(struct pt_regs *regs) - irq_stack_top, irq_stack_bottom, - estack_top, estack_bottom); - -+ gr_handle_kernel_exploit(); -+ - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - #endif -diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c -index 26d5a55..bf8b49b 100644 ---- a/arch/x86/kernel/jump_label.c -+++ b/arch/x86/kernel/jump_label.c -@@ -31,6 +31,8 @@ static void bug_at(unsigned char *ip, int line) - * Something went wrong. Crash the box, as something could be - * corrupting the kernel. - */ -+ ip = ktla_ktva(ip); -+ pr_warning("Unexpected op at %pS [%p] %s:%d\n", ip, ip, __FILE__, line); - pr_warning("Unexpected op at %pS [%p] (%02x %02x %02x %02x %02x) %s:%d\n", - ip, ip, ip[0], ip[1], ip[2], ip[3], ip[4], __FILE__, line); - BUG(); -@@ -51,7 +53,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * Jump label is enabled for the first time. - * So we expect a default_nop... - */ -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } else { -@@ -59,7 +61,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * ...otherwise expect an ideal_nop. Otherwise - * something went horribly wrong. - */ -- if (unlikely(memcmp((void *)entry->code, ideal_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), ideal_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } -@@ -75,13 +77,13 @@ static void __jump_label_transform(struct jump_entry *entry, - * are converting the default nop to the ideal nop. - */ - if (init) { -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } else { - code.jump = 0xe9; - code.offset = entry->target - - (entry->code + JUMP_LABEL_NOP_SIZE); -- if (unlikely(memcmp((void *)entry->code, &code, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), &code, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } - memcpy(&code, ideal_nops[NOP_ATOMIC5], JUMP_LABEL_NOP_SIZE); -diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c -index d6178d9..e12482f 100644 ---- a/arch/x86/kernel/kgdb.c -+++ b/arch/x86/kernel/kgdb.c -@@ -228,7 +228,10 @@ static void kgdb_correct_hw_break(void) - bp->attr.bp_addr = breakinfo[breakno].addr; - bp->attr.bp_len = breakinfo[breakno].len; - bp->attr.bp_type = breakinfo[breakno].type; -- info->address = breakinfo[breakno].addr; -+ if (breakinfo[breakno].type == X86_BREAKPOINT_EXECUTE) -+ info->address = ktla_ktva(breakinfo[breakno].addr); -+ else -+ info->address = breakinfo[breakno].addr; - info->len = breakinfo[breakno].len; - info->type = breakinfo[breakno].type; - val = arch_install_hw_breakpoint(bp); -@@ -475,12 +478,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, - case 'k': - /* clear the trace bit */ - linux_regs->flags &= ~X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -1); -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1); - - /* set the trace bit if we're stepping */ - if (remcomInBuffer[0] == 's') { - linux_regs->flags |= X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, - raw_smp_processor_id()); - } - -@@ -545,7 +548,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd) - - switch (cmd) { - case DIE_DEBUG: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { - if (user_mode(regs)) - return single_step_cont(regs, args); - break; -@@ -750,11 +753,11 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - #endif /* CONFIG_DEBUG_RODATA */ - - bpt->type = BP_BREAKPOINT; -- err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, -+ err = probe_kernel_read(bpt->saved_instr, ktla_ktva((char *)bpt->bpt_addr), - BREAK_INSTR_SIZE); - if (err) - return err; -- err = probe_kernel_write((char *)bpt->bpt_addr, -+ err = probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr), - arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); - #ifdef CONFIG_DEBUG_RODATA - if (!err) -@@ -767,7 +770,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - return -EBUSY; - text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr, - BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err) - return err; - if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE)) -@@ -792,13 +795,13 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) - if (mutex_is_locked(&text_mutex)) - goto knl_write; - text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE)) - goto knl_write; - return err; - knl_write: - #endif /* CONFIG_DEBUG_RODATA */ -- return probe_kernel_write((char *)bpt->bpt_addr, -+ return probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr), - (char *)bpt->saved_instr, BREAK_INSTR_SIZE); - } - -diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c -index 1deffe6..4705700 100644 ---- a/arch/x86/kernel/kprobes/core.c -+++ b/arch/x86/kernel/kprobes/core.c -@@ -120,9 +120,12 @@ __synthesize_relative_insn(void *from, void *to, u8 op) - s32 raddr; - } __packed *insn; - -- insn = (struct __arch_relative_insn *)from; -+ insn = (struct __arch_relative_insn *)ktla_ktva(from); -+ -+ pax_open_kernel(); - insn->raddr = (s32)((long)(to) - ((long)(from) + 5)); - insn->op = op; -+ pax_close_kernel(); - } - - /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/ -@@ -168,7 +171,7 @@ int can_boost(kprobe_opcode_t *opcodes) - kprobe_opcode_t opcode; - kprobe_opcode_t *orig_opcodes = opcodes; - -- if (search_exception_tables((unsigned long)opcodes)) -+ if (search_exception_tables(ktva_ktla((unsigned long)opcodes))) - return 0; /* Page fault may occur on this address. */ - - retry: -@@ -260,12 +263,12 @@ __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) - * Fortunately, we know that the original code is the ideal 5-byte - * long NOP. - */ -- memcpy(buf, (void *)addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); -+ memcpy(buf, (void *)ktla_ktva(addr), MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); - if (faddr) - memcpy(buf, ideal_nops[NOP_ATOMIC5], 5); - else - buf[0] = kp->opcode; -- return (unsigned long)buf; -+ return ktva_ktla((unsigned long)buf); - } - - /* -@@ -367,7 +370,9 @@ int __copy_instruction(u8 *dest, u8 *src) - /* Another subsystem puts a breakpoint, failed to recover */ - if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION) - return 0; -+ pax_open_kernel(); - memcpy(dest, insn.kaddr, length); -+ pax_close_kernel(); - - #ifdef CONFIG_X86_64 - if (insn_rip_relative(&insn)) { -@@ -394,7 +399,9 @@ int __copy_instruction(u8 *dest, u8 *src) - return 0; - } - disp = (u8 *) dest + insn_offset_displacement(&insn); -+ pax_open_kernel(); - *(s32 *) disp = (s32) newdisp; -+ pax_close_kernel(); - } - #endif - return length; -@@ -536,7 +543,7 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - * nor set current_kprobe, because it doesn't use single - * stepping. - */ -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - preempt_enable_no_resched(); - return; - } -@@ -553,9 +560,9 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - regs->flags &= ~X86_EFLAGS_IF; - /* single step inline if the instruction is an int3 */ - if (p->opcode == BREAKPOINT_INSTRUCTION) -- regs->ip = (unsigned long)p->addr; -+ regs->ip = ktla_ktva((unsigned long)p->addr); - else -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - } - NOKPROBE_SYMBOL(setup_singlestep); - -@@ -640,7 +647,7 @@ int kprobe_int3_handler(struct pt_regs *regs) - setup_singlestep(p, regs, kcb, 0); - return 1; - } -- } else if (*addr != BREAKPOINT_INSTRUCTION) { -+ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) { - /* - * The breakpoint instruction was removed right - * after we hit it. Another cpu has removed -@@ -687,6 +694,9 @@ static void __used kretprobe_trampoline_holder(void) - " movq %rax, 152(%rsp)\n" - RESTORE_REGS_STRING - " popfq\n" -+#ifdef KERNEXEC_PLUGIN -+ " btsq $63,(%rsp)\n" -+#endif - #else - " pushf\n" - SAVE_REGS_STRING -@@ -827,7 +837,7 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs, - struct kprobe_ctlblk *kcb) - { - unsigned long *tos = stack_addr(regs); -- unsigned long copy_ip = (unsigned long)p->ainsn.insn; -+ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn); - unsigned long orig_ip = (unsigned long)p->addr; - kprobe_opcode_t *insn = p->ainsn.insn; - -diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c -index 7b3b9d1..e2478b91 100644 ---- a/arch/x86/kernel/kprobes/opt.c -+++ b/arch/x86/kernel/kprobes/opt.c -@@ -79,6 +79,7 @@ found: - /* Insert a move instruction which sets a pointer to eax/rdi (1st arg). */ - static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - { -+ pax_open_kernel(); - #ifdef CONFIG_X86_64 - *addr++ = 0x48; - *addr++ = 0xbf; -@@ -86,6 +87,7 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - *addr++ = 0xb8; - #endif - *(unsigned long *)addr = val; -+ pax_close_kernel(); - } - - asm ( -@@ -342,7 +344,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - * Verify if the address gap is in 2GB range, because this uses - * a relative jump. - */ -- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE; -+ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE; - if (abs(rel) > 0x7fffffff) { - __arch_remove_optimized_kprobe(op, 0); - return -ERANGE; -@@ -359,16 +361,18 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - op->optinsn.size = ret; - - /* Copy arch-dep-instance from template */ -- memcpy(buf, &optprobe_template_entry, TMPL_END_IDX); -+ pax_open_kernel(); -+ memcpy(buf, ktla_ktva(&optprobe_template_entry), TMPL_END_IDX); -+ pax_close_kernel(); - - /* Set probe information */ - synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op); - - /* Set probe function call */ -- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback); -+ synthesize_relcall(ktva_ktla(buf) + TMPL_CALL_IDX, optimized_callback); - - /* Set returning jmp instruction at the tail of out-of-line buffer */ -- synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size, -+ synthesize_reljump(ktva_ktla(buf) + TMPL_END_IDX + op->optinsn.size, - (u8 *)op->kp.addr + op->optinsn.size); - - flush_icache_range((unsigned long) buf, -@@ -393,7 +397,7 @@ void arch_optimize_kprobes(struct list_head *oplist) - WARN_ON(kprobe_disabled(&op->kp)); - - /* Backup instructions which will be replaced by jump address */ -- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE, -+ memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE, - RELATIVE_ADDR_SIZE); - - insn_buf[0] = RELATIVEJUMP_OPCODE; -@@ -441,7 +445,7 @@ int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter) - /* This kprobe is really able to run optimized path. */ - op = container_of(p, struct optimized_kprobe, kp); - /* Detour through copied instructions */ -- regs->ip = (unsigned long)op->optinsn.insn + TMPL_END_IDX; -+ regs->ip = ktva_ktla((unsigned long)op->optinsn.insn) + TMPL_END_IDX; - if (!reenter) - reset_current_kprobe(); - preempt_enable_no_resched(); -diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c -index c2bedae..25e7ab60 100644 ---- a/arch/x86/kernel/ksysfs.c -+++ b/arch/x86/kernel/ksysfs.c -@@ -184,7 +184,7 @@ out: - - static struct kobj_attribute type_attr = __ATTR_RO(type); - --static struct bin_attribute data_attr = { -+static bin_attribute_no_const data_attr __read_only = { - .attr = { - .name = "data", - .mode = S_IRUGO, -diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c -index c37886d..f43b63d 100644 ---- a/arch/x86/kernel/ldt.c -+++ b/arch/x86/kernel/ldt.c -@@ -11,6 +11,7 @@ - #include <linux/sched.h> - #include <linux/string.h> - #include <linux/mm.h> -+#include <linux/ratelimit.h> - #include <linux/smp.h> - #include <linux/vmalloc.h> - #include <linux/uaccess.h> -@@ -20,6 +21,14 @@ - #include <asm/mmu_context.h> - #include <asm/syscalls.h> - -+#ifdef CONFIG_GRKERNSEC -+int sysctl_modify_ldt __read_only = 0; -+#elif defined(CONFIG_DEFAULT_MODIFY_LDT_SYSCALL) -+int sysctl_modify_ldt __read_only = 1; -+#else -+int sysctl_modify_ldt __read_only = 0; -+#endif -+ - #ifdef CONFIG_SMP - static void flush_ldt(void *current_mm) - { -@@ -66,13 +75,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) - if (reload) { - #ifdef CONFIG_SMP - preempt_disable(); -- load_LDT(pc); -+ load_LDT_nolock(pc); - if (!cpumask_equal(mm_cpumask(current->mm), - cpumask_of(smp_processor_id()))) - smp_call_function(flush_ldt, current->mm, 1); - preempt_enable(); - #else -- load_LDT(pc); -+ load_LDT_nolock(pc); - #endif - } - if (oldsize) { -@@ -94,7 +103,7 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old) - return err; - - for (i = 0; i < old->size; i++) -- write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); -+ write_ldt_entry(new->ldt, i, old->ldt + i); - return 0; - } - -@@ -115,6 +124,24 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) - retval = copy_ldt(&mm->context, &old_mm->context); - mutex_unlock(&old_mm->context.lock); - } -+ -+ if (tsk == current) { -+ mm->context.vdso = 0; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ mm->context.user_cs_base = 0UL; -+ mm->context.user_cs_limit = ~0UL; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - return retval; - } - -@@ -229,6 +256,13 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) { -+ error = -EINVAL; -+ goto out_unlock; -+ } -+#endif -+ - if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { - error = -EINVAL; - goto out_unlock; -@@ -254,6 +288,15 @@ asmlinkage int sys_modify_ldt(int func, void __user *ptr, - { - int ret = -ENOSYS; - -+ if (!sysctl_modify_ldt) { -+ printk_ratelimited(KERN_INFO -+ "Denied a call to modify_ldt() from %s[%d] (uid: %d)." -+ " Adjust sysctl if this was not an exploit attempt.\n", -+ current->comm, task_pid_nr(current), -+ from_kuid_munged(current_user_ns(), current_uid())); -+ return ret; -+ } -+ - switch (func) { - case 0: - ret = read_ldt(ptr, bytecount); -diff --git a/arch/x86/kernel/livepatch.c b/arch/x86/kernel/livepatch.c -index ff3c3101d..d7c0cd8 100644 ---- a/arch/x86/kernel/livepatch.c -+++ b/arch/x86/kernel/livepatch.c -@@ -41,9 +41,10 @@ int klp_write_module_reloc(struct module *mod, unsigned long type, - int ret, numpages, size = 4; - bool readonly; - unsigned long val; -- unsigned long core = (unsigned long)mod->module_core; -- unsigned long core_ro_size = mod->core_ro_size; -- unsigned long core_size = mod->core_size; -+ unsigned long core_rx = (unsigned long)mod->module_core_rx; -+ unsigned long core_rw = (unsigned long)mod->module_core_rw; -+ unsigned long core_size_rx = mod->core_size_rx; -+ unsigned long core_size_rw = mod->core_size_rw; - - switch (type) { - case R_X86_64_NONE: -@@ -66,11 +67,12 @@ int klp_write_module_reloc(struct module *mod, unsigned long type, - return -EINVAL; - } - -- if (loc < core || loc >= core + core_size) -+ if ((loc < core_rx || loc >= core_rx + core_size_rx) && -+ (loc < core_rw || loc >= core_rw + core_size_rw)) - /* loc does not point to any symbol inside the module */ - return -EINVAL; - -- if (loc < core + core_ro_size) -+ if (loc < core_rx + core_size_rx) - readonly = true; - else - readonly = false; -diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c -index 469b23d..5449cfe 100644 ---- a/arch/x86/kernel/machine_kexec_32.c -+++ b/arch/x86/kernel/machine_kexec_32.c -@@ -26,7 +26,7 @@ - #include <asm/cacheflush.h> - #include <asm/debugreg.h> - --static void set_idt(void *newidt, __u16 limit) -+static void set_idt(struct desc_struct *newidt, __u16 limit) - { - struct desc_ptr curidt; - -@@ -38,7 +38,7 @@ static void set_idt(void *newidt, __u16 limit) - } - - --static void set_gdt(void *newgdt, __u16 limit) -+static void set_gdt(struct desc_struct *newgdt, __u16 limit) - { - struct desc_ptr curgdt; - -@@ -216,7 +216,7 @@ void machine_kexec(struct kimage *image) - } - - control_page = page_address(image->control_code_page); -- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE); -+ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE); - - relocate_kernel_ptr = control_page; - page_list[PA_CONTROL_PAGE] = __pa(control_page); -diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S -index 94ea120..4154cea 100644 ---- a/arch/x86/kernel/mcount_64.S -+++ b/arch/x86/kernel/mcount_64.S -@@ -7,7 +7,7 @@ - #include <linux/linkage.h> - #include <asm/ptrace.h> - #include <asm/ftrace.h> -- -+#include <asm/alternative-asm.h> - - .code64 - .section .entry.text, "ax" -@@ -148,8 +148,9 @@ - #ifdef CONFIG_DYNAMIC_FTRACE - - ENTRY(function_hook) -+ pax_force_retaddr - retq --END(function_hook) -+ENDPROC(function_hook) - - ENTRY(ftrace_caller) - /* save_mcount_regs fills in first two parameters */ -@@ -181,8 +182,9 @@ GLOBAL(ftrace_graph_call) - #endif - - GLOBAL(ftrace_stub) -+ pax_force_retaddr - retq --END(ftrace_caller) -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - /* Save the current flags before any operations that can change them */ -@@ -253,7 +255,7 @@ GLOBAL(ftrace_regs_caller_end) - - jmp ftrace_return - --END(ftrace_regs_caller) -+ENDPROC(ftrace_regs_caller) - - - #else /* ! CONFIG_DYNAMIC_FTRACE */ -@@ -272,18 +274,20 @@ fgraph_trace: - #endif - - GLOBAL(ftrace_stub) -+ pax_force_retaddr - retq - - trace: - /* save_mcount_regs fills in first two parameters */ - save_mcount_regs - -+ pax_force_fptr ftrace_trace_function - call *ftrace_trace_function - - restore_mcount_regs - - jmp fgraph_trace --END(function_hook) -+ENDPROC(function_hook) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -305,8 +309,9 @@ ENTRY(ftrace_graph_caller) - - restore_mcount_regs - -+ pax_force_retaddr - retq --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - GLOBAL(return_to_handler) - subq $24, %rsp -@@ -322,5 +327,7 @@ GLOBAL(return_to_handler) - movq 8(%rsp), %rdx - movq (%rsp), %rax - addq $24, %rsp -+ pax_force_fptr %rdi - jmp *%rdi -+ENDPROC(return_to_handler) - #endif -diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c -index 005c03e..2f440cd 100644 ---- a/arch/x86/kernel/module.c -+++ b/arch/x86/kernel/module.c -@@ -75,17 +75,17 @@ static unsigned long int get_module_load_offset(void) - } - #endif - --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { - void *p; - -- if (PAGE_ALIGN(size) > MODULES_LEN) -+ if (!size || PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - - p = __vmalloc_node_range(size, MODULE_ALIGN, - MODULES_VADDR + get_module_load_offset(), -- MODULES_END, GFP_KERNEL | __GFP_HIGHMEM, -- PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ MODULES_END, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, -+ prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - if (p && (kasan_module_alloc(p, size) < 0)) { - vfree(p); -@@ -95,6 +95,51 @@ void *module_alloc(unsigned long size) - return p; - } - -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+void *module_alloc_exec(unsigned long size) -+{ -+ struct vm_struct *area; -+ -+ if (size == 0) -+ return NULL; -+ -+ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END); -+return area ? area->addr : NULL; -+} -+EXPORT_SYMBOL(module_alloc_exec); -+ -+void module_memfree_exec(void *module_region) -+{ -+ vunmap(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+#else -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_RX); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif -+#endif -+ - #ifdef CONFIG_X86_32 - int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, -@@ -105,14 +150,16 @@ int apply_relocate(Elf32_Shdr *sechdrs, - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; -- uint32_t *location; -+ uint32_t *plocation, location; - - DEBUGP("Applying relocate section %u to %u\n", - relsec, sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ -- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr -- + rel[i].r_offset; -+ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset; -+ location = (uint32_t)plocation; -+ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR) -+ plocation = ktla_ktva((void *)plocation); - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr -@@ -121,11 +168,15 @@ int apply_relocate(Elf32_Shdr *sechdrs, - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_386_32: - /* We add the value into the location given */ -- *location += sym->st_value; -+ pax_open_kernel(); -+ *plocation += sym->st_value; -+ pax_close_kernel(); - break; - case R_386_PC32: - /* Add the value, subtract its position */ -- *location += sym->st_value - (uint32_t)location; -+ pax_open_kernel(); -+ *plocation += sym->st_value - location; -+ pax_close_kernel(); - break; - default: - pr_err("%s: Unknown relocation: %u\n", -@@ -170,21 +221,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, - case R_X86_64_NONE: - break; - case R_X86_64_64: -+ pax_open_kernel(); - *(u64 *)loc = val; -+ pax_close_kernel(); - break; - case R_X86_64_32: -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); - if (val != *(u32 *)loc) - goto overflow; - break; - case R_X86_64_32S: -+ pax_open_kernel(); - *(s32 *)loc = val; -+ pax_close_kernel(); - if ((s64)val != *(s32 *)loc) - goto overflow; - break; - case R_X86_64_PC32: - val -= (u64)loc; -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); -+ - #if 0 - if ((s64)val != *(s32 *)loc) - goto overflow; -diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c -index 113e707..0a690e1 100644 ---- a/arch/x86/kernel/msr.c -+++ b/arch/x86/kernel/msr.c -@@ -39,6 +39,7 @@ - #include <linux/notifier.h> - #include <linux/uaccess.h> - #include <linux/gfp.h> -+#include <linux/grsecurity.h> - - #include <asm/processor.h> - #include <asm/msr.h> -@@ -105,6 +106,11 @@ static ssize_t msr_write(struct file *file, const char __user *buf, - int err = 0; - ssize_t bytes = 0; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_msr_write(); -+ return -EPERM; -+#endif -+ - if (count % 8) - return -EINVAL; /* Invalid chunk size */ - -@@ -152,6 +158,10 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg) - err = -EBADF; - break; - } -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_msr_write(); -+ return -EPERM; -+#endif - if (copy_from_user(&regs, uregs, sizeof regs)) { - err = -EFAULT; - break; -@@ -235,7 +245,7 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __refdata msr_class_cpu_notifier = { -+static struct notifier_block msr_class_cpu_notifier = { - .notifier_call = msr_class_cpu_callback, - }; - -diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c -index d05bd2e..f690edd 100644 ---- a/arch/x86/kernel/nmi.c -+++ b/arch/x86/kernel/nmi.c -@@ -98,16 +98,16 @@ fs_initcall(nmi_warning_debugfs); - - static void nmi_max_handler(struct irq_work *w) - { -- struct nmiaction *a = container_of(w, struct nmiaction, irq_work); -+ struct nmiwork *n = container_of(w, struct nmiwork, irq_work); - int remainder_ns, decimal_msecs; -- u64 whole_msecs = ACCESS_ONCE(a->max_duration); -+ u64 whole_msecs = ACCESS_ONCE(n->max_duration); - - remainder_ns = do_div(whole_msecs, (1000 * 1000)); - decimal_msecs = remainder_ns / 1000; - - printk_ratelimited(KERN_INFO - "INFO: NMI handler (%ps) took too long to run: %lld.%03d msecs\n", -- a->handler, whole_msecs, decimal_msecs); -+ n->action->handler, whole_msecs, decimal_msecs); - } - - static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) -@@ -134,11 +134,11 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) - delta = sched_clock() - delta; - trace_nmi_handler(a->handler, (int)delta, thishandled); - -- if (delta < nmi_longest_ns || delta < a->max_duration) -+ if (delta < nmi_longest_ns || delta < a->work->max_duration) - continue; - -- a->max_duration = delta; -- irq_work_queue(&a->irq_work); -+ a->work->max_duration = delta; -+ irq_work_queue(&a->work->irq_work); - } - - rcu_read_unlock(); -@@ -148,7 +148,7 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) - } - NOKPROBE_SYMBOL(nmi_handle); - --int __register_nmi_handler(unsigned int type, struct nmiaction *action) -+int __register_nmi_handler(unsigned int type, const struct nmiaction *action) - { - struct nmi_desc *desc = nmi_to_desc(type); - unsigned long flags; -@@ -156,7 +156,8 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - if (!action->handler) - return -EINVAL; - -- init_irq_work(&action->irq_work, nmi_max_handler); -+ action->work->action = action; -+ init_irq_work(&action->work->irq_work, nmi_max_handler); - - spin_lock_irqsave(&desc->lock, flags); - -@@ -174,9 +175,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - * event confuses some handlers (kdump uses this flag) - */ - if (action->flags & NMI_FLAG_FIRST) -- list_add_rcu(&action->list, &desc->head); -+ pax_list_add_rcu((struct list_head *)&action->list, &desc->head); - else -- list_add_tail_rcu(&action->list, &desc->head); -+ pax_list_add_tail_rcu((struct list_head *)&action->list, &desc->head); - - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -@@ -199,7 +200,7 @@ void unregister_nmi_handler(unsigned int type, const char *name) - if (!strcmp(n->name, name)) { - WARN(in_nmi(), - "Trying to free NMI (%s) from NMI context!\n", n->name); -- list_del_rcu(&n->list); -+ pax_list_del_rcu((struct list_head *)&n->list); - break; - } - } -@@ -481,6 +482,17 @@ static DEFINE_PER_CPU(int, update_debug_stack); - dotraplinkage notrace void - do_nmi(struct pt_regs *regs, long error_code) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (!user_mode(regs)) { -+ unsigned long cs = regs->cs & 0xFFFF; -+ unsigned long ip = ktva_ktla(regs->ip); -+ -+ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext) -+ regs->ip = ip; -+ } -+#endif -+ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { - this_cpu_write(nmi_state, NMI_LATCHED); - return; -diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c -index 6d9582e..f746287 100644 ---- a/arch/x86/kernel/nmi_selftest.c -+++ b/arch/x86/kernel/nmi_selftest.c -@@ -43,7 +43,7 @@ static void __init init_nmi_testsuite(void) - { - /* trap all the unknown NMIs we may generate */ - register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk", -- __initdata); -+ __initconst); - } - - static void __init cleanup_nmi_testsuite(void) -@@ -66,7 +66,7 @@ static void __init test_nmi_ipi(struct cpumask *mask) - unsigned long timeout; - - if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback, -- NMI_FLAG_FIRST, "nmi_selftest", __initdata)) { -+ NMI_FLAG_FIRST, "nmi_selftest", __initconst)) { - nmi_fail = FAILURE; - return; - } -diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c -index bbb6c73..24a58ef 100644 ---- a/arch/x86/kernel/paravirt-spinlocks.c -+++ b/arch/x86/kernel/paravirt-spinlocks.c -@@ -8,7 +8,7 @@ - - #include <asm/paravirt.h> - --struct pv_lock_ops pv_lock_ops = { -+struct pv_lock_ops pv_lock_ops __read_only = { - #ifdef CONFIG_SMP - .lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop), - .unlock_kick = paravirt_nop, -diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c -index c614dd4..9ad659e 100644 ---- a/arch/x86/kernel/paravirt.c -+++ b/arch/x86/kernel/paravirt.c -@@ -56,6 +56,9 @@ u64 _paravirt_ident_64(u64 x) - { - return x; - } -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64); -+#endif - - void __init default_banner(void) - { -@@ -142,16 +145,20 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, - - if (opfunc == NULL) - /* If there's no function, patch it with a ud2a (BUG) */ -- ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a)); -- else if (opfunc == _paravirt_nop) -+ ret = paravirt_patch_insns(insnbuf, len, ktva_ktla(ud2a), ud2a+sizeof(ud2a)); -+ else if (opfunc == (void *)_paravirt_nop) - /* If the operation is a nop, then nop the callsite */ - ret = paravirt_patch_nop(); - - /* identity functions just return their single argument */ -- else if (opfunc == _paravirt_ident_32) -+ else if (opfunc == (void *)_paravirt_ident_32) - ret = paravirt_patch_ident_32(insnbuf, len); -- else if (opfunc == _paravirt_ident_64) -+ else if (opfunc == (void *)_paravirt_ident_64) - ret = paravirt_patch_ident_64(insnbuf, len); -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+ else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64) -+ ret = paravirt_patch_ident_64(insnbuf, len); -+#endif - - else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) || - type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) || -@@ -176,7 +183,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len, - if (insn_len > len || start == NULL) - insn_len = len; - else -- memcpy(insnbuf, start, insn_len); -+ memcpy(insnbuf, ktla_ktva(start), insn_len); - - return insn_len; - } -@@ -300,7 +307,7 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) - return this_cpu_read(paravirt_lazy_mode); - } - --struct pv_info pv_info = { -+struct pv_info pv_info __read_only = { - .name = "bare hardware", - .paravirt_enabled = 0, - .kernel_rpl = 0, -@@ -311,16 +318,16 @@ struct pv_info pv_info = { - #endif - }; - --struct pv_init_ops pv_init_ops = { -+struct pv_init_ops pv_init_ops __read_only = { - .patch = native_patch, - }; - --struct pv_time_ops pv_time_ops = { -+struct pv_time_ops pv_time_ops __read_only = { - .sched_clock = native_sched_clock, - .steal_clock = native_steal_clock, - }; - --__visible struct pv_irq_ops pv_irq_ops = { -+__visible struct pv_irq_ops pv_irq_ops __read_only = { - .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), - .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), - .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), -@@ -332,7 +339,7 @@ __visible struct pv_irq_ops pv_irq_ops = { - #endif - }; - --__visible struct pv_cpu_ops pv_cpu_ops = { -+__visible struct pv_cpu_ops pv_cpu_ops __read_only = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, -@@ -395,21 +402,26 @@ NOKPROBE_SYMBOL(native_get_debugreg); - NOKPROBE_SYMBOL(native_set_debugreg); - NOKPROBE_SYMBOL(native_load_idt); - --struct pv_apic_ops pv_apic_ops = { -+struct pv_apic_ops pv_apic_ops __read_only= { - #ifdef CONFIG_X86_LOCAL_APIC - .startup_ipi_hook = paravirt_nop, - #endif - }; - --#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_X86_PAE -+/* 64-bit pagetable entries */ -+#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64) -+#else - /* 32-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32) -+#endif - #else - /* 64-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64) - #endif - --struct pv_mmu_ops pv_mmu_ops = { -+struct pv_mmu_ops pv_mmu_ops __read_only = { - - .read_cr2 = native_read_cr2, - .write_cr2 = native_write_cr2, -@@ -459,6 +471,7 @@ struct pv_mmu_ops pv_mmu_ops = { - .make_pud = PTE_IDENT, - - .set_pgd = native_set_pgd, -+ .set_pgd_batched = native_set_pgd_batched, - #endif - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -@@ -479,6 +492,12 @@ struct pv_mmu_ops pv_mmu_ops = { - }, - - .set_fixmap = native_set_fixmap, -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .pax_open_kernel = native_pax_open_kernel, -+ .pax_close_kernel = native_pax_close_kernel, -+#endif -+ - }; - - EXPORT_SYMBOL_GPL(pv_time_ops); -diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c -index a1da673..b6f5831 100644 ---- a/arch/x86/kernel/paravirt_patch_64.c -+++ b/arch/x86/kernel/paravirt_patch_64.c -@@ -9,7 +9,11 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax"); - DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3"); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)"); -+#endif -+ - DEF_NATIVE(pv_cpu_ops, clts, "clts"); - DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd"); - -@@ -57,7 +61,11 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf, - PATCH_SITE(pv_mmu_ops, read_cr3); - PATCH_SITE(pv_mmu_ops, write_cr3); - PATCH_SITE(pv_cpu_ops, clts); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - PATCH_SITE(pv_mmu_ops, flush_tlb_single); -+#endif -+ - PATCH_SITE(pv_cpu_ops, wbinvd); - - patch_site: -diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c -index 0497f71..7186c0d 100644 ---- a/arch/x86/kernel/pci-calgary_64.c -+++ b/arch/x86/kernel/pci-calgary_64.c -@@ -1347,7 +1347,7 @@ static void __init get_tce_space_from_tar(void) - tce_space = be64_to_cpu(readq(target)); - tce_space = tce_space & TAR_SW_BITS; - -- tce_space = tce_space & (~specified_table_size); -+ tce_space = tce_space & (~(unsigned long)specified_table_size); - info->tce_space = (u64 *)__va(tce_space); - } - } -diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c -index 35ccf75..7a15747 100644 ---- a/arch/x86/kernel/pci-iommu_table.c -+++ b/arch/x86/kernel/pci-iommu_table.c -@@ -2,7 +2,7 @@ - #include <asm/iommu_table.h> - #include <linux/string.h> - #include <linux/kallsyms.h> -- -+#include <linux/sched.h> - - #define DEBUG 1 - -diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c -index 77dd0ad..9ec4723 100644 ---- a/arch/x86/kernel/pci-swiotlb.c -+++ b/arch/x86/kernel/pci-swiotlb.c -@@ -33,7 +33,7 @@ void x86_swiotlb_free_coherent(struct device *dev, size_t size, - struct dma_attrs *attrs) - { - if (is_swiotlb_buffer(dma_to_phys(dev, dma_addr))) -- swiotlb_free_coherent(dev, size, vaddr, dma_addr); -+ swiotlb_free_coherent(dev, size, vaddr, dma_addr, attrs); - else - dma_generic_free_coherent(dev, size, vaddr, dma_addr, attrs); - } -diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c -index 9717437..44bc9aa 100644 ---- a/arch/x86/kernel/process.c -+++ b/arch/x86/kernel/process.c -@@ -38,7 +38,8 @@ - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ --__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { -+struct tss_struct cpu_tss[NR_CPUS] __visible ____cacheline_internodealigned_in_smp = { -+ [0 ... NR_CPUS-1] = { - .x86_tss = { - .sp0 = TOP_OF_INIT_STACK, - #ifdef CONFIG_X86_32 -@@ -56,6 +57,7 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { - */ - .io_bitmap = { [0 ... IO_BITMAP_LONGS] = ~0 }, - #endif -+} - }; - EXPORT_PER_CPU_SYMBOL(cpu_tss); - -@@ -115,7 +117,7 @@ void arch_task_cache_init(void) - task_xstate_cachep = - kmem_cache_create("task_xstate", xstate_size, - __alignof__(union thread_xstate), -- SLAB_PANIC | SLAB_NOTRACK, NULL); -+ SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL); - setup_xstate_comp(); - } - -@@ -129,7 +131,7 @@ void exit_thread(void) - unsigned long *bp = t->io_bitmap_ptr; - - if (bp) { -- struct tss_struct *tss = &per_cpu(cpu_tss, get_cpu()); -+ struct tss_struct *tss = cpu_tss + get_cpu(); - - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); -@@ -149,6 +151,9 @@ void flush_thread(void) - { - struct task_struct *tsk = current; - -+#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF) -+ loadsegment(gs, 0); -+#endif - flush_ptrace_hw_breakpoint(tsk); - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - -@@ -302,7 +307,7 @@ static void __exit_idle(void) - void exit_idle(void) - { - /* idle loop has pid 0 */ -- if (current->pid) -+ if (task_pid_nr(current)) - return; - __exit_idle(); - } -@@ -355,7 +360,7 @@ bool xen_set_default_idle(void) - return ret; - } - #endif --void stop_this_cpu(void *dummy) -+__noreturn void stop_this_cpu(void *dummy) - { - local_irq_disable(); - /* -@@ -533,16 +538,43 @@ static int __init idle_setup(char *str) - } - early_param("idle", idle_setup); - --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} -- - unsigned long arch_randomize_brk(struct mm_struct *mm) - { - unsigned long range_end = mm->brk + 0x02000000; - return randomize_range(mm->brk, range_end, 0) ? : mm->brk; - } - -+#ifdef CONFIG_PAX_RANDKSTACK -+void pax_randomize_kstack(struct pt_regs *regs) -+{ -+ struct thread_struct *thread = &current->thread; -+ unsigned long time; -+ -+ if (!randomize_va_space) -+ return; -+ -+ if (v8086_mode(regs)) -+ return; -+ -+ rdtscl(time); -+ -+ /* P4 seems to return a 0 LSB, ignore it */ -+#ifdef CONFIG_MPENTIUM4 -+ time &= 0x3EUL; -+ time <<= 2; -+#elif defined(CONFIG_X86_64) -+ time &= 0xFUL; -+ time <<= 4; -+#else -+ time &= 0x1FUL; -+ time <<= 3; -+#endif -+ -+ thread->sp0 ^= time; -+ load_sp0(cpu_tss + smp_processor_id(), thread); -+ -+#ifdef CONFIG_X86_64 -+ this_cpu_write(kernel_stack, thread->sp0); -+#endif -+} -+#endif -diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c -index 8ed2106..1345704 100644 ---- a/arch/x86/kernel/process_32.c -+++ b/arch/x86/kernel/process_32.c -@@ -64,6 +64,7 @@ asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread"); - unsigned long thread_saved_pc(struct task_struct *tsk) - { - return ((unsigned long *)tsk->thread.sp)[3]; -+//XXX return tsk->thread.eip; - } - - void __show_regs(struct pt_regs *regs, int all) -@@ -76,16 +77,15 @@ void __show_regs(struct pt_regs *regs, int all) - if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; -- gs = get_user_gs(regs); - } else { - sp = kernel_stack_pointer(regs); - savesegment(ss, ss); -- savesegment(gs, gs); - } -+ gs = get_user_gs(regs); - - printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", - (u16)regs->cs, regs->ip, regs->flags, -- smp_processor_id()); -+ raw_smp_processor_id()); - print_symbol("EIP is at %s\n", regs->ip); - - printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", -@@ -132,21 +132,22 @@ void release_thread(struct task_struct *dead_task) - int copy_thread(unsigned long clone_flags, unsigned long sp, - unsigned long arg, struct task_struct *p) - { -- struct pt_regs *childregs = task_pt_regs(p); -+ struct pt_regs *childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8; - struct task_struct *tsk; - int err; - - p->thread.sp = (unsigned long) childregs; - p->thread.sp0 = (unsigned long) (childregs+1); -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { - /* kernel thread */ - memset(childregs, 0, sizeof(struct pt_regs)); - p->thread.ip = (unsigned long) ret_from_kernel_thread; -- task_user_gs(p) = __KERNEL_STACK_CANARY; -- childregs->ds = __USER_DS; -- childregs->es = __USER_DS; -+ savesegment(gs, childregs->gs); -+ childregs->ds = __KERNEL_DS; -+ childregs->es = __KERNEL_DS; - childregs->fs = __KERNEL_PERCPU; - childregs->bx = sp; /* function */ - childregs->bp = arg; -@@ -244,7 +245,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct thread_struct *prev = &prev_p->thread, - *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - fpu_switch_t fpu; - - /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */ -@@ -263,6 +264,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - */ - lazy_save_gs(prev->gs); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(task_thread_info(next_p)->addr_limit); -+#endif -+ - /* - * Load the per-thread Thread-Local Storage descriptor. - */ -@@ -306,12 +311,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - * current_thread_info(). - */ - load_sp0(tss, next); -- this_cpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE); -- this_cpu_write(cpu_current_top_of_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE); -+ this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); -+ this_cpu_write(kernel_stack, next->sp0); -+ this_cpu_write(cpu_current_top_of_stack, next->sp0); - - /* - * Restore %gs if needed (which is common) -@@ -321,8 +324,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - - switch_fpu_finish(next_p, fpu); - -- this_cpu_write(current_task, next_p); -- - return prev_p; - } - -@@ -352,4 +353,3 @@ unsigned long get_wchan(struct task_struct *p) - } while (count++ < 16); - return 0; - } -- -diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c -index ddfdbf7..625417c 100644 ---- a/arch/x86/kernel/process_64.c -+++ b/arch/x86/kernel/process_64.c -@@ -158,9 +158,10 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, - struct pt_regs *childregs; - struct task_struct *me = current; - -- p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE; -+ p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE - 16; - childregs = task_pt_regs(p); - p->thread.sp = (unsigned long) childregs; -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - set_tsk_thread_flag(p, TIF_FORK); - p->thread.io_bitmap_ptr = NULL; - -@@ -170,6 +171,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, - p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs; - savesegment(es, p->thread.es); - savesegment(ds, p->thread.ds); -+ savesegment(ss, p->thread.ss); -+ BUG_ON(p->thread.ss == __UDEREF_KERNEL_DS); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { -@@ -275,7 +278,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct thread_struct *prev = &prev_p->thread; - struct thread_struct *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - unsigned fsindex, gsindex; - fpu_switch_t fpu; - -@@ -326,6 +329,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - if (unlikely(next->ds | prev->ds)) - loadsegment(ds, next->ds); - -+ savesegment(ss, prev->ss); -+ if (unlikely(next->ss != prev->ss)) -+ loadsegment(ss, next->ss); -+ - /* - * Switch FS and GS. - * -@@ -397,6 +404,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - * Switch the PDA and FPU contexts. - */ - this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); - - /* - * If it were not for PREEMPT_ACTIVE we could guarantee that the -@@ -409,8 +417,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - /* Reload esp0 and ss1. This changes current_thread_info(). */ - load_sp0(tss, next); - -- this_cpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + THREAD_SIZE); -+ this_cpu_write(kernel_stack, next->sp0); - - /* - * Now maybe reload the debug registers and handle I/O bitmaps -@@ -508,12 +515,11 @@ unsigned long get_wchan(struct task_struct *p) - if (!p || p == current || p->state == TASK_RUNNING) - return 0; - stack = (unsigned long)task_stack_page(p); -- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE) -+ if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - fp = *(u64 *)(p->thread.sp); - do { -- if (fp < (unsigned long)stack || -- fp >= (unsigned long)stack+THREAD_SIZE) -+ if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - ip = *(u64 *)(fp+8); - if (!in_sched_functions(ip)) -diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c -index a7bc794..094ee8e 100644 ---- a/arch/x86/kernel/ptrace.c -+++ b/arch/x86/kernel/ptrace.c -@@ -186,10 +186,10 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs) - unsigned long sp = (unsigned long)&regs->sp; - u32 *prev_esp; - -- if (context == (sp & ~(THREAD_SIZE - 1))) -+ if (context == ((sp + 8) & ~(THREAD_SIZE - 1))) - return sp; - -- prev_esp = (u32 *)(context); -+ prev_esp = *(u32 **)(context); - if (prev_esp) - return (unsigned long)prev_esp; - -@@ -446,6 +446,20 @@ static int putreg(struct task_struct *child, - if (child->thread.gs != value) - return do_arch_prctl(child, ARCH_SET_GS, value); - return 0; -+ -+ case offsetof(struct user_regs_struct,ip): -+ /* -+ * Protect against any attempt to set ip to an -+ * impossible address. There are dragons lurking if the -+ * address is noncanonical. (This explicitly allows -+ * setting ip to TASK_SIZE_MAX, because user code can do -+ * that all by itself by running off the end of its -+ * address space. -+ */ -+ if (value > TASK_SIZE_MAX) -+ return -EIO; -+ break; -+ - #endif - } - -@@ -582,7 +596,7 @@ static void ptrace_triggered(struct perf_event *bp, - static unsigned long ptrace_get_dr7(struct perf_event *bp[]) - { - int i; -- int dr7 = 0; -+ unsigned long dr7 = 0; - struct arch_hw_breakpoint *info; - - for (i = 0; i < HBP_NUM; i++) { -@@ -816,7 +830,7 @@ long arch_ptrace(struct task_struct *child, long request, - unsigned long addr, unsigned long data) - { - int ret; -- unsigned long __user *datap = (unsigned long __user *)data; -+ unsigned long __user *datap = (__force unsigned long __user *)data; - - switch (request) { - /* read the word at location addr in the USER area. */ -@@ -901,14 +915,14 @@ long arch_ptrace(struct task_struct *child, long request, - if ((int) addr < 0) - return -EIO; - ret = do_get_thread_area(child, addr, -- (struct user_desc __user *)data); -+ (__force struct user_desc __user *) data); - break; - - case PTRACE_SET_THREAD_AREA: - if ((int) addr < 0) - return -EIO; - ret = do_set_thread_area(child, addr, -- (struct user_desc __user *)data, 0); -+ (__force struct user_desc __user *) data, 0); - break; - #endif - -@@ -1286,7 +1300,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - - #ifdef CONFIG_X86_64 - --static struct user_regset x86_64_regsets[] __read_mostly = { -+static user_regset_no_const x86_64_regsets[] __read_only = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct) / sizeof(long), -@@ -1327,7 +1341,7 @@ static const struct user_regset_view user_x86_64_view = { - #endif /* CONFIG_X86_64 */ - - #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION --static struct user_regset x86_32_regsets[] __read_mostly = { -+static user_regset_no_const x86_32_regsets[] __read_only = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct32) / sizeof(u32), -@@ -1380,7 +1394,7 @@ static const struct user_regset_view user_x86_32_view = { - */ - u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; - --void update_regset_xstate_info(unsigned int size, u64 xstate_mask) -+void __init update_regset_xstate_info(unsigned int size, u64 xstate_mask) - { - #ifdef CONFIG_X86_64 - x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64); -@@ -1415,7 +1429,7 @@ static void fill_sigtrap_info(struct task_struct *tsk, - memset(info, 0, sizeof(*info)); - info->si_signo = SIGTRAP; - info->si_code = si_code; -- info->si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL; -+ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL; - } - - void user_single_step_siginfo(struct task_struct *tsk, -@@ -1449,6 +1463,10 @@ static void do_audit_syscall_entry(struct pt_regs *regs, u32 arch) - } - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * We can return 0 to resume the syscall or anything else to go to phase - * 2. If we resume the syscall, we need to put something appropriate in -@@ -1556,6 +1574,11 @@ long syscall_trace_enter_phase2(struct pt_regs *regs, u32 arch, - - BUG_ON(regs != task_pt_regs(current)); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* - * If we stepped into a sysenter/syscall insn, it trapped in - * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP. -@@ -1614,6 +1637,11 @@ void syscall_trace_leave(struct pt_regs *regs) - */ - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c -index 2f355d2..e75ed0a 100644 ---- a/arch/x86/kernel/pvclock.c -+++ b/arch/x86/kernel/pvclock.c -@@ -51,11 +51,11 @@ void pvclock_touch_watchdogs(void) - reset_hung_task_detector(); - } - --static atomic64_t last_value = ATOMIC64_INIT(0); -+static atomic64_unchecked_t last_value = ATOMIC64_INIT(0); - - void pvclock_resume(void) - { -- atomic64_set(&last_value, 0); -+ atomic64_set_unchecked(&last_value, 0); - } - - u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src) -@@ -105,11 +105,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) - * updating at the same time, and one of them could be slightly behind, - * making the assumption that last_value always go forward fail to hold. - */ -- last = atomic64_read(&last_value); -+ last = atomic64_read_unchecked(&last_value); - do { - if (ret < last) - return last; -- last = atomic64_cmpxchg(&last_value, last, ret); -+ last = atomic64_cmpxchg_unchecked(&last_value, last, ret); - } while (unlikely(last != ret)); - - return ret; -diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c -index 86db4bc..a50a54a 100644 ---- a/arch/x86/kernel/reboot.c -+++ b/arch/x86/kernel/reboot.c -@@ -70,6 +70,11 @@ static int __init set_bios_reboot(const struct dmi_system_id *d) - - void __noreturn machine_real_restart(unsigned int type) - { -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ struct desc_struct *gdt; -+#endif -+ - local_irq_disable(); - - /* -@@ -97,7 +102,29 @@ void __noreturn machine_real_restart(unsigned int type) - - /* Jump to the identity-mapped low memory code */ - #ifdef CONFIG_X86_32 -- asm volatile("jmpl *%0" : : -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ pax_open_kernel(); -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff; -+ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf; -+ gdt[GDT_ENTRY_KERNEL_CS].g = 1; -+#endif -+ pax_close_kernel(); -+#endif -+ -+ asm volatile("ljmpl *%0" : : - "rm" (real_mode_header->machine_real_restart_asm), - "a" (type)); - #else -@@ -137,7 +164,7 @@ static int __init set_kbd_reboot(const struct dmi_system_id *d) - /* - * This is a single dmi_table handling all reboot quirks. - */ --static struct dmi_system_id __initdata reboot_dmi_table[] = { -+static const struct dmi_system_id __initconst reboot_dmi_table[] = { - - /* Acer */ - { /* Handle reboot issue on Acer Aspire one */ -@@ -511,7 +538,7 @@ void __attribute__((weak)) mach_reboot_fixups(void) - * This means that this function can never return, it can misbehave - * by not rebooting properly and hanging. - */ --static void native_machine_emergency_restart(void) -+static void __noreturn native_machine_emergency_restart(void) - { - int i; - int attempt = 0; -@@ -631,13 +658,13 @@ void native_machine_shutdown(void) - #endif - } - --static void __machine_emergency_restart(int emergency) -+static void __noreturn __machine_emergency_restart(int emergency) - { - reboot_emergency = emergency; - machine_ops.emergency_restart(); - } - --static void native_machine_restart(char *__unused) -+static void __noreturn native_machine_restart(char *__unused) - { - pr_notice("machine restart\n"); - -@@ -646,7 +673,7 @@ static void native_machine_restart(char *__unused) - __machine_emergency_restart(0); - } - --static void native_machine_halt(void) -+static void __noreturn native_machine_halt(void) - { - /* Stop other cpus and apics */ - machine_shutdown(); -@@ -656,7 +683,7 @@ static void native_machine_halt(void) - stop_this_cpu(NULL); - } - --static void native_machine_power_off(void) -+static void __noreturn native_machine_power_off(void) - { - if (pm_power_off) { - if (!reboot_force) -@@ -665,9 +692,10 @@ static void native_machine_power_off(void) - } - /* A fallback in case there is no PM info available */ - tboot_shutdown(TB_SHUTDOWN_HALT); -+ unreachable(); - } - --struct machine_ops machine_ops = { -+struct machine_ops machine_ops __read_only = { - .power_off = native_machine_power_off, - .shutdown = native_machine_shutdown, - .emergency_restart = native_machine_emergency_restart, -diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c -index c8e41e9..64049ef 100644 ---- a/arch/x86/kernel/reboot_fixups_32.c -+++ b/arch/x86/kernel/reboot_fixups_32.c -@@ -57,7 +57,7 @@ struct device_fixup { - unsigned int vendor; - unsigned int device; - void (*reboot_fixup)(struct pci_dev *); --}; -+} __do_const; - - /* - * PCI ids solely used for fixups_table go here -diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S -index 98111b3..73ca125 100644 ---- a/arch/x86/kernel/relocate_kernel_64.S -+++ b/arch/x86/kernel/relocate_kernel_64.S -@@ -96,8 +96,7 @@ relocate_kernel: - - /* jump to identity mapped page */ - addq $(identity_mapped - relocate_kernel), %r8 -- pushq %r8 -- ret -+ jmp *%r8 - - identity_mapped: - /* set return address to 0 if not preserving context */ -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index d74ac33..6d14941 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -111,6 +111,7 @@ - #include <asm/mce.h> - #include <asm/alternative.h> - #include <asm/prom.h> -+#include <asm/boot.h> - - /* - * max_low_pfn_mapped: highest direct mapped pfn under 4GB -@@ -206,10 +207,12 @@ EXPORT_SYMBOL(boot_cpu_data); - #endif - - --#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) --__visible unsigned long mmu_cr4_features; -+#ifdef CONFIG_X86_64 -+__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE; -+#elif defined(CONFIG_X86_PAE) -+__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PAE; - #else --__visible unsigned long mmu_cr4_features = X86_CR4_PAE; -+__visible unsigned long mmu_cr4_features __read_only; - #endif - - /* Boot loader ID and version as integers, for the benefit of proc_dointvec */ -@@ -771,7 +774,7 @@ static void __init trim_bios_range(void) - * area (640->1Mb) as ram even though it is not. - * take them out. - */ -- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); -+ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1); - - sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); - } -@@ -779,7 +782,7 @@ static void __init trim_bios_range(void) - /* called before trim_bios_range() to spare extra sanitize */ - static void __init e820_add_kernel_range(void) - { -- u64 start = __pa_symbol(_text); -+ u64 start = __pa_symbol(ktla_ktva(_text)); - u64 size = __pa_symbol(_end) - start; - - /* -@@ -860,8 +863,8 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p) - - void __init setup_arch(char **cmdline_p) - { -- memblock_reserve(__pa_symbol(_text), -- (unsigned long)__bss_stop - (unsigned long)_text); -+ memblock_reserve(__pa_symbol(ktla_ktva((unsigned long)_text)), -+ (unsigned long)__bss_stop - ktla_ktva((unsigned long)_text)); - - early_reserve_initrd(); - -@@ -959,16 +962,16 @@ void __init setup_arch(char **cmdline_p) - - if (!boot_params.hdr.root_flags) - root_mountflags &= ~MS_RDONLY; -- init_mm.start_code = (unsigned long) _text; -- init_mm.end_code = (unsigned long) _etext; -+ init_mm.start_code = ktla_ktva((unsigned long) _text); -+ init_mm.end_code = ktla_ktva((unsigned long) _etext); - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = _brk_end; - - mpx_mm_init(&init_mm); - -- code_resource.start = __pa_symbol(_text); -- code_resource.end = __pa_symbol(_etext)-1; -- data_resource.start = __pa_symbol(_etext); -+ code_resource.start = __pa_symbol(ktla_ktva(_text)); -+ code_resource.end = __pa_symbol(ktla_ktva(_etext))-1; -+ data_resource.start = __pa_symbol(_sdata); - data_resource.end = __pa_symbol(_edata)-1; - bss_resource.start = __pa_symbol(__bss_start); - bss_resource.end = __pa_symbol(__bss_stop)-1; -diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c -index e4fcb87..9c06c55 100644 ---- a/arch/x86/kernel/setup_percpu.c -+++ b/arch/x86/kernel/setup_percpu.c -@@ -21,19 +21,17 @@ - #include <asm/cpu.h> - #include <asm/stackprotector.h> - --DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number); -+#ifdef CONFIG_SMP -+DEFINE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - EXPORT_PER_CPU_SYMBOL(cpu_number); -+#endif - --#ifdef CONFIG_X86_64 - #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load) --#else --#define BOOT_PERCPU_OFFSET 0 --#endif - - DEFINE_PER_CPU_READ_MOSTLY(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; - EXPORT_PER_CPU_SYMBOL(this_cpu_off); - --unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = { -+unsigned long __per_cpu_offset[NR_CPUS] __read_only = { - [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET, - }; - EXPORT_SYMBOL(__per_cpu_offset); -@@ -66,7 +64,7 @@ static bool __init pcpu_need_numa(void) - { - #ifdef CONFIG_NEED_MULTIPLE_NODES - pg_data_t *last = NULL; -- unsigned int cpu; -+ int cpu; - - for_each_possible_cpu(cpu) { - int node = early_cpu_to_node(cpu); -@@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu) - { - #ifdef CONFIG_X86_32 - struct desc_struct gdt; -+ unsigned long base = per_cpu_offset(cpu); - -- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF, -- 0x2 | DESCTYPE_S, 0x8); -- gdt.s = 1; -+ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT, -+ 0x83 | DESCTYPE_S, 0xC); - write_gdt_entry(get_cpu_gdt_table(cpu), - GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S); - #endif -@@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void) - /* alrighty, percpu areas up and running */ - delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; - for_each_possible_cpu(cpu) { -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ unsigned long canary = per_cpu(stack_canary.canary, cpu); -+#endif -+#endif - per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu]; - per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu); - per_cpu(cpu_number, cpu) = cpu; -@@ -259,6 +262,12 @@ void __init setup_per_cpu_areas(void) - */ - set_cpu_numa_node(cpu, early_cpu_to_node(cpu)); - #endif -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ if (!cpu) -+ per_cpu(stack_canary.canary, cpu) = canary; -+#endif -+#endif - /* - * Up to this point, the boot CPU has been using .init.data - * area. Reload any changed state for the boot CPU. -diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c -index e0fd5f47..b551e66 100644 ---- a/arch/x86/kernel/signal.c -+++ b/arch/x86/kernel/signal.c -@@ -189,7 +189,7 @@ static unsigned long align_sigframe(unsigned long sp) - * Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. - */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - #else /* !CONFIG_X86_32 */ - sp = round_down(sp, 16) - 8; - #endif -@@ -297,10 +297,9 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - } - - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - -@@ -314,7 +313,7 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode); -+ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode); - - if (err) - return -EFAULT; -@@ -361,8 +360,10 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - /* Set up to return from userspace. */ -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_rt_sigreturn; -+ if (current->mm->context.vdso) -+ restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_rt_sigreturn); -+ else -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - put_user_ex(restorer, &frame->pretcode); -@@ -374,7 +375,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode); -+ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= copy_siginfo_to_user(&frame->info, &ksig->info); -@@ -594,7 +595,12 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) - { - int usig = ksig->sig; - sigset_t *set = sigmask_to_save(); -- compat_sigset_t *cset = (compat_sigset_t *) set; -+ sigset_t sigcopy; -+ compat_sigset_t *cset; -+ -+ sigcopy = *set; -+ -+ cset = (compat_sigset_t *) &sigcopy; - - /* Set up the stack frame */ - if (is_ia32_frame()) { -@@ -605,7 +611,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) - } else if (is_x32_frame()) { - return x32_setup_rt_frame(ksig, cset, regs); - } else { -- return __setup_rt_frame(ksig->sig, ksig, set, regs); -+ return __setup_rt_frame(ksig->sig, ksig, &sigcopy, regs); - } - } - -diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c -index be8e1bd..a3d93fa 100644 ---- a/arch/x86/kernel/smp.c -+++ b/arch/x86/kernel/smp.c -@@ -341,7 +341,7 @@ static int __init nonmi_ipi_setup(char *str) - - __setup("nonmi_ipi", nonmi_ipi_setup); - --struct smp_ops smp_ops = { -+struct smp_ops smp_ops __read_only = { - .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu, - .smp_prepare_cpus = native_smp_prepare_cpus, - .smp_cpus_done = native_smp_cpus_done, -diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c -index 50e547e..d59d06a 100644 ---- a/arch/x86/kernel/smpboot.c -+++ b/arch/x86/kernel/smpboot.c -@@ -226,14 +226,17 @@ static void notrace start_secondary(void *unused) - - enable_start_cpu0 = 0; - --#ifdef CONFIG_X86_32 -+ /* otherwise gcc will move up smp_processor_id before the cpu_init */ -+ barrier(); -+ - /* switch away from the initial page table */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif - __flush_tlb_all(); --#endif - -- /* otherwise gcc will move up smp_processor_id before the cpu_init */ -- barrier(); - /* - * Check TSC synchronization with the BP: - */ -@@ -782,18 +785,17 @@ void common_cpu_up(unsigned int cpu, struct task_struct *idle) - alternatives_enable_smp(); - - per_cpu(current_task, cpu) = idle; -+ per_cpu(current_tinfo, cpu) = &idle->tinfo; - - #ifdef CONFIG_X86_32 - /* Stack for startup_32 can be just as for start_secondary onwards */ - irq_ctx_init(cpu); -- per_cpu(cpu_current_top_of_stack, cpu) = -- (unsigned long)task_stack_page(idle) + THREAD_SIZE; -+ per_cpu(cpu_current_top_of_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - #else - clear_tsk_thread_flag(idle, TIF_FORK); - initial_gs = per_cpu_offset(cpu); - #endif -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(idle) + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - } - - /* -@@ -814,9 +816,11 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle) - unsigned long timeout; - - idle->thread.sp = (unsigned long) (((struct pt_regs *) -- (THREAD_SIZE + task_stack_page(idle))) - 1); -+ (THREAD_SIZE - 16 + task_stack_page(idle))) - 1); - -+ pax_open_kernel(); - early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); -+ pax_close_kernel(); - initial_code = (unsigned long)start_secondary; - stack_start = idle->thread.sp; - -@@ -961,6 +965,15 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) - - common_cpu_up(cpu, tidle); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(cpu, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(cpu, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - err = do_boot_cpu(apicid, cpu, tidle); - if (err) { - pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); -diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c -index 9b4d51d..5d28b58 100644 ---- a/arch/x86/kernel/step.c -+++ b/arch/x86/kernel/step.c -@@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re - struct desc_struct *desc; - unsigned long base; - -- seg &= ~7UL; -+ seg >>= 3; - - mutex_lock(&child->mm->context.lock); -- if (unlikely((seg >> 3) >= child->mm->context.size)) -+ if (unlikely(seg >= child->mm->context.size)) - addr = -1L; /* bogus selector, access would fault */ - else { - desc = child->mm->context.ldt + seg; -@@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re - addr += base; - } - mutex_unlock(&child->mm->context.lock); -- } -+ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS) -+ addr = ktla_ktva(addr); - - return addr; - } -@@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs) - unsigned char opcode[15]; - unsigned long addr = convert_ip_to_linear(child, regs); - -+ if (addr == -EINVAL) -+ return 0; -+ - copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0); - for (i = 0; i < copied; i++) { - switch (opcode[i]) { -diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c -new file mode 100644 -index 0000000..5877189 ---- /dev/null -+++ b/arch/x86/kernel/sys_i386_32.c -@@ -0,0 +1,189 @@ -+/* -+ * This file contains various random system calls that -+ * have a non-standard calling sequence on the Linux/i386 -+ * platform. -+ */ -+ -+#include <linux/errno.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/fs.h> -+#include <linux/smp.h> -+#include <linux/sem.h> -+#include <linux/msg.h> -+#include <linux/shm.h> -+#include <linux/stat.h> -+#include <linux/syscalls.h> -+#include <linux/mman.h> -+#include <linux/file.h> -+#include <linux/utsname.h> -+#include <linux/ipc.h> -+#include <linux/elf.h> -+ -+#include <linux/uaccess.h> -+#include <linux/unistd.h> -+ -+#include <asm/syscalls.h> -+ -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) -+{ -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ if (flags & MAP_FIXED) -+ if (len > pax_task_size || addr > pax_task_size - len) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+/* -+ * Align a virtual address to avoid aliasing in the I$ on AMD F15h. -+ */ -+static unsigned long get_align_mask(void) -+{ -+ if (va_align.flags < 0 || !(va_align.flags & ALIGN_VA_32)) -+ return 0; -+ -+ if (!(current->flags & PF_RANDOMIZE)) -+ return 0; -+ -+ return va_align.mask; -+} -+ -+unsigned long -+arch_get_unmapped_area(struct file *filp, unsigned long addr, -+ unsigned long len, unsigned long pgoff, unsigned long flags) -+{ -+ struct mm_struct *mm = current->mm; -+ struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = 0; -+ info.length = len; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) { -+ info.low_limit = 0x00110000UL; -+ info.high_limit = mm->start_code; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap & 0x03FFF000UL; -+#endif -+ -+ if (info.low_limit < info.high_limit) { -+ addr = vm_unmapped_area(&info); -+ if (!IS_ERR_VALUE(addr)) -+ return addr; -+ } -+ } else -+#endif -+ -+ info.low_limit = mm->mmap_base; -+ info.high_limit = pax_task_size; -+ -+ return vm_unmapped_area(&info); -+} -+ -+unsigned long -+arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -+ const unsigned long len, const unsigned long pgoff, -+ const unsigned long flags) -+{ -+ struct vm_area_struct *vma; -+ struct mm_struct *mm = current->mm; -+ unsigned long addr = addr0, pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ /* requested length too big for entire address space */ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) -+ goto bottomup; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ /* requesting a specific address */ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = VM_UNMAPPED_AREA_TOPDOWN; -+ info.length = len; -+ info.low_limit = PAGE_SIZE; -+ info.high_limit = mm->mmap_base; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+ addr = vm_unmapped_area(&info); -+ if (!(addr & ~PAGE_MASK)) -+ return addr; -+ VM_BUG_ON(addr != -ENOMEM); -+ -+bottomup: -+ /* -+ * A failed mmap() very likely causes application failure, -+ * so fall back to the bottom-up function here. This scenario -+ * can happen with large stack limits and large mmap() -+ * allocations. -+ */ -+ return arch_get_unmapped_area(filp, addr0, len, pgoff, flags); -+} -diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c -index 10e0272..b4bb9a7 100644 ---- a/arch/x86/kernel/sys_x86_64.c -+++ b/arch/x86/kernel/sys_x86_64.c -@@ -97,8 +97,8 @@ out: - return error; - } - --static void find_start_end(unsigned long flags, unsigned long *begin, -- unsigned long *end) -+static void find_start_end(struct mm_struct *mm, unsigned long flags, -+ unsigned long *begin, unsigned long *end) - { - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) { - unsigned long new_begin; -@@ -117,7 +117,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin, - *begin = new_begin; - } - } else { -- *begin = current->mm->mmap_legacy_base; -+ *begin = mm->mmap_legacy_base; - *end = TASK_SIZE; - } - } -@@ -130,20 +130,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; - unsigned long begin, end; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (flags & MAP_FIXED) - return addr; - -- find_start_end(flags, &begin, &end); -+ find_start_end(mm, flags, &begin, &end); - - if (len > end) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (end - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (end - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -157,6 +161,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -169,6 +174,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) -@@ -181,12 +187,15 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) - goto bottomup; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -200,6 +209,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - return addr; -diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c -index 91a4496..42fc304 100644 ---- a/arch/x86/kernel/tboot.c -+++ b/arch/x86/kernel/tboot.c -@@ -44,6 +44,7 @@ - #include <asm/setup.h> - #include <asm/e820.h> - #include <asm/io.h> -+#include <asm/tlbflush.h> - - #include "../realmode/rm/wakeup.h" - -@@ -221,7 +222,7 @@ static int tboot_setup_sleep(void) - - void tboot_shutdown(u32 shutdown_type) - { -- void (*shutdown)(void); -+ void (* __noreturn shutdown)(void); - - if (!tboot_enabled()) - return; -@@ -242,8 +243,9 @@ void tboot_shutdown(u32 shutdown_type) - tboot->shutdown_type = shutdown_type; - - switch_to_tboot_pt(); -+ cr4_clear_bits(X86_CR4_PCIDE); - -- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry; -+ shutdown = (void *)(unsigned long)tboot->shutdown_entry; - shutdown(); - - /* should not reach here */ -@@ -310,7 +312,7 @@ static int tboot_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b) - return -ENODEV; - } - --static atomic_t ap_wfs_count; -+static atomic_unchecked_t ap_wfs_count; - - static int tboot_wait_for_aps(int num_aps) - { -@@ -334,9 +336,9 @@ static int tboot_cpu_callback(struct notifier_block *nfb, unsigned long action, - { - switch (action) { - case CPU_DYING: -- atomic_inc(&ap_wfs_count); -+ atomic_inc_unchecked(&ap_wfs_count); - if (num_online_cpus() == 1) -- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count))) -+ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count))) - return NOTIFY_BAD; - break; - } -@@ -422,7 +424,7 @@ static __init int tboot_late_init(void) - - tboot_create_trampoline(); - -- atomic_set(&ap_wfs_count, 0); -+ atomic_set_unchecked(&ap_wfs_count, 0); - register_hotcpu_notifier(&tboot_cpu_notifier); - - #ifdef CONFIG_DEBUG_FS -diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c -index d39c091..1df4349 100644 ---- a/arch/x86/kernel/time.c -+++ b/arch/x86/kernel/time.c -@@ -32,7 +32,7 @@ unsigned long profile_pc(struct pt_regs *regs) - - if (!user_mode(regs) && in_lock_functions(pc)) { - #ifdef CONFIG_FRAME_POINTER -- return *(unsigned long *)(regs->bp + sizeof(long)); -+ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long))); - #else - unsigned long *sp = - (unsigned long *)kernel_stack_pointer(regs); -@@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs) - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return ktla_ktva(sp[0]); -+#else - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; - #endif -+ -+#endif - } - return pc; - } -diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c -index 7fc5e84..c6e445a 100644 ---- a/arch/x86/kernel/tls.c -+++ b/arch/x86/kernel/tls.c -@@ -139,6 +139,11 @@ int do_set_thread_area(struct task_struct *p, int idx, - if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE)) -+ return -EINVAL; -+#endif -+ - set_tls_desc(p, idx, &info, 1); - - return 0; -@@ -256,7 +261,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset, - - if (kbuf) - info = kbuf; -- else if (__copy_from_user(infobuf, ubuf, count)) -+ else if (count > sizeof infobuf || __copy_from_user(infobuf, ubuf, count)) - return -EFAULT; - else - info = infobuf; -diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c -index 1c113db..287b42e 100644 ---- a/arch/x86/kernel/tracepoint.c -+++ b/arch/x86/kernel/tracepoint.c -@@ -9,11 +9,11 @@ - #include <linux/atomic.h> - - atomic_t trace_idt_ctr = ATOMIC_INIT(0); --struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, -+const struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, - (unsigned long) trace_idt_table }; - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc trace_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc trace_idt_table[NR_VECTORS] __page_aligned_rodata; - - static int trace_irq_vector_refcount; - static DEFINE_MUTEX(irq_vector_mutex); -diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c -index 324ab52..0cfd2d05 100644 ---- a/arch/x86/kernel/traps.c -+++ b/arch/x86/kernel/traps.c -@@ -68,7 +68,7 @@ - #include <asm/proto.h> - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc debug_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc debug_idt_table[NR_VECTORS] __page_aligned_rodata; - #else - #include <asm/processor-flags.h> - #include <asm/setup.h> -@@ -77,7 +77,7 @@ asmlinkage int system_call(void); - #endif - - /* Must be page-aligned because the real IDT is used in a fixmap. */ --gate_desc idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc idt_table[NR_VECTORS] __page_aligned_rodata; - - DECLARE_BITMAP(used_vectors, NR_VECTORS); - EXPORT_SYMBOL_GPL(used_vectors); -@@ -174,7 +174,7 @@ void ist_begin_non_atomic(struct pt_regs *regs) - * will catch asm bugs and any attempt to use ist_preempt_enable - * from double_fault. - */ -- BUG_ON((unsigned long)(current_top_of_stack() - -+ BUG_ON((unsigned long)(current_top_of_stack(smp_processor_id()) - - current_stack_pointer()) >= THREAD_SIZE); - - preempt_count_sub(HARDIRQ_OFFSET); -@@ -191,7 +191,7 @@ void ist_end_non_atomic(void) - } - - static nokprobe_inline int --do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, -+do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str, - struct pt_regs *regs, long error_code) - { - if (v8086_mode(regs)) { -@@ -211,8 +211,20 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, - if (!fixup_exception(regs)) { - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = trapnr; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (trapnr == X86_TRAP_SS && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)) -+ str = "PAX: suspicious stack segment fault"; -+#endif -+ - die(str, regs, error_code); - } -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (trapnr == X86_TRAP_OF) -+ pax_report_refcount_overflow(regs); -+#endif -+ - return 0; - } - -@@ -251,7 +263,7 @@ static siginfo_t *fill_trap_info(struct pt_regs *regs, int signr, int trapnr, - } - - static void --do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, -+do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs, - long error_code, siginfo_t *info) - { - struct task_struct *tsk = current; -@@ -275,7 +287,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, - if (show_unhandled_signals && unhandled_signal(tsk, signr) && - printk_ratelimit()) { - pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx", -- tsk->comm, tsk->pid, str, -+ tsk->comm, task_pid_nr(tsk), str, - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - pr_cont("\n"); -@@ -357,6 +369,11 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_DF; - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if ((unsigned long)tsk->stack - regs->sp <= PAGE_SIZE) -+ die("grsec: kernel stack overflow detected", regs, error_code); -+#endif -+ - #ifdef CONFIG_DOUBLEFAULT - df_debug(regs, error_code); - #endif -@@ -475,11 +492,35 @@ do_general_protection(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - if (notify_die(DIE_GPF, "general protection fault", regs, error_code, -- X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) -+ X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS) -+ die("PAX: suspicious general protection fault", regs, error_code); -+ else -+#endif -+ - die("general protection fault", regs, error_code); -+ } - goto exit; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) { -+ struct mm_struct *mm = tsk->mm; -+ unsigned long limit; -+ -+ down_write(&mm->mmap_sem); -+ limit = mm->context.user_cs_limit; -+ if (limit < TASK_SIZE) { -+ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC); -+ up_write(&mm->mmap_sem); -+ return; -+ } -+ up_write(&mm->mmap_sem); -+ } -+#endif -+ - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - -@@ -578,6 +619,9 @@ struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s) - container_of(task_pt_regs(current), - struct bad_iret_stack, regs); - -+ if ((current->thread.sp0 ^ (unsigned long)s) < THREAD_SIZE) -+ new_stack = s; -+ - /* Copy the IRET target to the new stack. */ - memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8); - -diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c -index 5054497..139f8f8 100644 ---- a/arch/x86/kernel/tsc.c -+++ b/arch/x86/kernel/tsc.c -@@ -150,7 +150,7 @@ static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data) - */ - smp_wmb(); - -- ACCESS_ONCE(c2n->head) = data; -+ ACCESS_ONCE_RW(c2n->head) = data; - } - - /* -diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c -index 0b81ad6..fff670e 100644 ---- a/arch/x86/kernel/uprobes.c -+++ b/arch/x86/kernel/uprobes.c -@@ -986,7 +986,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs - - if (nleft != rasize) { - pr_err("uprobe: return address clobbered: pid=%d, %%sp=%#lx, " -- "%%ip=%#lx\n", current->pid, regs->sp, regs->ip); -+ "%%ip=%#lx\n", task_pid_nr(current), regs->sp, regs->ip); - - force_sig_info(SIGSEGV, SEND_SIG_FORCED, current); - } -diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S -index b9242ba..50c5edd 100644 ---- a/arch/x86/kernel/verify_cpu.S -+++ b/arch/x86/kernel/verify_cpu.S -@@ -20,6 +20,7 @@ - * arch/x86/boot/compressed/head_64.S: Boot cpu verification - * arch/x86/kernel/trampoline_64.S: secondary processor verification - * arch/x86/kernel/head_32.S: processor startup -+ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume - * - * verify_cpu, returns the status of longmode and SSE in register %eax. - * 0: Success 1: Failure -diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c -index fc9db6e..2c5865d 100644 ---- a/arch/x86/kernel/vm86_32.c -+++ b/arch/x86/kernel/vm86_32.c -@@ -44,6 +44,7 @@ - #include <linux/ptrace.h> - #include <linux/audit.h> - #include <linux/stddef.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/io.h> -@@ -150,7 +151,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs) - do_exit(SIGSEGV); - } - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - current->thread.sp0 = current->thread.saved_sp0; - current->thread.sysenter_cs = __KERNEL_CS; - load_sp0(tss, &current->thread); -@@ -214,6 +215,14 @@ SYSCALL_DEFINE1(vm86old, struct vm86_struct __user *, v86) - - if (tsk->thread.saved_sp0) - return -EPERM; -+ -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - tmp = copy_vm86_regs_from_user(&info.regs, &v86->regs, - offsetof(struct kernel_vm86_struct, vm86plus) - - sizeof(info.regs)); -@@ -238,6 +247,13 @@ SYSCALL_DEFINE2(vm86, unsigned long, cmd, unsigned long, arg) - int tmp; - struct vm86plus_struct __user *v86; - -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - tsk = current; - switch (cmd) { - case VM86_REQUEST_IRQ: -@@ -318,7 +334,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk - tsk->thread.saved_fs = info->regs32->fs; - tsk->thread.saved_gs = get_user_gs(info->regs32); - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0; - if (cpu_has_sep) - tsk->thread.sysenter_cs = 0; -@@ -525,7 +541,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i, - goto cannot_handle; - if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored)) - goto cannot_handle; -- intr_ptr = (unsigned long __user *) (i << 2); -+ intr_ptr = (__force unsigned long __user *) (i << 2); - if (get_user(segoffs, intr_ptr)) - goto cannot_handle; - if ((segoffs >> 16) == BIOSSEG) -diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S -index 00bf300..129df8e 100644 ---- a/arch/x86/kernel/vmlinux.lds.S -+++ b/arch/x86/kernel/vmlinux.lds.S -@@ -26,6 +26,13 @@ - #include <asm/page_types.h> - #include <asm/cache.h> - #include <asm/boot.h> -+#include <asm/segment.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR) -+#else -+#define __KERNEL_TEXT_OFFSET 0 -+#endif - - #undef i386 /* in case the preprocessor is a 32bit one */ - -@@ -69,30 +76,43 @@ jiffies_64 = jiffies; - - PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ -+#ifdef CONFIG_X86_32 -+ module PT_LOAD FLAGS(5); /* R_E */ -+#endif -+#ifdef CONFIG_XEN -+ rodata PT_LOAD FLAGS(5); /* R_E */ -+#else -+ rodata PT_LOAD FLAGS(4); /* R__ */ -+#endif - data PT_LOAD FLAGS(6); /* RW_ */ --#ifdef CONFIG_X86_64 -+ init.begin PT_LOAD FLAGS(6); /* RW_ */ - #ifdef CONFIG_SMP - percpu PT_LOAD FLAGS(6); /* RW_ */ - #endif -+ text.init PT_LOAD FLAGS(5); /* R_E */ -+ text.exit PT_LOAD FLAGS(5); /* R_E */ - init PT_LOAD FLAGS(7); /* RWE */ --#endif - note PT_NOTE FLAGS(0); /* ___ */ - } - - SECTIONS - { - #ifdef CONFIG_X86_32 -- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR; -- phys_startup_32 = startup_32 - LOAD_OFFSET; -+ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR; - #else -- . = __START_KERNEL; -- phys_startup_64 = startup_64 - LOAD_OFFSET; -+ . = __START_KERNEL; - #endif - - /* Text and read-only data */ -- .text : AT(ADDR(.text) - LOAD_OFFSET) { -- _text = .; -+ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { - /* bootstrapping code */ -+#ifdef CONFIG_X86_32 -+ phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#else -+ phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#endif -+ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+ _text = .; - HEAD_TEXT - . = ALIGN(8); - _stext = .; -@@ -104,13 +124,47 @@ SECTIONS - IRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) -- /* End of text section */ -- _etext = .; - } :text = 0x9090 - -- NOTES :text :note -+ . += __KERNEL_TEXT_OFFSET; - -- EXCEPTION_TABLE(16) :text = 0x9090 -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ MODULES_EXEC_VADDR = .; -+ BYTE(0) -+ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024); -+ . = ALIGN(HPAGE_SIZE) - 1; -+ MODULES_EXEC_END = .; -+#endif -+ -+ } :module -+#endif -+ -+ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) { -+ /* End of text section */ -+ BYTE(0) -+ _etext = . - __KERNEL_TEXT_OFFSET; -+ } -+ -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) { -+ . = ALIGN(PAGE_SIZE); -+ *(.empty_zero_page) -+ *(.initial_pg_fixmap) -+ *(.initial_pg_pmd) -+ *(.initial_page_table) -+ *(.swapper_pg_dir) -+ } :rodata -+#endif -+ -+ . = ALIGN(PAGE_SIZE); -+ NOTES :rodata :note -+ -+ EXCEPTION_TABLE(16) :rodata - - #if defined(CONFIG_DEBUG_RODATA) - /* .text should occupy whole number of pages */ -@@ -122,16 +176,20 @@ SECTIONS - - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - /* Start of data section */ - _sdata = .; - - /* init_task */ - INIT_TASK_DATA(THREAD_SIZE) - --#ifdef CONFIG_X86_32 -- /* 32 bit has nosave before _edata */ - NOSAVE_DATA --#endif - - PAGE_ALIGNED_DATA(PAGE_SIZE) - -@@ -174,12 +232,19 @@ SECTIONS - . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE); - - /* Init code and data - will be freed after init */ -- . = ALIGN(PAGE_SIZE); - .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) { -+ BYTE(0) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - __init_begin = .; /* paired with __init_end */ -- } -+ } :init.begin - --#if defined(CONFIG_X86_64) && defined(CONFIG_SMP) -+#ifdef CONFIG_SMP - /* - * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the - * output PHDR, so the next output section - .init.text - should -@@ -190,12 +255,27 @@ SECTIONS - "per-CPU data too large - increase CONFIG_PHYSICAL_START") - #endif - -- INIT_TEXT_SECTION(PAGE_SIZE) --#ifdef CONFIG_X86_64 -- :init --#endif -+ . = ALIGN(PAGE_SIZE); -+ init_begin = .; -+ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) { -+ VMLINUX_SYMBOL(_sinittext) = .; -+ INIT_TEXT -+ . = ALIGN(PAGE_SIZE); -+ } :text.init - -- INIT_DATA_SECTION(16) -+ /* -+ * .exit.text is discard at runtime, not link time, to deal with -+ * references from .altinstructions and .eh_frame -+ */ -+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { -+ EXIT_TEXT -+ VMLINUX_SYMBOL(_einittext) = .; -+ . = ALIGN(16); -+ } :text.exit -+ . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text); -+ -+ . = ALIGN(PAGE_SIZE); -+ INIT_DATA_SECTION(16) :init - - .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { - __x86_cpu_dev_start = .; -@@ -266,19 +346,12 @@ SECTIONS - } - - . = ALIGN(8); -- /* -- * .exit.text is discard at runtime, not link time, to deal with -- * references from .altinstructions and .eh_frame -- */ -- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { -- EXIT_TEXT -- } - - .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { - EXIT_DATA - } - --#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) -+#ifndef CONFIG_SMP - PERCPU_SECTION(INTERNODE_CACHE_BYTES) - #endif - -@@ -297,16 +370,10 @@ SECTIONS - .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { - __smp_locks = .; - *(.smp_locks) -- . = ALIGN(PAGE_SIZE); - __smp_locks_end = .; -+ . = ALIGN(PAGE_SIZE); - } - --#ifdef CONFIG_X86_64 -- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { -- NOSAVE_DATA -- } --#endif -- - /* BSS */ - . = ALIGN(PAGE_SIZE); - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { -@@ -322,6 +389,7 @@ SECTIONS - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ -+ . = ALIGN(HPAGE_SIZE); - __brk_limit = .; - } - -@@ -348,13 +416,12 @@ SECTIONS - * for the boot processor. - */ - #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load --INIT_PER_CPU(gdt_page); - INIT_PER_CPU(irq_stack_union); - - /* - * Build-time check on the image size: - */ --. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), -+. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); - - #ifdef CONFIG_SMP -diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c -index 2dcc6ff..082dc7a 100644 ---- a/arch/x86/kernel/vsyscall_64.c -+++ b/arch/x86/kernel/vsyscall_64.c -@@ -38,15 +38,13 @@ - #define CREATE_TRACE_POINTS - #include "vsyscall_trace.h" - --static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE; -+static enum { EMULATE, NONE } vsyscall_mode = EMULATE; - - static int __init vsyscall_setup(char *str) - { - if (str) { - if (!strcmp("emulate", str)) - vsyscall_mode = EMULATE; -- else if (!strcmp("native", str)) -- vsyscall_mode = NATIVE; - else if (!strcmp("none", str)) - vsyscall_mode = NONE; - else -@@ -264,8 +262,7 @@ do_ret: - return true; - - sigsegv: -- force_sig(SIGSEGV, current); -- return true; -+ do_group_exit(SIGKILL); - } - - /* -@@ -283,8 +280,8 @@ static struct vm_operations_struct gate_vma_ops = { - static struct vm_area_struct gate_vma = { - .vm_start = VSYSCALL_ADDR, - .vm_end = VSYSCALL_ADDR + PAGE_SIZE, -- .vm_page_prot = PAGE_READONLY_EXEC, -- .vm_flags = VM_READ | VM_EXEC, -+ .vm_page_prot = PAGE_READONLY, -+ .vm_flags = VM_READ, - .vm_ops = &gate_vma_ops, - }; - -@@ -325,10 +322,7 @@ void __init map_vsyscall(void) - unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page); - - if (vsyscall_mode != NONE) -- __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, -- vsyscall_mode == NATIVE -- ? PAGE_KERNEL_VSYSCALL -- : PAGE_KERNEL_VVAR); -+ __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR); - - BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) != - (unsigned long)VSYSCALL_ADDR); -diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c -index 37d8fa4..66e319a 100644 ---- a/arch/x86/kernel/x8664_ksyms_64.c -+++ b/arch/x86/kernel/x8664_ksyms_64.c -@@ -34,8 +34,6 @@ EXPORT_SYMBOL(copy_user_generic_string); - EXPORT_SYMBOL(copy_user_generic_unrolled); - EXPORT_SYMBOL(copy_user_enhanced_fast_string); - EXPORT_SYMBOL(__copy_user_nocache); --EXPORT_SYMBOL(_copy_from_user); --EXPORT_SYMBOL(_copy_to_user); - - EXPORT_SYMBOL(copy_page); - EXPORT_SYMBOL(clear_page); -@@ -79,3 +77,7 @@ EXPORT_SYMBOL(___preempt_schedule); - EXPORT_SYMBOL(___preempt_schedule_context); - #endif - #endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+EXPORT_SYMBOL(cpu_pgd); -+#endif -diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c -index 234b072..b7ab191 100644 ---- a/arch/x86/kernel/x86_init.c -+++ b/arch/x86/kernel/x86_init.c -@@ -93,7 +93,7 @@ struct x86_cpuinit_ops x86_cpuinit = { - static void default_nmi_init(void) { }; - static int default_i8042_detect(void) { return 1; }; - --struct x86_platform_ops x86_platform = { -+struct x86_platform_ops x86_platform __read_only = { - .calibrate_tsc = native_calibrate_tsc, - .get_wallclock = mach_get_cmos_time, - .set_wallclock = mach_set_rtc_mmss, -@@ -109,7 +109,7 @@ struct x86_platform_ops x86_platform = { - EXPORT_SYMBOL_GPL(x86_platform); - - #if defined(CONFIG_PCI_MSI) --struct x86_msi_ops x86_msi = { -+struct x86_msi_ops x86_msi __read_only = { - .setup_msi_irqs = native_setup_msi_irqs, - .compose_msi_msg = native_compose_msi_msg, - .teardown_msi_irq = native_teardown_msi_irq, -@@ -140,7 +140,7 @@ void arch_restore_msi_irqs(struct pci_dev *dev) - } - #endif - --struct x86_io_apic_ops x86_io_apic_ops = { -+struct x86_io_apic_ops x86_io_apic_ops __read_only = { - .init = native_io_apic_init_mappings, - .read = native_io_apic_read, - .write = native_io_apic_write, -diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c -index 87a815b..727dbe6 100644 ---- a/arch/x86/kernel/xsave.c -+++ b/arch/x86/kernel/xsave.c -@@ -168,18 +168,18 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - - /* Setup the bytes not touched by the [f]xsave and reserved for SW. */ - sw_bytes = ia32_frame ? &fx_sw_reserved_ia32 : &fx_sw_reserved; -- err = __copy_to_user(&x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); -+ err = __copy_to_user(x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); - - if (!use_xsave()) - return err; - -- err |= __put_user(FP_XSTATE_MAGIC2, (__u32 *)(buf + xstate_size)); -+ err |= __put_user(FP_XSTATE_MAGIC2, (__u32 __user *)(buf + xstate_size)); - - /* - * Read the xstate_bv which we copied (directly from the cpu or - * from the state in task struct) to the user buffers. - */ -- err |= __get_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv); -+ err |= __get_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv); - - /* - * For legacy compatible, we always set FP/SSE bits in the bit -@@ -194,7 +194,7 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - */ - xstate_bv |= XSTATE_FPSSE; - -- err |= __put_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv); -+ err |= __put_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv); - - return err; - } -@@ -203,6 +203,7 @@ static inline int save_user_xstate(struct xsave_struct __user *buf) - { - int err; - -+ buf = (struct xsave_struct __user *)____m(buf); - if (use_xsave()) - err = xsave_user(buf); - else if (use_fxsr()) -@@ -313,6 +314,7 @@ sanitize_restored_xstate(struct task_struct *tsk, - */ - static inline int restore_user_xstate(void __user *buf, u64 xbv, int fx_only) - { -+ buf = (void __user *)____m(buf); - if (use_xsave()) { - if ((unsigned long)buf % 64 || fx_only) { - u64 init_bv = pcntxt_mask & ~XSTATE_FPSSE; -diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c -index 1d08ad3..c6a4faf 100644 ---- a/arch/x86/kvm/cpuid.c -+++ b/arch/x86/kvm/cpuid.c -@@ -204,15 +204,20 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent > KVM_MAX_CPUID_ENTRIES) - goto out; - r = -EFAULT; -- if (copy_from_user(&vcpu->arch.cpuid_entries, entries, -- cpuid->nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < cpuid->nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry; -+ if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry))) -+ goto out; -+ vcpu->arch.cpuid_entries[i] = cpuid_entry; -+ } - vcpu->arch.cpuid_nent = cpuid->nent; - kvm_apic_set_version(vcpu); - kvm_x86_ops->cpuid_update(vcpu); -@@ -225,15 +230,19 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent < vcpu->arch.cpuid_nent) - goto out; - r = -EFAULT; -- if (copy_to_user(entries, &vcpu->arch.cpuid_entries, -- vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i]; -+ if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry))) -+ goto out; -+ } - return 0; - - out: -diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c -index 630bcb0..a7f6d9e 100644 ---- a/arch/x86/kvm/emulate.c -+++ b/arch/x86/kvm/emulate.c -@@ -3569,7 +3569,7 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt) - int cr = ctxt->modrm_reg; - u64 efer = 0; - -- static u64 cr_reserved_bits[] = { -+ static const u64 cr_reserved_bits[] = { - 0xffffffff00000000ULL, - 0, 0, 0, /* CR3 checked later */ - CR4_RESERVED_BITS, -diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c -index 67d07e0..10769d5 100644 ---- a/arch/x86/kvm/lapic.c -+++ b/arch/x86/kvm/lapic.c -@@ -56,7 +56,7 @@ - #define APIC_BUS_CYCLE_NS 1 - - /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */ --#define apic_debug(fmt, arg...) -+#define apic_debug(fmt, arg...) do {} while (0) - - #define APIC_LVT_NUM 6 - /* 14 is the version for Xeon and Pentium 8.4.8*/ -diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h -index 6e6d115..43fecbf 100644 ---- a/arch/x86/kvm/paging_tmpl.h -+++ b/arch/x86/kvm/paging_tmpl.h -@@ -343,7 +343,7 @@ retry_walk: - if (unlikely(kvm_is_error_hva(host_addr))) - goto error; - -- ptep_user = (pt_element_t __user *)((void *)host_addr + offset); -+ ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset); - if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte)))) - goto error; - walker->ptep_user[walker->level - 1] = ptep_user; -diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c -index 4911bf1..e7d3ed2 100644 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -3577,7 +3577,11 @@ static void reload_tss(struct kvm_vcpu *vcpu) - int cpu = raw_smp_processor_id(); - - struct svm_cpu_data *sd = per_cpu(svm_data, cpu); -+ -+ pax_open_kernel(); - sd->tss_desc->type = 9; /* available 32/64-bit TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -3973,6 +3977,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) - #endif - #endif - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - reload_tss(vcpu); - - local_irq_disable(); -diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c -index 2d73807..84a0e59 100644 ---- a/arch/x86/kvm/vmx.c -+++ b/arch/x86/kvm/vmx.c -@@ -1440,12 +1440,12 @@ static void vmcs_write64(unsigned long field, u64 value) - #endif - } - --static void vmcs_clear_bits(unsigned long field, u32 mask) -+static void vmcs_clear_bits(unsigned long field, unsigned long mask) - { - vmcs_writel(field, vmcs_readl(field) & ~mask); - } - --static void vmcs_set_bits(unsigned long field, u32 mask) -+static void vmcs_set_bits(unsigned long field, unsigned long mask) - { - vmcs_writel(field, vmcs_readl(field) | mask); - } -@@ -1705,7 +1705,11 @@ static void reload_tss(void) - struct desc_struct *descs; - - descs = (void *)gdt->address; -+ -+ pax_open_kernel(); - descs[GDT_ENTRY_TSS].type = 9; /* available TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -1941,6 +1945,10 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) - vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */ - vmcs_writel(HOST_GDTR_BASE, gdt->address); /* 22.2.4 */ - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif -+ - rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp); - vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */ - vmx->loaded_vmcs->cpu = cpu; -@@ -2233,7 +2241,7 @@ static void setup_msrs(struct vcpu_vmx *vmx) - * reads and returns guest's timestamp counter "register" - * guest_tsc = host_tsc + tsc_offset -- 21.3 - */ --static u64 guest_read_tsc(void) -+static u64 __intentional_overflow(-1) guest_read_tsc(void) - { - u64 host_tsc, tsc_offset; - -@@ -4467,7 +4475,10 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - unsigned long cr4; - - vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif - - /* Save the most likely value for this task's CR4 in the VMCS. */ - cr4 = cr4_read_shadow(); -@@ -4494,7 +4505,7 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */ - vmx->host_idt_base = dt.address; - -- vmcs_writel(HOST_RIP, vmx_return); /* 22.2.5 */ -+ vmcs_writel(HOST_RIP, ktla_ktva(vmx_return)); /* 22.2.5 */ - - rdmsr(MSR_IA32_SYSENTER_CS, low32, high32); - vmcs_write32(HOST_IA32_SYSENTER_CS, low32); -@@ -6107,11 +6118,17 @@ static __init int hardware_setup(void) - * page upon invalidation. No need to do anything if not - * using the APIC_ACCESS_ADDR VMCS field. - */ -- if (!flexpriority_enabled) -- kvm_x86_ops->set_apic_access_page_addr = NULL; -+ if (!flexpriority_enabled) { -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->set_apic_access_page_addr = NULL; -+ pax_close_kernel(); -+ } - -- if (!cpu_has_vmx_tpr_shadow()) -- kvm_x86_ops->update_cr8_intercept = NULL; -+ if (!cpu_has_vmx_tpr_shadow()) { -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL; -+ pax_close_kernel(); -+ } - - if (enable_ept && !cpu_has_vmx_ept_2m_page()) - kvm_disable_largepages(); -@@ -6122,14 +6139,16 @@ static __init int hardware_setup(void) - if (!cpu_has_vmx_apicv()) - enable_apicv = 0; - -+ pax_open_kernel(); - if (enable_apicv) -- kvm_x86_ops->update_cr8_intercept = NULL; -+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL; - else { -- kvm_x86_ops->hwapic_irr_update = NULL; -- kvm_x86_ops->hwapic_isr_update = NULL; -- kvm_x86_ops->deliver_posted_interrupt = NULL; -- kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy; -+ *(void **)&kvm_x86_ops->hwapic_irr_update = NULL; -+ *(void **)&kvm_x86_ops->hwapic_isr_update = NULL; -+ *(void **)&kvm_x86_ops->deliver_posted_interrupt = NULL; -+ *(void **)&kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy; - } -+ pax_close_kernel(); - - vmx_disable_intercept_for_msr(MSR_FS_BASE, false); - vmx_disable_intercept_for_msr(MSR_GS_BASE, false); -@@ -6182,10 +6201,12 @@ static __init int hardware_setup(void) - enable_pml = 0; - - if (!enable_pml) { -- kvm_x86_ops->slot_enable_log_dirty = NULL; -- kvm_x86_ops->slot_disable_log_dirty = NULL; -- kvm_x86_ops->flush_log_dirty = NULL; -- kvm_x86_ops->enable_log_dirty_pt_masked = NULL; -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->slot_enable_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->slot_disable_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->flush_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->enable_log_dirty_pt_masked = NULL; -+ pax_close_kernel(); - } - - return alloc_kvm_area(); -@@ -8230,6 +8251,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - "jmp 2f \n\t" - "1: " __ex(ASM_VMX_VMRESUME) "\n\t" - "2: " -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ "ljmp %[cs],$3f\n\t" -+ "3: " -+#endif -+ - /* Save guest registers, load host registers, keep flags */ - "mov %0, %c[wordsize](%%" _ASM_SP ") \n\t" - "pop %0 \n\t" -@@ -8282,6 +8309,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - #endif - [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)), - [wordsize]"i"(sizeof(ulong)) -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ,[cs]"i"(__KERNEL_CS) -+#endif -+ - : "cc", "memory" - #ifdef CONFIG_X86_64 - , "rax", "rbx", "rdi", "rsi" -@@ -8295,7 +8327,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - if (debugctlmsr) - update_debugctlmsr(debugctlmsr); - --#ifndef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 - /* - * The sysexit path does not restore ds/es, so we must set them to - * a reasonable value ourselves. -@@ -8304,8 +8336,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - * may be executed in interrupt context, which saves and restore segments - * around it, nullifying its effect. - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ loadsegment(fs, __KERNEL_PERCPU); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - #endif - - vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP) -diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c -index ea306ad..669f42d 100644 ---- a/arch/x86/kvm/x86.c -+++ b/arch/x86/kvm/x86.c -@@ -1929,8 +1929,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) - { - struct kvm *kvm = vcpu->kvm; - int lm = is_long_mode(vcpu); -- u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -- : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32; -+ u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -+ : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32; - u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64 - : kvm->arch.xen_hvm_config.blob_size_32; - u32 page_num = data & ~PAGE_MASK; -@@ -2867,6 +2867,8 @@ long kvm_arch_dev_ioctl(struct file *filp, - if (n < msr_list.nmsrs) - goto out; - r = -EFAULT; -+ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save)) -+ goto out; - if (copy_to_user(user_msr_list->indices, &msrs_to_save, - num_msrs_to_save * sizeof(u32))) - goto out; -@@ -5784,7 +5786,7 @@ static struct notifier_block pvclock_gtod_notifier = { - }; - #endif - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - int r; - struct kvm_x86_ops *ops = opaque; -diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c -index 8f9a133..3c7694b 100644 ---- a/arch/x86/lguest/boot.c -+++ b/arch/x86/lguest/boot.c -@@ -1341,9 +1341,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count) - * Rebooting also tells the Host we're finished, but the RESTART flag tells the - * Launcher to reboot us. - */ --static void lguest_restart(char *reason) -+static __noreturn void lguest_restart(char *reason) - { - hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0); -+ BUG(); - } - - /*G:050 -diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S -index 00933d5..3a64af9 100644 ---- a/arch/x86/lib/atomic64_386_32.S -+++ b/arch/x86/lib/atomic64_386_32.S -@@ -48,6 +48,10 @@ BEGIN(read) - movl (v), %eax - movl 4(v), %edx - RET_ENDP -+BEGIN(read_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+RET_ENDP - #undef v - - #define v %esi -@@ -55,6 +59,10 @@ BEGIN(set) - movl %ebx, (v) - movl %ecx, 4(v) - RET_ENDP -+BEGIN(set_unchecked) -+ movl %ebx, (v) -+ movl %ecx, 4(v) -+RET_ENDP - #undef v - - #define v %esi -@@ -70,6 +78,20 @@ RET_ENDP - BEGIN(add) - addl %eax, (v) - adcl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl %eax, (v) -+ sbbl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(add_unchecked) -+ addl %eax, (v) -+ adcl %edx, 4(v) - RET_ENDP - #undef v - -@@ -77,6 +99,24 @@ RET_ENDP - BEGIN(add_return) - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(add_return_unchecked) -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -86,6 +126,20 @@ RET_ENDP - BEGIN(sub) - subl %eax, (v) - sbbl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl %eax, (v) -+ adcl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(sub_unchecked) -+ subl %eax, (v) -+ sbbl %edx, 4(v) - RET_ENDP - #undef v - -@@ -96,6 +150,27 @@ BEGIN(sub_return) - sbbl $0, %edx - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(sub_return_unchecked) -+ negl %edx -+ negl %eax -+ sbbl $0, %edx -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -105,6 +180,20 @@ RET_ENDP - BEGIN(inc) - addl $1, (v) - adcl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl $1, (v) -+ sbbl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(inc_unchecked) -+ addl $1, (v) -+ adcl $0, 4(v) - RET_ENDP - #undef v - -@@ -114,6 +203,26 @@ BEGIN(inc_return) - movl 4(v), %edx - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(inc_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ addl $1, %eax -+ adcl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -123,6 +232,20 @@ RET_ENDP - BEGIN(dec) - subl $1, (v) - sbbl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl $1, (v) -+ adcl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(dec_unchecked) -+ subl $1, (v) -+ sbbl $0, 4(v) - RET_ENDP - #undef v - -@@ -132,6 +255,26 @@ BEGIN(dec_return) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(dec_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ subl $1, %eax -+ sbbl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -143,6 +286,13 @@ BEGIN(add_unless) - adcl %edx, %edi - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - cmpl %eax, %ecx - je 3f - 1: -@@ -168,6 +318,13 @@ BEGIN(inc_not_zero) - 1: - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - movl %eax, (v) - movl %edx, 4(v) - movl $1, %eax -@@ -186,6 +343,13 @@ BEGIN(dec_if_positive) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 1f) -+#endif -+ - js 1f - movl %eax, (v) - movl %edx, 4(v) -diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S -index 082a851..6a963bc 100644 ---- a/arch/x86/lib/atomic64_cx8_32.S -+++ b/arch/x86/lib/atomic64_cx8_32.S -@@ -25,10 +25,20 @@ ENTRY(atomic64_read_cx8) - CFI_STARTPROC - - read64 %ecx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_read_cx8) - -+ENTRY(atomic64_read_unchecked_cx8) -+ CFI_STARTPROC -+ -+ read64 %ecx -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_read_unchecked_cx8) -+ - ENTRY(atomic64_set_cx8) - CFI_STARTPROC - -@@ -38,10 +48,25 @@ ENTRY(atomic64_set_cx8) - cmpxchg8b (%esi) - jne 1b - -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_set_cx8) - -+ENTRY(atomic64_set_unchecked_cx8) -+ CFI_STARTPROC -+ -+1: -+/* we don't need LOCK_PREFIX since aligned 64-bit writes -+ * are atomic on 586 and newer */ -+ cmpxchg8b (%esi) -+ jne 1b -+ -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_set_unchecked_cx8) -+ - ENTRY(atomic64_xchg_cx8) - CFI_STARTPROC - -@@ -50,12 +75,13 @@ ENTRY(atomic64_xchg_cx8) - cmpxchg8b (%esi) - jne 1b - -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_xchg_cx8) - --.macro addsub_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro addsub_return func ins insc unchecked="" -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - CFI_STARTPROC - pushl_cfi_reg ebp - pushl_cfi_reg ebx -@@ -72,27 +98,44 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l %esi, %ebx - \insc\()l %edi, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%ebp) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - popl_cfi_reg edi - popl_cfi_reg esi - popl_cfi_reg ebx - popl_cfi_reg ebp -+ pax_force_retaddr - ret - CFI_ENDPROC --ENDPROC(atomic64_\func\()_return_cx8) -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - addsub_return add add adc - addsub_return sub sub sbb -+addsub_return add add adc _unchecked -+addsub_return sub sub sbb _unchecked - --.macro incdec_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro incdec_return func ins insc unchecked="" -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - CFI_STARTPROC - pushl_cfi_reg ebx - -@@ -102,21 +145,38 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l $1, %ebx - \insc\()l $0, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC --ENDPROC(atomic64_\func\()_return_cx8) -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - incdec_return inc add adc - incdec_return dec sub sbb -+incdec_return inc add adc _unchecked -+incdec_return dec sub sbb _unchecked - - ENTRY(atomic64_dec_if_positive_cx8) - CFI_STARTPROC -@@ -128,6 +188,13 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %edx, %ecx - subl $1, %ebx - sbb $0, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - js 2f - LOCK_PREFIX - cmpxchg8b (%esi) -@@ -137,6 +204,7 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %ebx, %eax - movl %ecx, %edx - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_dec_if_positive_cx8) -@@ -161,6 +229,13 @@ ENTRY(atomic64_add_unless_cx8) - movl %edx, %ecx - addl %ebp, %ebx - adcl %edi, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -171,6 +246,7 @@ ENTRY(atomic64_add_unless_cx8) - CFI_ADJUST_CFA_OFFSET -8 - popl_cfi_reg ebx - popl_cfi_reg ebp -+ pax_force_retaddr - ret - 4: - cmpl %edx, 4(%esp) -@@ -193,6 +269,13 @@ ENTRY(atomic64_inc_not_zero_cx8) - xorl %ecx, %ecx - addl $1, %ebx - adcl %edx, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -200,6 +283,7 @@ ENTRY(atomic64_inc_not_zero_cx8) - movl $1, %eax - 3: - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_inc_not_zero_cx8) -diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S -index 9bc944a..e52be6c 100644 ---- a/arch/x86/lib/checksum_32.S -+++ b/arch/x86/lib/checksum_32.S -@@ -29,7 +29,8 @@ - #include <asm/dwarf2.h> - #include <asm/errno.h> - #include <asm/asm.h> -- -+#include <asm/segment.h> -+ - /* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -@@ -285,9 +286,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, - - #define ARGBASE 16 - #define FP 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - subl $4,%esp - CFI_ADJUST_CFA_OFFSET 4 - pushl_cfi_reg edi -@@ -306,7 +322,7 @@ ENTRY(csum_partial_copy_generic) - jmp 4f - SRC(1: movw (%esi), %bx ) - addl $2, %esi --DST( movw %bx, (%edi) ) -+DST( movw %bx, %es:(%edi) ) - addl $2, %edi - addw %bx, %ax - adcl $0, %eax -@@ -318,30 +334,30 @@ DST( movw %bx, (%edi) ) - SRC(1: movl (%esi), %ebx ) - SRC( movl 4(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - adcl %edx, %eax --DST( movl %edx, 4(%edi) ) -+DST( movl %edx, %es:4(%edi) ) - - SRC( movl 8(%esi), %ebx ) - SRC( movl 12(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 8(%edi) ) -+DST( movl %ebx, %es:8(%edi) ) - adcl %edx, %eax --DST( movl %edx, 12(%edi) ) -+DST( movl %edx, %es:12(%edi) ) - - SRC( movl 16(%esi), %ebx ) - SRC( movl 20(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 16(%edi) ) -+DST( movl %ebx, %es:16(%edi) ) - adcl %edx, %eax --DST( movl %edx, 20(%edi) ) -+DST( movl %edx, %es:20(%edi) ) - - SRC( movl 24(%esi), %ebx ) - SRC( movl 28(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 24(%edi) ) -+DST( movl %ebx, %es:24(%edi) ) - adcl %edx, %eax --DST( movl %edx, 28(%edi) ) -+DST( movl %edx, %es:28(%edi) ) - - lea 32(%esi), %esi - lea 32(%edi), %edi -@@ -355,7 +371,7 @@ DST( movl %edx, 28(%edi) ) - shrl $2, %edx # This clears CF - SRC(3: movl (%esi), %ebx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - lea 4(%esi), %esi - lea 4(%edi), %edi - dec %edx -@@ -367,12 +383,12 @@ DST( movl %ebx, (%edi) ) - jb 5f - SRC( movw (%esi), %cx ) - leal 2(%esi), %esi --DST( movw %cx, (%edi) ) -+DST( movw %cx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%ecx - SRC(5: movb (%esi), %cl ) --DST( movb %cl, (%edi) ) -+DST( movb %cl, %es:(%edi) ) - 6: addl %ecx, %eax - adcl $0, %eax - 7: -@@ -383,7 +399,7 @@ DST( movb %cl, (%edi) ) - - 6001: - movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - - # zero the complete destination - computing the rest - # is too much work -@@ -396,37 +412,58 @@ DST( movb %cl, (%edi) ) - - 6002: - movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT,(%ebx) -+ movl $-EFAULT,%ss:(%ebx) - jmp 5000b - - .previous - -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es - popl_cfi_reg ebx - popl_cfi_reg esi - popl_cfi_reg edi - popl_cfi %ecx # equivalent to addl $4,%esp - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #else - - /* Version for PentiumII/PPro */ - - #define ROUND1(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - addl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ROUND(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - adcl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ARGBASE 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - pushl_cfi_reg ebx - pushl_cfi_reg edi - pushl_cfi_reg esi -@@ -444,7 +481,7 @@ ENTRY(csum_partial_copy_generic) - subl %ebx, %edi - lea -1(%esi),%edx - andl $-32,%edx -- lea 3f(%ebx,%ebx), %ebx -+ lea 3f(%ebx,%ebx,2), %ebx - testl %esi, %esi - jmp *%ebx - 1: addl $64,%esi -@@ -465,19 +502,19 @@ ENTRY(csum_partial_copy_generic) - jb 5f - SRC( movw (%esi), %dx ) - leal 2(%esi), %esi --DST( movw %dx, (%edi) ) -+DST( movw %dx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%edx - 5: - SRC( movb (%esi), %dl ) --DST( movb %dl, (%edi) ) -+DST( movb %dl, %es:(%edi) ) - 6: addl %edx, %eax - adcl $0, %eax - 7: - .section .fixup, "ax" - 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - # zero the complete destination (computing the rest is too much work) - movl ARGBASE+8(%esp),%edi # dst - movl ARGBASE+12(%esp),%ecx # len -@@ -485,16 +522,23 @@ DST( movb %dl, (%edi) ) - rep; stosb - jmp 7b - 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - jmp 7b - .previous - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es -+#endif -+ - popl_cfi_reg esi - popl_cfi_reg edi - popl_cfi_reg ebx - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #undef ROUND - #undef ROUND1 -diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S -index e67e579..4782449 100644 ---- a/arch/x86/lib/clear_page_64.S -+++ b/arch/x86/lib/clear_page_64.S -@@ -23,6 +23,7 @@ ENTRY(clear_page) - movl $4096/8,%ecx - xorl %eax,%eax - rep stosq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page) -@@ -47,6 +48,7 @@ ENTRY(clear_page_orig) - leaq 64(%rdi),%rdi - jnz .Lloop - nop -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_orig) -@@ -56,6 +58,7 @@ ENTRY(clear_page_c_e) - movl $4096,%ecx - xorl %eax,%eax - rep stosb -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_c_e) -diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S -index 40a1725..5d12ac4 100644 ---- a/arch/x86/lib/cmpxchg16b_emu.S -+++ b/arch/x86/lib/cmpxchg16b_emu.S -@@ -8,6 +8,7 @@ - #include <linux/linkage.h> - #include <asm/dwarf2.h> - #include <asm/percpu.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -46,12 +47,14 @@ CFI_STARTPROC - CFI_REMEMBER_STATE - popfq_cfi - mov $1, %al -+ pax_force_retaddr - ret - - CFI_RESTORE_STATE - .Lnot_same: - popfq_cfi - xor %al,%al -+ pax_force_retaddr - ret - - CFI_ENDPROC -diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S -index 8239dbc..e714d2a 100644 ---- a/arch/x86/lib/copy_page_64.S -+++ b/arch/x86/lib/copy_page_64.S -@@ -17,6 +17,7 @@ ENTRY(copy_page) - ALTERNATIVE "jmp copy_page_regs", "", X86_FEATURE_REP_GOOD - movl $4096/8, %ecx - rep movsq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(copy_page) -@@ -27,8 +28,8 @@ ENTRY(copy_page_regs) - CFI_ADJUST_CFA_OFFSET 2*8 - movq %rbx, (%rsp) - CFI_REL_OFFSET rbx, 0 -- movq %r12, 1*8(%rsp) -- CFI_REL_OFFSET r12, 1*8 -+ movq %r13, 1*8(%rsp) -+ CFI_REL_OFFSET r13, 1*8 - - movl $(4096/64)-5, %ecx - .p2align 4 -@@ -41,7 +42,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - prefetcht0 5*64(%rsi) - -@@ -52,7 +53,7 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64 (%rsi), %rsi - leaq 64 (%rdi), %rdi -@@ -71,7 +72,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - movq %rax, 0x8*0(%rdi) - movq %rbx, 0x8*1(%rdi) -@@ -80,7 +81,7 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64(%rdi), %rdi - leaq 64(%rsi), %rsi -@@ -88,10 +89,11 @@ ENTRY(copy_page_regs) - - movq (%rsp), %rbx - CFI_RESTORE rbx -- movq 1*8(%rsp), %r12 -- CFI_RESTORE r12 -+ movq 1*8(%rsp), %r13 -+ CFI_RESTORE r13 - addq $2*8, %rsp - CFI_ADJUST_CFA_OFFSET -2*8 -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(copy_page_regs) -diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S -index fa997df..060ab18 100644 ---- a/arch/x86/lib/copy_user_64.S -+++ b/arch/x86/lib/copy_user_64.S -@@ -15,6 +15,7 @@ - #include <asm/alternative-asm.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - /* check for bad alignment of destination */ -@@ -40,56 +41,6 @@ - _ASM_EXTABLE(101b,103b) - .endm - --/* Standard copy_to_user with segment limit checking */ --ENTRY(_copy_to_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rdi,%rcx -- addq %rdx,%rcx -- jc bad_to_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_to_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS -- CFI_ENDPROC --ENDPROC(_copy_to_user) -- --/* Standard copy_from_user with segment limit checking */ --ENTRY(_copy_from_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rsi,%rcx -- addq %rdx,%rcx -- jc bad_from_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_from_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS -- CFI_ENDPROC --ENDPROC(_copy_from_user) -- -- .section .fixup,"ax" -- /* must zero dest */ --ENTRY(bad_from_user) --bad_from_user: -- CFI_STARTPROC -- movl %edx,%ecx -- xorl %eax,%eax -- rep -- stosb --bad_to_user: -- movl %edx,%eax -- ret -- CFI_ENDPROC --ENDPROC(bad_from_user) -- .previous -- - /* - * copy_user_generic_unrolled - memory copy with exception handling. - * This version is for CPUs like P4 that don't have efficient micro -@@ -105,6 +56,7 @@ ENDPROC(bad_from_user) - */ - ENTRY(copy_user_generic_unrolled) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ -@@ -154,6 +106,8 @@ ENTRY(copy_user_generic_unrolled) - jnz 21b - 23: xor %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -209,6 +163,7 @@ ENDPROC(copy_user_generic_unrolled) - */ - ENTRY(copy_user_generic_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 2f /* less than 8 bytes, go to byte copy loop */ -@@ -223,6 +178,8 @@ ENTRY(copy_user_generic_string) - movsb - xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -250,12 +207,15 @@ ENDPROC(copy_user_generic_string) - */ - ENTRY(copy_user_enhanced_fast_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - movl %edx,%ecx - 1: rep - movsb - xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S -index 6a4f43c..c70fb52 100644 ---- a/arch/x86/lib/copy_user_nocache_64.S -+++ b/arch/x86/lib/copy_user_nocache_64.S -@@ -8,6 +8,7 @@ - - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - #define FIX_ALIGNMENT 1 - -@@ -16,6 +17,7 @@ - #include <asm/thread_info.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - #ifdef FIX_ALIGNMENT -@@ -49,6 +51,16 @@ - */ - ENTRY(__copy_user_nocache) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%rcx -+ cmp %rcx,%rsi -+ jae 1f -+ add %rcx,%rsi -+1: -+#endif -+ -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ -@@ -98,7 +110,9 @@ ENTRY(__copy_user_nocache) - jnz 21b - 23: xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND - sfence -+ pax_force_retaddr - ret - - .section .fixup,"ax" -diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S -index 9734182..dbee61c 100644 ---- a/arch/x86/lib/csum-copy_64.S -+++ b/arch/x86/lib/csum-copy_64.S -@@ -9,6 +9,7 @@ - #include <asm/dwarf2.h> - #include <asm/errno.h> - #include <asm/asm.h> -+#include <asm/alternative-asm.h> - - /* - * Checksum copy with exception handling. -@@ -56,8 +57,8 @@ ENTRY(csum_partial_copy_generic) - CFI_ADJUST_CFA_OFFSET 7*8 - movq %rbx, 2*8(%rsp) - CFI_REL_OFFSET rbx, 2*8 -- movq %r12, 3*8(%rsp) -- CFI_REL_OFFSET r12, 3*8 -+ movq %r15, 3*8(%rsp) -+ CFI_REL_OFFSET r15, 3*8 - movq %r14, 4*8(%rsp) - CFI_REL_OFFSET r14, 4*8 - movq %r13, 5*8(%rsp) -@@ -72,16 +73,16 @@ ENTRY(csum_partial_copy_generic) - movl %edx, %ecx - - xorl %r9d, %r9d -- movq %rcx, %r12 -+ movq %rcx, %r15 - -- shrq $6, %r12 -+ shrq $6, %r15 - jz .Lhandle_tail /* < 64 */ - - clc - - /* main loop. clear in 64 byte blocks */ - /* r9: zero, r8: temp2, rbx: temp1, rax: sum, rcx: saved length */ -- /* r11: temp3, rdx: temp4, r12 loopcnt */ -+ /* r11: temp3, rdx: temp4, r15 loopcnt */ - /* r10: temp5, rbp: temp6, r14 temp7, r13 temp8 */ - .p2align 4 - .Lloop: -@@ -115,7 +116,7 @@ ENTRY(csum_partial_copy_generic) - adcq %r14, %rax - adcq %r13, %rax - -- decl %r12d -+ decl %r15d - - dest - movq %rbx, (%rsi) -@@ -210,8 +211,8 @@ ENTRY(csum_partial_copy_generic) - .Lende: - movq 2*8(%rsp), %rbx - CFI_RESTORE rbx -- movq 3*8(%rsp), %r12 -- CFI_RESTORE r12 -+ movq 3*8(%rsp), %r15 -+ CFI_RESTORE r15 - movq 4*8(%rsp), %r14 - CFI_RESTORE r14 - movq 5*8(%rsp), %r13 -@@ -220,6 +221,7 @@ ENTRY(csum_partial_copy_generic) - CFI_RESTORE rbp - addq $7*8, %rsp - CFI_ADJUST_CFA_OFFSET -7*8 -+ pax_force_retaddr - ret - CFI_RESTORE_STATE - -diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c -index 1318f75..44c30fd 100644 ---- a/arch/x86/lib/csum-wrappers_64.c -+++ b/arch/x86/lib/csum-wrappers_64.c -@@ -52,10 +52,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, - len -= 2; - } - } -+ pax_open_userland(); - stac(); -- isum = csum_partial_copy_generic((__force const void *)src, -+ isum = csum_partial_copy_generic((const void __force_kernel *)____m(src), - dst, len, isum, errp, NULL); - clac(); -+ pax_close_userland(); - if (unlikely(*errp)) - goto out_err; - -@@ -109,10 +111,12 @@ csum_partial_copy_to_user(const void *src, void __user *dst, - } - - *errp = 0; -+ pax_open_userland(); - stac(); -- ret = csum_partial_copy_generic(src, (void __force *)dst, -+ ret = csum_partial_copy_generic(src, (void __force_kernel *)____m(dst), - len, isum, NULL, errp); - clac(); -+ pax_close_userland(); - return ret; - } - EXPORT_SYMBOL(csum_partial_copy_to_user); -diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S -index a451235..a74bfa3 100644 ---- a/arch/x86/lib/getuser.S -+++ b/arch/x86/lib/getuser.S -@@ -33,17 +33,40 @@ - #include <asm/thread_info.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/segment.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif - - .text - ENTRY(__get_user_1) - CFI_STARTPROC -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --1: movzbl (%_ASM_AX),%edx -+1: __copyuser_seg movzbl (%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_1) -@@ -51,14 +74,28 @@ ENDPROC(__get_user_1) - ENTRY(__get_user_2) - CFI_STARTPROC - add $1,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --2: movzwl -1(%_ASM_AX),%edx -+2: __copyuser_seg movzwl -1(%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_2) -@@ -66,14 +103,28 @@ ENDPROC(__get_user_2) - ENTRY(__get_user_4) - CFI_STARTPROC - add $3,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --3: movl -3(%_ASM_AX),%edx -+3: __copyuser_seg movl -3(%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_4) -@@ -86,10 +137,20 @@ ENTRY(__get_user_8) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ - ASM_STAC - 4: movq -7(%_ASM_AX),%rdx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - #else - add $7,%_ASM_AX -@@ -98,10 +159,11 @@ ENTRY(__get_user_8) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user_8 - ASM_STAC --4: movl -7(%_ASM_AX),%edx --5: movl -3(%_ASM_AX),%ecx -+4: __copyuser_seg movl -7(%_ASM_AX),%edx -+5: __copyuser_seg movl -3(%_ASM_AX),%ecx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - #endif - CFI_ENDPROC -@@ -113,6 +175,7 @@ bad_get_user: - xor %edx,%edx - mov $(-EFAULT),%_ASM_AX - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - END(bad_get_user) -@@ -124,6 +187,7 @@ bad_get_user_8: - xor %ecx,%ecx - mov $(-EFAULT),%_ASM_AX - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - END(bad_get_user_8) -diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c -index 8f72b33..a43d9969 100644 ---- a/arch/x86/lib/insn.c -+++ b/arch/x86/lib/insn.c -@@ -20,8 +20,10 @@ - - #ifdef __KERNEL__ - #include <linux/string.h> -+#include <asm/pgtable_types.h> - #else - #include <string.h> -+#define ktla_ktva(addr) addr - #endif - #include <asm/inat.h> - #include <asm/insn.h> -@@ -60,9 +62,9 @@ void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64) - buf_len = MAX_INSN_SIZE; - - memset(insn, 0, sizeof(*insn)); -- insn->kaddr = kaddr; -- insn->end_kaddr = kaddr + buf_len; -- insn->next_byte = kaddr; -+ insn->kaddr = ktla_ktva(kaddr); -+ insn->end_kaddr = insn->kaddr + buf_len; -+ insn->next_byte = insn->kaddr; - insn->x86_64 = x86_64 ? 1 : 0; - insn->opnd_bytes = 4; - if (x86_64) -diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S -index 05a95e7..326f2fa 100644 ---- a/arch/x86/lib/iomap_copy_64.S -+++ b/arch/x86/lib/iomap_copy_64.S -@@ -17,6 +17,7 @@ - - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - /* - * override generic version in lib/iomap_copy.c -@@ -25,6 +26,7 @@ ENTRY(__iowrite32_copy) - CFI_STARTPROC - movl %edx,%ecx - rep movsd -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__iowrite32_copy) -diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S -index b046664..dec9465 100644 ---- a/arch/x86/lib/memcpy_64.S -+++ b/arch/x86/lib/memcpy_64.S -@@ -37,6 +37,7 @@ ENTRY(memcpy) - rep movsq - movl %edx, %ecx - rep movsb -+ pax_force_retaddr - ret - ENDPROC(memcpy) - ENDPROC(__memcpy) -@@ -49,6 +50,7 @@ ENTRY(memcpy_erms) - movq %rdi, %rax - movq %rdx, %rcx - rep movsb -+ pax_force_retaddr - ret - ENDPROC(memcpy_erms) - -@@ -134,6 +136,7 @@ ENTRY(memcpy_orig) - movq %r9, 1*8(%rdi) - movq %r10, -2*8(%rdi, %rdx) - movq %r11, -1*8(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_16bytes: -@@ -146,6 +149,7 @@ ENTRY(memcpy_orig) - movq -1*8(%rsi, %rdx), %r9 - movq %r8, 0*8(%rdi) - movq %r9, -1*8(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_8bytes: -@@ -159,6 +163,7 @@ ENTRY(memcpy_orig) - movl -4(%rsi, %rdx), %r8d - movl %ecx, (%rdi) - movl %r8d, -4(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_3bytes: -@@ -177,6 +182,7 @@ ENTRY(memcpy_orig) - movb %cl, (%rdi) - - .Lend: -+ pax_force_retaddr - retq - CFI_ENDPROC - ENDPROC(memcpy_orig) -diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S -index 0f8a0d0..f6e0ea4 100644 ---- a/arch/x86/lib/memmove_64.S -+++ b/arch/x86/lib/memmove_64.S -@@ -43,7 +43,7 @@ ENTRY(__memmove) - jg 2f - - .Lmemmove_begin_forward: -- ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; retq", X86_FEATURE_ERMS -+ ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; pax_force_retaddr; retq", X86_FEATURE_ERMS - - /* - * movsq instruction have many startup latency -@@ -206,6 +206,7 @@ ENTRY(__memmove) - movb (%rsi), %r11b - movb %r11b, (%rdi) - 13: -+ pax_force_retaddr - retq - CFI_ENDPROC - ENDPROC(__memmove) -diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S -index 93118fb..386ed2a 100644 ---- a/arch/x86/lib/memset_64.S -+++ b/arch/x86/lib/memset_64.S -@@ -41,6 +41,7 @@ ENTRY(__memset) - movl %edx,%ecx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - ENDPROC(memset) - ENDPROC(__memset) -@@ -62,6 +63,7 @@ ENTRY(memset_erms) - movq %rdx,%rcx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - ENDPROC(memset_erms) - -@@ -126,6 +128,7 @@ ENTRY(memset_orig) - - .Lende: - movq %r10,%rax -+ pax_force_retaddr - ret - - CFI_RESTORE_STATE -diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c -index c9f2d9b..e7fd2c0 100644 ---- a/arch/x86/lib/mmx_32.c -+++ b/arch/x86/lib/mmx_32.c -@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - { - void *p; - int i; -+ unsigned long cr0; - - if (unlikely(in_interrupt())) - return __memcpy(to, from, len); -@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" /* This set is 28 bytes */ -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" /* This set is 28 bytes */ -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from)); -+ : "=&r" (cr0) : "r" (from) : "ax"); - - for ( ; i > 5; i--) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -158,6 +187,7 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - -@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from) - * but that is for later. -AV - */ - __asm__ __volatile__( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < (4096-320)/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movntq %%mm0, (%1)\n" -- " movq 8(%0), %%mm1\n" -- " movntq %%mm1, 8(%1)\n" -- " movq 16(%0), %%mm2\n" -- " movntq %%mm2, 16(%1)\n" -- " movq 24(%0), %%mm3\n" -- " movntq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm4\n" -- " movntq %%mm4, 32(%1)\n" -- " movq 40(%0), %%mm5\n" -- " movntq %%mm5, 40(%1)\n" -- " movq 48(%0), %%mm6\n" -- " movntq %%mm6, 48(%1)\n" -- " movq 56(%0), %%mm7\n" -- " movntq %%mm7, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movntq %%mm0, (%2)\n" -+ " movq 8(%1), %%mm1\n" -+ " movntq %%mm1, 8(%2)\n" -+ " movq 16(%1), %%mm2\n" -+ " movntq %%mm2, 16(%2)\n" -+ " movq 24(%1), %%mm3\n" -+ " movntq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm4\n" -+ " movntq %%mm4, 32(%2)\n" -+ " movq 40(%1), %%mm5\n" -+ " movntq %%mm5, 40(%2)\n" -+ " movq 48(%1), %%mm6\n" -+ " movntq %%mm6, 48(%2)\n" -+ " movq 56(%1), %%mm7\n" -+ " movntq %%mm7, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory"); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -280,47 +338,76 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < 4096/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S -index 3ca5218..c2ae6bc 100644 ---- a/arch/x86/lib/msr-reg.S -+++ b/arch/x86/lib/msr-reg.S -@@ -3,6 +3,7 @@ - #include <asm/dwarf2.h> - #include <asm/asm.h> - #include <asm/msr.h> -+#include <asm/alternative-asm.h> - - #ifdef CONFIG_X86_64 - /* -@@ -37,6 +38,7 @@ ENTRY(\op\()_safe_regs) - movl %edi, 28(%r10) - popq_cfi_reg rbp - popq_cfi_reg rbx -+ pax_force_retaddr - ret - 3: - CFI_RESTORE_STATE -diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S -index fc6ba17..14ad9a5 100644 ---- a/arch/x86/lib/putuser.S -+++ b/arch/x86/lib/putuser.S -@@ -16,7 +16,9 @@ - #include <asm/errno.h> - #include <asm/asm.h> - #include <asm/smap.h> -- -+#include <asm/segment.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> - - /* - * __put_user_X -@@ -30,57 +32,125 @@ - * as they get called from within inline assembly. - */ - --#define ENTER CFI_STARTPROC ; \ -- GET_THREAD_INFO(%_ASM_BX) --#define EXIT ASM_CLAC ; \ -- ret ; \ -+#define ENTER CFI_STARTPROC -+#define EXIT ASM_CLAC ; \ -+ pax_force_retaddr ; \ -+ ret ; \ - CFI_ENDPROC - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define _DEST %_ASM_CX,%_ASM_BX -+#else -+#define _DEST %_ASM_CX -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif -+ - .text - ENTRY(__put_user_1) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - cmp TI_addr_limit(%_ASM_BX),%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --1: movb %al,(%_ASM_CX) -+1: __copyuser_seg movb %al,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_1) - - ENTRY(__put_user_2) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $1,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --2: movw %ax,(%_ASM_CX) -+2: __copyuser_seg movw %ax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_2) - - ENTRY(__put_user_4) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $3,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --3: movl %eax,(%_ASM_CX) -+3: __copyuser_seg movl %eax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_4) - - ENTRY(__put_user_8) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --4: mov %_ASM_AX,(%_ASM_CX) -+4: __copyuser_seg mov %_ASM_AX,(_DEST) - #ifdef CONFIG_X86_32 --5: movl %edx,4(%_ASM_CX) -+5: __copyuser_seg movl %edx,4(_DEST) - #endif - xor %eax,%eax - EXIT -diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S -index 2322abe..1e78a75 100644 ---- a/arch/x86/lib/rwsem.S -+++ b/arch/x86/lib/rwsem.S -@@ -92,6 +92,7 @@ ENTRY(call_rwsem_down_read_failed) - call rwsem_down_read_failed - __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx) - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_down_read_failed) -@@ -102,6 +103,7 @@ ENTRY(call_rwsem_down_write_failed) - movq %rax,%rdi - call rwsem_down_write_failed - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_down_write_failed) -@@ -115,7 +117,8 @@ ENTRY(call_rwsem_wake) - movq %rax,%rdi - call rwsem_wake - restore_common_regs --1: ret -+1: pax_force_retaddr -+ ret - CFI_ENDPROC - ENDPROC(call_rwsem_wake) - -@@ -127,6 +130,7 @@ ENTRY(call_rwsem_downgrade_wake) - call rwsem_downgrade_wake - __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx) - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_downgrade_wake) -diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S -index f89ba4e9..512b2de 100644 ---- a/arch/x86/lib/thunk_64.S -+++ b/arch/x86/lib/thunk_64.S -@@ -9,6 +9,7 @@ - #include <asm/dwarf2.h> - #include <asm/calling.h> - #include <asm/asm.h> -+#include <asm/alternative-asm.h> - - /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func, put_ret_addr_in_rdi=0 -@@ -69,6 +70,7 @@ restore: - popq_cfi_reg rdx - popq_cfi_reg rsi - popq_cfi_reg rdi -+ pax_force_retaddr - ret - CFI_ENDPROC - _ASM_NOKPROBE(restore) -diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c -index ddf9ecb..e342586 100644 ---- a/arch/x86/lib/usercopy.c -+++ b/arch/x86/lib/usercopy.c -@@ -20,7 +20,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) - unsigned long ret; - - if (__range_not_ok(from, n, TASK_SIZE)) -- return 0; -+ return n; - - /* - * Even though this function is typically called from NMI/IRQ context -diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c -index e2f5e21..4b22130 100644 ---- a/arch/x86/lib/usercopy_32.c -+++ b/arch/x86/lib/usercopy_32.c -@@ -42,11 +42,13 @@ do { \ - int __d0; \ - might_fault(); \ - __asm__ __volatile__( \ -+ __COPYUSER_SET_ES \ - ASM_STAC "\n" \ - "0: rep; stosl\n" \ - " movl %2,%0\n" \ - "1: rep; stosb\n" \ - "2: " ASM_CLAC "\n" \ -+ __COPYUSER_RESTORE_ES \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%2,%0,4),%0\n" \ - " jmp 2b\n" \ -@@ -98,7 +100,7 @@ EXPORT_SYMBOL(__clear_user); - - #ifdef CONFIG_X86_INTEL_USERCOPY - static unsigned long --__copy_user_intel(void __user *to, const void *from, unsigned long size) -+__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size) - { - int d0, d1; - __asm__ __volatile__( -@@ -110,36 +112,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " .align 2,0x90\n" - "3: movl 0(%4), %%eax\n" - "4: movl 4(%4), %%edx\n" -- "5: movl %%eax, 0(%3)\n" -- "6: movl %%edx, 4(%3)\n" -+ "5: "__copyuser_seg" movl %%eax, 0(%3)\n" -+ "6: "__copyuser_seg" movl %%edx, 4(%3)\n" - "7: movl 8(%4), %%eax\n" - "8: movl 12(%4),%%edx\n" -- "9: movl %%eax, 8(%3)\n" -- "10: movl %%edx, 12(%3)\n" -+ "9: "__copyuser_seg" movl %%eax, 8(%3)\n" -+ "10: "__copyuser_seg" movl %%edx, 12(%3)\n" - "11: movl 16(%4), %%eax\n" - "12: movl 20(%4), %%edx\n" -- "13: movl %%eax, 16(%3)\n" -- "14: movl %%edx, 20(%3)\n" -+ "13: "__copyuser_seg" movl %%eax, 16(%3)\n" -+ "14: "__copyuser_seg" movl %%edx, 20(%3)\n" - "15: movl 24(%4), %%eax\n" - "16: movl 28(%4), %%edx\n" -- "17: movl %%eax, 24(%3)\n" -- "18: movl %%edx, 28(%3)\n" -+ "17: "__copyuser_seg" movl %%eax, 24(%3)\n" -+ "18: "__copyuser_seg" movl %%edx, 28(%3)\n" - "19: movl 32(%4), %%eax\n" - "20: movl 36(%4), %%edx\n" -- "21: movl %%eax, 32(%3)\n" -- "22: movl %%edx, 36(%3)\n" -+ "21: "__copyuser_seg" movl %%eax, 32(%3)\n" -+ "22: "__copyuser_seg" movl %%edx, 36(%3)\n" - "23: movl 40(%4), %%eax\n" - "24: movl 44(%4), %%edx\n" -- "25: movl %%eax, 40(%3)\n" -- "26: movl %%edx, 44(%3)\n" -+ "25: "__copyuser_seg" movl %%eax, 40(%3)\n" -+ "26: "__copyuser_seg" movl %%edx, 44(%3)\n" - "27: movl 48(%4), %%eax\n" - "28: movl 52(%4), %%edx\n" -- "29: movl %%eax, 48(%3)\n" -- "30: movl %%edx, 52(%3)\n" -+ "29: "__copyuser_seg" movl %%eax, 48(%3)\n" -+ "30: "__copyuser_seg" movl %%edx, 52(%3)\n" - "31: movl 56(%4), %%eax\n" - "32: movl 60(%4), %%edx\n" -- "33: movl %%eax, 56(%3)\n" -- "34: movl %%edx, 60(%3)\n" -+ "33: "__copyuser_seg" movl %%eax, 56(%3)\n" -+ "34: "__copyuser_seg" movl %%edx, 60(%3)\n" - " addl $-64, %0\n" - " addl $64, %4\n" - " addl $64, %3\n" -@@ -149,10 +151,116 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -+ __COPYUSER_SET_ES - "99: rep; movsl\n" - "36: movl %%eax, %0\n" - "37: rep; movsb\n" - "100:\n" -+ __COPYUSER_RESTORE_ES -+ ".section .fixup,\"ax\"\n" -+ "101: lea 0(%%eax,%0,4),%0\n" -+ " jmp 100b\n" -+ ".previous\n" -+ _ASM_EXTABLE(1b,100b) -+ _ASM_EXTABLE(2b,100b) -+ _ASM_EXTABLE(3b,100b) -+ _ASM_EXTABLE(4b,100b) -+ _ASM_EXTABLE(5b,100b) -+ _ASM_EXTABLE(6b,100b) -+ _ASM_EXTABLE(7b,100b) -+ _ASM_EXTABLE(8b,100b) -+ _ASM_EXTABLE(9b,100b) -+ _ASM_EXTABLE(10b,100b) -+ _ASM_EXTABLE(11b,100b) -+ _ASM_EXTABLE(12b,100b) -+ _ASM_EXTABLE(13b,100b) -+ _ASM_EXTABLE(14b,100b) -+ _ASM_EXTABLE(15b,100b) -+ _ASM_EXTABLE(16b,100b) -+ _ASM_EXTABLE(17b,100b) -+ _ASM_EXTABLE(18b,100b) -+ _ASM_EXTABLE(19b,100b) -+ _ASM_EXTABLE(20b,100b) -+ _ASM_EXTABLE(21b,100b) -+ _ASM_EXTABLE(22b,100b) -+ _ASM_EXTABLE(23b,100b) -+ _ASM_EXTABLE(24b,100b) -+ _ASM_EXTABLE(25b,100b) -+ _ASM_EXTABLE(26b,100b) -+ _ASM_EXTABLE(27b,100b) -+ _ASM_EXTABLE(28b,100b) -+ _ASM_EXTABLE(29b,100b) -+ _ASM_EXTABLE(30b,100b) -+ _ASM_EXTABLE(31b,100b) -+ _ASM_EXTABLE(32b,100b) -+ _ASM_EXTABLE(33b,100b) -+ _ASM_EXTABLE(34b,100b) -+ _ASM_EXTABLE(35b,100b) -+ _ASM_EXTABLE(36b,100b) -+ _ASM_EXTABLE(37b,100b) -+ _ASM_EXTABLE(99b,101b) -+ : "=&c"(size), "=&D" (d0), "=&S" (d1) -+ : "1"(to), "2"(from), "0"(size) -+ : "eax", "edx", "memory"); -+ return size; -+} -+ -+static unsigned long -+__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size) -+{ -+ int d0, d1; -+ __asm__ __volatile__( -+ " .align 2,0x90\n" -+ "1: "__copyuser_seg" movl 32(%4), %%eax\n" -+ " cmpl $67, %0\n" -+ " jbe 3f\n" -+ "2: "__copyuser_seg" movl 64(%4), %%eax\n" -+ " .align 2,0x90\n" -+ "3: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "4: "__copyuser_seg" movl 4(%4), %%edx\n" -+ "5: movl %%eax, 0(%3)\n" -+ "6: movl %%edx, 4(%3)\n" -+ "7: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "8: "__copyuser_seg" movl 12(%4),%%edx\n" -+ "9: movl %%eax, 8(%3)\n" -+ "10: movl %%edx, 12(%3)\n" -+ "11: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "12: "__copyuser_seg" movl 20(%4), %%edx\n" -+ "13: movl %%eax, 16(%3)\n" -+ "14: movl %%edx, 20(%3)\n" -+ "15: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "16: "__copyuser_seg" movl 28(%4), %%edx\n" -+ "17: movl %%eax, 24(%3)\n" -+ "18: movl %%edx, 28(%3)\n" -+ "19: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "20: "__copyuser_seg" movl 36(%4), %%edx\n" -+ "21: movl %%eax, 32(%3)\n" -+ "22: movl %%edx, 36(%3)\n" -+ "23: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "24: "__copyuser_seg" movl 44(%4), %%edx\n" -+ "25: movl %%eax, 40(%3)\n" -+ "26: movl %%edx, 44(%3)\n" -+ "27: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "28: "__copyuser_seg" movl 52(%4), %%edx\n" -+ "29: movl %%eax, 48(%3)\n" -+ "30: movl %%edx, 52(%3)\n" -+ "31: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "32: "__copyuser_seg" movl 60(%4), %%edx\n" -+ "33: movl %%eax, 56(%3)\n" -+ "34: movl %%edx, 60(%3)\n" -+ " addl $-64, %0\n" -+ " addl $64, %4\n" -+ " addl $64, %3\n" -+ " cmpl $63, %0\n" -+ " ja 1b\n" -+ "35: movl %0, %%eax\n" -+ " shrl $2, %0\n" -+ " andl $3, %%eax\n" -+ " cld\n" -+ "99: rep; "__copyuser_seg" movsl\n" -+ "36: movl %%eax, %0\n" -+ "37: rep; "__copyuser_seg" movsb\n" -+ "100:\n" - ".section .fixup,\"ax\"\n" - "101: lea 0(%%eax,%0,4),%0\n" - " jmp 100b\n" -@@ -207,41 +315,41 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - int d0, d1; - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movl %%eax, 0(%3)\n" - " movl %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movl %%eax, 8(%3)\n" - " movl %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movl %%eax, 16(%3)\n" - " movl %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movl %%eax, 24(%3)\n" - " movl %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movl %%eax, 32(%3)\n" - " movl %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movl %%eax, 40(%3)\n" - " movl %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movl %%eax, 48(%3)\n" - " movl %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movl %%eax, 56(%3)\n" - " movl %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -253,9 +361,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -305,41 +413,41 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -352,9 +460,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -399,41 +507,41 @@ static unsigned long __copy_user_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -446,9 +554,9 @@ static unsigned long __copy_user_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -488,32 +596,36 @@ static unsigned long __copy_user_intel_nocache(void *to, - */ - unsigned long __copy_user_zeroing_intel(void *to, const void __user *from, - unsigned long size); --unsigned long __copy_user_intel(void __user *to, const void *from, -+unsigned long __generic_copy_to_user_intel(void __user *to, const void *from, -+ unsigned long size); -+unsigned long __generic_copy_from_user_intel(void *to, const void __user *from, - unsigned long size); - unsigned long __copy_user_zeroing_intel_nocache(void *to, - const void __user *from, unsigned long size); - #endif /* CONFIG_X86_INTEL_USERCOPY */ - - /* Generic arbitrary sized copy. */ --#define __copy_user(to, from, size) \ -+#define __copy_user(to, from, size, prefix, set, restore) \ - do { \ - int __d0, __d1, __d2; \ - __asm__ __volatile__( \ -+ set \ - " cmp $7,%0\n" \ - " jbe 1f\n" \ - " movl %1,%0\n" \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "prefix"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "prefix"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "prefix"movsb\n" \ - "2:\n" \ -+ restore \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ - " jmp 2b\n" \ -@@ -538,14 +650,14 @@ do { \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "__copyuser_seg"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "__copyuser_seg"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "__copyuser_seg"movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ -@@ -572,9 +684,9 @@ unsigned long __copy_to_user_ll(void __user *to, const void *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES); - else -- n = __copy_user_intel(to, from, n); -+ n = __generic_copy_to_user_intel(to, from, n); - clac(); - return n; - } -@@ -598,10 +710,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - else -- n = __copy_user_intel((void __user *)to, -- (const void *)from, n); -+ n = __generic_copy_from_user_intel(to, from, n); - clac(); - return n; - } -@@ -632,58 +743,38 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr - if (n > 64 && cpu_has_xmm2) - n = __copy_user_intel_nocache(to, from, n); - else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #endif - clac(); - return n; - } - EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero); - --/** -- * copy_to_user: - Copy a block of data into user space. -- * @to: Destination address, in user space. -- * @from: Source address, in kernel space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from kernel space to user space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- */ --unsigned long _copy_to_user(void __user *to, const void *from, unsigned n) -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+void __set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_WRITE, to, n)) -- n = __copy_to_user(to, from, n); -- return n; -+ switch (x.seg) { -+ case 0: -+ loadsegment(gs, 0); -+ break; -+ case TASK_SIZE_MAX: -+ loadsegment(gs, __USER_DS); -+ break; -+ case -1UL: -+ loadsegment(gs, __KERNEL_DS); -+ break; -+ default: -+ BUG(); -+ } - } --EXPORT_SYMBOL(_copy_to_user); -+EXPORT_SYMBOL(__set_fs); - --/** -- * copy_from_user: - Copy a block of data from user space. -- * @to: Destination address, in kernel space. -- * @from: Source address, in user space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from user space to kernel space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- * -- * If some data could not be copied, this function will pad the copied -- * data to the requested size using zero bytes. -- */ --unsigned long _copy_from_user(void *to, const void __user *from, unsigned n) -+void set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_READ, from, n)) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; -+ current_thread_info()->addr_limit = x; -+ __set_fs(x); - } --EXPORT_SYMBOL(_copy_from_user); -+EXPORT_SYMBOL(set_fs); -+#endif -diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c -index 0a42327..7a82465 100644 ---- a/arch/x86/lib/usercopy_64.c -+++ b/arch/x86/lib/usercopy_64.c -@@ -18,6 +18,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - might_fault(); - /* no memory constraint because it doesn't change any memory gcc knows - about */ -+ pax_open_userland(); - stac(); - asm volatile( - " testq %[size8],%[size8]\n" -@@ -39,9 +40,10 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - _ASM_EXTABLE(0b,3b) - _ASM_EXTABLE(1b,2b) - : [size8] "=&c"(size), [dst] "=&D" (__d0) -- : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), -+ : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(____m(addr)), - [zero] "r" (0UL), [eight] "r" (8UL)); - clac(); -+ pax_close_userland(); - return size; - } - EXPORT_SYMBOL(__clear_user); -@@ -54,12 +56,11 @@ unsigned long clear_user(void __user *to, unsigned long n) - } - EXPORT_SYMBOL(clear_user); - --unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len) -+unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len) - { -- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { -- return copy_user_generic((__force void *)to, (__force void *)from, len); -- } -- return len; -+ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) -+ return copy_user_generic((void __force_kernel *)____m(to), (void __force_kernel *)____m(from), len); -+ return len; - } - EXPORT_SYMBOL(copy_in_user); - -@@ -69,8 +70,10 @@ EXPORT_SYMBOL(copy_in_user); - * it is not necessary to optimize tail handling. - */ - __visible unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len) -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len) - { -+ clac(); -+ pax_close_userland(); - for (; len; --len, to++) { - char c; - -@@ -79,10 +82,9 @@ copy_user_handle_tail(char *to, char *from, unsigned len) - if (__put_user_nocheck(c, to, sizeof(char))) - break; - } -- clac(); - - /* If the destination is a kernel buffer, we always clear the end */ -- if (!__addr_ok(to)) -+ if (!__addr_ok(to) && (unsigned long)to >= TASK_SIZE_MAX + pax_user_shadow_base) - memset(to, 0, len); - return len; - } -diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile -index a482d10..1a6edb5 100644 ---- a/arch/x86/mm/Makefile -+++ b/arch/x86/mm/Makefile -@@ -33,3 +33,7 @@ obj-$(CONFIG_ACPI_NUMA) += srat.o - obj-$(CONFIG_NUMA_EMU) += numa_emulation.o - - obj-$(CONFIG_X86_INTEL_MPX) += mpx.o -+ -+quote:=" -+obj-$(CONFIG_X86_64) += uderef_64.o -+CFLAGS_uderef_64.o := $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) -fcall-saved-rax -diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c -index 903ec1e..c4166b2 100644 ---- a/arch/x86/mm/extable.c -+++ b/arch/x86/mm/extable.c -@@ -6,12 +6,24 @@ - static inline unsigned long - ex_insn_addr(const struct exception_table_entry *x) - { -- return (unsigned long)&x->insn + x->insn; -+ unsigned long reloc = 0; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ -+ return (unsigned long)&x->insn + x->insn + reloc; - } - static inline unsigned long - ex_fixup_addr(const struct exception_table_entry *x) - { -- return (unsigned long)&x->fixup + x->fixup; -+ unsigned long reloc = 0; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ -+ return (unsigned long)&x->fixup + x->fixup + reloc; - } - - int fixup_exception(struct pt_regs *regs) -@@ -20,7 +32,7 @@ int fixup_exception(struct pt_regs *regs) - unsigned long new_ip; - - #ifdef CONFIG_PNPBIOS -- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) { -+ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) { - extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp; - extern u32 pnp_bios_is_utter_crap; - pnp_bios_is_utter_crap = 1; -@@ -145,6 +157,13 @@ void sort_extable(struct exception_table_entry *start, - i += 4; - p->fixup -= i; - i += 4; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ BUILD_BUG_ON(!IS_ENABLED(CONFIG_BUILDTIME_EXTABLE_SORT)); -+ p->insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ p->fixup -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - } - } - -diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c -index 181c53b..d336596 100644 ---- a/arch/x86/mm/fault.c -+++ b/arch/x86/mm/fault.c -@@ -13,12 +13,19 @@ - #include <linux/hugetlb.h> /* hstate_index_to_shift */ - #include <linux/prefetch.h> /* prefetchw */ - #include <linux/context_tracking.h> /* exception_enter(), ... */ -+#include <linux/unistd.h> -+#include <linux/compiler.h> - - #include <asm/traps.h> /* dotraplinkage, ... */ - #include <asm/pgalloc.h> /* pgd_*(), ... */ - #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */ - #include <asm/fixmap.h> /* VSYSCALL_ADDR */ - #include <asm/vsyscall.h> /* emulate_vsyscall */ -+#include <asm/tlbflush.h> -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/stacktrace.h> -+#endif - - #define CREATE_TRACE_POINTS - #include <asm/trace/exceptions.h> -@@ -120,7 +127,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr, - return !instr_lo || (instr_lo>>1) == 1; - case 0x00: - /* Prefetch instruction is 0x0F0D or 0x0F18 */ -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ return 0; -+ } else if (probe_kernel_address(instr, opcode)) - return 0; - - *prefetch = (instr_lo == 0xF) && -@@ -154,7 +164,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) - while (instr < max_instr) { - unsigned char opcode; - -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ break; -+ } else if (probe_kernel_address(instr, opcode)) - break; - - instr++; -@@ -185,6 +198,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address, - force_sig_info(si_signo, &info, tsk); - } - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault(struct pt_regs *regs); -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address) -+{ -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset(mm, address); -+ if (!pgd_present(*pgd)) -+ return NULL; -+ pud = pud_offset(pgd, address); -+ if (!pud_present(*pud)) -+ return NULL; -+ pmd = pmd_offset(pud, address); -+ if (!pmd_present(*pmd)) -+ return NULL; -+ return pmd; -+} -+#endif -+ - DEFINE_SPINLOCK(pgd_lock); - LIST_HEAD(pgd_list); - -@@ -235,10 +276,27 @@ void vmalloc_sync_all(void) - for (address = VMALLOC_START & PMD_MASK; - address >= TASK_SIZE && address < FIXADDR_TOP; - address += PMD_SIZE) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, user); -+ pmd_t *ret; -+ -+ ret = vmalloc_sync_one(pgd, address); -+ if (!ret) -+ break; -+ pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -+ pgd_t *pgd; - spinlock_t *pgt_lock; - pmd_t *ret; - -@@ -246,8 +304,14 @@ void vmalloc_sync_all(void) - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - - spin_lock(pgt_lock); -- ret = vmalloc_sync_one(page_address(page), address); -+ pgd = page_address(page); -+#endif -+ -+ ret = vmalloc_sync_one(pgd, address); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif - - if (!ret) - break; -@@ -281,6 +345,12 @@ static noinline int vmalloc_fault(unsigned long address) - * an interrupt in the middle of a task switch.. - */ - pgd_paddr = read_cr3(); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (pgd_paddr & __PHYSICAL_MASK)); -+ vmalloc_sync_one(__va(pgd_paddr + PAGE_SIZE), address); -+#endif -+ - pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); - if (!pmd_k) - return -1; -@@ -377,11 +447,25 @@ static noinline int vmalloc_fault(unsigned long address) - * happen within a race in page table update. In the later - * case just flush: - */ -- pgd = pgd_offset(current->active_mm, address); -+ - pgd_ref = pgd_offset_k(address); - if (pgd_none(*pgd_ref)) - return -1; - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (read_cr3() & __PHYSICAL_MASK)); -+ pgd = pgd_offset_cpu(smp_processor_id(), user, address); -+ if (pgd_none(*pgd)) { -+ set_pgd(pgd, *pgd_ref); -+ arch_flush_lazy_mmu_mode(); -+ } else { -+ BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); -+ } -+ pgd = pgd_offset_cpu(smp_processor_id(), kernel, address); -+#else -+ pgd = pgd_offset(current->active_mm, address); -+#endif -+ - if (pgd_none(*pgd)) { - set_pgd(pgd, *pgd_ref); - arch_flush_lazy_mmu_mode(); -@@ -548,7 +632,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address) - static int is_errata100(struct pt_regs *regs, unsigned long address) - { - #ifdef CONFIG_X86_64 -- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32)) - return 1; - #endif - return 0; -@@ -575,9 +659,9 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address) - } - - static const char nx_warning[] = KERN_CRIT --"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n"; -+"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n"; - static const char smep_warning[] = KERN_CRIT --"unable to execute userspace code (SMEP?) (uid: %d)\n"; -+"unable to execute userspace code (SMEP?) (uid: %d, task: %s, pid: %d)\n"; - - static void - show_fault_oops(struct pt_regs *regs, unsigned long error_code, -@@ -586,7 +670,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - if (!oops_may_print()) - return; - -- if (error_code & PF_INSTR) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) { - unsigned int level; - pgd_t *pgd; - pte_t *pte; -@@ -597,13 +681,25 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - pte = lookup_address_in_pgd(pgd, address, &level); - - if (pte && pte_present(*pte) && !pte_exec(*pte)) -- printk(nx_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(nx_warning, from_kuid_munged(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - if (pte && pte_present(*pte) && pte_exec(*pte) && - (pgd_flags(*pgd) & _PAGE_USER) && - (__read_cr4() & X86_CR4_SMEP)) -- printk(smep_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(smep_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (init_mm.start_code <= address && address < init_mm.end_code) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", -+ &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - printk(KERN_ALERT "BUG: unable to handle kernel "); - if (address < PAGE_SIZE) - printk(KERN_CONT "NULL pointer dereference"); -@@ -782,6 +878,22 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, - return; - } - #endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (pax_is_fetch_fault(regs, error_code, address)) { -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Kernel addresses are always protection faults: */ - if (address >= TASK_SIZE) - error_code |= PF_PROT; -@@ -864,7 +976,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, - if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) { - printk(KERN_ERR - "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n", -- tsk->comm, tsk->pid, address); -+ tsk->comm, task_pid_nr(tsk), address); - code = BUS_MCEERR_AR; - } - #endif -@@ -916,6 +1028,107 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte) - return 1; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+static inline unsigned long get_limit(unsigned long segment) -+{ -+ unsigned long __limit; -+ -+ asm("lsll %1,%0" : "=r" (__limit) : "r" (segment)); -+ return __limit + 1; -+} -+ -+static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code) -+{ -+ pte_t *pte; -+ pmd_t *pmd; -+ spinlock_t *ptl; -+ unsigned char pte_mask; -+ -+ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) || -+ !(mm->pax_flags & MF_PAX_PAGEEXEC)) -+ return 0; -+ -+ /* PaX: it's our fault, let's handle it if we can */ -+ -+ /* PaX: take a look at read faults before acquiring any locks */ -+ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) { -+ /* instruction fetch attempt from a protected page in user mode */ -+ up_read(&mm->mmap_sem); -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return 1; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ -+ pmd = pax_get_pmd(mm, address); -+ if (unlikely(!pmd)) -+ return 0; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) { -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) { -+ /* write attempt to a protected page in user mode */ -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+#ifdef CONFIG_SMP -+ if (likely(address > get_limit(regs->cs) && cpumask_test_cpu(smp_processor_id(), &mm->context.cpu_user_cs_mask))) -+#else -+ if (likely(address > get_limit(regs->cs))) -+#endif -+ { -+ set_pte(pte, pte_mkread(*pte)); -+ __flush_tlb_one(address); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+ } -+ -+ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1)); -+ -+ /* -+ * PaX: fill DTLB with user rights and retry -+ */ -+ __asm__ __volatile__ ( -+ "orb %2,(%1)\n" -+#if defined(CONFIG_M586) || defined(CONFIG_M586TSC) -+/* -+ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's -+ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any* -+ * page fault when examined during a TLB load attempt. this is true not only -+ * for PTEs holding a non-present entry but also present entries that will -+ * raise a page fault (such as those set up by PaX, or the copy-on-write -+ * mechanism). in effect it means that we do *not* need to flush the TLBs -+ * for our target pages since their PTEs are simply not in the TLBs at all. -+ -+ * the best thing in omitting it is that we gain around 15-20% speed in the -+ * fast path of the page fault handler and can get rid of tracing since we -+ * can no longer flush unintended entries. -+ */ -+ "invlpg (%0)\n" -+#endif -+ __copyuser_seg"testb $0,(%0)\n" -+ "xorb %3,(%1)\n" -+ : -+ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER) -+ : "memory", "cc"); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+} -+#endif -+ - /* - * Handle a spurious fault caused by a stale TLB entry. - * -@@ -1001,6 +1214,9 @@ int show_unhandled_signals = 1; - static inline int - access_error(unsigned long error_code, struct vm_area_struct *vma) - { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC)) -+ return 1; -+ - if (error_code & PF_WRITE) { - /* write, present and write, not present: */ - if (unlikely(!(vma->vm_flags & VM_WRITE))) -@@ -1063,6 +1279,22 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, - tsk = current; - mm = tsk->mm; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!user_mode(regs) && address < 2 * pax_user_shadow_base) { -+ if (!search_exception_tables(regs->ip)) { -+ printk(KERN_EMERG "PAX: please report this to pageexec(a)freemail.hu\n"); -+ bad_area_nosemaphore(regs, error_code, address); -+ return; -+ } -+ if (address < pax_user_shadow_base) { -+ printk(KERN_EMERG "PAX: please report this to pageexec(a)freemail.hu\n"); -+ printk(KERN_EMERG "PAX: faulting IP: %pS\n", (void *)regs->ip); -+ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_EMERG); -+ } else -+ address -= pax_user_shadow_base; -+ } -+#endif -+ - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. -@@ -1187,6 +1419,11 @@ retry: - might_sleep(); - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (pax_handle_pageexec_fault(regs, mm, address, error_code)) -+ return; -+#endif -+ - vma = find_vma(mm, address); - if (unlikely(!vma)) { - bad_area(regs, error_code, address); -@@ -1198,18 +1435,24 @@ retry: - bad_area(regs, error_code, address); - return; - } -- if (error_code & PF_USER) { -- /* -- * Accessing the stack below %sp is always a bug. -- * The large cushion allows instructions like enter -- * and pusha to work. ("enter $65535, $31" pushes -- * 32 pointers and then decrements %sp by 65535.) -- */ -- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) { -- bad_area(regs, error_code, address); -- return; -- } -+ /* -+ * Accessing the stack below %sp is always a bug. -+ * The large cushion allows instructions like enter -+ * and pusha to work. ("enter $65535, $31" pushes -+ * 32 pointers and then decrements %sp by 65535.) -+ */ -+ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) { -+ bad_area(regs, error_code, address); -+ return; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) { -+ bad_area(regs, error_code, address); -+ return; -+ } -+#endif -+ - if (unlikely(expand_stack(vma, address))) { - bad_area(regs, error_code, address); - return; -@@ -1329,3 +1572,292 @@ trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) - } - NOKPROBE_SYMBOL(trace_do_page_fault); - #endif /* CONFIG_TRACING */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address) -+{ -+ struct mm_struct *mm = current->mm; -+ unsigned long ip = regs->ip; -+ -+ if (v8086_mode(regs)) -+ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff); -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) -+ return true; -+ if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address) -+ return true; -+ return false; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address)) -+ return true; -+ return false; -+ } -+#endif -+ -+ return false; -+} -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault_32(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB8 && jmp == 0xE9) { -+ regs->ax = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned char mov1, mov2; -+ unsigned short jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 11) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov1, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) { -+ regs->cx = addr1; -+ regs->ax = addr2; -+ regs->ip = addr2; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB9 && jmp == 0xE9) { -+ regs->cx = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+ -+#ifdef CONFIG_X86_64 -+static int pax_handle_fetch_fault_64(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char stcclc, jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ if (stcclc == 0xF8) -+ regs->flags &= ~X86_EFLAGS_CF; -+ else -+ regs->flags |= X86_EFLAGS_CF; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned int addr1; -+ unsigned long addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->ip = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when gcc trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ if (v8086_mode(regs)) -+ return 1; -+ -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+ -+#ifdef CONFIG_X86_32 -+ return pax_handle_fetch_fault_32(regs); -+#else -+ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) -+ return pax_handle_fetch_fault_32(regs); -+ else -+ return pax_handle_fetch_fault_64(regs); -+#endif -+} -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char __force_user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long)); -+ for (i = -1; i < 80 / (long)sizeof(long); i++) { -+ unsigned long c; -+ if (get_user(c, (unsigned long __force_user *)sp+i)) { -+#ifdef CONFIG_X86_32 -+ printk(KERN_CONT "???????? "); -+#else -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) -+ printk(KERN_CONT "???????? ???????? "); -+ else -+ printk(KERN_CONT "???????????????? "); -+#endif -+ } else { -+#ifdef CONFIG_X86_64 -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) { -+ printk(KERN_CONT "%08x ", (unsigned int)c); -+ printk(KERN_CONT "%08x ", (unsigned int)(c >> 32)); -+ } else -+#endif -+ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c); -+ } -+ } -+ printk("\n"); -+} -+#endif -+ -+/** -+ * probe_kernel_write(): safely attempt to write to a location -+ * @dst: address to write to -+ * @src: pointer to the data that shall be written -+ * @size: size of the data chunk -+ * -+ * Safely write to address @dst from the buffer at @src. If a kernel fault -+ * happens, handle that and return -EFAULT. -+ */ -+long notrace probe_kernel_write(void *dst, const void *src, size_t size) -+{ -+ long ret; -+ mm_segment_t old_fs = get_fs(); -+ -+ set_fs(KERNEL_DS); -+ pagefault_disable(); -+ pax_open_kernel(); -+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size); -+ pax_close_kernel(); -+ pagefault_enable(); -+ set_fs(old_fs); -+ -+ return ret ? -EFAULT : 0; -+} -diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c -index 81bf3d2..7ef25c2 100644 ---- a/arch/x86/mm/gup.c -+++ b/arch/x86/mm/gup.c -@@ -268,7 +268,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, - addr = start; - len = (unsigned long) nr_pages << PAGE_SHIFT; - end = start + len; -- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) - return 0; - -@@ -344,6 +344,10 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, - goto slow_irqon; - #endif - -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, -+ (void __user *)start, len))) -+ return 0; -+ - /* - * XXX: batch / limit 'nr', to avoid large irq off latency - * needs some instrumenting to determine the common sizes used by -diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c -index 4500142..53a363c 100644 ---- a/arch/x86/mm/highmem_32.c -+++ b/arch/x86/mm/highmem_32.c -@@ -45,7 +45,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) - idx = type + KM_TYPE_NR*smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - BUG_ON(!pte_none(*(kmap_pte-idx))); -+ -+ pax_open_kernel(); - set_pte(kmap_pte-idx, mk_pte(page, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c -index 42982b2..7168fc3 100644 ---- a/arch/x86/mm/hugetlbpage.c -+++ b/arch/x86/mm/hugetlbpage.c -@@ -74,23 +74,24 @@ int pud_huge(pud_t pud) - #ifdef CONFIG_HUGETLB_PAGE - static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - unsigned long addr, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -- -+ - info.flags = 0; - info.length = len; - info.low_limit = current->mm->mmap_legacy_base; - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - - static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - unsigned long addr0, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -@@ -102,6 +103,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -114,6 +116,12 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += current->mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -@@ -128,10 +136,20 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (len & ~huge_page_mask(h)) - return -EINVAL; -- if (len > TASK_SIZE) -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) - return -ENOMEM; - - if (flags & MAP_FIXED) { -@@ -140,19 +158,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - #endif /* CONFIG_HUGETLB_PAGE */ - -diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c -index 1d55318..d58fd6a 100644 ---- a/arch/x86/mm/init.c -+++ b/arch/x86/mm/init.c -@@ -4,6 +4,7 @@ - #include <linux/swap.h> - #include <linux/memblock.h> - #include <linux/bootmem.h> /* for max_low_pfn */ -+#include <linux/tboot.h> - - #include <asm/cacheflush.h> - #include <asm/e820.h> -@@ -17,6 +18,8 @@ - #include <asm/proto.h> - #include <asm/dma.h> /* for MAX_DMA_PFN */ - #include <asm/microcode.h> -+#include <asm/desc.h> -+#include <asm/bios_ebda.h> - - /* - * We need to define the tracepoints somewhere, and tlb.c -@@ -615,7 +618,18 @@ void __init init_mem_mapping(void) - early_ioremap_page_table_range_init(); - #endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(0, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ load_cr3(get_cpu_pgd(0, kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif -+ - __flush_tlb_all(); - - early_memtest(0, max_pfn_mapped << PAGE_SHIFT); -@@ -631,10 +645,40 @@ void __init init_mem_mapping(void) - * Access has to be given to non-kernel-ram areas as well, these contain the PCI - * mmio resources as well as potential bios/acpi data regions. - */ -+ -+#ifdef CONFIG_GRKERNSEC_KMEM -+static unsigned int ebda_start __read_only; -+static unsigned int ebda_end __read_only; -+#endif -+ - int devmem_is_allowed(unsigned long pagenr) - { -- if (pagenr < 256) -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* allow BDA */ -+ if (!pagenr) - return 1; -+ /* allow EBDA */ -+ if (pagenr >= ebda_start && pagenr < ebda_end) -+ return 1; -+ /* if tboot is in use, allow access to its hardcoded serial log range */ -+ if (tboot_enabled() && ((0x60000 >> PAGE_SHIFT) <= pagenr) && (pagenr < (0x68000 >> PAGE_SHIFT))) -+ return 1; -+#else -+ if (!pagenr) -+ return 1; -+#ifdef CONFIG_VM86 -+ if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+#endif -+#endif -+ -+ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* throw out everything else below 1MB */ -+ if (pagenr <= 256) -+ return 0; -+#endif - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) - return 0; - if (!page_is_ram(pagenr)) -@@ -680,8 +724,117 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) - #endif - } - -+#ifdef CONFIG_GRKERNSEC_KMEM -+static inline void gr_init_ebda(void) -+{ -+ unsigned int ebda_addr; -+ unsigned int ebda_size = 0; -+ -+ ebda_addr = get_bios_ebda(); -+ if (ebda_addr) { -+ ebda_size = *(unsigned char *)phys_to_virt(ebda_addr); -+ ebda_size <<= 10; -+ } -+ if (ebda_addr && ebda_size) { -+ ebda_start = ebda_addr >> PAGE_SHIFT; -+ ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT; -+ } else { -+ ebda_start = 0x9f000 >> PAGE_SHIFT; -+ ebda_end = 0xa0000 >> PAGE_SHIFT; -+ } -+} -+#else -+static inline void gr_init_ebda(void) { } -+#endif -+ - void free_initmem(void) - { -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+ /* PaX: limit KERNEL_CS to actual size */ -+ unsigned long addr, limit; -+ struct desc_struct d; -+ int cpu; -+#else -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ unsigned long addr, end; -+#endif -+#endif -+ -+ gr_init_ebda(); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+ limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext; -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ -+ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE); -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEXEC_KERNEL_CS, &d, DESCTYPE_S); -+ } -+ -+ /* PaX: make KERNEL_CS read-only */ -+ addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text)); -+ if (!paravirt_enabled()) -+ set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT); -+/* -+ for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+*/ -+#ifdef CONFIG_X86_PAE -+ set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT); -+/* -+ for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+*/ -+#endif -+ -+#ifdef CONFIG_MODULES -+ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT); -+#endif -+ -+#else -+ /* PaX: make kernel code/rodata read-only, rest non-executable */ -+ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ else -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+ -+ addr = (unsigned long)__va(__pa(__START_KERNEL_map)); -+ end = addr + KERNEL_IMAGE_SIZE; -+ for (; addr < end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata))) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+#endif -+ -+ flush_tlb_all(); -+#endif -+ - free_init_pages("unused kernel", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); -diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c -index c8140e1..59257fc 100644 ---- a/arch/x86/mm/init_32.c -+++ b/arch/x86/mm/init_32.c -@@ -62,33 +62,6 @@ static noinline int do_test_wp_bit(void); - bool __read_mostly __vmalloc_start_set = false; - - /* -- * Creates a middle page table and puts a pointer to it in the -- * given global directory entry. This only returns the gd entry -- * in non-PAE compilation mode, since the middle layer is folded. -- */ --static pmd_t * __init one_md_table_init(pgd_t *pgd) --{ -- pud_t *pud; -- pmd_t *pmd_table; -- --#ifdef CONFIG_X86_PAE -- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) { -- pmd_table = (pmd_t *)alloc_low_page(); -- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT); -- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); -- pud = pud_offset(pgd, 0); -- BUG_ON(pmd_table != pmd_offset(pud, 0)); -- -- return pmd_table; -- } --#endif -- pud = pud_offset(pgd, 0); -- pmd_table = pmd_offset(pud, 0); -- -- return pmd_table; --} -- --/* - * Create a page table and place a pointer to it in a middle page - * directory entry: - */ -@@ -98,13 +71,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) - pte_t *page_table = (pte_t *)alloc_low_page(); - - paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT); -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE)); -+#else - set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); -+#endif - BUG_ON(page_table != pte_offset_kernel(pmd, 0)); - } - - return pte_offset_kernel(pmd, 0); - } - -+static pmd_t * __init one_md_table_init(pgd_t *pgd) -+{ -+ pud_t *pud; -+ pmd_t *pmd_table; -+ -+ pud = pud_offset(pgd, 0); -+ pmd_table = pmd_offset(pud, 0); -+ -+ return pmd_table; -+} -+ - pmd_t * __init populate_extra_pmd(unsigned long vaddr) - { - int pgd_idx = pgd_index(vaddr); -@@ -208,6 +196,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - int pgd_idx, pmd_idx; - unsigned long vaddr; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte = NULL; - unsigned long count = page_table_range_init_count(start, end); -@@ -222,8 +211,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - pgd = pgd_base + pgd_idx; - - for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -- pmd = pmd + pmd_index(vaddr); -+ pud = pud_offset(pgd, vaddr); -+ pmd = pmd_offset(pud, vaddr); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif -+ - for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); - pmd++, pmd_idx++) { - pte = page_table_kmap_check(one_page_table_init(pmd), -@@ -235,11 +229,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - } - } - --static inline int is_kernel_text(unsigned long addr) -+static inline int is_kernel_text(unsigned long start, unsigned long end) - { -- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) -- return 1; -- return 0; -+ if ((start >= ktla_ktva((unsigned long)_etext) || -+ end <= ktla_ktva((unsigned long)_stext)) && -+ (start >= ktla_ktva((unsigned long)_einittext) || -+ end <= ktla_ktva((unsigned long)_sinittext)) && -+ -+#ifdef CONFIG_ACPI_SLEEP -+ (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && -+#endif -+ -+ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) -+ return 0; -+ return 1; - } - - /* -@@ -256,9 +259,10 @@ kernel_physical_mapping_init(unsigned long start, - unsigned long last_map_addr = end; - unsigned long start_pfn, end_pfn; - pgd_t *pgd_base = swapper_pg_dir; -- int pgd_idx, pmd_idx, pte_ofs; -+ unsigned int pgd_idx, pmd_idx, pte_ofs; - unsigned long pfn; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte; - unsigned pages_2m, pages_4k; -@@ -291,8 +295,13 @@ repeat: - pfn = start_pfn; - pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pgd = pgd_base + pgd_idx; -- for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -+ for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) { -+ pud = pud_offset(pgd, 0); -+ pmd = pmd_offset(pud, 0); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif - - if (pfn >= end_pfn) - continue; -@@ -304,14 +313,13 @@ repeat: - #endif - for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn; - pmd++, pmd_idx++) { -- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET; -+ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET; - - /* - * Map with big pages if possible, otherwise - * create normal page tables: - */ - if (use_pse) { -- unsigned int addr2; - pgprot_t prot = PAGE_KERNEL_LARGE; - /* - * first pass will use the same initial -@@ -322,11 +330,7 @@ repeat: - _PAGE_PSE); - - pfn &= PMD_MASK >> PAGE_SHIFT; -- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE + -- PAGE_OFFSET + PAGE_SIZE-1; -- -- if (is_kernel_text(addr) || -- is_kernel_text(addr2)) -+ if (is_kernel_text(address, address + PMD_SIZE)) - prot = PAGE_KERNEL_LARGE_EXEC; - - pages_2m++; -@@ -343,7 +347,7 @@ repeat: - pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pte += pte_ofs; - for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn; -- pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) { -+ pte++, pfn++, pte_ofs++, address += PAGE_SIZE) { - pgprot_t prot = PAGE_KERNEL; - /* - * first pass will use the same initial -@@ -351,7 +355,7 @@ repeat: - */ - pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR); - -- if (is_kernel_text(addr)) -+ if (is_kernel_text(address, address + PAGE_SIZE)) - prot = PAGE_KERNEL_EXEC; - - pages_4k++; -@@ -474,7 +478,7 @@ void __init native_pagetable_init(void) - - pud = pud_offset(pgd, va); - pmd = pmd_offset(pud, va); -- if (!pmd_present(*pmd)) -+ if (!pmd_present(*pmd)) // PAX TODO || pmd_large(*pmd)) - break; - - /* should not be large page here */ -@@ -532,12 +536,10 @@ void __init early_ioremap_page_table_range_init(void) - - static void __init pagetable_init(void) - { -- pgd_t *pgd_base = swapper_pg_dir; -- -- permanent_kmaps_init(pgd_base); -+ permanent_kmaps_init(swapper_pg_dir); - } - --pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL); -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - /* user-defined highmem size */ -@@ -787,10 +789,10 @@ void __init mem_init(void) - ((unsigned long)&__init_end - - (unsigned long)&__init_begin) >> 10, - -- (unsigned long)&_etext, (unsigned long)&_edata, -- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10, -+ (unsigned long)&_sdata, (unsigned long)&_edata, -+ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10, - -- (unsigned long)&_text, (unsigned long)&_etext, -+ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext), - ((unsigned long)&_etext - (unsigned long)&_text) >> 10); - - /* -@@ -884,6 +886,7 @@ void set_kernel_text_rw(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read write\n", - start, start+size); - -@@ -898,6 +901,7 @@ void set_kernel_text_ro(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read only\n", - start, start+size); - -@@ -926,6 +930,7 @@ void mark_rodata_ro(void) - unsigned long start = PFN_ALIGN(_text); - unsigned long size = PFN_ALIGN(_etext) - start; - -+ start = ktla_ktva(start); - set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); - printk(KERN_INFO "Write protecting the kernel text: %luk\n", - size >> 10); -diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c -index 3fba623..5ee9802 100644 ---- a/arch/x86/mm/init_64.c -+++ b/arch/x86/mm/init_64.c -@@ -136,7 +136,7 @@ int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page, - * around without checking the pgd every time. - */ - --pteval_t __supported_pte_mask __read_mostly = ~0; -+pteval_t __supported_pte_mask __read_only = ~_PAGE_NX; - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - int force_personality32; -@@ -169,7 +169,12 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - - for (address = start; address <= end; address += PGDIR_SIZE) { - const pgd_t *pgd_ref = pgd_offset_k(address); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - /* - * When it is called after memory hot remove, pgd_none() -@@ -180,6 +185,25 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - continue; - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = pgd_offset_cpu(cpu, user, address); -+ -+ if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ BUG_ON(pgd_page_vaddr(*pgd) -+ != pgd_page_vaddr(*pgd_ref)); -+ -+ if (removed) { -+ if (pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ pgd_clear(pgd); -+ } else { -+ if (pgd_none(*pgd)) -+ set_pgd(pgd, *pgd_ref); -+ } -+ -+ pgd = pgd_offset_cpu(cpu, kernel, address); -+#else - list_for_each_entry(page, &pgd_list, lru) { - pgd_t *pgd; - spinlock_t *pgt_lock; -@@ -188,6 +212,7 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - spin_lock(pgt_lock); -+#endif - - if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) - BUG_ON(pgd_page_vaddr(*pgd) -@@ -201,7 +226,10 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - set_pgd(pgd, *pgd_ref); - } - -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif -+ - } - spin_unlock(&pgd_lock); - } -@@ -234,7 +262,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr) - { - if (pgd_none(*pgd)) { - pud_t *pud = (pud_t *)spp_getpage(); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - if (pud != pud_offset(pgd, 0)) - printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n", - pud, pud_offset(pgd, 0)); -@@ -246,7 +274,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr) - { - if (pud_none(*pud)) { - pmd_t *pmd = (pmd_t *) spp_getpage(); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - if (pmd != pmd_offset(pud, 0)) - printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n", - pmd, pmd_offset(pud, 0)); -@@ -275,7 +303,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte) - pmd = fill_pmd(pud, vaddr); - pte = fill_pte(pmd, vaddr); - -+ pax_open_kernel(); - set_pte(pte, new_pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -@@ -337,14 +367,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size, - pgd = pgd_offset_k((unsigned long)__va(phys)); - if (pgd_none(*pgd)) { - pud = (pud_t *) spp_getpage(); -- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE)); - } - pud = pud_offset(pgd, (unsigned long)__va(phys)); - if (pud_none(*pud)) { - pmd = (pmd_t *) spp_getpage(); -- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE)); - } - pmd = pmd_offset(pud, phys); - BUG_ON(!pmd_none(*pmd)); -@@ -585,7 +613,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, - prot); - - spin_lock(&init_mm.page_table_lock); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - spin_unlock(&init_mm.page_table_lock); - } - __flush_tlb_all(); -@@ -626,7 +654,7 @@ kernel_physical_mapping_init(unsigned long start, - page_size_mask); - - spin_lock(&init_mm.page_table_lock); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - spin_unlock(&init_mm.page_table_lock); - pgd_changed = true; - } -diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c -index 9ca35fc..4b2b7b7 100644 ---- a/arch/x86/mm/iomap_32.c -+++ b/arch/x86/mm/iomap_32.c -@@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot) - type = kmap_atomic_idx_push(); - idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); -+ -+ pax_open_kernel(); - set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c -index 70e7444..e9904fd 100644 ---- a/arch/x86/mm/ioremap.c -+++ b/arch/x86/mm/ioremap.c -@@ -56,12 +56,10 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, - unsigned long i; - - for (i = 0; i < nr_pages; ++i) -- if (pfn_valid(start_pfn + i) && -- !PageReserved(pfn_to_page(start_pfn + i))) -+ if (pfn_valid(start_pfn + i) && (start_pfn + i >= 0x100 || -+ !PageReserved(pfn_to_page(start_pfn + i)))) - return 1; - -- WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn); -- - return 0; - } - -@@ -91,7 +89,6 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, - pgprot_t prot; - int retval; - void __iomem *ret_addr; -- int ram_region; - - /* Don't allow wraparound or zero size */ - last_addr = phys_addr + size - 1; -@@ -114,23 +111,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, - /* - * Don't allow anybody to remap normal RAM that we're using.. - */ -- /* First check if whole region can be identified as RAM or not */ -- ram_region = region_is_ram(phys_addr, size); -- if (ram_region > 0) { -- WARN_ONCE(1, "ioremap on RAM at 0x%lx - 0x%lx\n", -- (unsigned long int)phys_addr, -- (unsigned long int)last_addr); -+ pfn = phys_addr >> PAGE_SHIFT; -+ last_pfn = last_addr >> PAGE_SHIFT; -+ if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, -+ __ioremap_check_ram) == 1) { -+ WARN_ONCE(1, "ioremap on RAM at 0x%llx - 0x%llx\n", -+ phys_addr, last_addr); - return NULL; - } - -- /* If could not be identified(-1), check page by page */ -- if (ram_region < 0) { -- pfn = phys_addr >> PAGE_SHIFT; -- last_pfn = last_addr >> PAGE_SHIFT; -- if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, -- __ioremap_check_ram) == 1) -- return NULL; -- } - /* - * Mappings have to be page-aligned - */ -@@ -288,7 +277,7 @@ EXPORT_SYMBOL(ioremap_prot); - * - * Caller must ensure there is only one unmapping for the same pointer. - */ --void iounmap(volatile void __iomem *addr) -+void iounmap(const volatile void __iomem *addr) - { - struct vm_struct *p, *o; - -@@ -351,32 +340,36 @@ int arch_ioremap_pmd_supported(void) - */ - void *xlate_dev_mem_ptr(phys_addr_t phys) - { -- unsigned long start = phys & PAGE_MASK; -- unsigned long offset = phys & ~PAGE_MASK; -- unsigned long vaddr; -+ phys_addr_t pfn = phys >> PAGE_SHIFT; - -- /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */ -- if (page_is_ram(start >> PAGE_SHIFT)) -- return __va(phys); -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ return kmap_high(pfn_to_page(pfn)); -+ else -+#endif -+ return __va(phys); -+ } - -- vaddr = (unsigned long)ioremap_cache(start, PAGE_SIZE); -- /* Only add the offset on success and return NULL if the ioremap() failed: */ -- if (vaddr) -- vaddr += offset; -- -- return (void *)vaddr; -+ return (void __force *)ioremap_cache(phys, 1); - } - - void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr) - { -- if (page_is_ram(phys >> PAGE_SHIFT)) -+ phys_addr_t pfn = phys >> PAGE_SHIFT; -+ -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ kunmap_high(pfn_to_page(pfn)); -+#endif - return; -+ } - -- iounmap((void __iomem *)((unsigned long)addr & PAGE_MASK)); -- return; -+ iounmap((void __iomem __force *)addr); - } - --static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss; -+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE); - - static inline pmd_t * __init early_ioremap_pmd(unsigned long addr) - { -@@ -412,8 +405,7 @@ void __init early_ioremap_init(void) - early_ioremap_setup(); - - pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)); -- memset(bm_pte, 0, sizeof(bm_pte)); -- pmd_populate_kernel(&init_mm, pmd, bm_pte); -+ pmd_populate_user(&init_mm, pmd, bm_pte); - - /* - * The boot-ioremap range spans multiple pmds, for which -diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c -index b4f2e7e..96c9c3e 100644 ---- a/arch/x86/mm/kmemcheck/kmemcheck.c -+++ b/arch/x86/mm/kmemcheck/kmemcheck.c -@@ -628,9 +628,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address, - * memory (e.g. tracked pages)? For now, we need this to avoid - * invoking kmemcheck for PnP BIOS calls. - */ -- if (regs->flags & X86_VM_MASK) -+ if (v8086_mode(regs)) - return false; -- if (regs->cs != __KERNEL_CS) -+ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS) - return false; - - pte = kmemcheck_pte_lookup(address); -diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c -index 844b06d..f363c86 100644 ---- a/arch/x86/mm/mmap.c -+++ b/arch/x86/mm/mmap.c -@@ -52,7 +52,7 @@ static unsigned long stack_maxrandom_size(void) - * Leave an at least ~128 MB hole with possible stack randomization. - */ - #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size()) --#define MAX_GAP (TASK_SIZE/6*5) -+#define MAX_GAP (pax_task_size/6*5) - - static int mmap_is_legacy(void) - { -@@ -81,27 +81,40 @@ unsigned long arch_mmap_rnd(void) - return rnd << PAGE_SHIFT; - } - --static unsigned long mmap_base(unsigned long rnd) -+static unsigned long mmap_base(struct mm_struct *mm, unsigned long rnd) - { - unsigned long gap = rlimit(RLIMIT_STACK); -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif - - if (gap < MIN_GAP) - gap = MIN_GAP; - else if (gap > MAX_GAP) - gap = MAX_GAP; - -- return PAGE_ALIGN(TASK_SIZE - gap - rnd); -+ return PAGE_ALIGN(pax_task_size - gap - rnd); - } - - /* - * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64 - * does, but not when emulating X86_32 - */ --static unsigned long mmap_legacy_base(unsigned long rnd) -+static unsigned long mmap_legacy_base(struct mm_struct *mm, unsigned long rnd) - { -- if (mmap_is_ia32()) -+ if (mmap_is_ia32()) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ return SEGMEXEC_TASK_UNMAPPED_BASE; -+ else -+#endif -+ - return TASK_UNMAPPED_BASE; -- else -+ } else - return TASK_UNMAPPED_BASE + rnd; - } - -@@ -113,18 +126,29 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -- mm->mmap_legacy_base = mmap_legacy_base(random_factor); -+ mm->mmap_legacy_base = mmap_legacy_base(mm, random_factor); - - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; - } else { -- mm->mmap_base = mmap_base(random_factor); -+ mm->mmap_base = mmap_base(mm, random_factor); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - } - - const char *arch_vma_name(struct vm_area_struct *vma) -diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c -index 0057a7a..95c7edd 100644 ---- a/arch/x86/mm/mmio-mod.c -+++ b/arch/x86/mm/mmio-mod.c -@@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs, - break; - default: - { -- unsigned char *ip = (unsigned char *)instptr; -+ unsigned char *ip = (unsigned char *)ktla_ktva(instptr); - my_trace->opcode = MMIO_UNKNOWN_OP; - my_trace->width = 0; - my_trace->value = (*ip) << 16 | *(ip + 1) << 8 | -@@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition, - static void ioremap_trace_core(resource_size_t offset, unsigned long size, - void __iomem *addr) - { -- static atomic_t next_id; -+ static atomic_unchecked_t next_id; - struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL); - /* These are page-unaligned. */ - struct mmiotrace_map map = { -@@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size, - .private = trace - }, - .phys = offset, -- .id = atomic_inc_return(&next_id) -+ .id = atomic_inc_return_unchecked(&next_id) - }; - map.map_id = trace->id; - -@@ -290,7 +290,7 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size, - ioremap_trace_core(offset, size, addr); - } - --static void iounmap_trace_core(volatile void __iomem *addr) -+static void iounmap_trace_core(const volatile void __iomem *addr) - { - struct mmiotrace_map map = { - .phys = 0, -@@ -328,7 +328,7 @@ not_enabled: - } - } - --void mmiotrace_iounmap(volatile void __iomem *addr) -+void mmiotrace_iounmap(const volatile void __iomem *addr) - { - might_sleep(); - if (is_enabled()) /* recheck and proper locking in *_core() */ -diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c -index 4053bb5..b1ad3dc 100644 ---- a/arch/x86/mm/numa.c -+++ b/arch/x86/mm/numa.c -@@ -506,7 +506,7 @@ static void __init numa_clear_kernel_node_hotplug(void) - } - } - --static int __init numa_register_memblks(struct numa_meminfo *mi) -+static int __init __intentional_overflow(-1) numa_register_memblks(struct numa_meminfo *mi) - { - unsigned long uninitialized_var(pfn_align); - int i, nid; -diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c -index 89af288..05381957 100644 ---- a/arch/x86/mm/pageattr.c -+++ b/arch/x86/mm/pageattr.c -@@ -260,7 +260,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - */ - #ifdef CONFIG_PCI_BIOS - if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - #endif - - /* -@@ -268,9 +268,10 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - * Does not cover __inittext since that is gone later on. On - * 64bit we do not enforce !NX on the low mapping - */ -- if (within(address, (unsigned long)_text, (unsigned long)_etext)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext))) -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - -+#ifdef CONFIG_DEBUG_RODATA - /* - * The .rodata section needs to be read-only. Using the pfn - * catches all aliases. -@@ -278,6 +279,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - if (within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT, - __pa_symbol(__end_rodata) >> PAGE_SHIFT)) - pgprot_val(forbidden) |= _PAGE_RW; -+#endif - - #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) - /* -@@ -316,6 +318,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - } - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (within(pfn, __pa(ktla_ktva((unsigned long)&_text)), __pa((unsigned long)&_sdata))) { -+ pgprot_val(forbidden) |= _PAGE_RW; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; -+ } -+#endif -+ - prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); - - return prot; -@@ -438,23 +447,37 @@ EXPORT_SYMBOL_GPL(slow_virt_to_phys); - static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) - { - /* change init_mm */ -+ pax_open_kernel(); - set_pte_atomic(kpte, pte); -+ - #ifdef CONFIG_X86_32 - if (!SHARED_KERNEL_PMD) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -- pgd_t *pgd; -+ pgd_t *pgd = (pgd_t *)page_address(page); -+#endif -+ - pud_t *pud; - pmd_t *pmd; - -- pgd = (pgd_t *)page_address(page) + pgd_index(address); -+ pgd += pgd_index(address); - pud = pud_offset(pgd, address); - pmd = pmd_offset(pud, address); - set_pte_atomic((pte_t *)pmd, pte); - } - } - #endif -+ pax_close_kernel(); - } - - static int -diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c -index 35af677..e7bf11f 100644 ---- a/arch/x86/mm/pat.c -+++ b/arch/x86/mm/pat.c -@@ -89,7 +89,7 @@ static inline enum page_cache_mode get_page_memtype(struct page *pg) - unsigned long pg_flags = pg->flags & _PGMT_MASK; - - if (pg_flags == _PGMT_DEFAULT) -- return -1; -+ return _PAGE_CACHE_MODE_NUM; - else if (pg_flags == _PGMT_WC) - return _PAGE_CACHE_MODE_WC; - else if (pg_flags == _PGMT_UC_MINUS) -@@ -346,7 +346,7 @@ static int reserve_ram_pages_type(u64 start, u64 end, - - page = pfn_to_page(pfn); - type = get_page_memtype(page); -- if (type != -1) { -+ if (type != _PAGE_CACHE_MODE_NUM) { - pr_info("reserve_ram_pages_type failed [mem %#010Lx-%#010Lx], track 0x%x, req 0x%x\n", - start, end - 1, type, req_type); - if (new_type) -@@ -498,7 +498,7 @@ int free_memtype(u64 start, u64 end) - - if (!entry) { - printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, start, end - 1); -+ current->comm, task_pid_nr(current), start, end - 1); - return -EINVAL; - } - -@@ -532,10 +532,10 @@ static enum page_cache_mode lookup_memtype(u64 paddr) - page = pfn_to_page(paddr >> PAGE_SHIFT); - rettype = get_page_memtype(page); - /* -- * -1 from get_page_memtype() implies RAM page is in its -+ * _PAGE_CACHE_MODE_NUM from get_page_memtype() implies RAM page is in its - * default state and not reserved, and hence of type WB - */ -- if (rettype == -1) -+ if (rettype == _PAGE_CACHE_MODE_NUM) - rettype = _PAGE_CACHE_MODE_WB; - - return rettype; -@@ -628,8 +628,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { -- printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx], PAT prevents it\n", -- current->comm, from, to - 1); -+ printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx), PAT prevents it\n", -+ current->comm, from, to - 1, cursor); - return 0; - } - cursor += PAGE_SIZE; -@@ -700,7 +700,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, - if (ioremap_change_attr((unsigned long)__va(base), id_sz, pcm) < 0) { - printk(KERN_INFO "%s:%d ioremap_change_attr failed %s " - "for [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(pcm), - base, (unsigned long long)(base + size-1)); - return -EINVAL; -@@ -735,7 +735,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - pcm = lookup_memtype(paddr); - if (want_pcm != pcm) { - printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -@@ -757,7 +757,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - free_memtype(paddr, paddr + size); - printk(KERN_ERR "%s:%d map pfn expected mapping type %s" - " for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c -index 6582adc..fcc5d0b 100644 ---- a/arch/x86/mm/pat_rbtree.c -+++ b/arch/x86/mm/pat_rbtree.c -@@ -161,7 +161,7 @@ success: - - failure: - printk(KERN_INFO "%s:%d conflicting memory types " -- "%Lx-%Lx %s<->%s\n", current->comm, current->pid, start, -+ "%Lx-%Lx %s<->%s\n", current->comm, task_pid_nr(current), start, - end, cattr_name(found_type), cattr_name(match->type)); - return -EBUSY; - } -diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c -index 9f0614d..92ae64a 100644 ---- a/arch/x86/mm/pf_in.c -+++ b/arch/x86/mm/pf_in.c -@@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned long ins_addr) - int i; - enum reason_type rv = OTHERS; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -415,7 +415,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(reg_rop); i++) -@@ -470,7 +470,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(imm_wop); i++) -diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c -index 0b97d2c..597bb38 100644 ---- a/arch/x86/mm/pgtable.c -+++ b/arch/x86/mm/pgtable.c -@@ -98,10 +98,75 @@ static inline void pgd_list_del(pgd_t *pgd) - list_del(&page->lru); - } - --#define UNSHARED_PTRS_PER_PGD \ -- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT; - -+void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; - -+ if (!pax_user_shadow_base) -+ return; -+ -+ while (count--) -+ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER); -+} -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+void __clone_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; -+ -+ while (count--) { -+ pgd_t pgd; -+ -+#ifdef CONFIG_X86_64 -+ pgd = __pgd(pgd_val(*src++) | _PAGE_USER); -+#else -+ pgd = *src++; -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ pgd = __pgd(pgd_val(pgd) & clone_pgd_mask); -+#endif -+ -+ *dst++ = pgd; -+ } -+ -+} -+#endif -+ -+#ifdef CONFIG_X86_64 -+#define pxd_t pud_t -+#define pyd_t pgd_t -+#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn) -+#define pgtable_pxd_page_ctor(page) true -+#define pgtable_pxd_page_dtor(page) do {} while (0) -+#define pxd_free(mm, pud) pud_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pgd_offset((mm), (address)) -+#define PYD_SIZE PGDIR_SIZE -+#define mm_inc_nr_pxds(mm) do {} while (0) -+#define mm_dec_nr_pxds(mm) do {} while (0) -+#else -+#define pxd_t pmd_t -+#define pyd_t pud_t -+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn) -+#define pgtable_pxd_page_ctor(page) pgtable_pmd_page_ctor(page) -+#define pgtable_pxd_page_dtor(page) pgtable_pmd_page_dtor(page) -+#define pxd_free(mm, pud) pmd_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pud_offset((mm), (address)) -+#define PYD_SIZE PUD_SIZE -+#define mm_inc_nr_pxds(mm) mm_inc_nr_pmds(mm) -+#define mm_dec_nr_pxds(mm) mm_dec_nr_pmds(mm) -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {} -+static inline void pgd_dtor(pgd_t *pgd) {} -+#else - static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) - { - BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm)); -@@ -142,6 +207,7 @@ static void pgd_dtor(pgd_t *pgd) - pgd_list_del(pgd); - spin_unlock(&pgd_lock); - } -+#endif - - /* - * List of all pgd's needed for non-PAE so it can invalidate entries -@@ -154,7 +220,7 @@ static void pgd_dtor(pgd_t *pgd) - * -- nyc - */ - --#ifdef CONFIG_X86_PAE -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) - /* - * In PAE mode, we need to do a cr3 reload (=tlb flush) when - * updating the top-level pagetable entries to guarantee the -@@ -166,7 +232,7 @@ static void pgd_dtor(pgd_t *pgd) - * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate - * and initialize the kernel pmds here. - */ --#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD -+#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) - - void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - { -@@ -184,46 +250,48 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - */ - flush_tlb_mm(mm); - } -+#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD) -+#define PREALLOCATED_PXDS USER_PGD_PTRS - #else /* !CONFIG_X86_PAE */ - - /* No need to prepopulate any pagetable entries in non-PAE modes. */ --#define PREALLOCATED_PMDS 0 -+#define PREALLOCATED_PXDS 0 - - #endif /* CONFIG_X86_PAE */ - --static void free_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static void free_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) -- if (pmds[i]) { -- pgtable_pmd_page_dtor(virt_to_page(pmds[i])); -- free_page((unsigned long)pmds[i]); -- mm_dec_nr_pmds(mm); -+ for(i = 0; i < PREALLOCATED_PXDS; i++) -+ if (pxds[i]) { -+ pgtable_pxd_page_dtor(virt_to_page(pxds[i])); -+ free_page((unsigned long)pxds[i]); -+ mm_dec_nr_pxds(mm); - } - } - --static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static int preallocate_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - bool failed = false; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -- pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP); -- if (!pmd) -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { -+ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP); -+ if (!pxd) - failed = true; -- if (pmd && !pgtable_pmd_page_ctor(virt_to_page(pmd))) { -- free_page((unsigned long)pmd); -- pmd = NULL; -+ if (pxd && !pgtable_pxd_page_ctor(virt_to_page(pxd))) { -+ free_page((unsigned long)pxd); -+ pxd = NULL; - failed = true; - } -- if (pmd) -- mm_inc_nr_pmds(mm); -- pmds[i] = pmd; -+ if (pxd) -+ mm_inc_nr_pxds(mm); -+ pxds[i] = pxd; - } - - if (failed) { -- free_pmds(mm, pmds); -+ free_pxds(mm, pxds); - return -ENOMEM; - } - -@@ -236,43 +304,47 @@ static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) - * preallocate which never got a corresponding vma will need to be - * freed manually. - */ --static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) -+static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { - pgd_t pgd = pgdp[i]; - - if (pgd_val(pgd) != 0) { -- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd); -+ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd); - -- pgdp[i] = native_make_pgd(0); -+ set_pgd(pgdp + i, native_make_pgd(0)); - -- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT); -- pmd_free(mm, pmd); -- mm_dec_nr_pmds(mm); -+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT); -+ pxd_free(mm, pxd); -+ mm_dec_nr_pxds(mm); - } - } - } - --static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[]) -+static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[]) - { -- pud_t *pud; -+ pyd_t *pyd; - int i; - -- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */ -+ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */ - return; - -- pud = pud_offset(pgd, 0); -+#ifdef CONFIG_X86_64 -+ pyd = pyd_offset(mm, 0L); -+#else -+ pyd = pyd_offset(pgd, 0L); -+#endif - -- for (i = 0; i < PREALLOCATED_PMDS; i++, pud++) { -- pmd_t *pmd = pmds[i]; -+ for (i = 0; i < PREALLOCATED_PXDS; i++, pyd++) { -+ pxd_t *pxd = pxds[i]; - - if (i >= KERNEL_PGD_BOUNDARY) -- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -- sizeof(pmd_t) * PTRS_PER_PMD); -+ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -+ sizeof(pxd_t) * PTRS_PER_PMD); - -- pud_populate(mm, pud, pmd); -+ pyd_populate(mm, pyd, pxd); - } - } - -@@ -354,7 +426,7 @@ static inline void _pgd_free(pgd_t *pgd) - pgd_t *pgd_alloc(struct mm_struct *mm) - { - pgd_t *pgd; -- pmd_t *pmds[PREALLOCATED_PMDS]; -+ pxd_t *pxds[PREALLOCATED_PXDS]; - - pgd = _pgd_alloc(); - -@@ -363,11 +435,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - mm->pgd = pgd; - -- if (preallocate_pmds(mm, pmds) != 0) -+ if (preallocate_pxds(mm, pxds) != 0) - goto out_free_pgd; - - if (paravirt_pgd_alloc(mm) != 0) -- goto out_free_pmds; -+ goto out_free_pxds; - - /* - * Make sure that pre-populating the pmds is atomic with -@@ -377,14 +449,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - spin_lock(&pgd_lock); - - pgd_ctor(mm, pgd); -- pgd_prepopulate_pmd(mm, pgd, pmds); -+ pgd_prepopulate_pxd(mm, pgd, pxds); - - spin_unlock(&pgd_lock); - - return pgd; - --out_free_pmds: -- free_pmds(mm, pmds); -+out_free_pxds: -+ free_pxds(mm, pxds); - out_free_pgd: - _pgd_free(pgd); - out: -@@ -393,7 +465,7 @@ out: - - void pgd_free(struct mm_struct *mm, pgd_t *pgd) - { -- pgd_mop_up_pmds(mm, pgd); -+ pgd_mop_up_pxds(mm, pgd); - pgd_dtor(pgd); - paravirt_pgd_free(mm, pgd); - _pgd_free(pgd); -diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c -index 75cc097..79a097f 100644 ---- a/arch/x86/mm/pgtable_32.c -+++ b/arch/x86/mm/pgtable_32.c -@@ -47,10 +47,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval) - return; - } - pte = pte_offset_kernel(pmd, vaddr); -+ -+ pax_open_kernel(); - if (pte_val(pteval)) - set_pte_at(&init_mm, vaddr, pte, pteval); - else - pte_clear(&init_mm, vaddr, pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -diff --git a/arch/x86/mm/physaddr.c b/arch/x86/mm/physaddr.c -index e666cbb..61788c45 100644 ---- a/arch/x86/mm/physaddr.c -+++ b/arch/x86/mm/physaddr.c -@@ -10,7 +10,7 @@ - #ifdef CONFIG_X86_64 - - #ifdef CONFIG_DEBUG_VIRTUAL --unsigned long __phys_addr(unsigned long x) -+unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) - { - unsigned long y = x - __START_KERNEL_map; - -@@ -67,7 +67,7 @@ EXPORT_SYMBOL(__virt_addr_valid); - #else - - #ifdef CONFIG_DEBUG_VIRTUAL --unsigned long __phys_addr(unsigned long x) -+unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) - { - unsigned long phys_addr = x - PAGE_OFFSET; - /* VMALLOC_* aren't constants */ -diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c -index 90555bf..f5f1828 100644 ---- a/arch/x86/mm/setup_nx.c -+++ b/arch/x86/mm/setup_nx.c -@@ -5,8 +5,10 @@ - #include <asm/pgtable.h> - #include <asm/proto.h> - -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - static int disable_nx; - -+#ifndef CONFIG_PAX_PAGEEXEC - /* - * noexec = on|off - * -@@ -28,12 +30,17 @@ static int __init noexec_setup(char *str) - return 0; - } - early_param("noexec", noexec_setup); -+#endif -+ -+#endif - - void x86_configure_nx(void) - { -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - if (cpu_has_nx && !disable_nx) - __supported_pte_mask |= _PAGE_NX; - else -+#endif - __supported_pte_mask &= ~_PAGE_NX; - } - -diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c -index 90b924a..4197ac2 100644 ---- a/arch/x86/mm/tlb.c -+++ b/arch/x86/mm/tlb.c -@@ -45,7 +45,11 @@ void leave_mm(int cpu) - BUG(); - if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) { - cpumask_clear_cpu(cpu, mm_cpumask(active_mm)); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(swapper_pg_dir); -+#endif -+ - /* - * This gets called in the idle path where RCU - * functions differently. Tracing normally -diff --git a/arch/x86/mm/uderef_64.c b/arch/x86/mm/uderef_64.c -new file mode 100644 -index 0000000..3fda3f3 ---- /dev/null -+++ b/arch/x86/mm/uderef_64.c -@@ -0,0 +1,37 @@ -+#include <linux/mm.h> -+#include <asm/pgtable.h> -+#include <asm/uaccess.h> -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+/* PaX: due to the special call convention these functions must -+ * - remain leaf functions under all configurations, -+ * - never be called directly, only dereferenced from the wrappers. -+ */ -+void __used __pax_open_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_KERNEL); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_open_userland); -+ -+void __used __pax_close_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_USER); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_close_userland); -+#endif -diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S -index 6440221..f84b5c7 100644 ---- a/arch/x86/net/bpf_jit.S -+++ b/arch/x86/net/bpf_jit.S -@@ -9,6 +9,7 @@ - */ - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - /* - * Calling convention : -@@ -38,6 +39,7 @@ sk_load_word_positive_offset: - jle bpf_slow_path_word - mov (SKBDATA,%rsi),%eax - bswap %eax /* ntohl() */ -+ pax_force_retaddr - ret - - sk_load_half: -@@ -55,6 +57,7 @@ sk_load_half_positive_offset: - jle bpf_slow_path_half - movzwl (SKBDATA,%rsi),%eax - rol $8,%ax # ntohs() -+ pax_force_retaddr - ret - - sk_load_byte: -@@ -69,6 +72,7 @@ sk_load_byte_positive_offset: - cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */ - jle bpf_slow_path_byte - movzbl (SKBDATA,%rsi),%eax -+ pax_force_retaddr - ret - - /* rsi contains offset and can be scratched */ -@@ -90,6 +94,7 @@ bpf_slow_path_word: - js bpf_error - mov - MAX_BPF_STACK + 32(%rbp),%eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half: -@@ -98,12 +103,14 @@ bpf_slow_path_half: - mov - MAX_BPF_STACK + 32(%rbp),%ax - rol $8,%ax - movzwl %ax,%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte: - bpf_slow_path_common(1) - js bpf_error - movzbl - MAX_BPF_STACK + 32(%rbp),%eax -+ pax_force_retaddr - ret - - #define sk_negative_common(SIZE) \ -@@ -126,6 +133,7 @@ sk_load_word_negative_offset: - sk_negative_common(4) - mov (%rax), %eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half_neg: -@@ -137,6 +145,7 @@ sk_load_half_negative_offset: - mov (%rax),%ax - rol $8,%ax - movzwl %ax,%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte_neg: -@@ -146,6 +155,7 @@ sk_load_byte_negative_offset: - .globl sk_load_byte_negative_offset - sk_negative_common(1) - movzbl (%rax), %eax -+ pax_force_retaddr - ret - - bpf_error: -@@ -156,4 +166,5 @@ bpf_error: - mov - MAX_BPF_STACK + 16(%rbp),%r14 - mov - MAX_BPF_STACK + 24(%rbp),%r15 - leaveq -+ pax_force_retaddr - ret -diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c -index ddeff48..877ead6 100644 ---- a/arch/x86/net/bpf_jit_comp.c -+++ b/arch/x86/net/bpf_jit_comp.c -@@ -13,7 +13,11 @@ - #include <linux/if_vlan.h> - #include <asm/cacheflush.h> - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - - /* - * assembly code in arch/x86/net/bpf_jit.S -@@ -174,7 +178,9 @@ static u8 add_2reg(u8 byte, u32 dst_reg, u32 src_reg) - static void jit_fill_hole(void *area, unsigned int size) - { - /* fill whole space with int3 instructions */ -+ pax_open_kernel(); - memset(area, 0xcc, size); -+ pax_close_kernel(); - } - - struct jit_context { -@@ -924,7 +930,9 @@ common_load: - pr_err("bpf_jit_compile fatal error\n"); - return -EFAULT; - } -+ pax_open_kernel(); - memcpy(image + proglen, temp, ilen); -+ pax_close_kernel(); - } - proglen += ilen; - addrs[i] = proglen; -@@ -1001,7 +1009,6 @@ void bpf_int_jit_compile(struct bpf_prog *prog) - - if (image) { - bpf_flush_icache(header, image + proglen); -- set_memory_ro((unsigned long)header, header->pages); - prog->bpf_func = (void *)image; - prog->jited = true; - } -@@ -1014,12 +1021,8 @@ void bpf_jit_free(struct bpf_prog *fp) - unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK; - struct bpf_binary_header *header = (void *)addr; - -- if (!fp->jited) -- goto free_filter; -+ if (fp->jited) -+ bpf_jit_binary_free(header); - -- set_memory_rw(addr, header->pages); -- bpf_jit_binary_free(header); -- --free_filter: - bpf_prog_unlock_free(fp); - } -diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c -index 4e664bd..2beeaa2 100644 ---- a/arch/x86/oprofile/backtrace.c -+++ b/arch/x86/oprofile/backtrace.c -@@ -46,11 +46,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head) - struct stack_frame_ia32 *fp; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -- fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame); -+ fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame); - - oprofile_add_trace(bufhead[0].return_address); - -@@ -92,7 +92,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head) - struct stack_frame bufhead[2]; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c -index 1d2e639..f6ef82a 100644 ---- a/arch/x86/oprofile/nmi_int.c -+++ b/arch/x86/oprofile/nmi_int.c -@@ -23,6 +23,7 @@ - #include <asm/nmi.h> - #include <asm/msr.h> - #include <asm/apic.h> -+#include <asm/pgtable.h> - - #include "op_counter.h" - #include "op_x86_model.h" -@@ -785,8 +786,11 @@ int __init op_nmi_init(struct oprofile_operations *ops) - if (ret) - return ret; - -- if (!model->num_virt_counters) -- model->num_virt_counters = model->num_counters; -+ if (!model->num_virt_counters) { -+ pax_open_kernel(); -+ *(unsigned int *)&model->num_virt_counters = model->num_counters; -+ pax_close_kernel(); -+ } - - mux_init(ops); - -diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c -index 50d86c0..7985318 100644 ---- a/arch/x86/oprofile/op_model_amd.c -+++ b/arch/x86/oprofile/op_model_amd.c -@@ -519,9 +519,11 @@ static int op_amd_init(struct oprofile_operations *ops) - num_counters = AMD64_NUM_COUNTERS; - } - -- op_amd_spec.num_counters = num_counters; -- op_amd_spec.num_controls = num_counters; -- op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_open_kernel(); -+ *(unsigned int *)&op_amd_spec.num_counters = num_counters; -+ *(unsigned int *)&op_amd_spec.num_controls = num_counters; -+ *(unsigned int *)&op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_close_kernel(); - - return 0; - } -diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c -index d90528e..0127e2b 100644 ---- a/arch/x86/oprofile/op_model_ppro.c -+++ b/arch/x86/oprofile/op_model_ppro.c -@@ -19,6 +19,7 @@ - #include <asm/msr.h> - #include <asm/apic.h> - #include <asm/nmi.h> -+#include <asm/pgtable.h> - - #include "op_x86_model.h" - #include "op_counter.h" -@@ -221,8 +222,10 @@ static void arch_perfmon_setup_counters(void) - - num_counters = min((int)eax.split.num_counters, OP_MAX_COUNTER); - -- op_arch_perfmon_spec.num_counters = num_counters; -- op_arch_perfmon_spec.num_controls = num_counters; -+ pax_open_kernel(); -+ *(unsigned int *)&op_arch_perfmon_spec.num_counters = num_counters; -+ *(unsigned int *)&op_arch_perfmon_spec.num_controls = num_counters; -+ pax_close_kernel(); - } - - static int arch_perfmon_init(struct oprofile_operations *ignore) -diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h -index 71e8a67..6a313bb 100644 ---- a/arch/x86/oprofile/op_x86_model.h -+++ b/arch/x86/oprofile/op_x86_model.h -@@ -52,7 +52,7 @@ struct op_x86_model_spec { - void (*switch_ctrl)(struct op_x86_model_spec const *model, - struct op_msrs const * const msrs); - #endif --}; -+} __do_const; - - struct op_counter_config; - -diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c -index 852aa4c..71613f2 100644 ---- a/arch/x86/pci/intel_mid_pci.c -+++ b/arch/x86/pci/intel_mid_pci.c -@@ -258,7 +258,7 @@ int __init intel_mid_pci_init(void) - pci_mmcfg_late_init(); - pcibios_enable_irq = intel_mid_pci_irq_enable; - pcibios_disable_irq = intel_mid_pci_irq_disable; -- pci_root_ops = intel_mid_pci_ops; -+ memcpy((void *)&pci_root_ops, &intel_mid_pci_ops, sizeof pci_root_ops); - pci_soc_mode = 1; - /* Continue with standard init */ - return 1; -diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c -index 5dc6ca5..25c03f5 100644 ---- a/arch/x86/pci/irq.c -+++ b/arch/x86/pci/irq.c -@@ -51,7 +51,7 @@ struct irq_router { - struct irq_router_handler { - u16 vendor; - int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device); --}; -+} __do_const; - - int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq; - void (*pcibios_disable_irq)(struct pci_dev *dev) = pirq_disable_irq; -@@ -791,7 +791,7 @@ static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router - return 0; - } - --static __initdata struct irq_router_handler pirq_routers[] = { -+static __initconst const struct irq_router_handler pirq_routers[] = { - { PCI_VENDOR_ID_INTEL, intel_router_probe }, - { PCI_VENDOR_ID_AL, ali_router_probe }, - { PCI_VENDOR_ID_ITE, ite_router_probe }, -@@ -818,7 +818,7 @@ static struct pci_dev *pirq_router_dev; - static void __init pirq_find_router(struct irq_router *r) - { - struct irq_routing_table *rt = pirq_table; -- struct irq_router_handler *h; -+ const struct irq_router_handler *h; - - #ifdef CONFIG_PCI_BIOS - if (!rt->signature) { -@@ -1091,7 +1091,7 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pciirq_dmi_table[] = { -+static const struct dmi_system_id __initconst pciirq_dmi_table[] = { - { - .callback = fix_broken_hp_bios_irq9, - .ident = "HP Pavilion N5400 Series Laptop", -diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c -index 9b83b90..2c256c5 100644 ---- a/arch/x86/pci/pcbios.c -+++ b/arch/x86/pci/pcbios.c -@@ -79,7 +79,7 @@ union bios32 { - static struct { - unsigned long address; - unsigned short segment; --} bios32_indirect __initdata = { 0, __KERNEL_CS }; -+} bios32_indirect __initdata = { 0, __PCIBIOS_CS }; - - /* - * Returns the entry point for the given service, NULL on error -@@ -92,37 +92,80 @@ static unsigned long __init bios32_service(unsigned long service) - unsigned long length; /* %ecx */ - unsigned long entry; /* %edx */ - unsigned long flags; -+ struct desc_struct d, *gdt; - - local_irq_save(flags); -- __asm__("lcall *(%%edi); cld" -+ -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ -+ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld" - : "=a" (return_code), - "=b" (address), - "=c" (length), - "=d" (entry) - : "0" (service), - "1" (0), -- "D" (&bios32_indirect)); -+ "D" (&bios32_indirect), -+ "r"(__PCIBIOS_DS) -+ : "memory"); -+ -+ pax_open_kernel(); -+ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0; -+ pax_close_kernel(); -+ - local_irq_restore(flags); - - switch (return_code) { -- case 0: -- return address + entry; -- case 0x80: /* Not present */ -- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -- return 0; -- default: /* Shouldn't happen */ -- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -- service, return_code); -+ case 0: { -+ int cpu; -+ unsigned char flags; -+ -+ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry); -+ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) { -+ printk(KERN_WARNING "bios32_service: not valid\n"); - return 0; -+ } -+ address = address + PAGE_OFFSET; -+ length += 16UL; /* some BIOSs underreport this... */ -+ flags = 4; -+ if (length >= 64*1024*1024) { -+ length >>= PAGE_SHIFT; -+ flags |= 8; -+ } -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ pack_descriptor(&d, address, length, 0x9b, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, address, length, 0x93, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ } -+ return entry; -+ } -+ case 0x80: /* Not present */ -+ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -+ return 0; -+ default: /* Shouldn't happen */ -+ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -+ service, return_code); -+ return 0; - } - } - - static struct { - unsigned long address; - unsigned short segment; --} pci_indirect = { 0, __KERNEL_CS }; -+} pci_indirect __read_only = { 0, __PCIBIOS_CS }; - --static int pci_bios_present; -+static int pci_bios_present __read_only; - - static int __init check_pcibios(void) - { -@@ -131,11 +174,13 @@ static int __init check_pcibios(void) - unsigned long flags, pcibios_entry; - - if ((pcibios_entry = bios32_service(PCI_SERVICE))) { -- pci_indirect.address = pcibios_entry + PAGE_OFFSET; -+ pci_indirect.address = pcibios_entry; - - local_irq_save(flags); -- __asm__( -- "lcall *(%%edi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%edi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -144,7 +189,8 @@ static int __init check_pcibios(void) - "=b" (ebx), - "=c" (ecx) - : "1" (PCIBIOS_PCI_BIOS_PRESENT), -- "D" (&pci_indirect) -+ "D" (&pci_indirect), -+ "r" (__PCIBIOS_DS) - : "memory"); - local_irq_restore(flags); - -@@ -189,7 +235,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -198,7 +247,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_BYTE), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 8 bits, do not trust the - * BIOS having done it: -@@ -206,7 +256,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - *value &= 0xff; - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -215,7 +268,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_WORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 16 bits, do not trust the - * BIOS having done it: -@@ -223,7 +277,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - *value &= 0xffff; - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -232,7 +289,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_DWORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -256,7 +314,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -265,10 +326,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -277,10 +342,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -289,7 +358,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -394,10 +464,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - - DBG("PCI: Fetching IRQ routing table... "); - __asm__("push %%es\n\t" -+ "movw %w8, %%ds\n\t" - "push %%ds\n\t" - "pop %%es\n\t" -- "lcall *(%%esi); cld\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" - "pop %%es\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -408,7 +481,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - "1" (0), - "D" ((long) &opt), - "S" (&pci_indirect), -- "m" (opt) -+ "m" (opt), -+ "r" (__PCIBIOS_DS) - : "memory"); - DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map); - if (ret & 0xff00) -@@ -432,7 +506,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - { - int ret; - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w5, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -440,7 +517,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - : "0" (PCIBIOS_SET_PCI_HW_INT), - "b" ((dev->bus->number << 8) | dev->devfn), - "c" ((irq << 8) | (pin + 10)), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - return !(ret & 0xff00); - } - EXPORT_SYMBOL(pcibios_set_irq_routing); -diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c -index ed5b673..24d2d53 100644 ---- a/arch/x86/platform/efi/efi_32.c -+++ b/arch/x86/platform/efi/efi_32.c -@@ -61,11 +61,27 @@ pgd_t * __init efi_call_phys_prolog(void) - struct desc_ptr gdt_descr; - pgd_t *save_pgd; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+#endif -+ - /* Current pgd is swapper_pg_dir, we'll restore it later: */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ save_pgd = get_cpu_pgd(smp_processor_id(), kernel); -+#else - save_pgd = swapper_pg_dir; -+#endif -+ - load_cr3(initial_page_table); - __flush_tlb_all(); - -+#ifdef CONFIG_PAX_KERNEXEC -+ pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = __pa(get_cpu_gdt_table(0)); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -@@ -77,6 +93,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - { - struct desc_ptr gdt_descr; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+ -+ memset(&d, 0, sizeof d); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c -index a0ac0f9..f41d324 100644 ---- a/arch/x86/platform/efi/efi_64.c -+++ b/arch/x86/platform/efi/efi_64.c -@@ -96,6 +96,11 @@ pgd_t * __init efi_call_phys_prolog(void) - vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); - } -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(swapper_pg_dir); -+#endif -+ - __flush_tlb_all(); - - return save_pgd; -@@ -119,6 +124,10 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - - kfree(save_pgd); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#endif -+ - __flush_tlb_all(); - early_code_mapping_set_exec(0); - } -@@ -148,8 +157,23 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) - unsigned npages; - pgd_t *pgd; - -- if (efi_enabled(EFI_OLD_MEMMAP)) -+ if (efi_enabled(EFI_OLD_MEMMAP)) { -+ /* PaX: We need to disable the NX bit in the PGD, otherwise we won't be -+ * able to execute the EFI services. -+ */ -+ if (__supported_pte_mask & _PAGE_NX) { -+ unsigned long addr = (unsigned long) __va(0); -+ pgd_t pe = __pgd(pgd_val(*pgd_offset_k(addr)) & ~_PAGE_NX); -+ -+ pr_alert("PAX: Disabling NX protection for low memory map. Try booting without \"efi=old_map\"\n"); -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ set_pgd(pgd_offset_cpu(0, kernel, addr), pe); -+#endif -+ set_pgd(pgd_offset_k(addr), pe); -+ } -+ - return 0; -+ } - - efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd; - pgd = __va(efi_scratch.efi_pgt); -diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S -index 040192b..7d3300f 100644 ---- a/arch/x86/platform/efi/efi_stub_32.S -+++ b/arch/x86/platform/efi/efi_stub_32.S -@@ -6,7 +6,9 @@ - */ - - #include <linux/linkage.h> -+#include <linux/init.h> - #include <asm/page_types.h> -+#include <asm/segment.h> - - /* - * efi_call_phys(void *, ...) is a function with variable parameters. -@@ -20,7 +22,7 @@ - * service functions will comply with gcc calling convention, too. - */ - --.text -+__INIT - ENTRY(efi_call_phys) - /* - * 0. The function can only be called in Linux kernel. So CS has been -@@ -36,10 +38,24 @@ ENTRY(efi_call_phys) - * The mapping of lower virtual memory has been created in prolog and - * epilog. - */ -- movl $1f, %edx -- subl $__PAGE_OFFSET, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEXEC_EFI_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ addl $2f,(1f) -+ ljmp *(1f) -+ -+__INITDATA -+1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS -+.previous -+ -+2: -+ subl $2b,(1b) -+#else -+ jmp 1f-__PAGE_OFFSET - 1: -+#endif - - /* - * 2. Now on the top of stack is the return -@@ -47,14 +63,8 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %edx -- movl %edx, saved_return_addr -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr -- movl $2f, %edx -- subl $__PAGE_OFFSET, %edx -- pushl %edx -+ popl (saved_return_addr) -+ popl (efi_rt_function_ptr) - - /* - * 3. Clear PG bit in %CR0. -@@ -73,9 +83,8 @@ ENTRY(efi_call_phys) - /* - * 5. Call the physical function. - */ -- jmp *%ecx -+ call *(efi_rt_function_ptr-__PAGE_OFFSET) - --2: - /* - * 6. After EFI runtime service returns, control will return to - * following instruction. We'd better readjust stack pointer first. -@@ -88,35 +97,36 @@ ENTRY(efi_call_phys) - movl %cr0, %edx - orl $0x80000000, %edx - movl %edx, %cr0 -- jmp 1f --1: -+ - /* - * 8. Now restore the virtual mode from flat mode by - * adding EIP with PAGE_OFFSET. - */ -- movl $1f, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEL_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ ljmp $(__KERNEL_CS),$1f -+#else -+ jmp 1f+__PAGE_OFFSET -+#endif - 1: - - /* - * 9. Balance the stack. And because EAX contain the return value, - * we'd better not clobber it. - */ -- leal efi_rt_function_ptr, %edx -- movl (%edx), %ecx -- pushl %ecx -+ pushl (efi_rt_function_ptr) - - /* -- * 10. Push the saved return address onto the stack and return. -+ * 10. Return to the saved return address. - */ -- leal saved_return_addr, %edx -- movl (%edx), %ecx -- pushl %ecx -- ret -+ jmpl *(saved_return_addr) - ENDPROC(efi_call_phys) - .previous - --.data -+__INITDATA - saved_return_addr: - .long 0 - efi_rt_function_ptr: -diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S -index 86d0f9e..6d499f4 100644 ---- a/arch/x86/platform/efi/efi_stub_64.S -+++ b/arch/x86/platform/efi/efi_stub_64.S -@@ -11,6 +11,7 @@ - #include <asm/msr.h> - #include <asm/processor-flags.h> - #include <asm/page_types.h> -+#include <asm/alternative-asm.h> - - #define SAVE_XMM \ - mov %rsp, %rax; \ -@@ -88,6 +89,7 @@ ENTRY(efi_call) - RESTORE_PGT - addq $48, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call) - -diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c -index 3005f0c..d06aeb0 100644 ---- a/arch/x86/platform/intel-mid/intel-mid.c -+++ b/arch/x86/platform/intel-mid/intel-mid.c -@@ -63,7 +63,7 @@ enum intel_mid_timer_options intel_mid_timer_options; - /* intel_mid_ops to store sub arch ops */ - struct intel_mid_ops *intel_mid_ops; - /* getter function for sub arch ops*/ --static void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; -+static const void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; - enum intel_mid_cpu_type __intel_mid_cpu_chip; - EXPORT_SYMBOL_GPL(__intel_mid_cpu_chip); - -@@ -71,9 +71,10 @@ static void intel_mid_power_off(void) - { - }; - --static void intel_mid_reboot(void) -+static void __noreturn intel_mid_reboot(void) - { - intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); -+ BUG(); - } - - static unsigned long __init intel_mid_calibrate_tsc(void) -diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -index 3c1c386..59a68ed 100644 ---- a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -+++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -@@ -13,6 +13,6 @@ - /* For every CPU addition a new get_<cpuname>_ops interface needs - * to be added. - */ --extern void *get_penwell_ops(void); --extern void *get_cloverview_ops(void); --extern void *get_tangier_ops(void); -+extern const void *get_penwell_ops(void); -+extern const void *get_cloverview_ops(void); -+extern const void *get_tangier_ops(void); -diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c -index 23381d2..8ddc10e 100644 ---- a/arch/x86/platform/intel-mid/mfld.c -+++ b/arch/x86/platform/intel-mid/mfld.c -@@ -64,12 +64,12 @@ static void __init penwell_arch_setup(void) - pm_power_off = mfld_power_off; - } - --void *get_penwell_ops(void) -+const void *get_penwell_ops(void) - { - return &penwell_ops; - } - --void *get_cloverview_ops(void) -+const void *get_cloverview_ops(void) - { - return &penwell_ops; - } -diff --git a/arch/x86/platform/intel-mid/mrfl.c b/arch/x86/platform/intel-mid/mrfl.c -index aaca917..66eadbc 100644 ---- a/arch/x86/platform/intel-mid/mrfl.c -+++ b/arch/x86/platform/intel-mid/mrfl.c -@@ -97,7 +97,7 @@ static struct intel_mid_ops tangier_ops = { - .arch_setup = tangier_arch_setup, - }; - --void *get_tangier_ops(void) -+const void *get_tangier_ops(void) - { - return &tangier_ops; - } -diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c -index 278e4da..55e8d8a 100644 ---- a/arch/x86/platform/intel-quark/imr_selftest.c -+++ b/arch/x86/platform/intel-quark/imr_selftest.c -@@ -55,7 +55,7 @@ static void __init imr_self_test_result(int res, const char *fmt, ...) - */ - static void __init imr_self_test(void) - { -- phys_addr_t base = virt_to_phys(&_text); -+ phys_addr_t base = virt_to_phys(ktla_ktva(_text)); - size_t size = virt_to_phys(&__end_rodata) - base; - const char *fmt_over = "overlapped IMR @ (0x%08lx - 0x%08lx)\n"; - int ret; -diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c -index d6ee929..3637cb5 100644 ---- a/arch/x86/platform/olpc/olpc_dt.c -+++ b/arch/x86/platform/olpc/olpc_dt.c -@@ -156,7 +156,7 @@ void * __init prom_early_alloc(unsigned long size) - return res; - } - --static struct of_pdt_ops prom_olpc_ops __initdata = { -+static struct of_pdt_ops prom_olpc_ops __initconst = { - .nextprop = olpc_dt_nextprop, - .getproplen = olpc_dt_getproplen, - .getproperty = olpc_dt_getproperty, -diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c -index 757678f..9895d9b 100644 ---- a/arch/x86/power/cpu.c -+++ b/arch/x86/power/cpu.c -@@ -134,11 +134,8 @@ static void do_fpu_end(void) - static void fix_processor_context(void) - { - int cpu = smp_processor_id(); -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); --#ifdef CONFIG_X86_64 -- struct desc_struct *desc = get_cpu_gdt_table(cpu); -- tss_desc tss; --#endif -+ struct tss_struct *t = cpu_tss + cpu; -+ - set_tss_desc(cpu, t); /* - * This just modifies memory; should not be - * necessary. But... This is necessary, because -@@ -147,10 +144,6 @@ static void fix_processor_context(void) - */ - - #ifdef CONFIG_X86_64 -- memcpy(&tss, &desc[GDT_ENTRY_TSS], sizeof(tss_desc)); -- tss.type = 0x9; /* The available 64-bit TSS (see AMD vol 2, pg 91 */ -- write_gdt_entry(desc, GDT_ENTRY_TSS, &tss, DESC_TSS); -- - syscall_init(); /* This sets MSR_*STAR and related */ - #endif - load_TR_desc(); /* This does ltr */ -diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c -index 0b7a63d..0d0f2c2 100644 ---- a/arch/x86/realmode/init.c -+++ b/arch/x86/realmode/init.c -@@ -68,7 +68,13 @@ void __init setup_real_mode(void) - __va(real_mode_header->trampoline_header); - - #ifdef CONFIG_X86_32 -- trampoline_header->start = __pa_symbol(startup_32_smp); -+ trampoline_header->start = __pa_symbol(ktla_ktva(startup_32_smp)); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ trampoline_header->start -= LOAD_PHYSICAL_ADDR; -+#endif -+ -+ trampoline_header->boot_cs = __BOOT_CS; - trampoline_header->gdt_limit = __BOOT_DS + 7; - trampoline_header->gdt_base = __pa_symbol(boot_gdt); - #else -@@ -84,7 +90,7 @@ void __init setup_real_mode(void) - *trampoline_cr4_features = __read_cr4(); - - trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); -- trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd; -+ trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd & ~_PAGE_NX; - trampoline_pgd[511] = init_level4_pgt[511].pgd; - #endif - } -diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile -index 2730d77..2e4cd19 100644 ---- a/arch/x86/realmode/rm/Makefile -+++ b/arch/x86/realmode/rm/Makefile -@@ -68,5 +68,8 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE - - KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \ - -I$(srctree)/arch/x86/boot -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n -diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S -index a28221d..93c40f1 100644 ---- a/arch/x86/realmode/rm/header.S -+++ b/arch/x86/realmode/rm/header.S -@@ -30,7 +30,9 @@ GLOBAL(real_mode_header) - #endif - /* APM/BIOS reboot */ - .long pa_machine_real_restart_asm --#ifdef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 -+ .long __KERNEL_CS -+#else - .long __KERNEL32_CS - #endif - END(real_mode_header) -diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S -index d66c607..3def845 100644 ---- a/arch/x86/realmode/rm/reboot.S -+++ b/arch/x86/realmode/rm/reboot.S -@@ -27,6 +27,10 @@ ENTRY(machine_real_restart_asm) - lgdtl pa_tr_gdt - - /* Disable paging to drop us out of long mode */ -+ movl %cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax -+ movl %eax, %cr4 -+ - movl %cr0, %eax - andl $~X86_CR0_PG, %eax - movl %eax, %cr0 -diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S -index 48ddd76..c26749f 100644 ---- a/arch/x86/realmode/rm/trampoline_32.S -+++ b/arch/x86/realmode/rm/trampoline_32.S -@@ -24,6 +24,12 @@ - #include <asm/page_types.h> - #include "realmode.h" - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) (pa_ ## X) -+#endif -+ - .text - .code16 - -@@ -38,8 +44,6 @@ ENTRY(trampoline_start) - - cli # We should be safe anyway - -- movl tr_start, %eax # where we need to go -- - movl $0xA5A5A5A5, trampoline_status - # write marker for master knows we're running - -@@ -55,7 +59,7 @@ ENTRY(trampoline_start) - movw $1, %dx # protected mode (PE) bit - lmsw %dx # into protected mode - -- ljmpl $__BOOT_CS, $pa_startup_32 -+ ljmpl *(trampoline_header) - - .section ".text32","ax" - .code32 -@@ -66,7 +70,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S - .balign 8 - GLOBAL(trampoline_header) - tr_start: .space 4 -- tr_gdt_pad: .space 2 -+ tr_boot_cs: .space 2 - tr_gdt: .space 6 - END(trampoline_header) - -diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S -index dac7b20..72dbaca 100644 ---- a/arch/x86/realmode/rm/trampoline_64.S -+++ b/arch/x86/realmode/rm/trampoline_64.S -@@ -93,6 +93,7 @@ ENTRY(startup_32) - movl %edx, %gs - - movl pa_tr_cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax - movl %eax, %cr4 # Enable PAE mode - - # Setup trampoline 4 level pagetables -@@ -106,7 +107,7 @@ ENTRY(startup_32) - wrmsr - - # Enable paging and in turn activate Long Mode -- movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax -+ movl $(X86_CR0_PG | X86_CR0_PE), %eax - movl %eax, %cr0 - - /* -diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S -index 9e7e147..25a4158 100644 ---- a/arch/x86/realmode/rm/wakeup_asm.S -+++ b/arch/x86/realmode/rm/wakeup_asm.S -@@ -126,11 +126,10 @@ ENTRY(wakeup_start) - lgdtl pmode_gdt - - /* This really couldn't... */ -- movl pmode_entry, %eax - movl pmode_cr0, %ecx - movl %ecx, %cr0 -- ljmpl $__KERNEL_CS, $pa_startup_32 -- /* -> jmp *%eax in trampoline_32.S */ -+ -+ ljmpl *pmode_entry - #else - jmp trampoline_start - #endif -diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile -index 604a37e..e49702a 100644 ---- a/arch/x86/tools/Makefile -+++ b/arch/x86/tools/Makefile -@@ -37,7 +37,7 @@ $(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/in - - $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c - --HOST_EXTRACFLAGS += -I$(srctree)/tools/include -+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -ggdb - hostprogs-y += relocs - relocs-objs := relocs_32.o relocs_64.o relocs_common.o - PHONY += relocs -diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c -index 0c2fae8..88036b7 100644 ---- a/arch/x86/tools/relocs.c -+++ b/arch/x86/tools/relocs.c -@@ -1,5 +1,7 @@ - /* This is included from relocs_32/64.c */ - -+#include "../../../include/generated/autoconf.h" -+ - #define ElfW(type) _ElfW(ELF_BITS, type) - #define _ElfW(bits, type) __ElfW(bits, type) - #define __ElfW(bits, type) Elf##bits##_##type -@@ -11,6 +13,7 @@ - #define Elf_Sym ElfW(Sym) - - static Elf_Ehdr ehdr; -+static Elf_Phdr *phdr; - - struct relocs { - uint32_t *offset; -@@ -386,9 +389,39 @@ static void read_ehdr(FILE *fp) - } - } - -+static void read_phdrs(FILE *fp) -+{ -+ unsigned int i; -+ -+ phdr = calloc(ehdr.e_phnum, sizeof(Elf_Phdr)); -+ if (!phdr) { -+ die("Unable to allocate %d program headers\n", -+ ehdr.e_phnum); -+ } -+ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) { -+ die("Seek to %d failed: %s\n", -+ ehdr.e_phoff, strerror(errno)); -+ } -+ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) { -+ die("Cannot read ELF program headers: %s\n", -+ strerror(errno)); -+ } -+ for(i = 0; i < ehdr.e_phnum; i++) { -+ phdr[i].p_type = elf_word_to_cpu(phdr[i].p_type); -+ phdr[i].p_offset = elf_off_to_cpu(phdr[i].p_offset); -+ phdr[i].p_vaddr = elf_addr_to_cpu(phdr[i].p_vaddr); -+ phdr[i].p_paddr = elf_addr_to_cpu(phdr[i].p_paddr); -+ phdr[i].p_filesz = elf_word_to_cpu(phdr[i].p_filesz); -+ phdr[i].p_memsz = elf_word_to_cpu(phdr[i].p_memsz); -+ phdr[i].p_flags = elf_word_to_cpu(phdr[i].p_flags); -+ phdr[i].p_align = elf_word_to_cpu(phdr[i].p_align); -+ } -+ -+} -+ - static void read_shdrs(FILE *fp) - { -- int i; -+ unsigned int i; - Elf_Shdr shdr; - - secs = calloc(ehdr.e_shnum, sizeof(struct section)); -@@ -423,7 +456,7 @@ static void read_shdrs(FILE *fp) - - static void read_strtabs(FILE *fp) - { -- int i; -+ unsigned int i; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_STRTAB) { -@@ -448,7 +481,7 @@ static void read_strtabs(FILE *fp) - - static void read_symtabs(FILE *fp) - { -- int i,j; -+ unsigned int i,j; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_SYMTAB) { -@@ -479,9 +512,11 @@ static void read_symtabs(FILE *fp) - } - - --static void read_relocs(FILE *fp) -+static void read_relocs(FILE *fp, int use_real_mode) - { -- int i,j; -+ unsigned int i,j; -+ uint32_t base; -+ - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -501,9 +536,22 @@ static void read_relocs(FILE *fp) - die("Cannot read symbol table: %s\n", - strerror(errno)); - } -+ base = 0; -+ -+#ifdef CONFIG_X86_32 -+ for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) { -+ if (phdr[j].p_type != PT_LOAD ) -+ continue; -+ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz) -+ continue; -+ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr; -+ break; -+ } -+#endif -+ - for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) { - Elf_Rel *rel = &sec->reltab[j]; -- rel->r_offset = elf_addr_to_cpu(rel->r_offset); -+ rel->r_offset = elf_addr_to_cpu(rel->r_offset) + base; - rel->r_info = elf_xword_to_cpu(rel->r_info); - #if (SHT_REL_TYPE == SHT_RELA) - rel->r_addend = elf_xword_to_cpu(rel->r_addend); -@@ -515,7 +563,7 @@ static void read_relocs(FILE *fp) - - static void print_absolute_symbols(void) - { -- int i; -+ unsigned int i; - const char *format; - - if (ELF_BITS == 64) -@@ -528,7 +576,7 @@ static void print_absolute_symbols(void) - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - char *sym_strtab; -- int j; -+ unsigned int j; - - if (sec->shdr.sh_type != SHT_SYMTAB) { - continue; -@@ -555,7 +603,7 @@ static void print_absolute_symbols(void) - - static void print_absolute_relocs(void) - { -- int i, printed = 0; -+ unsigned int i, printed = 0; - const char *format; - - if (ELF_BITS == 64) -@@ -568,7 +616,7 @@ static void print_absolute_relocs(void) - struct section *sec_applies, *sec_symtab; - char *sym_strtab; - Elf_Sym *sh_symtab; -- int j; -+ unsigned int j; - if (sec->shdr.sh_type != SHT_REL_TYPE) { - continue; - } -@@ -645,13 +693,13 @@ static void add_reloc(struct relocs *r, uint32_t offset) - static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel, - Elf_Sym *sym, const char *symname)) - { -- int i; -+ unsigned int i; - /* Walk through the relocations */ - for (i = 0; i < ehdr.e_shnum; i++) { - char *sym_strtab; - Elf_Sym *sh_symtab; - struct section *sec_applies, *sec_symtab; -- int j; -+ unsigned int j; - struct section *sec = &secs[i]; - - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -830,6 +878,23 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - { - unsigned r_type = ELF32_R_TYPE(rel->r_info); - int shn_abs = (sym->st_shndx == SHN_ABS) && !is_reloc(S_REL, symname); -+ char *sym_strtab = sec->link->link->strtab; -+ -+ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */ -+ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load")) -+ return 0; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */ -+ if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".init.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".exit.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR")) -+ return 0; -+#endif - - switch (r_type) { - case R_386_NONE: -@@ -968,7 +1033,7 @@ static int write32_as_text(uint32_t v, FILE *f) - - static void emit_relocs(int as_text, int use_real_mode) - { -- int i; -+ unsigned int i; - int (*write_reloc)(uint32_t, FILE *) = write32; - int (*do_reloc)(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - const char *symname); -@@ -1078,10 +1143,11 @@ void process(FILE *fp, int use_real_mode, int as_text, - { - regex_init(use_real_mode); - read_ehdr(fp); -+ read_phdrs(fp); - read_shdrs(fp); - read_strtabs(fp); - read_symtabs(fp); -- read_relocs(fp); -+ read_relocs(fp, use_real_mode); - if (ELF_BITS == 64) - percpu_init(); - if (show_absolute_syms) { -diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c -index f40281e..92728c9 100644 ---- a/arch/x86/um/mem_32.c -+++ b/arch/x86/um/mem_32.c -@@ -21,7 +21,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c -index 80ffa5b..a33bd15 100644 ---- a/arch/x86/um/tls_32.c -+++ b/arch/x86/um/tls_32.c -@@ -260,7 +260,7 @@ out: - if (unlikely(task == current && - !t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].flushed)) { - printk(KERN_ERR "get_tls_entry: task with pid %d got here " -- "without flushed TLS.", current->pid); -+ "without flushed TLS.", task_pid_nr(current)); - } - - return 0; -diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile -index e970320..c006fea 100644 ---- a/arch/x86/vdso/Makefile -+++ b/arch/x86/vdso/Makefile -@@ -175,7 +175,7 @@ quiet_cmd_vdso = VDSO $@ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' - --VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \ -+VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \ - $(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS) - GCOV_PROFILE := n - -diff --git a/arch/x86/vdso/vdso2c.h b/arch/x86/vdso/vdso2c.h -index 0224987..c7d65a5 100644 ---- a/arch/x86/vdso/vdso2c.h -+++ b/arch/x86/vdso/vdso2c.h -@@ -12,7 +12,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, - unsigned long load_size = -1; /* Work around bogus warning */ - unsigned long mapping_size; - ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr; -- int i; -+ unsigned int i; - unsigned long j; - ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr, - *alt_sec = NULL; -diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c -index e904c27..b9eaa03 100644 ---- a/arch/x86/vdso/vdso32-setup.c -+++ b/arch/x86/vdso/vdso32-setup.c -@@ -14,6 +14,7 @@ - #include <asm/cpufeature.h> - #include <asm/processor.h> - #include <asm/vdso.h> -+#include <asm/mman.h> - - #ifdef CONFIG_COMPAT_VDSO - #define VDSO_DEFAULT 0 -diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c -index 1c9f750..cfddb1a 100644 ---- a/arch/x86/vdso/vma.c -+++ b/arch/x86/vdso/vma.c -@@ -19,10 +19,7 @@ - #include <asm/page.h> - #include <asm/hpet.h> - #include <asm/desc.h> -- --#if defined(CONFIG_X86_64) --unsigned int __read_mostly vdso64_enabled = 1; --#endif -+#include <asm/mman.h> - - void __init init_vdso_image(const struct vdso_image *image) - { -@@ -101,6 +98,11 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - .pages = no_pages, - }; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ calculate_addr = false; -+#endif -+ - if (calculate_addr) { - addr = vdso_addr(current->mm->start_stack, - image->size - image->sym_vvar_start); -@@ -111,14 +113,14 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - down_write(&mm->mmap_sem); - - addr = get_unmapped_area(NULL, addr, -- image->size - image->sym_vvar_start, 0, 0); -+ image->size - image->sym_vvar_start, 0, MAP_EXECUTABLE); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - - text_start = addr - image->sym_vvar_start; -- current->mm->context.vdso = (void __user *)text_start; -+ mm->context.vdso = text_start; - - /* - * MAYWRITE to allow gdb to COW and set breakpoints -@@ -163,15 +165,12 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - hpet_address >> PAGE_SHIFT, - PAGE_SIZE, - pgprot_noncached(PAGE_READONLY)); -- -- if (ret) -- goto up_fail; - } - #endif - - up_fail: - if (ret) -- current->mm->context.vdso = NULL; -+ current->mm->context.vdso = 0; - - up_write(&mm->mmap_sem); - return ret; -@@ -191,8 +190,8 @@ static int load_vdso32(void) - - if (selected_vdso32->sym_VDSO32_SYSENTER_RETURN) - current_thread_info()->sysenter_return = -- current->mm->context.vdso + -- selected_vdso32->sym_VDSO32_SYSENTER_RETURN; -+ (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym_VDSO32_SYSENTER_RETURN); - - return 0; - } -@@ -201,9 +200,6 @@ static int load_vdso32(void) - #ifdef CONFIG_X86_64 - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { -- if (!vdso64_enabled) -- return 0; -- - return map_vdso(&vdso_image_64, true); - } - -@@ -212,12 +208,8 @@ int compat_arch_setup_additional_pages(struct linux_binprm *bprm, - int uses_interp) - { - #ifdef CONFIG_X86_X32_ABI -- if (test_thread_flag(TIF_X32)) { -- if (!vdso64_enabled) -- return 0; -- -+ if (test_thread_flag(TIF_X32)) - return map_vdso(&vdso_image_x32, true); -- } - #endif - - return load_vdso32(); -@@ -231,15 +223,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - #endif - - #ifdef CONFIG_X86_64 --static __init int vdso_setup(char *s) --{ -- vdso64_enabled = simple_strtoul(s, NULL, 0); -- return 0; --} --__setup("vdso=", vdso_setup); --#endif -- --#ifdef CONFIG_X86_64 - static void vgetcpu_cpu_init(void *arg) - { - int cpu = smp_processor_id(); -diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig -index 4841453..d59a203 100644 ---- a/arch/x86/xen/Kconfig -+++ b/arch/x86/xen/Kconfig -@@ -9,6 +9,7 @@ config XEN - select XEN_HAVE_PVMMU - depends on X86_64 || (X86_32 && X86_PAE) - depends on X86_LOCAL_APIC && X86_TSC -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_XEN - help - This is the Linux Xen port. Enabling this will allow the - kernel to boot in a paravirtualized environment under the -diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c -index a671e83..a9dc1d9 100644 ---- a/arch/x86/xen/enlighten.c -+++ b/arch/x86/xen/enlighten.c -@@ -125,8 +125,6 @@ EXPORT_SYMBOL_GPL(xen_start_info); - - struct shared_info xen_dummy_shared_info; - --void *xen_initial_gdt; -- - RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); - __read_mostly int xen_have_vector_callback; - EXPORT_SYMBOL_GPL(xen_have_vector_callback); -@@ -584,8 +582,7 @@ static void xen_load_gdt(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE; -- unsigned long frames[pages]; -+ unsigned long frames[65536 / PAGE_SIZE]; - int f; - - /* -@@ -633,8 +630,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE; -- unsigned long frames[pages]; -+ unsigned long frames[(GDT_SIZE + PAGE_SIZE - 1) / PAGE_SIZE]; - int f; - - /* -@@ -642,7 +638,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - * 8-byte entries, or 16 4k pages.. - */ - -- BUG_ON(size > 65536); -+ BUG_ON(size > GDT_SIZE); - BUG_ON(va & ~PAGE_MASK); - - for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) { -@@ -1263,30 +1259,30 @@ static const struct pv_apic_ops xen_apic_ops __initconst = { - #endif - }; - --static void xen_reboot(int reason) -+static __noreturn void xen_reboot(int reason) - { - struct sched_shutdown r = { .reason = reason }; - -- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r)) -- BUG(); -+ HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); -+ BUG(); - } - --static void xen_restart(char *msg) -+static __noreturn void xen_restart(char *msg) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_emergency_restart(void) -+static __noreturn void xen_emergency_restart(void) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_machine_halt(void) -+static __noreturn void xen_machine_halt(void) - { - xen_reboot(SHUTDOWN_poweroff); - } - --static void xen_machine_power_off(void) -+static __noreturn void xen_machine_power_off(void) - { - if (pm_power_off) - pm_power_off(); -@@ -1439,8 +1435,11 @@ static void __ref xen_setup_gdt(int cpu) - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot; - pv_cpu_ops.load_gdt = xen_load_gdt_boot; - -- setup_stack_canary_segment(0); -- switch_to_new_gdt(0); -+ setup_stack_canary_segment(cpu); -+#ifdef CONFIG_X86_64 -+ load_percpu_segment(cpu); -+#endif -+ switch_to_new_gdt(cpu); - - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry; - pv_cpu_ops.load_gdt = xen_load_gdt; -@@ -1555,7 +1554,17 @@ asmlinkage __visible void __init xen_start_kernel(void) - __userpte_alloc_gfp &= ~__GFP_HIGHMEM; - - /* Work out if we support NX */ -- x86_configure_nx(); -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -+ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 && -+ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) { -+ unsigned l, h; -+ -+ __supported_pte_mask |= _PAGE_NX; -+ rdmsr(MSR_EFER, l, h); -+ l |= EFER_NX; -+ wrmsr(MSR_EFER, l, h); -+ } -+#endif - - /* Get mfn list */ - xen_build_dynamic_phys_to_machine(); -@@ -1583,13 +1592,6 @@ asmlinkage __visible void __init xen_start_kernel(void) - - machine_ops = xen_machine_ops; - -- /* -- * The only reliable way to retain the initial address of the -- * percpu gdt_page is to remember it here, so we can go and -- * mark it RW later, when the initial percpu area is freed. -- */ -- xen_initial_gdt = &per_cpu(gdt_page, 0); -- - xen_smp_init(); - - #ifdef CONFIG_ACPI_NUMA -diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c -index dd151b2..d5ab952 100644 ---- a/arch/x86/xen/mmu.c -+++ b/arch/x86/xen/mmu.c -@@ -379,7 +379,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val) - return val; - } - --static pteval_t pte_pfn_to_mfn(pteval_t val) -+static pteval_t __intentional_overflow(-1) pte_pfn_to_mfn(pteval_t val) - { - if (val & _PAGE_PRESENT) { - unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; -@@ -1835,7 +1835,11 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - * L3_k[511] -> level2_fixmap_pgt */ - convert_pfn_mfn(level3_kernel_pgt); - -+ convert_pfn_mfn(level3_vmalloc_start_pgt); -+ convert_pfn_mfn(level3_vmalloc_end_pgt); -+ convert_pfn_mfn(level3_vmemmap_pgt); - /* L3_k[511][506] -> level1_fixmap_pgt */ -+ /* L3_k[511][507] -> level1_vsyscall_pgt */ - convert_pfn_mfn(level2_fixmap_pgt); - } - /* We get [511][511] and have Xen's version of level2_kernel_pgt */ -@@ -1860,11 +1864,18 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); - set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); -- set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[0], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[1], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[2], PAGE_KERNEL_RO); -+ set_page_prot(level1_vsyscall_pgt, PAGE_KERNEL_RO); - - /* Pin down new L4 */ - pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, -@@ -2048,6 +2059,7 @@ static void __init xen_post_allocator_init(void) - pv_mmu_ops.set_pud = xen_set_pud; - #if CONFIG_PGTABLE_LEVELS == 4 - pv_mmu_ops.set_pgd = xen_set_pgd; -+ pv_mmu_ops.set_pgd_batched = xen_set_pgd; - #endif - - /* This will work as long as patching hasn't happened yet -@@ -2126,6 +2138,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { - .pud_val = PV_CALLEE_SAVE(xen_pud_val), - .make_pud = PV_CALLEE_SAVE(xen_make_pud), - .set_pgd = xen_set_pgd_hyper, -+ .set_pgd_batched = xen_set_pgd_hyper, - - .alloc_pud = xen_alloc_pmd_init, - .release_pud = xen_release_pmd_init, -diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c -index 8648438..18bac20 100644 ---- a/arch/x86/xen/smp.c -+++ b/arch/x86/xen/smp.c -@@ -284,17 +284,13 @@ static void __init xen_smp_prepare_boot_cpu(void) - - if (xen_pv_domain()) { - if (!xen_feature(XENFEAT_writable_page_tables)) -- /* We've switched to the "real" per-cpu gdt, so make -- * sure the old memory can be recycled. */ -- make_lowmem_page_readwrite(xen_initial_gdt); -- - #ifdef CONFIG_X86_32 - /* - * Xen starts us with XEN_FLAT_RING1_DS, but linux code - * expects __USER_DS - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); - #endif - - xen_filter_cpu_maps(); -@@ -375,7 +371,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - #ifdef CONFIG_X86_32 - /* Note: PVH is not yet supported on x86_32. */ - ctxt->user_regs.fs = __KERNEL_PERCPU; -- ctxt->user_regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, ctxt->user_regs.gs); - #endif - memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt)); - -@@ -383,8 +379,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle; - ctxt->flags = VGCF_IN_KERNEL; - ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */ -- ctxt->user_regs.ds = __USER_DS; -- ctxt->user_regs.es = __USER_DS; -+ ctxt->user_regs.ds = __KERNEL_DS; -+ ctxt->user_regs.es = __KERNEL_DS; - ctxt->user_regs.ss = __KERNEL_DS; - - xen_copy_trap_info(ctxt->trap_ctxt); -@@ -720,7 +716,7 @@ static const struct smp_ops xen_smp_ops __initconst = { - - void __init xen_smp_init(void) - { -- smp_ops = xen_smp_ops; -+ memcpy((void *)&smp_ops, &xen_smp_ops, sizeof smp_ops); - xen_fill_possible_map(); - } - -diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S -index fd92a64..1f72641 100644 ---- a/arch/x86/xen/xen-asm_32.S -+++ b/arch/x86/xen/xen-asm_32.S -@@ -99,7 +99,7 @@ ENTRY(xen_iret) - pushw %fs - movl $(__KERNEL_PERCPU), %eax - movl %eax, %fs -- movl %fs:xen_vcpu, %eax -+ mov PER_CPU_VAR(xen_vcpu), %eax - POP_FS - #else - movl %ss:xen_vcpu, %eax -diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S -index 8afdfcc..79239db 100644 ---- a/arch/x86/xen/xen-head.S -+++ b/arch/x86/xen/xen-head.S -@@ -41,6 +41,17 @@ ENTRY(startup_xen) - #ifdef CONFIG_X86_32 - mov %esi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%esp -+#ifdef CONFIG_SMP -+ movl $cpu_gdt_table,%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,__KERNEL_PERCPU + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_PERCPU + 4(%edi) -+ movb %ah,__KERNEL_PERCPU + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,__KERNEL_PERCPU + 0(%edi) -+#endif - #else - mov %rsi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%rsp -diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h -index bef30cb..f1a0d68 100644 ---- a/arch/x86/xen/xen-ops.h -+++ b/arch/x86/xen/xen-ops.h -@@ -16,8 +16,6 @@ void xen_syscall_target(void); - void xen_syscall32_target(void); - #endif - --extern void *xen_initial_gdt; -- - struct trap_info; - void xen_copy_trap_info(struct trap_info *traps); - -diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h -index 525bd3d..ef888b1 100644 ---- a/arch/xtensa/variants/dc232b/include/variant/core.h -+++ b/arch/xtensa/variants/dc232b/include/variant/core.h -@@ -119,9 +119,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ -diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h -index 2f33760..835e50a 100644 ---- a/arch/xtensa/variants/fsf/include/variant/core.h -+++ b/arch/xtensa/variants/fsf/include/variant/core.h -@@ -11,6 +11,7 @@ - #ifndef _XTENSA_CORE_H - #define _XTENSA_CORE_H - -+#include <linux/const.h> - - /**************************************************************************** - Parameters Useful for Any Code, USER or PRIVILEGED -@@ -112,9 +113,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */ -diff --git a/block/bio.c b/block/bio.c -index 4441522..dedbafc 100644 ---- a/block/bio.c -+++ b/block/bio.c -@@ -1172,7 +1172,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -@@ -1297,7 +1297,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c -index 0736729..2ec3b48 100644 ---- a/block/blk-iopoll.c -+++ b/block/blk-iopoll.c -@@ -74,7 +74,7 @@ void blk_iopoll_complete(struct blk_iopoll *iop) - } - EXPORT_SYMBOL(blk_iopoll_complete); - --static void blk_iopoll_softirq(struct softirq_action *h) -+static __latent_entropy void blk_iopoll_softirq(void) - { - struct list_head *list = this_cpu_ptr(&blk_cpu_iopoll); - int rearm = 0, budget = blk_iopoll_budget; -diff --git a/block/blk-map.c b/block/blk-map.c -index da310a1..213b5c9 100644 ---- a/block/blk-map.c -+++ b/block/blk-map.c -@@ -192,7 +192,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, - if (!len || !kbuf) - return -EINVAL; - -- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf); -+ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf); - if (do_copy) - bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); - else -diff --git a/block/blk-softirq.c b/block/blk-softirq.c -index 53b1737..08177d2e 100644 ---- a/block/blk-softirq.c -+++ b/block/blk-softirq.c -@@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done); - * Softirq action handler - move entries to local list and loop over them - * while passing them to the queue registered handler. - */ --static void blk_done_softirq(struct softirq_action *h) -+static __latent_entropy void blk_done_softirq(void) - { - struct list_head *cpu_list, local_list; - -diff --git a/block/bsg.c b/block/bsg.c -index d214e92..9649863 100644 ---- a/block/bsg.c -+++ b/block/bsg.c -@@ -140,16 +140,24 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq, - struct sg_io_v4 *hdr, struct bsg_device *bd, - fmode_t has_write_perm) - { -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ - if (hdr->request_len > BLK_MAX_CDB) { - rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL); - if (!rq->cmd) - return -ENOMEM; -- } -+ cmdptr = rq->cmd; -+ } else -+ cmdptr = tmpcmd; - -- if (copy_from_user(rq->cmd, (void __user *)(unsigned long)hdr->request, -+ if (copy_from_user(cmdptr, (void __user *)(unsigned long)hdr->request, - hdr->request_len)) - return -EFAULT; - -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->request_len); -+ - if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) { - if (blk_verify_command(rq->cmd, has_write_perm)) - return -EPERM; -diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c -index f678c73..f35aa18 100644 ---- a/block/compat_ioctl.c -+++ b/block/compat_ioctl.c -@@ -156,7 +156,7 @@ static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode, - cgc = compat_alloc_user_space(sizeof(*cgc)); - cgc32 = compat_ptr(arg); - -- if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) || -+ if (copy_in_user(cgc->cmd, cgc32->cmd, sizeof(cgc->cmd)) || - get_user(data, &cgc32->buffer) || - put_user(compat_ptr(data), &cgc->buffer) || - copy_in_user(&cgc->buflen, &cgc32->buflen, -@@ -341,7 +341,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode, - err |= __get_user(f->spec1, &uf->spec1); - err |= __get_user(f->fmt_gap, &uf->fmt_gap); - err |= __get_user(name, &uf->name); -- f->name = compat_ptr(name); -+ f->name = (void __force_kernel *)compat_ptr(name); - if (err) { - err = -EFAULT; - goto out; -diff --git a/block/genhd.c b/block/genhd.c -index ea982ea..86e0f9e 100644 ---- a/block/genhd.c -+++ b/block/genhd.c -@@ -469,21 +469,24 @@ static char *bdevt_str(dev_t devt, char *buf) - - /* - * Register device numbers dev..(dev+range-1) -- * range must be nonzero -+ * Noop if @range is zero. - * The hash chain is sorted on range, so that subranges can override. - */ - void blk_register_region(dev_t devt, unsigned long range, struct module *module, - struct kobject *(*probe)(dev_t, int *, void *), - int (*lock)(dev_t, void *), void *data) - { -- kobj_map(bdev_map, devt, range, module, probe, lock, data); -+ if (range) -+ kobj_map(bdev_map, devt, range, module, probe, lock, data); - } - - EXPORT_SYMBOL(blk_register_region); - -+/* undo blk_register_region(), noop if @range is zero */ - void blk_unregister_region(dev_t devt, unsigned long range) - { -- kobj_unmap(bdev_map, devt, range); -+ if (range) -+ kobj_unmap(bdev_map, devt, range); - } - - EXPORT_SYMBOL(blk_unregister_region); -diff --git a/block/partitions/efi.c b/block/partitions/efi.c -index 26cb624..a49c3a5 100644 ---- a/block/partitions/efi.c -+++ b/block/partitions/efi.c -@@ -293,14 +293,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state, - if (!gpt) - return NULL; - -+ if (!le32_to_cpu(gpt->num_partition_entries)) -+ return NULL; -+ pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL); -+ if (!pte) -+ return NULL; -+ - count = le32_to_cpu(gpt->num_partition_entries) * - le32_to_cpu(gpt->sizeof_partition_entry); -- if (!count) -- return NULL; -- pte = kmalloc(count, GFP_KERNEL); -- if (!pte) -- return NULL; -- - if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba), - (u8 *) pte, count) < count) { - kfree(pte); -diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c -index 55b6f15..b602c9a 100644 ---- a/block/scsi_ioctl.c -+++ b/block/scsi_ioctl.c -@@ -67,7 +67,7 @@ static int scsi_get_bus(struct request_queue *q, int __user *p) - return put_user(0, p); - } - --static int sg_get_timeout(struct request_queue *q) -+static int __intentional_overflow(-1) sg_get_timeout(struct request_queue *q) - { - return jiffies_to_clock_t(q->sg_timeout); - } -@@ -227,8 +227,20 @@ EXPORT_SYMBOL(blk_verify_command); - static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, - struct sg_io_hdr *hdr, fmode_t mode) - { -- if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len)) -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len)) - return -EFAULT; -+ -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->cmd_len); -+ - if (blk_verify_command(rq->cmd, mode & FMODE_WRITE)) - return -EPERM; - -@@ -420,6 +432,8 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, - int err; - unsigned int in_len, out_len, bytes, opcode, cmdlen; - char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE]; -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; - - if (!sic) - return -EINVAL; -@@ -458,9 +472,18 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, - */ - err = -EFAULT; - rq->cmd_len = cmdlen; -- if (copy_from_user(rq->cmd, sic->data, cmdlen)) -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, sic->data, cmdlen)) - goto error; - -+ if (rq->cmd != cmdptr) -+ memcpy(rq->cmd, cmdptr, cmdlen); -+ - if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) - goto error; - -diff --git a/crypto/cryptd.c b/crypto/cryptd.c -index b0602ba..fb71850 100644 ---- a/crypto/cryptd.c -+++ b/crypto/cryptd.c -@@ -63,7 +63,7 @@ struct cryptd_blkcipher_ctx { - - struct cryptd_blkcipher_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - struct cryptd_hash_ctx { - struct crypto_shash *child; -@@ -80,7 +80,7 @@ struct cryptd_aead_ctx { - - struct cryptd_aead_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - static void cryptd_queue_worker(struct work_struct *work); - -diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c -index c305d41..a96de79 100644 ---- a/crypto/pcrypt.c -+++ b/crypto/pcrypt.c -@@ -440,7 +440,7 @@ static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) - int ret; - - pinst->kobj.kset = pcrypt_kset; -- ret = kobject_add(&pinst->kobj, NULL, name); -+ ret = kobject_add(&pinst->kobj, NULL, "%s", name); - if (!ret) - kobject_uevent(&pinst->kobj, KOBJ_ADD); - -diff --git a/crypto/zlib.c b/crypto/zlib.c -index 0eefa9d..0fa3d29 100644 ---- a/crypto/zlib.c -+++ b/crypto/zlib.c -@@ -95,10 +95,10 @@ static int zlib_compress_setup(struct crypto_pcomp *tfm, void *params, - zlib_comp_exit(ctx); - - window_bits = tb[ZLIB_COMP_WINDOWBITS] -- ? nla_get_u32(tb[ZLIB_COMP_WINDOWBITS]) -+ ? nla_get_s32(tb[ZLIB_COMP_WINDOWBITS]) - : MAX_WBITS; - mem_level = tb[ZLIB_COMP_MEMLEVEL] -- ? nla_get_u32(tb[ZLIB_COMP_MEMLEVEL]) -+ ? nla_get_s32(tb[ZLIB_COMP_MEMLEVEL]) - : DEF_MEM_LEVEL; - - workspacesize = zlib_deflate_workspacesize(window_bits, mem_level); -diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c -index 3b37676..898edfa 100644 ---- a/drivers/acpi/acpica/hwxfsleep.c -+++ b/drivers/acpi/acpica/hwxfsleep.c -@@ -63,11 +63,12 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); - /* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */ - - static struct acpi_sleep_functions acpi_sleep_dispatch[] = { -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -- acpi_hw_extended_sleep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -- acpi_hw_extended_wake_prep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), acpi_hw_extended_wake} -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -+ .extended_function = acpi_hw_extended_sleep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -+ .extended_function = acpi_hw_extended_wake_prep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), -+ .extended_function = acpi_hw_extended_wake} - }; - - /* -diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h -index 16129c7..8b675cd 100644 ---- a/drivers/acpi/apei/apei-internal.h -+++ b/drivers/acpi/apei/apei-internal.h -@@ -19,7 +19,7 @@ typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx, - struct apei_exec_ins_type { - u32 flags; - apei_exec_ins_func_t run; --}; -+} __do_const; - - struct apei_exec_context { - u32 ip; -diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c -index e82d097..0c855c1 100644 ---- a/drivers/acpi/apei/ghes.c -+++ b/drivers/acpi/apei/ghes.c -@@ -478,7 +478,7 @@ static void __ghes_print_estatus(const char *pfx, - const struct acpi_hest_generic *generic, - const struct acpi_hest_generic_status *estatus) - { -- static atomic_t seqno; -+ static atomic_unchecked_t seqno; - unsigned int curr_seqno; - char pfx_seq[64]; - -@@ -489,7 +489,7 @@ static void __ghes_print_estatus(const char *pfx, - else - pfx = KERN_ERR; - } -- curr_seqno = atomic_inc_return(&seqno); -+ curr_seqno = atomic_inc_return_unchecked(&seqno); - snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}" HW_ERR, pfx, curr_seqno); - printk("%s""Hardware error from APEI Generic Hardware Error Source: %d\n", - pfx_seq, generic->header.source_id); -diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c -index a83e3c6..c3d617f 100644 ---- a/drivers/acpi/bgrt.c -+++ b/drivers/acpi/bgrt.c -@@ -86,8 +86,10 @@ static int __init bgrt_init(void) - if (!bgrt_image) - return -ENODEV; - -- bin_attr_image.private = bgrt_image; -- bin_attr_image.size = bgrt_image_size; -+ pax_open_kernel(); -+ *(void **)&bin_attr_image.private = bgrt_image; -+ *(size_t *)&bin_attr_image.size = bgrt_image_size; -+ pax_close_kernel(); - - bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); - if (!bgrt_kobj) -diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c -index 1d17919..315e955 100644 ---- a/drivers/acpi/blacklist.c -+++ b/drivers/acpi/blacklist.c -@@ -51,7 +51,7 @@ struct acpi_blacklist_item { - u32 is_critical_error; - }; - --static struct dmi_system_id acpi_osi_dmi_table[] __initdata; -+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst; - - /* - * POLICY: If *anything* doesn't work, put it on the blacklist. -@@ -163,7 +163,7 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { - { - .callback = dmi_disable_osi_vista, - .ident = "Fujitsu Siemens", -diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c -index 513e7230e..802015a 100644 ---- a/drivers/acpi/bus.c -+++ b/drivers/acpi/bus.c -@@ -67,7 +67,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id) - } - #endif - --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - /* - * Invoke DSDT corruption work-around on all Toshiba Satellite. - * https://bugzilla.kernel.org/show_bug.cgi?id=14679 -@@ -83,7 +83,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = { - {} - }; - #else --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - {} - }; - #endif -diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c -index c68e724..e863008 100644 ---- a/drivers/acpi/custom_method.c -+++ b/drivers/acpi/custom_method.c -@@ -29,6 +29,10 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, - struct acpi_table_header table; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - if (!(*ppos)) { - /* parse the table header to get the table length */ - if (count <= sizeof(struct acpi_table_header)) -diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c -index 8217e0b..3294cb6 100644 ---- a/drivers/acpi/device_pm.c -+++ b/drivers/acpi/device_pm.c -@@ -1026,6 +1026,8 @@ EXPORT_SYMBOL_GPL(acpi_subsys_freeze); - - #endif /* CONFIG_PM_SLEEP */ - -+static void acpi_dev_pm_detach(struct device *dev, bool power_off); -+ - static struct dev_pm_domain acpi_general_pm_domain = { - .ops = { - .runtime_suspend = acpi_subsys_runtime_suspend, -@@ -1042,6 +1044,7 @@ static struct dev_pm_domain acpi_general_pm_domain = { - .restore_early = acpi_subsys_resume_early, - #endif - }, -+ .detach = acpi_dev_pm_detach - }; - - /** -@@ -1111,7 +1114,6 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) - acpi_device_wakeup(adev, ACPI_STATE_S0, false); - } - -- dev->pm_domain->detach = acpi_dev_pm_detach; - return 0; - } - EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); -diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c -index 5e8fed4..d9bb545 100644 ---- a/drivers/acpi/ec.c -+++ b/drivers/acpi/ec.c -@@ -1293,7 +1293,7 @@ static int ec_clear_on_resume(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id ec_dmi_table[] __initdata = { -+static const struct dmi_system_id ec_dmi_table[] __initconst = { - { - ec_skip_dsdt_scan, "Compal JFL92", { - DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), -diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c -index 139d9e4..9a9d799 100644 ---- a/drivers/acpi/pci_slot.c -+++ b/drivers/acpi/pci_slot.c -@@ -195,7 +195,7 @@ static int do_sta_before_sun(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_pci_slot_dmi_table[] __initconst = { - /* - * Fujitsu Primequest machines will return 1023 to indicate an - * error if the _SUN method is evaluated on SxFy objects that -diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c -index d9f7158..168e742 100644 ---- a/drivers/acpi/processor_driver.c -+++ b/drivers/acpi/processor_driver.c -@@ -159,7 +159,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata acpi_cpu_notifier = { -+static struct notifier_block __refconst acpi_cpu_notifier = { - .notifier_call = acpi_cpu_soft_notify, - }; - -diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c -index 39e0c8e..b5ae20c 100644 ---- a/drivers/acpi/processor_idle.c -+++ b/drivers/acpi/processor_idle.c -@@ -910,7 +910,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) - { - int i, count = CPUIDLE_DRIVER_STATE_START; - struct acpi_processor_cx *cx; -- struct cpuidle_state *state; -+ cpuidle_state_no_const *state; - struct cpuidle_driver *drv = &acpi_idle_driver; - - if (!pr->flags.power_setup_done) -diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c -index e5dd808..1eceed1 100644 ---- a/drivers/acpi/processor_pdc.c -+++ b/drivers/acpi/processor_pdc.c -@@ -176,7 +176,7 @@ static int __init set_no_mwait(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id processor_idle_dmi_table[] __initdata = { -+static const struct dmi_system_id processor_idle_dmi_table[] __initconst = { - { - set_no_mwait, "Extensa 5220", { - DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), -diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c -index 2f0d4db..b9e9b15 100644 ---- a/drivers/acpi/sleep.c -+++ b/drivers/acpi/sleep.c -@@ -148,7 +148,7 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpisleep_dmi_table[] __initdata = { -+static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { - { - .callback = init_old_suspend_ordering, - .ident = "Abit KN9 (nForce4 variant)", -diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c -index 0876d77b..3ba0127 100644 ---- a/drivers/acpi/sysfs.c -+++ b/drivers/acpi/sysfs.c -@@ -423,11 +423,11 @@ static u32 num_counters; - static struct attribute **all_attrs; - static u32 acpi_gpe_count; - --static struct attribute_group interrupt_stats_attr_group = { -+static attribute_group_no_const interrupt_stats_attr_group = { - .name = "interrupts", - }; - --static struct kobj_attribute *counter_attrs; -+static kobj_attribute_no_const *counter_attrs; - - static void delete_gpe_attr_array(void) - { -diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c -index d24fa19..782f1e6 100644 ---- a/drivers/acpi/thermal.c -+++ b/drivers/acpi/thermal.c -@@ -1209,7 +1209,7 @@ static int thermal_psv(const struct dmi_system_id *d) { - return 0; - } - --static struct dmi_system_id thermal_dmi_table[] __initdata = { -+static const struct dmi_system_id thermal_dmi_table[] __initconst = { - /* - * Award BIOS on this AOpen makes thermal control almost worthless. - * http://bugzilla.kernel.org/show_bug.cgi?id=8842 -diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c -index cc79d3f..28adb33 100644 ---- a/drivers/acpi/video.c -+++ b/drivers/acpi/video.c -@@ -431,7 +431,7 @@ static int __init video_enable_native_backlight(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id video_dmi_table[] __initdata = { -+static const struct dmi_system_id video_dmi_table[] __initconst = { - /* - * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 - */ -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index 287c4ba..6a600bc 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -1252,7 +1252,7 @@ int ahci_kick_engine(struct ata_port *ap) - } - EXPORT_SYMBOL_GPL(ahci_kick_engine); - --static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, -+static int __intentional_overflow(-1) ahci_exec_polled_cmd(struct ata_port *ap, int pmp, - struct ata_taskfile *tf, int is_cmd, u16 flags, - unsigned long timeout_msec) - { -diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c -index e0064d1..e53c75e 100644 ---- a/drivers/ata/libata-core.c -+++ b/drivers/ata/libata-core.c -@@ -102,7 +102,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev); - static void ata_dev_xfermask(struct ata_device *dev); - static unsigned long ata_dev_blacklisted(const struct ata_device *dev); - --atomic_t ata_print_id = ATOMIC_INIT(0); -+atomic_unchecked_t ata_print_id = ATOMIC_INIT(0); - - struct ata_force_param { - const char *name; -@@ -4800,7 +4800,7 @@ void ata_qc_free(struct ata_queued_cmd *qc) - struct ata_port *ap; - unsigned int tag; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - ap = qc->ap; - - qc->flags = 0; -@@ -4817,7 +4817,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) - struct ata_port *ap; - struct ata_link *link; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); - ap = qc->ap; - link = qc->dev->link; -@@ -5924,6 +5924,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - return; - - spin_lock(&lock); -+ pax_open_kernel(); - - for (cur = ops->inherits; cur; cur = cur->inherits) { - void **inherit = (void **)cur; -@@ -5937,8 +5938,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - if (IS_ERR(*pp)) - *pp = NULL; - -- ops->inherits = NULL; -+ *(struct ata_port_operations **)&ops->inherits = NULL; - -+ pax_close_kernel(); - spin_unlock(&lock); - } - -@@ -6134,7 +6136,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) - - /* give ports names and add SCSI hosts */ - for (i = 0; i < host->n_ports; i++) { -- host->ports[i]->print_id = atomic_inc_return(&ata_print_id); -+ host->ports[i]->print_id = atomic_inc_return_unchecked(&ata_print_id); - host->ports[i]->local_port_no = i + 1; - } - -diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c -index 0d7f0da..bc20aa6 100644 ---- a/drivers/ata/libata-scsi.c -+++ b/drivers/ata/libata-scsi.c -@@ -4193,7 +4193,7 @@ int ata_sas_port_init(struct ata_port *ap) - - if (rc) - return rc; -- ap->print_id = atomic_inc_return(&ata_print_id); -+ ap->print_id = atomic_inc_return_unchecked(&ata_print_id); - return 0; - } - EXPORT_SYMBOL_GPL(ata_sas_port_init); -diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h -index f840ca1..edd6ef3 100644 ---- a/drivers/ata/libata.h -+++ b/drivers/ata/libata.h -@@ -53,7 +53,7 @@ enum { - ATA_DNXFER_QUIET = (1 << 31), - }; - --extern atomic_t ata_print_id; -+extern atomic_unchecked_t ata_print_id; - extern int atapi_passthru16; - extern int libata_fua; - extern int libata_noacpi; -diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c -index a9b0c82..207d97d 100644 ---- a/drivers/ata/pata_arasan_cf.c -+++ b/drivers/ata/pata_arasan_cf.c -@@ -865,7 +865,9 @@ static int arasan_cf_probe(struct platform_device *pdev) - /* Handle platform specific quirks */ - if (quirk) { - if (quirk & CF_BROKEN_PIO) { -- ap->ops->set_piomode = NULL; -+ pax_open_kernel(); -+ *(void **)&ap->ops->set_piomode = NULL; -+ pax_close_kernel(); - ap->pio_mask = 0; - } - if (quirk & CF_BROKEN_MWDMA) -diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c -index f9b983a..887b9d8 100644 ---- a/drivers/atm/adummy.c -+++ b/drivers/atm/adummy.c -@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c -index f1a9198..f466a4a 100644 ---- a/drivers/atm/ambassador.c -+++ b/drivers/atm/ambassador.c -@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) { - PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx); - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the descriptor - kfree (tx_descr); -@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - dump_skb ("<<<", vc, skb); - - // VC layer stats -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - atm_vcc->push (atm_vcc, skb); -@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - } else { - PRINTK (KERN_INFO, "dropped over-size frame"); - // should we count this? -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - } - - } else { -@@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) { - } - - if (check_area (skb->data, skb->len)) { -- atomic_inc(&atm_vcc->stats->tx_err); -+ atomic_inc_unchecked(&atm_vcc->stats->tx_err); - return -ENOMEM; // ? - } - -diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c -index 480fa6f..947067c 100644 ---- a/drivers/atm/atmtcp.c -+++ b/drivers/atm/atmtcp.c -@@ -206,7 +206,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - if (dev_data) return 0; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOLINK; - } - size = skb->len+sizeof(struct atmtcp_hdr); -@@ -214,7 +214,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (!new_skb) { - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOBUFS; - } - hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr)); -@@ -225,8 +225,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - return 0; - } - -@@ -300,7 +300,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - read_unlock(&vcc_sklist_lock); - if (!out_vcc) { - result = -EUNATCH; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - goto done; - } - skb_pull(skb,sizeof(struct atmtcp_hdr)); -@@ -312,8 +312,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - __net_timestamp(new_skb); - skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - done: - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c -index 6339efd..2b441d5 100644 ---- a/drivers/atm/eni.c -+++ b/drivers/atm/eni.c -@@ -525,7 +525,7 @@ static int rx_aal0(struct atm_vcc *vcc) - DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n", - vcc->dev->number); - length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - length = ATM_CELL_SIZE-1; /* no HEC */ -@@ -580,7 +580,7 @@ static int rx_aal5(struct atm_vcc *vcc) - size); - } - eff = length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2); -@@ -597,7 +597,7 @@ static int rx_aal5(struct atm_vcc *vcc) - "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n", - vcc->dev->number,vcc->vci,length,size << 2,descr); - length = eff = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL; -@@ -770,7 +770,7 @@ rx_dequeued++; - vcc->push(vcc,skb); - pushed++; - } -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - wake_up(&eni_dev->rx_wait); - } -@@ -1230,7 +1230,7 @@ static void dequeue_tx(struct atm_dev *dev) - DMA_TO_DEVICE); - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb_irq(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&eni_dev->tx_wait); - dma_complete++; - } -diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c -index 82f2ae0..f205c02 100644 ---- a/drivers/atm/firestream.c -+++ b/drivers/atm/firestream.c -@@ -749,7 +749,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q) - } - } - -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - fs_dprintk (FS_DEBUG_TXMEM, "i"); - fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb); -@@ -816,7 +816,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - #endif - skb_put (skb, qe->p1 & 0xffff); - ATM_SKB(skb)->vcc = atm_vcc; -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb); - atm_vcc->push (atm_vcc, skb); -@@ -837,12 +837,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - kfree (pe); - } - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - case 0x1f: /* Reassembly abort: no buffers. */ - /* Silently increment error counter. */ - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - default: /* Hmm. Haven't written the code to handle the others yet... -- REW */ - printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n", -diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c -index 75dde90..4309ead 100644 ---- a/drivers/atm/fore200e.c -+++ b/drivers/atm/fore200e.c -@@ -932,9 +932,9 @@ fore200e_tx_irq(struct fore200e* fore200e) - #endif - /* check error condition */ - if (*entry->status & STATUS_ERROR) -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - else -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - } - -@@ -1083,7 +1083,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - if (skb == NULL) { - DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - -@@ -1126,14 +1126,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - - dev_kfree_skb_any(skb); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - -@@ -1211,7 +1211,7 @@ fore200e_rx_irq(struct fore200e* fore200e) - DPRINTK(2, "damaged PDU on %d.%d.%d\n", - fore200e->atm_dev->number, - entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - -@@ -1656,7 +1656,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) - goto retry_here; - } - -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - - fore200e->tx_sat++; - DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", -diff --git a/drivers/atm/he.c b/drivers/atm/he.c -index 93dca2e..c5daa69 100644 ---- a/drivers/atm/he.c -+++ b/drivers/atm/he.c -@@ -1692,7 +1692,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - - if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) { - hprintk("HBUF_ERR! (cid 0x%x)\n", cid); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto return_host_buffers; - } - -@@ -1719,7 +1719,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - RBRQ_LEN_ERR(he_dev->rbrq_head) - ? "LEN_ERR" : "", - vcc->vpi, vcc->vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto return_host_buffers; - } - -@@ -1771,7 +1771,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - vcc->push(vcc, skb); - spin_lock(&he_dev->global_lock); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return_host_buffers: - ++pdus_assembled; -@@ -2097,7 +2097,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid) - tpd->vcc->pop(tpd->vcc, tpd->skb); - else - dev_kfree_skb_any(tpd->skb); -- atomic_inc(&tpd->vcc->stats->tx_err); -+ atomic_inc_unchecked(&tpd->vcc->stats->tx_err); - } - dma_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); - return; -@@ -2509,7 +2509,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - -@@ -2520,7 +2520,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - #endif -@@ -2532,7 +2532,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2574,7 +2574,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2605,7 +2605,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - __enqueue_tpd(he_dev, tpd, cid); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c -index 527bbd5..96570c8 100644 ---- a/drivers/atm/horizon.c -+++ b/drivers/atm/horizon.c -@@ -1018,7 +1018,7 @@ static void rx_schedule (hrz_dev * dev, int irq) { - { - struct atm_vcc * vcc = ATM_SKB(skb)->vcc; - // VC layer stats -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - vcc->push (vcc, skb); -@@ -1170,7 +1170,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) { - dev->tx_iovec = NULL; - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the skb - hrz_kfree_skb (skb); -diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c -index 074616b..d6b3d5f 100644 ---- a/drivers/atm/idt77252.c -+++ b/drivers/atm/idt77252.c -@@ -811,7 +811,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc) - else - dev_kfree_skb(skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - - atomic_dec(&scq->used); -@@ -1073,13 +1073,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for aal0.\n", - card->name); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK("%s: atm_charge() dropped aal0 packets.\n", - card->name); -- atomic_add(i - 1, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); - dev_kfree_skb(sb); - break; - } -@@ -1096,7 +1096,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - cell += ATM_CELL_PAYLOAD; - } -@@ -1133,13 +1133,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - "(CDC: %08x)\n", - card->name, len, rpp->len, readl(SAR_REG_CDC)); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (stat & SAR_RSQE_CRC) { - RXPRINTK("%s: AAL5 CRC error.\n", card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (skb_queue_len(&rpp->queue) > 1) { -@@ -1150,7 +1150,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - RXPRINTK("%s: Can't alloc RX skb.\n", - card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (!atm_charge(vcc, skb->truesize)) { -@@ -1169,7 +1169,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return; - } -@@ -1191,7 +1191,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - if (skb->truesize > SAR_FB_SIZE_3) - add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); -@@ -1302,14 +1302,14 @@ idt77252_rx_raw(struct idt77252_dev *card) - if (vcc->qos.aal != ATM_AAL0) { - RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n", - card->name, vpi, vci); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto drop; - } - - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for AAL0.\n", - card->name); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto drop; - } - -@@ -1328,7 +1328,7 @@ idt77252_rx_raw(struct idt77252_dev *card) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - drop: - skb_pull(queue, 64); -@@ -1953,13 +1953,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - if (vc == NULL) { - printk("%s: NULL connection in send().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - if (!test_bit(VCF_TX, &vc->flags)) { - printk("%s: Trying to transmit on a non-tx VC.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1971,14 +1971,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - break; - default: - printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("%s: No scatter-gather yet.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1986,7 +1986,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - err = queue_skb(card, vc, skb, oam); - if (err) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return err; - } -@@ -2009,7 +2009,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags) - skb = dev_alloc_skb(64); - if (!skb) { - printk("%s: Out of memory in send_oam().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOMEM; - } - atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); -diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c -index 924f8e2..3375a3e 100644 ---- a/drivers/atm/iphase.c -+++ b/drivers/atm/iphase.c -@@ -1145,7 +1145,7 @@ static int rx_pkt(struct atm_dev *dev) - status = (u_short) (buf_desc_ptr->desc_mode); - if (status & (RX_CER | RX_PTE | RX_OFL)) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("IA: bad packet, dropping it");) - if (status & RX_CER) { - IF_ERR(printk(" cause: packet CRC error\n");) -@@ -1168,7 +1168,7 @@ static int rx_pkt(struct atm_dev *dev) - len = dma_addr - buf_addr; - if (len > iadev->rx_buf_sz) { - printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out_free_desc; - } - -@@ -1318,7 +1318,7 @@ static void rx_dle_intr(struct atm_dev *dev) - ia_vcc = INPH_IA_VCC(vcc); - if (ia_vcc == NULL) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - atm_return(vcc, skb->truesize); - dev_kfree_skb_any(skb); - goto INCR_DLE; -@@ -1330,7 +1330,7 @@ static void rx_dle_intr(struct atm_dev *dev) - if ((length > iadev->rx_buf_sz) || (length > - (skb->len - sizeof(struct cpcs_trailer)))) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)", - length, skb->len);) - atm_return(vcc, skb->truesize); -@@ -1346,7 +1346,7 @@ static void rx_dle_intr(struct atm_dev *dev) - - IF_RX(printk("rx_dle_intr: skb push");) - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - iadev->rx_pkt_cnt++; - } - INCR_DLE: -@@ -2828,15 +2828,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg) - { - struct k_sonet_stats *stats; - stats = &PRIV(_ia_dev[board])->sonet_stats; -- printk("section_bip: %d\n", atomic_read(&stats->section_bip)); -- printk("line_bip : %d\n", atomic_read(&stats->line_bip)); -- printk("path_bip : %d\n", atomic_read(&stats->path_bip)); -- printk("line_febe : %d\n", atomic_read(&stats->line_febe)); -- printk("path_febe : %d\n", atomic_read(&stats->path_febe)); -- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs)); -- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs)); -- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells)); -- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells)); -+ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip)); -+ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip)); -+ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip)); -+ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe)); -+ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe)); -+ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs)); -+ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs)); -+ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells)); -+ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells)); - } - ia_cmds.status = 0; - break; -@@ -2941,7 +2941,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - if ((desc == 0) || (desc > iadev->num_tx_desc)) - { - IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);) -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - if (vcc->pop) - vcc->pop(vcc, skb); - else -@@ -3046,14 +3046,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - ATM_DESC(skb) = vcc->vci; - skb_queue_tail(&iadev->tx_dma_q, skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - iadev->tx_pkt_cnt++; - /* Increment transaction counter */ - writel(2, iadev->dma+IPHASE5575_TX_COUNTER); - - #if 0 - /* add flow control logic */ -- if (atomic_read(&vcc->stats->tx) % 20 == 0) { -+ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) { - if (iavcc->vc_desc_cnt > 10) { - vcc->tx_quota = vcc->tx_quota * 3 / 4; - printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota ); -diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c -index ce43ae3..969de38 100644 ---- a/drivers/atm/lanai.c -+++ b/drivers/atm/lanai.c -@@ -1295,7 +1295,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai, - vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0); - lanai_endtx(lanai, lvcc); - lanai_free_skb(lvcc->tx.atmvcc, skb); -- atomic_inc(&lvcc->tx.atmvcc->stats->tx); -+ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx); - } - - /* Try to fill the buffer - don't call unless there is backlog */ -@@ -1418,7 +1418,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr) - ATM_SKB(skb)->vcc = lvcc->rx.atmvcc; - __net_timestamp(skb); - lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx); - out: - lvcc->rx.buf.ptr = end; - cardvcc_write(lvcc, endptr, vcc_rxreadptr); -@@ -1659,7 +1659,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 " - "vcc %d\n", lanai->number, (unsigned int) s, vci); - lanai->stats.service_rxnotaal5++; -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - return 0; - } - if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) { -@@ -1671,7 +1671,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - int bytes; - read_unlock(&vcc_sklist_lock); - DPRINTK("got trashed rx pdu on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_trash++; - bytes = (SERVICE_GET_END(s) * 16) - - (((unsigned long) lvcc->rx.buf.ptr) - -@@ -1683,7 +1683,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - } - if (s & SERVICE_STREAM) { - read_unlock(&vcc_sklist_lock); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_stream++; - printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream " - "PDU on VCI %d!\n", lanai->number, vci); -@@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - return 0; - } - DPRINTK("got rx crc error on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_rxcrc++; - lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4]; - cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr); -diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c -index ddc4ceb..36e29aa 100644 ---- a/drivers/atm/nicstar.c -+++ b/drivers/atm/nicstar.c -@@ -1632,7 +1632,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if ((vc = (vc_map *) vcc->dev_data) == NULL) { - printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1640,7 +1640,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (!vc->tx) { - printk("nicstar%d: Trying to transmit on a non-tx VC.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1648,14 +1648,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) { - printk("nicstar%d: Only AAL0 and AAL5 are supported.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("nicstar%d: No scatter-gather yet.\n", card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1703,11 +1703,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - } - - if (push_scqe(card, vc, scq, &scqe, skb) != 0) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EIO; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -@@ -2024,14 +2024,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Can't allocate buffers for aal0.\n", - card->index); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK - ("nicstar%d: atm_charge() dropped aal0 packets.\n", - card->index); -- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ - dev_kfree_skb_any(sb); - break; - } -@@ -2046,7 +2046,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - cell += ATM_CELL_PAYLOAD; - } - -@@ -2063,7 +2063,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (iovb == NULL) { - printk("nicstar%d: Out of iovec buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_rx_buf(card, skb); - return; - } -@@ -2087,7 +2087,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - small or large buffer itself. */ - } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) { - printk("nicstar%d: received too big AAL5 SDU.\n", card->index); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_MAX_IOVECS); - NS_PRV_IOVCNT(iovb) = 0; -@@ -2107,7 +2107,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a small buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_rx_buf(card, skb); - vc->rx_iov = NULL; - recycle_iov_buf(card, iovb); -@@ -2120,7 +2120,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a large buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2143,7 +2143,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk(" - PDU size mismatch.\n"); - else - printk(".\n"); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2157,14 +2157,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - /* skb points to a small buffer */ - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(skb, len); - dequeue_sm_buf(card, skb); - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */ - struct sk_buff *sb; -@@ -2175,14 +2175,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (len <= NS_SMBUFSIZE) { - if (!atm_charge(vcc, sb->truesize)) { - push_rxbufs(card, sb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(sb, len); - dequeue_sm_buf(card, sb); - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, skb); -@@ -2191,7 +2191,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - dequeue_lg_buf(card, skb); - skb_push(skb, NS_SMBUFSIZE); -@@ -2201,7 +2201,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, sb); -@@ -2222,7 +2222,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Out of huge buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_iovec_rx_bufs(card, - (struct iovec *) - iovb->data, -@@ -2273,7 +2273,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - card->hbpool.count++; - } else - dev_kfree_skb_any(hb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - /* Copy the small buffer to the huge buffer */ - sb = (struct sk_buff *)iov->iov_base; -@@ -2307,7 +2307,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(hb)->vcc = vcc; - __net_timestamp(hb); - vcc->push(vcc, hb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } - -diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c -index 74e18b0..f16afa0 100644 ---- a/drivers/atm/solos-pci.c -+++ b/drivers/atm/solos-pci.c -@@ -838,7 +838,7 @@ static void solos_bh(unsigned long card_arg) - } - atm_charge(vcc, skb->truesize); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - break; - - case PKT_STATUS: -@@ -1116,7 +1116,7 @@ static uint32_t fpga_tx(struct solos_card *card) - vcc = SKB_CB(oldskb)->vcc; - - if (vcc) { -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - solos_pop(vcc, oldskb); - } else { - dev_kfree_skb_irq(oldskb); -diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c -index 0215934..ce9f5b1 100644 ---- a/drivers/atm/suni.c -+++ b/drivers/atm/suni.c -@@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock); - - - #define ADD_LIMITED(s,v) \ -- atomic_add((v),&stats->s); \ -- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX); -+ atomic_add_unchecked((v),&stats->s); \ -+ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX); - - - static void suni_hz(unsigned long from_timer) -diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c -index 5120a96..e2572bd 100644 ---- a/drivers/atm/uPD98402.c -+++ b/drivers/atm/uPD98402.c -@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze - struct sonet_stats tmp; - int error = 0; - -- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); -+ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); - sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp); - if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp)); - if (zero && !error) { -@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) - - - #define ADD_LIMITED(s,v) \ -- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \ -- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \ -- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); } -+ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \ -+ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \ -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); } - - - static void stat_event(struct atm_dev *dev) -@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev) - if (reason & uPD98402_INT_PFM) stat_event(dev); - if (reason & uPD98402_INT_PCO) { - (void) GET(PCOCR); /* clear interrupt cause */ -- atomic_add(GET(HECCT), -+ atomic_add_unchecked(GET(HECCT), - &PRIV(dev)->sonet_stats.uncorr_hcs); - } - if ((reason & uPD98402_INT_RFO) && -@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev) - PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO | - uPD98402_INT_LOS),PIMR); /* enable them */ - (void) fetch_stats(dev,NULL,1); /* clear kernel counters */ -- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1); -- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1); -- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1); - return 0; - } - -diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c -index cecfb94..87009ec 100644 ---- a/drivers/atm/zatm.c -+++ b/drivers/atm/zatm.c -@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - } - if (!size) { - dev_kfree_skb_irq(skb); -- if (vcc) atomic_inc(&vcc->stats->rx_err); -+ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err); - continue; - } - if (!atm_charge(vcc,skb->truesize)) { -@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - skb->len = size; - ATM_SKB(skb)->vcc = vcc; - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - zout(pos & 0xffff,MTA(mbx)); - #if 0 /* probably a stupid idea */ -@@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP | - skb_queue_head(&zatm_vcc->backlog,skb); - break; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&zatm_vcc->tx_wait); - } - -diff --git a/drivers/base/bus.c b/drivers/base/bus.c -index 79bc203..fa3945b 100644 ---- a/drivers/base/bus.c -+++ b/drivers/base/bus.c -@@ -1126,7 +1126,7 @@ int subsys_interface_register(struct subsys_interface *sif) - return -EINVAL; - - mutex_lock(&subsys->p->mutex); -- list_add_tail(&sif->node, &subsys->p->interfaces); -+ pax_list_add_tail((struct list_head *)&sif->node, &subsys->p->interfaces); - if (sif->add_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -@@ -1151,7 +1151,7 @@ void subsys_interface_unregister(struct subsys_interface *sif) - subsys = sif->subsys; - - mutex_lock(&subsys->p->mutex); -- list_del_init(&sif->node); -+ pax_list_del_init((struct list_head *)&sif->node); - if (sif->remove_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c -index 68f0314..ca2a609 100644 ---- a/drivers/base/devtmpfs.c -+++ b/drivers/base/devtmpfs.c -@@ -354,7 +354,7 @@ int devtmpfs_mount(const char *mntdir) - if (!thread) - return 0; - -- err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL); -+ err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL); - if (err) - printk(KERN_INFO "devtmpfs: error mounting %i\n", err); - else -@@ -380,11 +380,11 @@ static int devtmpfsd(void *p) - *err = sys_unshare(CLONE_NEWNS); - if (*err) - goto out; -- *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options); -+ *err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)"/", (char __force_user *)"devtmpfs", MS_SILENT, (char __force_user *)options); - if (*err) - goto out; -- sys_chdir("/.."); /* will traverse into overmounted root */ -- sys_chroot("."); -+ sys_chdir((char __force_user *)"/.."); /* will traverse into overmounted root */ -+ sys_chroot((char __force_user *)"."); - complete(&setup_done); - while (1) { - spin_lock(&req_lock); -diff --git a/drivers/base/node.c b/drivers/base/node.c -index a2aa65b..8831326 100644 ---- a/drivers/base/node.c -+++ b/drivers/base/node.c -@@ -613,7 +613,7 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) - struct node_attr { - struct device_attribute attr; - enum node_states state; --}; -+} __do_const; - - static ssize_t show_node_state(struct device *dev, - struct device_attribute *attr, char *buf) -diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c -index 2327613..211d7f5 100644 ---- a/drivers/base/power/domain.c -+++ b/drivers/base/power/domain.c -@@ -1725,7 +1725,7 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state) - { - struct cpuidle_driver *cpuidle_drv; - struct gpd_cpuidle_data *cpuidle_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd) || state < 0) -@@ -1793,7 +1793,7 @@ int pm_genpd_name_attach_cpuidle(const char *name, int state) - int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd) - { - struct gpd_cpuidle_data *cpuidle_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd)) -@@ -2222,8 +2222,11 @@ int genpd_dev_pm_attach(struct device *dev) - return ret; - } - -- dev->pm_domain->detach = genpd_dev_pm_detach; -- dev->pm_domain->sync = genpd_dev_pm_sync; -+ pax_open_kernel(); -+ *(void **)&dev->pm_domain->detach = genpd_dev_pm_detach; -+ *(void **)&dev->pm_domain->sync = genpd_dev_pm_sync; -+ pax_close_kernel(); -+ - pm_genpd_poweron(pd); - - return 0; -diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c -index d2be3f9..0a3167a 100644 ---- a/drivers/base/power/sysfs.c -+++ b/drivers/base/power/sysfs.c -@@ -181,7 +181,7 @@ static ssize_t rtpm_status_show(struct device *dev, - return -EIO; - } - } -- return sprintf(buf, p); -+ return sprintf(buf, "%s", p); - } - - static DEVICE_ATTR(runtime_status, 0444, rtpm_status_show, NULL); -diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c -index 7726200..a417da7 100644 ---- a/drivers/base/power/wakeup.c -+++ b/drivers/base/power/wakeup.c -@@ -32,14 +32,14 @@ static bool pm_abort_suspend __read_mostly; - * They need to be modified together atomically, so it's better to use one - * atomic variable to hold them both. - */ --static atomic_t combined_event_count = ATOMIC_INIT(0); -+static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0); - - #define IN_PROGRESS_BITS (sizeof(int) * 4) - #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1) - - static void split_counters(unsigned int *cnt, unsigned int *inpr) - { -- unsigned int comb = atomic_read(&combined_event_count); -+ unsigned int comb = atomic_read_unchecked(&combined_event_count); - - *cnt = (comb >> IN_PROGRESS_BITS); - *inpr = comb & MAX_IN_PROGRESS; -@@ -404,7 +404,7 @@ static void wakeup_source_activate(struct wakeup_source *ws) - ws->start_prevent_time = ws->last_time; - - /* Increment the counter of events in progress. */ -- cec = atomic_inc_return(&combined_event_count); -+ cec = atomic_inc_return_unchecked(&combined_event_count); - - trace_wakeup_source_activate(ws->name, cec); - } -@@ -530,7 +530,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws) - * Increment the counter of registered wakeup events and decrement the - * couter of wakeup events in progress simultaneously. - */ -- cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count); -+ cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count); - trace_wakeup_source_deactivate(ws->name, cec); - - split_counters(&cnt, &inpr); -diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c -index 8d98a32..61d3165 100644 ---- a/drivers/base/syscore.c -+++ b/drivers/base/syscore.c -@@ -22,7 +22,7 @@ static DEFINE_MUTEX(syscore_ops_lock); - void register_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_add_tail(&ops->node, &syscore_ops_list); -+ pax_list_add_tail((struct list_head *)&ops->node, &syscore_ops_list); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(register_syscore_ops); -@@ -34,7 +34,7 @@ EXPORT_SYMBOL_GPL(register_syscore_ops); - void unregister_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_del(&ops->node); -+ pax_list_del((struct list_head *)&ops->node); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(unregister_syscore_ops); -diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c -index ff20f19..018f1da 100644 ---- a/drivers/block/cciss.c -+++ b/drivers/block/cciss.c -@@ -3008,7 +3008,7 @@ static void start_io(ctlr_info_t *h) - while (!list_empty(&h->reqQ)) { - c = list_entry(h->reqQ.next, CommandList_struct, list); - /* can't do anything if fifo is full */ -- if ((h->access.fifo_full(h))) { -+ if ((h->access->fifo_full(h))) { - dev_warn(&h->pdev->dev, "fifo full\n"); - break; - } -@@ -3018,7 +3018,7 @@ static void start_io(ctlr_info_t *h) - h->Qdepth--; - - /* Tell the controller execute command */ -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - - /* Put job onto the completed Q */ - addQ(&h->cmpQ, c); -@@ -3444,17 +3444,17 @@ startio: - - static inline unsigned long get_next_completion(ctlr_info_t *h) - { -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - } - - static inline int interrupt_pending(ctlr_info_t *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(ctlr_info_t *h) - { -- return ((h->access.intr_pending(h) == 0) || -+ return ((h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0)); - } - -@@ -3487,7 +3487,7 @@ static inline u32 next_command(ctlr_info_t *h) - u32 a; - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - - if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { - a = *(h->reply_pool_head); /* Next cmd in ring buffer */ -@@ -4044,7 +4044,7 @@ static void cciss_put_controller_into_performant_mode(ctlr_info_t *h) - trans_support & CFGTBL_Trans_use_short_tags); - - /* Change the access methods to the performant access methods */ -- h->access = SA5_performant_access; -+ h->access = &SA5_performant_access; - h->transMethod = CFGTBL_Trans_Performant; - - return; -@@ -4318,7 +4318,7 @@ static int cciss_pci_init(ctlr_info_t *h) - if (prod_index < 0) - return -ENODEV; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - if (cciss_board_disabled(h)) { - dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); -@@ -5050,7 +5050,7 @@ reinit_after_soft_reset: - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx); - if (rc) - goto clean2; -@@ -5100,7 +5100,7 @@ reinit_after_soft_reset: - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - free_irq(h->intr[h->intr_mode], h); - rc = cciss_request_irq(h, cciss_msix_discard_completions, -@@ -5120,9 +5120,9 @@ reinit_after_soft_reset: - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -5145,7 +5145,7 @@ reinit_after_soft_reset: - cciss_scsi_setup(h); - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - - /* Get the firmware version */ - inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); -@@ -5217,7 +5217,7 @@ static void cciss_shutdown(struct pci_dev *pdev) - kfree(flush_buf); - if (return_code != IO_OK) - dev_warn(&h->pdev->dev, "Error flushing cache\n"); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - free_irq(h->intr[h->intr_mode], h); - } - -diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h -index 7fda30e..2f27946 100644 ---- a/drivers/block/cciss.h -+++ b/drivers/block/cciss.h -@@ -101,7 +101,7 @@ struct ctlr_info - /* information about each logical volume */ - drive_info_struct *drv[CISS_MAX_LUN]; - -- struct access_method access; -+ struct access_method *access; - - /* queue and queue Info */ - struct list_head reqQ; -@@ -402,27 +402,27 @@ static bool SA5_performant_intr_pending(ctlr_info_t *h) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_fifo_full, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5B_access = { -- SA5_submit_command, -- SA5B_intr_mask, -- SA5_fifo_full, -- SA5B_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5B_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5B_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_fifo_full, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c -index f749df9..5f8b9c4 100644 ---- a/drivers/block/cpqarray.c -+++ b/drivers/block/cpqarray.c -@@ -404,7 +404,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev) - if (register_blkdev(COMPAQ_SMART2_MAJOR+i, hba[i]->devname)) { - goto Enomem4; - } -- hba[i]->access.set_intr_mask(hba[i], 0); -+ hba[i]->access->set_intr_mask(hba[i], 0); - if (request_irq(hba[i]->intr, do_ida_intr, IRQF_SHARED, - hba[i]->devname, hba[i])) - { -@@ -459,7 +459,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev) - add_timer(&hba[i]->timer); - - /* Enable IRQ now that spinlock and rate limit timer are set up */ -- hba[i]->access.set_intr_mask(hba[i], FIFO_NOT_EMPTY); -+ hba[i]->access->set_intr_mask(hba[i], FIFO_NOT_EMPTY); - - for(j=0; j<NWD; j++) { - struct gendisk *disk = ida_gendisk[i][j]; -@@ -694,7 +694,7 @@ DBGINFO( - for(i=0; i<NR_PRODUCTS; i++) { - if (board_id == products[i].board_id) { - c->product_name = products[i].product_name; -- c->access = *(products[i].access); -+ c->access = products[i].access; - break; - } - } -@@ -792,7 +792,7 @@ static int cpqarray_eisa_detect(void) - hba[ctlr]->intr = intr; - sprintf(hba[ctlr]->devname, "ida%d", nr_ctlr); - hba[ctlr]->product_name = products[j].product_name; -- hba[ctlr]->access = *(products[j].access); -+ hba[ctlr]->access = products[j].access; - hba[ctlr]->ctlr = ctlr; - hba[ctlr]->board_id = board_id; - hba[ctlr]->pci_dev = NULL; /* not PCI */ -@@ -978,7 +978,7 @@ static void start_io(ctlr_info_t *h) - - while((c = h->reqQ) != NULL) { - /* Can't do anything if we're busy */ -- if (h->access.fifo_full(h) == 0) -+ if (h->access->fifo_full(h) == 0) - return; - - /* Get the first entry from the request Q */ -@@ -986,7 +986,7 @@ static void start_io(ctlr_info_t *h) - h->Qdepth--; - - /* Tell the controller to do our bidding */ -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - - /* Get onto the completion Q */ - addQ(&h->cmpQ, c); -@@ -1048,7 +1048,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id) - unsigned long flags; - __u32 a,a1; - -- istat = h->access.intr_pending(h); -+ istat = h->access->intr_pending(h); - /* Is this interrupt for us? */ - if (istat == 0) - return IRQ_NONE; -@@ -1059,7 +1059,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id) - */ - spin_lock_irqsave(IDA_LOCK(h->ctlr), flags); - if (istat & FIFO_NOT_EMPTY) { -- while((a = h->access.command_completed(h))) { -+ while((a = h->access->command_completed(h))) { - a1 = a; a &= ~3; - if ((c = h->cmpQ) == NULL) - { -@@ -1448,11 +1448,11 @@ static int sendcmd( - /* - * Disable interrupt - */ -- info_p->access.set_intr_mask(info_p, 0); -+ info_p->access->set_intr_mask(info_p, 0); - /* Make sure there is room in the command FIFO */ - /* Actually it should be completely empty at this time. */ - for (i = 200000; i > 0; i--) { -- temp = info_p->access.fifo_full(info_p); -+ temp = info_p->access->fifo_full(info_p); - if (temp != 0) { - break; - } -@@ -1465,7 +1465,7 @@ DBG( - /* - * Send the cmd - */ -- info_p->access.submit_command(info_p, c); -+ info_p->access->submit_command(info_p, c); - complete = pollcomplete(ctlr); - - pci_unmap_single(info_p->pci_dev, (dma_addr_t) c->req.sg[0].addr, -@@ -1548,9 +1548,9 @@ static int revalidate_allvol(ctlr_info_t *host) - * we check the new geometry. Then turn interrupts back on when - * we're done. - */ -- host->access.set_intr_mask(host, 0); -+ host->access->set_intr_mask(host, 0); - getgeometry(ctlr); -- host->access.set_intr_mask(host, FIFO_NOT_EMPTY); -+ host->access->set_intr_mask(host, FIFO_NOT_EMPTY); - - for(i=0; i<NWD; i++) { - struct gendisk *disk = ida_gendisk[ctlr][i]; -@@ -1590,7 +1590,7 @@ static int pollcomplete(int ctlr) - /* Wait (up to 2 seconds) for a command to complete */ - - for (i = 200000; i > 0; i--) { -- done = hba[ctlr]->access.command_completed(hba[ctlr]); -+ done = hba[ctlr]->access->command_completed(hba[ctlr]); - if (done == 0) { - udelay(10); /* a short fixed delay */ - } else -diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h -index be73e9d..7fbf140 100644 ---- a/drivers/block/cpqarray.h -+++ b/drivers/block/cpqarray.h -@@ -99,7 +99,7 @@ struct ctlr_info { - drv_info_t drv[NWD]; - struct proc_dir_entry *proc; - -- struct access_method access; -+ struct access_method *access; - - cmdlist_t *reqQ; - cmdlist_t *cmpQ; -diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c -index 434c77d..6d3219a 100644 ---- a/drivers/block/drbd/drbd_bitmap.c -+++ b/drivers/block/drbd/drbd_bitmap.c -@@ -1036,7 +1036,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho - submit_bio(rw, bio); - /* this should not count as user activity and cause the - * resync to throttle -- see drbd_rs_should_slow_down(). */ -- atomic_add(len >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(len >> 9, &device->rs_sect_ev); - } - } - -diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h -index b905e98..0812ed8 100644 ---- a/drivers/block/drbd/drbd_int.h -+++ b/drivers/block/drbd/drbd_int.h -@@ -385,7 +385,7 @@ struct drbd_epoch { - struct drbd_connection *connection; - struct list_head list; - unsigned int barrier_nr; -- atomic_t epoch_size; /* increased on every request added. */ -+ atomic_unchecked_t epoch_size; /* increased on every request added. */ - atomic_t active; /* increased on every req. added, and dec on every finished. */ - unsigned long flags; - }; -@@ -946,7 +946,7 @@ struct drbd_device { - unsigned int al_tr_number; - int al_tr_cycle; - wait_queue_head_t seq_wait; -- atomic_t packet_seq; -+ atomic_unchecked_t packet_seq; - unsigned int peer_seq; - spinlock_t peer_seq_lock; - unsigned long comm_bm_set; /* communicated number of set bits. */ -@@ -955,8 +955,8 @@ struct drbd_device { - struct mutex own_state_mutex; - struct mutex *state_mutex; /* either own_state_mutex or first_peer_device(device)->connection->cstate_mutex */ - char congestion_reason; /* Why we where congested... */ -- atomic_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -- atomic_t rs_sect_ev; /* for submitted resync data rate, both */ -+ atomic_unchecked_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -+ atomic_unchecked_t rs_sect_ev; /* for submitted resync data rate, both */ - int rs_last_sect_ev; /* counter to compare with */ - int rs_last_events; /* counter of read or write "events" (unit sectors) - * on the lower level device when we last looked. */ -diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c -index 81fde9e..9948c05 100644 ---- a/drivers/block/drbd/drbd_main.c -+++ b/drivers/block/drbd/drbd_main.c -@@ -1328,7 +1328,7 @@ static int _drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet - p->sector = sector; - p->block_id = block_id; - p->blksize = blksize; -- p->seq_num = cpu_to_be32(atomic_inc_return(&peer_device->device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&peer_device->device->packet_seq)); - return drbd_send_command(peer_device, sock, cmd, sizeof(*p), NULL, 0); - } - -@@ -1634,7 +1634,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * - return -EIO; - p->sector = cpu_to_be64(req->i.sector); - p->block_id = (unsigned long)req; -- p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&device->packet_seq)); - dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw); - if (device->state.conn >= C_SYNC_SOURCE && - device->state.conn <= C_PAUSED_SYNC_T) -@@ -1915,8 +1915,8 @@ void drbd_init_set_defaults(struct drbd_device *device) - atomic_set(&device->unacked_cnt, 0); - atomic_set(&device->local_cnt, 0); - atomic_set(&device->pp_in_use_by_net, 0); -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - atomic_set(&device->ap_in_flight, 0); - atomic_set(&device->md_io.in_use, 0); - -@@ -2683,8 +2683,8 @@ void drbd_destroy_connection(struct kref *kref) - struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref); - struct drbd_resource *resource = connection->resource; - -- if (atomic_read(&connection->current_epoch->epoch_size) != 0) -- drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size)); -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size) != 0) -+ drbd_err(connection, "epoch_size:%d\n", atomic_read_unchecked(&connection->current_epoch->epoch_size)); - kfree(connection->current_epoch); - - idr_destroy(&connection->peer_devices); -diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c -index 74df8cf..e41fc24 100644 ---- a/drivers/block/drbd/drbd_nl.c -+++ b/drivers/block/drbd/drbd_nl.c -@@ -3637,13 +3637,13 @@ finish: - - void drbd_bcast_event(struct drbd_device *device, const struct sib_info *sib) - { -- static atomic_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ -+ static atomic_unchecked_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ - struct sk_buff *msg; - struct drbd_genlmsghdr *d_out; - unsigned seq; - int err = -ENOMEM; - -- seq = atomic_inc_return(&drbd_genl_seq); -+ seq = atomic_inc_return_unchecked(&drbd_genl_seq); - msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - if (!msg) - goto failed; -diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c -index cee2035..22f66bd 100644 ---- a/drivers/block/drbd/drbd_receiver.c -+++ b/drivers/block/drbd/drbd_receiver.c -@@ -870,7 +870,7 @@ int drbd_connected(struct drbd_peer_device *peer_device) - struct drbd_device *device = peer_device->device; - int err; - -- atomic_set(&device->packet_seq, 0); -+ atomic_set_unchecked(&device->packet_seq, 0); - device->peer_seq = 0; - - device->state_mutex = peer_device->connection->agreed_pro_version < 100 ? -@@ -1233,7 +1233,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - do { - next_epoch = NULL; - -- epoch_size = atomic_read(&epoch->epoch_size); -+ epoch_size = atomic_read_unchecked(&epoch->epoch_size); - - switch (ev & ~EV_CLEANUP) { - case EV_PUT: -@@ -1273,7 +1273,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - rv = FE_DESTROYED; - } else { - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - /* atomic_set(&epoch->active, 0); is already zero */ - if (rv == FE_STILL_LIVE) - rv = FE_RECYCLED; -@@ -1550,7 +1550,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - conn_wait_active_ee_empty(connection); - drbd_flush(connection); - -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (epoch) - break; -@@ -1564,11 +1564,11 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - } - - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - atomic_set(&epoch->active, 0); - - spin_lock(&connection->epoch_lock); -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - list_add(&epoch->list, &connection->current_epoch->list); - connection->current_epoch = epoch; - connection->epochs++; -@@ -1802,7 +1802,7 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto - list_add_tail(&peer_req->w.list, &device->sync_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(pi->size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, WRITE, DRBD_FAULT_RS_WR) == 0) - return 0; - -@@ -1900,7 +1900,7 @@ static int receive_RSDataReply(struct drbd_connection *connection, struct packet - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); - } - -- atomic_add(pi->size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_in); - - return err; - } -@@ -2290,7 +2290,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - err = wait_for_and_update_peer_seq(peer_device, peer_seq); - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); -- atomic_inc(&connection->current_epoch->epoch_size); -+ atomic_inc_unchecked(&connection->current_epoch->epoch_size); - err2 = drbd_drain_block(peer_device, pi->size); - if (!err) - err = err2; -@@ -2334,7 +2334,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - spin_lock(&connection->epoch_lock); - peer_req->epoch = connection->current_epoch; -- atomic_inc(&peer_req->epoch->epoch_size); -+ atomic_inc_unchecked(&peer_req->epoch->epoch_size); - atomic_inc(&peer_req->epoch->active); - spin_unlock(&connection->epoch_lock); - -@@ -2479,7 +2479,7 @@ bool drbd_rs_c_min_rate_throttle(struct drbd_device *device) - - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&device->rs_sect_ev); -+ atomic_read_unchecked(&device->rs_sect_ev); - - if (atomic_read(&device->ap_actlog_cnt) - || curr_events - device->rs_last_events > 64) { -@@ -2618,7 +2618,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - device->use_csums = true; - } else if (pi->cmd == P_OV_REPLY) { - /* track progress, we may need to throttle */ -- atomic_add(size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_in); - peer_req->w.cb = w_e_end_ov_reply; - dec_rs_pending(device); - /* drbd_rs_begin_io done when we sent this request, -@@ -2691,7 +2691,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - goto out_free_e; - - submit_for_resync: -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - - submit: - update_receiver_timing_details(connection, drbd_submit_peer_request); -@@ -4564,7 +4564,7 @@ struct data_cmd { - int expect_payload; - size_t pkt_size; - int (*fn)(struct drbd_connection *, struct packet_info *); --}; -+} __do_const; - - static struct data_cmd drbd_cmd_handler[] = { - [P_DATA] = { 1, sizeof(struct p_data), receive_Data }, -@@ -4678,7 +4678,7 @@ static void conn_disconnect(struct drbd_connection *connection) - if (!list_empty(&connection->current_epoch->list)) - drbd_err(connection, "ASSERTION FAILED: connection->current_epoch->list not empty\n"); - /* ok, no more ee's on the fly, it is safe to reset the epoch_size */ -- atomic_set(&connection->current_epoch->epoch_size, 0); -+ atomic_set_unchecked(&connection->current_epoch->epoch_size, 0); - connection->send.seen_any_write_yet = false; - - drbd_info(connection, "Connection closed\n"); -@@ -5182,7 +5182,7 @@ static int got_IsInSync(struct drbd_connection *connection, struct packet_info * - put_ldev(device); - } - dec_rs_pending(device); -- atomic_add(blksize >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(blksize >> 9, &device->rs_sect_in); - - return 0; - } -@@ -5470,7 +5470,7 @@ static int connection_finish_peer_reqs(struct drbd_connection *connection) - struct asender_cmd { - size_t pkt_size; - int (*fn)(struct drbd_connection *connection, struct packet_info *); --}; -+} __do_const; - - static struct asender_cmd asender_tbl[] = { - [P_PING] = { 0, got_Ping }, -diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c -index d0fae55..4469096 100644 ---- a/drivers/block/drbd/drbd_worker.c -+++ b/drivers/block/drbd/drbd_worker.c -@@ -408,7 +408,7 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, - list_add_tail(&peer_req->w.list, &device->read_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, READ, DRBD_FAULT_RS_RD) == 0) - return 0; - -@@ -553,7 +553,7 @@ static int drbd_rs_number_requests(struct drbd_device *device) - unsigned int sect_in; /* Number of sectors that came in since the last turn */ - int number, mxb; - -- sect_in = atomic_xchg(&device->rs_sect_in, 0); -+ sect_in = atomic_xchg_unchecked(&device->rs_sect_in, 0); - device->rs_in_flight -= sect_in; - - rcu_read_lock(); -@@ -1595,8 +1595,8 @@ void drbd_rs_controller_reset(struct drbd_device *device) - struct gendisk *disk = device->ldev->backing_bdev->bd_contains->bd_disk; - struct fifo_buffer *plan; - -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - device->rs_in_flight = 0; - device->rs_last_events = - (int)part_stat_read(&disk->part0, sectors[0]) + -diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c -index 09e628da..7607aaa 100644 ---- a/drivers/block/pktcdvd.c -+++ b/drivers/block/pktcdvd.c -@@ -108,7 +108,7 @@ static int pkt_seq_show(struct seq_file *m, void *p); - - static sector_t get_zone(sector_t sector, struct pktcdvd_device *pd) - { -- return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1); -+ return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1UL); - } - - /* -@@ -1890,7 +1890,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) - return -EROFS; - } - pd->settings.fp = ti.fp; -- pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); -+ pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1UL); - - if (ti.nwa_v) { - pd->nwa = be32_to_cpu(ti.next_writable); -diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c -index 010ce0b..7c0049e 100644 ---- a/drivers/block/rbd.c -+++ b/drivers/block/rbd.c -@@ -64,7 +64,7 @@ - * If the counter is already at its maximum value returns - * -EINVAL without updating it. - */ --static int atomic_inc_return_safe(atomic_t *v) -+static int __intentional_overflow(-1) atomic_inc_return_safe(atomic_t *v) - { - unsigned int counter; - -diff --git a/drivers/block/smart1,2.h b/drivers/block/smart1,2.h -index e5565fb..71be10b4 100644 ---- a/drivers/block/smart1,2.h -+++ b/drivers/block/smart1,2.h -@@ -108,11 +108,11 @@ static unsigned long smart4_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart4_access = { -- smart4_submit_command, -- smart4_intr_mask, -- smart4_fifo_full, -- smart4_intr_pending, -- smart4_completed, -+ .submit_command = smart4_submit_command, -+ .set_intr_mask = smart4_intr_mask, -+ .fifo_full = smart4_fifo_full, -+ .intr_pending = smart4_intr_pending, -+ .command_completed = smart4_completed, - }; - - /* -@@ -144,11 +144,11 @@ static unsigned long smart2_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2_access = { -- smart2_submit_command, -- smart2_intr_mask, -- smart2_fifo_full, -- smart2_intr_pending, -- smart2_completed, -+ .submit_command = smart2_submit_command, -+ .set_intr_mask = smart2_intr_mask, -+ .fifo_full = smart2_fifo_full, -+ .intr_pending = smart2_intr_pending, -+ .command_completed = smart2_completed, - }; - - /* -@@ -180,11 +180,11 @@ static unsigned long smart2e_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2e_access = { -- smart2e_submit_command, -- smart2e_intr_mask, -- smart2e_fifo_full, -- smart2e_intr_pending, -- smart2e_completed, -+ .submit_command = smart2e_submit_command, -+ .set_intr_mask = smart2e_intr_mask, -+ .fifo_full = smart2e_fifo_full, -+ .intr_pending = smart2e_intr_pending, -+ .command_completed = smart2e_completed, - }; - - /* -@@ -270,9 +270,9 @@ static unsigned long smart1_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart1_access = { -- smart1_submit_command, -- smart1_intr_mask, -- smart1_fifo_full, -- smart1_intr_pending, -- smart1_completed, -+ .submit_command = smart1_submit_command, -+ .set_intr_mask = smart1_intr_mask, -+ .fifo_full = smart1_fifo_full, -+ .intr_pending = smart1_intr_pending, -+ .command_completed = smart1_completed, - }; -diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c -index 55c135b..9f8d60c 100644 ---- a/drivers/bluetooth/btwilink.c -+++ b/drivers/bluetooth/btwilink.c -@@ -288,7 +288,7 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb) - - static int bt_ti_probe(struct platform_device *pdev) - { -- static struct ti_st *hst; -+ struct ti_st *hst; - struct hci_dev *hdev; - int err; - -diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c -index 5d28a45..a538f90 100644 ---- a/drivers/cdrom/cdrom.c -+++ b/drivers/cdrom/cdrom.c -@@ -610,7 +610,6 @@ int register_cdrom(struct cdrom_device_info *cdi) - ENSURE(reset, CDC_RESET); - ENSURE(generic_packet, CDC_GENERIC_PACKET); - cdi->mc_flags = 0; -- cdo->n_minors = 0; - cdi->options = CDO_USE_FFLAGS; - - if (autoclose == 1 && CDROM_CAN(CDC_CLOSE_TRAY)) -@@ -630,8 +629,11 @@ int register_cdrom(struct cdrom_device_info *cdi) - else - cdi->cdda_method = CDDA_OLD; - -- if (!cdo->generic_packet) -- cdo->generic_packet = cdrom_dummy_generic_packet; -+ if (!cdo->generic_packet) { -+ pax_open_kernel(); -+ *(void **)&cdo->generic_packet = cdrom_dummy_generic_packet; -+ pax_close_kernel(); -+ } - - cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name); - mutex_lock(&cdrom_mutex); -@@ -652,7 +654,6 @@ void unregister_cdrom(struct cdrom_device_info *cdi) - if (cdi->exit) - cdi->exit(cdi); - -- cdi->ops->n_minors--; - cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" unregistered\n", cdi->name); - } - -@@ -2126,7 +2127,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf, - */ - nr = nframes; - do { -- cgc.buffer = kmalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL); -+ cgc.buffer = kzalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL); - if (cgc.buffer) - break; - -@@ -3434,7 +3435,7 @@ static int cdrom_print_info(const char *header, int val, char *info, - struct cdrom_device_info *cdi; - int ret; - -- ret = scnprintf(info + *pos, max_size - *pos, header); -+ ret = scnprintf(info + *pos, max_size - *pos, "%s", header); - if (!ret) - return 1; - -diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c -index 584bc31..e64a12c 100644 ---- a/drivers/cdrom/gdrom.c -+++ b/drivers/cdrom/gdrom.c -@@ -491,7 +491,6 @@ static struct cdrom_device_ops gdrom_ops = { - .audio_ioctl = gdrom_audio_ioctl, - .capability = CDC_MULTI_SESSION | CDC_MEDIA_CHANGED | - CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R, -- .n_minors = 1, - }; - - static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode) -diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig -index a4af822..ed58cd1 100644 ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -17,7 +17,8 @@ config DEVMEM - - config DEVKMEM - bool "/dev/kmem virtual device support" -- default y -+ default n -+ depends on !GRKERNSEC_KMEM - help - Say Y here if you want to support the /dev/kmem device. The - /dev/kmem device is rarely used, but can be used for certain -@@ -586,6 +587,7 @@ config DEVPORT - bool - depends on !M68K - depends on ISA || PCI -+ depends on !GRKERNSEC_KMEM - default y - - source "drivers/s390/char/Kconfig" -diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c -index a48e05b..6bac831 100644 ---- a/drivers/char/agp/compat_ioctl.c -+++ b/drivers/char/agp/compat_ioctl.c -@@ -108,7 +108,7 @@ static int compat_agpioc_reserve_wrap(struct agp_file_private *priv, void __user - return -ENOMEM; - } - -- if (copy_from_user(usegment, (void __user *) ureserve.seg_list, -+ if (copy_from_user(usegment, (void __force_user *) ureserve.seg_list, - sizeof(*usegment) * ureserve.seg_count)) { - kfree(usegment); - kfree(ksegment); -diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c -index 09f17eb..8531d2f 100644 ---- a/drivers/char/agp/frontend.c -+++ b/drivers/char/agp/frontend.c -@@ -806,7 +806,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (copy_from_user(&reserve, arg, sizeof(struct agp_region))) - return -EFAULT; - -- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment)) -+ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv)) - return -EFAULT; - - client = agp_find_client_by_pid(reserve.pid); -@@ -836,7 +836,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (segment == NULL) - return -ENOMEM; - -- if (copy_from_user(segment, (void __user *) reserve.seg_list, -+ if (copy_from_user(segment, (void __force_user *) reserve.seg_list, - sizeof(struct agp_segment) * reserve.seg_count)) { - kfree(segment); - return -EFAULT; -diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c -index 4f94375..413694e 100644 ---- a/drivers/char/genrtc.c -+++ b/drivers/char/genrtc.c -@@ -273,6 +273,7 @@ static int gen_rtc_ioctl(struct file *file, - switch (cmd) { - - case RTC_PLL_GET: -+ memset(&pll, 0, sizeof(pll)); - if (get_rtc_pll(&pll)) - return -EINVAL; - else -diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c -index 5c0baa9..44011b1 100644 ---- a/drivers/char/hpet.c -+++ b/drivers/char/hpet.c -@@ -575,7 +575,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets, - } - - static int --hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, -+hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg, - struct hpet_info *info) - { - struct hpet_timer __iomem *timer; -diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c -index 3c1a123..a33c99f 100644 ---- a/drivers/char/i8k.c -+++ b/drivers/char/i8k.c -@@ -790,7 +790,7 @@ static const struct i8k_config_data i8k_config_data[] = { - }, - }; - --static struct dmi_system_id i8k_dmi_table[] __initdata = { -+static const struct dmi_system_id i8k_dmi_table[] __initconst = { - { - .ident = "Dell Inspiron", - .matches = { -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index bf75f63..359fa10 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -436,7 +436,7 @@ struct ipmi_smi { - struct proc_dir_entry *proc_dir; - char proc_dir_name[10]; - -- atomic_t stats[IPMI_NUM_STATS]; -+ atomic_unchecked_t stats[IPMI_NUM_STATS]; - - /* - * run_to_completion duplicate of smb_info, smi_info -@@ -468,9 +468,9 @@ static LIST_HEAD(smi_watchers); - static DEFINE_MUTEX(smi_watchers_mutex); - - #define ipmi_inc_stat(intf, stat) \ -- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]) - #define ipmi_get_stat(intf, stat) \ -- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])) - - static char *addr_src_to_str[] = { "invalid", "hotmod", "hardcoded", "SPMI", - "ACPI", "SMBIOS", "PCI", -@@ -2828,7 +2828,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, - INIT_LIST_HEAD(&intf->cmd_rcvrs); - init_waitqueue_head(&intf->waitq); - for (i = 0; i < IPMI_NUM_STATS; i++) -- atomic_set(&intf->stats[i], 0); -+ atomic_set_unchecked(&intf->stats[i], 0); - - intf->proc_dir = NULL; - -diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c -index 8a45e92..e41b1c7 100644 ---- a/drivers/char/ipmi/ipmi_si_intf.c -+++ b/drivers/char/ipmi/ipmi_si_intf.c -@@ -289,7 +289,7 @@ struct smi_info { - unsigned char slave_addr; - - /* Counters and things for the proc filesystem. */ -- atomic_t stats[SI_NUM_STATS]; -+ atomic_unchecked_t stats[SI_NUM_STATS]; - - struct task_struct *thread; - -@@ -298,9 +298,9 @@ struct smi_info { - }; - - #define smi_inc_stat(smi, stat) \ -- atomic_inc(&(smi)->stats[SI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat]) - #define smi_get_stat(smi, stat) \ -- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat])) - - #define SI_MAX_PARMS 4 - -@@ -3500,7 +3500,7 @@ static int try_smi_init(struct smi_info *new_smi) - atomic_set(&new_smi->req_events, 0); - new_smi->run_to_completion = false; - for (i = 0; i < SI_NUM_STATS; i++) -- atomic_set(&new_smi->stats[i], 0); -+ atomic_set_unchecked(&new_smi->stats[i], 0); - - new_smi->interrupt_disabled = true; - atomic_set(&new_smi->need_watch, 0); -diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index 6b1721f..fda9398 100644 ---- a/drivers/char/mem.c -+++ b/drivers/char/mem.c -@@ -18,6 +18,7 @@ - #include <linux/raw.h> - #include <linux/tty.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/ptrace.h> - #include <linux/device.h> - #include <linux/highmem.h> -@@ -36,6 +37,10 @@ - - #define DEVPORT_MINOR 4 - -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+extern const struct file_operations grsec_fops; -+#endif -+ - static inline unsigned long size_inside_page(unsigned long start, - unsigned long size) - { -@@ -67,9 +72,13 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_mem_readwrite(from, to); -+#else - printk(KERN_INFO - "Program %s tried to access /dev/mem between %Lx->%Lx.\n", - current->comm, from, to); -+#endif - return 0; - } - cursor += PAGE_SIZE; -@@ -77,6 +86,11 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - } - return 1; - } -+#elif defined(CONFIG_GRKERNSEC_KMEM) -+static inline int range_is_allowed(unsigned long pfn, unsigned long size) -+{ -+ return 0; -+} - #else - static inline int range_is_allowed(unsigned long pfn, unsigned long size) - { -@@ -124,7 +138,8 @@ static ssize_t read_mem(struct file *file, char __user *buf, - #endif - - while (count > 0) { -- unsigned long remaining; -+ unsigned long remaining = 0; -+ char *temp; - - sz = size_inside_page(p, count); - -@@ -140,7 +155,24 @@ static ssize_t read_mem(struct file *file, char __user *buf, - if (!ptr) - return -EFAULT; - -- remaining = copy_to_user(buf, ptr, sz); -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) { -+ unxlate_dev_mem_ptr(p, ptr); -+ return -ENOMEM; -+ } -+ remaining = probe_kernel_read(temp, ptr, sz); -+#else -+ temp = ptr; -+#endif -+ -+ if (!remaining) -+ remaining = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ - unxlate_dev_mem_ptr(p, ptr); - if (remaining) - return -EFAULT; -@@ -380,9 +412,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - size_t count, loff_t *ppos) - { - unsigned long p = *ppos; -- ssize_t low_count, read, sz; -+ ssize_t low_count, read, sz, err = 0; - char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ -- int err = 0; - - read = 0; - if (p < (unsigned long) high_memory) { -@@ -404,6 +435,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - } - #endif - while (low_count > 0) { -+ char *temp; -+ - sz = size_inside_page(p, low_count); - - /* -@@ -413,7 +446,23 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - */ - kbuf = xlate_dev_kmem_ptr((void *)p); - -- if (copy_to_user(buf, kbuf, sz)) -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) -+ return -ENOMEM; -+ err = probe_kernel_read(temp, kbuf, sz); -+#else -+ temp = kbuf; -+#endif -+ -+ if (!err) -+ err = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ -+ if (err) - return -EFAULT; - buf += sz; - p += sz; -@@ -802,6 +851,9 @@ static const struct memdev { - #ifdef CONFIG_PRINTK - [11] = { "kmsg", 0644, &kmsg_fops, 0 }, - #endif -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, 0 }, -+#endif - }; - - static int memory_open(struct inode *inode, struct file *filp) -@@ -863,7 +915,7 @@ static int __init chr_dev_init(void) - continue; - - device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor), -- NULL, devlist[minor].name); -+ NULL, "%s", devlist[minor].name); - } - - return tty_init(); -diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c -index 9df78e2..01ba9ae 100644 ---- a/drivers/char/nvram.c -+++ b/drivers/char/nvram.c -@@ -247,7 +247,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf, - - spin_unlock_irq(&rtc_lock); - -- if (copy_to_user(buf, contents, tmp - contents)) -+ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents)) - return -EFAULT; - - *ppos = i; -diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c -index 0ea9986..e7b07e4 100644 ---- a/drivers/char/pcmcia/synclink_cs.c -+++ b/drivers/char/pcmcia/synclink_cs.c -@@ -2345,7 +2345,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) entry, count=%d\n", -- __FILE__, __LINE__, info->device_name, port->count); -+ __FILE__, __LINE__, info->device_name, atomic_read(&port->count)); - - if (tty_port_close_start(port, tty, filp) == 0) - goto cleanup; -@@ -2363,7 +2363,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__, __LINE__, -- tty->driver->name, port->count); -+ tty->driver->name, atomic_read(&port->count)); - } - - /* Wait until the transmitter is empty. -@@ -2505,7 +2505,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_open(%s), old ref count = %d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - /* If port is closing, signal caller to try again */ - if (port->flags & ASYNC_CLOSING){ -@@ -2525,11 +2525,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - goto cleanup; - } - spin_lock(&port->lock); -- port->count++; -+ atomic_inc(&port->count); - spin_unlock(&port->lock); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (port->count == 1) { -+ if (atomic_read(&port->count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info, tty); - if (retval < 0) -@@ -3918,7 +3918,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -4022,7 +4022,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -4112,7 +4112,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n", __FILE__, dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/char/random.c b/drivers/char/random.c -index 9cd6968..6416f00 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -289,9 +289,6 @@ - /* - * To allow fractional bits to be tracked, the entropy_count field is - * denominated in units of 1/8th bits. -- * -- * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in -- * credit_entropy_bits() needs to be 64 bits wide. - */ - #define ENTROPY_SHIFT 3 - #define ENTROPY_BITS(r) ((r)->entropy_count >> ENTROPY_SHIFT) -@@ -439,9 +436,9 @@ struct entropy_store { - }; - - static void push_to_pool(struct work_struct *work); --static __u32 input_pool_data[INPUT_POOL_WORDS]; --static __u32 blocking_pool_data[OUTPUT_POOL_WORDS]; --static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS]; -+static __u32 input_pool_data[INPUT_POOL_WORDS] __latent_entropy; -+static __u32 blocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy; -+static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy; - - static struct entropy_store input_pool = { - .poolinfo = &poolinfo_table[0], -@@ -635,7 +632,7 @@ retry: - /* The +2 corresponds to the /4 in the denominator */ - - do { -- unsigned int anfrac = min(pnfrac, pool_size/2); -+ u64 anfrac = min(pnfrac, pool_size/2); - unsigned int add = - ((pool_size - entropy_count)*anfrac*3) >> s; - -@@ -1207,7 +1204,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, - - extract_buf(r, tmp); - i = min_t(int, nbytes, EXTRACT_SIZE); -- if (copy_to_user(buf, tmp, i)) { -+ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) { - ret = -EFAULT; - break; - } -@@ -1590,7 +1587,7 @@ static char sysctl_bootid[16]; - static int proc_do_uuid(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - unsigned char buf[64], tmp_uuid[16], *uuid; - - uuid = table->data; -@@ -1620,7 +1617,7 @@ static int proc_do_uuid(struct ctl_table *table, int write, - static int proc_do_entropy(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - int entropy_count; - - entropy_count = *(int *)table->data >> ENTROPY_SHIFT; -diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c -index e496dae..3db53b6 100644 ---- a/drivers/char/sonypi.c -+++ b/drivers/char/sonypi.c -@@ -54,6 +54,7 @@ - - #include <asm/uaccess.h> - #include <asm/io.h> -+#include <asm/local.h> - - #include <linux/sonypi.h> - -@@ -490,7 +491,7 @@ static struct sonypi_device { - spinlock_t fifo_lock; - wait_queue_head_t fifo_proc_list; - struct fasync_struct *fifo_async; -- int open_count; -+ local_t open_count; - int model; - struct input_dev *input_jog_dev; - struct input_dev *input_key_dev; -@@ -892,7 +893,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on) - static int sonypi_misc_release(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); -- sonypi_device.open_count--; -+ local_dec(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - return 0; - } -@@ -901,9 +902,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); - /* Flush input queue on first open */ -- if (!sonypi_device.open_count) -+ if (!local_read(&sonypi_device.open_count)) - kfifo_reset(&sonypi_device.fifo); -- sonypi_device.open_count++; -+ local_inc(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - - return 0; -@@ -1491,7 +1492,7 @@ static struct platform_driver sonypi_driver = { - - static struct platform_device *sonypi_platform_device; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c -index 565a947..dcdc06e 100644 ---- a/drivers/char/tpm/tpm_acpi.c -+++ b/drivers/char/tpm/tpm_acpi.c -@@ -98,11 +98,12 @@ int read_log(struct tpm_bios_log *log) - virt = acpi_os_map_iomem(start, len); - if (!virt) { - kfree(log->bios_event_log); -+ log->bios_event_log = NULL; - printk("%s: ERROR - Unable to map memory\n", __func__); - return -EIO; - } - -- memcpy_fromio(log->bios_event_log, virt, len); -+ memcpy_fromio(log->bios_event_log, (const char __force_kernel *)virt, len); - - acpi_os_unmap_iomem(virt, len); - return 0; -diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c -index 3a56a13..f8cbd25 100644 ---- a/drivers/char/tpm/tpm_eventlog.c -+++ b/drivers/char/tpm/tpm_eventlog.c -@@ -95,7 +95,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos) - event = addr; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - addr - sizeof(struct tcpa_event))) - return NULL; - - return addr; -@@ -120,7 +120,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v, - return NULL; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((v + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - v - sizeof(struct tcpa_event))) - return NULL; - - (*pos)++; -@@ -213,7 +213,8 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v) - int i; - - for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++) -- seq_putc(m, data[i]); -+ if (!seq_putc(m, data[i])) -+ return -EFAULT; - - return 0; - } -diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c -index 50754d20..9561cdc 100644 ---- a/drivers/char/virtio_console.c -+++ b/drivers/char/virtio_console.c -@@ -685,7 +685,7 @@ static ssize_t fill_readbuf(struct port *port, char __user *out_buf, - if (to_user) { - ssize_t ret; - -- ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count); -+ ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count); - if (ret) - return -EFAULT; - } else { -@@ -789,7 +789,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf, - if (!port_has_data(port) && !port->host_connected) - return 0; - -- return fill_readbuf(port, ubuf, count, true); -+ return fill_readbuf(port, (char __force_kernel *)ubuf, count, true); - } - - static int wait_port_writable(struct port *port, bool nonblock) -diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c -index 956b7e5..b655045 100644 ---- a/drivers/clk/clk-composite.c -+++ b/drivers/clk/clk-composite.c -@@ -197,7 +197,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name, - struct clk *clk; - struct clk_init_data init; - struct clk_composite *composite; -- struct clk_ops *clk_composite_ops; -+ clk_ops_no_const *clk_composite_ops; - - composite = kzalloc(sizeof(*composite), GFP_KERNEL); - if (!composite) { -diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c -index 69a094c..1fa2a8d 100644 ---- a/drivers/clk/clk-mux.c -+++ b/drivers/clk/clk-mux.c -@@ -114,7 +114,7 @@ const struct clk_ops clk_mux_ro_ops = { - EXPORT_SYMBOL_GPL(clk_mux_ro_ops); - - struct clk *clk_register_mux_table(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u32 mask, - u8 clk_mux_flags, u32 *table, spinlock_t *lock) - { -@@ -166,7 +166,7 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name, - EXPORT_SYMBOL_GPL(clk_register_mux_table); - - struct clk *clk_register_mux(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_mux_flags, spinlock_t *lock) - { -diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h -index e4c7538..9d5c18a 100644 ---- a/drivers/clk/samsung/clk.h -+++ b/drivers/clk/samsung/clk.h -@@ -121,7 +121,7 @@ struct samsung_mux_clock { - unsigned int id; - const char *dev_name; - const char *name; -- const char **parent_names; -+ const char * const *parent_names; - u8 num_parents; - unsigned long flags; - unsigned long offset; -@@ -260,7 +260,7 @@ struct samsung_gate_clock { - #define GATE_DA(_id, dname, cname, pname, o, b, f, gf, a) \ - __GATE(_id, dname, cname, pname, o, b, f, gf, a) - --#define PNAME(x) static const char *x[] __initdata -+#define PNAME(x) static const char * const x[] __initconst - - /** - * struct samsung_clk_reg_dump: register dump of clock controller registers. -diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c -index dd3a78c..386d49c 100644 ---- a/drivers/clk/socfpga/clk-gate.c -+++ b/drivers/clk/socfpga/clk-gate.c -@@ -22,6 +22,7 @@ - #include <linux/mfd/syscon.h> - #include <linux/of.h> - #include <linux/regmap.h> -+#include <asm/pgtable.h> - - #include "clk.h" - -@@ -174,7 +175,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk) - return 0; - } - --static struct clk_ops gateclk_ops = { -+static clk_ops_no_const gateclk_ops __read_only = { - .prepare = socfpga_clk_prepare, - .recalc_rate = socfpga_clk_recalc_rate, - .get_parent = socfpga_clk_get_parent, -@@ -208,8 +209,10 @@ static void __init __socfpga_gate_init(struct device_node *node, - socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0]; - socfpga_clk->hw.bit_idx = clk_gate[1]; - -- gateclk_ops.enable = clk_gate_ops.enable; -- gateclk_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ *(void **)&gateclk_ops.enable = clk_gate_ops.enable; -+ *(void **)&gateclk_ops.disable = clk_gate_ops.disable; -+ pax_close_kernel(); - } - - rc = of_property_read_u32(node, "fixed-divider", &fixed_div); -diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c -index de6da95..c98278b 100644 ---- a/drivers/clk/socfpga/clk-pll.c -+++ b/drivers/clk/socfpga/clk-pll.c -@@ -21,6 +21,7 @@ - #include <linux/io.h> - #include <linux/of.h> - #include <linux/of_address.h> -+#include <asm/pgtable.h> - - #include "clk.h" - -@@ -76,7 +77,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) - CLK_MGR_PLL_CLK_SRC_MASK; - } - --static struct clk_ops clk_pll_ops = { -+static clk_ops_no_const clk_pll_ops __read_only = { - .recalc_rate = clk_pll_recalc_rate, - .get_parent = clk_pll_get_parent, - }; -@@ -120,8 +121,10 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node, - pll_clk->hw.hw.init = &init; - - pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; -- clk_pll_ops.enable = clk_gate_ops.enable; -- clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ *(void **)&clk_pll_ops.enable = clk_gate_ops.enable; -+ *(void **)&clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_close_kernel(); - - clk = clk_register(NULL, &pll_clk->hw.hw); - if (WARN_ON(IS_ERR(clk))) { -diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c -index b0c18ed..1713a80 100644 ---- a/drivers/cpufreq/acpi-cpufreq.c -+++ b/drivers/cpufreq/acpi-cpufreq.c -@@ -675,8 +675,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu); - per_cpu(acfreq_data, cpu) = data; - -- if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) -- acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ *(u8 *)&acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - result = acpi_processor_register_performance(data->acpi_data, cpu); - if (result) -@@ -809,7 +812,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu); - break; - case ACPI_ADR_SPACE_FIXED_HARDWARE: -- acpi_cpufreq_driver.get = get_cur_freq_on_cpu; -+ pax_open_kernel(); -+ *(void **)&acpi_cpufreq_driver.get = get_cur_freq_on_cpu; -+ pax_close_kernel(); - break; - default: - break; -@@ -903,8 +908,10 @@ static void __init acpi_cpufreq_boost_init(void) - if (!msrs) - return; - -- acpi_cpufreq_driver.boost_supported = true; -- acpi_cpufreq_driver.boost_enabled = boost_state(0); -+ pax_open_kernel(); -+ *(bool *)&acpi_cpufreq_driver.boost_supported = true; -+ *(bool *)&acpi_cpufreq_driver.boost_enabled = boost_state(0); -+ pax_close_kernel(); - - cpu_notifier_register_begin(); - -diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c -index bab67db..91af7e3 100644 ---- a/drivers/cpufreq/cpufreq-dt.c -+++ b/drivers/cpufreq/cpufreq-dt.c -@@ -392,7 +392,9 @@ static int dt_cpufreq_probe(struct platform_device *pdev) - if (!IS_ERR(cpu_reg)) - regulator_put(cpu_reg); - -- dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev); -+ pax_open_kernel(); -+ *(void **)&dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev); -+ pax_close_kernel(); - - ret = cpufreq_register_driver(&dt_cpufreq_driver); - if (ret) -diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c -index 8ae655c..3141442 100644 ---- a/drivers/cpufreq/cpufreq.c -+++ b/drivers/cpufreq/cpufreq.c -@@ -2108,7 +2108,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor) - } - - mutex_lock(&cpufreq_governor_mutex); -- list_del(&governor->governor_list); -+ pax_list_del(&governor->governor_list); - mutex_unlock(&cpufreq_governor_mutex); - return; - } -@@ -2323,7 +2323,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata cpufreq_cpu_notifier = { -+static struct notifier_block cpufreq_cpu_notifier = { - .notifier_call = cpufreq_cpu_callback, - }; - -@@ -2363,13 +2363,17 @@ int cpufreq_boost_trigger_state(int state) - return 0; - - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = state; -+ pax_open_kernel(); -+ *(bool *)&cpufreq_driver->boost_enabled = state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - ret = cpufreq_driver->set_boost(state); - if (ret) { - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = !state; -+ pax_open_kernel(); -+ *(bool *)&cpufreq_driver->boost_enabled = !state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - pr_err("%s: Cannot %s BOOST\n", -@@ -2434,16 +2438,22 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) - cpufreq_driver = driver_data; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - -- if (driver_data->setpolicy) -- driver_data->flags |= CPUFREQ_CONST_LOOPS; -+ if (driver_data->setpolicy) { -+ pax_open_kernel(); -+ *(u8 *)&driver_data->flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (cpufreq_boost_supported()) { - /* - * Check if driver provides function to enable boost - - * if not, use cpufreq_boost_set_sw as default - */ -- if (!cpufreq_driver->set_boost) -- cpufreq_driver->set_boost = cpufreq_boost_set_sw; -+ if (!cpufreq_driver->set_boost) { -+ pax_open_kernel(); -+ *(void **)&cpufreq_driver->set_boost = cpufreq_boost_set_sw; -+ pax_close_kernel(); -+ } - - ret = cpufreq_sysfs_create_file(&boost.attr); - if (ret) { -diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c -index 1b44496..b80ff5e 100644 ---- a/drivers/cpufreq/cpufreq_governor.c -+++ b/drivers/cpufreq/cpufreq_governor.c -@@ -245,7 +245,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - struct dbs_data *dbs_data; - struct od_cpu_dbs_info_s *od_dbs_info = NULL; - struct cs_cpu_dbs_info_s *cs_dbs_info = NULL; -- struct od_ops *od_ops = NULL; -+ const struct od_ops *od_ops = NULL; - struct od_dbs_tuners *od_tuners = NULL; - struct cs_dbs_tuners *cs_tuners = NULL; - struct cpu_dbs_common_info *cpu_cdbs; -@@ -311,7 +311,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - - if ((cdata->governor == GOV_CONSERVATIVE) && - (!policy->governor->initialized)) { -- struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; -+ const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; - - cpufreq_register_notifier(cs_ops->notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); -@@ -331,7 +331,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - - if ((dbs_data->cdata->governor == GOV_CONSERVATIVE) && - (policy->governor->initialized == 1)) { -- struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; -+ const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; - - cpufreq_unregister_notifier(cs_ops->notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); -diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h -index cc401d1..8197340 100644 ---- a/drivers/cpufreq/cpufreq_governor.h -+++ b/drivers/cpufreq/cpufreq_governor.h -@@ -212,7 +212,7 @@ struct common_dbs_data { - void (*exit)(struct dbs_data *dbs_data); - - /* Governor specific ops, see below */ -- void *gov_ops; -+ const void *gov_ops; - }; - - /* Governor Per policy data */ -@@ -232,7 +232,7 @@ struct od_ops { - unsigned int (*powersave_bias_target)(struct cpufreq_policy *policy, - unsigned int freq_next, unsigned int relation); - void (*freq_increase)(struct cpufreq_policy *policy, unsigned int freq); --}; -+} __no_const; - - struct cs_ops { - struct notifier_block *notifier_block; -diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c -index ad3f38f..8f086cd 100644 ---- a/drivers/cpufreq/cpufreq_ondemand.c -+++ b/drivers/cpufreq/cpufreq_ondemand.c -@@ -524,7 +524,7 @@ static void od_exit(struct dbs_data *dbs_data) - - define_get_cpu_dbs_routines(od_cpu_dbs_info); - --static struct od_ops od_ops = { -+static struct od_ops od_ops __read_only = { - .powersave_bias_init_cpu = ondemand_powersave_bias_init_cpu, - .powersave_bias_target = generic_powersave_bias_target, - .freq_increase = dbs_freq_increase, -@@ -579,14 +579,18 @@ void od_register_powersave_bias_handler(unsigned int (*f) - (struct cpufreq_policy *, unsigned int, unsigned int), - unsigned int powersave_bias) - { -- od_ops.powersave_bias_target = f; -+ pax_open_kernel(); -+ *(void **)&od_ops.powersave_bias_target = f; -+ pax_close_kernel(); - od_set_powersave_bias(powersave_bias); - } - EXPORT_SYMBOL_GPL(od_register_powersave_bias_handler); - - void od_unregister_powersave_bias_handler(void) - { -- od_ops.powersave_bias_target = generic_powersave_bias_target; -+ pax_open_kernel(); -+ *(void **)&od_ops.powersave_bias_target = generic_powersave_bias_target; -+ pax_close_kernel(); - od_set_powersave_bias(0); - } - EXPORT_SYMBOL_GPL(od_unregister_powersave_bias_handler); -diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c -index 6f9d27f..14385d1 100644 ---- a/drivers/cpufreq/intel_pstate.c -+++ b/drivers/cpufreq/intel_pstate.c -@@ -134,10 +134,10 @@ struct pstate_funcs { - struct cpu_defaults { - struct pstate_adjust_policy pid_policy; - struct pstate_funcs funcs; --}; -+} __do_const; - - static struct pstate_adjust_policy pid_params; --static struct pstate_funcs pstate_funcs; -+static struct pstate_funcs *pstate_funcs; - static int hwp_active; - - struct perf_limits { -@@ -722,18 +722,18 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) - - cpu->pstate.current_pstate = pstate; - -- pstate_funcs.set(cpu, pstate); -+ pstate_funcs->set(cpu, pstate); - } - - static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) - { -- cpu->pstate.min_pstate = pstate_funcs.get_min(); -- cpu->pstate.max_pstate = pstate_funcs.get_max(); -- cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(); -- cpu->pstate.scaling = pstate_funcs.get_scaling(); -+ cpu->pstate.min_pstate = pstate_funcs->get_min(); -+ cpu->pstate.max_pstate = pstate_funcs->get_max(); -+ cpu->pstate.turbo_pstate = pstate_funcs->get_turbo(); -+ cpu->pstate.scaling = pstate_funcs->get_scaling(); - -- if (pstate_funcs.get_vid) -- pstate_funcs.get_vid(cpu); -+ if (pstate_funcs->get_vid) -+ pstate_funcs->get_vid(cpu); - intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); - } - -@@ -1057,15 +1057,15 @@ static unsigned int force_load; - - static int intel_pstate_msrs_not_valid(void) - { -- if (!pstate_funcs.get_max() || -- !pstate_funcs.get_min() || -- !pstate_funcs.get_turbo()) -+ if (!pstate_funcs->get_max() || -+ !pstate_funcs->get_min() || -+ !pstate_funcs->get_turbo()) - return -ENODEV; - - return 0; - } - --static void copy_pid_params(struct pstate_adjust_policy *policy) -+static void copy_pid_params(const struct pstate_adjust_policy *policy) - { - pid_params.sample_rate_ms = policy->sample_rate_ms; - pid_params.p_gain_pct = policy->p_gain_pct; -@@ -1077,12 +1077,7 @@ static void copy_pid_params(struct pstate_adjust_policy *policy) - - static void copy_cpu_funcs(struct pstate_funcs *funcs) - { -- pstate_funcs.get_max = funcs->get_max; -- pstate_funcs.get_min = funcs->get_min; -- pstate_funcs.get_turbo = funcs->get_turbo; -- pstate_funcs.get_scaling = funcs->get_scaling; -- pstate_funcs.set = funcs->set; -- pstate_funcs.get_vid = funcs->get_vid; -+ pstate_funcs = funcs; - } - - #if IS_ENABLED(CONFIG_ACPI) -diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c -index 529cfd9..0e28fff 100644 ---- a/drivers/cpufreq/p4-clockmod.c -+++ b/drivers/cpufreq/p4-clockmod.c -@@ -134,10 +134,14 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - case 0x0F: /* Core Duo */ - case 0x16: /* Celeron Core */ - case 0x1C: /* Atom */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE); - case 0x0D: /* Pentium M (Dothan) */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - /* fall through */ - case 0x09: /* Pentium M (Banias) */ - return speedstep_get_frequency(SPEEDSTEP_CPU_PM); -@@ -149,7 +153,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - - /* on P-4s, the TSC runs with constant frequency independent whether - * throttling is active or not. */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - - if (speedstep_detect_processor() == SPEEDSTEP_CPU_P4M) { - printk(KERN_WARNING PFX "Warning: Pentium 4-M detected. " -diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c -index 9bb42ba..b01b4a2 100644 ---- a/drivers/cpufreq/sparc-us3-cpufreq.c -+++ b/drivers/cpufreq/sparc-us3-cpufreq.c -@@ -18,14 +18,12 @@ - #include <asm/head.h> - #include <asm/timer.h> - --static struct cpufreq_driver *cpufreq_us3_driver; -- - struct us3_freq_percpu_info { - struct cpufreq_frequency_table table[4]; - }; - - /* Indexed by cpu number. */ --static struct us3_freq_percpu_info *us3_freq_table; -+static struct us3_freq_percpu_info us3_freq_table[NR_CPUS]; - - /* UltraSPARC-III has three dividers: 1, 2, and 32. These are controlled - * in the Safari config register. -@@ -156,16 +154,27 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy) - - static int us3_freq_cpu_exit(struct cpufreq_policy *policy) - { -- if (cpufreq_us3_driver) -- us3_freq_target(policy, 0); -+ us3_freq_target(policy, 0); - - return 0; - } - -+static int __init us3_freq_init(void); -+static void __exit us3_freq_exit(void); -+ -+static struct cpufreq_driver cpufreq_us3_driver = { -+ .init = us3_freq_cpu_init, -+ .verify = cpufreq_generic_frequency_table_verify, -+ .target_index = us3_freq_target, -+ .get = us3_freq_get, -+ .exit = us3_freq_cpu_exit, -+ .name = "UltraSPARC-III", -+ -+}; -+ - static int __init us3_freq_init(void) - { - unsigned long manuf, impl, ver; -- int ret; - - if (tlb_type != cheetah && tlb_type != cheetah_plus) - return -ENODEV; -@@ -178,55 +187,15 @@ static int __init us3_freq_init(void) - (impl == CHEETAH_IMPL || - impl == CHEETAH_PLUS_IMPL || - impl == JAGUAR_IMPL || -- impl == PANTHER_IMPL)) { -- struct cpufreq_driver *driver; -- -- ret = -ENOMEM; -- driver = kzalloc(sizeof(*driver), GFP_KERNEL); -- if (!driver) -- goto err_out; -- -- us3_freq_table = kzalloc((NR_CPUS * sizeof(*us3_freq_table)), -- GFP_KERNEL); -- if (!us3_freq_table) -- goto err_out; -- -- driver->init = us3_freq_cpu_init; -- driver->verify = cpufreq_generic_frequency_table_verify; -- driver->target_index = us3_freq_target; -- driver->get = us3_freq_get; -- driver->exit = us3_freq_cpu_exit; -- strcpy(driver->name, "UltraSPARC-III"); -- -- cpufreq_us3_driver = driver; -- ret = cpufreq_register_driver(driver); -- if (ret) -- goto err_out; -- -- return 0; -- --err_out: -- if (driver) { -- kfree(driver); -- cpufreq_us3_driver = NULL; -- } -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- return ret; -- } -+ impl == PANTHER_IMPL)) -+ return cpufreq_register_driver(&cpufreq_us3_driver); - - return -ENODEV; - } - - static void __exit us3_freq_exit(void) - { -- if (cpufreq_us3_driver) { -- cpufreq_unregister_driver(cpufreq_us3_driver); -- kfree(cpufreq_us3_driver); -- cpufreq_us3_driver = NULL; -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- } -+ cpufreq_unregister_driver(&cpufreq_us3_driver); - } - - MODULE_AUTHOR("David S. Miller <davem(a)redhat.com>"); -diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c -index 7d4a315..21bb886 100644 ---- a/drivers/cpufreq/speedstep-centrino.c -+++ b/drivers/cpufreq/speedstep-centrino.c -@@ -351,8 +351,11 @@ static int centrino_cpu_init(struct cpufreq_policy *policy) - !cpu_has(cpu, X86_FEATURE_EST)) - return -ENODEV; - -- if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) -- centrino_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ *(u8 *)&centrino_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (policy->cpu != 0) - return -ENODEV; -diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c -index 5db1478..e90e25e 100644 ---- a/drivers/cpuidle/driver.c -+++ b/drivers/cpuidle/driver.c -@@ -193,7 +193,7 @@ static int poll_idle(struct cpuidle_device *dev, - - static void poll_idle_init(struct cpuidle_driver *drv) - { -- struct cpuidle_state *state = &drv->states[0]; -+ cpuidle_state_no_const *state = &drv->states[0]; - - snprintf(state->name, CPUIDLE_NAME_LEN, "POLL"); - snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE"); -diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c -index fb9f511..213e6cc 100644 ---- a/drivers/cpuidle/governor.c -+++ b/drivers/cpuidle/governor.c -@@ -87,7 +87,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov) - mutex_lock(&cpuidle_lock); - if (__cpuidle_find_governor(gov->name) == NULL) { - ret = 0; -- list_add_tail(&gov->governor_list, &cpuidle_governors); -+ pax_list_add_tail((struct list_head *)&gov->governor_list, &cpuidle_governors); - if (!cpuidle_curr_governor || - cpuidle_curr_governor->rating < gov->rating) - cpuidle_switch_governor(gov); -diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c -index 832a2c3..1794080 100644 ---- a/drivers/cpuidle/sysfs.c -+++ b/drivers/cpuidle/sysfs.c -@@ -135,7 +135,7 @@ static struct attribute *cpuidle_switch_attrs[] = { - NULL - }; - --static struct attribute_group cpuidle_attr_group = { -+static attribute_group_no_const cpuidle_attr_group = { - .attrs = cpuidle_default_attrs, - .name = "cpuidle", - }; -diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c -index 8d2a772..33826c9 100644 ---- a/drivers/crypto/hifn_795x.c -+++ b/drivers/crypto/hifn_795x.c -@@ -51,7 +51,7 @@ module_param_string(hifn_pll_ref, hifn_pll_ref, sizeof(hifn_pll_ref), 0444); - MODULE_PARM_DESC(hifn_pll_ref, - "PLL reference clock (pci[freq] or ext[freq], default ext)"); - --static atomic_t hifn_dev_number; -+static atomic_unchecked_t hifn_dev_number; - - #define ACRYPTO_OP_DECRYPT 0 - #define ACRYPTO_OP_ENCRYPT 1 -@@ -2577,7 +2577,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) - goto err_out_disable_pci_device; - - snprintf(name, sizeof(name), "hifn%d", -- atomic_inc_return(&hifn_dev_number)-1); -+ atomic_inc_return_unchecked(&hifn_dev_number)-1); - - err = pci_request_regions(pdev, name); - if (err) -diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c -index ca1b362..01cae6a 100644 ---- a/drivers/devfreq/devfreq.c -+++ b/drivers/devfreq/devfreq.c -@@ -672,7 +672,7 @@ int devfreq_add_governor(struct devfreq_governor *governor) - goto err_out; - } - -- list_add(&governor->node, &devfreq_governor_list); -+ pax_list_add((struct list_head *)&governor->node, &devfreq_governor_list); - - list_for_each_entry(devfreq, &devfreq_list, node) { - int ret = 0; -@@ -760,7 +760,7 @@ int devfreq_remove_governor(struct devfreq_governor *governor) - } - } - -- list_del(&governor->node); -+ pax_list_del((struct list_head *)&governor->node); - err_out: - mutex_unlock(&devfreq_list_lock); - -diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c -index 10fcaba..326f709 100644 ---- a/drivers/dma/sh/shdma-base.c -+++ b/drivers/dma/sh/shdma-base.c -@@ -227,8 +227,8 @@ static int shdma_alloc_chan_resources(struct dma_chan *chan) - schan->slave_id = -EINVAL; - } - -- schan->desc = kcalloc(NR_DESCS_PER_CHANNEL, -- sdev->desc_size, GFP_KERNEL); -+ schan->desc = kcalloc(sdev->desc_size, -+ NR_DESCS_PER_CHANNEL, GFP_KERNEL); - if (!schan->desc) { - ret = -ENOMEM; - goto edescalloc; -diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c -index 11707df..2ea96f7 100644 ---- a/drivers/dma/sh/shdmac.c -+++ b/drivers/dma/sh/shdmac.c -@@ -513,7 +513,7 @@ static int sh_dmae_nmi_handler(struct notifier_block *self, - return ret; - } - --static struct notifier_block sh_dmae_nmi_notifier __read_mostly = { -+static struct notifier_block sh_dmae_nmi_notifier = { - .notifier_call = sh_dmae_nmi_handler, - - /* Run before NMI debug handler and KGDB */ -diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c -index 592af5f..bb1d583 100644 ---- a/drivers/edac/edac_device.c -+++ b/drivers/edac/edac_device.c -@@ -477,9 +477,9 @@ void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, - */ - int edac_device_alloc_index(void) - { -- static atomic_t device_indexes = ATOMIC_INIT(0); -+ static atomic_unchecked_t device_indexes = ATOMIC_INIT(0); - -- return atomic_inc_return(&device_indexes) - 1; -+ return atomic_inc_return_unchecked(&device_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_device_alloc_index); - -diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c -index 112d63a..5443a61 100644 ---- a/drivers/edac/edac_mc_sysfs.c -+++ b/drivers/edac/edac_mc_sysfs.c -@@ -154,7 +154,7 @@ static const char * const edac_caps[] = { - struct dev_ch_attribute { - struct device_attribute attr; - int channel; --}; -+} __do_const; - - #define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \ - static struct dev_ch_attribute dev_attr_legacy_##_name = \ -diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c -index 2cf44b4d..6dd2dc7 100644 ---- a/drivers/edac/edac_pci.c -+++ b/drivers/edac/edac_pci.c -@@ -29,7 +29,7 @@ - - static DEFINE_MUTEX(edac_pci_ctls_mutex); - static LIST_HEAD(edac_pci_list); --static atomic_t pci_indexes = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_indexes = ATOMIC_INIT(0); - - /* - * edac_pci_alloc_ctl_info -@@ -315,7 +315,7 @@ EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period); - */ - int edac_pci_alloc_index(void) - { -- return atomic_inc_return(&pci_indexes) - 1; -+ return atomic_inc_return_unchecked(&pci_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_pci_alloc_index); - -diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c -index 24d877f..4e30133 100644 ---- a/drivers/edac/edac_pci_sysfs.c -+++ b/drivers/edac/edac_pci_sysfs.c -@@ -23,8 +23,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */ - static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */ - static int edac_pci_poll_msec = 1000; /* one second workq period */ - --static atomic_t pci_parity_count = ATOMIC_INIT(0); --static atomic_t pci_nonparity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0); - - static struct kobject *edac_pci_top_main_kobj; - static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0); -@@ -232,7 +232,7 @@ struct edac_pci_dev_attribute { - void *value; - ssize_t(*show) (void *, char *); - ssize_t(*store) (void *, const char *, size_t); --}; -+} __do_const; - - /* Set of show/store abstract level functions for PCI Parity object */ - static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr, -@@ -576,7 +576,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -584,7 +584,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -592,7 +592,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - -@@ -615,7 +615,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -623,7 +623,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on " - "%s\n", pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -631,7 +631,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - } -@@ -669,7 +669,7 @@ void edac_pci_do_parity_check(void) - if (!check_pci_errors) - return; - -- before_count = atomic_read(&pci_parity_count); -+ before_count = atomic_read_unchecked(&pci_parity_count); - - /* scan all PCI devices looking for a Parity Error on devices and - * bridges. -@@ -681,7 +681,7 @@ void edac_pci_do_parity_check(void) - /* Only if operator has selected panic on PCI Error */ - if (edac_pci_get_panic_on_pe()) { - /* If the count is different 'after' from 'before' */ -- if (before_count != atomic_read(&pci_parity_count)) -+ if (before_count != atomic_read_unchecked(&pci_parity_count)) - panic("EDAC: PCI Parity Error"); - } - } -diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h -index c2359a1..8bd119d 100644 ---- a/drivers/edac/mce_amd.h -+++ b/drivers/edac/mce_amd.h -@@ -74,7 +74,7 @@ struct amd_decoder_ops { - bool (*mc0_mce)(u16, u8); - bool (*mc1_mce)(u16, u8); - bool (*mc2_mce)(u16, u8); --}; -+} __no_const; - - void amd_report_gart_errors(bool); - void amd_register_ecc_decoder(void (*f)(int, struct mce *)); -diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c -index 57ea7f4..af06b76 100644 ---- a/drivers/firewire/core-card.c -+++ b/drivers/firewire/core-card.c -@@ -528,9 +528,9 @@ void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, - struct device *device) - { -- static atomic_t index = ATOMIC_INIT(-1); -+ static atomic_unchecked_t index = ATOMIC_INIT(-1); - -- card->index = atomic_inc_return(&index); -+ card->index = atomic_inc_return_unchecked(&index); - card->driver = driver; - card->device = device; - card->current_tlabel = 0; -@@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release); - - void fw_core_remove_card(struct fw_card *card) - { -- struct fw_card_driver dummy_driver = dummy_driver_template; -+ fw_card_driver_no_const dummy_driver = dummy_driver_template; - - card->driver->update_phy_reg(card, 4, - PHY_LINK_ACTIVE | PHY_CONTENDER, 0); -diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c -index f9e3aee..269dbdb 100644 ---- a/drivers/firewire/core-device.c -+++ b/drivers/firewire/core-device.c -@@ -256,7 +256,7 @@ EXPORT_SYMBOL(fw_device_enable_phys_dma); - struct config_rom_attribute { - struct device_attribute attr; - u32 key; --}; -+} __do_const; - - static ssize_t show_immediate(struct device *dev, - struct device_attribute *dattr, char *buf) -diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c -index d6a09b9..18e90dd 100644 ---- a/drivers/firewire/core-transaction.c -+++ b/drivers/firewire/core-transaction.c -@@ -38,6 +38,7 @@ - #include <linux/timer.h> - #include <linux/types.h> - #include <linux/workqueue.h> -+#include <linux/sched.h> - - #include <asm/byteorder.h> - -diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h -index e1480ff6..1a429bd 100644 ---- a/drivers/firewire/core.h -+++ b/drivers/firewire/core.h -@@ -111,6 +111,7 @@ struct fw_card_driver { - - int (*stop_iso)(struct fw_iso_context *ctx); - }; -+typedef struct fw_card_driver __no_const fw_card_driver_no_const; - - void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, struct device *device); -diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c -index f51d376..b118e40 100644 ---- a/drivers/firewire/ohci.c -+++ b/drivers/firewire/ohci.c -@@ -2049,10 +2049,12 @@ static void bus_reset_work(struct work_struct *work) - be32_to_cpu(ohci->next_header)); - } - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) { - reg_write(ohci, OHCI1394_PhyReqFilterHiSet, ~0); - reg_write(ohci, OHCI1394_PhyReqFilterLoSet, ~0); - } -+#endif - - spin_unlock_irq(&ohci->lock); - -@@ -2584,8 +2586,10 @@ static int ohci_enable_phys_dma(struct fw_card *card, - unsigned long flags; - int n, ret = 0; - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) - return 0; -+#endif - - /* - * FIXME: Make sure this bitmask is cleared when we clear the busReset -diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c -index 94a58a0..f5eba42 100644 ---- a/drivers/firmware/dmi-id.c -+++ b/drivers/firmware/dmi-id.c -@@ -16,7 +16,7 @@ - struct dmi_device_attribute{ - struct device_attribute dev_attr; - int field; --}; -+} __do_const; - #define to_dmi_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct dmi_device_attribute, dev_attr) - -diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c -index d425374..1da1716 100644 ---- a/drivers/firmware/efi/cper.c -+++ b/drivers/firmware/efi/cper.c -@@ -44,12 +44,12 @@ static char rcd_decode_str[CPER_REC_LEN]; - */ - u64 cper_next_record_id(void) - { -- static atomic64_t seq; -+ static atomic64_unchecked_t seq; - -- if (!atomic64_read(&seq)) -- atomic64_set(&seq, ((u64)get_seconds()) << 32); -+ if (!atomic64_read_unchecked(&seq)) -+ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32); - -- return atomic64_inc_return(&seq); -+ return atomic64_inc_return_unchecked(&seq); - } - EXPORT_SYMBOL_GPL(cper_next_record_id); - -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 63226e9..302716e 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -164,14 +164,16 @@ static struct attribute_group efi_subsys_attr_group = { - }; - - static struct efivars generic_efivars; --static struct efivar_operations generic_ops; -+static efivar_operations_no_const generic_ops __read_only; - - static int generic_ops_register(void) - { -- generic_ops.get_variable = efi.get_variable; -- generic_ops.set_variable = efi.set_variable; -- generic_ops.get_next_variable = efi.get_next_variable; -- generic_ops.query_variable_store = efi_query_variable_store; -+ pax_open_kernel(); -+ *(void **)&generic_ops.get_variable = efi.get_variable; -+ *(void **)&generic_ops.set_variable = efi.set_variable; -+ *(void **)&generic_ops.get_next_variable = efi.get_next_variable; -+ *(void **)&generic_ops.query_variable_store = efi_query_variable_store; -+ pax_close_kernel(); - - return efivars_register(&generic_efivars, &generic_ops, efi_kobj); - } -diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c -index 7b2e049..a253334 100644 ---- a/drivers/firmware/efi/efivars.c -+++ b/drivers/firmware/efi/efivars.c -@@ -589,7 +589,7 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var) - static int - create_efivars_bin_attributes(void) - { -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - int error; - - /* new_var */ -diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c -index 5c55227..97f4978 100644 ---- a/drivers/firmware/efi/runtime-map.c -+++ b/drivers/firmware/efi/runtime-map.c -@@ -97,7 +97,7 @@ static void map_release(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata map_ktype = { -+static const struct kobj_type __refconst map_ktype = { - .sysfs_ops = &map_attr_ops, - .default_attrs = def_attrs, - .release = map_release, -diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c -index f1ab05e..ab51228 100644 ---- a/drivers/firmware/google/gsmi.c -+++ b/drivers/firmware/google/gsmi.c -@@ -709,7 +709,7 @@ static u32 __init hash_oem_table_id(char s[8]) - return local_hash_64(input, 32); - } - --static struct dmi_system_id gsmi_dmi_table[] __initdata = { -+static const struct dmi_system_id gsmi_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c -index 2f569aa..26e4f39 100644 ---- a/drivers/firmware/google/memconsole.c -+++ b/drivers/firmware/google/memconsole.c -@@ -136,7 +136,7 @@ static bool __init found_memconsole(void) - return false; - } - --static struct dmi_system_id memconsole_dmi_table[] __initdata = { -+static const struct dmi_system_id memconsole_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -@@ -155,7 +155,10 @@ static int __init memconsole_init(void) - if (!found_memconsole()) - return -ENODEV; - -- memconsole_bin_attr.size = memconsole_length; -+ pax_open_kernel(); -+ *(size_t *)&memconsole_bin_attr.size = memconsole_length; -+ pax_close_kernel(); -+ - return sysfs_create_bin_file(firmware_kobj, &memconsole_bin_attr); - } - -diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c -index cc016c61..d35279e 100644 ---- a/drivers/firmware/memmap.c -+++ b/drivers/firmware/memmap.c -@@ -124,7 +124,7 @@ static void __meminit release_firmware_map_entry(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata memmap_ktype = { -+static const struct kobj_type __refconst memmap_ktype = { - .release = release_firmware_map_entry, - .sysfs_ops = &memmap_attr_ops, - .default_attrs = def_attrs, -diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c -index 3cfcfc6..09d6f117 100644 ---- a/drivers/gpio/gpio-em.c -+++ b/drivers/gpio/gpio-em.c -@@ -278,7 +278,7 @@ static int em_gio_probe(struct platform_device *pdev) - struct em_gio_priv *p; - struct resource *io[2], *irq[2]; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - const char *name = dev_name(&pdev->dev); - int ret; - -diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c -index 4ba7ed5..1536b5d 100644 ---- a/drivers/gpio/gpio-ich.c -+++ b/drivers/gpio/gpio-ich.c -@@ -94,7 +94,7 @@ struct ichx_desc { - * this option allows driver caching written output values - */ - bool use_outlvl_cache; --}; -+} __do_const; - - static struct { - spinlock_t lock; -diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c -index b232397..ce8c4dc 100644 ---- a/drivers/gpio/gpio-omap.c -+++ b/drivers/gpio/gpio-omap.c -@@ -1054,7 +1054,7 @@ static void omap_gpio_mod_init(struct gpio_bank *bank) - dev_err(bank->dev, "Could not get gpio dbck\n"); - } - --static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) -+static int omap_gpio_chip_init(struct gpio_bank *bank, irq_chip_no_const *irqc) - { - static int gpio; - int irq_base = 0; -@@ -1137,7 +1137,7 @@ static int omap_gpio_probe(struct platform_device *pdev) - const struct omap_gpio_platform_data *pdata; - struct resource *res; - struct gpio_bank *bank; -- struct irq_chip *irqc; -+ irq_chip_no_const *irqc; - int ret; - - match = of_match_device(of_match_ptr(omap_gpio_match), dev); -diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c -index 1e14a6c..0442450 100644 ---- a/drivers/gpio/gpio-rcar.c -+++ b/drivers/gpio/gpio-rcar.c -@@ -379,7 +379,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) - struct gpio_rcar_priv *p; - struct resource *io, *irq; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - struct device *dev = &pdev->dev; - const char *name = dev_name(dev); - int ret; -diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c -index c1caa45..f0f97d2 100644 ---- a/drivers/gpio/gpio-vr41xx.c -+++ b/drivers/gpio/gpio-vr41xx.c -@@ -224,7 +224,7 @@ static int giu_get_irq(unsigned int irq) - printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", - maskl, pendl, maskh, pendh); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -EINVAL; - } -diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c -index 6bc612b..3932464 100644 ---- a/drivers/gpio/gpiolib.c -+++ b/drivers/gpio/gpiolib.c -@@ -558,8 +558,10 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) - } - - if (gpiochip->irqchip) { -- gpiochip->irqchip->irq_request_resources = NULL; -- gpiochip->irqchip->irq_release_resources = NULL; -+ pax_open_kernel(); -+ *(void **)&gpiochip->irqchip->irq_request_resources = NULL; -+ *(void **)&gpiochip->irqchip->irq_release_resources = NULL; -+ pax_close_kernel(); - gpiochip->irqchip = NULL; - } - } -@@ -625,8 +627,11 @@ int gpiochip_irqchip_add(struct gpio_chip *gpiochip, - gpiochip->irqchip = NULL; - return -EINVAL; - } -- irqchip->irq_request_resources = gpiochip_irq_reqres; -- irqchip->irq_release_resources = gpiochip_irq_relres; -+ -+ pax_open_kernel(); -+ *(void **)&irqchip->irq_request_resources = gpiochip_irq_reqres; -+ *(void **)&irqchip->irq_release_resources = gpiochip_irq_relres; -+ pax_close_kernel(); - - /* - * Prepare the mapping since the irqchip shall be orthogonal to -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -index 488f51d..301d462 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -@@ -118,7 +118,7 @@ struct device_queue_manager_ops { - enum cache_policy alternate_policy, - void __user *alternate_aperture_base, - uint64_t alternate_aperture_size); --}; -+} __no_const; - - /** - * struct device_queue_manager -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -index 5940531..a75b0e5 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -@@ -62,7 +62,7 @@ struct kernel_queue_ops { - - void (*submit_packet)(struct kernel_queue *kq); - void (*rollback_packet)(struct kernel_queue *kq); --}; -+} __no_const; - - struct kernel_queue { - struct kernel_queue_ops ops; -diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c -index 9b23525..65f4110 100644 ---- a/drivers/gpu/drm/drm_context.c -+++ b/drivers/gpu/drm/drm_context.c -@@ -53,6 +53,9 @@ struct drm_ctx_list { - */ - void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->struct_mutex); - idr_remove(&dev->ctx_idr, ctx_handle); - mutex_unlock(&dev->struct_mutex); -@@ -87,6 +90,9 @@ static int drm_legacy_ctxbitmap_next(struct drm_device * dev) - */ - int drm_legacy_ctxbitmap_init(struct drm_device * dev) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - idr_init(&dev->ctx_idr); - return 0; - } -@@ -101,6 +107,9 @@ int drm_legacy_ctxbitmap_init(struct drm_device * dev) - */ - void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->struct_mutex); - idr_destroy(&dev->ctx_idr); - mutex_unlock(&dev->struct_mutex); -@@ -119,11 +128,14 @@ void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) - { - struct drm_ctx_list *pos, *tmp; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->ctxlist_mutex); - - list_for_each_entry_safe(pos, tmp, &dev->ctxlist, head) { - if (pos->tag == file && -- pos->handle != DRM_KERNEL_CONTEXT) { -+ _DRM_LOCKING_CONTEXT(pos->handle) != DRM_KERNEL_CONTEXT) { - if (dev->driver->context_dtor) - dev->driver->context_dtor(dev, pos->handle); - -@@ -161,6 +173,9 @@ int drm_legacy_getsareactx(struct drm_device *dev, void *data, - struct drm_local_map *map; - struct drm_map_list *_entry; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - mutex_lock(&dev->struct_mutex); - - map = idr_find(&dev->ctx_idr, request->ctx_id); -@@ -205,6 +220,9 @@ int drm_legacy_setsareactx(struct drm_device *dev, void *data, - struct drm_local_map *map = NULL; - struct drm_map_list *r_list = NULL; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - mutex_lock(&dev->struct_mutex); - list_for_each_entry(r_list, &dev->maplist, head) { - if (r_list->map -@@ -277,7 +295,13 @@ static int drm_context_switch_complete(struct drm_device *dev, - { - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - -- if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) { -+ if (file_priv->master->lock.hw_lock == NULL) { -+ DRM_ERROR( -+ "Device has been unregistered. Hard exit. Process %d\n", -+ task_pid_nr(current)); -+ send_sig(SIGTERM, current, 0); -+ return -EPERM; -+ } else if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - -@@ -305,6 +329,9 @@ int drm_legacy_resctx(struct drm_device *dev, void *data, - struct drm_ctx ctx; - int i; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - if (res->count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { -@@ -335,8 +362,11 @@ int drm_legacy_addctx(struct drm_device *dev, void *data, - struct drm_ctx_list *ctx_entry; - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - ctx->handle = drm_legacy_ctxbitmap_next(dev); -- if (ctx->handle == DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(ctx->handle) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx->handle = drm_legacy_ctxbitmap_next(dev); - } -@@ -378,6 +408,9 @@ int drm_legacy_getctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - /* This is 0, because we don't handle any context flags */ - ctx->flags = 0; - -@@ -400,6 +433,9 @@ int drm_legacy_switchctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); - return drm_context_switch(dev, dev->last_context, ctx->handle); - } -@@ -420,6 +456,9 @@ int drm_legacy_newctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); - drm_context_switch_complete(dev, file_priv, ctx->handle); - -@@ -442,8 +481,11 @@ int drm_legacy_rmctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); -- if (ctx->handle != DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(ctx->handle) != DRM_KERNEL_CONTEXT) { - if (dev->driver->context_dtor) - dev->driver->context_dtor(dev, ctx->handle); - drm_legacy_ctxbitmap_free(dev, ctx->handle); -diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c -index 800a025..c88f1a4 100644 ---- a/drivers/gpu/drm/drm_crtc.c -+++ b/drivers/gpu/drm/drm_crtc.c -@@ -4179,7 +4179,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev, - goto done; - } - -- if (copy_to_user(&enum_ptr[copied].name, -+ if (copy_to_user(enum_ptr[copied].name, - &prop_enum->name, DRM_PROP_NAME_LEN)) { - ret = -EFAULT; - goto done; -diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c -index 48f7359..8c3b594 100644 ---- a/drivers/gpu/drm/drm_drv.c -+++ b/drivers/gpu/drm/drm_drv.c -@@ -448,7 +448,7 @@ void drm_unplug_dev(struct drm_device *dev) - - drm_device_set_unplugged(dev); - -- if (dev->open_count == 0) { -+ if (local_read(&dev->open_count) == 0) { - drm_put_dev(dev); - } - mutex_unlock(&drm_global_mutex); -@@ -596,10 +596,13 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, - if (drm_ht_create(&dev->map_hash, 12)) - goto err_minors; - -- ret = drm_legacy_ctxbitmap_init(dev); -- if (ret) { -- DRM_ERROR("Cannot allocate memory for context bitmap.\n"); -- goto err_ht; -+ if (drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) { -+ ret = drm_legacy_ctxbitmap_init(dev); -+ if (ret) { -+ DRM_ERROR( -+ "Cannot allocate memory for context bitmap.\n"); -+ goto err_ht; -+ } - } - - if (drm_core_check_feature(dev, DRIVER_GEM)) { -diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c -index 076dd60..e4a4ba7 100644 ---- a/drivers/gpu/drm/drm_fops.c -+++ b/drivers/gpu/drm/drm_fops.c -@@ -89,7 +89,7 @@ int drm_open(struct inode *inode, struct file *filp) - return PTR_ERR(minor); - - dev = minor->dev; -- if (!dev->open_count++) -+ if (local_inc_return(&dev->open_count) == 1) - need_setup = 1; - - /* share address_space across all char-devs of a single device */ -@@ -106,7 +106,7 @@ int drm_open(struct inode *inode, struct file *filp) - return 0; - - err_undo: -- dev->open_count--; -+ local_dec(&dev->open_count); - drm_minor_release(minor); - return retcode; - } -@@ -376,7 +376,7 @@ int drm_release(struct inode *inode, struct file *filp) - - mutex_lock(&drm_global_mutex); - -- DRM_DEBUG("open_count = %d\n", dev->open_count); -+ DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count)); - - mutex_lock(&dev->struct_mutex); - list_del(&file_priv->lhead); -@@ -389,10 +389,10 @@ int drm_release(struct inode *inode, struct file *filp) - * Begin inline drm_release - */ - -- DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", -+ DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n", - task_pid_nr(current), - (long)old_encode_dev(file_priv->minor->kdev->devt), -- dev->open_count); -+ local_read(&dev->open_count)); - - /* Release any auth tokens that might point to this file_priv, - (do that under the drm_global_mutex) */ -@@ -465,7 +465,7 @@ int drm_release(struct inode *inode, struct file *filp) - * End inline drm_release - */ - -- if (!--dev->open_count) { -+ if (local_dec_and_test(&dev->open_count)) { - retcode = drm_lastclose(dev); - if (drm_device_is_unplugged(dev)) - drm_put_dev(dev); -diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c -index 3d2e91c..d31c4c9 100644 ---- a/drivers/gpu/drm/drm_global.c -+++ b/drivers/gpu/drm/drm_global.c -@@ -36,7 +36,7 @@ - struct drm_global_item { - struct mutex mutex; - void *object; -- int refcount; -+ atomic_t refcount; - }; - - static struct drm_global_item glob[DRM_GLOBAL_NUM]; -@@ -49,7 +49,7 @@ void drm_global_init(void) - struct drm_global_item *item = &glob[i]; - mutex_init(&item->mutex); - item->object = NULL; -- item->refcount = 0; -+ atomic_set(&item->refcount, 0); - } - } - -@@ -59,7 +59,7 @@ void drm_global_release(void) - for (i = 0; i < DRM_GLOBAL_NUM; ++i) { - struct drm_global_item *item = &glob[i]; - BUG_ON(item->object != NULL); -- BUG_ON(item->refcount != 0); -+ BUG_ON(atomic_read(&item->refcount) != 0); - } - } - -@@ -69,7 +69,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- if (item->refcount == 0) { -+ if (atomic_read(&item->refcount) == 0) { - item->object = kzalloc(ref->size, GFP_KERNEL); - if (unlikely(item->object == NULL)) { - ret = -ENOMEM; -@@ -82,7 +82,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - goto out_err; - - } -- ++item->refcount; -+ atomic_inc(&item->refcount); - ref->object = item->object; - mutex_unlock(&item->mutex); - return 0; -@@ -98,9 +98,9 @@ void drm_global_item_unref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- BUG_ON(item->refcount == 0); -+ BUG_ON(atomic_read(&item->refcount) == 0); - BUG_ON(ref->object != item->object); -- if (--item->refcount == 0) { -+ if (atomic_dec_and_test(&item->refcount)) { - ref->release(ref); - item->object = NULL; - } -diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c -index cbb4fc0..5c756cb9 100644 ---- a/drivers/gpu/drm/drm_info.c -+++ b/drivers/gpu/drm/drm_info.c -@@ -77,10 +77,13 @@ int drm_vm_info(struct seq_file *m, void *data) - struct drm_local_map *map; - struct drm_map_list *r_list; - -- /* Hardcoded from _DRM_FRAME_BUFFER, -- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and -- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ -- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; -+ static const char * const types[] = { -+ [_DRM_FRAME_BUFFER] = "FB", -+ [_DRM_REGISTERS] = "REG", -+ [_DRM_SHM] = "SHM", -+ [_DRM_AGP] = "AGP", -+ [_DRM_SCATTER_GATHER] = "SG", -+ [_DRM_CONSISTENT] = "PCI"}; - const char *type; - int i; - -@@ -91,7 +94,7 @@ int drm_vm_info(struct seq_file *m, void *data) - map = r_list->map; - if (!map) - continue; -- if (map->type < 0 || map->type > 5) -+ if (map->type >= ARRAY_SIZE(types)) - type = "??"; - else - type = types[map->type]; -diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c -index 9cfcd0a..7142a7f 100644 ---- a/drivers/gpu/drm/drm_ioc32.c -+++ b/drivers/gpu/drm/drm_ioc32.c -@@ -459,7 +459,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!access_ok(VERIFY_WRITE, request, nbytes)) - return -EFAULT; -- list = (struct drm_buf_desc *) (request + 1); -+ list = (struct drm_buf_desc __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -520,7 +520,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!access_ok(VERIFY_WRITE, request, nbytes)) - return -EFAULT; -- list = (struct drm_buf_pub *) (request + 1); -+ list = (struct drm_buf_pub __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -1075,7 +1075,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, - return 0; - } - --static drm_ioctl_compat_t *drm_compat_ioctls[] = { -+static drm_ioctl_compat_t drm_compat_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, -@@ -1122,7 +1122,6 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { - long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn; - int ret; - - /* Assume that ioctls without an explicit compat routine will just -@@ -1132,10 +1131,8 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - if (nr >= ARRAY_SIZE(drm_compat_ioctls)) - return drm_ioctl(filp, cmd, arg); - -- fn = drm_compat_ioctls[nr]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (drm_compat_ioctls[nr] != NULL) -+ ret = (*drm_compat_ioctls[nr]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c -index 266dcd6..d0194d9 100644 ---- a/drivers/gpu/drm/drm_ioctl.c -+++ b/drivers/gpu/drm/drm_ioctl.c -@@ -663,7 +663,7 @@ long drm_ioctl(struct file *filp, - struct drm_file *file_priv = filp->private_data; - struct drm_device *dev; - const struct drm_ioctl_desc *ioctl = NULL; -- drm_ioctl_t *func; -+ drm_ioctl_no_const_t func; - unsigned int nr = DRM_IOCTL_NR(cmd); - int retcode = -EINVAL; - char stack_kdata[128]; -diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c -index f861361..b61d4c7 100644 ---- a/drivers/gpu/drm/drm_lock.c -+++ b/drivers/gpu/drm/drm_lock.c -@@ -61,9 +61,12 @@ int drm_legacy_lock(struct drm_device *dev, void *data, - struct drm_master *master = file_priv->master; - int ret = 0; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - ++file_priv->lock_count; - -- if (lock->context == DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(lock->context) == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - task_pid_nr(current), lock->context); - return -EINVAL; -@@ -153,12 +156,23 @@ int drm_legacy_unlock(struct drm_device *dev, void *data, struct drm_file *file_ - struct drm_lock *lock = data; - struct drm_master *master = file_priv->master; - -- if (lock->context == DRM_KERNEL_CONTEXT) { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ -+ if (_DRM_LOCKING_CONTEXT(lock->context) == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - task_pid_nr(current), lock->context); - return -EINVAL; - } - -+ if (!master->lock.hw_lock) { -+ DRM_ERROR( -+ "Device has been unregistered. Hard exit. Process %d\n", -+ task_pid_nr(current)); -+ send_sig(SIGTERM, current, 0); -+ return -EPERM; -+ } -+ - if (drm_legacy_lock_free(&master->lock, lock->context)) { - /* FIXME: Should really bail out here. */ - } -diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -index d4813e0..6c1ab4d 100644 ---- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -@@ -825,10 +825,16 @@ void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - -- u32 pipeconf = dev_priv->pipeconf[pipe]; -- u32 dspcntr = dev_priv->dspcntr[pipe]; -+ u32 pipeconf; -+ u32 dspcntr; - u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; - -+ if (pipe == -1) -+ return; -+ -+ pipeconf = dev_priv->pipeconf[pipe]; -+ dspcntr = dev_priv->dspcntr[pipe]; -+ - if (pipe) { - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; -diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h -index 93ec5dc..82acbaf 100644 ---- a/drivers/gpu/drm/i810/i810_drv.h -+++ b/drivers/gpu/drm/i810/i810_drv.h -@@ -110,8 +110,8 @@ typedef struct drm_i810_private { - int page_flipping; - - wait_queue_head_t irq_queue; -- atomic_t irq_received; -- atomic_t irq_emitted; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_emitted; - - int front_offset; - } drm_i810_private_t; -diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c -index 68e0c85..3303192 100644 ---- a/drivers/gpu/drm/i915/i915_dma.c -+++ b/drivers/gpu/drm/i915/i915_dma.c -@@ -162,6 +162,8 @@ static int i915_getparam(struct drm_device *dev, void *data, - value = INTEL_INFO(dev)->eu_total; - if (!value) - return -ENODEV; -+ case I915_PARAM_HAS_LEGACY_CONTEXT: -+ value = drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT); - break; - default: - DRM_DEBUG("Unknown parameter %d\n", param->param); -@@ -376,7 +378,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops i915_switcheroo_ops = { -diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -index a3190e79..86b06cb 100644 ---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c -+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -@@ -936,12 +936,12 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec) - static int - validate_exec_list(struct drm_device *dev, - struct drm_i915_gem_exec_object2 *exec, -- int count) -+ unsigned int count) - { - unsigned relocs_total = 0; - unsigned relocs_max = UINT_MAX / sizeof(struct drm_i915_gem_relocation_entry); - unsigned invalid_flags; -- int i; -+ unsigned int i; - - invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS; - if (USES_FULL_PPGTT(dev)) -diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c -index 23aa04c..1d25960 100644 ---- a/drivers/gpu/drm/i915/i915_ioc32.c -+++ b/drivers/gpu/drm/i915/i915_ioc32.c -@@ -62,7 +62,7 @@ static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, - || __put_user(batchbuffer32.DR4, &batchbuffer->DR4) - || __put_user(batchbuffer32.num_cliprects, - &batchbuffer->num_cliprects) -- || __put_user((int __user *)(unsigned long)batchbuffer32.cliprects, -+ || __put_user((struct drm_clip_rect __user *)(unsigned long)batchbuffer32.cliprects, - &batchbuffer->cliprects)) - return -EFAULT; - -@@ -91,13 +91,13 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, - - cmdbuffer = compat_alloc_user_space(sizeof(*cmdbuffer)); - if (!access_ok(VERIFY_WRITE, cmdbuffer, sizeof(*cmdbuffer)) -- || __put_user((int __user *)(unsigned long)cmdbuffer32.buf, -+ || __put_user((char __user *)(unsigned long)cmdbuffer32.buf, - &cmdbuffer->buf) - || __put_user(cmdbuffer32.sz, &cmdbuffer->sz) - || __put_user(cmdbuffer32.DR1, &cmdbuffer->DR1) - || __put_user(cmdbuffer32.DR4, &cmdbuffer->DR4) - || __put_user(cmdbuffer32.num_cliprects, &cmdbuffer->num_cliprects) -- || __put_user((int __user *)(unsigned long)cmdbuffer32.cliprects, -+ || __put_user((struct drm_clip_rect __user *)(unsigned long)cmdbuffer32.cliprects, - &cmdbuffer->cliprects)) - return -EFAULT; - -@@ -181,7 +181,7 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd, - (unsigned long)request); - } - --static drm_ioctl_compat_t *i915_compat_ioctls[] = { -+static drm_ioctl_compat_t i915_compat_ioctls[] = { - [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer, - [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer, - [DRM_I915_GETPARAM] = compat_i915_getparam, -@@ -201,17 +201,13 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { - long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) -- fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls) && i915_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*i915_compat_ioctls[nr - DRM_COMMAND_BASE])(filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c -index 57c8878..8ef38a7 100644 ---- a/drivers/gpu/drm/i915/intel_display.c -+++ b/drivers/gpu/drm/i915/intel_display.c -@@ -13617,13 +13617,13 @@ struct intel_quirk { - int subsystem_vendor; - int subsystem_device; - void (*hook)(struct drm_device *dev); --}; -+} __do_const; - - /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ - struct intel_dmi_quirk { - void (*hook)(struct drm_device *dev); - const struct dmi_system_id (*dmi_id_list)[]; --}; -+} __do_const; - - static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - { -@@ -13631,18 +13631,20 @@ static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - return 1; - } - --static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+static const struct dmi_system_id intel_dmi_quirks_table[] = { - { -- .dmi_id_list = &(const struct dmi_system_id[]) { -- { -- .callback = intel_dmi_reverse_brightness, -- .ident = "NCR Corporation", -- .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -- DMI_MATCH(DMI_PRODUCT_NAME, ""), -- }, -- }, -- { } /* terminating entry */ -+ .callback = intel_dmi_reverse_brightness, -+ .ident = "NCR Corporation", -+ .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -+ DMI_MATCH(DMI_PRODUCT_NAME, ""), - }, -+ }, -+ { } /* terminating entry */ -+}; -+ -+static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+ { -+ .dmi_id_list = &intel_dmi_quirks_table, - .hook = quirk_invert_brightness, - }, - }; -diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c -index 74f505b..21f6914 100644 ---- a/drivers/gpu/drm/imx/imx-drm-core.c -+++ b/drivers/gpu/drm/imx/imx-drm-core.c -@@ -355,7 +355,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, - if (imxdrm->pipes >= MAX_CRTC) - return -EINVAL; - -- if (imxdrm->drm->open_count) -+ if (local_read(&imxdrm->drm->open_count)) - return -EBUSY; - - imx_drm_crtc = kzalloc(sizeof(*imx_drm_crtc), GFP_KERNEL); -diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h -index b4a20149..219ab78 100644 ---- a/drivers/gpu/drm/mga/mga_drv.h -+++ b/drivers/gpu/drm/mga/mga_drv.h -@@ -122,9 +122,9 @@ typedef struct drm_mga_private { - u32 clear_cmd; - u32 maccess; - -- atomic_t vbl_received; /**< Number of vblanks received. */ -+ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */ - wait_queue_head_t fence_queue; -- atomic_t last_fence_retired; -+ atomic_unchecked_t last_fence_retired; - u32 next_fence_to_post; - - unsigned int fb_cpp; -diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c -index 729bfd5..14bae78 100644 ---- a/drivers/gpu/drm/mga/mga_ioc32.c -+++ b/drivers/gpu/drm/mga/mga_ioc32.c -@@ -190,7 +190,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, - return 0; - } - --drm_ioctl_compat_t *mga_compat_ioctls[] = { -+drm_ioctl_compat_t mga_compat_ioctls[] = { - [DRM_MGA_INIT] = compat_mga_init, - [DRM_MGA_GETPARAM] = compat_mga_getparam, - [DRM_MGA_DMA_BOOTSTRAP] = compat_mga_dma_bootstrap, -@@ -208,17 +208,13 @@ drm_ioctl_compat_t *mga_compat_ioctls[] = { - long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls)) -- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls) && mga_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*mga_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c -index 1b071b8..de8601a 100644 ---- a/drivers/gpu/drm/mga/mga_irq.c -+++ b/drivers/gpu/drm/mga/mga_irq.c -@@ -43,7 +43,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - -@@ -59,7 +59,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & MGA_VLINEPEN) { - MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - handled = 1; - } -@@ -78,7 +78,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - if ((prim_start & ~0x03) != (prim_end & ~0x03)) - MGA_WRITE(MGA_PRIMEND, prim_end); - -- atomic_inc(&dev_priv->last_fence_retired); -+ atomic_inc_unchecked(&dev_priv->last_fence_retired); - wake_up(&dev_priv->fence_queue); - handled = 1; - } -@@ -129,7 +129,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence) - * using fences. - */ - DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * HZ, -- (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) -+ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired)) - - *sequence) <= (1 << 23))); - - *sequence = cur_fence; -diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c -index 0190b69..60c3eaf 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_bios.c -+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c -@@ -963,7 +963,7 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios, - struct bit_table { - const char id; - int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *); --}; -+} __no_const; - - #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry }) - -diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c -index cd6dae0..f25eb48 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c -@@ -943,7 +943,8 @@ static struct drm_driver - driver_stub = { - .driver_features = - DRIVER_USE_AGP | -- DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, -+ DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | -+ DRIVER_KMS_LEGACY_CONTEXT, - - .load = nouveau_drm_load, - .unload = nouveau_drm_unload, -diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h -index dd72652..1fd2368 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.h -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h -@@ -123,7 +123,6 @@ struct nouveau_drm { - struct drm_global_reference mem_global_ref; - struct ttm_bo_global_ref bo_global_ref; - struct ttm_bo_device bdev; -- atomic_t validate_sequence; - int (*move)(struct nouveau_channel *, - struct ttm_buffer_object *, - struct ttm_mem_reg *, struct ttm_mem_reg *); -diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -index 462679a..88e32a7 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ioc32.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -@@ -50,7 +50,7 @@ long nouveau_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; -+ drm_ioctl_compat_t fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) -diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c -index 18f4497..10f6025 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ttm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c -@@ -130,11 +130,11 @@ nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nouveau_vram_manager = { -- nouveau_vram_manager_init, -- nouveau_vram_manager_fini, -- nouveau_vram_manager_new, -- nouveau_vram_manager_del, -- nouveau_vram_manager_debug -+ .init = nouveau_vram_manager_init, -+ .takedown = nouveau_vram_manager_fini, -+ .get_node = nouveau_vram_manager_new, -+ .put_node = nouveau_vram_manager_del, -+ .debug = nouveau_vram_manager_debug - }; - - static int -@@ -198,11 +198,11 @@ nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nouveau_gart_manager = { -- nouveau_gart_manager_init, -- nouveau_gart_manager_fini, -- nouveau_gart_manager_new, -- nouveau_gart_manager_del, -- nouveau_gart_manager_debug -+ .init = nouveau_gart_manager_init, -+ .takedown = nouveau_gart_manager_fini, -+ .get_node = nouveau_gart_manager_new, -+ .put_node = nouveau_gart_manager_del, -+ .debug = nouveau_gart_manager_debug - }; - - /*XXX*/ -@@ -271,11 +271,11 @@ nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nv04_gart_manager = { -- nv04_gart_manager_init, -- nv04_gart_manager_fini, -- nv04_gart_manager_new, -- nv04_gart_manager_del, -- nv04_gart_manager_debug -+ .init = nv04_gart_manager_init, -+ .takedown = nv04_gart_manager_fini, -+ .get_node = nv04_gart_manager_new, -+ .put_node = nv04_gart_manager_del, -+ .debug = nv04_gart_manager_debug - }; - - int -diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c -index c7592ec..dd45ebc 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_vga.c -+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c -@@ -72,7 +72,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops -diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c -index f33251d..22f6cb1 100644 ---- a/drivers/gpu/drm/qxl/qxl_cmd.c -+++ b/drivers/gpu/drm/qxl/qxl_cmd.c -@@ -285,27 +285,27 @@ static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port, - int ret; - - mutex_lock(&qdev->async_io_mutex); -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - if (qdev->last_sent_io_cmd > irq_num) { - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - /* 0 is timeout, just bail the "hw" has gone away */ - if (ret <= 0) - goto out; -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - } - outb(val, addr); - qdev->last_sent_io_cmd = irq_num + 1; - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - out: - if (ret > 0) - ret = 0; -diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c -index 6911b8c..89d6867 100644 ---- a/drivers/gpu/drm/qxl/qxl_debugfs.c -+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c -@@ -42,10 +42,10 @@ qxl_debugfs_irq_received(struct seq_file *m, void *data) - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct qxl_device *qdev = node->minor->dev->dev_private; - -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_display)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_cursor)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_io_cmd)); - seq_printf(m, "%d\n", qdev->irq_received_error); - return 0; - } -diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h -index 7c6cafe..460f542 100644 ---- a/drivers/gpu/drm/qxl/qxl_drv.h -+++ b/drivers/gpu/drm/qxl/qxl_drv.h -@@ -290,10 +290,10 @@ struct qxl_device { - unsigned int last_sent_io_cmd; - - /* interrupt handling */ -- atomic_t irq_received; -- atomic_t irq_received_display; -- atomic_t irq_received_cursor; -- atomic_t irq_received_io_cmd; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_received_display; -+ atomic_unchecked_t irq_received_cursor; -+ atomic_unchecked_t irq_received_io_cmd; - unsigned irq_received_error; - wait_queue_head_t display_event; - wait_queue_head_t cursor_event; -diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c -index 7354a4c..f37d7f9 100644 ---- a/drivers/gpu/drm/qxl/qxl_ioctl.c -+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c -@@ -183,7 +183,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - - /* TODO copy slow path code from i915 */ - fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE)); -- unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void *)(unsigned long)cmd->command, cmd->command_size); -+ unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void __force_user *)(unsigned long)cmd->command, cmd->command_size); - - { - struct qxl_drawable *draw = fb_cmd; -@@ -203,7 +203,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - struct drm_qxl_reloc reloc; - - if (copy_from_user(&reloc, -- &((struct drm_qxl_reloc *)(uintptr_t)cmd->relocs)[i], -+ &((struct drm_qxl_reloc __force_user *)(uintptr_t)cmd->relocs)[i], - sizeof(reloc))) { - ret = -EFAULT; - goto out_free_bos; -@@ -296,10 +296,10 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, - - for (cmd_num = 0; cmd_num < execbuffer->commands_num; ++cmd_num) { - -- struct drm_qxl_command *commands = -- (struct drm_qxl_command *)(uintptr_t)execbuffer->commands; -+ struct drm_qxl_command __user *commands = -+ (struct drm_qxl_command __user *)(uintptr_t)execbuffer->commands; - -- if (copy_from_user(&user_cmd, &commands[cmd_num], -+ if (copy_from_user(&user_cmd, (struct drm_qxl_command __force_user *)&commands[cmd_num], - sizeof(user_cmd))) - return -EFAULT; - -diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c -index 0bf1e20..42a7310 100644 ---- a/drivers/gpu/drm/qxl/qxl_irq.c -+++ b/drivers/gpu/drm/qxl/qxl_irq.c -@@ -36,19 +36,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg) - if (!pending) - return IRQ_NONE; - -- atomic_inc(&qdev->irq_received); -+ atomic_inc_unchecked(&qdev->irq_received); - - if (pending & QXL_INTERRUPT_DISPLAY) { -- atomic_inc(&qdev->irq_received_display); -+ atomic_inc_unchecked(&qdev->irq_received_display); - wake_up_all(&qdev->display_event); - qxl_queue_garbage_collect(qdev, false); - } - if (pending & QXL_INTERRUPT_CURSOR) { -- atomic_inc(&qdev->irq_received_cursor); -+ atomic_inc_unchecked(&qdev->irq_received_cursor); - wake_up_all(&qdev->cursor_event); - } - if (pending & QXL_INTERRUPT_IO_CMD) { -- atomic_inc(&qdev->irq_received_io_cmd); -+ atomic_inc_unchecked(&qdev->irq_received_io_cmd); - wake_up_all(&qdev->io_cmd_event); - } - if (pending & QXL_INTERRUPT_ERROR) { -@@ -85,10 +85,10 @@ int qxl_irq_init(struct qxl_device *qdev) - init_waitqueue_head(&qdev->io_cmd_event); - INIT_WORK(&qdev->client_monitors_config_work, - qxl_client_monitors_config_work_func); -- atomic_set(&qdev->irq_received, 0); -- atomic_set(&qdev->irq_received_display, 0); -- atomic_set(&qdev->irq_received_cursor, 0); -- atomic_set(&qdev->irq_received_io_cmd, 0); -+ atomic_set_unchecked(&qdev->irq_received, 0); -+ atomic_set_unchecked(&qdev->irq_received_display, 0); -+ atomic_set_unchecked(&qdev->irq_received_cursor, 0); -+ atomic_set_unchecked(&qdev->irq_received_io_cmd, 0); - qdev->irq_received_error = 0; - ret = drm_irq_install(qdev->ddev, qdev->ddev->pdev->irq); - qdev->ram_header->int_mask = QXL_INTERRUPT_MASK; -diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c -index 0cbc4c9..0e46686 100644 ---- a/drivers/gpu/drm/qxl/qxl_ttm.c -+++ b/drivers/gpu/drm/qxl/qxl_ttm.c -@@ -103,7 +103,7 @@ static void qxl_ttm_global_fini(struct qxl_device *qdev) - } - } - --static struct vm_operations_struct qxl_ttm_vm_ops; -+static vm_operations_struct_no_const qxl_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops; - - static int qxl_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -145,8 +145,10 @@ int qxl_mmap(struct file *filp, struct vm_area_struct *vma) - return r; - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - qxl_ttm_vm_ops = *ttm_vm_ops; - qxl_ttm_vm_ops.fault = &qxl_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &qxl_ttm_vm_ops; - return 0; -@@ -464,25 +466,23 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data) - static int qxl_ttm_debugfs_init(struct qxl_device *qdev) - { - #if defined(CONFIG_DEBUG_FS) -- static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES]; -- static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32]; -- unsigned i; -+ static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES] = { -+ { -+ .name = "qxl_mem_mm", -+ .show = &qxl_mm_dump_table, -+ }, -+ { -+ .name = "qxl_surf_mm", -+ .show = &qxl_mm_dump_table, -+ } -+ }; - -- for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) { -- if (i == 0) -- sprintf(qxl_mem_types_names[i], "qxl_mem_mm"); -- else -- sprintf(qxl_mem_types_names[i], "qxl_surf_mm"); -- qxl_mem_types_list[i].name = qxl_mem_types_names[i]; -- qxl_mem_types_list[i].show = &qxl_mm_dump_table; -- qxl_mem_types_list[i].driver_features = 0; -- if (i == 0) -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -- else -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv; -+ pax_open_kernel(); -+ *(void **)&qxl_mem_types_list[0].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -+ *(void **)&qxl_mem_types_list[1].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv; -+ pax_close_kernel(); - -- } -- return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i); -+ return qxl_debugfs_add_files(qdev, qxl_mem_types_list, QXL_DEBUGFS_MEM_TYPES); - #else - return 0; - #endif -diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c -index 2c45ac9..5d740f8 100644 ---- a/drivers/gpu/drm/r128/r128_cce.c -+++ b/drivers/gpu/drm/r128/r128_cce.c -@@ -377,7 +377,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init) - - /* GH: Simple idle check. - */ -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring -diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h -index 723e5d6..102dbaf 100644 ---- a/drivers/gpu/drm/r128/r128_drv.h -+++ b/drivers/gpu/drm/r128/r128_drv.h -@@ -93,14 +93,14 @@ typedef struct drm_r128_private { - int is_pci; - unsigned long cce_buffers_offset; - -- atomic_t idle_count; -+ atomic_unchecked_t idle_count; - - int page_flipping; - int current_page; - u32 crtc_offset; - u32 crtc_offset_cntl; - -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - - u32 color_fmt; - unsigned int front_offset; -diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c -index 663f38c..ec159a1 100644 ---- a/drivers/gpu/drm/r128/r128_ioc32.c -+++ b/drivers/gpu/drm/r128/r128_ioc32.c -@@ -178,7 +178,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd, - return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam); - } - --drm_ioctl_compat_t *r128_compat_ioctls[] = { -+drm_ioctl_compat_t r128_compat_ioctls[] = { - [DRM_R128_INIT] = compat_r128_init, - [DRM_R128_DEPTH] = compat_r128_depth, - [DRM_R128_STIPPLE] = compat_r128_stipple, -@@ -197,17 +197,13 @@ drm_ioctl_compat_t *r128_compat_ioctls[] = { - long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) -- fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls) && r128_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*r128_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c -index c2ae496..30b5993 100644 ---- a/drivers/gpu/drm/r128/r128_irq.c -+++ b/drivers/gpu/drm/r128/r128_irq.c -@@ -41,7 +41,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t r128_driver_irq_handler(int irq, void *arg) -@@ -55,7 +55,7 @@ irqreturn_t r128_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & R128_CRTC_VBLANK_INT) { - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - return IRQ_HANDLED; - } -diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c -index 8fd2d9f..18c9660 100644 ---- a/drivers/gpu/drm/r128/r128_state.c -+++ b/drivers/gpu/drm/r128/r128_state.c -@@ -320,10 +320,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv, - - static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) - { -- if (atomic_read(&dev_priv->idle_count) == 0) -+ if (atomic_read_unchecked(&dev_priv->idle_count) == 0) - r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); - else -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - } - - #endif -diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c -index b928c17..e5d9400 100644 ---- a/drivers/gpu/drm/radeon/mkregtable.c -+++ b/drivers/gpu/drm/radeon/mkregtable.c -@@ -624,14 +624,14 @@ static int parser_auth(struct table *t, const char *filename) - regex_t mask_rex; - regmatch_t match[4]; - char buf[1024]; -- size_t end; -+ long end; - int len; - int done = 0; - int r; - unsigned o; - struct offset *offset; - char last_reg_s[10]; -- int last_reg; -+ unsigned long last_reg; - - if (regcomp - (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) { -diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c -index 604c44d..6eb6c4b 100644 ---- a/drivers/gpu/drm/radeon/radeon_device.c -+++ b/drivers/gpu/drm/radeon/radeon_device.c -@@ -1247,7 +1247,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = { -diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h -index 46bd393..6ae4719 100644 ---- a/drivers/gpu/drm/radeon/radeon_drv.h -+++ b/drivers/gpu/drm/radeon/radeon_drv.h -@@ -264,7 +264,7 @@ typedef struct drm_radeon_private { - - /* SW interrupt */ - wait_queue_head_t swi_queue; -- atomic_t swi_emitted; -+ atomic_unchecked_t swi_emitted; - int vblank_crtc; - uint32_t irq_enable_reg; - uint32_t r500_disp_irq_reg; -diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c -index 0b98ea1..a3c770f 100644 ---- a/drivers/gpu/drm/radeon/radeon_ioc32.c -+++ b/drivers/gpu/drm/radeon/radeon_ioc32.c -@@ -358,7 +358,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) - || __put_user(req32.param, &request->param) -- || __put_user((void __user *)(unsigned long)req32.value, -+ || __put_user((unsigned long)req32.value, - &request->value)) - return -EFAULT; - -@@ -368,7 +368,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - #define compat_radeon_cp_setparam NULL - #endif /* X86_64 || IA64 */ - --static drm_ioctl_compat_t *radeon_compat_ioctls[] = { -+static drm_ioctl_compat_t radeon_compat_ioctls[] = { - [DRM_RADEON_CP_INIT] = compat_radeon_cp_init, - [DRM_RADEON_CLEAR] = compat_radeon_cp_clear, - [DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple, -@@ -393,17 +393,13 @@ static drm_ioctl_compat_t *radeon_compat_ioctls[] = { - long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls)) -- fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls) && radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c -index 244b19b..c19226d 100644 ---- a/drivers/gpu/drm/radeon/radeon_irq.c -+++ b/drivers/gpu/drm/radeon/radeon_irq.c -@@ -226,8 +226,8 @@ static int radeon_emit_irq(struct drm_device * dev) - unsigned int ret; - RING_LOCALS; - -- atomic_inc(&dev_priv->swi_emitted); -- ret = atomic_read(&dev_priv->swi_emitted); -+ atomic_inc_unchecked(&dev_priv->swi_emitted); -+ ret = atomic_read_unchecked(&dev_priv->swi_emitted); - - BEGIN_RING(4); - OUT_RING_REG(RADEON_LAST_SWI_REG, ret); -@@ -353,7 +353,7 @@ int radeon_driver_irq_postinstall(struct drm_device *dev) - drm_radeon_private_t *dev_priv = - (drm_radeon_private_t *) dev->dev_private; - -- atomic_set(&dev_priv->swi_emitted, 0); -+ atomic_set_unchecked(&dev_priv->swi_emitted, 0); - init_waitqueue_head(&dev_priv->swi_queue); - - dev->max_vblank_count = 0x001fffff; -diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c -index 15aee72..cda326e 100644 ---- a/drivers/gpu/drm/radeon/radeon_state.c -+++ b/drivers/gpu/drm/radeon/radeon_state.c -@@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file * - if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - -- if (copy_from_user(&depth_boxes, clear->depth_boxes, -+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || copy_from_user(&depth_boxes, clear->depth_boxes, - sarea_priv->nbox * sizeof(depth_boxes[0]))) - return -EFAULT; - -@@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil - { - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_getparam_t *param = data; -- int value; -+ int value = 0; - - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID); - -diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c -index edafd3c..3af7c9c 100644 ---- a/drivers/gpu/drm/radeon/radeon_ttm.c -+++ b/drivers/gpu/drm/radeon/radeon_ttm.c -@@ -961,7 +961,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) - man->size = size >> PAGE_SHIFT; - } - --static struct vm_operations_struct radeon_ttm_vm_ops; -+static vm_operations_struct_no_const radeon_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops = NULL; - - static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -1002,8 +1002,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma) - } - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - radeon_ttm_vm_ops = *ttm_vm_ops; - radeon_ttm_vm_ops.fault = &radeon_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &radeon_ttm_vm_ops; - return 0; -diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c -index a287e4f..df1d5dd 100644 ---- a/drivers/gpu/drm/tegra/dc.c -+++ b/drivers/gpu/drm/tegra/dc.c -@@ -1594,7 +1594,7 @@ static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor) - } - - for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- dc->debugfs_files[i].data = dc; -+ *(void **)&dc->debugfs_files[i].data = dc; - - err = drm_debugfs_create_files(dc->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c -index ed970f6..4eeea42 100644 ---- a/drivers/gpu/drm/tegra/dsi.c -+++ b/drivers/gpu/drm/tegra/dsi.c -@@ -62,7 +62,7 @@ struct tegra_dsi { - struct clk *clk_lp; - struct clk *clk; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - -diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c -index 06ab178..b5324e4 100644 ---- a/drivers/gpu/drm/tegra/hdmi.c -+++ b/drivers/gpu/drm/tegra/hdmi.c -@@ -64,7 +64,7 @@ struct tegra_hdmi { - bool stereo; - bool dvi; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - }; -diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c -index 7591d89..463e2b6 100644 ---- a/drivers/gpu/drm/tegra/sor.c -+++ b/drivers/gpu/drm/tegra/sor.c -@@ -826,8 +826,11 @@ static int tegra_sor_debugfs_init(struct tegra_sor *sor, - goto remove; - } - -- for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- sor->debugfs_files[i].data = sor; -+ for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) { -+ pax_open_kernel(); -+ *(void **)&sor->debugfs_files[i].data = sor; -+ pax_close_kernel(); -+ } - - err = drm_debugfs_create_files(sor->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c -index aa0bd054..aea6a01 100644 ---- a/drivers/gpu/drm/ttm/ttm_bo_manager.c -+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c -@@ -148,10 +148,10 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func ttm_bo_manager_func = { -- ttm_bo_man_init, -- ttm_bo_man_takedown, -- ttm_bo_man_get_node, -- ttm_bo_man_put_node, -- ttm_bo_man_debug -+ .init = ttm_bo_man_init, -+ .takedown = ttm_bo_man_takedown, -+ .get_node = ttm_bo_man_get_node, -+ .put_node = ttm_bo_man_put_node, -+ .debug = ttm_bo_man_debug - }; - EXPORT_SYMBOL(ttm_bo_manager_func); -diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c -index a1803fb..c53f6b0 100644 ---- a/drivers/gpu/drm/ttm/ttm_memory.c -+++ b/drivers/gpu/drm/ttm/ttm_memory.c -@@ -264,7 +264,7 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_kernel = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -@@ -348,7 +348,7 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_dma32 = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c -index 025c429..314062f 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c -@@ -54,7 +54,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 16 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define PAGE_FREE_INTERVAL 1000 - -@@ -299,15 +299,14 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool, - * @free_all: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, -+static unsigned long ttm_page_pool_free(struct ttm_page_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; - unsigned long irq_flags; - struct page *p; - struct page **pages_to_free; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -371,7 +370,8 @@ restart: - __list_del(&p->lru, &pool->list); - - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -399,7 +399,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - unsigned i; - unsigned pool_offset; - struct ttm_page_pool *pool; -- int shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - unsigned long freed = 0; - - if (!mutex_trylock(&lock)) -@@ -407,7 +407,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - pool_offset = ++start_pool % NUM_POOLS; - /* select start pool in round robin fashion */ - for (i = 0; i < NUM_POOLS; ++i) { -- unsigned nr_free = shrink_pages; -+ unsigned long nr_free = shrink_pages; - if (shrink_pages == 0) - break; - pool = &_manager->pools[(i + pool_offset)%NUM_POOLS]; -@@ -673,7 +673,7 @@ out: - } - - /* Put all pages in pages list to correct pool to wait for reuse */ --static void ttm_put_pages(struct page **pages, unsigned npages, int flags, -+static void ttm_put_pages(struct page **pages, unsigned long npages, int flags, - enum ttm_caching_state cstate) - { - unsigned long irq_flags; -@@ -728,7 +728,7 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, - struct list_head plist; - struct page *p = NULL; - gfp_t gfp_flags = GFP_USER; -- unsigned count; -+ unsigned long count; - int r; - - /* set zero flag for page allocation if required */ -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -index 01e1d27..aaa018a 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -@@ -56,7 +56,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 4 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define IS_UNDEFINED (0) - #define IS_WC (1<<1) -@@ -413,7 +413,7 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page) - * @nr_free: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, -+static unsigned long ttm_dma_page_pool_free(struct dma_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; -@@ -421,8 +421,7 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, - struct dma_page *dma_p, *tmp; - struct page **pages_to_free; - struct list_head d_pages; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -499,7 +498,8 @@ restart: - /* remove range of pages from the pool */ - if (freed_pages) { - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -936,7 +936,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) - struct dma_page *d_page, *next; - enum pool_type type; - bool is_cached = false; -- unsigned count = 0, i, npages = 0; -+ unsigned long count = 0, i, npages = 0; - unsigned long irq_flags; - - type = ttm_to_type(ttm->page_flags, ttm->caching_state); -@@ -1012,7 +1012,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - static unsigned start_pool; - unsigned idx = 0; - unsigned pool_offset; -- unsigned shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - struct device_pools *p; - unsigned long freed = 0; - -@@ -1025,7 +1025,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - goto out; - pool_offset = ++start_pool % _manager->npools; - list_for_each_entry(p, &_manager->pools, pools) { -- unsigned nr_free; -+ unsigned long nr_free; - - if (!p->dev) - continue; -@@ -1039,7 +1039,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true); - freed += nr_free - shrink_pages; - -- pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n", -+ pr_debug("%s: (%s:%d) Asked to shrink %lu, have %lu more to go\n", - p->pool->dev_name, p->pool->name, current->pid, - nr_free, shrink_pages); - } -diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c -index 5fc16ce..1bd84ec 100644 ---- a/drivers/gpu/drm/udl/udl_fb.c -+++ b/drivers/gpu/drm/udl/udl_fb.c -@@ -367,7 +367,6 @@ static int udl_fb_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = udl_fb_mmap; - } - - pr_warn("released /dev/fb%d user=%d count=%d\n", -diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h -index ef8c500..01030c8 100644 ---- a/drivers/gpu/drm/via/via_drv.h -+++ b/drivers/gpu/drm/via/via_drv.h -@@ -53,7 +53,7 @@ typedef struct drm_via_ring_buffer { - typedef uint32_t maskarray_t[5]; - - typedef struct drm_via_irq { -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - uint32_t pending_mask; - uint32_t enable_mask; - wait_queue_head_t irq_queue; -@@ -77,7 +77,7 @@ typedef struct drm_via_private { - struct timeval last_vblank; - int last_vblank_valid; - unsigned usec_per_vblank; -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - drm_via_state_t hc_state; - char pci_buf[VIA_PCI_BUF_SIZE]; - const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; -diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c -index 1319433..a993b0c 100644 ---- a/drivers/gpu/drm/via/via_irq.c -+++ b/drivers/gpu/drm/via/via_irq.c -@@ -101,7 +101,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t via_driver_irq_handler(int irq, void *arg) -@@ -116,8 +116,8 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - status = VIA_READ(VIA_REG_INTERRUPT); - if (status & VIA_IRQ_VBLANK_PENDING) { -- atomic_inc(&dev_priv->vbl_received); -- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) { -+ atomic_inc_unchecked(&dev_priv->vbl_received); -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) { - do_gettimeofday(&cur_vblank); - if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = -@@ -127,7 +127,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - dev_priv->last_vblank = cur_vblank; - dev_priv->last_vblank_valid = 1; - } -- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) { -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) { - DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); - } -@@ -137,7 +137,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - for (i = 0; i < dev_priv->num_irqs; ++i) { - if (status & cur_irq->pending_mask) { -- atomic_inc(&cur_irq->irq_received); -+ atomic_inc_unchecked(&cur_irq->irq_received); - wake_up(&cur_irq->irq_queue); - handled = 1; - if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) -@@ -242,11 +242,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == - masks[irq][4])); -- cur_irq_sequence = atomic_read(&cur_irq->irq_received); -+ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received); - } else { - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - (((cur_irq_sequence = -- atomic_read(&cur_irq->irq_received)) - -+ atomic_read_unchecked(&cur_irq->irq_received)) - - *sequence) <= (1 << 23))); - } - *sequence = cur_irq_sequence; -@@ -284,7 +284,7 @@ void via_driver_irq_preinstall(struct drm_device *dev) - } - - for (i = 0; i < dev_priv->num_irqs; ++i) { -- atomic_set(&cur_irq->irq_received, 0); -+ atomic_set_unchecked(&cur_irq->irq_received, 0); - cur_irq->enable_mask = dev_priv->irq_masks[i][0]; - cur_irq->pending_mask = dev_priv->irq_masks[i][1]; - init_waitqueue_head(&cur_irq->irq_queue); -@@ -366,7 +366,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv) - switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) { - case VIA_IRQ_RELATIVE: - irqwait->request.sequence += -- atomic_read(&cur_irq->irq_received); -+ atomic_read_unchecked(&cur_irq->irq_received); - irqwait->request.type &= ~_DRM_VBLANK_RELATIVE; - case VIA_IRQ_ABSOLUTE: - break; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -index d26a6da..5fa41ed 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -@@ -447,7 +447,7 @@ struct vmw_private { - * Fencing and IRQs. - */ - -- atomic_t marker_seq; -+ atomic_unchecked_t marker_seq; - wait_queue_head_t fence_queue; - wait_queue_head_t fifo_queue; - spinlock_t waiter_lock; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -index 39f2b03..d1b0a64 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -@@ -152,7 +152,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) - (unsigned int) min, - (unsigned int) fifo->capabilities); - -- atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno); -+ atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno); - iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE); - vmw_marker_queue_init(&fifo->marker_queue); - return vmw_fifo_send_fence(dev_priv, &dummy); -@@ -372,7 +372,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes) - if (reserveable) - iowrite32(bytes, fifo_mem + - SVGA_FIFO_RESERVED); -- return fifo_mem + (next_cmd >> 2); -+ return (__le32 __force_kernel *)fifo_mem + (next_cmd >> 2); - } else { - need_bounce = true; - } -@@ -492,7 +492,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - - fm = vmw_fifo_reserve(dev_priv, bytes); - if (unlikely(fm == NULL)) { -- *seqno = atomic_read(&dev_priv->marker_seq); -+ *seqno = atomic_read_unchecked(&dev_priv->marker_seq); - ret = -ENOMEM; - (void)vmw_fallback_wait(dev_priv, false, true, *seqno, - false, 3*HZ); -@@ -500,7 +500,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - } - - do { -- *seqno = atomic_add_return(1, &dev_priv->marker_seq); -+ *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq); - } while (*seqno == 0); - - if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -index 170b61b..fec7348 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -@@ -164,9 +164,9 @@ static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = { -- vmw_gmrid_man_init, -- vmw_gmrid_man_takedown, -- vmw_gmrid_man_get_node, -- vmw_gmrid_man_put_node, -- vmw_gmrid_man_debug -+ .init = vmw_gmrid_man_init, -+ .takedown = vmw_gmrid_man_takedown, -+ .get_node = vmw_gmrid_man_get_node, -+ .put_node = vmw_gmrid_man_put_node, -+ .debug = vmw_gmrid_man_debug - }; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -index 69c8ce2..cacb0ab 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -@@ -235,7 +235,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data, - int ret; - - num_clips = arg->num_clips; -- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; -+ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; - - if (unlikely(num_clips == 0)) - return 0; -@@ -318,7 +318,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data, - int ret; - - num_clips = arg->num_clips; -- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; -+ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; - - if (unlikely(num_clips == 0)) - return 0; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -index 9fe9827..0aa2fc0 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -@@ -102,7 +102,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv, - * emitted. Then the fence is stale and signaled. - */ - -- ret = ((atomic_read(&dev_priv->marker_seq) - seqno) -+ ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno) - > VMW_FENCE_WRAP); - - return ret; -@@ -133,7 +133,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, - - if (fifo_idle) - down_read(&fifo_state->rwsem); -- signal_seq = atomic_read(&dev_priv->marker_seq); -+ signal_seq = atomic_read_unchecked(&dev_priv->marker_seq); - ret = 0; - - for (;;) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -index efd1ffd..0ae13ca 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -@@ -135,7 +135,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv, - while (!vmw_lag_lt(queue, us)) { - spin_lock(&queue->lock); - if (list_empty(&queue->head)) -- seqno = atomic_read(&dev_priv->marker_seq); -+ seqno = atomic_read_unchecked(&dev_priv->marker_seq); - else { - marker = list_first_entry(&queue->head, - struct vmw_marker, head); -diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c -index 37ac7b5..d52a5c9 100644 ---- a/drivers/gpu/vga/vga_switcheroo.c -+++ b/drivers/gpu/vga/vga_switcheroo.c -@@ -644,7 +644,7 @@ static int vga_switcheroo_runtime_resume(struct device *dev) - - /* this version is for the case where the power switch is separate - to the device being powered down. */ --int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) -+int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -@@ -695,7 +695,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) - return ret; - } - --int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) -+int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c -index 722a925..594c312 100644 ---- a/drivers/hid/hid-core.c -+++ b/drivers/hid/hid-core.c -@@ -2552,7 +2552,7 @@ EXPORT_SYMBOL_GPL(hid_ignore); - - int hid_add_device(struct hid_device *hdev) - { -- static atomic_t id = ATOMIC_INIT(0); -+ static atomic_unchecked_t id = ATOMIC_INIT(0); - int ret; - - if (WARN_ON(hdev->status & HID_STAT_ADDED)) -@@ -2595,7 +2595,7 @@ int hid_add_device(struct hid_device *hdev) - /* XXX hack, any other cleaner solution after the driver core - * is converted to allow more than 20 bytes as the device name? */ - dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, -- hdev->vendor, hdev->product, atomic_inc_return(&id)); -+ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id)); - - hid_debug_register(hdev, dev_name(&hdev->dev)); - ret = device_add(&hdev->dev); -diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c -index 5614fee..8301fbf 100644 ---- a/drivers/hid/hid-sensor-custom.c -+++ b/drivers/hid/hid-sensor-custom.c -@@ -34,7 +34,7 @@ struct hid_sensor_custom_field { - int report_id; - char group_name[HID_CUSTOM_NAME_LENGTH]; - struct hid_sensor_hub_attribute_info attribute; -- struct device_attribute sd_attrs[HID_CUSTOM_MAX_CORE_ATTRS]; -+ device_attribute_no_const sd_attrs[HID_CUSTOM_MAX_CORE_ATTRS]; - char attr_name[HID_CUSTOM_TOTAL_ATTRS][HID_CUSTOM_NAME_LENGTH]; - struct attribute *attrs[HID_CUSTOM_TOTAL_ATTRS]; - struct attribute_group hid_custom_attribute_group; -@@ -590,7 +590,7 @@ static int hid_sensor_custom_add_attributes(struct hid_sensor_custom - j = 0; - while (j < HID_CUSTOM_TOTAL_ATTRS && - hid_custom_attrs[j].name) { -- struct device_attribute *device_attr; -+ device_attribute_no_const *device_attr; - - device_attr = &sensor_inst->fields[i].sd_attrs[j]; - -diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c -index c13fb5b..55a3802 100644 ---- a/drivers/hid/hid-wiimote-debug.c -+++ b/drivers/hid/hid-wiimote-debug.c -@@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, - else if (size == 0) - return -EIO; - -- if (copy_to_user(u, buf, size)) -+ if (size > sizeof(buf) || copy_to_user(u, buf, size)) - return -EFAULT; - - *off += size; -diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c -index 54da66d..aa3a3d7 100644 ---- a/drivers/hv/channel.c -+++ b/drivers/hv/channel.c -@@ -373,7 +373,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, - int ret = 0; - - next_gpadl_handle = -- (atomic_inc_return(&vmbus_connection.next_gpadl_handle) - 1); -+ (atomic_inc_return_unchecked(&vmbus_connection.next_gpadl_handle) - 1); - - ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount); - if (ret) -diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c -index d3943bc..3de28a9 100644 ---- a/drivers/hv/hv.c -+++ b/drivers/hv/hv.c -@@ -118,7 +118,7 @@ static u64 do_hypercall(u64 control, void *input, void *output) - u64 output_address = (output) ? virt_to_phys(output) : 0; - u32 output_address_hi = output_address >> 32; - u32 output_address_lo = output_address & 0xFFFFFFFF; -- void *hypercall_page = hv_context.hypercall_page; -+ void *hypercall_page = ktva_ktla(hv_context.hypercall_page); - - __asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi), - "=a"(hv_status_lo) : "d" (control_hi), -@@ -164,7 +164,7 @@ int hv_init(void) - /* See if the hypercall page is already set */ - rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - -- virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC); -+ virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX); - - if (!virtaddr) - goto cleanup; -diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c -index cb5b7dc..6052f22 100644 ---- a/drivers/hv/hv_balloon.c -+++ b/drivers/hv/hv_balloon.c -@@ -469,7 +469,7 @@ MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add"); - - module_param(pressure_report_delay, uint, (S_IRUGO | S_IWUSR)); - MODULE_PARM_DESC(pressure_report_delay, "Delay in secs in reporting pressure"); --static atomic_t trans_id = ATOMIC_INIT(0); -+static atomic_unchecked_t trans_id = ATOMIC_INIT(0); - - static int dm_ring_size = (5 * PAGE_SIZE); - -@@ -941,7 +941,7 @@ static void hot_add_req(struct work_struct *dummy) - pr_info("Memory hot add failed\n"); - - dm->state = DM_INITIALIZED; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - vmbus_sendpacket(dm->dev->channel, &resp, - sizeof(struct dm_hot_add_response), - (unsigned long)NULL, -@@ -1022,7 +1022,7 @@ static void post_status(struct hv_dynmem_device *dm) - memset(&status, 0, sizeof(struct dm_status)); - status.hdr.type = DM_STATUS_REPORT; - status.hdr.size = sizeof(struct dm_status); -- status.hdr.trans_id = atomic_inc_return(&trans_id); -+ status.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - /* - * The host expects the guest to report free and committed memory. -@@ -1046,7 +1046,7 @@ static void post_status(struct hv_dynmem_device *dm) - * send the status. This can happen if we were interrupted - * after we picked our transaction ID. - */ -- if (status.hdr.trans_id != atomic_read(&trans_id)) -+ if (status.hdr.trans_id != atomic_read_unchecked(&trans_id)) - return; - - /* -@@ -1191,7 +1191,7 @@ static void balloon_up(struct work_struct *dummy) - */ - - do { -- bl_resp->hdr.trans_id = atomic_inc_return(&trans_id); -+ bl_resp->hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - ret = vmbus_sendpacket(dm_device.dev->channel, - bl_resp, - bl_resp->hdr.size, -@@ -1237,7 +1237,7 @@ static void balloon_down(struct hv_dynmem_device *dm, - - memset(&resp, 0, sizeof(struct dm_unballoon_response)); - resp.hdr.type = DM_UNBALLOON_RESPONSE; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - resp.hdr.size = sizeof(struct dm_unballoon_response); - - vmbus_sendpacket(dm_device.dev->channel, &resp, -@@ -1298,7 +1298,7 @@ static void version_resp(struct hv_dynmem_device *dm, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN7; - version_req.is_last_attempt = 1; - -@@ -1471,7 +1471,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN8; - version_req.is_last_attempt = 0; - -@@ -1502,7 +1502,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&cap_msg, 0, sizeof(struct dm_capabilities)); - cap_msg.hdr.type = DM_CAPABILITIES_REPORT; - cap_msg.hdr.size = sizeof(struct dm_capabilities); -- cap_msg.hdr.trans_id = atomic_inc_return(&trans_id); -+ cap_msg.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - cap_msg.caps.cap_bits.balloon = 1; - cap_msg.caps.cap_bits.hot_add = 1; -diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h -index 887287a..238a626 100644 ---- a/drivers/hv/hyperv_vmbus.h -+++ b/drivers/hv/hyperv_vmbus.h -@@ -645,7 +645,7 @@ enum vmbus_connect_state { - struct vmbus_connection { - enum vmbus_connect_state conn_state; - -- atomic_t next_gpadl_handle; -+ atomic_unchecked_t next_gpadl_handle; - - /* - * Represents channel interrupts. Each bit position represents a -diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c -index 579bdf9..0dac21d5 100644 ---- a/drivers/hwmon/acpi_power_meter.c -+++ b/drivers/hwmon/acpi_power_meter.c -@@ -116,7 +116,7 @@ struct sensor_template { - struct device_attribute *devattr, - const char *buf, size_t count); - int index; --}; -+} __do_const; - - /* Averaging interval */ - static int update_avg_interval(struct acpi_power_meter_resource *resource) -@@ -631,7 +631,7 @@ static int register_attrs(struct acpi_power_meter_resource *resource, - struct sensor_template *attrs) - { - struct device *dev = &resource->acpi_dev->dev; -- struct sensor_device_attribute *sensors = -+ sensor_device_attribute_no_const *sensors = - &resource->sensors[resource->num_sensors]; - int res = 0; - -@@ -973,7 +973,7 @@ static int __init enable_cap_knobs(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pm_dmi_table[] = { -+static const struct dmi_system_id __initconst pm_dmi_table[] = { - { - enable_cap_knobs, "IBM Active Energy Manager", - { -diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c -index 0af63da..05a183a 100644 ---- a/drivers/hwmon/applesmc.c -+++ b/drivers/hwmon/applesmc.c -@@ -1105,7 +1105,7 @@ static int applesmc_create_nodes(struct applesmc_node_group *groups, int num) - { - struct applesmc_node_group *grp; - struct applesmc_dev_attr *node; -- struct attribute *attr; -+ attribute_no_const *attr; - int ret, i; - - for (grp = groups; grp->format; grp++) { -diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c -index cccef87..06ce8ec 100644 ---- a/drivers/hwmon/asus_atk0110.c -+++ b/drivers/hwmon/asus_atk0110.c -@@ -147,10 +147,10 @@ MODULE_DEVICE_TABLE(acpi, atk_ids); - struct atk_sensor_data { - struct list_head list; - struct atk_data *data; -- struct device_attribute label_attr; -- struct device_attribute input_attr; -- struct device_attribute limit1_attr; -- struct device_attribute limit2_attr; -+ device_attribute_no_const label_attr; -+ device_attribute_no_const input_attr; -+ device_attribute_no_const limit1_attr; -+ device_attribute_no_const limit2_attr; - char label_attr_name[ATTR_NAME_SIZE]; - char input_attr_name[ATTR_NAME_SIZE]; - char limit1_attr_name[ATTR_NAME_SIZE]; -@@ -270,7 +270,7 @@ static ssize_t atk_name_show(struct device *dev, - static struct device_attribute atk_name_attr = - __ATTR(name, 0444, atk_name_show, NULL); - --static void atk_init_attribute(struct device_attribute *attr, char *name, -+static void atk_init_attribute(device_attribute_no_const *attr, char *name, - sysfs_show_func show) - { - sysfs_attr_init(&attr->attr); -diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c -index ed303ba..e24bd26f 100644 ---- a/drivers/hwmon/coretemp.c -+++ b/drivers/hwmon/coretemp.c -@@ -782,7 +782,7 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block coretemp_cpu_notifier __refdata = { -+static struct notifier_block coretemp_cpu_notifier = { - .notifier_call = coretemp_cpu_callback, - }; - -diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c -index 7a8a6fb..015c1fd 100644 ---- a/drivers/hwmon/ibmaem.c -+++ b/drivers/hwmon/ibmaem.c -@@ -924,7 +924,7 @@ static int aem_register_sensors(struct aem_data *data, - struct aem_rw_sensor_template *rw) - { - struct device *dev = &data->pdev->dev; -- struct sensor_device_attribute *sensors = data->sensors; -+ sensor_device_attribute_no_const *sensors = data->sensors; - int err; - - /* Set up read-only sensors */ -diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c -index 17ae2eb..21b71dd 100644 ---- a/drivers/hwmon/iio_hwmon.c -+++ b/drivers/hwmon/iio_hwmon.c -@@ -61,7 +61,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; - struct iio_hwmon_state *st; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - int ret, i; - int in_i = 1, temp_i = 1, curr_i = 1, humidity_i = 1; - enum iio_chan_type type; -diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c -index 37f0170..414ec2c 100644 ---- a/drivers/hwmon/nct6683.c -+++ b/drivers/hwmon/nct6683.c -@@ -397,11 +397,11 @@ static struct attribute_group * - nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg, - int repeat) - { -- struct sensor_device_attribute_2 *a2; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_2_no_const *a2; -+ sensor_device_attribute_no_const *a; - struct sensor_device_template **t; - struct sensor_device_attr_u *su; -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct attribute **attrs; - int i, j, count; - -diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c -index bd1c99d..2fa55ad 100644 ---- a/drivers/hwmon/nct6775.c -+++ b/drivers/hwmon/nct6775.c -@@ -953,10 +953,10 @@ static struct attribute_group * - nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, - int repeat) - { -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct sensor_device_attr_u *su; -- struct sensor_device_attribute *a; -- struct sensor_device_attribute_2 *a2; -+ sensor_device_attribute_no_const *a; -+ sensor_device_attribute_2_no_const *a2; - struct attribute **attrs; - struct sensor_device_template **t; - int i, count; -diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c -index f2e47c7..45d7941 100644 ---- a/drivers/hwmon/pmbus/pmbus_core.c -+++ b/drivers/hwmon/pmbus/pmbus_core.c -@@ -816,7 +816,7 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr) - return 0; - } - --static void pmbus_dev_attr_init(struct device_attribute *dev_attr, -+static void pmbus_dev_attr_init(device_attribute_no_const *dev_attr, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -833,7 +833,7 @@ static void pmbus_dev_attr_init(struct device_attribute *dev_attr, - dev_attr->store = store; - } - --static void pmbus_attr_init(struct sensor_device_attribute *a, -+static void pmbus_attr_init(sensor_device_attribute_no_const *a, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -855,7 +855,7 @@ static int pmbus_add_boolean(struct pmbus_data *data, - u16 reg, u8 mask) - { - struct pmbus_boolean *boolean; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - - boolean = devm_kzalloc(data->dev, sizeof(*boolean), GFP_KERNEL); - if (!boolean) -@@ -880,7 +880,7 @@ static struct pmbus_sensor *pmbus_add_sensor(struct pmbus_data *data, - bool update, bool readonly) - { - struct pmbus_sensor *sensor; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - sensor = devm_kzalloc(data->dev, sizeof(*sensor), GFP_KERNEL); - if (!sensor) -@@ -911,7 +911,7 @@ static int pmbus_add_label(struct pmbus_data *data, - const char *lstring, int index) - { - struct pmbus_label *label; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - label = devm_kzalloc(data->dev, sizeof(*label), GFP_KERNEL); - if (!label) -diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c -index d4f0935..7420593 100644 ---- a/drivers/hwmon/sht15.c -+++ b/drivers/hwmon/sht15.c -@@ -169,7 +169,7 @@ struct sht15_data { - int supply_uv; - bool supply_uv_valid; - struct work_struct update_supply_work; -- atomic_t interrupt_handled; -+ atomic_unchecked_t interrupt_handled; - }; - - /** -@@ -542,13 +542,13 @@ static int sht15_measurement(struct sht15_data *data, - ret = gpio_direction_input(data->pdata->gpio_data); - if (ret) - return ret; -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - if (gpio_get_value(data->pdata->gpio_data) == 0) { - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); - /* Only relevant if the interrupt hasn't occurred. */ -- if (!atomic_read(&data->interrupt_handled)) -+ if (!atomic_read_unchecked(&data->interrupt_handled)) - schedule_work(&data->read_work); - } - ret = wait_event_timeout(data->wait_queue, -@@ -820,7 +820,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d) - - /* First disable the interrupt */ - disable_irq_nosync(irq); -- atomic_inc(&data->interrupt_handled); -+ atomic_inc_unchecked(&data->interrupt_handled); - /* Then schedule a reading work struct */ - if (data->state != SHT15_READING_NOTHING) - schedule_work(&data->read_work); -@@ -842,11 +842,11 @@ static void sht15_bh_read_data(struct work_struct *work_s) - * If not, then start the interrupt again - care here as could - * have gone low in meantime so verify it hasn't! - */ -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - /* If still not occurred or another handler was scheduled */ - if (gpio_get_value(data->pdata->gpio_data) -- || atomic_read(&data->interrupt_handled)) -+ || atomic_read_unchecked(&data->interrupt_handled)) - return; - } - -diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c -index ac91c07..8e69663 100644 ---- a/drivers/hwmon/via-cputemp.c -+++ b/drivers/hwmon/via-cputemp.c -@@ -295,7 +295,7 @@ static int via_cputemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block via_cputemp_cpu_notifier __refdata = { -+static struct notifier_block via_cputemp_cpu_notifier = { - .notifier_call = via_cputemp_cpu_callback, - }; - -diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c -index 65e3240..e6c511d 100644 ---- a/drivers/i2c/busses/i2c-amd756-s4882.c -+++ b/drivers/i2c/busses/i2c-amd756-s4882.c -@@ -39,7 +39,7 @@ - extern struct i2c_adapter amd756_smbus; - - static struct i2c_adapter *s4882_adapter; --static struct i2c_algorithm *s4882_algo; -+static i2c_algorithm_no_const *s4882_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(amd756_lock); -diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c -index b19a310..d6eece0 100644 ---- a/drivers/i2c/busses/i2c-diolan-u2c.c -+++ b/drivers/i2c/busses/i2c-diolan-u2c.c -@@ -98,7 +98,7 @@ MODULE_PARM_DESC(frequency, "I2C clock frequency in hertz"); - /* usb layer */ - - /* Send command to device, and get response. */ --static int diolan_usb_transfer(struct i2c_diolan_u2c *dev) -+static int __intentional_overflow(-1) diolan_usb_transfer(struct i2c_diolan_u2c *dev) - { - int ret = 0; - int actual; -diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c -index 88eda09..cf40434 100644 ---- a/drivers/i2c/busses/i2c-nforce2-s4985.c -+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c -@@ -37,7 +37,7 @@ - extern struct i2c_adapter *nforce2_smbus; - - static struct i2c_adapter *s4985_adapter; --static struct i2c_algorithm *s4985_algo; -+static i2c_algorithm_no_const *s4985_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(nforce2_lock); -diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c -index 71c7a39..71dd3e0 100644 ---- a/drivers/i2c/i2c-dev.c -+++ b/drivers/i2c/i2c-dev.c -@@ -272,7 +272,7 @@ static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client, - break; - } - -- data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf; -+ data_ptrs[i] = (u8 __force_user *)rdwr_pa[i].buf; - rdwr_pa[i].buf = memdup_user(data_ptrs[i], rdwr_pa[i].len); - if (IS_ERR(rdwr_pa[i].buf)) { - res = PTR_ERR(rdwr_pa[i].buf); -diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c -index 0b510ba..4fbb5085 100644 ---- a/drivers/ide/ide-cd.c -+++ b/drivers/ide/ide-cd.c -@@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if ((unsigned long)buf & alignment - || blk_rq_bytes(rq) & q->dma_pad_mask -- || object_is_on_stack(buf)) -+ || object_starts_on_stack(buf)) - drive->dma = 0; - } - } -diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c -index 4df97f6..c751151 100644 ---- a/drivers/iio/industrialio-core.c -+++ b/drivers/iio/industrialio-core.c -@@ -570,7 +570,7 @@ static ssize_t iio_write_channel_info(struct device *dev, - } - - static --int __iio_device_attr_init(struct device_attribute *dev_attr, -+int __iio_device_attr_init(device_attribute_no_const *dev_attr, - const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*readfunc)(struct device *dev, -diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c -index 0271608..81998c5 100644 ---- a/drivers/infiniband/core/cm.c -+++ b/drivers/infiniband/core/cm.c -@@ -115,7 +115,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS] - - struct cm_counter_group { - struct kobject obj; -- atomic_long_t counter[CM_ATTR_COUNT]; -+ atomic_long_unchecked_t counter[CM_ATTR_COUNT]; - }; - - struct cm_counter_attribute { -@@ -1397,7 +1397,7 @@ static void cm_dup_req_handler(struct cm_work *work, - struct ib_mad_send_buf *msg = NULL; - int ret; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REQ_COUNTER]); - - /* Quick state check to discard duplicate REQs. */ -@@ -1784,7 +1784,7 @@ static void cm_dup_rep_handler(struct cm_work *work) - if (!cm_id_priv) - return; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REP_COUNTER]); - ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg); - if (ret) -@@ -1951,7 +1951,7 @@ static int cm_rtu_handler(struct cm_work *work) - if (cm_id_priv->id.state != IB_CM_REP_SENT && - cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) { - spin_unlock_irq(&cm_id_priv->lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_RTU_COUNTER]); - goto out; - } -@@ -2134,7 +2134,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id, - dreq_msg->local_comm_id); - if (!cm_id_priv) { -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - cm_issue_drep(work->port, work->mad_recv_wc); - return -EINVAL; -@@ -2159,7 +2159,7 @@ static int cm_dreq_handler(struct cm_work *work) - case IB_CM_MRA_REP_RCVD: - break; - case IB_CM_TIMEWAIT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2173,7 +2173,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_DREQ_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - goto unlock; - default: -@@ -2540,7 +2540,7 @@ static int cm_mra_handler(struct cm_work *work) - ib_modify_mad(cm_id_priv->av.port->mad_agent, - cm_id_priv->msg, timeout)) { - if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD) -- atomic_long_inc(&work->port-> -+ atomic_long_inc_unchecked(&work->port-> - counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - goto out; -@@ -2549,7 +2549,7 @@ static int cm_mra_handler(struct cm_work *work) - break; - case IB_CM_MRA_REQ_RCVD: - case IB_CM_MRA_REP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - /* fall through */ - default: -@@ -2711,7 +2711,7 @@ static int cm_lap_handler(struct cm_work *work) - case IB_CM_LAP_IDLE: - break; - case IB_CM_MRA_LAP_SENT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2727,7 +2727,7 @@ static int cm_lap_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_LAP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - goto unlock; - default: -@@ -3011,7 +3011,7 @@ static int cm_sidr_req_handler(struct cm_work *work) - cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv); - if (cur_cm_id_priv) { - spin_unlock_irq(&cm.lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_SIDR_REQ_COUNTER]); - goto out; /* Duplicate message. */ - } -@@ -3223,10 +3223,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent, - if (!msg->context[0] && (attr_index != CM_REJ_COUNTER)) - msg->retries = 1; - -- atomic_long_add(1 + msg->retries, -+ atomic_long_add_unchecked(1 + msg->retries, - &port->counter_group[CM_XMIT].counter[attr_index]); - if (msg->retries) -- atomic_long_add(msg->retries, -+ atomic_long_add_unchecked(msg->retries, - &port->counter_group[CM_XMIT_RETRIES]. - counter[attr_index]); - -@@ -3436,7 +3436,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, - } - - attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id); -- atomic_long_inc(&port->counter_group[CM_RECV]. -+ atomic_long_inc_unchecked(&port->counter_group[CM_RECV]. - counter[attr_id - CM_ATTR_ID_OFFSET]); - - work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths, -@@ -3667,7 +3667,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr, - cm_attr = container_of(attr, struct cm_counter_attribute, attr); - - return sprintf(buf, "%ld\n", -- atomic_long_read(&group->counter[cm_attr->index])); -+ atomic_long_read_unchecked(&group->counter[cm_attr->index])); - } - - static const struct sysfs_ops cm_counter_ops = { -diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c -index 9f5ad7c..588cd84 100644 ---- a/drivers/infiniband/core/fmr_pool.c -+++ b/drivers/infiniband/core/fmr_pool.c -@@ -98,8 +98,8 @@ struct ib_fmr_pool { - - struct task_struct *thread; - -- atomic_t req_ser; -- atomic_t flush_ser; -+ atomic_unchecked_t req_ser; -+ atomic_unchecked_t flush_ser; - - wait_queue_head_t force_wait; - }; -@@ -179,10 +179,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - struct ib_fmr_pool *pool = pool_ptr; - - do { -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) { -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) { - ib_fmr_batch_release(pool); - -- atomic_inc(&pool->flush_ser); -+ atomic_inc_unchecked(&pool->flush_ser); - wake_up_interruptible(&pool->force_wait); - - if (pool->flush_function) -@@ -190,7 +190,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - } - - set_current_state(TASK_INTERRUPTIBLE); -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 && -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 && - !kthread_should_stop()) - schedule(); - __set_current_state(TASK_RUNNING); -@@ -282,8 +282,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, - pool->dirty_watermark = params->dirty_watermark; - pool->dirty_len = 0; - spin_lock_init(&pool->pool_lock); -- atomic_set(&pool->req_ser, 0); -- atomic_set(&pool->flush_ser, 0); -+ atomic_set_unchecked(&pool->req_ser, 0); -+ atomic_set_unchecked(&pool->flush_ser, 0); - init_waitqueue_head(&pool->force_wait); - - pool->thread = kthread_run(ib_fmr_cleanup_thread, -@@ -411,11 +411,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) - } - spin_unlock_irq(&pool->pool_lock); - -- serial = atomic_inc_return(&pool->req_ser); -+ serial = atomic_inc_return_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - - if (wait_event_interruptible(pool->force_wait, -- atomic_read(&pool->flush_ser) - serial >= 0)) -+ atomic_read_unchecked(&pool->flush_ser) - serial >= 0)) - return -EINTR; - - return 0; -@@ -525,7 +525,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr) - } else { - list_add_tail(&fmr->list, &pool->dirty_list); - if (++pool->dirty_len >= pool->dirty_watermark) { -- atomic_inc(&pool->req_ser); -+ atomic_inc_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - } - } -diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c -index a9f0489..27a161b 100644 ---- a/drivers/infiniband/core/uverbs_cmd.c -+++ b/drivers/infiniband/core/uverbs_cmd.c -@@ -951,6 +951,9 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, - if (copy_from_user(&cmd, buf, sizeof cmd)) - return -EFAULT; - -+ if (!access_ok_noprefault(VERIFY_READ, cmd.start, cmd.length)) -+ return -EFAULT; -+ - INIT_UDATA(&udata, buf + sizeof cmd, - (unsigned long) cmd.response + sizeof resp, - in_len - sizeof cmd, out_len - sizeof resp); -diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c -index cff815b..75576dd 100644 ---- a/drivers/infiniband/hw/cxgb4/mem.c -+++ b/drivers/infiniband/hw/cxgb4/mem.c -@@ -256,7 +256,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - int err; - struct fw_ri_tpte tpt; - u32 stag_idx; -- static atomic_t key; -+ static atomic_unchecked_t key; - - if (c4iw_fatal_error(rdev)) - return -EIO; -@@ -277,7 +277,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - if (rdev->stats.stag.cur > rdev->stats.stag.max) - rdev->stats.stag.max = rdev->stats.stag.cur; - mutex_unlock(&rdev->stats.lock); -- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff); -+ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff); - } - PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n", - __func__, stag_state, type, pdid, stag_idx); -diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c -index 79b3dbc..96e5fcc 100644 ---- a/drivers/infiniband/hw/ipath/ipath_rc.c -+++ b/drivers/infiniband/hw/ipath/ipath_rc.c -@@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, - struct ib_atomic_eth *ateth; - struct ipath_ack_entry *e; - u64 vaddr; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - u64 sdata; - u32 rkey; - u8 next; -@@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, - IB_ACCESS_REMOTE_ATOMIC))) - goto nack_acc_unlck; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = be64_to_cpu(ateth->swap_data); - e = &qp->s_ack_queue[qp->r_head_ack_queue]; - e->atomic_data = (opcode == OP(FETCH_ADD)) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - be64_to_cpu(ateth->compare_data), - sdata); -diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c -index 1f95bba..9530f87 100644 ---- a/drivers/infiniband/hw/ipath/ipath_ruc.c -+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c -@@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp) - unsigned long flags; - struct ib_wc wc; - u64 sdata; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - enum ib_wc_status send_status; - - /* -@@ -382,11 +382,11 @@ again: - IB_ACCESS_REMOTE_ATOMIC))) - goto acc_err; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = wqe->wr.wr.atomic.compare_add; - *(u64 *) sqp->s_sge.sge.vaddr = - (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - sdata, wqe->wr.wr.atomic.swap); - goto send_comp; -diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c -index 9cd2b00..7486df4 100644 ---- a/drivers/infiniband/hw/mlx4/mad.c -+++ b/drivers/infiniband/hw/mlx4/mad.c -@@ -106,7 +106,7 @@ __be64 mlx4_ib_gen_node_guid(void) - - __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) - { -- return cpu_to_be64(atomic_inc_return(&ctx->tid)) | -+ return cpu_to_be64(atomic_inc_return_unchecked(&ctx->tid)) | - cpu_to_be64(0xff00000000000000LL); - } - -diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c -index ed327e6..ca1739e0 100644 ---- a/drivers/infiniband/hw/mlx4/mcg.c -+++ b/drivers/infiniband/hw/mlx4/mcg.c -@@ -1041,7 +1041,7 @@ int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx) - { - char name[20]; - -- atomic_set(&ctx->tid, 0); -+ atomic_set_unchecked(&ctx->tid, 0); - sprintf(name, "mlx4_ib_mcg%d", ctx->port); - ctx->mcg_wq = create_singlethread_workqueue(name); - if (!ctx->mcg_wq) -diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h -index fce39343..9d8fdff 100644 ---- a/drivers/infiniband/hw/mlx4/mlx4_ib.h -+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h -@@ -435,7 +435,7 @@ struct mlx4_ib_demux_ctx { - struct list_head mcg_mgid0_list; - struct workqueue_struct *mcg_wq; - struct mlx4_ib_demux_pv_ctx **tun; -- atomic_t tid; -+ atomic_unchecked_t tid; - int flushing; /* flushing the work queue */ - }; - -diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c -index 9d3e5c1..6f166df 100644 ---- a/drivers/infiniband/hw/mthca/mthca_cmd.c -+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c -@@ -772,7 +772,7 @@ static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) - mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n"); - } - --int mthca_QUERY_FW(struct mthca_dev *dev) -+int __intentional_overflow(-1) mthca_QUERY_FW(struct mthca_dev *dev) - { - struct mthca_mailbox *mailbox; - u32 *outbox; -@@ -1612,7 +1612,7 @@ int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - CMD_TIME_CLASS_B); - } - --int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int num_mtt) - { - return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, -@@ -1634,7 +1634,7 @@ int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, - 0, CMD_MAP_EQ, CMD_TIME_CLASS_B); - } - --int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int eq_num) - { - return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, -@@ -1857,7 +1857,7 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn) - CMD_TIME_CLASS_B); - } - --int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, -+int __intentional_overflow(-1) mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, - int port, struct ib_wc *in_wc, struct ib_grh *in_grh, - void *in_mad, void *response_mad) - { -diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c -index ded76c1..0cf0a08 100644 ---- a/drivers/infiniband/hw/mthca/mthca_main.c -+++ b/drivers/infiniband/hw/mthca/mthca_main.c -@@ -692,7 +692,7 @@ err_close: - return err; - } - --static int mthca_setup_hca(struct mthca_dev *dev) -+static int __intentional_overflow(-1) mthca_setup_hca(struct mthca_dev *dev) - { - int err; - -diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c -index ed9a989..6aa5dc2 100644 ---- a/drivers/infiniband/hw/mthca/mthca_mr.c -+++ b/drivers/infiniband/hw/mthca/mthca_mr.c -@@ -81,7 +81,7 @@ struct mthca_mpt_entry { - * through the bitmaps) - */ - --static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order) -+static u32 __intentional_overflow(-1) mthca_buddy_alloc(struct mthca_buddy *buddy, int order) - { - int o; - int m; -@@ -426,7 +426,7 @@ static inline u32 adjust_key(struct mthca_dev *dev, u32 key) - return key; - } - --int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, -+int __intentional_overflow(-1) mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, - u64 iova, u64 total_size, u32 access, struct mthca_mr *mr) - { - struct mthca_mailbox *mailbox; -@@ -516,7 +516,7 @@ int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, - return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr); - } - --int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, -+int __intentional_overflow(-1) mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, - u64 *buffer_list, int buffer_size_shift, - int list_len, u64 iova, u64 total_size, - u32 access, struct mthca_mr *mr) -diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c -index 415f8e1..e34214e 100644 ---- a/drivers/infiniband/hw/mthca/mthca_provider.c -+++ b/drivers/infiniband/hw/mthca/mthca_provider.c -@@ -764,7 +764,7 @@ unlock: - return 0; - } - --static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) -+static int __intentional_overflow(-1) mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) - { - struct mthca_dev *dev = to_mdev(ibcq->device); - struct mthca_cq *cq = to_mcq(ibcq); -diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c -index 9f9d5c5..3c19aac 100644 ---- a/drivers/infiniband/hw/nes/nes.c -+++ b/drivers/infiniband/hw/nes/nes.c -@@ -97,7 +97,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); - LIST_HEAD(nes_adapter_list); - static LIST_HEAD(nes_dev_list); - --atomic_t qps_destroyed; -+atomic_unchecked_t qps_destroyed; - - static unsigned int ee_flsh_adapter; - static unsigned int sysfs_nonidx_addr; -@@ -279,7 +279,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r - struct nes_qp *nesqp = cqp_request->cqp_callback_pointer; - struct nes_adapter *nesadapter = nesdev->nesadapter; - -- atomic_inc(&qps_destroyed); -+ atomic_inc_unchecked(&qps_destroyed); - - /* Free the control structures */ - -diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h -index bd9d132..70d84f4 100644 ---- a/drivers/infiniband/hw/nes/nes.h -+++ b/drivers/infiniband/hw/nes/nes.h -@@ -180,17 +180,17 @@ extern unsigned int nes_debug_level; - extern unsigned int wqm_quanta; - extern struct list_head nes_adapter_list; - --extern atomic_t cm_connects; --extern atomic_t cm_accepts; --extern atomic_t cm_disconnects; --extern atomic_t cm_closes; --extern atomic_t cm_connecteds; --extern atomic_t cm_connect_reqs; --extern atomic_t cm_rejects; --extern atomic_t mod_qp_timouts; --extern atomic_t qps_created; --extern atomic_t qps_destroyed; --extern atomic_t sw_qps_destroyed; -+extern atomic_unchecked_t cm_connects; -+extern atomic_unchecked_t cm_accepts; -+extern atomic_unchecked_t cm_disconnects; -+extern atomic_unchecked_t cm_closes; -+extern atomic_unchecked_t cm_connecteds; -+extern atomic_unchecked_t cm_connect_reqs; -+extern atomic_unchecked_t cm_rejects; -+extern atomic_unchecked_t mod_qp_timouts; -+extern atomic_unchecked_t qps_created; -+extern atomic_unchecked_t qps_destroyed; -+extern atomic_unchecked_t sw_qps_destroyed; - extern u32 mh_detected; - extern u32 mh_pauses_sent; - extern u32 cm_packets_sent; -@@ -199,16 +199,16 @@ extern u32 cm_packets_created; - extern u32 cm_packets_received; - extern u32 cm_packets_dropped; - extern u32 cm_packets_retrans; --extern atomic_t cm_listens_created; --extern atomic_t cm_listens_destroyed; -+extern atomic_unchecked_t cm_listens_created; -+extern atomic_unchecked_t cm_listens_destroyed; - extern u32 cm_backlog_drops; --extern atomic_t cm_loopbacks; --extern atomic_t cm_nodes_created; --extern atomic_t cm_nodes_destroyed; --extern atomic_t cm_accel_dropped_pkts; --extern atomic_t cm_resets_recvd; --extern atomic_t pau_qps_created; --extern atomic_t pau_qps_destroyed; -+extern atomic_unchecked_t cm_loopbacks; -+extern atomic_unchecked_t cm_nodes_created; -+extern atomic_unchecked_t cm_nodes_destroyed; -+extern atomic_unchecked_t cm_accel_dropped_pkts; -+extern atomic_unchecked_t cm_resets_recvd; -+extern atomic_unchecked_t pau_qps_created; -+extern atomic_unchecked_t pau_qps_destroyed; - - extern u32 int_mod_timer_init; - extern u32 int_mod_cq_depth_256; -diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c -index 72b4341..2600332 100644 ---- a/drivers/infiniband/hw/nes/nes_cm.c -+++ b/drivers/infiniband/hw/nes/nes_cm.c -@@ -69,14 +69,14 @@ u32 cm_packets_dropped; - u32 cm_packets_retrans; - u32 cm_packets_created; - u32 cm_packets_received; --atomic_t cm_listens_created; --atomic_t cm_listens_destroyed; -+atomic_unchecked_t cm_listens_created; -+atomic_unchecked_t cm_listens_destroyed; - u32 cm_backlog_drops; --atomic_t cm_loopbacks; --atomic_t cm_nodes_created; --atomic_t cm_nodes_destroyed; --atomic_t cm_accel_dropped_pkts; --atomic_t cm_resets_recvd; -+atomic_unchecked_t cm_loopbacks; -+atomic_unchecked_t cm_nodes_created; -+atomic_unchecked_t cm_nodes_destroyed; -+atomic_unchecked_t cm_accel_dropped_pkts; -+atomic_unchecked_t cm_resets_recvd; - - static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *); - static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *); -@@ -135,28 +135,28 @@ static void record_ird_ord(struct nes_cm_node *, u16, u16); - /* instance of function pointers for client API */ - /* set address of this instance to cm_core->cm_ops at cm_core alloc */ - static struct nes_cm_ops nes_cm_api = { -- mini_cm_accelerated, -- mini_cm_listen, -- mini_cm_del_listen, -- mini_cm_connect, -- mini_cm_close, -- mini_cm_accept, -- mini_cm_reject, -- mini_cm_recv_pkt, -- mini_cm_dealloc_core, -- mini_cm_get, -- mini_cm_set -+ .accelerated = mini_cm_accelerated, -+ .listen = mini_cm_listen, -+ .stop_listener = mini_cm_del_listen, -+ .connect = mini_cm_connect, -+ .close = mini_cm_close, -+ .accept = mini_cm_accept, -+ .reject = mini_cm_reject, -+ .recv_pkt = mini_cm_recv_pkt, -+ .destroy_cm_core = mini_cm_dealloc_core, -+ .get = mini_cm_get, -+ .set = mini_cm_set - }; - - static struct nes_cm_core *g_cm_core; - --atomic_t cm_connects; --atomic_t cm_accepts; --atomic_t cm_disconnects; --atomic_t cm_closes; --atomic_t cm_connecteds; --atomic_t cm_connect_reqs; --atomic_t cm_rejects; -+atomic_unchecked_t cm_connects; -+atomic_unchecked_t cm_accepts; -+atomic_unchecked_t cm_disconnects; -+atomic_unchecked_t cm_closes; -+atomic_unchecked_t cm_connecteds; -+atomic_unchecked_t cm_connect_reqs; -+atomic_unchecked_t cm_rejects; - - int nes_add_ref_cm_node(struct nes_cm_node *cm_node) - { -@@ -1461,7 +1461,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, - kfree(listener); - listener = NULL; - ret = 0; -- atomic_inc(&cm_listens_destroyed); -+ atomic_inc_unchecked(&cm_listens_destroyed); - } else { - spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - } -@@ -1667,7 +1667,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, - cm_node->rem_mac); - - add_hte_node(cm_core, cm_node); -- atomic_inc(&cm_nodes_created); -+ atomic_inc_unchecked(&cm_nodes_created); - - return cm_node; - } -@@ -1728,7 +1728,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core, - } - - atomic_dec(&cm_core->node_cnt); -- atomic_inc(&cm_nodes_destroyed); -+ atomic_inc_unchecked(&cm_nodes_destroyed); - nesqp = cm_node->nesqp; - if (nesqp) { - nesqp->cm_node = NULL; -@@ -1792,7 +1792,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc, - - static void drop_packet(struct sk_buff *skb) - { -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - -@@ -1855,7 +1855,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, - { - - int reset = 0; /* whether to send reset in case of err.. */ -- atomic_inc(&cm_resets_recvd); -+ atomic_inc_unchecked(&cm_resets_recvd); - nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." - " refcnt=%d\n", cm_node, cm_node->state, - atomic_read(&cm_node->ref_count)); -@@ -2523,7 +2523,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core, - rem_ref_cm_node(cm_node->cm_core, cm_node); - return NULL; - } -- atomic_inc(&cm_loopbacks); -+ atomic_inc_unchecked(&cm_loopbacks); - loopbackremotenode->loopbackpartner = cm_node; - loopbackremotenode->tcp_cntxt.rcv_wscale = - NES_CM_DEFAULT_RCV_WND_SCALE; -@@ -2804,7 +2804,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core, - nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp); - else { - rem_ref_cm_node(cm_core, cm_node); -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - break; -@@ -3112,7 +3112,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - - if ((cm_id) && (cm_id->event_handler)) { - if (issue_disconn) { -- atomic_inc(&cm_disconnects); -+ atomic_inc_unchecked(&cm_disconnects); - cm_event.event = IW_CM_EVENT_DISCONNECT; - cm_event.status = disconn_status; - cm_event.local_addr = cm_id->local_addr; -@@ -3134,7 +3134,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - } - - if (issue_close) { -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - nes_disconnect(nesqp, 1); - - cm_id->provider_data = nesqp; -@@ -3272,7 +3272,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - - nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", - nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); -- atomic_inc(&cm_accepts); -+ atomic_inc_unchecked(&cm_accepts); - - nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n", - netdev_refcnt_read(nesvnic->netdev)); -@@ -3470,7 +3470,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len) - struct nes_cm_core *cm_core; - u8 *start_buff; - -- atomic_inc(&cm_rejects); -+ atomic_inc_unchecked(&cm_rejects); - cm_node = (struct nes_cm_node *)cm_id->provider_data; - loopback = cm_node->loopbackpartner; - cm_core = cm_node->cm_core; -@@ -3535,7 +3535,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - ntohs(raddr->sin_port), ntohl(laddr->sin_addr.s_addr), - ntohs(laddr->sin_port)); - -- atomic_inc(&cm_connects); -+ atomic_inc_unchecked(&cm_connects); - nesqp->active_conn = 1; - - /* cache the cm_id in the qp */ -@@ -3680,7 +3680,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog) - g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); - return err; - } -- atomic_inc(&cm_listens_created); -+ atomic_inc_unchecked(&cm_listens_created); - } - - cm_id->add_ref(cm_id); -@@ -3787,7 +3787,7 @@ static void cm_event_connected(struct nes_cm_event *event) - - if (nesqp->destroyed) - return; -- atomic_inc(&cm_connecteds); -+ atomic_inc_unchecked(&cm_connecteds); - nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on" - " local port 0x%04X. jiffies = %lu.\n", - nesqp->hwqp.qp_id, ntohl(raddr->sin_addr.s_addr), -@@ -3972,7 +3972,7 @@ static void cm_event_reset(struct nes_cm_event *event) - - cm_id->add_ref(cm_id); - ret = cm_id->event_handler(cm_id, &cm_event); -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - cm_event.event = IW_CM_EVENT_CLOSE; - cm_event.status = 0; - cm_event.provider_data = cm_id->provider_data; -@@ -4012,7 +4012,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -@@ -4061,7 +4061,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c -index 4166452..fc952c3 100644 ---- a/drivers/infiniband/hw/nes/nes_mgt.c -+++ b/drivers/infiniband/hw/nes/nes_mgt.c -@@ -40,8 +40,8 @@ - #include "nes.h" - #include "nes_mgt.h" - --atomic_t pau_qps_created; --atomic_t pau_qps_destroyed; -+atomic_unchecked_t pau_qps_created; -+atomic_unchecked_t pau_qps_destroyed; - - static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic) - { -@@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp) - { - struct sk_buff *skb; - unsigned long flags; -- atomic_inc(&pau_qps_destroyed); -+ atomic_inc_unchecked(&pau_qps_destroyed); - - /* Free packets that have not yet been forwarded */ - /* Lock is acquired by skb_dequeue when removing the skb */ -@@ -810,7 +810,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq * - cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]); - skb_queue_head_init(&nesqp->pau_list); - spin_lock_init(&nesqp->pau_lock); -- atomic_inc(&pau_qps_created); -+ atomic_inc_unchecked(&pau_qps_created); - nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp); - } - -diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c -index 70acda9..a96de9d 100644 ---- a/drivers/infiniband/hw/nes/nes_nic.c -+++ b/drivers/infiniband/hw/nes/nes_nic.c -@@ -1274,39 +1274,39 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, - target_stat_values[++index] = mh_detected; - target_stat_values[++index] = mh_pauses_sent; - target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; -- target_stat_values[++index] = atomic_read(&cm_connects); -- target_stat_values[++index] = atomic_read(&cm_accepts); -- target_stat_values[++index] = atomic_read(&cm_disconnects); -- target_stat_values[++index] = atomic_read(&cm_connecteds); -- target_stat_values[++index] = atomic_read(&cm_connect_reqs); -- target_stat_values[++index] = atomic_read(&cm_rejects); -- target_stat_values[++index] = atomic_read(&mod_qp_timouts); -- target_stat_values[++index] = atomic_read(&qps_created); -- target_stat_values[++index] = atomic_read(&sw_qps_destroyed); -- target_stat_values[++index] = atomic_read(&qps_destroyed); -- target_stat_values[++index] = atomic_read(&cm_closes); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects); -+ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_closes); - target_stat_values[++index] = cm_packets_sent; - target_stat_values[++index] = cm_packets_bounced; - target_stat_values[++index] = cm_packets_created; - target_stat_values[++index] = cm_packets_received; - target_stat_values[++index] = cm_packets_dropped; - target_stat_values[++index] = cm_packets_retrans; -- target_stat_values[++index] = atomic_read(&cm_listens_created); -- target_stat_values[++index] = atomic_read(&cm_listens_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed); - target_stat_values[++index] = cm_backlog_drops; -- target_stat_values[++index] = atomic_read(&cm_loopbacks); -- target_stat_values[++index] = atomic_read(&cm_nodes_created); -- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); -- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); -- target_stat_values[++index] = atomic_read(&cm_resets_recvd); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd); - target_stat_values[++index] = nesadapter->free_4kpbl; - target_stat_values[++index] = nesadapter->free_256pbl; - target_stat_values[++index] = int_mod_timer_init; - target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated; - target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed; - target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc; -- target_stat_values[++index] = atomic_read(&pau_qps_created); -- target_stat_values[++index] = atomic_read(&pau_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed); - } - - /** -diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c -index c0d0296..3185f57 100644 ---- a/drivers/infiniband/hw/nes/nes_verbs.c -+++ b/drivers/infiniband/hw/nes/nes_verbs.c -@@ -46,9 +46,9 @@ - - #include <rdma/ib_umem.h> - --atomic_t mod_qp_timouts; --atomic_t qps_created; --atomic_t sw_qps_destroyed; -+atomic_unchecked_t mod_qp_timouts; -+atomic_unchecked_t qps_created; -+atomic_unchecked_t sw_qps_destroyed; - - static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev); - -@@ -1134,7 +1134,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, - if (init_attr->create_flags) - return ERR_PTR(-EINVAL); - -- atomic_inc(&qps_created); -+ atomic_inc_unchecked(&qps_created); - switch (init_attr->qp_type) { - case IB_QPT_RC: - if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) { -@@ -1468,7 +1468,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp) - struct iw_cm_event cm_event; - int ret = 0; - -- atomic_inc(&sw_qps_destroyed); -+ atomic_inc_unchecked(&sw_qps_destroyed); - nesqp->destroyed = 1; - - /* Blow away the connection if it exists. */ -diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h -index 7df16f7..7e1b21e 100644 ---- a/drivers/infiniband/hw/qib/qib.h -+++ b/drivers/infiniband/hw/qib/qib.h -@@ -52,6 +52,7 @@ - #include <linux/kref.h> - #include <linux/sched.h> - #include <linux/kthread.h> -+#include <linux/slab.h> - - #include "qib_common.h" - #include "qib_verbs.h" -diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -index cdc7df4..a2fdfdb 100644 ---- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -@@ -156,7 +156,7 @@ static size_t ipoib_get_size(const struct net_device *dev) - nla_total_size(2); /* IFLA_IPOIB_UMCAST */ - } - --static struct rtnl_link_ops ipoib_link_ops __read_mostly = { -+static struct rtnl_link_ops ipoib_link_ops = { - .kind = "ipoib", - .maxtype = IFLA_IPOIB_MAX, - .policy = ipoib_policy, -diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c -index e853a21..56fc5a8 100644 ---- a/drivers/input/gameport/gameport.c -+++ b/drivers/input/gameport/gameport.c -@@ -527,14 +527,14 @@ EXPORT_SYMBOL(gameport_set_phys); - */ - static void gameport_init_port(struct gameport *gameport) - { -- static atomic_t gameport_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - - mutex_init(&gameport->drv_mutex); - device_initialize(&gameport->dev); - dev_set_name(&gameport->dev, "gameport%lu", -- (unsigned long)atomic_inc_return(&gameport_no)); -+ (unsigned long)atomic_inc_return_unchecked(&gameport_no)); - gameport->dev.bus = &gameport_bus; - gameport->dev.release = gameport_release_port; - if (gameport->parent) -diff --git a/drivers/input/input.c b/drivers/input/input.c -index cc357f1..ee42fbc 100644 ---- a/drivers/input/input.c -+++ b/drivers/input/input.c -@@ -1781,7 +1781,7 @@ EXPORT_SYMBOL_GPL(input_class); - */ - struct input_dev *input_allocate_device(void) - { -- static atomic_t input_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t input_no = ATOMIC_INIT(-1); - struct input_dev *dev; - - dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); -@@ -1796,7 +1796,7 @@ struct input_dev *input_allocate_device(void) - INIT_LIST_HEAD(&dev->node); - - dev_set_name(&dev->dev, "input%lu", -- (unsigned long)atomic_inc_return(&input_no)); -+ (unsigned long)atomic_inc_return_unchecked(&input_no)); - - __module_get(THIS_MODULE); - } -diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c -index 4a95b22..874c182 100644 ---- a/drivers/input/joystick/sidewinder.c -+++ b/drivers/input/joystick/sidewinder.c -@@ -30,6 +30,7 @@ - #include <linux/kernel.h> - #include <linux/module.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/input.h> - #include <linux/gameport.h> - #include <linux/jiffies.h> -diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c -index 61c7611..e1bfa38 100644 ---- a/drivers/input/joystick/xpad.c -+++ b/drivers/input/joystick/xpad.c -@@ -905,7 +905,7 @@ static void xpad_led_set(struct led_classdev *led_cdev, - - static int xpad_led_probe(struct usb_xpad *xpad) - { -- static atomic_t led_seq = ATOMIC_INIT(-1); -+ static atomic_unchecked_t led_seq = ATOMIC_INIT(-1); - unsigned long led_no; - struct xpad_led *led; - struct led_classdev *led_cdev; -@@ -918,7 +918,7 @@ static int xpad_led_probe(struct usb_xpad *xpad) - if (!led) - return -ENOMEM; - -- led_no = atomic_inc_return(&led_seq); -+ led_no = atomic_inc_return_unchecked(&led_seq); - - snprintf(led->name, sizeof(led->name), "xpad%lu", led_no); - led->xpad = xpad; -diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c -index ac1fa5f..5f7502c 100644 ---- a/drivers/input/misc/ims-pcu.c -+++ b/drivers/input/misc/ims-pcu.c -@@ -1851,7 +1851,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id) - - static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - { -- static atomic_t device_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t device_no = ATOMIC_INIT(-1); - - const struct ims_pcu_device_info *info; - int error; -@@ -1882,7 +1882,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - } - - /* Device appears to be operable, complete initialization */ -- pcu->device_no = atomic_inc_return(&device_no); -+ pcu->device_no = atomic_inc_return_unchecked(&device_no); - - /* - * PCU-B devices, both GEN_1 and GEN_2 do not have OFN sensor -diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h -index ad5a5a1..5eac214 100644 ---- a/drivers/input/mouse/psmouse.h -+++ b/drivers/input/mouse/psmouse.h -@@ -125,7 +125,7 @@ struct psmouse_attribute { - ssize_t (*set)(struct psmouse *psmouse, void *data, - const char *buf, size_t count); - bool protect; --}; -+} __do_const; - #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) - - ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, -diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c -index b604564..3f14ae4 100644 ---- a/drivers/input/mousedev.c -+++ b/drivers/input/mousedev.c -@@ -744,7 +744,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer, - - spin_unlock_irq(&client->packet_lock); - -- if (copy_to_user(buffer, data, count)) -+ if (count > sizeof(data) || copy_to_user(buffer, data, count)) - return -EFAULT; - - return count; -diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c -index a05a517..323a2fd 100644 ---- a/drivers/input/serio/serio.c -+++ b/drivers/input/serio/serio.c -@@ -514,7 +514,7 @@ static void serio_release_port(struct device *dev) - */ - static void serio_init_port(struct serio *serio) - { -- static atomic_t serio_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - -@@ -525,7 +525,7 @@ static void serio_init_port(struct serio *serio) - mutex_init(&serio->drv_mutex); - device_initialize(&serio->dev); - dev_set_name(&serio->dev, "serio%lu", -- (unsigned long)atomic_inc_return(&serio_no)); -+ (unsigned long)atomic_inc_return_unchecked(&serio_no)); - serio->dev.bus = &serio_bus; - serio->dev.release = serio_release_port; - serio->dev.groups = serio_device_attr_groups; -diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c -index 71ef5d6..93380a9 100644 ---- a/drivers/input/serio/serio_raw.c -+++ b/drivers/input/serio/serio_raw.c -@@ -292,7 +292,7 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data, - - static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - { -- static atomic_t serio_raw_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_raw_no = ATOMIC_INIT(-1); - struct serio_raw *serio_raw; - int err; - -@@ -303,7 +303,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - } - - snprintf(serio_raw->name, sizeof(serio_raw->name), -- "serio_raw%ld", (long)atomic_inc_return(&serio_raw_no)); -+ "serio_raw%ld", (long)atomic_inc_return_unchecked(&serio_raw_no)); - kref_init(&serio_raw->kref); - INIT_LIST_HEAD(&serio_raw->client_list); - init_waitqueue_head(&serio_raw->wait); -diff --git a/drivers/input/touchscreen/htcpen.c b/drivers/input/touchscreen/htcpen.c -index 92e2243..8fd9092 100644 ---- a/drivers/input/touchscreen/htcpen.c -+++ b/drivers/input/touchscreen/htcpen.c -@@ -219,7 +219,7 @@ static struct isa_driver htcpen_isa_driver = { - } - }; - --static struct dmi_system_id htcshift_dmi_table[] __initdata = { -+static const struct dmi_system_id htcshift_dmi_table[] __initconst = { - { - .ident = "Shift", - .matches = { -diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c -index ca9f4ed..b860ff1 100644 ---- a/drivers/iommu/amd_iommu.c -+++ b/drivers/iommu/amd_iommu.c -@@ -829,11 +829,21 @@ static void copy_cmd_to_buffer(struct amd_iommu *iommu, - - static void build_completion_wait(struct iommu_cmd *cmd, u64 address) - { -+ phys_addr_t physaddr; - WARN_ON(address & 0x7ULL); - - memset(cmd, 0, sizeof(*cmd)); -- cmd->data[0] = lower_32_bits(__pa(address)) | CMD_COMPL_WAIT_STORE_MASK; -- cmd->data[1] = upper_32_bits(__pa(address)); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack((void *)address)) { -+ void *adjbuf = (void *)address - current->stack + current->lowmem_stack; -+ physaddr = __pa((u64)adjbuf); -+ } else -+#endif -+ physaddr = __pa(address); -+ -+ cmd->data[0] = lower_32_bits(physaddr) | CMD_COMPL_WAIT_STORE_MASK; -+ cmd->data[1] = upper_32_bits(physaddr); - cmd->data[2] = 1; - CMD_SET_TYPE(cmd, CMD_COMPL_WAIT); - } -diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c -index 65075ef..53823f9 100644 ---- a/drivers/iommu/arm-smmu.c -+++ b/drivers/iommu/arm-smmu.c -@@ -331,7 +331,7 @@ enum arm_smmu_domain_stage { - - struct arm_smmu_domain { - struct arm_smmu_device *smmu; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - spinlock_t pgtbl_lock; - struct arm_smmu_cfg cfg; - enum arm_smmu_domain_stage stage; -@@ -817,7 +817,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - { - int irq, start, ret = 0; - unsigned long ias, oas; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - struct io_pgtable_cfg pgtbl_cfg; - enum io_pgtable_fmt fmt; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -@@ -902,14 +902,16 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - }; - - smmu_domain->smmu = smmu; -- pgtbl_ops = alloc_io_pgtable_ops(fmt, &pgtbl_cfg, smmu_domain); -- if (!pgtbl_ops) { -+ pgtbl = alloc_io_pgtable(fmt, &pgtbl_cfg, smmu_domain); -+ if (!pgtbl) { - ret = -ENOMEM; - goto out_clear_smmu; - } - - /* Update our support page sizes to reflect the page table format */ -- arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; -+ pax_open_kernel(); -+ *(unsigned long *)&arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; -+ pax_close_kernel(); - - /* Initialise the context bank with our page table cfg */ - arm_smmu_init_context_bank(smmu_domain, &pgtbl_cfg); -@@ -930,7 +932,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - mutex_unlock(&smmu_domain->init_mutex); - - /* Publish page table ops for map/unmap */ -- smmu_domain->pgtbl_ops = pgtbl_ops; -+ smmu_domain->pgtbl = pgtbl; - return 0; - - out_clear_smmu: -@@ -963,8 +965,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) - free_irq(irq, domain); - } - -- if (smmu_domain->pgtbl_ops) -- free_io_pgtable_ops(smmu_domain->pgtbl_ops); -+ free_io_pgtable(smmu_domain->pgtbl); - - __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); - } -@@ -1190,13 +1191,13 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return -ENODEV; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->map(ops, iova, paddr, size, prot); -+ ret = iop->ops->map(iop, iova, paddr, size, prot); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1207,13 +1208,13 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, - size_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->unmap(ops, iova, size); -+ ret = iop->ops->unmap(iop, iova, size); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1224,7 +1225,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); - struct arm_smmu_device *smmu = smmu_domain->smmu; - struct arm_smmu_cfg *cfg = &smmu_domain->cfg; -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - struct device *dev = smmu->dev; - void __iomem *cb_base; - u32 tmp; -@@ -1247,7 +1248,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - dev_err(dev, - "iova to phys timed out on 0x%pad. Falling back to software table walk.\n", - &iova); -- return ops->iova_to_phys(ops, iova); -+ return iop->ops->iova_to_phys(iop, iova); - } - - phys = readl_relaxed(cb_base + ARM_SMMU_CB_PAR_LO); -@@ -1268,9 +1269,9 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - phys_addr_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -@@ -1278,7 +1279,7 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - smmu_domain->stage == ARM_SMMU_DOMAIN_S1) { - ret = arm_smmu_iova_to_phys_hard(domain, iova); - } else { -- ret = ops->iova_to_phys(ops, iova); -+ ret = iop->ops->iova_to_phys(iop, iova); - } - - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); -@@ -1668,7 +1669,9 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) - size |= SZ_64K | SZ_512M; - } - -- arm_smmu_ops.pgsize_bitmap &= size; -+ pax_open_kernel(); -+ *(unsigned long *)&arm_smmu_ops.pgsize_bitmap &= size; -+ pax_close_kernel(); - dev_notice(smmu->dev, "\tSupported page sizes: 0x%08lx\n", size); - - if (smmu->features & ARM_SMMU_FEAT_TRANS_S1) -diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c -index 4e46021..f0a24fef 100644 ---- a/drivers/iommu/io-pgtable-arm.c -+++ b/drivers/iommu/io-pgtable-arm.c -@@ -36,12 +36,6 @@ - #define io_pgtable_to_data(x) \ - container_of((x), struct arm_lpae_io_pgtable, iop) - --#define io_pgtable_ops_to_pgtable(x) \ -- container_of((x), struct io_pgtable, ops) -- --#define io_pgtable_ops_to_data(x) \ -- io_pgtable_to_data(io_pgtable_ops_to_pgtable(x)) -- - /* - * For consistency with the architecture, we always consider - * ARM_LPAE_MAX_LEVELS levels, with the walk starting at level n >=0 -@@ -304,10 +298,10 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data, - return pte; - } - --static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_map(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int iommu_prot) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - arm_lpae_iopte prot; -@@ -447,12 +441,11 @@ static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, - return __arm_lpae_unmap(data, iova, size, lvl + 1, ptep); - } - --static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_unmap(struct io_pgtable *iop, unsigned long iova, - size_t size) - { - size_t unmapped; -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -- struct io_pgtable *iop = &data->iop; -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -463,10 +456,10 @@ static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, - return unmapped; - } - --static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable_ops *ops, -+static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable *iop, - unsigned long iova) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte pte, *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -533,6 +526,12 @@ static void arm_lpae_restrict_pgsizes(struct io_pgtable_cfg *cfg) - } - } - -+static struct io_pgtable_ops arm_lpae_io_pgtable_ops = { -+ .map = arm_lpae_map, -+ .unmap = arm_lpae_unmap, -+ .iova_to_phys = arm_lpae_iova_to_phys, -+}; -+ - static struct arm_lpae_io_pgtable * - arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - { -@@ -564,11 +563,7 @@ arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - pgd_bits = va_bits - (data->bits_per_level * (data->levels - 1)); - data->pgd_size = 1UL << (pgd_bits + ilog2(sizeof(arm_lpae_iopte))); - -- data->iop.ops = (struct io_pgtable_ops) { -- .map = arm_lpae_map, -- .unmap = arm_lpae_unmap, -- .iova_to_phys = arm_lpae_iova_to_phys, -- }; -+ data->iop.ops = &arm_lpae_io_pgtable_ops; - - return data; - } -@@ -830,9 +825,9 @@ static struct iommu_gather_ops dummy_tlb_ops __initdata = { - .flush_pgtable = dummy_flush_pgtable, - }; - --static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) -+static void __init arm_lpae_dump_ops(struct io_pgtable *iop) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - struct io_pgtable_cfg *cfg = &data->iop.cfg; - - pr_err("cfg: pgsize_bitmap 0x%lx, ias %u-bit\n", -@@ -842,9 +837,9 @@ static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) - data->bits_per_level, data->pgd); - } - --#define __FAIL(ops, i) ({ \ -+#define __FAIL(iop, i) ({ \ - WARN(1, "selftest: test failed for fmt idx %d\n", (i)); \ -- arm_lpae_dump_ops(ops); \ -+ arm_lpae_dump_ops(iop); \ - selftest_running = false; \ - -EFAULT; \ - }) -@@ -859,30 +854,32 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - int i, j; - unsigned long iova; - size_t size; -- struct io_pgtable_ops *ops; -+ struct io_pgtable *iop; -+ const struct io_pgtable_ops *ops; - - selftest_running = true; - - for (i = 0; i < ARRAY_SIZE(fmts); ++i) { - cfg_cookie = cfg; -- ops = alloc_io_pgtable_ops(fmts[i], cfg, cfg); -- if (!ops) { -+ iop = alloc_io_pgtable(fmts[i], cfg, cfg); -+ if (!iop) { - pr_err("selftest: failed to allocate io pgtable ops\n"); - return -ENOMEM; - } -+ ops = iop->ops; - - /* - * Initial sanity checks. - * Empty page tables shouldn't provide any translations. - */ -- if (ops->iova_to_phys(ops, 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_2G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_2G + 42)) -+ return __FAIL(iop, i); - - /* - * Distinct mappings of different granule sizes. -@@ -892,19 +889,19 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->map(ops, iova, iova, size, IOMMU_READ | -+ if (ops->map(iop, iova, iova, size, IOMMU_READ | - IOMMU_WRITE | - IOMMU_NOEXEC | - IOMMU_CACHE)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - - /* Overlapping mappings */ -- if (!ops->map(ops, iova, iova + size, size, -+ if (!ops->map(iop, iova, iova + size, size, - IOMMU_READ | IOMMU_NOEXEC)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; -@@ -913,15 +910,15 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - - /* Partial unmap */ - size = 1UL << __ffs(cfg->pgsize_bitmap); -- if (ops->unmap(ops, SZ_1G + size, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, SZ_1G + size, size) != size) -+ return __FAIL(iop, i); - - /* Remap of partial unmap */ -- if (ops->map(ops, SZ_1G + size, size, size, IOMMU_READ)) -- return __FAIL(ops, i); -+ if (ops->map(iop, SZ_1G + size, size, size, IOMMU_READ)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + size + 42) != (size + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + size + 42) != (size + 42)) -+ return __FAIL(iop, i); - - /* Full unmap */ - iova = 0; -@@ -929,25 +926,25 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->unmap(ops, iova, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, iova, size) != size) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42)) -+ return __FAIL(iop, i); - - /* Remap full block */ -- if (ops->map(ops, iova, iova, size, IOMMU_WRITE)) -- return __FAIL(ops, i); -+ if (ops->map(iop, iova, iova, size, IOMMU_WRITE)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; - j = find_next_bit(&cfg->pgsize_bitmap, BITS_PER_LONG, j); - } - -- free_io_pgtable_ops(ops); -+ free_io_pgtable(iop); - } - - selftest_running = false; -diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c -index 6436fe2..088c965 100644 ---- a/drivers/iommu/io-pgtable.c -+++ b/drivers/iommu/io-pgtable.c -@@ -40,7 +40,7 @@ io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = - #endif - }; - --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, - struct io_pgtable_cfg *cfg, - void *cookie) - { -@@ -62,21 +62,18 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - iop->cookie = cookie; - iop->cfg = *cfg; - -- return &iop->ops; -+ return iop; - } - - /* - * It is the IOMMU driver's responsibility to ensure that the page table - * is no longer accessible to the walker by this point. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops) -+void free_io_pgtable(struct io_pgtable *iop) - { -- struct io_pgtable *iop; -- -- if (!ops) -+ if (!iop) - return; - -- iop = container_of(ops, struct io_pgtable, ops); - iop->cfg.tlb->tlb_flush_all(iop->cookie); - io_pgtable_init_table[iop->fmt]->free(iop); - } -diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h -index 10e32f6..0b276c8 100644 ---- a/drivers/iommu/io-pgtable.h -+++ b/drivers/iommu/io-pgtable.h -@@ -75,17 +75,18 @@ struct io_pgtable_cfg { - * These functions map directly onto the iommu_ops member functions with - * the same names. - */ -+struct io_pgtable; - struct io_pgtable_ops { -- int (*map)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*map)(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); -- int (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*unmap)(struct io_pgtable *iop, unsigned long iova, - size_t size); -- phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, -+ phys_addr_t (*iova_to_phys)(struct io_pgtable *iop, - unsigned long iova); - }; - - /** -- * alloc_io_pgtable_ops() - Allocate a page table allocator for use by an IOMMU. -+ * alloc_io_pgtable() - Allocate a page table allocator for use by an IOMMU. - * - * @fmt: The page table format. - * @cfg: The page table configuration. This will be modified to represent -@@ -94,9 +95,9 @@ struct io_pgtable_ops { - * @cookie: An opaque token provided by the IOMMU driver and passed back to - * the callback routines in cfg->tlb. - */ --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -- struct io_pgtable_cfg *cfg, -- void *cookie); -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, -+ struct io_pgtable_cfg *cfg, -+ void *cookie); - - /** - * free_io_pgtable_ops() - Free an io_pgtable_ops structure. The caller -@@ -105,7 +106,7 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - * - * @ops: The ops returned from alloc_io_pgtable_ops. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops); -+void free_io_pgtable(struct io_pgtable *iop); - - - /* -@@ -125,7 +126,7 @@ struct io_pgtable { - enum io_pgtable_fmt fmt; - void *cookie; - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops ops; -+ const struct io_pgtable_ops *ops; - }; - - /** -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index d4f527e..8e4a4fd 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -802,7 +802,7 @@ static int iommu_bus_notifier(struct notifier_block *nb, - static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops) - { - int err; -- struct notifier_block *nb; -+ notifier_block_no_const *nb; - struct iommu_callback_data cb = { - .ops = ops, - }; -diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c -index 1a67c53..23181d8 100644 ---- a/drivers/iommu/ipmmu-vmsa.c -+++ b/drivers/iommu/ipmmu-vmsa.c -@@ -41,7 +41,7 @@ struct ipmmu_vmsa_domain { - struct iommu_domain io_domain; - - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops *iop; -+ struct io_pgtable *iop; - - unsigned int context_id; - spinlock_t lock; /* Protects mappings */ -@@ -328,8 +328,7 @@ static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain) - domain->cfg.oas = 40; - domain->cfg.tlb = &ipmmu_gather_ops; - -- domain->iop = alloc_io_pgtable_ops(ARM_32_LPAE_S1, &domain->cfg, -- domain); -+ domain->iop = alloc_io_pgtable(ARM_32_LPAE_S1, &domain->cfg, domain); - if (!domain->iop) - return -EINVAL; - -@@ -487,7 +486,7 @@ static void ipmmu_domain_free(struct iommu_domain *io_domain) - * been detached. - */ - ipmmu_domain_destroy_context(domain); -- free_io_pgtable_ops(domain->iop); -+ free_io_pgtable(domain->iop); - kfree(domain); - } - -@@ -556,7 +555,7 @@ static int ipmmu_map(struct iommu_domain *io_domain, unsigned long iova, - if (!domain) - return -ENODEV; - -- return domain->iop->map(domain->iop, iova, paddr, size, prot); -+ return domain->iop->ops->map(domain->iop, iova, paddr, size, prot); - } - - static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, -@@ -564,7 +563,7 @@ static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, - { - struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); - -- return domain->iop->unmap(domain->iop, iova, size); -+ return domain->iop->ops->unmap(domain->iop, iova, size); - } - - static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, -@@ -574,7 +573,7 @@ static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, - - /* TODO: Is locking needed ? */ - -- return domain->iop->iova_to_phys(domain->iop, iova); -+ return domain->iop->ops->iova_to_phys(domain->iop, iova); - } - - static int ipmmu_find_utlbs(struct ipmmu_vmsa_device *mmu, struct device *dev, -diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c -index 390079e..1da9d6c 100644 ---- a/drivers/iommu/irq_remapping.c -+++ b/drivers/iommu/irq_remapping.c -@@ -329,7 +329,7 @@ int setup_hpet_msi_remapped(unsigned int irq, unsigned int id) - void panic_if_irq_remap(const char *msg) - { - if (irq_remapping_enabled) -- panic(msg); -+ panic("%s", msg); - } - - static void ir_ack_apic_edge(struct irq_data *data) -@@ -350,10 +350,12 @@ static void ir_print_prefix(struct irq_data *data, struct seq_file *p) - - void irq_remap_modify_chip_defaults(struct irq_chip *chip) - { -- chip->irq_print_chip = ir_print_prefix; -- chip->irq_ack = ir_ack_apic_edge; -- chip->irq_eoi = ir_ack_apic_level; -- chip->irq_set_affinity = x86_io_apic_ops.set_affinity; -+ pax_open_kernel(); -+ *(void **)&chip->irq_print_chip = ir_print_prefix; -+ *(void **)&chip->irq_ack = ir_ack_apic_edge; -+ *(void **)&chip->irq_eoi = ir_ack_apic_level; -+ *(void **)&chip->irq_set_affinity = x86_io_apic_ops.set_affinity; -+ pax_close_kernel(); - } - - bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip) -diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c -index 01999d7..4f14bb7 100644 ---- a/drivers/irqchip/irq-gic.c -+++ b/drivers/irqchip/irq-gic.c -@@ -313,7 +313,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) - chained_irq_exit(chip, desc); - } - --static struct irq_chip gic_chip = { -+static irq_chip_no_const gic_chip __read_only = { - .name = "GIC", - .irq_mask = gic_mask_irq, - .irq_unmask = gic_unmask_irq, -diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c -index 9a0767b..5e5f86f 100644 ---- a/drivers/irqchip/irq-renesas-intc-irqpin.c -+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c -@@ -373,7 +373,7 @@ static int intc_irqpin_probe(struct platform_device *pdev) - struct intc_irqpin_iomem *i; - struct resource *io[INTC_IRQPIN_REG_NR]; - struct resource *irq; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - void (*enable_fn)(struct irq_data *d); - void (*disable_fn)(struct irq_data *d); - const char *name = dev_name(dev); -diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c -index cdf80b7..e5c3ade 100644 ---- a/drivers/irqchip/irq-renesas-irqc.c -+++ b/drivers/irqchip/irq-renesas-irqc.c -@@ -179,7 +179,7 @@ static int irqc_probe(struct platform_device *pdev) - struct irqc_priv *p; - struct resource *io; - struct resource *irq; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - const char *name = dev_name(&pdev->dev); - int ret; - int k; -diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c -index 6a2df32..dc962f1 100644 ---- a/drivers/isdn/capi/capi.c -+++ b/drivers/isdn/capi/capi.c -@@ -81,8 +81,8 @@ struct capiminor { - - struct capi20_appl *ap; - u32 ncci; -- atomic_t datahandle; -- atomic_t msgid; -+ atomic_unchecked_t datahandle; -+ atomic_unchecked_t msgid; - - struct tty_port port; - int ttyinstop; -@@ -391,7 +391,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb) - capimsg_setu16(s, 2, mp->ap->applid); - capimsg_setu8 (s, 4, CAPI_DATA_B3); - capimsg_setu8 (s, 5, CAPI_RESP); -- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(s, 8, mp->ncci); - capimsg_setu16(s, 12, datahandle); - } -@@ -512,14 +512,14 @@ static void handle_minor_send(struct capiminor *mp) - mp->outbytes -= len; - spin_unlock_bh(&mp->outlock); - -- datahandle = atomic_inc_return(&mp->datahandle); -+ datahandle = atomic_inc_return_unchecked(&mp->datahandle); - skb_push(skb, CAPI_DATA_B3_REQ_LEN); - memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 2, mp->ap->applid); - capimsg_setu8 (skb->data, 4, CAPI_DATA_B3); - capimsg_setu8 (skb->data, 5, CAPI_REQ); -- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */ - capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */ - capimsg_setu16(skb->data, 16, len); /* Data length */ -diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c -index aecec6d..11e13c5 100644 ---- a/drivers/isdn/gigaset/bas-gigaset.c -+++ b/drivers/isdn/gigaset/bas-gigaset.c -@@ -2565,22 +2565,22 @@ static int gigaset_post_reset(struct usb_interface *intf) - - - static const struct gigaset_ops gigops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_isoc_send_skb, -- gigaset_isoc_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_isoc_send_skb, -+ .handle_input = gigaset_isoc_input, - }; - - /* bas_gigaset_init -diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c -index 600c79b..3752bab 100644 ---- a/drivers/isdn/gigaset/interface.c -+++ b/drivers/isdn/gigaset/interface.c -@@ -130,9 +130,9 @@ static int if_open(struct tty_struct *tty, struct file *filp) - } - tty->driver_data = cs; - -- ++cs->port.count; -+ atomic_inc(&cs->port.count); - -- if (cs->port.count == 1) { -+ if (atomic_read(&cs->port.count) == 1) { - tty_port_tty_set(&cs->port, tty); - cs->port.low_latency = 1; - } -@@ -156,9 +156,9 @@ static void if_close(struct tty_struct *tty, struct file *filp) - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->port.count) -+ else if (!atomic_read(&cs->port.count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); -- else if (!--cs->port.count) -+ else if (!atomic_dec_return(&cs->port.count)) - tty_port_tty_set(&cs->port, NULL); - - mutex_unlock(&cs->mutex); -diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c -index 8c91fd5..14f13ce 100644 ---- a/drivers/isdn/gigaset/ser-gigaset.c -+++ b/drivers/isdn/gigaset/ser-gigaset.c -@@ -453,22 +453,22 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, /* asyncdata.c */ -- gigaset_m10x_input, /* asyncdata.c */ -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, /* asyncdata.c */ -+ .handle_input = gigaset_m10x_input, /* asyncdata.c */ - }; - - -diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c -index 5f306e2..5342f88 100644 ---- a/drivers/isdn/gigaset/usb-gigaset.c -+++ b/drivers/isdn/gigaset/usb-gigaset.c -@@ -543,7 +543,7 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6]) - gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf); - memcpy(cs->hw.usb->bchars, buf, 6); - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41, -- 0, 0, &buf, 6, 2000); -+ 0, 0, buf, 6, 2000); - } - - static void gigaset_freebcshw(struct bc_state *bcs) -@@ -862,22 +862,22 @@ static int gigaset_pre_reset(struct usb_interface *intf) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, -- gigaset_m10x_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, -+ .handle_input = gigaset_m10x_input, - }; - - /* -diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c -index 4d9b195..455075c 100644 ---- a/drivers/isdn/hardware/avm/b1.c -+++ b/drivers/isdn/hardware/avm/b1.c -@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file) - } - if (left) { - if (t4file->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config) - } - if (left) { - if (config->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c -index 9b856e1..fa03c92 100644 ---- a/drivers/isdn/i4l/isdn_common.c -+++ b/drivers/isdn/i4l/isdn_common.c -@@ -1654,6 +1654,8 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) - } else - return -EINVAL; - case IIOCDBGVAR: -+ if (!capable(CAP_SYS_RAWIO)) -+ return -EPERM; - if (arg) { - if (copy_to_user(argp, &dev, sizeof(ulong))) - return -EFAULT; -diff --git a/drivers/isdn/i4l/isdn_concap.c b/drivers/isdn/i4l/isdn_concap.c -index 91d5730..336523e 100644 ---- a/drivers/isdn/i4l/isdn_concap.c -+++ b/drivers/isdn/i4l/isdn_concap.c -@@ -80,9 +80,9 @@ static int isdn_concap_dl_disconn_req(struct concap_proto *concap) - } - - struct concap_device_ops isdn_concap_reliable_dl_dops = { -- &isdn_concap_dl_data_req, -- &isdn_concap_dl_connect_req, -- &isdn_concap_dl_disconn_req -+ .data_req = &isdn_concap_dl_data_req, -+ .connect_req = &isdn_concap_dl_connect_req, -+ .disconn_req = &isdn_concap_dl_disconn_req - }; - - /* The following should better go into a dedicated source file such that -diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c -index bc91261..2ef7e36 100644 ---- a/drivers/isdn/i4l/isdn_tty.c -+++ b/drivers/isdn/i4l/isdn_tty.c -@@ -1503,9 +1503,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp) - - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name, -- port->count); -+ atomic_read(&port->count)); - #endif -- port->count++; -+ atomic_inc(&port->count); - port->tty = tty; - /* - * Start up serial port -@@ -1549,7 +1549,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - #endif - return; - } -- if ((tty->count == 1) && (port->count != 1)) { -+ if ((tty->count == 1) && (atomic_read(&port->count) != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always -@@ -1558,15 +1558,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - * serial port won't be shutdown. - */ - printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, " -- "info->count is %d\n", port->count); -- port->count = 1; -+ "info->count is %d\n", atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n", -- info->line, port->count); -- port->count = 0; -+ info->line, atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } -- if (port->count) { -+ if (atomic_read(&port->count)) { - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n"); - #endif -@@ -1620,7 +1620,7 @@ isdn_tty_hangup(struct tty_struct *tty) - if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup")) - return; - isdn_tty_shutdown(info); -- port->count = 0; -+ atomic_set(&port->count, 0); - port->flags &= ~ASYNC_NORMAL_ACTIVE; - port->tty = NULL; - wake_up_interruptible(&port->open_wait); -@@ -1965,7 +1965,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup) - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - modem_info *info = &dev->mdm.info[i]; - -- if (info->port.count == 0) -+ if (atomic_read(&info->port.count) == 0) - continue; - if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */ - (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */ -diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c -index e2d4e58..40cd045 100644 ---- a/drivers/isdn/i4l/isdn_x25iface.c -+++ b/drivers/isdn/i4l/isdn_x25iface.c -@@ -53,14 +53,14 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *); - - - static struct concap_proto_ops ix25_pops = { -- &isdn_x25iface_proto_new, -- &isdn_x25iface_proto_del, -- &isdn_x25iface_proto_restart, -- &isdn_x25iface_proto_close, -- &isdn_x25iface_xmit, -- &isdn_x25iface_receive, -- &isdn_x25iface_connect_ind, -- &isdn_x25iface_disconn_ind -+ .proto_new = &isdn_x25iface_proto_new, -+ .proto_del = &isdn_x25iface_proto_del, -+ .restart = &isdn_x25iface_proto_restart, -+ .close = &isdn_x25iface_proto_close, -+ .encap_and_xmit = &isdn_x25iface_xmit, -+ .data_ind = &isdn_x25iface_receive, -+ .connect_ind = &isdn_x25iface_connect_ind, -+ .disconn_ind = &isdn_x25iface_disconn_ind - }; - - /* error message helper function */ -diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c -index 358a574..b4987ea 100644 ---- a/drivers/isdn/icn/icn.c -+++ b/drivers/isdn/icn/icn.c -@@ -1045,7 +1045,7 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card) - if (count > len) - count = len; - if (user) { -- if (copy_from_user(msg, buf, count)) -+ if (count > sizeof msg || copy_from_user(msg, buf, count)) - return -EFAULT; - } else - memcpy(msg, buf, count); -diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c -index 52c4382..09e0c7c 100644 ---- a/drivers/isdn/mISDN/dsp_cmx.c -+++ b/drivers/isdn/mISDN/dsp_cmx.c -@@ -1625,7 +1625,7 @@ unsigned long dsp_spl_jiffies; /* calculate the next time to fire */ - static u16 dsp_count; /* last sample count */ - static int dsp_count_valid; /* if we have last sample count */ - --void -+void __intentional_overflow(-1) - dsp_cmx_send(void *arg) - { - struct dsp_conf *conf; -diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c -index 312ffd3..9263d05 100644 ---- a/drivers/lguest/core.c -+++ b/drivers/lguest/core.c -@@ -96,9 +96,17 @@ static __init int map_switcher(void) - * The end address needs +1 because __get_vm_area allocates an - * extra guard page, so we need space for that. - */ -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, -+ VM_ALLOC | VM_KERNEXEC, switcher_addr, switcher_addr -+ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#else - switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, - VM_ALLOC, switcher_addr, switcher_addr - + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#endif -+ - if (!switcher_vma) { - err = -ENOMEM; - printk("lguest: could not map switcher pages high\n"); -@@ -121,7 +129,7 @@ static __init int map_switcher(void) - * Now the Switcher is mapped at the right address, we can't fail! - * Copy in the compiled-in Switcher code (from x86/switcher_32.S). - */ -- memcpy(switcher_vma->addr, start_switcher_text, -+ memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text), - end_switcher_text - start_switcher_text); - - printk(KERN_INFO "lguest: mapped switcher at %p\n", -diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c -index e3abebc9..6a35328 100644 ---- a/drivers/lguest/page_tables.c -+++ b/drivers/lguest/page_tables.c -@@ -585,7 +585,7 @@ void pin_page(struct lg_cpu *cpu, unsigned long vaddr) - /*:*/ - - #ifdef CONFIG_X86_PAE --static void release_pmd(pmd_t *spmd) -+static void __intentional_overflow(-1) release_pmd(pmd_t *spmd) - { - /* If the entry's not present, there's nothing to release. */ - if (pmd_flags(*spmd) & _PAGE_PRESENT) { -diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c -index 30f2aef..391c748 100644 ---- a/drivers/lguest/x86/core.c -+++ b/drivers/lguest/x86/core.c -@@ -60,7 +60,7 @@ static struct { - /* Offset from where switcher.S was compiled to where we've copied it */ - static unsigned long switcher_offset(void) - { -- return switcher_addr - (unsigned long)start_switcher_text; -+ return switcher_addr - (unsigned long)ktla_ktva(start_switcher_text); - } - - /* This cpu's struct lguest_pages (after the Switcher text page) */ -@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) - * These copies are pretty cheap, so we do them unconditionally: */ - /* Save the current Host top-level page directory. - */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pages->state.host_cr3 = read_cr3(); -+#else - pages->state.host_cr3 = __pa(current->mm->pgd); -+#endif -+ - /* - * Set up the Guest's page tables to see this CPU's pages (and no - * other CPU's pages). -@@ -494,7 +500,7 @@ void __init lguest_arch_host_init(void) - * compiled-in switcher code and the high-mapped copy we just made. - */ - for (i = 0; i < IDT_ENTRIES; i++) -- default_idt_entries[i] += switcher_offset(); -+ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset(); - - /* - * Set up the Switcher's per-cpu areas. -@@ -577,7 +583,7 @@ void __init lguest_arch_host_init(void) - * it will be undisturbed when we switch. To change %cs and jump we - * need this structure to feed to Intel's "lcall" instruction. - */ -- lguest_entry.offset = (long)switch_to_guest + switcher_offset(); -+ lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset(); - lguest_entry.segment = LGUEST_CS; - - /* -diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S -index 40634b0..4f5855e 100644 ---- a/drivers/lguest/x86/switcher_32.S -+++ b/drivers/lguest/x86/switcher_32.S -@@ -87,6 +87,7 @@ - #include <asm/page.h> - #include <asm/segment.h> - #include <asm/lguest.h> -+#include <asm/processor-flags.h> - - // We mark the start of the code to copy - // It's placed in .text tho it's never run here -@@ -149,6 +150,13 @@ ENTRY(switch_to_guest) - // Changes type when we load it: damn Intel! - // For after we switch over our page tables - // That entry will be read-only: we'd crash. -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %edx -+ xor $X86_CR0_WP, %edx -+ mov %edx, %cr0 -+#endif -+ - movl $(GDT_ENTRY_TSS*8), %edx - ltr %dx - -@@ -157,9 +165,15 @@ ENTRY(switch_to_guest) - // Let's clear it again for our return. - // The GDT descriptor of the Host - // Points to the table after two "size" bytes -- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx -+ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax - // Clear "used" from type field (byte 5, bit 2) -- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx) -+ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %eax -+ xor $X86_CR0_WP, %eax -+ mov %eax, %cr0 -+#endif - - // Once our page table's switched, the Guest is live! - // The Host fades as we run this final step. -@@ -295,13 +309,12 @@ deliver_to_host: - // I consulted gcc, and it gave - // These instructions, which I gladly credit: - leal (%edx,%ebx,8), %eax -- movzwl (%eax),%edx -- movl 4(%eax), %eax -- xorw %ax, %ax -- orl %eax, %edx -+ movl 4(%eax), %edx -+ movw (%eax), %dx - // Now the address of the handler's in %edx - // We call it now: its "iret" drops us home. -- jmp *%edx -+ ljmp $__KERNEL_CS, $1f -+1: jmp *%edx - - // Every interrupt can come to us here - // But we must truly tell each apart. -diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h -index a08e3ee..df8ade2 100644 ---- a/drivers/md/bcache/closure.h -+++ b/drivers/md/bcache/closure.h -@@ -238,7 +238,7 @@ static inline void closure_set_stopped(struct closure *cl) - static inline void set_closure_fn(struct closure *cl, closure_fn *fn, - struct workqueue_struct *wq) - { -- BUG_ON(object_is_on_stack(cl)); -+ BUG_ON(object_starts_on_stack(cl)); - closure_set_ip(cl); - cl->fn = fn; - cl->wq = wq; -diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c -index c90118e..226d9e5 100644 ---- a/drivers/md/bitmap.c -+++ b/drivers/md/bitmap.c -@@ -1936,7 +1936,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap) - chunk_kb ? "KB" : "B"); - if (bitmap->storage.file) { - seq_printf(seq, ", file: "); -- seq_path(seq, &bitmap->storage.file->f_path, " \t\n"); -+ seq_path(seq, &bitmap->storage.file->f_path, " \t\n\\"); - } - - seq_printf(seq, "\n"); -diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c -index 720ceeb..030f1d4 100644 ---- a/drivers/md/dm-ioctl.c -+++ b/drivers/md/dm-ioctl.c -@@ -1773,7 +1773,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param) - cmd == DM_LIST_VERSIONS_CMD) - return 0; - -- if ((cmd == DM_DEV_CREATE_CMD)) { -+ if (cmd == DM_DEV_CREATE_CMD) { - if (!*param->name) { - DMWARN("name not supplied when creating device"); - return -EINVAL; -diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c -index 089d627..ef7352e 100644 ---- a/drivers/md/dm-raid1.c -+++ b/drivers/md/dm-raid1.c -@@ -40,7 +40,7 @@ enum dm_raid1_error { - - struct mirror { - struct mirror_set *ms; -- atomic_t error_count; -+ atomic_unchecked_t error_count; - unsigned long error_type; - struct dm_dev *dev; - sector_t offset; -@@ -186,7 +186,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms) - struct mirror *m; - - for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++) -- if (!atomic_read(&m->error_count)) -+ if (!atomic_read_unchecked(&m->error_count)) - return m; - - return NULL; -@@ -218,7 +218,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type) - * simple way to tell if a device has encountered - * errors. - */ -- atomic_inc(&m->error_count); -+ atomic_inc_unchecked(&m->error_count); - - if (test_and_set_bit(error_type, &m->error_type)) - return; -@@ -409,7 +409,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector) - struct mirror *m = get_default_mirror(ms); - - do { -- if (likely(!atomic_read(&m->error_count))) -+ if (likely(!atomic_read_unchecked(&m->error_count))) - return m; - - if (m-- == ms->mirror) -@@ -423,7 +423,7 @@ static int default_ok(struct mirror *m) - { - struct mirror *default_mirror = get_default_mirror(m->ms); - -- return !atomic_read(&default_mirror->error_count); -+ return !atomic_read_unchecked(&default_mirror->error_count); - } - - static int mirror_available(struct mirror_set *ms, struct bio *bio) -@@ -560,7 +560,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) - */ - if (likely(region_in_sync(ms, region, 1))) - m = choose_mirror(ms, bio->bi_iter.bi_sector); -- else if (m && atomic_read(&m->error_count)) -+ else if (m && atomic_read_unchecked(&m->error_count)) - m = NULL; - - if (likely(m)) -@@ -936,7 +936,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti, - } - - ms->mirror[mirror].ms = ms; -- atomic_set(&(ms->mirror[mirror].error_count), 0); -+ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0); - ms->mirror[mirror].error_type = 0; - ms->mirror[mirror].offset = offset; - -@@ -1351,7 +1351,7 @@ static void mirror_resume(struct dm_target *ti) - */ - static char device_status_char(struct mirror *m) - { -- if (!atomic_read(&(m->error_count))) -+ if (!atomic_read_unchecked(&(m->error_count))) - return 'A'; - - return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' : -diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c -index 419bdd4..e5eb76d 100644 ---- a/drivers/md/dm-stats.c -+++ b/drivers/md/dm-stats.c -@@ -382,7 +382,7 @@ do_sync_free: - synchronize_rcu_expedited(); - dm_stat_free(&s->rcu_head); - } else { -- ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1; -+ ACCESS_ONCE_RW(dm_stat_need_rcu_barrier) = 1; - call_rcu(&s->rcu_head, dm_stat_free); - } - return 0; -@@ -554,8 +554,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, - ((bi_rw & (REQ_WRITE | REQ_DISCARD)) == - (ACCESS_ONCE(last->last_rw) & (REQ_WRITE | REQ_DISCARD))) - )); -- ACCESS_ONCE(last->last_sector) = end_sector; -- ACCESS_ONCE(last->last_rw) = bi_rw; -+ ACCESS_ONCE_RW(last->last_sector) = end_sector; -+ ACCESS_ONCE_RW(last->last_rw) = bi_rw; - } - - rcu_read_lock(); -diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c -index f8b37d4..5c5cafd 100644 ---- a/drivers/md/dm-stripe.c -+++ b/drivers/md/dm-stripe.c -@@ -21,7 +21,7 @@ struct stripe { - struct dm_dev *dev; - sector_t physical_start; - -- atomic_t error_count; -+ atomic_unchecked_t error_count; - }; - - struct stripe_c { -@@ -188,7 +188,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) - kfree(sc); - return r; - } -- atomic_set(&(sc->stripe[i].error_count), 0); -+ atomic_set_unchecked(&(sc->stripe[i].error_count), 0); - } - - ti->private = sc; -@@ -332,7 +332,7 @@ static void stripe_status(struct dm_target *ti, status_type_t type, - DMEMIT("%d ", sc->stripes); - for (i = 0; i < sc->stripes; i++) { - DMEMIT("%s ", sc->stripe[i].dev->name); -- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? -+ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ? - 'D' : 'A'; - } - buffer[i] = '\0'; -@@ -377,8 +377,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error) - */ - for (i = 0; i < sc->stripes; i++) - if (!strcmp(sc->stripe[i].dev->name, major_minor)) { -- atomic_inc(&(sc->stripe[i].error_count)); -- if (atomic_read(&(sc->stripe[i].error_count)) < -+ atomic_inc_unchecked(&(sc->stripe[i].error_count)); -+ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) < - DM_IO_ERROR_THRESHOLD) - schedule_work(&sc->trigger_event); - } -diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c -index 16ba55a..31af906 100644 ---- a/drivers/md/dm-table.c -+++ b/drivers/md/dm-table.c -@@ -305,7 +305,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev, - if (!dev_size) - return 0; - -- if ((start >= dev_size) || (start + len > dev_size)) { -+ if ((start >= dev_size) || (len > dev_size - start)) { - DMWARN("%s: %s too small for target: " - "start=%llu, len=%llu, dev_size=%llu", - dm_device_name(ti->table->md), bdevname(bdev, b), -diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c -index cde1d67..4c88a5ce 100644 ---- a/drivers/md/dm-thin-metadata.c -+++ b/drivers/md/dm-thin-metadata.c -@@ -404,7 +404,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - { - pmd->info.tm = pmd->tm; - pmd->info.levels = 2; -- pmd->info.value_type.context = pmd->data_sm; -+ pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->info.value_type.size = sizeof(__le64); - pmd->info.value_type.inc = data_block_inc; - pmd->info.value_type.dec = data_block_dec; -@@ -423,7 +423,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - - pmd->bl_info.tm = pmd->tm; - pmd->bl_info.levels = 1; -- pmd->bl_info.value_type.context = pmd->data_sm; -+ pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->bl_info.value_type.size = sizeof(__le64); - pmd->bl_info.value_type.inc = data_block_inc; - pmd->bl_info.value_type.dec = data_block_dec; -diff --git a/drivers/md/dm.c b/drivers/md/dm.c -index 697f34f..8301900 100644 ---- a/drivers/md/dm.c -+++ b/drivers/md/dm.c -@@ -191,9 +191,9 @@ struct mapped_device { - /* - * Event handling. - */ -- atomic_t event_nr; -+ atomic_unchecked_t event_nr; - wait_queue_head_t eventq; -- atomic_t uevent_seq; -+ atomic_unchecked_t uevent_seq; - struct list_head uevent_list; - spinlock_t uevent_lock; /* Protect access to uevent_list */ - -@@ -2287,8 +2287,8 @@ static struct mapped_device *alloc_dev(int minor) - spin_lock_init(&md->deferred_lock); - atomic_set(&md->holders, 1); - atomic_set(&md->open_count, 0); -- atomic_set(&md->event_nr, 0); -- atomic_set(&md->uevent_seq, 0); -+ atomic_set_unchecked(&md->event_nr, 0); -+ atomic_set_unchecked(&md->uevent_seq, 0); - INIT_LIST_HEAD(&md->uevent_list); - INIT_LIST_HEAD(&md->table_devices); - spin_lock_init(&md->uevent_lock); -@@ -2455,7 +2455,7 @@ static void event_callback(void *context) - - dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj); - -- atomic_inc(&md->event_nr); -+ atomic_inc_unchecked(&md->event_nr); - wake_up(&md->eventq); - } - -@@ -3454,18 +3454,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, - - uint32_t dm_next_uevent_seq(struct mapped_device *md) - { -- return atomic_add_return(1, &md->uevent_seq); -+ return atomic_add_return_unchecked(1, &md->uevent_seq); - } - - uint32_t dm_get_event_nr(struct mapped_device *md) - { -- return atomic_read(&md->event_nr); -+ return atomic_read_unchecked(&md->event_nr); - } - - int dm_wait_event(struct mapped_device *md, int event_nr) - { - return wait_event_interruptible(md->eventq, -- (event_nr != atomic_read(&md->event_nr))); -+ (event_nr != atomic_read_unchecked(&md->event_nr))); - } - - void dm_uevent_add(struct mapped_device *md, struct list_head *elist) -diff --git a/drivers/md/md.c b/drivers/md/md.c -index e462151..8ac9655 100644 ---- a/drivers/md/md.c -+++ b/drivers/md/md.c -@@ -197,10 +197,10 @@ EXPORT_SYMBOL_GPL(bio_clone_mddev); - * start build, activate spare - */ - static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters); --static atomic_t md_event_count; -+static atomic_unchecked_t md_event_count; - void md_new_event(struct mddev *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - EXPORT_SYMBOL_GPL(md_new_event); -@@ -210,7 +210,7 @@ EXPORT_SYMBOL_GPL(md_new_event); - */ - static void md_new_event_inintr(struct mddev *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - -@@ -1449,7 +1449,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ - if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) && - (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET)) - rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset); -- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); -+ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); - - rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256; - bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1; -@@ -1700,7 +1700,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev) - else - sb->resync_offset = cpu_to_le64(0); - -- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors)); -+ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors)); - - sb->raid_disks = cpu_to_le32(mddev->raid_disks); - sb->size = cpu_to_le64(mddev->dev_sectors); -@@ -2624,7 +2624,7 @@ __ATTR_PREALLOC(state, S_IRUGO|S_IWUSR, state_show, state_store); - static ssize_t - errors_show(struct md_rdev *rdev, char *page) - { -- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors)); -+ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors)); - } - - static ssize_t -@@ -2633,7 +2633,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len) - char *e; - unsigned long n = simple_strtoul(buf, &e, 10); - if (*buf && (*e == 0 || *e == '\n')) { -- atomic_set(&rdev->corrected_errors, n); -+ atomic_set_unchecked(&rdev->corrected_errors, n); - return len; - } - return -EINVAL; -@@ -3069,8 +3069,8 @@ int md_rdev_init(struct md_rdev *rdev) - rdev->sb_loaded = 0; - rdev->bb_page = NULL; - atomic_set(&rdev->nr_pending, 0); -- atomic_set(&rdev->read_errors, 0); -- atomic_set(&rdev->corrected_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->corrected_errors, 0); - - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); -@@ -5746,16 +5746,16 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) - - err = 0; - spin_lock(&mddev->lock); -- /* bitmap disabled, zero the first byte and copy out */ -- if (!mddev->bitmap_info.file) -- file->pathname[0] = '\0'; -- else if ((ptr = d_path(&mddev->bitmap_info.file->f_path, -- file->pathname, sizeof(file->pathname))), -- IS_ERR(ptr)) -- err = PTR_ERR(ptr); -- else -- memmove(file->pathname, ptr, -- sizeof(file->pathname)-(ptr-file->pathname)); -+ /* bitmap enabled */ -+ if (mddev->bitmap_info.file) { -+ ptr = d_path(&mddev->bitmap_info.file->f_path, -+ file->pathname, sizeof(file->pathname)); -+ if (IS_ERR(ptr)) -+ err = PTR_ERR(ptr); -+ else -+ memmove(file->pathname, ptr, -+ sizeof(file->pathname)-(ptr-file->pathname)); -+ } - spin_unlock(&mddev->lock); - - if (err == 0 && -@@ -7237,7 +7237,7 @@ static int md_seq_show(struct seq_file *seq, void *v) - - spin_unlock(&pers_lock); - seq_printf(seq, "\n"); -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return 0; - } - if (v == (void*)2) { -@@ -7340,7 +7340,7 @@ static int md_seq_open(struct inode *inode, struct file *file) - return error; - - seq = file->private_data; -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return error; - } - -@@ -7357,7 +7357,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait) - /* always allow read */ - mask = POLLIN | POLLRDNORM; - -- if (seq->poll_event != atomic_read(&md_event_count)) -+ if (seq->poll_event != atomic_read_unchecked(&md_event_count)) - mask |= POLLERR | POLLPRI; - return mask; - } -@@ -7453,7 +7453,7 @@ static int is_mddev_idle(struct mddev *mddev, int init) - struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&disk->sync_io); -+ atomic_read_unchecked(&disk->sync_io); - /* sync IO will cause sync_io to increase before the disk_stats - * as sync_io is counted when a request starts, and - * disk_stats is counted when it completes. -diff --git a/drivers/md/md.h b/drivers/md/md.h -index 4046a6c..e2f2997 100644 ---- a/drivers/md/md.h -+++ b/drivers/md/md.h -@@ -95,13 +95,13 @@ struct md_rdev { - * only maintained for arrays that - * support hot removal - */ -- atomic_t read_errors; /* number of consecutive read errors that -+ atomic_unchecked_t read_errors; /* number of consecutive read errors that - * we have tried to ignore. - */ - struct timespec last_read_error; /* monotonic time since our - * last read error - */ -- atomic_t corrected_errors; /* number of corrected read errors, -+ atomic_unchecked_t corrected_errors; /* number of corrected read errors, - * for reporting to userspace and storing - * in superblock. - */ -@@ -486,7 +486,7 @@ extern void mddev_unlock(struct mddev *mddev); - - static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors) - { -- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); -+ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); - } - - struct md_personality -diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c -index 5309129..7fb096e 100644 ---- a/drivers/md/persistent-data/dm-space-map-metadata.c -+++ b/drivers/md/persistent-data/dm-space-map-metadata.c -@@ -691,7 +691,7 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) - * Flick into a mode where all blocks get allocated in the new area. - */ - smm->begin = old_len; -- memcpy(sm, &bootstrap_ops, sizeof(*sm)); -+ memcpy((void *)sm, &bootstrap_ops, sizeof(*sm)); - - /* - * Extend. -@@ -728,7 +728,7 @@ out: - /* - * Switch back to normal behaviour. - */ -- memcpy(sm, &ops, sizeof(*sm)); -+ memcpy((void *)sm, &ops, sizeof(*sm)); - return r; - } - -diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h -index 3e6d115..ffecdeb 100644 ---- a/drivers/md/persistent-data/dm-space-map.h -+++ b/drivers/md/persistent-data/dm-space-map.h -@@ -71,6 +71,7 @@ struct dm_space_map { - dm_sm_threshold_fn fn, - void *context); - }; -+typedef struct dm_space_map __no_const dm_space_map_no_const; - - /*----------------------------------------------------------------*/ - -diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c -index 5ce3cd5c..f147017 100644 ---- a/drivers/md/raid1.c -+++ b/drivers/md/raid1.c -@@ -1936,7 +1936,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) - if (r1_sync_page_io(rdev, sect, s, - bio->bi_io_vec[idx].bv_page, - READ) != 0) -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - sectors -= s; - sect += s; -@@ -2169,7 +2169,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, - !test_bit(Faulty, &rdev->flags)) { - if (r1_sync_page_io(rdev, sect, s, - conf->tmppage, READ)) { -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - printk(KERN_INFO - "md/raid1:%s: read error corrected " - "(%d sectors at %llu on %s)\n", -diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c -index f55c3f3..4cca8c8 100644 ---- a/drivers/md/raid10.c -+++ b/drivers/md/raid10.c -@@ -1934,7 +1934,7 @@ static void end_sync_read(struct bio *bio, int error) - /* The write handler will notice the lack of - * R10BIO_Uptodate and record any errors etc - */ -- atomic_add(r10_bio->sectors, -+ atomic_add_unchecked(r10_bio->sectors, - &conf->mirrors[d].rdev->corrected_errors); - - /* for reconstruct, we always reschedule after a read. -@@ -2291,7 +2291,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - { - struct timespec cur_time_mon; - unsigned long hours_since_last; -- unsigned int read_errors = atomic_read(&rdev->read_errors); -+ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors); - - ktime_get_ts(&cur_time_mon); - -@@ -2313,9 +2313,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - * overflowing the shift of read_errors by hours_since_last. - */ - if (hours_since_last >= 8 * sizeof(read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); - else -- atomic_set(&rdev->read_errors, read_errors >> hours_since_last); -+ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last); - } - - static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector, -@@ -2369,8 +2369,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - return; - - check_decay_read_errors(mddev, rdev); -- atomic_inc(&rdev->read_errors); -- if (atomic_read(&rdev->read_errors) > max_read_errors) { -+ atomic_inc_unchecked(&rdev->read_errors); -+ if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) { - char b[BDEVNAME_SIZE]; - bdevname(rdev->bdev, b); - -@@ -2378,7 +2378,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - "md/raid10:%s: %s: Raid device exceeded " - "read_error threshold [cur %d:max %d]\n", - mdname(mddev), b, -- atomic_read(&rdev->read_errors), max_read_errors); -+ atomic_read_unchecked(&rdev->read_errors), max_read_errors); - printk(KERN_NOTICE - "md/raid10:%s: %s: Failing raid device\n", - mdname(mddev), b); -@@ -2533,7 +2533,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - sect + - choose_data_offset(r10_bio, rdev)), - bdevname(rdev->bdev, b)); -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - - rdev_dec_pending(rdev, mddev); -diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c -index b6793d2..92be2bc 100644 ---- a/drivers/md/raid5.c -+++ b/drivers/md/raid5.c -@@ -1108,23 +1108,23 @@ async_copy_data(int frombio, struct bio *bio, struct page **page, - struct bio_vec bvl; - struct bvec_iter iter; - struct page *bio_page; -- int page_offset; -+ s64 page_offset; - struct async_submit_ctl submit; - enum async_tx_flags flags = 0; - - if (bio->bi_iter.bi_sector >= sector) -- page_offset = (signed)(bio->bi_iter.bi_sector - sector) * 512; -+ page_offset = (s64)(bio->bi_iter.bi_sector - sector) * 512; - else -- page_offset = (signed)(sector - bio->bi_iter.bi_sector) * -512; -+ page_offset = (s64)(sector - bio->bi_iter.bi_sector) * -512; - - if (frombio) - flags |= ASYNC_TX_FENCE; - init_async_submit(&submit, flags, tx, NULL, NULL, NULL); - - bio_for_each_segment(bvl, bio, iter) { -- int len = bvl.bv_len; -- int clen; -- int b_offset = 0; -+ s64 len = bvl.bv_len; -+ s64 clen; -+ s64 b_offset = 0; - - if (page_offset < 0) { - b_offset = -page_offset; -@@ -2017,6 +2017,10 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) - return 1; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t raid5_cache_id = ATOMIC_INIT(0); -+#endif -+ - static int grow_stripes(struct r5conf *conf, int num) - { - struct kmem_cache *sc; -@@ -2027,7 +2031,11 @@ static int grow_stripes(struct r5conf *conf, int num) - "raid%d-%s", conf->level, mdname(conf->mddev)); - else - sprintf(conf->cache_name[0], -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ "raid%d-%08lx", conf->level, atomic_inc_return_unchecked(&raid5_cache_id)); -+#else - "raid%d-%p", conf->level, conf->mddev); -+#endif - sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]); - - conf->active_name = 0; -@@ -2315,21 +2323,21 @@ static void raid5_end_read_request(struct bio * bi, int error) - mdname(conf->mddev), STRIPE_SECTORS, - (unsigned long long)s, - bdevname(rdev->bdev, b)); -- atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); -+ atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors); - clear_bit(R5_ReadError, &sh->dev[i].flags); - clear_bit(R5_ReWrite, &sh->dev[i].flags); - } else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) - clear_bit(R5_ReadNoMerge, &sh->dev[i].flags); - -- if (atomic_read(&rdev->read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ if (atomic_read_unchecked(&rdev->read_errors)) -+ atomic_set_unchecked(&rdev->read_errors, 0); - } else { - const char *bdn = bdevname(rdev->bdev, b); - int retry = 0; - int set_bad = 0; - - clear_bit(R5_UPTODATE, &sh->dev[i].flags); -- atomic_inc(&rdev->read_errors); -+ atomic_inc_unchecked(&rdev->read_errors); - if (test_bit(R5_ReadRepl, &sh->dev[i].flags)) - printk_ratelimited( - KERN_WARNING -@@ -2357,7 +2365,7 @@ static void raid5_end_read_request(struct bio * bi, int error) - mdname(conf->mddev), - (unsigned long long)s, - bdn); -- } else if (atomic_read(&rdev->read_errors) -+ } else if (atomic_read_unchecked(&rdev->read_errors) - > conf->max_nr_stripes) - printk(KERN_WARNING - "md/raid:%s: Too many read errors, failing device %s.\n", -diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c -index 13bb57f..0ca21b2 100644 ---- a/drivers/media/dvb-core/dvbdev.c -+++ b/drivers/media/dvb-core/dvbdev.c -@@ -272,7 +272,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, - const struct dvb_device *template, void *priv, int type) - { - struct dvb_device *dvbdev; -- struct file_operations *dvbdevfops; -+ file_operations_no_const *dvbdevfops; - struct device *clsdev; - int minor; - int id; -diff --git a/drivers/media/dvb-frontends/af9033.h b/drivers/media/dvb-frontends/af9033.h -index 6ad22b6..6e90e2a 100644 ---- a/drivers/media/dvb-frontends/af9033.h -+++ b/drivers/media/dvb-frontends/af9033.h -@@ -96,6 +96,6 @@ struct af9033_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_filter)(struct dvb_frontend *fe, int index, u16 pid, - int onoff); --}; -+} __no_const; - - #endif /* AF9033_H */ -diff --git a/drivers/media/dvb-frontends/dib3000.h b/drivers/media/dvb-frontends/dib3000.h -index 6ae9899..07d8543 100644 ---- a/drivers/media/dvb-frontends/dib3000.h -+++ b/drivers/media/dvb-frontends/dib3000.h -@@ -39,7 +39,7 @@ struct dib_fe_xfer_ops - int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff); - int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB3000MB) - extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config, -diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h -index baa2789..c8de7fe 100644 ---- a/drivers/media/dvb-frontends/dib7000p.h -+++ b/drivers/media/dvb-frontends/dib7000p.h -@@ -64,7 +64,7 @@ struct dib7000p_ops { - int (*get_adc_power)(struct dvb_frontend *fe); - int (*slave_reset)(struct dvb_frontend *fe); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB7000P) - void *dib7000p_attach(struct dib7000p_ops *ops); -diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h -index 780c37b..50e2620 100644 ---- a/drivers/media/dvb-frontends/dib8000.h -+++ b/drivers/media/dvb-frontends/dib8000.h -@@ -61,7 +61,7 @@ struct dib8000_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, u8 onoff); - int (*pid_filter)(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB8000) - void *dib8000_attach(struct dib8000_ops *ops); -diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c -index c9decd8..7849cec 100644 ---- a/drivers/media/pci/cx88/cx88-video.c -+++ b/drivers/media/pci/cx88/cx88-video.c -@@ -50,9 +50,9 @@ MODULE_VERSION(CX88_VERSION); - - /* ------------------------------------------------------------------ */ - --static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; - - module_param_array(video_nr, int, NULL, 0444); - module_param_array(vbi_nr, int, NULL, 0444); -diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c -index c2e60b4..5eeccc0 100644 ---- a/drivers/media/pci/ivtv/ivtv-driver.c -+++ b/drivers/media/pci/ivtv/ivtv-driver.c -@@ -83,7 +83,7 @@ static struct pci_device_id ivtv_pci_tbl[] = { - MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl); - - /* ivtv instance counter */ --static atomic_t ivtv_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t ivtv_instance = ATOMIC_INIT(0); - - /* Parameter declarations */ - static int cardtype[IVTV_MAX_CARDS]; -diff --git a/drivers/media/pci/solo6x10/solo6x10-core.c b/drivers/media/pci/solo6x10/solo6x10-core.c -index 570d119..ed25830 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-core.c -+++ b/drivers/media/pci/solo6x10/solo6x10-core.c -@@ -424,7 +424,7 @@ static void solo_device_release(struct device *dev) - - static int solo_sysfs_init(struct solo_dev *solo_dev) - { -- struct bin_attribute *sdram_attr = &solo_dev->sdram_attr; -+ bin_attribute_no_const *sdram_attr = &solo_dev->sdram_attr; - struct device *dev = &solo_dev->dev; - const char *driver; - int i; -diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c -index 7ddc767..1c24361 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-g723.c -+++ b/drivers/media/pci/solo6x10/solo6x10-g723.c -@@ -351,7 +351,7 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev) - - int solo_g723_init(struct solo_dev *solo_dev) - { -- static struct snd_device_ops ops = { NULL }; -+ static struct snd_device_ops ops = { }; - struct snd_card *card; - struct snd_kcontrol_new kctl; - char name[32]; -diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c b/drivers/media/pci/solo6x10/solo6x10-p2m.c -index 8c84846..27b4f83 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-p2m.c -+++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c -@@ -73,7 +73,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev, - - /* Get next ID. According to Softlogic, 6110 has problems on !=0 P2M */ - if (solo_dev->type != SOLO_DEV_6110 && multi_p2m) { -- p2m_id = atomic_inc_return(&solo_dev->p2m_count) % SOLO_NR_P2M; -+ p2m_id = atomic_inc_return_unchecked(&solo_dev->p2m_count) % SOLO_NR_P2M; - if (p2m_id < 0) - p2m_id = -p2m_id; - } -diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h -index 1ca54b0..7d7cb9a 100644 ---- a/drivers/media/pci/solo6x10/solo6x10.h -+++ b/drivers/media/pci/solo6x10/solo6x10.h -@@ -218,7 +218,7 @@ struct solo_dev { - - /* P2M DMA Engine */ - struct solo_p2m_dev p2m_dev[SOLO_NR_P2M]; -- atomic_t p2m_count; -+ atomic_unchecked_t p2m_count; - int p2m_jiffies; - unsigned int p2m_timeouts; - -diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c -index c135165..dc69499 100644 ---- a/drivers/media/pci/tw68/tw68-core.c -+++ b/drivers/media/pci/tw68/tw68-core.c -@@ -60,7 +60,7 @@ static unsigned int card[] = {[0 ... (TW68_MAXBOARDS - 1)] = UNSET }; - module_param_array(card, int, NULL, 0444); - MODULE_PARM_DESC(card, "card type"); - --static atomic_t tw68_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t tw68_instance = ATOMIC_INIT(0); - - /* ------------------------------------------------------------------ */ - -diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c -index 17b189a..b78aa6b 100644 ---- a/drivers/media/platform/omap/omap_vout.c -+++ b/drivers/media/platform/omap/omap_vout.c -@@ -63,7 +63,6 @@ enum omap_vout_channels { - OMAP_VIDEO2, - }; - --static struct videobuf_queue_ops video_vbq_ops; - /* Variables configurable through module params*/ - static u32 video1_numbuffers = 3; - static u32 video2_numbuffers = 3; -@@ -1012,6 +1011,12 @@ static int omap_vout_open(struct file *file) - { - struct videobuf_queue *q; - struct omap_vout_device *vout = NULL; -+ static struct videobuf_queue_ops video_vbq_ops = { -+ .buf_setup = omap_vout_buffer_setup, -+ .buf_prepare = omap_vout_buffer_prepare, -+ .buf_release = omap_vout_buffer_release, -+ .buf_queue = omap_vout_buffer_queue, -+ }; - - vout = video_drvdata(file); - v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__); -@@ -1029,10 +1034,6 @@ static int omap_vout_open(struct file *file) - vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - - q = &vout->vbq; -- video_vbq_ops.buf_setup = omap_vout_buffer_setup; -- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare; -- video_vbq_ops.buf_release = omap_vout_buffer_release; -- video_vbq_ops.buf_queue = omap_vout_buffer_queue; - spin_lock_init(&vout->vbq_lock); - - videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev, -diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h -index fb2acc5..a2fcbdc4 100644 ---- a/drivers/media/platform/s5p-tv/mixer.h -+++ b/drivers/media/platform/s5p-tv/mixer.h -@@ -156,7 +156,7 @@ struct mxr_layer { - /** layer index (unique identifier) */ - int idx; - /** callbacks for layer methods */ -- struct mxr_layer_ops ops; -+ struct mxr_layer_ops *ops; - /** format array */ - const struct mxr_format **fmt_array; - /** size of format array */ -diff --git a/drivers/media/platform/s5p-tv/mixer_grp_layer.c b/drivers/media/platform/s5p-tv/mixer_grp_layer.c -index 74344c7..a39e70e 100644 ---- a/drivers/media/platform/s5p-tv/mixer_grp_layer.c -+++ b/drivers/media/platform/s5p-tv/mixer_grp_layer.c -@@ -235,7 +235,7 @@ struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx) - { - struct mxr_layer *layer; - int ret; -- struct mxr_layer_ops ops = { -+ static struct mxr_layer_ops ops = { - .release = mxr_graph_layer_release, - .buffer_set = mxr_graph_buffer_set, - .stream_set = mxr_graph_stream_set, -diff --git a/drivers/media/platform/s5p-tv/mixer_reg.c b/drivers/media/platform/s5p-tv/mixer_reg.c -index b713403..53cb5ad 100644 ---- a/drivers/media/platform/s5p-tv/mixer_reg.c -+++ b/drivers/media/platform/s5p-tv/mixer_reg.c -@@ -276,7 +276,7 @@ static void mxr_irq_layer_handle(struct mxr_layer *layer) - layer->update_buf = next; - } - -- layer->ops.buffer_set(layer, layer->update_buf); -+ layer->ops->buffer_set(layer, layer->update_buf); - - if (done && done != layer->shadow_buf) - vb2_buffer_done(&done->vb, VB2_BUF_STATE_DONE); -diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c -index 751f3b6..d829203 100644 ---- a/drivers/media/platform/s5p-tv/mixer_video.c -+++ b/drivers/media/platform/s5p-tv/mixer_video.c -@@ -210,7 +210,7 @@ static void mxr_layer_default_geo(struct mxr_layer *layer) - layer->geo.src.height = layer->geo.src.full_height; - - mxr_geometry_dump(mdev, &layer->geo); -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0); - mxr_geometry_dump(mdev, &layer->geo); - } - -@@ -228,7 +228,7 @@ static void mxr_layer_update_output(struct mxr_layer *layer) - layer->geo.dst.full_width = mbus_fmt.width; - layer->geo.dst.full_height = mbus_fmt.height; - layer->geo.dst.field = mbus_fmt.field; -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0); - - mxr_geometry_dump(mdev, &layer->geo); - } -@@ -334,7 +334,7 @@ static int mxr_s_fmt(struct file *file, void *priv, - /* set source size to highest accepted value */ - geo->src.full_width = max(geo->dst.full_width, pix->width); - geo->src.full_height = max(geo->dst.full_height, pix->height); -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); - mxr_geometry_dump(mdev, &layer->geo); - /* set cropping to total visible screen */ - geo->src.width = pix->width; -@@ -342,12 +342,12 @@ static int mxr_s_fmt(struct file *file, void *priv, - geo->src.x_offset = 0; - geo->src.y_offset = 0; - /* assure consistency of geometry */ -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET); - mxr_geometry_dump(mdev, &layer->geo); - /* set full size to lowest possible value */ - geo->src.full_width = 0; - geo->src.full_height = 0; -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); - mxr_geometry_dump(mdev, &layer->geo); - - /* returning results */ -@@ -474,7 +474,7 @@ static int mxr_s_selection(struct file *file, void *fh, - target->width = s->r.width; - target->height = s->r.height; - -- layer->ops.fix_geometry(layer, stage, s->flags); -+ layer->ops->fix_geometry(layer, stage, s->flags); - - /* retrieve update selection rectangle */ - res.left = target->x_offset; -@@ -938,13 +938,13 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) - mxr_output_get(mdev); - - mxr_layer_update_output(layer); -- layer->ops.format_set(layer); -+ layer->ops->format_set(layer); - /* enabling layer in hardware */ - spin_lock_irqsave(&layer->enq_slock, flags); - layer->state = MXR_LAYER_STREAMING; - spin_unlock_irqrestore(&layer->enq_slock, flags); - -- layer->ops.stream_set(layer, MXR_ENABLE); -+ layer->ops->stream_set(layer, MXR_ENABLE); - mxr_streamer_get(mdev); - - return 0; -@@ -1014,7 +1014,7 @@ static void stop_streaming(struct vb2_queue *vq) - spin_unlock_irqrestore(&layer->enq_slock, flags); - - /* disabling layer in hardware */ -- layer->ops.stream_set(layer, MXR_DISABLE); -+ layer->ops->stream_set(layer, MXR_DISABLE); - /* remove one streamer */ - mxr_streamer_put(mdev); - /* allow changes in output configuration */ -@@ -1052,8 +1052,8 @@ void mxr_base_layer_unregister(struct mxr_layer *layer) - - void mxr_layer_release(struct mxr_layer *layer) - { -- if (layer->ops.release) -- layer->ops.release(layer); -+ if (layer->ops->release) -+ layer->ops->release(layer); - } - - void mxr_base_layer_release(struct mxr_layer *layer) -@@ -1079,7 +1079,7 @@ struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev, - - layer->mdev = mdev; - layer->idx = idx; -- layer->ops = *ops; -+ layer->ops = ops; - - spin_lock_init(&layer->enq_slock); - INIT_LIST_HEAD(&layer->enq_list); -diff --git a/drivers/media/platform/s5p-tv/mixer_vp_layer.c b/drivers/media/platform/s5p-tv/mixer_vp_layer.c -index c9388c4..ce71ece 100644 ---- a/drivers/media/platform/s5p-tv/mixer_vp_layer.c -+++ b/drivers/media/platform/s5p-tv/mixer_vp_layer.c -@@ -206,7 +206,7 @@ struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx) - { - struct mxr_layer *layer; - int ret; -- struct mxr_layer_ops ops = { -+ static struct mxr_layer_ops ops = { - .release = mxr_vp_layer_release, - .buffer_set = mxr_vp_buffer_set, - .stream_set = mxr_vp_stream_set, -diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c -index 82affae..42833ec 100644 ---- a/drivers/media/radio/radio-cadet.c -+++ b/drivers/media/radio/radio-cadet.c -@@ -333,6 +333,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - unsigned char readbuf[RDS_BUFFER]; - int i = 0; - -+ if (count > RDS_BUFFER) -+ return -EFAULT; - mutex_lock(&dev->lock); - if (dev->rdsstat == 0) - cadet_start_rds(dev); -@@ -349,8 +351,9 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - readbuf[i++] = dev->rdsbuf[dev->rdsout++]; - mutex_unlock(&dev->lock); - -- if (i && copy_to_user(data, readbuf, i)) -- return -EFAULT; -+ if (i > sizeof(readbuf) || (i && copy_to_user(data, readbuf, i))) -+ i = -EFAULT; -+ - return i; - } - -diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c -index 5236035..c622c74 100644 ---- a/drivers/media/radio/radio-maxiradio.c -+++ b/drivers/media/radio/radio-maxiradio.c -@@ -61,7 +61,7 @@ MODULE_PARM_DESC(radio_nr, "Radio device number"); - /* TEA5757 pin mappings */ - static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16; - --static atomic_t maxiradio_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t maxiradio_instance = ATOMIC_INIT(0); - - #define PCI_VENDOR_ID_GUILLEMOT 0x5046 - #define PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO 0x1001 -diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c -index 050b3bb..79f62b9 100644 ---- a/drivers/media/radio/radio-shark.c -+++ b/drivers/media/radio/radio-shark.c -@@ -79,7 +79,7 @@ struct shark_device { - u32 last_val; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static void shark_write_val(struct snd_tea575x *tea, u32 val) - { -diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c -index 8654e0d..0608a64 100644 ---- a/drivers/media/radio/radio-shark2.c -+++ b/drivers/media/radio/radio-shark2.c -@@ -74,7 +74,7 @@ struct shark_device { - u8 *transfer_buffer; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static int shark_write_reg(struct radio_tea5777 *tea, u64 reg) - { -diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c -index dccf586..d5db411 100644 ---- a/drivers/media/radio/radio-si476x.c -+++ b/drivers/media/radio/radio-si476x.c -@@ -1445,7 +1445,7 @@ static int si476x_radio_probe(struct platform_device *pdev) - struct si476x_radio *radio; - struct v4l2_ctrl *ctrl; - -- static atomic_t instance = ATOMIC_INIT(0); -+ static atomic_unchecked_t instance = ATOMIC_INIT(0); - - radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL); - if (!radio) -diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c -index 704397f..4d05977 100644 ---- a/drivers/media/radio/wl128x/fmdrv_common.c -+++ b/drivers/media/radio/wl128x/fmdrv_common.c -@@ -71,7 +71,7 @@ module_param(default_rds_buf, uint, 0444); - MODULE_PARM_DESC(rds_buf, "RDS buffer entries"); - - /* Radio Nr */ --static u32 radio_nr = -1; -+static int radio_nr = -1; - module_param(radio_nr, int, 0444); - MODULE_PARM_DESC(radio_nr, "Radio Nr"); - -diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c -index 9fd1527..8927230 100644 ---- a/drivers/media/usb/dvb-usb/cinergyT2-core.c -+++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c -@@ -50,29 +50,73 @@ static struct dvb_usb_device_properties cinergyt2_properties; - - static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) - { -- char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; -- char result[64]; -- return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result, -- sizeof(result), 0); -+ char *buf; -+ char *result; -+ int retval; -+ -+ buf = kmalloc(2, GFP_KERNEL); -+ if (buf == NULL) -+ return -ENOMEM; -+ result = kmalloc(64, GFP_KERNEL); -+ if (result == NULL) { -+ kfree(buf); -+ return -ENOMEM; -+ } -+ -+ buf[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; -+ buf[1] = enable ? 1 : 0; -+ -+ retval = dvb_usb_generic_rw(adap->dev, buf, 2, result, 64, 0); -+ -+ kfree(buf); -+ kfree(result); -+ return retval; - } - - static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) - { -- char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 }; -- char state[3]; -- return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0); -+ char *buf; -+ char *state; -+ int retval; -+ -+ buf = kmalloc(2, GFP_KERNEL); -+ if (buf == NULL) -+ return -ENOMEM; -+ state = kmalloc(3, GFP_KERNEL); -+ if (state == NULL) { -+ kfree(buf); -+ return -ENOMEM; -+ } -+ -+ buf[0] = CINERGYT2_EP1_SLEEP_MODE; -+ buf[1] = enable ? 1 : 0; -+ -+ retval = dvb_usb_generic_rw(d, buf, 2, state, 3, 0); -+ -+ kfree(buf); -+ kfree(state); -+ return retval; - } - - static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) - { -- char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION }; -- char state[3]; -+ char *query; -+ char *state; - int ret; -+ query = kmalloc(1, GFP_KERNEL); -+ if (query == NULL) -+ return -ENOMEM; -+ state = kmalloc(3, GFP_KERNEL); -+ if (state == NULL) { -+ kfree(query); -+ return -ENOMEM; -+ } -+ -+ query[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; - - adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); - -- ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state, -- sizeof(state), 0); -+ ret = dvb_usb_generic_rw(adap->dev, query, 1, state, 3, 0); - if (ret < 0) { - deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " - "state info\n"); -@@ -80,7 +124,8 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) - - /* Copy this pointer as we are gonna need it in the release phase */ - cinergyt2_usb_device = adap->dev; -- -+ kfree(query); -+ kfree(state); - return 0; - } - -@@ -141,12 +186,23 @@ static int repeatable_keys[] = { - static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - { - struct cinergyt2_state *st = d->priv; -- u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; -+ u8 *key, *cmd; - int i; - -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -EINVAL; -+ key = kzalloc(5, GFP_KERNEL); -+ if (key == NULL) { -+ kfree(cmd); -+ return -EINVAL; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_RC_EVENTS; -+ - *state = REMOTE_NO_KEY_PRESSED; - -- dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); -+ dvb_usb_generic_rw(d, cmd, 1, key, 5, 0); - if (key[4] == 0xff) { - /* key repeat */ - st->rc_counter++; -@@ -157,12 +213,12 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - *event = d->last_event; - deb_rc("repeat key, event %x\n", - *event); -- return 0; -+ goto out; - } - } - deb_rc("repeated key (non repeatable)\n"); - } -- return 0; -+ goto out; - } - - /* hack to pass checksum on the custom field */ -@@ -174,6 +230,9 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - - deb_rc("key: %*ph\n", 5, key); - } -+out: -+ kfree(cmd); -+ kfree(key); - return 0; - } - -diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c -index c890fe4..f9b2ae6 100644 ---- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c -+++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c -@@ -145,103 +145,176 @@ static int cinergyt2_fe_read_status(struct dvb_frontend *fe, - fe_status_t *status) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg result; -- u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *result; -+ u8 *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result, -- sizeof(result), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ result = kmalloc(sizeof(*result), GFP_KERNEL); -+ if (result == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)result, -+ sizeof(*result), 0); - if (ret < 0) -- return ret; -+ goto out; - - *status = 0; - -- if (0xffff - le16_to_cpu(result.gain) > 30) -+ if (0xffff - le16_to_cpu(result->gain) > 30) - *status |= FE_HAS_SIGNAL; -- if (result.lock_bits & (1 << 6)) -+ if (result->lock_bits & (1 << 6)) - *status |= FE_HAS_LOCK; -- if (result.lock_bits & (1 << 5)) -+ if (result->lock_bits & (1 << 5)) - *status |= FE_HAS_SYNC; -- if (result.lock_bits & (1 << 4)) -+ if (result->lock_bits & (1 << 4)) - *status |= FE_HAS_CARRIER; -- if (result.lock_bits & (1 << 1)) -+ if (result->lock_bits & (1 << 1)) - *status |= FE_HAS_VITERBI; - - if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != - (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) - *status &= ~FE_HAS_LOCK; - -- return 0; -+out: -+ kfree(cmd); -+ kfree(result); -+ return ret; - } - - static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) -- return ret; -+ goto out; - -- *ber = le32_to_cpu(status.viterbi_error_rate); -+ *ber = le32_to_cpu(status->viterbi_error_rate); -+out: -+ kfree(cmd); -+ kfree(status); - return 0; - } - - static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ u8 *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n", - ret); -- return ret; -+ goto out; - } -- *unc = le32_to_cpu(status.uncorrected_block_count); -- return 0; -+ *unc = le32_to_cpu(status->uncorrected_block_count); -+ -+out: -+ kfree(cmd); -+ kfree(status); -+ return ret; - } - - static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe, - u16 *strength) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_signal_strength() Failed!" - " (Error=%d)\n", ret); -- return ret; -+ goto out; - } -- *strength = (0xffff - le16_to_cpu(status.gain)); -+ *strength = (0xffff - le16_to_cpu(status->gain)); -+ -+out: -+ kfree(cmd); -+ kfree(status); - return 0; - } - - static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret); -- return ret; -+ goto out; - } -- *snr = (status.snr << 8) | status.snr; -- return 0; -+ *snr = (status->snr << 8) | status->snr; -+ -+out: -+ kfree(cmd); -+ kfree(status); -+ return ret; - } - - static int cinergyt2_fe_init(struct dvb_frontend *fe) -@@ -266,35 +339,46 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe) - { - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_set_parameters_msg param; -- char result[2]; -+ struct dvbt_set_parameters_msg *param; -+ char *result; - int err; - -- param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; -- param.tps = cpu_to_le16(compute_tps(fep)); -- param.freq = cpu_to_le32(fep->frequency / 1000); -- param.flags = 0; -+ result = kmalloc(2, GFP_KERNEL); -+ if (result == NULL) -+ return -ENOMEM; -+ param = kmalloc(sizeof(*param), GFP_KERNEL); -+ if (param == NULL) { -+ kfree(result); -+ return -ENOMEM; -+ } -+ -+ param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; -+ param->tps = cpu_to_le16(compute_tps(fep)); -+ param->freq = cpu_to_le32(fep->frequency / 1000); -+ param->flags = 0; - - switch (fep->bandwidth_hz) { - default: - case 8000000: -- param.bandwidth = 8; -+ param->bandwidth = 8; - break; - case 7000000: -- param.bandwidth = 7; -+ param->bandwidth = 7; - break; - case 6000000: -- param.bandwidth = 6; -+ param->bandwidth = 6; - break; - } - - err = dvb_usb_generic_rw(state->d, -- (char *)&param, sizeof(param), -- result, sizeof(result), 0); -+ (char *)param, sizeof(*param), -+ result, 2, 0); - if (err < 0) - err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err); - -- return (err < 0) ? err : 0; -+ kfree(result); -+ kfree(param); -+ return err; - } - - static void cinergyt2_fe_release(struct dvb_frontend *fe) -diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -index 733a7ff..f8b52e3 100644 ---- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -+++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -@@ -35,42 +35,57 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le - - int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type) - { -- struct hexline hx; -- u8 reset; -+ struct hexline *hx; -+ u8 *reset; - int ret,pos=0; - -+ reset = kmalloc(1, GFP_KERNEL); -+ if (reset == NULL) -+ return -ENOMEM; -+ -+ hx = kmalloc(sizeof(struct hexline), GFP_KERNEL); -+ if (hx == NULL) { -+ kfree(reset); -+ return -ENOMEM; -+ } -+ - /* stop the CPU */ -- reset = 1; -- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1) -+ reset[0] = 1; -+ if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1)) != 1) - err("could not stop the USB controller CPU."); - -- while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) { -- deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk); -- ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len); -+ while ((ret = dvb_usb_get_hexline(fw,hx,&pos)) > 0) { -+ deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx->addr,hx->len,hx->chk); -+ ret = usb_cypress_writemem(udev,hx->addr,hx->data,hx->len); - -- if (ret != hx.len) { -+ if (ret != hx->len) { - err("error while transferring firmware " - "(transferred size: %d, block size: %d)", -- ret,hx.len); -+ ret,hx->len); - ret = -EINVAL; - break; - } - } - if (ret < 0) { - err("firmware download failed at %d with %d",pos,ret); -+ kfree(reset); -+ kfree(hx); - return ret; - } - - if (ret == 0) { - /* restart the CPU */ -- reset = 0; -- if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) { -+ reset[0] = 0; -+ if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1) != 1) { - err("could not restart the USB controller CPU."); - ret = -EINVAL; - } - } else - ret = -EIO; - -+ kfree(reset); -+ kfree(hx); -+ - return ret; - } - EXPORT_SYMBOL(usb_cypress_load_firmware); -diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c -index 5801ae7..83f71fa 100644 ---- a/drivers/media/usb/dvb-usb/technisat-usb2.c -+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c -@@ -87,8 +87,11 @@ struct technisat_usb2_state { - static int technisat_usb2_i2c_access(struct usb_device *udev, - u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) - { -- u8 b[64]; -- int ret, actual_length; -+ u8 *b = kmalloc(64, GFP_KERNEL); -+ int ret, actual_length, error = 0; -+ -+ if (b == NULL) -+ return -ENOMEM; - - deb_i2c("i2c-access: %02x, tx: ", device_addr); - debug_dump(tx, txlen, deb_i2c); -@@ -121,7 +124,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - - if (ret < 0) { - err("i2c-error: out failed %02x = %d", device_addr, ret); -- return -ENODEV; -+ error = -ENODEV; -+ goto out; - } - - ret = usb_bulk_msg(udev, -@@ -129,7 +133,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - b, 64, &actual_length, 1000); - if (ret < 0) { - err("i2c-error: in failed %02x = %d", device_addr, ret); -- return -ENODEV; -+ error = -ENODEV; -+ goto out; - } - - if (b[0] != I2C_STATUS_OK) { -@@ -137,8 +142,10 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - /* handle tuner-i2c-nak */ - if (!(b[0] == I2C_STATUS_NAK && - device_addr == 0x60 -- /* && device_is_technisat_usb2 */)) -- return -ENODEV; -+ /* && device_is_technisat_usb2 */)) { -+ error = -ENODEV; -+ goto out; -+ } - } - - deb_i2c("status: %d, ", b[0]); -@@ -152,7 +159,9 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - - deb_i2c("\n"); - -- return 0; -+out: -+ kfree(b); -+ return error; - } - - static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, -@@ -224,14 +233,16 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni - { - int ret; - -- u8 led[8] = { -- red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, -- 0 -- }; -+ u8 *led = kzalloc(8, GFP_KERNEL); -+ -+ if (led == NULL) -+ return -ENOMEM; - - if (disable_led_control && state != TECH_LED_OFF) - return 0; - -+ led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; -+ - switch (state) { - case TECH_LED_ON: - led[1] = 0x82; -@@ -263,16 +274,22 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni - red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_OUT, - 0, 0, -- led, sizeof(led), 500); -+ led, 8, 500); - - mutex_unlock(&d->i2c_mutex); -+ -+ kfree(led); -+ - return ret; - } - - static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) - { - int ret; -- u8 b = 0; -+ u8 *b = kzalloc(1, GFP_KERNEL); -+ -+ if (b == NULL) -+ return -ENOMEM; - - if (mutex_lock_interruptible(&d->i2c_mutex) < 0) - return -EAGAIN; -@@ -281,10 +298,12 @@ static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 gre - SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_OUT, - (red << 8) | green, 0, -- &b, 1, 500); -+ b, 1, 500); - - mutex_unlock(&d->i2c_mutex); - -+ kfree(b); -+ - return ret; - } - -@@ -328,7 +347,7 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - struct dvb_usb_device_description **desc, int *cold) - { - int ret; -- u8 version[3]; -+ u8 *version = kmalloc(3, GFP_KERNEL); - - /* first select the interface */ - if (usb_set_interface(udev, 0, 1) != 0) -@@ -338,11 +357,14 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - - *cold = 0; /* by default do not download a firmware - just in case something is wrong */ - -+ if (version == NULL) -+ return 0; -+ - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - GET_VERSION_INFO_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_IN, - 0, 0, -- version, sizeof(version), 500); -+ version, 3, 500); - - if (ret < 0) - *cold = 1; -@@ -351,6 +373,8 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - *cold = 0; - } - -+ kfree(version); -+ - return 0; - } - -@@ -594,10 +618,15 @@ static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) - - static int technisat_usb2_get_ir(struct dvb_usb_device *d) - { -- u8 buf[62], *b; -+ u8 *buf, *b; - int ret; - struct ir_raw_event ev; - -+ buf = kmalloc(62, GFP_KERNEL); -+ -+ if (buf == NULL) -+ return -ENOMEM; -+ - buf[0] = GET_IR_DATA_VENDOR_REQUEST; - buf[1] = 0x08; - buf[2] = 0x8f; -@@ -620,16 +649,20 @@ static int technisat_usb2_get_ir(struct dvb_usb_device *d) - GET_IR_DATA_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_IN, - 0x8080, 0, -- buf, sizeof(buf), 500); -+ buf, 62, 500); - - unlock: - mutex_unlock(&d->i2c_mutex); - -- if (ret < 0) -+ if (ret < 0) { -+ kfree(buf); - return ret; -+ } - -- if (ret == 1) -+ if (ret == 1) { -+ kfree(buf); - return 0; /* no key pressed */ -+ } - - /* decoding */ - b = buf+1; -@@ -656,6 +689,8 @@ unlock: - - ir_raw_event_handle(d->rc_dev); - -+ kfree(buf); -+ - return 1; - } - -diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -index af63543..0436f20 100644 ---- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -@@ -429,7 +429,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - * by passing a very big num_planes value */ - uplane = compat_alloc_user_space(num_planes * - sizeof(struct v4l2_plane)); -- kp->m.planes = (__force struct v4l2_plane *)uplane; -+ kp->m.planes = (__force_kernel struct v4l2_plane *)uplane; - - while (--num_planes >= 0) { - ret = get_v4l2_plane32(uplane, uplane32, kp->memory); -@@ -500,7 +500,7 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - if (num_planes == 0) - return 0; - -- uplane = (__force struct v4l2_plane __user *)kp->m.planes; -+ uplane = (struct v4l2_plane __force_user *)kp->m.planes; - if (get_user(p, &up->m.planes)) - return -EFAULT; - uplane32 = compat_ptr(p); -@@ -564,7 +564,7 @@ static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_frame - get_user(kp->flags, &up->flags) || - copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt))) - return -EFAULT; -- kp->base = (__force void *)compat_ptr(tmp); -+ kp->base = (__force_kernel void *)compat_ptr(tmp); - return 0; - } - -@@ -669,7 +669,7 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - n * sizeof(struct v4l2_ext_control32))) - return -EFAULT; - kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control)); -- kp->controls = (__force struct v4l2_ext_control *)kcontrols; -+ kp->controls = (__force_kernel struct v4l2_ext_control *)kcontrols; - while (--n >= 0) { - u32 id; - -@@ -696,7 +696,7 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - { - struct v4l2_ext_control32 __user *ucontrols; - struct v4l2_ext_control __user *kcontrols = -- (__force struct v4l2_ext_control __user *)kp->controls; -+ (struct v4l2_ext_control __force_user *)kp->controls; - int n = kp->count; - compat_caddr_t p; - -@@ -780,7 +780,7 @@ static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up) - get_user(tmp, &up->edid) || - copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved))) - return -EFAULT; -- kp->edid = (__force u8 *)compat_ptr(tmp); -+ kp->edid = (__force_kernel u8 *)compat_ptr(tmp); - return 0; - } - -diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c -index 5b0a30b..1974b38 100644 ---- a/drivers/media/v4l2-core/v4l2-device.c -+++ b/drivers/media/v4l2-core/v4l2-device.c -@@ -74,9 +74,9 @@ int v4l2_device_put(struct v4l2_device *v4l2_dev) - EXPORT_SYMBOL_GPL(v4l2_device_put); - - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance) -+ atomic_unchecked_t *instance) - { -- int num = atomic_inc_return(instance) - 1; -+ int num = atomic_inc_return_unchecked(instance) - 1; - int len = strlen(basename); - - if (basename[len - 1] >= '0' && basename[len - 1] <= '9') -diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c -index aa407cb..ee847d4 100644 ---- a/drivers/media/v4l2-core/v4l2-ioctl.c -+++ b/drivers/media/v4l2-core/v4l2-ioctl.c -@@ -2151,7 +2151,8 @@ struct v4l2_ioctl_info { - struct file *file, void *fh, void *p); - } u; - void (*debug)(const void *arg, bool write_only); --}; -+} __do_const; -+typedef struct v4l2_ioctl_info __no_const v4l2_ioctl_info_no_const; - - /* This control needs a priority check */ - #define INFO_FL_PRIO (1 << 0) -@@ -2335,7 +2336,7 @@ static long __video_do_ioctl(struct file *file, - struct video_device *vfd = video_devdata(file); - const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; - bool write_only = false; -- struct v4l2_ioctl_info default_info; -+ v4l2_ioctl_info_no_const default_info; - const struct v4l2_ioctl_info *info; - void *fh = file->private_data; - struct v4l2_fh *vfh = NULL; -@@ -2426,7 +2427,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)buf->m.planes; -+ *user_ptr = (void __force_user *)buf->m.planes; - *kernel_ptr = (void **)&buf->m.planes; - *array_size = sizeof(struct v4l2_plane) * buf->length; - ret = 1; -@@ -2443,7 +2444,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)edid->edid; -+ *user_ptr = (void __force_user *)edid->edid; - *kernel_ptr = (void **)&edid->edid; - *array_size = edid->blocks * 128; - ret = 1; -@@ -2461,7 +2462,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)ctrls->controls; -+ *user_ptr = (void __force_user *)ctrls->controls; - *kernel_ptr = (void **)&ctrls->controls; - *array_size = sizeof(struct v4l2_ext_control) - * ctrls->count; -@@ -2562,7 +2563,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, - } - - if (has_array_args) { -- *kernel_ptr = (void __force *)user_ptr; -+ *kernel_ptr = (void __force_kernel *)user_ptr; - if (copy_to_user(user_ptr, mbuf, array_size)) - err = -EFAULT; - goto out_array_args; -diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c -index c94ea0d..b8a9f88 100644 ---- a/drivers/memory/omap-gpmc.c -+++ b/drivers/memory/omap-gpmc.c -@@ -232,7 +232,6 @@ struct omap3_gpmc_regs { - }; - - static struct gpmc_client_irq gpmc_client_irq[GPMC_NR_IRQ]; --static struct irq_chip gpmc_irq_chip; - static int gpmc_irq_start; - - static struct resource gpmc_mem_root; -@@ -1146,6 +1145,17 @@ static void gpmc_irq_noop(struct irq_data *data) { } - - static unsigned int gpmc_irq_noop_ret(struct irq_data *data) { return 0; } - -+static struct irq_chip gpmc_irq_chip = { -+ .name = "gpmc", -+ .irq_startup = gpmc_irq_noop_ret, -+ .irq_enable = gpmc_irq_enable, -+ .irq_disable = gpmc_irq_disable, -+ .irq_shutdown = gpmc_irq_noop, -+ .irq_ack = gpmc_irq_noop, -+ .irq_mask = gpmc_irq_noop, -+ .irq_unmask = gpmc_irq_noop, -+}; -+ - static int gpmc_setup_irq(void) - { - int i; -@@ -1160,15 +1170,6 @@ static int gpmc_setup_irq(void) - return gpmc_irq_start; - } - -- gpmc_irq_chip.name = "gpmc"; -- gpmc_irq_chip.irq_startup = gpmc_irq_noop_ret; -- gpmc_irq_chip.irq_enable = gpmc_irq_enable; -- gpmc_irq_chip.irq_disable = gpmc_irq_disable; -- gpmc_irq_chip.irq_shutdown = gpmc_irq_noop; -- gpmc_irq_chip.irq_ack = gpmc_irq_noop; -- gpmc_irq_chip.irq_mask = gpmc_irq_noop; -- gpmc_irq_chip.irq_unmask = gpmc_irq_noop; -- - gpmc_client_irq[0].bitmask = GPMC_IRQ_FIFOEVENTENABLE; - gpmc_client_irq[1].bitmask = GPMC_IRQ_COUNT_EVENT; - -diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c -index 187f836..679544b 100644 ---- a/drivers/message/fusion/mptbase.c -+++ b/drivers/message/fusion/mptbase.c -@@ -6746,8 +6746,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); - seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL); -+#else - seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", - (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); -+#endif -+ - /* - * Rounding UP to nearest 4-kB boundary here... - */ -@@ -6760,7 +6765,11 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - ioc->facts.GlobalCredits); - - seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, NULL); -+#else - (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); -+#endif - sz = (ioc->reply_sz * ioc->reply_depth) + 128; - seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", - ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); -diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c -index 5bdaae1..eced16f 100644 ---- a/drivers/message/fusion/mptsas.c -+++ b/drivers/message/fusion/mptsas.c -@@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached) - return 0; - } - -+static inline void -+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) -+{ -+ if (phy_info->port_details) { -+ phy_info->port_details->rphy = rphy; -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -+ ioc->name, rphy)); -+ } -+ -+ if (rphy) { -+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -+ ioc->name, rphy, rphy->dev.release)); -+ } -+} -+ - /* no mutex */ - static void - mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) -@@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info) - return NULL; - } - --static inline void --mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) --{ -- if (phy_info->port_details) { -- phy_info->port_details->rphy = rphy; -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -- ioc->name, rphy)); -- } -- -- if (rphy) { -- dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -- &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -- ioc->name, rphy, rphy->dev.release)); -- } --} -- - static inline struct sas_port * - mptsas_get_port(struct mptsas_phyinfo *phy_info) - { -diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c -index cdd6f3d..1907a98 100644 ---- a/drivers/mfd/ab8500-debugfs.c -+++ b/drivers/mfd/ab8500-debugfs.c -@@ -100,7 +100,7 @@ static int irq_last; - static u32 *irq_count; - static int num_irqs; - --static struct device_attribute **dev_attr; -+static device_attribute_no_const **dev_attr; - static char **event_name; - - static u8 avg_sample = SAMPLE_16; -diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c -index 8057849..0550fdf 100644 ---- a/drivers/mfd/kempld-core.c -+++ b/drivers/mfd/kempld-core.c -@@ -499,7 +499,7 @@ static struct platform_driver kempld_driver = { - .remove = kempld_remove, - }; - --static struct dmi_system_id kempld_dmi_table[] __initdata = { -+static const struct dmi_system_id kempld_dmi_table[] __initconst = { - { - .ident = "BHL6", - .matches = { -diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c -index c880c89..45a7c68 100644 ---- a/drivers/mfd/max8925-i2c.c -+++ b/drivers/mfd/max8925-i2c.c -@@ -152,7 +152,7 @@ static int max8925_probe(struct i2c_client *client, - const struct i2c_device_id *id) - { - struct max8925_platform_data *pdata = dev_get_platdata(&client->dev); -- static struct max8925_chip *chip; -+ struct max8925_chip *chip; - struct device_node *node = client->dev.of_node; - - if (node && !pdata) { -diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c -index 7612d89..70549c2 100644 ---- a/drivers/mfd/tps65910.c -+++ b/drivers/mfd/tps65910.c -@@ -230,7 +230,7 @@ static int tps65910_irq_init(struct tps65910 *tps65910, int irq, - struct tps65910_platform_data *pdata) - { - int ret = 0; -- static struct regmap_irq_chip *tps6591x_irqs_chip; -+ struct regmap_irq_chip *tps6591x_irqs_chip; - - if (!irq) { - dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n"); -diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c -index 1b772ef..01e77d33 100644 ---- a/drivers/mfd/twl4030-irq.c -+++ b/drivers/mfd/twl4030-irq.c -@@ -34,6 +34,7 @@ - #include <linux/of.h> - #include <linux/irqdomain.h> - #include <linux/i2c/twl.h> -+#include <asm/pgtable.h> - - #include "twl-core.h" - -@@ -729,10 +730,12 @@ int twl4030_init_irq(struct device *dev, int irq_num) - * Install an irq handler for each of the SIH modules; - * clone dummy irq_chip since PIH can't *do* anything - */ -- twl4030_irq_chip = dummy_irq_chip; -- twl4030_irq_chip.name = "twl4030"; -+ pax_open_kernel(); -+ memcpy((void *)&twl4030_irq_chip, &dummy_irq_chip, sizeof twl4030_irq_chip); -+ *(const char **)&twl4030_irq_chip.name = "twl4030"; - -- twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack; -+ *(void **)&twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack; -+ pax_close_kernel(); - - for (i = irq_base; i < irq_end; i++) { - irq_set_chip_and_handler(i, &twl4030_irq_chip, -diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c -index 464419b..64bae8d 100644 ---- a/drivers/misc/c2port/core.c -+++ b/drivers/misc/c2port/core.c -@@ -922,7 +922,9 @@ struct c2port_device *c2port_device_register(char *name, - goto error_idr_alloc; - c2dev->id = ret; - -- bin_attr_flash_data.size = ops->blocks_num * ops->block_size; -+ pax_open_kernel(); -+ *(size_t *)&bin_attr_flash_data.size = ops->blocks_num * ops->block_size; -+ pax_close_kernel(); - - c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, - "c2port%d", c2dev->id); -diff --git a/drivers/misc/eeprom/sunxi_sid.c b/drivers/misc/eeprom/sunxi_sid.c -index 8385177..2f54635 100644 ---- a/drivers/misc/eeprom/sunxi_sid.c -+++ b/drivers/misc/eeprom/sunxi_sid.c -@@ -126,7 +126,9 @@ static int sunxi_sid_probe(struct platform_device *pdev) - - platform_set_drvdata(pdev, sid_data); - -- sid_bin_attr.size = sid_data->keysize; -+ pax_open_kernel(); -+ *(size_t *)&sid_bin_attr.size = sid_data->keysize; -+ pax_close_kernel(); - if (device_create_bin_file(&pdev->dev, &sid_bin_attr)) - return -ENODEV; - -diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c -index 36f5d52..32311c3 100644 ---- a/drivers/misc/kgdbts.c -+++ b/drivers/misc/kgdbts.c -@@ -834,7 +834,7 @@ static void run_plant_and_detach_test(int is_early) - char before[BREAK_INSTR_SIZE]; - char after[BREAK_INSTR_SIZE]; - -- probe_kernel_read(before, (char *)kgdbts_break_test, -+ probe_kernel_read(before, ktla_ktva((char *)kgdbts_break_test), - BREAK_INSTR_SIZE); - init_simple_test(); - ts.tst = plant_and_detach_test; -@@ -842,7 +842,7 @@ static void run_plant_and_detach_test(int is_early) - /* Activate test with initial breakpoint */ - if (!is_early) - kgdb_breakpoint(); -- probe_kernel_read(after, (char *)kgdbts_break_test, -+ probe_kernel_read(after, ktla_ktva((char *)kgdbts_break_test), - BREAK_INSTR_SIZE); - if (memcmp(before, after, BREAK_INSTR_SIZE)) { - printk(KERN_CRIT "kgdbts: ERROR kgdb corrupted memory\n"); -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c -index 4739689..8a52950 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.c -+++ b/drivers/misc/lis3lv02d/lis3lv02d.c -@@ -497,7 +497,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data) - * the lid is closed. This leads to interrupts as soon as a little move - * is done. - */ -- atomic_inc(&lis3->count); -+ atomic_inc_unchecked(&lis3->count); - - wake_up_interruptible(&lis3->misc_wait); - kill_fasync(&lis3->async_queue, SIGIO, POLL_IN); -@@ -583,7 +583,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file) - if (lis3->pm_dev) - pm_runtime_get_sync(lis3->pm_dev); - -- atomic_set(&lis3->count, 0); -+ atomic_set_unchecked(&lis3->count, 0); - return 0; - } - -@@ -615,7 +615,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf, - add_wait_queue(&lis3->misc_wait, &wait); - while (true) { - set_current_state(TASK_INTERRUPTIBLE); -- data = atomic_xchg(&lis3->count, 0); -+ data = atomic_xchg_unchecked(&lis3->count, 0); - if (data) - break; - -@@ -656,7 +656,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait) - struct lis3lv02d, miscdev); - - poll_wait(file, &lis3->misc_wait, wait); -- if (atomic_read(&lis3->count)) -+ if (atomic_read_unchecked(&lis3->count)) - return POLLIN | POLLRDNORM; - return 0; - } -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h -index c439c82..1f20f57 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.h -+++ b/drivers/misc/lis3lv02d/lis3lv02d.h -@@ -297,7 +297,7 @@ struct lis3lv02d { - struct input_polled_dev *idev; /* input device */ - struct platform_device *pdev; /* platform device */ - struct regulator_bulk_data regulators[2]; -- atomic_t count; /* interrupt count after last read */ -+ atomic_unchecked_t count; /* interrupt count after last read */ - union axis_conversion ac; /* hw -> logical axis */ - int mapped_btns[3]; - -diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c -index 2f30bad..c4c13d0 100644 ---- a/drivers/misc/sgi-gru/gruhandles.c -+++ b/drivers/misc/sgi-gru/gruhandles.c -@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks) - unsigned long nsec; - - nsec = CLKS2NSEC(clks); -- atomic_long_inc(&mcs_op_statistics[op].count); -- atomic_long_add(nsec, &mcs_op_statistics[op].total); -+ atomic_long_inc_unchecked(&mcs_op_statistics[op].count); -+ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total); - if (mcs_op_statistics[op].max < nsec) - mcs_op_statistics[op].max = nsec; - } -diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c -index 4f76359..cdfcb2e 100644 ---- a/drivers/misc/sgi-gru/gruprocfs.c -+++ b/drivers/misc/sgi-gru/gruprocfs.c -@@ -32,9 +32,9 @@ - - #define printstat(s, f) printstat_val(s, &gru_stats.f, #f) - --static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id) -+static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id) - { -- unsigned long val = atomic_long_read(v); -+ unsigned long val = atomic_long_read_unchecked(v); - - seq_printf(s, "%16lu %s\n", val, id); - } -@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p) - - seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks"); - for (op = 0; op < mcsop_last; op++) { -- count = atomic_long_read(&mcs_op_statistics[op].count); -- total = atomic_long_read(&mcs_op_statistics[op].total); -+ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count); -+ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total); - max = mcs_op_statistics[op].max; - seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count, - count ? total / count : 0, max); -diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h -index 5c3ce24..4915ccb 100644 ---- a/drivers/misc/sgi-gru/grutables.h -+++ b/drivers/misc/sgi-gru/grutables.h -@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids; - * GRU statistics. - */ - struct gru_stats_s { -- atomic_long_t vdata_alloc; -- atomic_long_t vdata_free; -- atomic_long_t gts_alloc; -- atomic_long_t gts_free; -- atomic_long_t gms_alloc; -- atomic_long_t gms_free; -- atomic_long_t gts_double_allocate; -- atomic_long_t assign_context; -- atomic_long_t assign_context_failed; -- atomic_long_t free_context; -- atomic_long_t load_user_context; -- atomic_long_t load_kernel_context; -- atomic_long_t lock_kernel_context; -- atomic_long_t unlock_kernel_context; -- atomic_long_t steal_user_context; -- atomic_long_t steal_kernel_context; -- atomic_long_t steal_context_failed; -- atomic_long_t nopfn; -- atomic_long_t asid_new; -- atomic_long_t asid_next; -- atomic_long_t asid_wrap; -- atomic_long_t asid_reuse; -- atomic_long_t intr; -- atomic_long_t intr_cbr; -- atomic_long_t intr_tfh; -- atomic_long_t intr_spurious; -- atomic_long_t intr_mm_lock_failed; -- atomic_long_t call_os; -- atomic_long_t call_os_wait_queue; -- atomic_long_t user_flush_tlb; -- atomic_long_t user_unload_context; -- atomic_long_t user_exception; -- atomic_long_t set_context_option; -- atomic_long_t check_context_retarget_intr; -- atomic_long_t check_context_unload; -- atomic_long_t tlb_dropin; -- atomic_long_t tlb_preload_page; -- atomic_long_t tlb_dropin_fail_no_asid; -- atomic_long_t tlb_dropin_fail_upm; -- atomic_long_t tlb_dropin_fail_invalid; -- atomic_long_t tlb_dropin_fail_range_active; -- atomic_long_t tlb_dropin_fail_idle; -- atomic_long_t tlb_dropin_fail_fmm; -- atomic_long_t tlb_dropin_fail_no_exception; -- atomic_long_t tfh_stale_on_fault; -- atomic_long_t mmu_invalidate_range; -- atomic_long_t mmu_invalidate_page; -- atomic_long_t flush_tlb; -- atomic_long_t flush_tlb_gru; -- atomic_long_t flush_tlb_gru_tgh; -- atomic_long_t flush_tlb_gru_zero_asid; -+ atomic_long_unchecked_t vdata_alloc; -+ atomic_long_unchecked_t vdata_free; -+ atomic_long_unchecked_t gts_alloc; -+ atomic_long_unchecked_t gts_free; -+ atomic_long_unchecked_t gms_alloc; -+ atomic_long_unchecked_t gms_free; -+ atomic_long_unchecked_t gts_double_allocate; -+ atomic_long_unchecked_t assign_context; -+ atomic_long_unchecked_t assign_context_failed; -+ atomic_long_unchecked_t free_context; -+ atomic_long_unchecked_t load_user_context; -+ atomic_long_unchecked_t load_kernel_context; -+ atomic_long_unchecked_t lock_kernel_context; -+ atomic_long_unchecked_t unlock_kernel_context; -+ atomic_long_unchecked_t steal_user_context; -+ atomic_long_unchecked_t steal_kernel_context; -+ atomic_long_unchecked_t steal_context_failed; -+ atomic_long_unchecked_t nopfn; -+ atomic_long_unchecked_t asid_new; -+ atomic_long_unchecked_t asid_next; -+ atomic_long_unchecked_t asid_wrap; -+ atomic_long_unchecked_t asid_reuse; -+ atomic_long_unchecked_t intr; -+ atomic_long_unchecked_t intr_cbr; -+ atomic_long_unchecked_t intr_tfh; -+ atomic_long_unchecked_t intr_spurious; -+ atomic_long_unchecked_t intr_mm_lock_failed; -+ atomic_long_unchecked_t call_os; -+ atomic_long_unchecked_t call_os_wait_queue; -+ atomic_long_unchecked_t user_flush_tlb; -+ atomic_long_unchecked_t user_unload_context; -+ atomic_long_unchecked_t user_exception; -+ atomic_long_unchecked_t set_context_option; -+ atomic_long_unchecked_t check_context_retarget_intr; -+ atomic_long_unchecked_t check_context_unload; -+ atomic_long_unchecked_t tlb_dropin; -+ atomic_long_unchecked_t tlb_preload_page; -+ atomic_long_unchecked_t tlb_dropin_fail_no_asid; -+ atomic_long_unchecked_t tlb_dropin_fail_upm; -+ atomic_long_unchecked_t tlb_dropin_fail_invalid; -+ atomic_long_unchecked_t tlb_dropin_fail_range_active; -+ atomic_long_unchecked_t tlb_dropin_fail_idle; -+ atomic_long_unchecked_t tlb_dropin_fail_fmm; -+ atomic_long_unchecked_t tlb_dropin_fail_no_exception; -+ atomic_long_unchecked_t tfh_stale_on_fault; -+ atomic_long_unchecked_t mmu_invalidate_range; -+ atomic_long_unchecked_t mmu_invalidate_page; -+ atomic_long_unchecked_t flush_tlb; -+ atomic_long_unchecked_t flush_tlb_gru; -+ atomic_long_unchecked_t flush_tlb_gru_tgh; -+ atomic_long_unchecked_t flush_tlb_gru_zero_asid; - -- atomic_long_t copy_gpa; -- atomic_long_t read_gpa; -+ atomic_long_unchecked_t copy_gpa; -+ atomic_long_unchecked_t read_gpa; - -- atomic_long_t mesq_receive; -- atomic_long_t mesq_receive_none; -- atomic_long_t mesq_send; -- atomic_long_t mesq_send_failed; -- atomic_long_t mesq_noop; -- atomic_long_t mesq_send_unexpected_error; -- atomic_long_t mesq_send_lb_overflow; -- atomic_long_t mesq_send_qlimit_reached; -- atomic_long_t mesq_send_amo_nacked; -- atomic_long_t mesq_send_put_nacked; -- atomic_long_t mesq_page_overflow; -- atomic_long_t mesq_qf_locked; -- atomic_long_t mesq_qf_noop_not_full; -- atomic_long_t mesq_qf_switch_head_failed; -- atomic_long_t mesq_qf_unexpected_error; -- atomic_long_t mesq_noop_unexpected_error; -- atomic_long_t mesq_noop_lb_overflow; -- atomic_long_t mesq_noop_qlimit_reached; -- atomic_long_t mesq_noop_amo_nacked; -- atomic_long_t mesq_noop_put_nacked; -- atomic_long_t mesq_noop_page_overflow; -+ atomic_long_unchecked_t mesq_receive; -+ atomic_long_unchecked_t mesq_receive_none; -+ atomic_long_unchecked_t mesq_send; -+ atomic_long_unchecked_t mesq_send_failed; -+ atomic_long_unchecked_t mesq_noop; -+ atomic_long_unchecked_t mesq_send_unexpected_error; -+ atomic_long_unchecked_t mesq_send_lb_overflow; -+ atomic_long_unchecked_t mesq_send_qlimit_reached; -+ atomic_long_unchecked_t mesq_send_amo_nacked; -+ atomic_long_unchecked_t mesq_send_put_nacked; -+ atomic_long_unchecked_t mesq_page_overflow; -+ atomic_long_unchecked_t mesq_qf_locked; -+ atomic_long_unchecked_t mesq_qf_noop_not_full; -+ atomic_long_unchecked_t mesq_qf_switch_head_failed; -+ atomic_long_unchecked_t mesq_qf_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_lb_overflow; -+ atomic_long_unchecked_t mesq_noop_qlimit_reached; -+ atomic_long_unchecked_t mesq_noop_amo_nacked; -+ atomic_long_unchecked_t mesq_noop_put_nacked; -+ atomic_long_unchecked_t mesq_noop_page_overflow; - - }; - -@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync, - tghop_invalidate, mcsop_last}; - - struct mcs_op_statistic { -- atomic_long_t count; -- atomic_long_t total; -+ atomic_long_unchecked_t count; -+ atomic_long_unchecked_t total; - unsigned long max; - }; - -@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last]; - - #define STAT(id) do { \ - if (gru_options & OPT_STATS) \ -- atomic_long_inc(&gru_stats.id); \ -+ atomic_long_inc_unchecked(&gru_stats.id); \ - } while (0) - - #ifdef CONFIG_SGI_GRU_DEBUG -diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h -index c862cd4..0d176fe 100644 ---- a/drivers/misc/sgi-xp/xp.h -+++ b/drivers/misc/sgi-xp/xp.h -@@ -288,7 +288,7 @@ struct xpc_interface { - xpc_notify_func, void *); - void (*received) (short, int, void *); - enum xp_retval (*partid_to_nasids) (short, void *); --}; -+} __no_const; - - extern struct xpc_interface xpc_interface; - -diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c -index 01be66d..e3a0c7e 100644 ---- a/drivers/misc/sgi-xp/xp_main.c -+++ b/drivers/misc/sgi-xp/xp_main.c -@@ -78,13 +78,13 @@ xpc_notloaded(void) - } - - struct xpc_interface xpc_interface = { -- (void (*)(int))xpc_notloaded, -- (void (*)(int))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, -+ .connect = (void (*)(int))xpc_notloaded, -+ .disconnect = (void (*)(int))xpc_notloaded, -+ .send = (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, -+ .send_notify = (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, - void *))xpc_notloaded, -- (void (*)(short, int, void *))xpc_notloaded, -- (enum xp_retval(*)(short, void *))xpc_notloaded -+ .received = (void (*)(short, int, void *))xpc_notloaded, -+ .partid_to_nasids = (enum xp_retval(*)(short, void *))xpc_notloaded - }; - EXPORT_SYMBOL_GPL(xpc_interface); - -diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h -index b94d5f7..7f494c5 100644 ---- a/drivers/misc/sgi-xp/xpc.h -+++ b/drivers/misc/sgi-xp/xpc.h -@@ -835,6 +835,7 @@ struct xpc_arch_operations { - void (*received_payload) (struct xpc_channel *, void *); - void (*notify_senders_of_disconnect) (struct xpc_channel *); - }; -+typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const; - - /* struct xpc_partition act_state values (for XPC HB) */ - -@@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[]; - /* found in xpc_main.c */ - extern struct device *xpc_part; - extern struct device *xpc_chan; --extern struct xpc_arch_operations xpc_arch_ops; -+extern xpc_arch_operations_no_const xpc_arch_ops; - extern int xpc_disengage_timelimit; - extern int xpc_disengage_timedout; - extern int xpc_activate_IRQ_rcvd; -diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c -index 7f32712..8539ab2 100644 ---- a/drivers/misc/sgi-xp/xpc_main.c -+++ b/drivers/misc/sgi-xp/xpc_main.c -@@ -166,7 +166,7 @@ static struct notifier_block xpc_die_notifier = { - .notifier_call = xpc_system_die, - }; - --struct xpc_arch_operations xpc_arch_ops; -+xpc_arch_operations_no_const xpc_arch_ops; - - /* - * Timer function to enforce the timelimit on the partition disengage. -diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c -index 31d2627..d1b80a5 100644 ---- a/drivers/mmc/card/block.c -+++ b/drivers/mmc/card/block.c -@@ -579,7 +579,7 @@ static int mmc_blk_ioctl_cmd(struct block_device *bdev, - if (idata->ic.postsleep_min_us) - usleep_range(idata->ic.postsleep_min_us, idata->ic.postsleep_max_us); - -- if (copy_to_user(&(ic_ptr->response), cmd.resp, sizeof(cmd.resp))) { -+ if (copy_to_user(ic_ptr->response, cmd.resp, sizeof(cmd.resp))) { - err = -EFAULT; - goto cmd_rel_host; - } -diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h -index f45ab91..9f50d8f 100644 ---- a/drivers/mmc/host/dw_mmc.h -+++ b/drivers/mmc/host/dw_mmc.h -@@ -287,5 +287,5 @@ struct dw_mci_drv_data { - int (*execute_tuning)(struct dw_mci_slot *slot); - int (*prepare_hs400_tuning)(struct dw_mci *host, - struct mmc_ios *ios); --}; -+} __do_const; - #endif /* _DW_MMC_H_ */ -diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c -index fb26674..3172c2b 100644 ---- a/drivers/mmc/host/mmci.c -+++ b/drivers/mmc/host/mmci.c -@@ -1633,7 +1633,9 @@ static int mmci_probe(struct amba_device *dev, - mmc->caps |= MMC_CAP_CMD23; - - if (variant->busy_detect) { -- mmci_ops.card_busy = mmci_card_busy; -+ pax_open_kernel(); -+ *(void **)&mmci_ops.card_busy = mmci_card_busy; -+ pax_close_kernel(); - mmci_write_datactrlreg(host, MCI_ST_DPSM_BUSYMODE); - mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; - mmc->max_busy_timeout = 0; -diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c -index d0abdffb..bb1f8d7 100644 ---- a/drivers/mmc/host/omap_hsmmc.c -+++ b/drivers/mmc/host/omap_hsmmc.c -@@ -2004,7 +2004,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev) - - if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) { - dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n"); -- omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; -+ pax_open_kernel(); -+ *(void **)&omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; -+ pax_close_kernel(); - } - - pm_runtime_enable(host->dev); -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index 82f512d..5a228bb 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -993,9 +993,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) - host->mmc->caps |= MMC_CAP_1_8V_DDR; - } - -- if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) -- sdhci_esdhc_ops.platform_execute_tuning = -+ if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) { -+ pax_open_kernel(); -+ *(void **)&sdhci_esdhc_ops.platform_execute_tuning = - esdhc_executing_tuning; -+ pax_close_kernel(); -+ } - - if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) - writel(readl(host->ioaddr + ESDHC_TUNING_CTRL) | -diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c -index c6d2dd7..81b1ca3 100644 ---- a/drivers/mmc/host/sdhci-s3c.c -+++ b/drivers/mmc/host/sdhci-s3c.c -@@ -598,9 +598,11 @@ static int sdhci_s3c_probe(struct platform_device *pdev) - * we can use overriding functions instead of default. - */ - if (sc->no_divider) { -- sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; -- sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; -- sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -+ pax_open_kernel(); -+ *(void **)&sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; -+ *(void **)&sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; -+ *(void **)&sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -+ pax_close_kernel(); - } - - /* It supports additional host capabilities if needed */ -diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c -index 9a1a6ff..b8f1a57 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0020.c -+++ b/drivers/mtd/chips/cfi_cmdset_0020.c -@@ -666,7 +666,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs, - size_t totlen = 0, thislen; - int ret = 0; - size_t buflen = 0; -- static char *buffer; -+ char *buffer; - - if (!ECCBUF_SIZE) { - /* We should fall back to a general writev implementation. -diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c -index 870c7fc..c7d6440 100644 ---- a/drivers/mtd/nand/denali.c -+++ b/drivers/mtd/nand/denali.c -@@ -24,6 +24,7 @@ - #include <linux/slab.h> - #include <linux/mtd/mtd.h> - #include <linux/module.h> -+#include <linux/slab.h> - - #include "denali.h" - -diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -index 1b8f350..990f2e9 100644 ---- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -@@ -386,7 +386,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) - - /* first try to map the upper buffer directly */ - if (virt_addr_valid(this->upper_buf) && -- !object_is_on_stack(this->upper_buf)) { -+ !object_starts_on_stack(this->upper_buf)) { - sg_init_one(sgl, this->upper_buf, this->upper_len); - ret = dma_map_sg(this->dev, sgl, 1, dr); - if (ret == 0) -diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c -index a5dfbfb..8042ab4 100644 ---- a/drivers/mtd/nftlmount.c -+++ b/drivers/mtd/nftlmount.c -@@ -24,6 +24,7 @@ - #include <asm/errno.h> - #include <linux/delay.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/mtd/mtd.h> - #include <linux/mtd/nand.h> - #include <linux/mtd/nftl.h> -diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c -index c23184a..4115c41 100644 ---- a/drivers/mtd/sm_ftl.c -+++ b/drivers/mtd/sm_ftl.c -@@ -56,7 +56,7 @@ static ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr, - #define SM_CIS_VENDOR_OFFSET 0x59 - static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) - { -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attributes; - struct sm_sysfs_attribute *vendor_attribute; - char *vendor; -diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c -index 7b11243..b3278a3 100644 ---- a/drivers/net/bonding/bond_netlink.c -+++ b/drivers/net/bonding/bond_netlink.c -@@ -585,7 +585,7 @@ nla_put_failure: - return -EMSGSIZE; - } - --struct rtnl_link_ops bond_link_ops __read_mostly = { -+struct rtnl_link_ops bond_link_ops = { - .kind = "bond", - .priv_size = sizeof(struct bonding), - .setup = bond_setup, -diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c -index b3b922a..80bba38 100644 ---- a/drivers/net/caif/caif_hsi.c -+++ b/drivers/net/caif/caif_hsi.c -@@ -1444,7 +1444,7 @@ err: - return -ENODEV; - } - --static struct rtnl_link_ops caif_hsi_link_ops __read_mostly = { -+static struct rtnl_link_ops caif_hsi_link_ops = { - .kind = "cfhsi", - .priv_size = sizeof(struct cfhsi), - .setup = cfhsi_setup, -diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig -index e8c96b8..516a96c 100644 ---- a/drivers/net/can/Kconfig -+++ b/drivers/net/can/Kconfig -@@ -98,7 +98,7 @@ config CAN_JANZ_ICAN3 - - config CAN_FLEXCAN - tristate "Support for Freescale FLEXCAN based chips" -- depends on ARM || PPC -+ depends on (ARM && CPU_LITTLE_ENDIAN) || PPC - ---help--- - Say Y here if you want to support for Freescale FlexCAN. - -diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c -index aede704..b516b4d 100644 ---- a/drivers/net/can/dev.c -+++ b/drivers/net/can/dev.c -@@ -961,7 +961,7 @@ static int can_newlink(struct net *src_net, struct net_device *dev, - return -EOPNOTSUPP; - } - --static struct rtnl_link_ops can_link_ops __read_mostly = { -+static struct rtnl_link_ops can_link_ops = { - .kind = "can", - .maxtype = IFLA_CAN_MAX, - .policy = can_policy, -diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c -index 674f367..ec3a31f 100644 ---- a/drivers/net/can/vcan.c -+++ b/drivers/net/can/vcan.c -@@ -163,7 +163,7 @@ static void vcan_setup(struct net_device *dev) - dev->destructor = free_netdev; - } - --static struct rtnl_link_ops vcan_link_ops __read_mostly = { -+static struct rtnl_link_ops vcan_link_ops = { - .kind = "vcan", - .setup = vcan_setup, - }; -diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c -index 49adbf1..fff7ff8 100644 ---- a/drivers/net/dummy.c -+++ b/drivers/net/dummy.c -@@ -164,7 +164,7 @@ static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops dummy_link_ops __read_mostly = { -+static struct rtnl_link_ops dummy_link_ops = { - .kind = DRV_NAME, - .setup = dummy_setup, - .validate = dummy_validate, -diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c -index 0443654..4f0aa18 100644 ---- a/drivers/net/ethernet/8390/ax88796.c -+++ b/drivers/net/ethernet/8390/ax88796.c -@@ -889,9 +889,11 @@ static int ax_probe(struct platform_device *pdev) - if (ax->plat->reg_offsets) - ei_local->reg_offset = ax->plat->reg_offsets; - else { -+ resource_size_t _mem_size = mem_size; -+ do_div(_mem_size, 0x18); - ei_local->reg_offset = ax->reg_offsets; - for (ret = 0; ret < 0x18; ret++) -- ax->reg_offsets[ret] = (mem_size / 0x18) * ret; -+ ax->reg_offsets[ret] = _mem_size * ret; - } - - if (!request_mem_region(mem->start, mem_size, pdev->name)) { -diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c -index da48e66..2dbec80 100644 ---- a/drivers/net/ethernet/altera/altera_tse_main.c -+++ b/drivers/net/ethernet/altera/altera_tse_main.c -@@ -1256,7 +1256,7 @@ static int tse_shutdown(struct net_device *dev) - return 0; - } - --static struct net_device_ops altera_tse_netdev_ops = { -+static net_device_ops_no_const altera_tse_netdev_ops __read_only = { - .ndo_open = tse_open, - .ndo_stop = tse_shutdown, - .ndo_start_xmit = tse_start_xmit, -@@ -1493,11 +1493,13 @@ static int altera_tse_probe(struct platform_device *pdev) - ndev->netdev_ops = &altera_tse_netdev_ops; - altera_tse_set_ethtool_ops(ndev); - -+ pax_open_kernel(); - altera_tse_netdev_ops.ndo_set_rx_mode = tse_set_rx_mode; - - if (priv->hash_filter) - altera_tse_netdev_ops.ndo_set_rx_mode = - tse_set_rx_mode_hashfilter; -+ pax_close_kernel(); - - /* Scatter/gather IO is not supported, - * so it is turned off -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -index 34c28aa..5e06567 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -@@ -1124,14 +1124,14 @@ do { \ - * operations, everything works on mask values. - */ - #define XMDIO_READ(_pdata, _mmd, _reg) \ -- ((_pdata)->hw_if.read_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->read_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff))) - - #define XMDIO_READ_BITS(_pdata, _mmd, _reg, _mask) \ - (XMDIO_READ((_pdata), _mmd, _reg) & _mask) - - #define XMDIO_WRITE(_pdata, _mmd, _reg, _val) \ -- ((_pdata)->hw_if.write_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->write_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff), (_val))) - - #define XMDIO_WRITE_BITS(_pdata, _mmd, _reg, _mask, _val) \ -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -index 8a50b01..39c1ad0 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -@@ -187,7 +187,7 @@ static int xgbe_dcb_ieee_setets(struct net_device *netdev, - - memcpy(pdata->ets, ets, sizeof(*pdata->ets)); - -- pdata->hw_if.config_dcb_tc(pdata); -+ pdata->hw_if->config_dcb_tc(pdata); - - return 0; - } -@@ -226,7 +226,7 @@ static int xgbe_dcb_ieee_setpfc(struct net_device *netdev, - - memcpy(pdata->pfc, pfc, sizeof(*pdata->pfc)); - -- pdata->hw_if.config_dcb_pfc(pdata); -+ pdata->hw_if->config_dcb_pfc(pdata); - - return 0; - } -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -index 5c92fb7..08be735 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -@@ -347,7 +347,7 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata, - - static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -388,7 +388,7 @@ static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - - static void xgbe_wrapper_rx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_desc *rdesc; -@@ -620,17 +620,12 @@ err_out: - return 0; - } - --void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *desc_if) --{ -- DBGPR("-->xgbe_init_function_ptrs_desc\n"); -- -- desc_if->alloc_ring_resources = xgbe_alloc_ring_resources; -- desc_if->free_ring_resources = xgbe_free_ring_resources; -- desc_if->map_tx_skb = xgbe_map_tx_skb; -- desc_if->map_rx_buffer = xgbe_map_rx_buffer; -- desc_if->unmap_rdata = xgbe_unmap_rdata; -- desc_if->wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init; -- desc_if->wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init; -- -- DBGPR("<--xgbe_init_function_ptrs_desc\n"); --} -+struct xgbe_desc_if default_xgbe_desc_if = { -+ .alloc_ring_resources = xgbe_alloc_ring_resources, -+ .free_ring_resources = xgbe_free_ring_resources, -+ .map_tx_skb = xgbe_map_tx_skb, -+ .map_rx_buffer = xgbe_map_rx_buffer, -+ .unmap_rdata = xgbe_unmap_rdata, -+ .wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init, -+ .wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -index 21d9497..c74b40f 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -@@ -2772,7 +2772,7 @@ static void xgbe_powerdown_rx(struct xgbe_prv_data *pdata) - - static int xgbe_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_init\n"); -@@ -2838,106 +2838,101 @@ static int xgbe_init(struct xgbe_prv_data *pdata) - return 0; - } - --void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) --{ -- DBGPR("-->xgbe_init_function_ptrs\n"); -- -- hw_if->tx_complete = xgbe_tx_complete; -- -- hw_if->set_mac_address = xgbe_set_mac_address; -- hw_if->config_rx_mode = xgbe_config_rx_mode; -- -- hw_if->enable_rx_csum = xgbe_enable_rx_csum; -- hw_if->disable_rx_csum = xgbe_disable_rx_csum; -- -- hw_if->enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping; -- hw_if->disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping; -- hw_if->enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering; -- hw_if->disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering; -- hw_if->update_vlan_hash_table = xgbe_update_vlan_hash_table; -- -- hw_if->read_mmd_regs = xgbe_read_mmd_regs; -- hw_if->write_mmd_regs = xgbe_write_mmd_regs; -- -- hw_if->set_gmii_speed = xgbe_set_gmii_speed; -- hw_if->set_gmii_2500_speed = xgbe_set_gmii_2500_speed; -- hw_if->set_xgmii_speed = xgbe_set_xgmii_speed; -- -- hw_if->enable_tx = xgbe_enable_tx; -- hw_if->disable_tx = xgbe_disable_tx; -- hw_if->enable_rx = xgbe_enable_rx; -- hw_if->disable_rx = xgbe_disable_rx; -- -- hw_if->powerup_tx = xgbe_powerup_tx; -- hw_if->powerdown_tx = xgbe_powerdown_tx; -- hw_if->powerup_rx = xgbe_powerup_rx; -- hw_if->powerdown_rx = xgbe_powerdown_rx; -- -- hw_if->dev_xmit = xgbe_dev_xmit; -- hw_if->dev_read = xgbe_dev_read; -- hw_if->enable_int = xgbe_enable_int; -- hw_if->disable_int = xgbe_disable_int; -- hw_if->init = xgbe_init; -- hw_if->exit = xgbe_exit; -+struct xgbe_hw_if default_xgbe_hw_if = { -+ .tx_complete = xgbe_tx_complete, -+ -+ .set_mac_address = xgbe_set_mac_address, -+ .config_rx_mode = xgbe_config_rx_mode, -+ -+ .enable_rx_csum = xgbe_enable_rx_csum, -+ .disable_rx_csum = xgbe_disable_rx_csum, -+ -+ .enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping, -+ .disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping, -+ .enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering, -+ .disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering, -+ .update_vlan_hash_table = xgbe_update_vlan_hash_table, -+ -+ .read_mmd_regs = xgbe_read_mmd_regs, -+ .write_mmd_regs = xgbe_write_mmd_regs, -+ -+ .set_gmii_speed = xgbe_set_gmii_speed, -+ .set_gmii_2500_speed = xgbe_set_gmii_2500_speed, -+ .set_xgmii_speed = xgbe_set_xgmii_speed, -+ -+ .enable_tx = xgbe_enable_tx, -+ .disable_tx = xgbe_disable_tx, -+ .enable_rx = xgbe_enable_rx, -+ .disable_rx = xgbe_disable_rx, -+ -+ .powerup_tx = xgbe_powerup_tx, -+ .powerdown_tx = xgbe_powerdown_tx, -+ .powerup_rx = xgbe_powerup_rx, -+ .powerdown_rx = xgbe_powerdown_rx, -+ -+ .dev_xmit = xgbe_dev_xmit, -+ .dev_read = xgbe_dev_read, -+ .enable_int = xgbe_enable_int, -+ .disable_int = xgbe_disable_int, -+ .init = xgbe_init, -+ .exit = xgbe_exit, - - /* Descriptor related Sequences have to be initialized here */ -- hw_if->tx_desc_init = xgbe_tx_desc_init; -- hw_if->rx_desc_init = xgbe_rx_desc_init; -- hw_if->tx_desc_reset = xgbe_tx_desc_reset; -- hw_if->rx_desc_reset = xgbe_rx_desc_reset; -- hw_if->is_last_desc = xgbe_is_last_desc; -- hw_if->is_context_desc = xgbe_is_context_desc; -- hw_if->tx_start_xmit = xgbe_tx_start_xmit; -+ .tx_desc_init = xgbe_tx_desc_init, -+ .rx_desc_init = xgbe_rx_desc_init, -+ .tx_desc_reset = xgbe_tx_desc_reset, -+ .rx_desc_reset = xgbe_rx_desc_reset, -+ .is_last_desc = xgbe_is_last_desc, -+ .is_context_desc = xgbe_is_context_desc, -+ .tx_start_xmit = xgbe_tx_start_xmit, - - /* For FLOW ctrl */ -- hw_if->config_tx_flow_control = xgbe_config_tx_flow_control; -- hw_if->config_rx_flow_control = xgbe_config_rx_flow_control; -+ .config_tx_flow_control = xgbe_config_tx_flow_control, -+ .config_rx_flow_control = xgbe_config_rx_flow_control, - - /* For RX coalescing */ -- hw_if->config_rx_coalesce = xgbe_config_rx_coalesce; -- hw_if->config_tx_coalesce = xgbe_config_tx_coalesce; -- hw_if->usec_to_riwt = xgbe_usec_to_riwt; -- hw_if->riwt_to_usec = xgbe_riwt_to_usec; -+ .config_rx_coalesce = xgbe_config_rx_coalesce, -+ .config_tx_coalesce = xgbe_config_tx_coalesce, -+ .usec_to_riwt = xgbe_usec_to_riwt, -+ .riwt_to_usec = xgbe_riwt_to_usec, - - /* For RX and TX threshold config */ -- hw_if->config_rx_threshold = xgbe_config_rx_threshold; -- hw_if->config_tx_threshold = xgbe_config_tx_threshold; -+ .config_rx_threshold = xgbe_config_rx_threshold, -+ .config_tx_threshold = xgbe_config_tx_threshold, - - /* For RX and TX Store and Forward Mode config */ -- hw_if->config_rsf_mode = xgbe_config_rsf_mode; -- hw_if->config_tsf_mode = xgbe_config_tsf_mode; -+ .config_rsf_mode = xgbe_config_rsf_mode, -+ .config_tsf_mode = xgbe_config_tsf_mode, - - /* For TX DMA Operating on Second Frame config */ -- hw_if->config_osp_mode = xgbe_config_osp_mode; -+ .config_osp_mode = xgbe_config_osp_mode, - - /* For RX and TX PBL config */ -- hw_if->config_rx_pbl_val = xgbe_config_rx_pbl_val; -- hw_if->get_rx_pbl_val = xgbe_get_rx_pbl_val; -- hw_if->config_tx_pbl_val = xgbe_config_tx_pbl_val; -- hw_if->get_tx_pbl_val = xgbe_get_tx_pbl_val; -- hw_if->config_pblx8 = xgbe_config_pblx8; -+ .config_rx_pbl_val = xgbe_config_rx_pbl_val, -+ .get_rx_pbl_val = xgbe_get_rx_pbl_val, -+ .config_tx_pbl_val = xgbe_config_tx_pbl_val, -+ .get_tx_pbl_val = xgbe_get_tx_pbl_val, -+ .config_pblx8 = xgbe_config_pblx8, - - /* For MMC statistics support */ -- hw_if->tx_mmc_int = xgbe_tx_mmc_int; -- hw_if->rx_mmc_int = xgbe_rx_mmc_int; -- hw_if->read_mmc_stats = xgbe_read_mmc_stats; -+ .tx_mmc_int = xgbe_tx_mmc_int, -+ .rx_mmc_int = xgbe_rx_mmc_int, -+ .read_mmc_stats = xgbe_read_mmc_stats, - - /* For PTP config */ -- hw_if->config_tstamp = xgbe_config_tstamp; -- hw_if->update_tstamp_addend = xgbe_update_tstamp_addend; -- hw_if->set_tstamp_time = xgbe_set_tstamp_time; -- hw_if->get_tstamp_time = xgbe_get_tstamp_time; -- hw_if->get_tx_tstamp = xgbe_get_tx_tstamp; -+ .config_tstamp = xgbe_config_tstamp, -+ .update_tstamp_addend = xgbe_update_tstamp_addend, -+ .set_tstamp_time = xgbe_set_tstamp_time, -+ .get_tstamp_time = xgbe_get_tstamp_time, -+ .get_tx_tstamp = xgbe_get_tx_tstamp, - - /* For Data Center Bridging config */ -- hw_if->config_dcb_tc = xgbe_config_dcb_tc; -- hw_if->config_dcb_pfc = xgbe_config_dcb_pfc; -+ .config_dcb_tc = xgbe_config_dcb_tc, -+ .config_dcb_pfc = xgbe_config_dcb_pfc, - - /* For Receive Side Scaling */ -- hw_if->enable_rss = xgbe_enable_rss; -- hw_if->disable_rss = xgbe_disable_rss; -- hw_if->set_rss_hash_key = xgbe_set_rss_hash_key; -- hw_if->set_rss_lookup_table = xgbe_set_rss_lookup_table; -- -- DBGPR("<--xgbe_init_function_ptrs\n"); --} -+ .enable_rss = xgbe_enable_rss, -+ .disable_rss = xgbe_disable_rss, -+ .set_rss_hash_key = xgbe_set_rss_hash_key, -+ .set_rss_lookup_table = xgbe_set_rss_lookup_table, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -index 9fd6c69..588ff02 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -@@ -243,7 +243,7 @@ static int xgbe_maybe_stop_tx_queue(struct xgbe_channel *channel, - * support, tell it now - */ - if (ring->tx.xmit_more) -- pdata->hw_if.tx_start_xmit(channel, ring); -+ pdata->hw_if->tx_start_xmit(channel, ring); - - return NETDEV_TX_BUSY; - } -@@ -271,7 +271,7 @@ static int xgbe_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu) - - static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -293,7 +293,7 @@ static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - - static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -316,7 +316,7 @@ static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - static irqreturn_t xgbe_isr(int irq, void *data) - { - struct xgbe_prv_data *pdata = data; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - unsigned int dma_isr, dma_ch_isr; - unsigned int mac_isr, mac_tssr; -@@ -682,7 +682,7 @@ static void xgbe_free_irqs(struct xgbe_prv_data *pdata) - - void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_tx_coalesce\n"); - -@@ -696,7 +696,7 @@ void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - - void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_rx_coalesce\n"); - -@@ -711,7 +711,7 @@ void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - - static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -736,7 +736,7 @@ static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - - static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -762,7 +762,7 @@ static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) - static void xgbe_adjust_link(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct phy_device *phydev = pdata->phydev; - int new_state = 0; - -@@ -870,7 +870,7 @@ static void xgbe_phy_exit(struct xgbe_prv_data *pdata) - int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerdown\n"); -@@ -908,7 +908,7 @@ int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - int xgbe_powerup(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerup\n"); -@@ -945,7 +945,7 @@ int xgbe_powerup(struct net_device *netdev, unsigned int caller) - - static int xgbe_start(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct net_device *netdev = pdata->netdev; - int ret; - -@@ -984,7 +984,7 @@ err_napi: - - static void xgbe_stop(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct net_device *netdev = pdata->netdev; - struct netdev_queue *txq; -@@ -1211,7 +1211,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, - return -ERANGE; - } - -- pdata->hw_if.config_tstamp(pdata, mac_tscr); -+ pdata->hw_if->config_tstamp(pdata, mac_tscr); - - memcpy(&pdata->tstamp_config, &config, sizeof(config)); - -@@ -1360,7 +1360,7 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata, - static int xgbe_open(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_open\n"); -@@ -1432,7 +1432,7 @@ err_phy_init: - static int xgbe_close(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - - DBGPR("-->xgbe_close\n"); - -@@ -1460,8 +1460,8 @@ static int xgbe_close(struct net_device *netdev) - static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_packet_data *packet; -@@ -1529,7 +1529,7 @@ tx_netdev_return: - static void xgbe_set_rx_mode(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_set_rx_mode\n"); - -@@ -1541,7 +1541,7 @@ static void xgbe_set_rx_mode(struct net_device *netdev) - static int xgbe_set_mac_address(struct net_device *netdev, void *addr) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct sockaddr *saddr = addr; - - DBGPR("-->xgbe_set_mac_address\n"); -@@ -1616,7 +1616,7 @@ static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev, - - DBGPR("-->%s\n", __func__); - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - - s->rx_packets = pstats->rxframecount_gb; - s->rx_bytes = pstats->rxoctetcount_gb; -@@ -1643,7 +1643,7 @@ static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1659,7 +1659,7 @@ static int xgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1725,7 +1725,7 @@ static int xgbe_set_features(struct net_device *netdev, - netdev_features_t features) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter; - int ret = 0; - -@@ -1791,8 +1791,8 @@ struct net_device_ops *xgbe_get_netdev_ops(void) - static void xgbe_rx_refresh(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - -@@ -1847,8 +1847,8 @@ static struct sk_buff *xgbe_create_skb(struct napi_struct *napi, - static int xgbe_tx_poll(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->tx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_ring_desc *rdesc; -@@ -1913,7 +1913,7 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) - static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_packet_data *packet; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -index 5f149e8..6736bf4 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -@@ -203,7 +203,7 @@ static void xgbe_get_ethtool_stats(struct net_device *netdev, - - DBGPR("-->%s\n", __func__); - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - for (i = 0; i < XGBE_STATS_COUNT; i++) { - stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset; - *data++ = *(u64 *)stat; -@@ -396,7 +396,7 @@ static int xgbe_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int rx_frames, rx_riwt, rx_usecs; - unsigned int tx_frames; - -@@ -521,7 +521,7 @@ static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int ret; - - if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -index 7149053..889c5492 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -@@ -159,12 +159,6 @@ static void xgbe_default_config(struct xgbe_prv_data *pdata) - DBGPR("<--xgbe_default_config\n"); - } - --static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) --{ -- xgbe_init_function_ptrs_dev(&pdata->hw_if); -- xgbe_init_function_ptrs_desc(&pdata->desc_if); --} -- - #ifdef CONFIG_ACPI - static int xgbe_acpi_support(struct xgbe_prv_data *pdata) - { -@@ -387,9 +381,8 @@ static int xgbe_probe(struct platform_device *pdev) - memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len); - - /* Set all the function pointers */ -- xgbe_init_all_fptrs(pdata); -- hw_if = &pdata->hw_if; -- desc_if = &pdata->desc_if; -+ hw_if = pdata->hw_if = &default_xgbe_hw_if; -+ desc_if = pdata->desc_if = &default_xgbe_desc_if; - - /* Issue software reset to device */ - hw_if->exit(pdata); -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -index 59e267f..0842a88 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -@@ -126,7 +126,7 @@ - static int xgbe_mdio_read(struct mii_bus *mii, int prtad, int mmd_reg) - { - struct xgbe_prv_data *pdata = mii->priv; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - int mmd_data; - - DBGPR_MDIO("-->xgbe_mdio_read: prtad=%#x mmd_reg=%#x\n", -@@ -143,7 +143,7 @@ static int xgbe_mdio_write(struct mii_bus *mii, int prtad, int mmd_reg, - u16 mmd_val) - { - struct xgbe_prv_data *pdata = mii->priv; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - int mmd_data = mmd_val; - - DBGPR_MDIO("-->xgbe_mdio_write: prtad=%#x mmd_reg=%#x mmd_data=%#x\n", -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -index b03e4f5..78e4cc4 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -@@ -129,7 +129,7 @@ static cycle_t xgbe_cc_read(const struct cyclecounter *cc) - tstamp_cc); - u64 nsec; - -- nsec = pdata->hw_if.get_tstamp_time(pdata); -+ nsec = pdata->hw_if->get_tstamp_time(pdata); - - return nsec; - } -@@ -158,7 +158,7 @@ static int xgbe_adjfreq(struct ptp_clock_info *info, s32 delta) - - spin_lock_irqsave(&pdata->tstamp_lock, flags); - -- pdata->hw_if.update_tstamp_addend(pdata, addend); -+ pdata->hw_if->update_tstamp_addend(pdata, addend); - - spin_unlock_irqrestore(&pdata->tstamp_lock, flags); - -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h -index e62dfa2..7df28d5 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h -@@ -673,8 +673,8 @@ struct xgbe_prv_data { - int dev_irq; - unsigned int per_channel_irq; - -- struct xgbe_hw_if hw_if; -- struct xgbe_desc_if desc_if; -+ struct xgbe_hw_if *hw_if; -+ struct xgbe_desc_if *desc_if; - - /* AXI DMA settings */ - unsigned int coherent; -@@ -797,6 +797,9 @@ struct xgbe_prv_data { - #endif - }; - -+extern struct xgbe_hw_if default_xgbe_hw_if; -+extern struct xgbe_desc_if default_xgbe_desc_if; -+ - /* Function prototypes*/ - - void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); -diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c -index 783543a..a472348 100644 ---- a/drivers/net/ethernet/broadcom/bcmsysport.c -+++ b/drivers/net/ethernet/broadcom/bcmsysport.c -@@ -1721,7 +1721,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) - macaddr = of_get_mac_address(dn); - if (!macaddr || !is_valid_ether_addr(macaddr)) { - dev_warn(&pdev->dev, "using random Ethernet MAC\n"); -- random_ether_addr(dev->dev_addr); -+ eth_hw_addr_random(dev); - } else { - ether_addr_copy(dev->dev_addr, macaddr); - } -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -index d7a7175..7011194 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -@@ -1065,7 +1065,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) - static inline void bnx2x_init_bp_objs(struct bnx2x *bp) - { - /* RX_MODE controlling object */ -- bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj); -+ bnx2x_init_rx_mode_obj(bp); - - /* multicast configuration controlling object */ - bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid, -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -index 07cdf9b..b08ecc7 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -@@ -2329,15 +2329,14 @@ int bnx2x_config_rx_mode(struct bnx2x *bp, - return rc; - } - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o) -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp) - { - if (CHIP_IS_E1x(bp)) { -- o->wait_comp = bnx2x_empty_rx_mode_wait; -- o->config_rx_mode = bnx2x_set_rx_mode_e1x; -+ bp->rx_mode_obj.wait_comp = bnx2x_empty_rx_mode_wait; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e1x; - } else { -- o->wait_comp = bnx2x_wait_rx_mode_comp_e2; -- o->config_rx_mode = bnx2x_set_rx_mode_e2; -+ bp->rx_mode_obj.wait_comp = bnx2x_wait_rx_mode_comp_e2; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e2; - } - } - -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -index 86baecb..ff3bb46 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -@@ -1411,8 +1411,7 @@ int bnx2x_vlan_mac_move(struct bnx2x *bp, - - /********************* RX MODE ****************/ - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o); -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp); - - /** - * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters. -diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h -index 31c9f82..e65e986 100644 ---- a/drivers/net/ethernet/broadcom/tg3.h -+++ b/drivers/net/ethernet/broadcom/tg3.h -@@ -150,6 +150,7 @@ - #define CHIPREV_ID_5750_A0 0x4000 - #define CHIPREV_ID_5750_A1 0x4001 - #define CHIPREV_ID_5750_A3 0x4003 -+#define CHIPREV_ID_5750_C1 0x4201 - #define CHIPREV_ID_5750_C2 0x4202 - #define CHIPREV_ID_5752_A0_HW 0x5000 - #define CHIPREV_ID_5752_A0 0x6000 -diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c -index deb8da6..45d473b 100644 ---- a/drivers/net/ethernet/brocade/bna/bna_enet.c -+++ b/drivers/net/ethernet/brocade/bna/bna_enet.c -@@ -1694,10 +1694,10 @@ bna_cb_ioceth_reset(void *arg) - } - - static struct bfa_ioc_cbfn bna_ioceth_cbfn = { -- bna_cb_ioceth_enable, -- bna_cb_ioceth_disable, -- bna_cb_ioceth_hbfail, -- bna_cb_ioceth_reset -+ .enable_cbfn = bna_cb_ioceth_enable, -+ .disable_cbfn = bna_cb_ioceth_disable, -+ .hbfail_cbfn = bna_cb_ioceth_hbfail, -+ .reset_cbfn = bna_cb_ioceth_reset - }; - - static void bna_attr_init(struct bna_ioceth *ioceth) -diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -index 8cffcdf..aadf043 100644 ---- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h -+++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -@@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev, - */ - struct l2t_skb_cb { - arp_failure_handler_func arp_failure_handler; --}; -+} __no_const; - - #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb) - -diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c -index badff18..e15c4ec 100644 ---- a/drivers/net/ethernet/dec/tulip/de4x5.c -+++ b/drivers/net/ethernet/dec/tulip/de4x5.c -@@ -5373,7 +5373,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - for (i=0; i<ETH_ALEN; i++) { - tmp.addr[i] = dev->dev_addr[i]; - } -- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; -+ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; - break; - - case DE4X5_SET_HWADDR: /* Set the hardware address */ -@@ -5413,7 +5413,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - spin_lock_irqsave(&lp->lock, flags); - memcpy(&statbuf, &lp->pktStats, ioc->len); - spin_unlock_irqrestore(&lp->lock, flags); -- if (copy_to_user(ioc->data, &statbuf, ioc->len)) -+ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len)) - return -EFAULT; - break; - } -diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c -index e43cc8a..f1cf67c 100644 ---- a/drivers/net/ethernet/emulex/benet/be_main.c -+++ b/drivers/net/ethernet/emulex/benet/be_main.c -@@ -539,7 +539,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val) - - if (wrapped) - newacc += 65536; -- ACCESS_ONCE(*acc) = newacc; -+ ACCESS_ONCE_RW(*acc) = newacc; - } - - static void populate_erx_stats(struct be_adapter *adapter, -diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c -index 6d0c5d5..55be363 100644 ---- a/drivers/net/ethernet/faraday/ftgmac100.c -+++ b/drivers/net/ethernet/faraday/ftgmac100.c -@@ -30,6 +30,8 @@ - #include <linux/netdevice.h> - #include <linux/phy.h> - #include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/irqreturn.h> - #include <net/ip.h> - - #include "ftgmac100.h" -diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c -index dce5f7b..2433466 100644 ---- a/drivers/net/ethernet/faraday/ftmac100.c -+++ b/drivers/net/ethernet/faraday/ftmac100.c -@@ -31,6 +31,8 @@ - #include <linux/module.h> - #include <linux/netdevice.h> - #include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/irqreturn.h> - - #include "ftmac100.h" - -diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c -index c754b20..c9da1b5 100644 ---- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c -+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c -@@ -216,7 +216,7 @@ static void fm10k_reuse_rx_page(struct fm10k_ring *rx_ring, - - static inline bool fm10k_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, -diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -index a92b772..250fe69 100644 ---- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c -+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -@@ -419,7 +419,7 @@ void i40e_ptp_set_increment(struct i40e_pf *pf) - wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32); - - /* Update the base adjustement value. */ -- ACCESS_ONCE(pf->ptp_base_adj) = incval; -+ ACCESS_ONCE_RW(pf->ptp_base_adj) = incval; - smp_mb(); /* Force the above update. */ - } - -diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c -index a0a9b1f..3fe93e7 100644 ---- a/drivers/net/ethernet/intel/igb/igb_main.c -+++ b/drivers/net/ethernet/intel/igb/igb_main.c -@@ -6584,7 +6584,7 @@ static void igb_reuse_rx_page(struct igb_ring *rx_ring, - - static inline bool igb_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -index 5be12a0..463ff47 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -@@ -1829,7 +1829,7 @@ static void ixgbe_reuse_rx_page(struct ixgbe_ring *rx_ring, - - static inline bool ixgbe_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - /** -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -index e5ba040..d47531c 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -@@ -782,7 +782,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) - } - - /* update the base incval used to calculate frequency adjustment */ -- ACCESS_ONCE(adapter->base_incval) = incval; -+ ACCESS_ONCE_RW(adapter->base_incval) = incval; - smp_mb(); - - /* need lock to prevent incorrect read while modifying cyclecounter */ -diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -index e71cdde..1d7b00b 100644 ---- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -@@ -765,7 +765,7 @@ static void ixgbevf_reuse_rx_page(struct ixgbevf_ring *rx_ring, - - static inline bool ixgbevf_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - /** -diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c -index 74d0389..086ac03 100644 ---- a/drivers/net/ethernet/marvell/mvneta.c -+++ b/drivers/net/ethernet/marvell/mvneta.c -@@ -1462,7 +1462,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - struct mvneta_rx_queue *rxq) - { - struct net_device *dev = pp->dev; -- int rx_done, rx_filled; -+ int rx_done; - u32 rcvd_pkts = 0; - u32 rcvd_bytes = 0; - -@@ -1473,7 +1473,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - rx_todo = rx_done; - - rx_done = 0; -- rx_filled = 0; - - /* Fairness NAPI loop */ - while (rx_done < rx_todo) { -@@ -1484,7 +1483,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - int rx_bytes, err; - - rx_done++; -- rx_filled++; - rx_status = rx_desc->status; - rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); - data = (unsigned char *)rx_desc->buf_cookie; -@@ -1524,6 +1522,14 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - continue; - } - -+ /* Refill processing */ -+ err = mvneta_rx_refill(pp, rx_desc); -+ if (err) { -+ netdev_err(dev, "Linux processing - Can't refill\n"); -+ rxq->missed++; -+ goto err_drop_frame; -+ } -+ - skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); - if (!skb) - goto err_drop_frame; -@@ -1543,14 +1549,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - mvneta_rx_csum(pp, rx_status, skb); - - napi_gro_receive(&pp->napi, skb); -- -- /* Refill processing */ -- err = mvneta_rx_refill(pp, rx_desc); -- if (err) { -- netdev_err(dev, "Linux processing - Can't refill\n"); -- rxq->missed++; -- rx_filled--; -- } - } - - if (rcvd_pkts) { -@@ -1563,7 +1561,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - } - - /* Update rxq management counters */ -- mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_filled); -+ mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); - - return rx_done; - } -diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -index c10d98f..72914c6 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c -+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -@@ -475,8 +475,8 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, - wmb(); - - /* we want to dirty this cache line once */ -- ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb; -- ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped; -+ ACCESS_ONCE_RW(ring->last_nr_txbb) = last_nr_txbb; -+ ACCESS_ONCE_RW(ring->cons) = ring_cons + txbbs_skipped; - - netdev_tx_completed_queue(ring->tx_queue, packets, bytes); - -diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c -index 6223930..975033d 100644 ---- a/drivers/net/ethernet/neterion/vxge/vxge-config.c -+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c -@@ -3457,7 +3457,10 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - struct __vxge_hw_fifo *fifo; - struct vxge_hw_fifo_config *config; - u32 txdl_size, txdl_per_memblock; -- struct vxge_hw_mempool_cbs fifo_mp_callback; -+ static struct vxge_hw_mempool_cbs fifo_mp_callback = { -+ .item_func_alloc = __vxge_hw_fifo_mempool_item_alloc, -+ }; -+ - struct __vxge_hw_virtualpath *vpath; - - if ((vp == NULL) || (attr == NULL)) { -@@ -3540,8 +3543,6 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - goto exit; - } - -- fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; -- - fifo->mempool = - __vxge_hw_mempool_create(vpath->hldev, - fifo->config->memblock_size, -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -index 33669c2..674c39a 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -@@ -1415,7 +1415,7 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) - if (fw->size & 0xF) { - addr = dest + size; - for (i = 0; i < (fw->size & 0xF); i++) -- data[i] = temp[size + i]; -+ data[i] = ((u8 *)temp)[size + i]; - for (; i < 16; i++) - data[i] = 0; - ret = qlcnic_ms_mem_write128(adapter, addr, -@@ -2324,7 +2324,9 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) - max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS; - } else if (ret == QLC_83XX_DEFAULT_OPMODE) { - ahw->nic_mode = QLCNIC_DEFAULT_MODE; -- adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; -+ pax_open_kernel(); -+ *(void **)&adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; -+ pax_close_kernel(); - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; - max_sds_rings = QLCNIC_MAX_SDS_RINGS; - max_tx_rings = QLCNIC_MAX_TX_RINGS; -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -index be7d7a6..a8983f8 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -@@ -207,17 +207,23 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) - case QLCNIC_NON_PRIV_FUNC: - ahw->op_mode = QLCNIC_NON_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_PRIV_FUNC: - ahw->op_mode = QLCNIC_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry; -- nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_MGMT_FUNC: - ahw->op_mode = QLCNIC_MGMT_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; -+ pax_close_kernel(); - break; - default: - dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n"); -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -index 332bb8a..e6adcd1 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -@@ -1285,7 +1285,7 @@ flash_temp: - int qlcnic_dump_fw(struct qlcnic_adapter *adapter) - { - struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; -- static const struct qlcnic_dump_operations *fw_dump_ops; -+ const struct qlcnic_dump_operations *fw_dump_ops; - struct qlcnic_83xx_dump_template_hdr *hdr_83xx; - u32 entry_offset, dump, no_entries, buf_offset = 0; - int i, k, ops_cnt, ops_index, dump_size = 0; -diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c -index 3df51fa..e9b517f 100644 ---- a/drivers/net/ethernet/realtek/r8169.c -+++ b/drivers/net/ethernet/realtek/r8169.c -@@ -788,22 +788,22 @@ struct rtl8169_private { - struct mdio_ops { - void (*write)(struct rtl8169_private *, int, int); - int (*read)(struct rtl8169_private *, int); -- } mdio_ops; -+ } __no_const mdio_ops; - - struct pll_power_ops { - void (*down)(struct rtl8169_private *); - void (*up)(struct rtl8169_private *); -- } pll_power_ops; -+ } __no_const pll_power_ops; - - struct jumbo_ops { - void (*enable)(struct rtl8169_private *); - void (*disable)(struct rtl8169_private *); -- } jumbo_ops; -+ } __no_const jumbo_ops; - - struct csi_ops { - void (*write)(struct rtl8169_private *, int, int); - u32 (*read)(struct rtl8169_private *, int); -- } csi_ops; -+ } __no_const csi_ops; - - int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv); - int (*get_settings)(struct net_device *, struct ethtool_cmd *); -diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c -index a2e9aee..af41a0e 100644 ---- a/drivers/net/ethernet/sfc/ptp.c -+++ b/drivers/net/ethernet/sfc/ptp.c -@@ -822,7 +822,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) - ptp->start.dma_addr); - - /* Clear flag that signals MC ready */ -- ACCESS_ONCE(*start) = 0; -+ ACCESS_ONCE_RW(*start) = 0; - rc = efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf, - MC_CMD_PTP_IN_SYNCHRONIZE_LEN); - EFX_BUG_ON_PARANOID(rc); -diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -index 08c483b..2c4a553 100644 ---- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -@@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode) - - writel(value, ioaddr + MMC_CNTRL); - -- pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -- MMC_CNTRL, value); -+// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -+// MMC_CNTRL, value); - } - - /* To mask all all interrupts.*/ -diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c -index de28504..7f1c1cd 100644 ---- a/drivers/net/ethernet/via/via-rhine.c -+++ b/drivers/net/ethernet/via/via-rhine.c -@@ -2525,7 +2525,7 @@ static struct platform_driver rhine_driver_platform = { - } - }; - --static struct dmi_system_id rhine_dmi_table[] __initdata = { -+static const struct dmi_system_id rhine_dmi_table[] __initconst = { - { - .ident = "EPIA-M", - .matches = { -diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h -index 41071d3..6e362e1 100644 ---- a/drivers/net/hyperv/hyperv_net.h -+++ b/drivers/net/hyperv/hyperv_net.h -@@ -176,7 +176,7 @@ struct rndis_device { - enum rndis_device_state state; - bool link_state; - bool link_change; -- atomic_t new_req_id; -+ atomic_unchecked_t new_req_id; - - spinlock_t request_lock; - struct list_head req_list; -diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c -index 9118cea..1a8e06a 100644 ---- a/drivers/net/hyperv/rndis_filter.c -+++ b/drivers/net/hyperv/rndis_filter.c -@@ -100,7 +100,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev, - * template - */ - set = &rndis_msg->msg.set_req; -- set->req_id = atomic_inc_return(&dev->new_req_id); -+ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Add to the request list */ - spin_lock_irqsave(&dev->request_lock, flags); -@@ -923,7 +923,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev) - - /* Setup the rndis set */ - halt = &request->request_msg.msg.halt_req; -- halt->req_id = atomic_inc_return(&dev->new_req_id); -+ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Ignore return since this msg is optional. */ - rndis_filter_send_request(dev, request); -diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c -index 94570aa..1a798e1 100644 ---- a/drivers/net/ifb.c -+++ b/drivers/net/ifb.c -@@ -253,7 +253,7 @@ static int ifb_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops ifb_link_ops __read_mostly = { -+static struct rtnl_link_ops ifb_link_ops = { - .kind = "ifb", - .priv_size = sizeof(struct ifb_private), - .setup = ifb_setup, -diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h -index 54549a6..0799442 100644 ---- a/drivers/net/ipvlan/ipvlan.h -+++ b/drivers/net/ipvlan/ipvlan.h -@@ -102,6 +102,11 @@ static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d) - return rcu_dereference(d->rx_handler_data); - } - -+static inline struct ipvl_port *ipvlan_port_get_rcu_bh(const struct net_device *d) -+{ -+ return rcu_dereference_bh(d->rx_handler_data); -+} -+ - static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d) - { - return rtnl_dereference(d->rx_handler_data); -diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c -index c30b5c3..b349dad 100644 ---- a/drivers/net/ipvlan/ipvlan_core.c -+++ b/drivers/net/ipvlan/ipvlan_core.c -@@ -507,7 +507,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) - int ipvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ipvl_dev *ipvlan = netdev_priv(dev); -- struct ipvl_port *port = ipvlan_port_get_rcu(ipvlan->phy_dev); -+ struct ipvl_port *port = ipvlan_port_get_rcu_bh(ipvlan->phy_dev); - - if (!port) - goto out; -diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c -index 9f59f17..52cb38f 100644 ---- a/drivers/net/macvlan.c -+++ b/drivers/net/macvlan.c -@@ -335,7 +335,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port, - free_nskb: - kfree_skb(nskb); - err: -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - } - - static void macvlan_flush_sources(struct macvlan_port *port, -@@ -1480,13 +1480,15 @@ static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = { - int macvlan_link_register(struct rtnl_link_ops *ops) - { - /* common fields */ -- ops->priv_size = sizeof(struct macvlan_dev); -- ops->validate = macvlan_validate; -- ops->maxtype = IFLA_MACVLAN_MAX; -- ops->policy = macvlan_policy; -- ops->changelink = macvlan_changelink; -- ops->get_size = macvlan_get_size; -- ops->fill_info = macvlan_fill_info; -+ pax_open_kernel(); -+ *(size_t *)&ops->priv_size = sizeof(struct macvlan_dev); -+ *(void **)&ops->validate = macvlan_validate; -+ *(int *)&ops->maxtype = IFLA_MACVLAN_MAX; -+ *(const void **)&ops->policy = macvlan_policy; -+ *(void **)&ops->changelink = macvlan_changelink; -+ *(void **)&ops->get_size = macvlan_get_size; -+ *(void **)&ops->fill_info = macvlan_fill_info; -+ pax_close_kernel(); - - return rtnl_link_register(ops); - }; -@@ -1572,7 +1574,7 @@ static int macvlan_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvlan_notifier_block __read_mostly = { -+static struct notifier_block macvlan_notifier_block = { - .notifier_call = macvlan_device_event, - }; - -diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c -index 8c350c5..30fdc98 100644 ---- a/drivers/net/macvtap.c -+++ b/drivers/net/macvtap.c -@@ -436,7 +436,7 @@ static void macvtap_setup(struct net_device *dev) - dev->tx_queue_len = TUN_READQ_SIZE; - } - --static struct rtnl_link_ops macvtap_link_ops __read_mostly = { -+static struct rtnl_link_ops macvtap_link_ops = { - .kind = "macvtap", - .setup = macvtap_setup, - .newlink = macvtap_newlink, -@@ -1033,7 +1033,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, - - ret = 0; - u = q->flags; -- if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || -+ if (copy_to_user(ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || - put_user(u, &ifr->ifr_flags)) - ret = -EFAULT; - macvtap_put_vlan(vlan); -@@ -1214,7 +1214,7 @@ static int macvtap_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvtap_notifier_block __read_mostly = { -+static struct notifier_block macvtap_notifier_block = { - .notifier_call = macvtap_device_event, - }; - -@@ -1268,6 +1268,7 @@ static void macvtap_exit(void) - class_unregister(macvtap_class); - cdev_del(&macvtap_cdev); - unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); -+ idr_destroy(&minor_idr); - } - module_exit(macvtap_exit); - -diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c -index 34924df..a747360 100644 ---- a/drivers/net/nlmon.c -+++ b/drivers/net/nlmon.c -@@ -154,7 +154,7 @@ static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops nlmon_link_ops __read_mostly = { -+static struct rtnl_link_ops nlmon_link_ops = { - .kind = "nlmon", - .priv_size = sizeof(struct nlmon), - .setup = nlmon_setup, -diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c -index d551df6..fa4c2df 100644 ---- a/drivers/net/phy/phy_device.c -+++ b/drivers/net/phy/phy_device.c -@@ -218,7 +218,7 @@ EXPORT_SYMBOL(phy_device_create); - * zero on success. - * - */ --static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_c45_ids(struct mii_bus *bus, int addr, int *phy_id, - struct phy_c45_device_ids *c45_ids) { - int phy_reg; - int i, reg_addr; -@@ -288,7 +288,7 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, - * its return value is in turn returned. - * - */ --static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_id(struct mii_bus *bus, int addr, int *phy_id, - bool is_c45, struct phy_c45_device_ids *c45_ids) - { - int phy_reg; -@@ -326,7 +326,7 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, - struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) - { - struct phy_c45_device_ids c45_ids = {0}; -- u32 phy_id = 0; -+ int phy_id = 0; - int r; - - r = get_phy_id(bus, addr, &phy_id, is_c45, &c45_ids); -diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c -index 9d15566..5ad4ef6 100644 ---- a/drivers/net/ppp/ppp_generic.c -+++ b/drivers/net/ppp/ppp_generic.c -@@ -1022,7 +1022,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data; - struct ppp_stats stats; - struct ppp_comp_stats cstats; -- char *vers; - - switch (cmd) { - case SIOCGPPPSTATS: -@@ -1044,8 +1043,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - break; - - case SIOCGPPPVER: -- vers = PPP_VERSION; -- if (copy_to_user(addr, vers, strlen(vers) + 1)) -+ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION))) - break; - err = 0; - break; -diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c -index 079f7ad..b2a2bfa7 100644 ---- a/drivers/net/slip/slhc.c -+++ b/drivers/net/slip/slhc.c -@@ -487,7 +487,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) - register struct tcphdr *thp; - register struct iphdr *ip; - register struct cstate *cs; -- int len, hdrlen; -+ long len, hdrlen; - unsigned char *cp = icp; - - /* We've got a compressed packet; read the change byte */ -diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c -index 6928448..e30c57f 100644 ---- a/drivers/net/team/team.c -+++ b/drivers/net/team/team.c -@@ -2103,7 +2103,7 @@ static unsigned int team_get_num_rx_queues(void) - return TEAM_DEFAULT_NUM_RX_QUEUES; - } - --static struct rtnl_link_ops team_link_ops __read_mostly = { -+static struct rtnl_link_ops team_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct team), - .setup = team_setup, -@@ -2893,7 +2893,7 @@ static int team_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block team_notifier_block __read_mostly = { -+static struct notifier_block team_notifier_block = { - .notifier_call = team_device_event, - }; - -diff --git a/drivers/net/tun.c b/drivers/net/tun.c -index e470ae5..e812f5e 100644 ---- a/drivers/net/tun.c -+++ b/drivers/net/tun.c -@@ -1421,7 +1421,7 @@ static int tun_validate(struct nlattr *tb[], struct nlattr *data[]) - return -EINVAL; - } - --static struct rtnl_link_ops tun_link_ops __read_mostly = { -+static struct rtnl_link_ops tun_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct tun_struct), - .setup = tun_setup, -@@ -1828,7 +1828,7 @@ unlock: - } - - static long __tun_chr_ioctl(struct file *file, unsigned int cmd, -- unsigned long arg, int ifreq_len) -+ unsigned long arg, size_t ifreq_len) - { - struct tun_file *tfile = file->private_data; - struct tun_struct *tun; -@@ -1842,6 +1842,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, - int le; - int ret; - -+ if (ifreq_len > sizeof ifr) -+ return -EFAULT; -+ - if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) { - if (copy_from_user(&ifr, argp, ifreq_len)) - return -EFAULT; -diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c -index 111d907..1ee643e 100644 ---- a/drivers/net/usb/hso.c -+++ b/drivers/net/usb/hso.c -@@ -70,7 +70,7 @@ - #include <asm/byteorder.h> - #include <linux/serial_core.h> - #include <linux/serial.h> -- -+#include <asm/local.h> - - #define MOD_AUTHOR "Option Wireless" - #define MOD_DESCRIPTION "USB High Speed Option driver" -@@ -1183,7 +1183,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) - struct urb *urb; - - urb = serial->rx_urb[0]; -- if (serial->port.count > 0) { -+ if (atomic_read(&serial->port.count) > 0) { - count = put_rxbuf_data(urb, serial); - if (count == -1) - return; -@@ -1221,7 +1221,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) - DUMP1(urb->transfer_buffer, urb->actual_length); - - /* Anyone listening? */ -- if (serial->port.count == 0) -+ if (atomic_read(&serial->port.count) == 0) - return; - - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) -@@ -1282,8 +1282,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) - tty_port_tty_set(&serial->port, tty); - - /* check for port already opened, if not set the termios */ -- serial->port.count++; -- if (serial->port.count == 1) { -+ if (atomic_inc_return(&serial->port.count) == 1) { - serial->rx_state = RX_IDLE; - /* Force default termio settings */ - _hso_serial_set_termios(tty, NULL); -@@ -1293,7 +1292,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) - result = hso_start_serial_device(serial->parent, GFP_KERNEL); - if (result) { - hso_stop_serial_device(serial->parent); -- serial->port.count--; -+ atomic_dec(&serial->port.count); - } else { - kref_get(&serial->parent->ref); - } -@@ -1331,10 +1330,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) - - /* reset the rts and dtr */ - /* do the actual close */ -- serial->port.count--; -+ atomic_dec(&serial->port.count); - -- if (serial->port.count <= 0) { -- serial->port.count = 0; -+ if (atomic_read(&serial->port.count) <= 0) { -+ atomic_set(&serial->port.count, 0); - tty_port_tty_set(&serial->port, NULL); - if (!usb_gone) - hso_stop_serial_device(serial->parent); -@@ -1417,7 +1416,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) - - /* the actual setup */ - spin_lock_irqsave(&serial->serial_lock, flags); -- if (serial->port.count) -+ if (atomic_read(&serial->port.count)) - _hso_serial_set_termios(tty, old); - else - tty->termios = *old; -@@ -1891,7 +1890,7 @@ static void intr_callback(struct urb *urb) - D1("Pending read interrupt on port %d\n", i); - spin_lock(&serial->serial_lock); - if (serial->rx_state == RX_IDLE && -- serial->port.count > 0) { -+ atomic_read(&serial->port.count) > 0) { - /* Setup and send a ctrl req read on - * port i */ - if (!serial->rx_urb_filled[0]) { -@@ -3058,7 +3057,7 @@ static int hso_resume(struct usb_interface *iface) - /* Start all serial ports */ - for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { - if (serial_table[i] && (serial_table[i]->interface == iface)) { -- if (dev2ser(serial_table[i])->port.count) { -+ if (atomic_read(&dev2ser(serial_table[i])->port.count)) { - result = - hso_start_serial_device(serial_table[i], GFP_NOIO); - hso_kick_transmit(dev2ser(serial_table[i])); -diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c -index aafa1a1..f59c651 100644 ---- a/drivers/net/usb/r8152.c -+++ b/drivers/net/usb/r8152.c -@@ -602,7 +602,7 @@ struct r8152 { - void (*unload)(struct r8152 *); - int (*eee_get)(struct r8152 *, struct ethtool_eee *); - int (*eee_set)(struct r8152 *, struct ethtool_eee *); -- } rtl_ops; -+ } __no_const rtl_ops; - - int intr_interval; - u32 saved_wolopts; -diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c -index a2515887..6d13233 100644 ---- a/drivers/net/usb/sierra_net.c -+++ b/drivers/net/usb/sierra_net.c -@@ -51,7 +51,7 @@ static const char driver_name[] = "sierra_net"; - /* atomic counter partially included in MAC address to make sure 2 devices - * do not end up with the same MAC - concept breaks in case of > 255 ifaces - */ --static atomic_t iface_counter = ATOMIC_INIT(0); -+static atomic_unchecked_t iface_counter = ATOMIC_INIT(0); - - /* - * SYNC Timer Delay definition used to set the expiry time -@@ -697,7 +697,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) - dev->net->netdev_ops = &sierra_net_device_ops; - - /* change MAC addr to include, ifacenum, and to be unique */ -- dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); -+ dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return_unchecked(&iface_counter); - dev->net->dev_addr[ETH_ALEN-1] = ifacenum; - - /* we will have to manufacture ethernet headers, prepare template */ -diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c -index 63c7810..a694d2b 100644 ---- a/drivers/net/virtio_net.c -+++ b/drivers/net/virtio_net.c -@@ -48,7 +48,7 @@ module_param(gso, bool, 0444); - #define RECEIVE_AVG_WEIGHT 64 - - /* Minimum alignment for mergeable packet buffers. */ --#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256) -+#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256UL) - - #define VIRTNET_DRIVER_VERSION "1.0.0" - -@@ -1756,9 +1756,9 @@ static int virtnet_probe(struct virtio_device *vdev) - /* Do we support "hardware" checksums? */ - if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) { - /* This opens up the world of extra features. */ -- dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; -+ dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG; - if (csum) -- dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; -+ dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG; - - if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { - dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO -diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c -index 61c0840..92e7f7e 100644 ---- a/drivers/net/vmxnet3/vmxnet3_drv.c -+++ b/drivers/net/vmxnet3/vmxnet3_drv.c -@@ -1167,7 +1167,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - static const u32 rxprod_reg[2] = { - VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2 - }; -- u32 num_rxd = 0; -+ u32 num_pkts = 0; - bool skip_page_frags = false; - struct Vmxnet3_RxCompDesc *rcd; - struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; -@@ -1185,13 +1185,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - struct Vmxnet3_RxDesc *rxd; - u32 idx, ring_idx; - struct vmxnet3_cmd_ring *ring = NULL; -- if (num_rxd >= quota) { -+ if (num_pkts >= quota) { - /* we may stop even before we see the EOP desc of - * the current pkt - */ - break; - } -- num_rxd++; - BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2); - idx = rcd->rxdIdx; - ring_idx = rcd->rqID < adapter->num_rx_queues ? 0 : 1; -@@ -1323,6 +1322,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - napi_gro_receive(&rq->napi, skb); - - ctx->skb = NULL; -+ num_pkts++; - } - - rcd_done: -@@ -1353,7 +1353,7 @@ rcd_done: - &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp); - } - -- return num_rxd; -+ return num_pkts; - } - - -diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c -index 21a0fbf..055b54f 100644 ---- a/drivers/net/vxlan.c -+++ b/drivers/net/vxlan.c -@@ -2878,7 +2878,7 @@ static struct net *vxlan_get_link_net(const struct net_device *dev) - return vxlan->net; - } - --static struct rtnl_link_ops vxlan_link_ops __read_mostly = { -+static struct rtnl_link_ops vxlan_link_ops = { - .kind = "vxlan", - .maxtype = IFLA_VXLAN_MAX, - .policy = vxlan_policy, -@@ -2926,7 +2926,7 @@ static int vxlan_lowerdev_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block vxlan_notifier_block __read_mostly = { -+static struct notifier_block vxlan_notifier_block = { - .notifier_call = vxlan_lowerdev_event, - }; - -diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c -index 5920c99..ff2e4a5 100644 ---- a/drivers/net/wan/lmc/lmc_media.c -+++ b/drivers/net/wan/lmc/lmc_media.c -@@ -95,62 +95,63 @@ static inline void write_av9110_bit (lmc_softc_t *, int); - static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32); - - lmc_media_t lmc_ds3_media = { -- lmc_ds3_init, /* special media init stuff */ -- lmc_ds3_default, /* reset to default state */ -- lmc_ds3_set_status, /* reset status to state provided */ -- lmc_dummy_set_1, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_ds3_set_100ft, /* set cable length */ -- lmc_ds3_set_scram, /* set scrambler */ -- lmc_ds3_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_ds3_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ds3_watchdog -+ .init = lmc_ds3_init, /* special media init stuff */ -+ .defaults = lmc_ds3_default, /* reset to default state */ -+ .set_status = lmc_ds3_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_dummy_set_1, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_ds3_set_100ft, /* set cable length */ -+ .set_scrambler = lmc_ds3_set_scram, /* set scrambler */ -+ .get_link_status = lmc_ds3_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_ds3_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ds3_watchdog - }; - - lmc_media_t lmc_hssi_media = { -- lmc_hssi_init, /* special media init stuff */ -- lmc_hssi_default, /* reset to default state */ -- lmc_hssi_set_status, /* reset status to state provided */ -- lmc_hssi_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_hssi_get_link_status, /* get link status */ -- lmc_hssi_set_link_status, /* set link status */ -- lmc_hssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_hssi_watchdog -+ .init = lmc_hssi_init, /* special media init stuff */ -+ .defaults = lmc_hssi_default, /* reset to default state */ -+ .set_status = lmc_hssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_hssi_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_hssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_hssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_hssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_hssi_watchdog - }; - --lmc_media_t lmc_ssi_media = { lmc_ssi_init, /* special media init stuff */ -- lmc_ssi_default, /* reset to default state */ -- lmc_ssi_set_status, /* reset status to state provided */ -- lmc_ssi_set_clock, /* set clock source */ -- lmc_ssi_set_speed, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_ssi_get_link_status, /* get link status */ -- lmc_ssi_set_link_status, /* set link status */ -- lmc_ssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ssi_watchdog -+lmc_media_t lmc_ssi_media = { -+ .init = lmc_ssi_init, /* special media init stuff */ -+ .defaults = lmc_ssi_default, /* reset to default state */ -+ .set_status = lmc_ssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_ssi_set_clock, /* set clock source */ -+ .set_speed = lmc_ssi_set_speed, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_ssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_ssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_ssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ssi_watchdog - }; - - lmc_media_t lmc_t1_media = { -- lmc_t1_init, /* special media init stuff */ -- lmc_t1_default, /* reset to default state */ -- lmc_t1_set_status, /* reset status to state provided */ -- lmc_t1_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_t1_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_t1_set_crc_length, /* set CRC length */ -- lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -- lmc_t1_watchdog -+ .init = lmc_t1_init, /* special media init stuff */ -+ .defaults = lmc_t1_default, /* reset to default state */ -+ .set_status = lmc_t1_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_t1_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_t1_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_t1_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_t1_watchdog - }; - - static void -diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c -index feacc3b..5bac0de 100644 ---- a/drivers/net/wan/z85230.c -+++ b/drivers/net/wan/z85230.c -@@ -485,9 +485,9 @@ static void z8530_status(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_sync = - { -- z8530_rx, -- z8530_tx, -- z8530_status -+ .rx = z8530_rx, -+ .tx = z8530_tx, -+ .status = z8530_status - }; - - EXPORT_SYMBOL(z8530_sync); -@@ -605,15 +605,15 @@ static void z8530_dma_status(struct z8530_channel *chan) - } - - static struct z8530_irqhandler z8530_dma_sync = { -- z8530_dma_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_dma_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - static struct z8530_irqhandler z8530_txdma_sync = { -- z8530_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - /** -@@ -680,9 +680,9 @@ static void z8530_status_clear(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_nop= - { -- z8530_rx_clear, -- z8530_tx_clear, -- z8530_status_clear -+ .rx = z8530_rx_clear, -+ .tx = z8530_tx_clear, -+ .status = z8530_status_clear - }; - - -diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c -index 0b60295..b8bfa5b 100644 ---- a/drivers/net/wimax/i2400m/rx.c -+++ b/drivers/net/wimax/i2400m/rx.c -@@ -1359,7 +1359,7 @@ int i2400m_rx_setup(struct i2400m *i2400m) - if (i2400m->rx_roq == NULL) - goto error_roq_alloc; - -- rd = kcalloc(I2400M_RO_CIN + 1, sizeof(*i2400m->rx_roq[0].log), -+ rd = kcalloc(sizeof(*i2400m->rx_roq[0].log), I2400M_RO_CIN + 1, - GFP_KERNEL); - if (rd == NULL) { - result = -ENOMEM; -diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c -index d0c97c2..108f59b 100644 ---- a/drivers/net/wireless/airo.c -+++ b/drivers/net/wireless/airo.c -@@ -7846,7 +7846,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { - struct airo_info *ai = dev->ml_priv; - int ridcode; - int enabled; -- static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); -+ int (* writer)(struct airo_info *, u16 rid, const void *, int, int); - unsigned char *iobuf; - - /* Only super-user can write RIDs */ -diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c -index 49219c5..3625441 100644 ---- a/drivers/net/wireless/at76c50x-usb.c -+++ b/drivers/net/wireless/at76c50x-usb.c -@@ -353,7 +353,7 @@ static int at76_dfu_get_state(struct usb_device *udev, u8 *state) - } - - /* Convert timeout from the DFU status to jiffies */ --static inline unsigned long at76_get_timeout(struct dfu_status *s) -+static inline unsigned long __intentional_overflow(-1) at76_get_timeout(struct dfu_status *s) - { - return msecs_to_jiffies((s->poll_timeout[2] << 16) - | (s->poll_timeout[1] << 8) -diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c -index 2fd9e18..3f55bdd 100644 ---- a/drivers/net/wireless/ath/ath10k/htc.c -+++ b/drivers/net/wireless/ath/ath10k/htc.c -@@ -849,7 +849,10 @@ int ath10k_htc_start(struct ath10k_htc *htc) - /* registered target arrival callback from the HIF layer */ - int ath10k_htc_init(struct ath10k *ar) - { -- struct ath10k_hif_cb htc_callbacks; -+ static struct ath10k_hif_cb htc_callbacks = { -+ .rx_completion = ath10k_htc_rx_completion_handler, -+ .tx_completion = ath10k_htc_tx_completion_handler, -+ }; - struct ath10k_htc_ep *ep = NULL; - struct ath10k_htc *htc = &ar->htc; - -@@ -858,8 +861,6 @@ int ath10k_htc_init(struct ath10k *ar) - ath10k_htc_reset_endpoint_states(htc); - - /* setup HIF layer callbacks */ -- htc_callbacks.rx_completion = ath10k_htc_rx_completion_handler; -- htc_callbacks.tx_completion = ath10k_htc_tx_completion_handler; - htc->ar = ar; - - /* Get HIF default pipe for HTC message exchange */ -diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h -index 527179c..a890150 100644 ---- a/drivers/net/wireless/ath/ath10k/htc.h -+++ b/drivers/net/wireless/ath/ath10k/htc.h -@@ -270,13 +270,13 @@ enum ath10k_htc_ep_id { - - struct ath10k_htc_ops { - void (*target_send_suspend_complete)(struct ath10k *ar); --}; -+} __no_const; - - struct ath10k_htc_ep_ops { - void (*ep_tx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_rx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_tx_credits)(struct ath10k *); --}; -+} __no_const; - - /* service connection information */ - struct ath10k_htc_svc_conn_req { -diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -index f816909..e56cd8b 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -@@ -220,8 +220,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - ads->ds_txstatus6 = ads->ds_txstatus7 = 0; - ads->ds_txstatus8 = ads->ds_txstatus9 = 0; - -- ACCESS_ONCE(ads->ds_link) = i->link; -- ACCESS_ONCE(ads->ds_data) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->ds_link) = i->link; -+ ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0]; - - ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore); - ctl6 = SM(i->keytype, AR_EncrType); -@@ -235,26 +235,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - if ((i->is_first || i->is_last) && - i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) { -- ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ds_ctl2) = 0; -- ACCESS_ONCE(ads->ds_ctl3) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl2) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl3) = 0; - } - - if (!i->is_first) { -- ACCESS_ONCE(ads->ds_ctl0) = 0; -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl0) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - return; - } - -@@ -279,7 +279,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - break; - } - -- ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -289,27 +289,27 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable : - (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0)); - -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - - if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST) - return; - -- ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); - } - - static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds, -diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -index da84b70..83e4978 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - (i->qcu << AR_TxQcuNum_S) | desc_len; - - checksum += val; -- ACCESS_ONCE(ads->info) = val; -+ ACCESS_ONCE_RW(ads->info) = val; - - checksum += i->link; -- ACCESS_ONCE(ads->link) = i->link; -+ ACCESS_ONCE_RW(ads->link) = i->link; - - checksum += i->buf_addr[0]; -- ACCESS_ONCE(ads->data0) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0]; - checksum += i->buf_addr[1]; -- ACCESS_ONCE(ads->data1) = i->buf_addr[1]; -+ ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1]; - checksum += i->buf_addr[2]; -- ACCESS_ONCE(ads->data2) = i->buf_addr[2]; -+ ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2]; - checksum += i->buf_addr[3]; -- ACCESS_ONCE(ads->data3) = i->buf_addr[3]; -+ ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3]; - - checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl3) = val; -+ ACCESS_ONCE_RW(ads->ctl3) = val; - checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl5) = val; -+ ACCESS_ONCE_RW(ads->ctl5) = val; - checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl7) = val; -+ ACCESS_ONCE_RW(ads->ctl7) = val; - checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl9) = val; -+ ACCESS_ONCE_RW(ads->ctl9) = val; - - checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff); -- ACCESS_ONCE(ads->ctl10) = checksum; -+ ACCESS_ONCE_RW(ads->ctl10) = checksum; - - if (i->is_first || i->is_last) { -- ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ctl13) = 0; -- ACCESS_ONCE(ads->ctl14) = 0; -+ ACCESS_ONCE_RW(ads->ctl13) = 0; -+ ACCESS_ONCE_RW(ads->ctl14) = 0; - } - - ads->ctl20 = 0; -@@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - ctl17 = SM(i->keytype, AR_EncrType); - if (!i->is_first) { -- ACCESS_ONCE(ads->ctl11) = 0; -- ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -- ACCESS_ONCE(ads->ctl15) = 0; -- ACCESS_ONCE(ads->ctl16) = 0; -- ACCESS_ONCE(ads->ctl17) = ctl17; -- ACCESS_ONCE(ads->ctl18) = 0; -- ACCESS_ONCE(ads->ctl19) = 0; -+ ACCESS_ONCE_RW(ads->ctl11) = 0; -+ ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -+ ACCESS_ONCE_RW(ads->ctl15) = 0; -+ ACCESS_ONCE_RW(ads->ctl16) = 0; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl18) = 0; -+ ACCESS_ONCE_RW(ads->ctl19) = 0; - return; - } - -- ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -135,26 +135,26 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S; - ctl12 |= SM(val, AR_PAPRDChainMask); - -- ACCESS_ONCE(ads->ctl12) = ctl12; -- ACCESS_ONCE(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl12) = ctl12; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; - -- ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding; -+ ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding; - -- ACCESS_ONCE(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); - } - - static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads) -diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h -index c1d2d03..08352db 100644 ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -671,7 +671,7 @@ struct ath_hw_private_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - bool (*is_aic_enabled)(struct ath_hw *ah); - #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ --}; -+} __no_const; - - /** - * struct ath_spec_scan - parameters for Atheros spectral scan -@@ -747,7 +747,7 @@ struct ath_hw_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - void (*set_bt_ant_diversity)(struct ath_hw *hw, bool enable); - #endif --}; -+} __no_const; - - struct ath_nf_limits { - s16 max; -diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c -index d5f2fbf..0740c8b 100644 ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -2575,16 +2575,18 @@ void ath9k_fill_chanctx_ops(void) - if (!ath9k_is_chanctx_enabled()) - return; - -- ath9k_ops.hw_scan = ath9k_hw_scan; -- ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan; -- ath9k_ops.remain_on_channel = ath9k_remain_on_channel; -- ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel; -- ath9k_ops.add_chanctx = ath9k_add_chanctx; -- ath9k_ops.remove_chanctx = ath9k_remove_chanctx; -- ath9k_ops.change_chanctx = ath9k_change_chanctx; -- ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx; -- ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx; -- ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx; -+ pax_open_kernel(); -+ *(void **)&ath9k_ops.hw_scan = ath9k_hw_scan; -+ *(void **)&ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan; -+ *(void **)&ath9k_ops.remain_on_channel = ath9k_remain_on_channel; -+ *(void **)&ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel; -+ *(void **)&ath9k_ops.add_chanctx = ath9k_add_chanctx; -+ *(void **)&ath9k_ops.remove_chanctx = ath9k_remove_chanctx; -+ *(void **)&ath9k_ops.change_chanctx = ath9k_change_chanctx; -+ *(void **)&ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx; -+ *(void **)&ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx; -+ *(void **)&ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx; -+ pax_close_kernel(); - } - - #endif -diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c -index 058a9f2..d5cb1ba 100644 ---- a/drivers/net/wireless/b43/phy_lp.c -+++ b/drivers/net/wireless/b43/phy_lp.c -@@ -2502,7 +2502,7 @@ static int lpphy_b2063_tune(struct b43_wldev *dev, - { - struct ssb_bus *bus = dev->dev->sdev->bus; - -- static const struct b206x_channel *chandata = NULL; -+ const struct b206x_channel *chandata = NULL; - u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000; - u32 freqref, vco_freq, val1, val2, val3, timeout, timeoutref, count; - u16 old_comm15, scale; -diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c -index e566580..2c218ca 100644 ---- a/drivers/net/wireless/iwlegacy/3945-mac.c -+++ b/drivers/net/wireless/iwlegacy/3945-mac.c -@@ -3631,7 +3631,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - */ - if (il3945_mod_params.disable_hw_scan) { - D_INFO("Disabling hw_scan\n"); -- il3945_mac_ops.hw_scan = NULL; -+ pax_open_kernel(); -+ *(void **)&il3945_mac_ops.hw_scan = NULL; -+ pax_close_kernel(); - } - - D_INFO("*** LOAD DRIVER ***\n"); -diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c -index 0ffb6ff..c0b7f0e 100644 ---- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c -+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c -@@ -188,7 +188,7 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[64]; -- int buf_size; -+ size_t buf_size; - u32 offset, len; - - memset(buf, 0, sizeof(buf)); -@@ -458,7 +458,7 @@ static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, - struct iwl_priv *priv = file->private_data; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -539,7 +539,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int ht40; - - memset(buf, 0, sizeof(buf)); -@@ -591,7 +591,7 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int value; - - memset(buf, 0, sizeof(buf)); -@@ -683,10 +683,10 @@ DEBUGFS_READ_FILE_OPS(temperature); - DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); - DEBUGFS_READ_FILE_OPS(current_sleep_command); - --static const char *fmt_value = " %-30s %10u\n"; --static const char *fmt_hex = " %-30s 0x%02X\n"; --static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; --static const char *fmt_header = -+static const char fmt_value[] = " %-30s %10u\n"; -+static const char fmt_hex[] = " %-30s 0x%02X\n"; -+static const char fmt_table[] = " %-30s %10u %10u %10u %10u\n"; -+static const char fmt_header[] = - "%-32s current cumulative delta max\n"; - - static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) -@@ -1856,7 +1856,7 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int clear; - - memset(buf, 0, sizeof(buf)); -@@ -1901,7 +1901,7 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int trace; - - memset(buf, 0, sizeof(buf)); -@@ -1972,7 +1972,7 @@ static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int missed; - - memset(buf, 0, sizeof(buf)); -@@ -2013,7 +2013,7 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int plcp; - - memset(buf, 0, sizeof(buf)); -@@ -2073,7 +2073,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int flush; - - memset(buf, 0, sizeof(buf)); -@@ -2163,7 +2163,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int rts; - - if (!priv->cfg->ht_params) -@@ -2204,7 +2204,7 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -@@ -2238,7 +2238,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file, - struct iwl_priv *priv = file->private_data; - u32 event_log_flag; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - /* check that the interface is up */ - if (!iwl_is_ready(priv)) -@@ -2292,7 +2292,7 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, - struct iwl_priv *priv = file->private_data; - char buf[8]; - u32 calib_disabled; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c -index 699a480..1801fc3 100644 ---- a/drivers/net/wireless/iwlwifi/pcie/trans.c -+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c -@@ -1935,7 +1935,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, - struct isr_statistics *isr_stats = &trans_pcie->isr_stats; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -1956,7 +1956,7 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file, - { - struct iwl_trans *trans = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int csr; - - memset(buf, 0, sizeof(buf)); -diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c -index d5c0a1a..d056b20 100644 ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -3149,20 +3149,20 @@ static int __init init_mac80211_hwsim(void) - if (channels < 1) - return -EINVAL; - -- mac80211_hwsim_mchan_ops = mac80211_hwsim_ops; -- mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; -- mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -- mac80211_hwsim_mchan_ops.sw_scan_start = NULL; -- mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; -- mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; -- mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -- mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; -- mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -- mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; -- mac80211_hwsim_mchan_ops.assign_vif_chanctx = -- mac80211_hwsim_assign_vif_chanctx; -- mac80211_hwsim_mchan_ops.unassign_vif_chanctx = -- mac80211_hwsim_unassign_vif_chanctx; -+ pax_open_kernel(); -+ memcpy((void *)&mac80211_hwsim_mchan_ops, &mac80211_hwsim_ops, sizeof mac80211_hwsim_mchan_ops); -+ *(void **)&mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; -+ *(void **)&mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -+ *(void **)&mac80211_hwsim_mchan_ops.sw_scan_start = NULL; -+ *(void **)&mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; -+ *(void **)&mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; -+ *(void **)&mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -+ *(void **)&mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.assign_vif_chanctx = mac80211_hwsim_assign_vif_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.unassign_vif_chanctx = mac80211_hwsim_unassign_vif_chanctx; -+ pax_close_kernel(); - - spin_lock_init(&hwsim_radio_lock); - INIT_LIST_HEAD(&hwsim_radios); -diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c -index d72ff8e..c209a45 100644 ---- a/drivers/net/wireless/rndis_wlan.c -+++ b/drivers/net/wireless/rndis_wlan.c -@@ -1236,7 +1236,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) - - netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); - -- if (rts_threshold < 0 || rts_threshold > 2347) -+ if (rts_threshold > 2347) - rts_threshold = 2347; - - tmp = cpu_to_le32(rts_threshold); -diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h -index 9bb398b..b0cc047 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00.h -+++ b/drivers/net/wireless/rt2x00/rt2x00.h -@@ -375,7 +375,7 @@ struct rt2x00_intf { - * for hardware which doesn't support hardware - * sequence counting. - */ -- atomic_t seqno; -+ atomic_unchecked_t seqno; - }; - - static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) -diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c -index 68b620b..92ecd9e 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c -@@ -224,9 +224,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, - * sequence counter given by mac80211. - */ - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) -- seqno = atomic_add_return(0x10, &intf->seqno); -+ seqno = atomic_add_return_unchecked(0x10, &intf->seqno); - else -- seqno = atomic_read(&intf->seqno); -+ seqno = atomic_read_unchecked(&intf->seqno); - - hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(seqno); -diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c -index b661f896..ddf7d2b 100644 ---- a/drivers/net/wireless/ti/wl1251/sdio.c -+++ b/drivers/net/wireless/ti/wl1251/sdio.c -@@ -282,13 +282,17 @@ static int wl1251_sdio_probe(struct sdio_func *func, - - irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - -- wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; -- wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; -+ pax_open_kernel(); -+ *(void **)&wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; -+ *(void **)&wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; -+ pax_close_kernel(); - - wl1251_info("using dedicated interrupt line"); - } else { -- wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; -- wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; -+ pax_open_kernel(); -+ *(void **)&wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; -+ *(void **)&wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; -+ pax_close_kernel(); - - wl1251_info("using SDIO interrupt"); - } -diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c -index af0fe2e..d04986b 100644 ---- a/drivers/net/wireless/ti/wl12xx/main.c -+++ b/drivers/net/wireless/ti/wl12xx/main.c -@@ -655,7 +655,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ *(void **)&wl->ops->prepare_read = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -@@ -680,7 +682,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ *(void **)&wl->ops->prepare_read = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c -index 717c4f5..a813aeb 100644 ---- a/drivers/net/wireless/ti/wl18xx/main.c -+++ b/drivers/net/wireless/ti/wl18xx/main.c -@@ -1923,8 +1923,10 @@ static int wl18xx_setup(struct wl1271 *wl) - } - - if (!checksum_param) { -- wl18xx_ops.set_rx_csum = NULL; -- wl18xx_ops.init_vif = NULL; -+ pax_open_kernel(); -+ *(void **)&wl18xx_ops.set_rx_csum = NULL; -+ *(void **)&wl18xx_ops.init_vif = NULL; -+ pax_close_kernel(); - } - - /* Enable 11a Band only if we have 5G antennas */ -diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c -index a912dc0..a8225ba 100644 ---- a/drivers/net/wireless/zd1211rw/zd_usb.c -+++ b/drivers/net/wireless/zd1211rw/zd_usb.c -@@ -385,7 +385,7 @@ static inline void handle_regs_int(struct urb *urb) - { - struct zd_usb *usb = urb->context; - struct zd_usb_interrupt *intr = &usb->intr; -- int len; -+ unsigned int len; - u16 int_num; - - ZD_ASSERT(in_interrupt()); -diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c -index 0d25943..0866c5d 100644 ---- a/drivers/net/xen-netback/netback.c -+++ b/drivers/net/xen-netback/netback.c -@@ -1571,13 +1571,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) - smp_rmb(); - - while (dc != dp) { -- BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS); -+ BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS); - pending_idx = - queue->dealloc_ring[pending_index(dc++)]; - -- pending_idx_release[gop-queue->tx_unmap_ops] = -+ pending_idx_release[gop - queue->tx_unmap_ops] = - pending_idx; -- queue->pages_to_unmap[gop-queue->tx_unmap_ops] = -+ queue->pages_to_unmap[gop - queue->tx_unmap_ops] = - queue->mmap_pages[pending_idx]; - gnttab_set_unmap_op(gop, - idx_to_kaddr(queue, pending_idx), -diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c -index ce2e2cf..f81e500 100644 ---- a/drivers/nfc/nfcwilink.c -+++ b/drivers/nfc/nfcwilink.c -@@ -497,7 +497,7 @@ static struct nci_ops nfcwilink_ops = { - - static int nfcwilink_probe(struct platform_device *pdev) - { -- static struct nfcwilink *drv; -+ struct nfcwilink *drv; - int rc; - __u32 protocols; - -diff --git a/drivers/nfc/st21nfca/st21nfca.c b/drivers/nfc/st21nfca/st21nfca.c -index d251f72..0512865 100644 ---- a/drivers/nfc/st21nfca/st21nfca.c -+++ b/drivers/nfc/st21nfca/st21nfca.c -@@ -148,14 +148,14 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - ST21NFCA_DEVICE_MGNT_GATE, - ST21NFCA_DEVICE_MGNT_PIPE); - if (r < 0) -- goto free_info; -+ return r; - - /* Get pipe list */ - r = nfc_hci_send_cmd(hdev, ST21NFCA_DEVICE_MGNT_GATE, - ST21NFCA_DM_GETINFO, pipe_list, sizeof(pipe_list), - &skb_pipe_list); - if (r < 0) -- goto free_info; -+ return r; - - /* Complete the existing gate_pipe table */ - for (i = 0; i < skb_pipe_list->len; i++) { -@@ -181,6 +181,7 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - info->src_host_id != ST21NFCA_ESE_HOST_ID) { - pr_err("Unexpected apdu_reader pipe on host %x\n", - info->src_host_id); -+ kfree_skb(skb_pipe_info); - continue; - } - -@@ -200,6 +201,7 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - hdev->pipes[st21nfca_gates[j].pipe].dest_host = - info->src_host_id; - } -+ kfree_skb(skb_pipe_info); - } - - /* -@@ -214,13 +216,12 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - st21nfca_gates[i].gate, - st21nfca_gates[i].pipe); - if (r < 0) -- goto free_info; -+ goto free_list; - } - } - - memcpy(hdev->init_data.gates, st21nfca_gates, sizeof(st21nfca_gates)); --free_info: -- kfree_skb(skb_pipe_info); -+free_list: - kfree_skb(skb_pipe_list); - return r; - } -diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c -index cde35c5d01..2dbfdbbf 100644 ---- a/drivers/of/fdt.c -+++ b/drivers/of/fdt.c -@@ -1136,7 +1136,9 @@ static int __init of_fdt_raw_init(void) - pr_warn("fdt: not creating '/sys/firmware/fdt': CRC check failed\n"); - return 0; - } -- of_fdt_raw_attr.size = fdt_totalsize(initial_boot_params); -+ pax_open_kernel(); -+ *(size_t *)&of_fdt_raw_attr.size = fdt_totalsize(initial_boot_params); -+ pax_close_kernel(); - return sysfs_create_bin_file(firmware_kobj, &of_fdt_raw_attr); - } - late_initcall(of_fdt_raw_init); -diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c -index 82f7000..d6d0447 100644 ---- a/drivers/oprofile/buffer_sync.c -+++ b/drivers/oprofile/buffer_sync.c -@@ -345,7 +345,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm) - if (cookie == NO_COOKIE) - offset = pc; - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - offset = pc; - } - if (cookie != last_cookie) { -@@ -389,14 +389,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel) - /* add userspace sample */ - - if (!mm) { -- atomic_inc(&oprofile_stats.sample_lost_no_mm); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm); - return 0; - } - - cookie = lookup_dcookie(mm, s->eip, &offset); - - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - return 0; - } - -@@ -554,7 +554,7 @@ void sync_buffer(int cpu) - /* ignore backtraces if failed to add a sample */ - if (state == sb_bt_start) { - state = sb_bt_ignore; -- atomic_inc(&oprofile_stats.bt_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping); - } - } - release_mm(mm); -diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c -index c0cc4e7..44d4e54 100644 ---- a/drivers/oprofile/event_buffer.c -+++ b/drivers/oprofile/event_buffer.c -@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value) - } - - if (buffer_pos == buffer_size) { -- atomic_inc(&oprofile_stats.event_lost_overflow); -+ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow); - return; - } - -diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c -index ed2c3ec..deda85a 100644 ---- a/drivers/oprofile/oprof.c -+++ b/drivers/oprofile/oprof.c -@@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work) - if (oprofile_ops.switch_events()) - return; - -- atomic_inc(&oprofile_stats.multiplex_counter); -+ atomic_inc_unchecked(&oprofile_stats.multiplex_counter); - start_switch_worker(); - } - -diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c -index ee2cfce..7f8f699 100644 ---- a/drivers/oprofile/oprofile_files.c -+++ b/drivers/oprofile/oprofile_files.c -@@ -27,7 +27,7 @@ unsigned long oprofile_time_slice; - - #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX - --static ssize_t timeout_read(struct file *file, char __user *buf, -+static ssize_t __intentional_overflow(-1) timeout_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) - { - return oprofilefs_ulong_to_user(jiffies_to_msecs(oprofile_time_slice), -diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c -index 59659ce..6c860a0 100644 ---- a/drivers/oprofile/oprofile_stats.c -+++ b/drivers/oprofile/oprofile_stats.c -@@ -30,11 +30,11 @@ void oprofile_reset_stats(void) - cpu_buf->sample_invalid_eip = 0; - } - -- atomic_set(&oprofile_stats.sample_lost_no_mm, 0); -- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.event_lost_overflow, 0); -- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.multiplex_counter, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0); -+ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0); - } - - -diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h -index 1fc622b..8c48fc3 100644 ---- a/drivers/oprofile/oprofile_stats.h -+++ b/drivers/oprofile/oprofile_stats.h -@@ -13,11 +13,11 @@ - #include <linux/atomic.h> - - struct oprofile_stat_struct { -- atomic_t sample_lost_no_mm; -- atomic_t sample_lost_no_mapping; -- atomic_t bt_lost_no_mapping; -- atomic_t event_lost_overflow; -- atomic_t multiplex_counter; -+ atomic_unchecked_t sample_lost_no_mm; -+ atomic_unchecked_t sample_lost_no_mapping; -+ atomic_unchecked_t bt_lost_no_mapping; -+ atomic_unchecked_t event_lost_overflow; -+ atomic_unchecked_t multiplex_counter; - }; - - extern struct oprofile_stat_struct oprofile_stats; -diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c -index dd92c5e..dfc04b5 100644 ---- a/drivers/oprofile/oprofilefs.c -+++ b/drivers/oprofile/oprofilefs.c -@@ -176,8 +176,8 @@ int oprofilefs_create_ro_ulong(struct dentry *root, - - static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset) - { -- atomic_t *val = file->private_data; -- return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset); -+ atomic_unchecked_t *val = file->private_data; -+ return oprofilefs_ulong_to_user(atomic_read_unchecked(val), buf, count, offset); - } - - -@@ -189,7 +189,7 @@ static const struct file_operations atomic_ro_fops = { - - - int oprofilefs_create_ro_atomic(struct dentry *root, -- char const *name, atomic_t *val) -+ char const *name, atomic_unchecked_t *val) - { - return __oprofilefs_create_file(root, name, - &atomic_ro_fops, 0444, val); -diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c -index bdef916..88c7dee 100644 ---- a/drivers/oprofile/timer_int.c -+++ b/drivers/oprofile/timer_int.c -@@ -93,7 +93,7 @@ static int oprofile_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata oprofile_cpu_notifier = { -+static struct notifier_block oprofile_cpu_notifier = { - .notifier_call = oprofile_cpu_notify, - }; - -diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c -index 3b47080..6cd05dd 100644 ---- a/drivers/parport/procfs.c -+++ b/drivers/parport/procfs.c -@@ -64,7 +64,7 @@ static int do_active_device(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user(result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0; - } - - #ifdef CONFIG_PARPORT_1284 -@@ -106,7 +106,7 @@ static int do_autoprobe(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user (result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0; - } - #endif /* IEEE1284.3 support. */ - -diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c -index ba46e58..90cfc24 100644 ---- a/drivers/pci/host/pci-host-generic.c -+++ b/drivers/pci/host/pci-host-generic.c -@@ -26,9 +26,9 @@ - #include <linux/platform_device.h> - - struct gen_pci_cfg_bus_ops { -+ struct pci_ops ops; - u32 bus_shift; -- void __iomem *(*map_bus)(struct pci_bus *, unsigned int, int); --}; -+} __do_const; - - struct gen_pci_cfg_windows { - struct resource res; -@@ -56,8 +56,12 @@ static void __iomem *gen_pci_map_cfg_bus_cam(struct pci_bus *bus, - } - - static struct gen_pci_cfg_bus_ops gen_pci_cfg_cam_bus_ops = { -+ .ops = { -+ .map_bus = gen_pci_map_cfg_bus_cam, -+ .read = pci_generic_config_read, -+ .write = pci_generic_config_write, -+ }, - .bus_shift = 16, -- .map_bus = gen_pci_map_cfg_bus_cam, - }; - - static void __iomem *gen_pci_map_cfg_bus_ecam(struct pci_bus *bus, -@@ -72,13 +76,12 @@ static void __iomem *gen_pci_map_cfg_bus_ecam(struct pci_bus *bus, - } - - static struct gen_pci_cfg_bus_ops gen_pci_cfg_ecam_bus_ops = { -+ .ops = { -+ .map_bus = gen_pci_map_cfg_bus_ecam, -+ .read = pci_generic_config_read, -+ .write = pci_generic_config_write, -+ }, - .bus_shift = 20, -- .map_bus = gen_pci_map_cfg_bus_ecam, --}; -- --static struct pci_ops gen_pci_ops = { -- .read = pci_generic_config_read, -- .write = pci_generic_config_write, - }; - - static const struct of_device_id gen_pci_of_match[] = { -@@ -219,7 +222,6 @@ static int gen_pci_probe(struct platform_device *pdev) - .private_data = (void **)&pci, - .setup = gen_pci_setup, - .map_irq = of_irq_parse_and_map_pci, -- .ops = &gen_pci_ops, - }; - - if (!pci) -@@ -241,7 +243,7 @@ static int gen_pci_probe(struct platform_device *pdev) - - of_id = of_match_node(gen_pci_of_match, np); - pci->cfg.ops = of_id->data; -- gen_pci_ops.map_bus = pci->cfg.ops->map_bus; -+ hw.ops = &pci->cfg.ops->ops; - pci->host.dev.parent = dev; - INIT_LIST_HEAD(&pci->host.windows); - INIT_LIST_HEAD(&pci->resources); -diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c -index 6ca2399..68d866b 100644 ---- a/drivers/pci/hotplug/acpiphp_ibm.c -+++ b/drivers/pci/hotplug/acpiphp_ibm.c -@@ -452,7 +452,9 @@ static int __init ibm_acpiphp_init(void) - goto init_cleanup; - } - -- ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL); -+ pax_open_kernel(); -+ *(size_t *)&ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL); -+ pax_close_kernel(); - retval = sysfs_create_bin_file(sysdir, &ibm_apci_table_attr); - - return retval; -diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c -index 66b7bbe..26bee78 100644 ---- a/drivers/pci/hotplug/cpcihp_generic.c -+++ b/drivers/pci/hotplug/cpcihp_generic.c -@@ -73,7 +73,6 @@ static u16 port; - static unsigned int enum_bit; - static u8 enum_mask; - --static struct cpci_hp_controller_ops generic_hpc_ops; - static struct cpci_hp_controller generic_hpc; - - static int __init validate_parameters(void) -@@ -139,6 +138,10 @@ static int query_enum(void) - return ((value & enum_mask) == enum_mask); - } - -+static struct cpci_hp_controller_ops generic_hpc_ops = { -+ .query_enum = query_enum, -+}; -+ - static int __init cpcihp_generic_init(void) - { - int status; -@@ -165,7 +168,6 @@ static int __init cpcihp_generic_init(void) - pci_dev_put(dev); - - memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller)); -- generic_hpc_ops.query_enum = query_enum; - generic_hpc.ops = &generic_hpc_ops; - - status = cpci_hp_register_controller(&generic_hpc); -diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c -index 7ecf34e..effed62 100644 ---- a/drivers/pci/hotplug/cpcihp_zt5550.c -+++ b/drivers/pci/hotplug/cpcihp_zt5550.c -@@ -59,7 +59,6 @@ - /* local variables */ - static bool debug; - static bool poll; --static struct cpci_hp_controller_ops zt5550_hpc_ops; - static struct cpci_hp_controller zt5550_hpc; - - /* Primary cPCI bus bridge device */ -@@ -204,6 +203,10 @@ static int zt5550_hc_disable_irq(void) - return 0; - } - -+static struct cpci_hp_controller_ops zt5550_hpc_ops = { -+ .query_enum = zt5550_hc_query_enum, -+}; -+ - static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) - { - int status; -@@ -215,16 +218,17 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id - dbg("returned from zt5550_hc_config"); - - memset(&zt5550_hpc, 0, sizeof (struct cpci_hp_controller)); -- zt5550_hpc_ops.query_enum = zt5550_hc_query_enum; - zt5550_hpc.ops = &zt5550_hpc_ops; - if (!poll) { - zt5550_hpc.irq = hc_dev->irq; - zt5550_hpc.irq_flags = IRQF_SHARED; - zt5550_hpc.dev_id = hc_dev; - -- zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq; -- zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq; -- zt5550_hpc_ops.check_irq = zt5550_hc_check_irq; -+ pax_open_kernel(); -+ *(void **)&zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq; -+ *(void **)&zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq; -+ *(void **)&zt5550_hpc_ops.check_irq = zt5550_hc_check_irq; -+ pax_open_kernel(); - } else { - info("using ENUM# polling mode"); - } -diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c -index 1e08ff8c..3cd145f 100644 ---- a/drivers/pci/hotplug/cpqphp_nvram.c -+++ b/drivers/pci/hotplug/cpqphp_nvram.c -@@ -425,8 +425,10 @@ static u32 store_HRT (void __iomem *rom_start) - - void compaq_nvram_init (void __iomem *rom_start) - { -+#ifndef CONFIG_PAX_KERNEXEC - if (rom_start) - compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR); -+#endif - - dbg("int15 entry = %p\n", compaq_int15_entry_point); - -diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c -index 56d8486..f26113f 100644 ---- a/drivers/pci/hotplug/pci_hotplug_core.c -+++ b/drivers/pci/hotplug/pci_hotplug_core.c -@@ -436,8 +436,10 @@ int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, - return -EINVAL; - } - -- slot->ops->owner = owner; -- slot->ops->mod_name = mod_name; -+ pax_open_kernel(); -+ *(struct module **)&slot->ops->owner = owner; -+ *(const char **)&slot->ops->mod_name = mod_name; -+ pax_close_kernel(); - - mutex_lock(&pci_hp_mutex); - /* -diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c -index 07aa722..84514b4 100644 ---- a/drivers/pci/hotplug/pciehp_core.c -+++ b/drivers/pci/hotplug/pciehp_core.c -@@ -92,7 +92,7 @@ static int init_slot(struct controller *ctrl) - struct slot *slot = ctrl->slot; - struct hotplug_slot *hotplug = NULL; - struct hotplug_slot_info *info = NULL; -- struct hotplug_slot_ops *ops = NULL; -+ hotplug_slot_ops_no_const *ops = NULL; - char name[SLOT_NAME_SIZE]; - int retval = -ENOMEM; - -diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c -index c3e7dfc..cbd9625 100644 ---- a/drivers/pci/msi.c -+++ b/drivers/pci/msi.c -@@ -513,8 +513,8 @@ static int populate_msi_sysfs(struct pci_dev *pdev) - { - struct attribute **msi_attrs; - struct attribute *msi_attr; -- struct device_attribute *msi_dev_attr; -- struct attribute_group *msi_irq_group; -+ device_attribute_no_const *msi_dev_attr; -+ attribute_group_no_const *msi_irq_group; - const struct attribute_group **msi_irq_groups; - struct msi_desc *entry; - int ret = -ENOMEM; -@@ -573,7 +573,7 @@ error_attrs: - count = 0; - msi_attr = msi_attrs[count]; - while (msi_attr) { -- msi_dev_attr = container_of(msi_attr, struct device_attribute, attr); -+ msi_dev_attr = container_of(msi_attr, device_attribute_no_const, attr); - kfree(msi_attr->name); - kfree(msi_dev_attr); - ++count; -diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c -index 312f23a..d21181c 100644 ---- a/drivers/pci/pci-sysfs.c -+++ b/drivers/pci/pci-sysfs.c -@@ -1140,7 +1140,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) - { - /* allocate attribute structure, piggyback attribute name */ - int name_len = write_combine ? 13 : 10; -- struct bin_attribute *res_attr; -+ bin_attribute_no_const *res_attr; - int retval; - - res_attr = kzalloc(sizeof(*res_attr) + name_len, GFP_ATOMIC); -@@ -1317,7 +1317,7 @@ static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_stor - static int pci_create_capabilities_sysfs(struct pci_dev *dev) - { - int retval; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - /* If the device has VPD, try to expose it in sysfs. */ - if (dev->vpd) { -@@ -1364,7 +1364,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev) - { - int retval; - int rom_size = 0; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - if (!sysfs_initialized) - return -EACCES; -diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h -index 9bd762c2..6fb9504 100644 ---- a/drivers/pci/pci.h -+++ b/drivers/pci/pci.h -@@ -99,7 +99,7 @@ struct pci_vpd_ops { - struct pci_vpd { - unsigned int len; - const struct pci_vpd_ops *ops; -- struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ -+ bin_attribute_no_const *attr; /* descriptor for sysfs VPD entry */ - }; - - int pci_vpd_pci22_init(struct pci_dev *dev); -diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c -index 7d4fcdc..2f6d8f8 100644 ---- a/drivers/pci/pcie/aspm.c -+++ b/drivers/pci/pcie/aspm.c -@@ -27,9 +27,9 @@ - #define MODULE_PARAM_PREFIX "pcie_aspm." - - /* Note: those are not register definitions */ --#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */ --#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */ --#define ASPM_STATE_L1 (4) /* L1 state */ -+#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */ -+#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */ -+#define ASPM_STATE_L1 (4U) /* L1 state */ - #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW) - #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1) - -diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c -index be35da2..ec16cdb 100644 ---- a/drivers/pci/pcie/portdrv_pci.c -+++ b/drivers/pci/pcie/portdrv_pci.c -@@ -324,7 +324,7 @@ static int __init dmi_pcie_pme_disable_msi(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pcie_portdrv_dmi_table[] = { -+static const struct dmi_system_id __initconst pcie_portdrv_dmi_table[] = { - /* - * Boxes that should not use MSI for PCIe PME signaling. - */ -diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c -index c911857..56f3f9d 100644 ---- a/drivers/pci/probe.c -+++ b/drivers/pci/probe.c -@@ -176,7 +176,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, - u16 orig_cmd; - struct pci_bus_region region, inverted_region; - -- mask = type ? PCI_ROM_ADDRESS_MASK : ~0; -+ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0; - - /* No printks while decoding is disabled! */ - if (!dev->mmio_always_on) { -diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c -index 3f155e7..0f4b1f0 100644 ---- a/drivers/pci/proc.c -+++ b/drivers/pci/proc.c -@@ -434,7 +434,16 @@ static const struct file_operations proc_bus_pci_dev_operations = { - static int __init pci_proc_init(void) - { - struct pci_dev *dev = NULL; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_bus_pci_dir = proc_mkdir("bus/pci", NULL); -+#endif - proc_create("devices", 0, proc_bus_pci_dir, - &proc_bus_pci_dev_operations); - proc_initialized = 1; -diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c -index 3474920..acc9581 100644 ---- a/drivers/platform/chrome/chromeos_pstore.c -+++ b/drivers/platform/chrome/chromeos_pstore.c -@@ -13,7 +13,7 @@ - #include <linux/platform_device.h> - #include <linux/pstore_ram.h> - --static struct dmi_system_id chromeos_pstore_dmi_table[] __initdata = { -+static const struct dmi_system_id chromeos_pstore_dmi_table[] __initconst = { - { - /* - * Today all Chromebooks/boxes ship with Google_* as version and -diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c -index 1e1e594..8fe59c5 100644 ---- a/drivers/platform/x86/alienware-wmi.c -+++ b/drivers/platform/x86/alienware-wmi.c -@@ -150,7 +150,7 @@ struct wmax_led_args { - } __packed; - - static struct platform_device *platform_device; --static struct device_attribute *zone_dev_attrs; -+static device_attribute_no_const *zone_dev_attrs; - static struct attribute **zone_attrs; - static struct platform_zone *zone_data; - -@@ -160,7 +160,7 @@ static struct platform_driver platform_driver = { - } - }; - --static struct attribute_group zone_attribute_group = { -+static attribute_group_no_const zone_attribute_group = { - .name = "rgb_zones", - }; - -diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c -index 7543a56..367ca8ed 100644 ---- a/drivers/platform/x86/asus-wmi.c -+++ b/drivers/platform/x86/asus-wmi.c -@@ -1589,6 +1589,10 @@ static int show_dsts(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); - - if (err < 0) -@@ -1605,6 +1609,10 @@ static int show_devs(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, - &retval); - -@@ -1629,6 +1637,10 @@ static int show_call(struct seq_file *m, void *data) - union acpi_object *obj; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, - 1, asus->debug.method_id, - &input, &output); -diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c -index b4e9447..9dc6ec34 100644 ---- a/drivers/platform/x86/compal-laptop.c -+++ b/drivers/platform/x86/compal-laptop.c -@@ -765,7 +765,7 @@ static int dmi_check_cb_extra(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata compal_dmi_table[] = { -+static const struct dmi_system_id __initconst compal_dmi_table[] = { - { - .ident = "FL90/IFL90", - .matches = { -diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c -index 458e6c9..089aee7 100644 ---- a/drivers/platform/x86/hdaps.c -+++ b/drivers/platform/x86/hdaps.c -@@ -514,7 +514,7 @@ static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id) - "ThinkPad T42p", so the order of the entries matters. - If your ThinkPad is not recognized, please update to latest - BIOS. This is especially the case for some R52 ThinkPads. */ --static struct dmi_system_id __initdata hdaps_whitelist[] = { -+static const struct dmi_system_id __initconst hdaps_whitelist[] = { - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), -diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c -index 97c2be1..2ee50ce 100644 ---- a/drivers/platform/x86/ibm_rtl.c -+++ b/drivers/platform/x86/ibm_rtl.c -@@ -227,7 +227,7 @@ static void rtl_teardown_sysfs(void) { - } - - --static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = { -+static const struct dmi_system_id __initconst ibm_rtl_dmi_table[] = { - { \ - .matches = { \ - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \ -diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c -index 8037c8b..f88445c 100644 ---- a/drivers/platform/x86/intel_oaktrail.c -+++ b/drivers/platform/x86/intel_oaktrail.c -@@ -298,7 +298,7 @@ static int dmi_check_cb(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id __initdata oaktrail_dmi_table[] = { -+static const struct dmi_system_id __initconst oaktrail_dmi_table[] = { - { - .ident = "OakTrail platform", - .matches = { -diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c -index 0859877..59d596d 100644 ---- a/drivers/platform/x86/msi-laptop.c -+++ b/drivers/platform/x86/msi-laptop.c -@@ -604,7 +604,7 @@ static int dmi_check_cb(const struct dmi_system_id *dmi) - return 1; - } - --static struct dmi_system_id __initdata msi_dmi_table[] = { -+static const struct dmi_system_id __initconst msi_dmi_table[] = { - { - .ident = "MSI S270", - .matches = { -@@ -999,12 +999,14 @@ static int __init load_scm_model_init(struct platform_device *sdev) - - if (!quirks->ec_read_only) { - /* allow userland write sysfs file */ -- dev_attr_bluetooth.store = store_bluetooth; -- dev_attr_wlan.store = store_wlan; -- dev_attr_threeg.store = store_threeg; -- dev_attr_bluetooth.attr.mode |= S_IWUSR; -- dev_attr_wlan.attr.mode |= S_IWUSR; -- dev_attr_threeg.attr.mode |= S_IWUSR; -+ pax_open_kernel(); -+ *(void **)&dev_attr_bluetooth.store = store_bluetooth; -+ *(void **)&dev_attr_wlan.store = store_wlan; -+ *(void **)&dev_attr_threeg.store = store_threeg; -+ *(umode_t *)&dev_attr_bluetooth.attr.mode |= S_IWUSR; -+ *(umode_t *)&dev_attr_wlan.attr.mode |= S_IWUSR; -+ *(umode_t *)&dev_attr_threeg.attr.mode |= S_IWUSR; -+ pax_close_kernel(); - } - - /* disable hardware control by fn key */ -diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c -index 6d2bac0..ec2b029 100644 ---- a/drivers/platform/x86/msi-wmi.c -+++ b/drivers/platform/x86/msi-wmi.c -@@ -183,7 +183,7 @@ static const struct backlight_ops msi_backlight_ops = { - static void msi_wmi_notify(u32 value, void *context) - { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; -- static struct key_entry *key; -+ struct key_entry *key; - union acpi_object *obj; - acpi_status status; - -diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c -index 9e701b2..c68a7b5 100644 ---- a/drivers/platform/x86/samsung-laptop.c -+++ b/drivers/platform/x86/samsung-laptop.c -@@ -1567,7 +1567,7 @@ static int __init samsung_dmi_matched(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata samsung_dmi_table[] = { -+static const struct dmi_system_id __initconst samsung_dmi_table[] = { - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, -diff --git a/drivers/platform/x86/samsung-q10.c b/drivers/platform/x86/samsung-q10.c -index e6aac72..e11ff24 100644 ---- a/drivers/platform/x86/samsung-q10.c -+++ b/drivers/platform/x86/samsung-q10.c -@@ -95,7 +95,7 @@ static int __init dmi_check_callback(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata samsungq10_dmi_table[] = { -+static const struct dmi_system_id __initconst samsungq10_dmi_table[] = { - { - .ident = "Samsung Q10", - .matches = { -diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c -index e51c1e7..71bb385 100644 ---- a/drivers/platform/x86/sony-laptop.c -+++ b/drivers/platform/x86/sony-laptop.c -@@ -2526,7 +2526,7 @@ static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) - } - - /* High speed charging function */ --static struct device_attribute *hsc_handle; -+static device_attribute_no_const *hsc_handle; - - static ssize_t sony_nc_highspeed_charging_store(struct device *dev, - struct device_attribute *attr, -@@ -2600,7 +2600,7 @@ static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) - } - - /* low battery function */ --static struct device_attribute *lowbatt_handle; -+static device_attribute_no_const *lowbatt_handle; - - static ssize_t sony_nc_lowbatt_store(struct device *dev, - struct device_attribute *attr, -@@ -2666,7 +2666,7 @@ static void sony_nc_lowbatt_cleanup(struct platform_device *pd) - } - - /* fan speed function */ --static struct device_attribute *fan_handle, *hsf_handle; -+static device_attribute_no_const *fan_handle, *hsf_handle; - - static ssize_t sony_nc_hsfan_store(struct device *dev, - struct device_attribute *attr, -@@ -2773,7 +2773,7 @@ static void sony_nc_fanspeed_cleanup(struct platform_device *pd) - } - - /* USB charge function */ --static struct device_attribute *uc_handle; -+static device_attribute_no_const *uc_handle; - - static ssize_t sony_nc_usb_charge_store(struct device *dev, - struct device_attribute *attr, -@@ -2847,7 +2847,7 @@ static void sony_nc_usb_charge_cleanup(struct platform_device *pd) - } - - /* Panel ID function */ --static struct device_attribute *panel_handle; -+static device_attribute_no_const *panel_handle; - - static ssize_t sony_nc_panelid_show(struct device *dev, - struct device_attribute *attr, char *buffer) -@@ -2894,7 +2894,7 @@ static void sony_nc_panelid_cleanup(struct platform_device *pd) - } - - /* smart connect function */ --static struct device_attribute *sc_handle; -+static device_attribute_no_const *sc_handle; - - static ssize_t sony_nc_smart_conn_store(struct device *dev, - struct device_attribute *attr, -@@ -4854,7 +4854,7 @@ static struct acpi_driver sony_pic_driver = { - .drv.pm = &sony_pic_pm, - }; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c -index 28f3281..171d8c3 100644 ---- a/drivers/platform/x86/thinkpad_acpi.c -+++ b/drivers/platform/x86/thinkpad_acpi.c -@@ -2459,10 +2459,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - && !tp_features.bright_unkfw) - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); - } -+} - - #undef TPACPI_COMPARE_KEY - #undef TPACPI_MAY_SEND_KEY --} - - /* - * Polling driver -diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c -index 438d4c7..ca8a2fb 100644 ---- a/drivers/pnp/pnpbios/bioscalls.c -+++ b/drivers/pnp/pnpbios/bioscalls.c -@@ -59,7 +59,7 @@ do { \ - set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \ - } while(0) - --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - /* -@@ -96,7 +96,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - - cpu = get_cpu(); - save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8]; -+ -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - /* On some boxes IRQ's during PnP BIOS calls are deadly. */ - spin_lock_irqsave(&pnp_bios_lock, flags); -@@ -134,7 +137,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - :"memory"); - spin_unlock_irqrestore(&pnp_bios_lock, flags); - -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - /* If we get here and this is set then the PnP BIOS faulted on us. */ -@@ -468,7 +474,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base) - return status; - } - --void pnpbios_calls_init(union pnp_bios_install_struct *header) -+void __init pnpbios_calls_init(union pnp_bios_install_struct *header) - { - int i; - -@@ -476,6 +482,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - pnp_bios_callpoint.offset = header->fields.pm16offset; - pnp_bios_callpoint.segment = PNP_CS16; - -+ pax_open_kernel(); -+ - for_each_possible_cpu(i) { - struct desc_struct *gdt = get_cpu_gdt_table(i); - if (!gdt) -@@ -487,4 +495,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], - (unsigned long)__va(header->fields.pm16dseg)); - } -+ -+ pax_close_kernel(); - } -diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c -index facd43b..b291260 100644 ---- a/drivers/pnp/pnpbios/core.c -+++ b/drivers/pnp/pnpbios/core.c -@@ -494,7 +494,7 @@ static int __init exploding_pnp_bios(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id pnpbios_dmi_table[] __initdata = { -+static const struct dmi_system_id pnpbios_dmi_table[] __initconst = { - { /* PnPBIOS GPF on boot */ - .callback = exploding_pnp_bios, - .ident = "Higraded P14H", -diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c -index dfe1ee8..67e820c 100644 ---- a/drivers/power/pda_power.c -+++ b/drivers/power/pda_power.c -@@ -38,7 +38,11 @@ static struct power_supply *pda_psy_ac, *pda_psy_usb; - - #if IS_ENABLED(CONFIG_USB_PHY) - static struct usb_phy *transceiver; --static struct notifier_block otg_nb; -+static int otg_handle_notification(struct notifier_block *nb, -+ unsigned long event, void *unused); -+static struct notifier_block otg_nb = { -+ .notifier_call = otg_handle_notification -+}; - #endif - - static struct regulator *ac_draw; -@@ -373,7 +377,6 @@ static int pda_power_probe(struct platform_device *pdev) - - #if IS_ENABLED(CONFIG_USB_PHY) - if (!IS_ERR_OR_NULL(transceiver) && pdata->use_otg_notifier) { -- otg_nb.notifier_call = otg_handle_notification; - ret = usb_register_notifier(transceiver, &otg_nb); - if (ret) { - dev_err(dev, "failure to register otg notifier\n"); -diff --git a/drivers/power/power_supply.h b/drivers/power/power_supply.h -index cc439fd..8fa30df 100644 ---- a/drivers/power/power_supply.h -+++ b/drivers/power/power_supply.h -@@ -16,12 +16,12 @@ struct power_supply; - - #ifdef CONFIG_SYSFS - --extern void power_supply_init_attrs(struct device_type *dev_type); -+extern void power_supply_init_attrs(void); - extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env); - - #else - --static inline void power_supply_init_attrs(struct device_type *dev_type) {} -+static inline void power_supply_init_attrs(void) {} - #define power_supply_uevent NULL - - #endif /* CONFIG_SYSFS */ -diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c -index 4bc0c7f..198c99d 100644 ---- a/drivers/power/power_supply_core.c -+++ b/drivers/power/power_supply_core.c -@@ -28,7 +28,10 @@ EXPORT_SYMBOL_GPL(power_supply_class); - ATOMIC_NOTIFIER_HEAD(power_supply_notifier); - EXPORT_SYMBOL_GPL(power_supply_notifier); - --static struct device_type power_supply_dev_type; -+extern const struct attribute_group *power_supply_attr_groups[]; -+static struct device_type power_supply_dev_type = { -+ .groups = power_supply_attr_groups, -+}; - - #define POWER_SUPPLY_DEFERRED_REGISTER_TIME msecs_to_jiffies(10) - -@@ -921,7 +924,7 @@ static int __init power_supply_class_init(void) - return PTR_ERR(power_supply_class); - - power_supply_class->dev_uevent = power_supply_uevent; -- power_supply_init_attrs(&power_supply_dev_type); -+ power_supply_init_attrs(); - - return 0; - } -diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c -index 9134e3d..45eee1e 100644 ---- a/drivers/power/power_supply_sysfs.c -+++ b/drivers/power/power_supply_sysfs.c -@@ -238,17 +238,15 @@ static struct attribute_group power_supply_attr_group = { - .is_visible = power_supply_attr_is_visible, - }; - --static const struct attribute_group *power_supply_attr_groups[] = { -+const struct attribute_group *power_supply_attr_groups[] = { - &power_supply_attr_group, - NULL, - }; - --void power_supply_init_attrs(struct device_type *dev_type) -+void power_supply_init_attrs(void) - { - int i; - -- dev_type->groups = power_supply_attr_groups; -- - for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++) - __power_supply_attrs[i] = &power_supply_attrs[i].attr; - } -diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c -index 84419af..268ede8 100644 ---- a/drivers/powercap/powercap_sys.c -+++ b/drivers/powercap/powercap_sys.c -@@ -154,8 +154,77 @@ struct powercap_constraint_attr { - struct device_attribute name_attr; - }; - -+static ssize_t show_constraint_name(struct device *dev, -+ struct device_attribute *dev_attr, -+ char *buf); -+ - static struct powercap_constraint_attr -- constraint_attrs[MAX_CONSTRAINTS_PER_ZONE]; -+ constraint_attrs[MAX_CONSTRAINTS_PER_ZONE] = { -+ [0 ... MAX_CONSTRAINTS_PER_ZONE - 1] = { -+ .power_limit_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_power_limit_uw, -+ .store = store_constraint_power_limit_uw -+ }, -+ -+ .time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_time_window_us, -+ .store = store_constraint_time_window_us -+ }, -+ -+ .max_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_power_uw, -+ .store = NULL -+ }, -+ -+ .min_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_power_uw, -+ .store = NULL -+ }, -+ -+ .max_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_time_window_us, -+ .store = NULL -+ }, -+ -+ .min_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_time_window_us, -+ .store = NULL -+ }, -+ -+ .name_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_name, -+ .store = NULL -+ } -+ } -+}; - - /* A list of powercap control_types */ - static LIST_HEAD(powercap_cntrl_list); -@@ -193,23 +262,16 @@ static ssize_t show_constraint_name(struct device *dev, - } - - static int create_constraint_attribute(int id, const char *name, -- int mode, -- struct device_attribute *dev_attr, -- ssize_t (*show)(struct device *, -- struct device_attribute *, char *), -- ssize_t (*store)(struct device *, -- struct device_attribute *, -- const char *, size_t) -- ) -+ struct device_attribute *dev_attr) - { -+ name = kasprintf(GFP_KERNEL, "constraint_%d_%s", id, name); - -- dev_attr->attr.name = kasprintf(GFP_KERNEL, "constraint_%d_%s", -- id, name); -- if (!dev_attr->attr.name) -+ if (!name) - return -ENOMEM; -- dev_attr->attr.mode = mode; -- dev_attr->show = show; -- dev_attr->store = store; -+ -+ pax_open_kernel(); -+ *(const char **)&dev_attr->attr.name = name; -+ pax_close_kernel(); - - return 0; - } -@@ -236,49 +298,31 @@ static int seed_constraint_attributes(void) - - for (i = 0; i < MAX_CONSTRAINTS_PER_ZONE; ++i) { - ret = create_constraint_attribute(i, "power_limit_uw", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].power_limit_attr, -- show_constraint_power_limit_uw, -- store_constraint_power_limit_uw); -+ &constraint_attrs[i].power_limit_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "time_window_us", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].time_window_attr, -- show_constraint_time_window_us, -- store_constraint_time_window_us); -+ &constraint_attrs[i].time_window_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "name", S_IRUGO, -- &constraint_attrs[i].name_attr, -- show_constraint_name, -- NULL); -+ ret = create_constraint_attribute(i, "name", -+ &constraint_attrs[i].name_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "max_power_uw", S_IRUGO, -- &constraint_attrs[i].max_power_attr, -- show_constraint_max_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "max_power_uw", -+ &constraint_attrs[i].max_power_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "min_power_uw", S_IRUGO, -- &constraint_attrs[i].min_power_attr, -- show_constraint_min_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "min_power_uw", -+ &constraint_attrs[i].min_power_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "max_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].max_time_window_attr, -- show_constraint_max_time_window_us, -- NULL); -+ &constraint_attrs[i].max_time_window_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "min_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].min_time_window_attr, -- show_constraint_min_time_window_us, -- NULL); -+ &constraint_attrs[i].min_time_window_attr); - if (ret) - goto err_alloc; - -@@ -378,10 +422,12 @@ static void create_power_zone_common_attributes( - power_zone->zone_dev_attrs[count++] = - &dev_attr_max_energy_range_uj.attr; - if (power_zone->ops->get_energy_uj) { -+ pax_open_kernel(); - if (power_zone->ops->reset_energy_uj) -- dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; -+ *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; - else -- dev_attr_energy_uj.attr.mode = S_IRUGO; -+ *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IRUGO; -+ pax_close_kernel(); - power_zone->zone_dev_attrs[count++] = - &dev_attr_energy_uj.attr; - } -diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h -index 9c5d414..c7900ce 100644 ---- a/drivers/ptp/ptp_private.h -+++ b/drivers/ptp/ptp_private.h -@@ -51,7 +51,7 @@ struct ptp_clock { - struct mutex pincfg_mux; /* protect concurrent info->pin_config access */ - wait_queue_head_t tsev_wq; - int defunct; /* tells readers to go away when clock is being removed */ -- struct device_attribute *pin_dev_attr; -+ device_attribute_no_const *pin_dev_attr; - struct attribute **pin_attr; - struct attribute_group pin_attr_group; - }; -diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c -index 302e626..12579af 100644 ---- a/drivers/ptp/ptp_sysfs.c -+++ b/drivers/ptp/ptp_sysfs.c -@@ -280,7 +280,7 @@ static int ptp_populate_pins(struct ptp_clock *ptp) - goto no_pin_attr; - - for (i = 0; i < n_pins; i++) { -- struct device_attribute *da = &ptp->pin_dev_attr[i]; -+ device_attribute_no_const *da = &ptp->pin_dev_attr[i]; - sysfs_attr_init(&da->attr); - da->attr.name = info->pin_config[i].name; - da->attr.mode = 0644; -diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c -index 8a28116..05b0ad5 100644 ---- a/drivers/regulator/core.c -+++ b/drivers/regulator/core.c -@@ -3603,7 +3603,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - const struct regulation_constraints *constraints = NULL; - const struct regulator_init_data *init_data; - struct regulator_config *config = NULL; -- static atomic_t regulator_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t regulator_no = ATOMIC_INIT(-1); - struct regulator_dev *rdev; - struct device *dev; - int ret, i; -@@ -3686,7 +3686,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - rdev->dev.class = &regulator_class; - rdev->dev.parent = dev; - dev_set_name(&rdev->dev, "regulator.%lu", -- (unsigned long) atomic_inc_return(&regulator_no)); -+ (unsigned long) atomic_inc_return_unchecked(&regulator_no)); - ret = device_register(&rdev->dev); - if (ret != 0) { - put_device(&rdev->dev); -diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c -index 4071d74..260b15a 100644 ---- a/drivers/regulator/max8660.c -+++ b/drivers/regulator/max8660.c -@@ -423,8 +423,10 @@ static int max8660_probe(struct i2c_client *client, - max8660->shadow_regs[MAX8660_OVER1] = 5; - } else { - /* Otherwise devices can be toggled via software */ -- max8660_dcdc_ops.enable = max8660_dcdc_enable; -- max8660_dcdc_ops.disable = max8660_dcdc_disable; -+ pax_open_kernel(); -+ *(void **)&max8660_dcdc_ops.enable = max8660_dcdc_enable; -+ *(void **)&max8660_dcdc_ops.disable = max8660_dcdc_disable; -+ pax_close_kernel(); - } - - /* -diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c -index c3d55c2..0dddfe6 100644 ---- a/drivers/regulator/max8973-regulator.c -+++ b/drivers/regulator/max8973-regulator.c -@@ -403,9 +403,11 @@ static int max8973_probe(struct i2c_client *client, - if (!pdata || !pdata->enable_ext_control) { - max->desc.enable_reg = MAX8973_VOUT; - max->desc.enable_mask = MAX8973_VOUT_ENABLE; -- max->ops.enable = regulator_enable_regmap; -- max->ops.disable = regulator_disable_regmap; -- max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_open_kernel(); -+ *(void **)&max->ops.enable = regulator_enable_regmap; -+ *(void **)&max->ops.disable = regulator_disable_regmap; -+ *(void **)&max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_close_kernel(); - } - - if (pdata) { -diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c -index 0d17c92..a29f627 100644 ---- a/drivers/regulator/mc13892-regulator.c -+++ b/drivers/regulator/mc13892-regulator.c -@@ -584,10 +584,12 @@ static int mc13892_regulator_probe(struct platform_device *pdev) - mc13xxx_unlock(mc13892); - - /* update mc13892_vcam ops */ -- memcpy(&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, -+ pax_open_kernel(); -+ memcpy((void *)&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, - sizeof(struct regulator_ops)); -- mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode, -- mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode, -+ *(void **)&mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode, -+ *(void **)&mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode, -+ pax_close_kernel(); - mc13892_regulators[MC13892_VCAM].desc.ops = &mc13892_vcam_ops; - - mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators, -diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c -index a82556a0..e842923 100644 ---- a/drivers/rtc/rtc-cmos.c -+++ b/drivers/rtc/rtc-cmos.c -@@ -793,7 +793,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) - hpet_rtc_timer_init(); - - /* export at least the first block of NVRAM */ -- nvram.size = address_space - NVRAM_OFFSET; -+ pax_open_kernel(); -+ *(size_t *)&nvram.size = address_space - NVRAM_OFFSET; -+ pax_close_kernel(); - retval = sysfs_create_bin_file(&dev->kobj, &nvram); - if (retval < 0) { - dev_dbg(dev, "can't create nvram file? %d\n", retval); -diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c -index 799c34b..8e9786a 100644 ---- a/drivers/rtc/rtc-dev.c -+++ b/drivers/rtc/rtc-dev.c -@@ -16,6 +16,7 @@ - #include <linux/module.h> - #include <linux/rtc.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include "rtc-core.h" - - static dev_t rtc_devt; -@@ -347,6 +348,8 @@ static long rtc_dev_ioctl(struct file *file, - if (copy_from_user(&tm, uarg, sizeof(tm))) - return -EFAULT; - -+ gr_log_timechange(); -+ - return rtc_set_time(rtc, &tm); - - case RTC_PIE_ON: -diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c -index 4ffabb3..1f87fca 100644 ---- a/drivers/rtc/rtc-ds1307.c -+++ b/drivers/rtc/rtc-ds1307.c -@@ -107,7 +107,7 @@ struct ds1307 { - u8 offset; /* register's offset */ - u8 regs[11]; - u16 nvram_offset; -- struct bin_attribute *nvram; -+ bin_attribute_no_const *nvram; - enum ds_type type; - unsigned long flags; - #define HAS_NVRAM 0 /* bit 0 == sysfs file active */ -diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c -index 90abb5b..e0bf6dd 100644 ---- a/drivers/rtc/rtc-m48t59.c -+++ b/drivers/rtc/rtc-m48t59.c -@@ -483,7 +483,9 @@ static int m48t59_rtc_probe(struct platform_device *pdev) - if (IS_ERR(m48t59->rtc)) - return PTR_ERR(m48t59->rtc); - -- m48t59_nvram_attr.size = pdata->offset; -+ pax_open_kernel(); -+ *(size_t *)&m48t59_nvram_attr.size = pdata->offset; -+ pax_close_kernel(); - - ret = sysfs_create_bin_file(&pdev->dev.kobj, &m48t59_nvram_attr); - if (ret) -diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c -index 3a2da4c..e88493c 100644 ---- a/drivers/rtc/rtc-test.c -+++ b/drivers/rtc/rtc-test.c -@@ -112,8 +112,10 @@ static int test_probe(struct platform_device *plat_dev) - struct rtc_device *rtc; - - if (test_mmss64) { -- test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; -- test_rtc_ops.set_mmss = NULL; -+ pax_open_kernel(); -+ *(void **)&test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; -+ *(void **)&test_rtc_ops.set_mmss = NULL; -+ pax_close_kernel(); - } - - rtc = devm_rtc_device_register(&plat_dev->dev, "test", -diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c -index 1f74760..8e00a89 100644 ---- a/drivers/scsi/be2iscsi/be_main.c -+++ b/drivers/scsi/be2iscsi/be_main.c -@@ -3165,7 +3165,7 @@ be_sgl_create_contiguous(void *virtual_address, - { - WARN_ON(!virtual_address); - WARN_ON(!physical_address); -- WARN_ON(!length > 0); -+ WARN_ON(!length); - WARN_ON(!sgl); - - sgl->va = virtual_address; -diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h -index e693af6..2e525b6 100644 ---- a/drivers/scsi/bfa/bfa_fcpim.h -+++ b/drivers/scsi/bfa/bfa_fcpim.h -@@ -36,7 +36,7 @@ struct bfa_iotag_s { - - struct bfa_itn_s { - bfa_isr_func_t isr; --}; -+} __no_const; - - void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, - void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)); -diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c -index 0f19455..ef7adb5 100644 ---- a/drivers/scsi/bfa/bfa_fcs.c -+++ b/drivers/scsi/bfa/bfa_fcs.c -@@ -38,10 +38,21 @@ struct bfa_fcs_mod_s { - #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } - - static struct bfa_fcs_mod_s fcs_modules[] = { -- { bfa_fcs_port_attach, NULL, NULL }, -- { bfa_fcs_uf_attach, NULL, NULL }, -- { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, -- bfa_fcs_fabric_modexit }, -+ { -+ .attach = bfa_fcs_port_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_uf_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_fabric_attach, -+ .modinit = bfa_fcs_fabric_modinit, -+ .modexit = bfa_fcs_fabric_modexit -+ }, - }; - - /* -diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c -index ff75ef8..2dfe00a 100644 ---- a/drivers/scsi/bfa/bfa_fcs_lport.c -+++ b/drivers/scsi/bfa/bfa_fcs_lport.c -@@ -89,15 +89,26 @@ static struct { - void (*offline) (struct bfa_fcs_lport_s *port); - } __port_action[] = { - { -- bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online, -- bfa_fcs_lport_unknown_offline}, { -- bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online, -- bfa_fcs_lport_fab_offline}, { -- bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online, -- bfa_fcs_lport_n2n_offline}, { -- bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online, -- bfa_fcs_lport_loop_offline}, -- }; -+ .init = bfa_fcs_lport_unknown_init, -+ .online = bfa_fcs_lport_unknown_online, -+ .offline = bfa_fcs_lport_unknown_offline -+ }, -+ { -+ .init = bfa_fcs_lport_fab_init, -+ .online = bfa_fcs_lport_fab_online, -+ .offline = bfa_fcs_lport_fab_offline -+ }, -+ { -+ .init = bfa_fcs_lport_n2n_init, -+ .online = bfa_fcs_lport_n2n_online, -+ .offline = bfa_fcs_lport_n2n_offline -+ }, -+ { -+ .init = bfa_fcs_lport_loop_init, -+ .online = bfa_fcs_lport_loop_online, -+ .offline = bfa_fcs_lport_loop_offline -+ }, -+}; - - /* - * fcs_port_sm FCS logical port state machine -diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h -index a38aafa0..fe8f03b 100644 ---- a/drivers/scsi/bfa/bfa_ioc.h -+++ b/drivers/scsi/bfa/bfa_ioc.h -@@ -258,7 +258,7 @@ struct bfa_ioc_cbfn_s { - bfa_ioc_disable_cbfn_t disable_cbfn; - bfa_ioc_hbfail_cbfn_t hbfail_cbfn; - bfa_ioc_reset_cbfn_t reset_cbfn; --}; -+} __no_const; - - /* - * IOC event notification mechanism. -@@ -352,7 +352,7 @@ struct bfa_ioc_hwif_s { - void (*ioc_set_alt_fwstate) (struct bfa_ioc_s *ioc, - enum bfi_ioc_state fwstate); - enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc_s *ioc); --}; -+} __no_const; - - /* - * Queue element to wait for room in request queue. FIFO order is -diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h -index a14c784..6de6790 100644 ---- a/drivers/scsi/bfa/bfa_modules.h -+++ b/drivers/scsi/bfa/bfa_modules.h -@@ -78,12 +78,12 @@ enum { - \ - extern struct bfa_module_s hal_mod_ ## __mod; \ - struct bfa_module_s hal_mod_ ## __mod = { \ -- bfa_ ## __mod ## _meminfo, \ -- bfa_ ## __mod ## _attach, \ -- bfa_ ## __mod ## _detach, \ -- bfa_ ## __mod ## _start, \ -- bfa_ ## __mod ## _stop, \ -- bfa_ ## __mod ## _iocdisable, \ -+ .meminfo = bfa_ ## __mod ## _meminfo, \ -+ .attach = bfa_ ## __mod ## _attach, \ -+ .detach = bfa_ ## __mod ## _detach, \ -+ .start = bfa_ ## __mod ## _start, \ -+ .stop = bfa_ ## __mod ## _stop, \ -+ .iocdisable = bfa_ ## __mod ## _iocdisable, \ - } - - #define BFA_CACHELINE_SZ (256) -diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c -index 045c4e1..13de803 100644 ---- a/drivers/scsi/fcoe/fcoe_sysfs.c -+++ b/drivers/scsi/fcoe/fcoe_sysfs.c -@@ -33,8 +33,8 @@ - */ - #include "libfcoe.h" - --static atomic_t ctlr_num; --static atomic_t fcf_num; -+static atomic_unchecked_t ctlr_num; -+static atomic_unchecked_t fcf_num; - - /* - * fcoe_fcf_dev_loss_tmo: the default number of seconds that fcoe sysfs -@@ -685,7 +685,7 @@ struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, - if (!ctlr) - goto out; - -- ctlr->id = atomic_inc_return(&ctlr_num) - 1; -+ ctlr->id = atomic_inc_return_unchecked(&ctlr_num) - 1; - ctlr->f = f; - ctlr->mode = FIP_CONN_TYPE_FABRIC; - INIT_LIST_HEAD(&ctlr->fcfs); -@@ -902,7 +902,7 @@ struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *ctlr, - fcf->dev.parent = &ctlr->dev; - fcf->dev.bus = &fcoe_bus_type; - fcf->dev.type = &fcoe_fcf_device_type; -- fcf->id = atomic_inc_return(&fcf_num) - 1; -+ fcf->id = atomic_inc_return_unchecked(&fcf_num) - 1; - fcf->state = FCOE_FCF_STATE_UNKNOWN; - - fcf->dev_loss_tmo = ctlr->fcf_dev_loss_tmo; -@@ -938,8 +938,8 @@ int __init fcoe_sysfs_setup(void) - { - int error; - -- atomic_set(&ctlr_num, 0); -- atomic_set(&fcf_num, 0); -+ atomic_set_unchecked(&ctlr_num, 0); -+ atomic_set_unchecked(&fcf_num, 0); - - error = bus_register(&fcoe_bus_type); - if (error) -diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c -index 8bb173e..20236b4 100644 ---- a/drivers/scsi/hosts.c -+++ b/drivers/scsi/hosts.c -@@ -42,7 +42,7 @@ - #include "scsi_logging.h" - - --static atomic_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */ -+static atomic_unchecked_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */ - - - static void scsi_host_cls_release(struct device *dev) -@@ -392,7 +392,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) - * subtract one because we increment first then return, but we need to - * know what the next host number was before increment - */ -- shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1; -+ shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1; - shost->dma_channel = 0xff; - - /* These three are default values which can be overridden */ -diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c -index 8eab107..599cd79 100644 ---- a/drivers/scsi/hpsa.c -+++ b/drivers/scsi/hpsa.c -@@ -697,10 +697,10 @@ static inline u32 next_command(struct ctlr_info *h, u8 q) - struct reply_queue_buffer *rq = &h->reply_queue[q]; - - if (h->transMethod & CFGTBL_Trans_io_accel1) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if ((rq->head[rq->current_entry] & 1) == rq->wraparound) { - a = rq->head[rq->current_entry]; -@@ -837,7 +837,7 @@ static void enqueue_cmd_and_start_io(struct ctlr_info *h, - break; - default: - set_performant_mode(h, c); -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - } - } - -@@ -5369,17 +5369,17 @@ static void __iomem *remap_pci_mem(ulong base, ulong size) - - static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q) - { -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - } - - static inline bool interrupt_pending(struct ctlr_info *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(struct ctlr_info *h) - { -- return (h->access.intr_pending(h) == 0) || -+ return (h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0); - } - -@@ -6270,7 +6270,7 @@ static int hpsa_pci_init(struct ctlr_info *h) - if (prod_index < 0) - return prod_index; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | - PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); -@@ -6647,7 +6647,7 @@ static void controller_lockup_detected(struct ctlr_info *h) - unsigned long flags; - u32 lockup_detected; - -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_lock_irqsave(&h->lock, flags); - lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - if (!lockup_detected) { -@@ -6922,7 +6922,7 @@ reinit_after_soft_reset: - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - if (hpsa_request_irqs(h, do_hpsa_intr_msi, do_hpsa_intr_intx)) - goto clean2; -@@ -6958,7 +6958,7 @@ reinit_after_soft_reset: - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - hpsa_free_irqs(h); - rc = hpsa_request_irqs(h, hpsa_msix_discard_completions, -@@ -6977,9 +6977,9 @@ reinit_after_soft_reset: - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -7004,7 +7004,7 @@ reinit_after_soft_reset: - - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - - hpsa_hba_inquiry(h); - hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */ -@@ -7077,7 +7077,7 @@ static void hpsa_shutdown(struct pci_dev *pdev) - * To write all data in the battery backed cache to disks - */ - hpsa_flush_cache(h); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - hpsa_free_irqs_and_disable_msix(h); - } - -@@ -7198,7 +7198,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - CFGTBL_Trans_enable_directed_msix | - (trans_support & (CFGTBL_Trans_io_accel1 | - CFGTBL_Trans_io_accel2)); -- struct access_method access = SA5_performant_access; -+ struct access_method *access = &SA5_performant_access; - - /* This is a bit complicated. There are 8 registers on - * the controller which we write to to tell it 8 different -@@ -7240,7 +7240,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * perform the superfluous readl() after each command submission. - */ - if (trans_support & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2)) -- access = SA5_performant_access_no_read; -+ access = &SA5_performant_access_no_read; - - /* Controller spec: zero out this buffer. */ - for (i = 0; i < h->nreply_queues; i++) -@@ -7270,12 +7270,12 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * enable outbound interrupt coalescing in accelerator mode; - */ - if (trans_support & CFGTBL_Trans_io_accel1) { -- access = SA5_ioaccel_mode1_access; -+ access = &SA5_ioaccel_mode1_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } else { - if (trans_support & CFGTBL_Trans_io_accel2) { -- access = SA5_ioaccel_mode2_access; -+ access = &SA5_ioaccel_mode2_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } -diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h -index 6577130..955f9a4 100644 ---- a/drivers/scsi/hpsa.h -+++ b/drivers/scsi/hpsa.h -@@ -143,7 +143,7 @@ struct ctlr_info { - unsigned int msix_vector; - unsigned int msi_vector; - int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */ -- struct access_method access; -+ struct access_method *access; - char hba_mode_enabled; - - /* queue and queue Info */ -@@ -525,38 +525,38 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_ioaccel_mode1_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_ioaccel_mode1_intr_pending, -- SA5_ioaccel_mode1_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_ioaccel_mode1_intr_pending, -+ .command_completed = SA5_ioaccel_mode1_completed, - }; - - static struct access_method SA5_ioaccel_mode2_access = { -- SA5_submit_command_ioaccel2, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_ioaccel2, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access_no_read = { -- SA5_submit_command_no_read, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_no_read, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c -index 30f9ef0..a1e29ac 100644 ---- a/drivers/scsi/libfc/fc_exch.c -+++ b/drivers/scsi/libfc/fc_exch.c -@@ -101,12 +101,12 @@ struct fc_exch_mgr { - u16 pool_max_index; - - struct { -- atomic_t no_free_exch; -- atomic_t no_free_exch_xid; -- atomic_t xid_not_found; -- atomic_t xid_busy; -- atomic_t seq_not_found; -- atomic_t non_bls_resp; -+ atomic_unchecked_t no_free_exch; -+ atomic_unchecked_t no_free_exch_xid; -+ atomic_unchecked_t xid_not_found; -+ atomic_unchecked_t xid_busy; -+ atomic_unchecked_t seq_not_found; -+ atomic_unchecked_t non_bls_resp; - } stats; - }; - -@@ -809,7 +809,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport, - /* allocate memory for exchange */ - ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC); - if (!ep) { -- atomic_inc(&mp->stats.no_free_exch); -+ atomic_inc_unchecked(&mp->stats.no_free_exch); - goto out; - } - memset(ep, 0, sizeof(*ep)); -@@ -872,7 +872,7 @@ out: - return ep; - err: - spin_unlock_bh(&pool->lock); -- atomic_inc(&mp->stats.no_free_exch_xid); -+ atomic_inc_unchecked(&mp->stats.no_free_exch_xid); - mempool_free(ep, mp->ep_pool); - return NULL; - } -@@ -1021,7 +1021,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - xid = ntohs(fh->fh_ox_id); /* we originated exch */ - ep = fc_exch_find(mp, xid); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_OX_ID; - goto out; - } -@@ -1051,7 +1051,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - ep = fc_exch_find(mp, xid); - if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) { - if (ep) { -- atomic_inc(&mp->stats.xid_busy); -+ atomic_inc_unchecked(&mp->stats.xid_busy); - reject = FC_RJT_RX_ID; - goto rel; - } -@@ -1062,7 +1062,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } - xid = ep->xid; /* get our XID */ - } else if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_RX_ID; /* XID not found */ - goto out; - } -@@ -1080,7 +1080,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } else { - sp = &ep->seq; - if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - if (f_ctl & FC_FC_END_SEQ) { - /* - * Update sequence_id based on incoming last -@@ -1531,22 +1531,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - - ep = fc_exch_find(mp, ntohs(fh->fh_ox_id)); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto out; - } - if (ep->esb_stat & ESB_ST_COMPLETE) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->rxid == FC_XID_UNKNOWN) - ep->rxid = ntohs(fh->fh_rx_id); - if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->did != ntoh24(fh->fh_s_id) && - ep->did != FC_FID_FLOGI) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - sof = fr_sof(fp); -@@ -1555,7 +1555,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp->ssb_stat |= SSB_ST_RESP; - sp->id = fh->fh_seq_id; - } else if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - goto rel; - } - -@@ -1618,9 +1618,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ - - if (!sp) -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - else -- atomic_inc(&mp->stats.non_bls_resp); -+ atomic_inc_unchecked(&mp->stats.non_bls_resp); - - fc_frame_free(fp); - } -@@ -2261,13 +2261,13 @@ void fc_exch_update_stats(struct fc_lport *lport) - - list_for_each_entry(ema, &lport->ema_list, ema_list) { - mp = ema->mp; -- st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch); -+ st->fc_no_free_exch += atomic_read_unchecked(&mp->stats.no_free_exch); - st->fc_no_free_exch_xid += -- atomic_read(&mp->stats.no_free_exch_xid); -- st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found); -- st->fc_xid_busy += atomic_read(&mp->stats.xid_busy); -- st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found); -- st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp); -+ atomic_read_unchecked(&mp->stats.no_free_exch_xid); -+ st->fc_xid_not_found += atomic_read_unchecked(&mp->stats.xid_not_found); -+ st->fc_xid_busy += atomic_read_unchecked(&mp->stats.xid_busy); -+ st->fc_seq_not_found += atomic_read_unchecked(&mp->stats.seq_not_found); -+ st->fc_non_bls_resp += atomic_read_unchecked(&mp->stats.non_bls_resp); - } - } - EXPORT_SYMBOL(fc_exch_update_stats); -diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c -index 9c706d8..d3e3ed2 100644 ---- a/drivers/scsi/libsas/sas_ata.c -+++ b/drivers/scsi/libsas/sas_ata.c -@@ -535,7 +535,7 @@ static struct ata_port_operations sas_sata_ops = { - .postreset = ata_std_postreset, - .error_handler = ata_std_error_handler, - .post_internal_cmd = sas_ata_post_internal, -- .qc_defer = ata_std_qc_defer, -+ .qc_defer = ata_std_qc_defer, - .qc_prep = ata_noop_qc_prep, - .qc_issue = sas_ata_qc_issue, - .qc_fill_rtf = sas_ata_qc_fill_rtf, -diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h -index 9b81a34..a9b7b8c 100644 ---- a/drivers/scsi/lpfc/lpfc.h -+++ b/drivers/scsi/lpfc/lpfc.h -@@ -433,7 +433,7 @@ struct lpfc_vport { - struct dentry *debug_nodelist; - struct dentry *vport_debugfs_root; - struct lpfc_debugfs_trc *disc_trc; -- atomic_t disc_trc_cnt; -+ atomic_unchecked_t disc_trc_cnt; - #endif - uint8_t stat_data_enabled; - uint8_t stat_data_blocked; -@@ -883,8 +883,8 @@ struct lpfc_hba { - struct timer_list fabric_block_timer; - unsigned long bit_flags; - #define FABRIC_COMANDS_BLOCKED 0 -- atomic_t num_rsrc_err; -- atomic_t num_cmd_success; -+ atomic_unchecked_t num_rsrc_err; -+ atomic_unchecked_t num_cmd_success; - unsigned long last_rsrc_error_time; - unsigned long last_ramp_down_time; - #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -@@ -919,7 +919,7 @@ struct lpfc_hba { - - struct dentry *debug_slow_ring_trc; - struct lpfc_debugfs_trc *slow_ring_trc; -- atomic_t slow_ring_trc_cnt; -+ atomic_unchecked_t slow_ring_trc_cnt; - /* iDiag debugfs sub-directory */ - struct dentry *idiag_root; - struct dentry *idiag_pci_cfg; -diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c -index 513edcb..805c6a8 100644 ---- a/drivers/scsi/lpfc/lpfc_debugfs.c -+++ b/drivers/scsi/lpfc/lpfc_debugfs.c -@@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, - - #include <linux/debugfs.h> - --static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); - static unsigned long lpfc_debugfs_start_time = 0L; - - /* iDiag */ -@@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&vport->disc_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) & - (lpfc_debugfs_max_disc_trc - 1); - for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { - dtp = vport->disc_trc + i; -@@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) & - (lpfc_debugfs_max_slow_ring_trc - 1); - for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { - dtp = phba->slow_ring_trc + i; -@@ -646,14 +646,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, - !vport || !vport->disc_trc) - return; - -- index = atomic_inc_return(&vport->disc_trc_cnt) & -+ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) & - (lpfc_debugfs_max_disc_trc - 1); - dtp = vport->disc_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -684,14 +684,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, - !phba || !phba->slow_ring_trc) - return; - -- index = atomic_inc_return(&phba->slow_ring_trc_cnt) & -+ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) & - (lpfc_debugfs_max_slow_ring_trc - 1); - dtp = phba->slow_ring_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -4268,7 +4268,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "slow_ring buffer\n"); - goto debug_failed; - } -- atomic_set(&phba->slow_ring_trc_cnt, 0); -+ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0); - memset(phba->slow_ring_trc, 0, - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc)); -@@ -4314,7 +4314,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "buffer\n"); - goto debug_failed; - } -- atomic_set(&vport->disc_trc_cnt, 0); -+ atomic_set_unchecked(&vport->disc_trc_cnt, 0); - - snprintf(name, sizeof(name), "discovery_trace"); - vport->debug_disc_trc = -diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c -index e8c8c1e..5f2e11c 100644 ---- a/drivers/scsi/lpfc/lpfc_init.c -+++ b/drivers/scsi/lpfc/lpfc_init.c -@@ -11406,8 +11406,10 @@ lpfc_init(void) - "misc_register returned with status %d", error); - - if (lpfc_enable_npiv) { -- lpfc_transport_functions.vport_create = lpfc_vport_create; -- lpfc_transport_functions.vport_delete = lpfc_vport_delete; -+ pax_open_kernel(); -+ *(void **)&lpfc_transport_functions.vport_create = lpfc_vport_create; -+ *(void **)&lpfc_transport_functions.vport_delete = lpfc_vport_delete; -+ pax_close_kernel(); - } - lpfc_transport_template = - fc_attach_transport(&lpfc_transport_functions); -diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c -index c140f99..11b2505 100644 ---- a/drivers/scsi/lpfc/lpfc_scsi.c -+++ b/drivers/scsi/lpfc/lpfc_scsi.c -@@ -261,7 +261,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) - unsigned long expires; - - spin_lock_irqsave(&phba->hbalock, flags); -- atomic_inc(&phba->num_rsrc_err); -+ atomic_inc_unchecked(&phba->num_rsrc_err); - phba->last_rsrc_error_time = jiffies; - - expires = phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL; -@@ -303,8 +303,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - unsigned long num_rsrc_err, num_cmd_success; - int i; - -- num_rsrc_err = atomic_read(&phba->num_rsrc_err); -- num_cmd_success = atomic_read(&phba->num_cmd_success); -+ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err); -+ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success); - - /* - * The error and success command counters are global per -@@ -331,8 +331,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - } - } - lpfc_destroy_vport_work_array(phba, vports); -- atomic_set(&phba->num_rsrc_err, 0); -- atomic_set(&phba->num_cmd_success, 0); -+ atomic_set_unchecked(&phba->num_rsrc_err, 0); -+ atomic_set_unchecked(&phba->num_cmd_success, 0); - } - - /** -diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c -index 3f26147..ee8efd1 100644 ---- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c -+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c -@@ -1509,7 +1509,7 @@ _scsih_get_resync(struct device *dev) - { - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; -@@ -1561,7 +1561,7 @@ _scsih_get_state(struct device *dev) - { - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; -@@ -6641,7 +6641,7 @@ _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrOperationStatus_t *event_data = - (Mpi2EventDataIrOperationStatus_t *) - fw_event->event_data; -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - u16 handle; - -@@ -7112,7 +7112,7 @@ _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc) - u64 sas_address; - struct _sas_device *sas_device; - struct _sas_node *expander_device; -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - u8 retry_count; - unsigned long flags; - -diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c -index ed31d8c..ab856b3 100644 ---- a/drivers/scsi/pmcraid.c -+++ b/drivers/scsi/pmcraid.c -@@ -200,8 +200,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev) - res->scsi_dev = scsi_dev; - scsi_dev->hostdata = res; - res->change_detected = 0; -- atomic_set(&res->read_failures, 0); -- atomic_set(&res->write_failures, 0); -+ atomic_set_unchecked(&res->read_failures, 0); -+ atomic_set_unchecked(&res->write_failures, 0); - rc = 0; - } - spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags); -@@ -2640,9 +2640,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd) - - /* If this was a SCSI read/write command keep count of errors */ - if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD) -- atomic_inc(&res->read_failures); -+ atomic_inc_unchecked(&res->read_failures); - else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD) -- atomic_inc(&res->write_failures); -+ atomic_inc_unchecked(&res->write_failures); - - if (!RES_IS_GSCSI(res->cfg_entry) && - masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) { -@@ -3468,7 +3468,7 @@ static int pmcraid_queuecommand_lck( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - cmd->cmd_done = pmcraid_io_done; - -@@ -3782,7 +3782,7 @@ static long pmcraid_ioctl_passthrough( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - - if (request_size) { -@@ -4420,7 +4420,7 @@ static void pmcraid_worker_function(struct work_struct *workp) - - pinstance = container_of(workp, struct pmcraid_instance, worker_q); - /* add resources only after host is added into system */ -- if (!atomic_read(&pinstance->expose_resources)) -+ if (!atomic_read_unchecked(&pinstance->expose_resources)) - return; - - fw_version = be16_to_cpu(pinstance->inq_data->fw_version); -@@ -5237,8 +5237,8 @@ static int pmcraid_init_instance(struct pci_dev *pdev, struct Scsi_Host *host, - init_waitqueue_head(&pinstance->reset_wait_q); - - atomic_set(&pinstance->outstanding_cmds, 0); -- atomic_set(&pinstance->last_message_id, 0); -- atomic_set(&pinstance->expose_resources, 0); -+ atomic_set_unchecked(&pinstance->last_message_id, 0); -+ atomic_set_unchecked(&pinstance->expose_resources, 0); - - INIT_LIST_HEAD(&pinstance->free_res_q); - INIT_LIST_HEAD(&pinstance->used_res_q); -@@ -5951,7 +5951,7 @@ static int pmcraid_probe(struct pci_dev *pdev, - /* Schedule worker thread to handle CCN and take care of adding and - * removing devices to OS - */ -- atomic_set(&pinstance->expose_resources, 1); -+ atomic_set_unchecked(&pinstance->expose_resources, 1); - schedule_work(&pinstance->worker_q); - return rc; - -diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h -index e1d150f..6c6df44 100644 ---- a/drivers/scsi/pmcraid.h -+++ b/drivers/scsi/pmcraid.h -@@ -748,7 +748,7 @@ struct pmcraid_instance { - struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS]; - - /* Message id as filled in last fired IOARCB, used to identify HRRQ */ -- atomic_t last_message_id; -+ atomic_unchecked_t last_message_id; - - /* configuration table */ - struct pmcraid_config_table *cfg_table; -@@ -777,7 +777,7 @@ struct pmcraid_instance { - atomic_t outstanding_cmds; - - /* should add/delete resources to mid-layer now ?*/ -- atomic_t expose_resources; -+ atomic_unchecked_t expose_resources; - - - -@@ -813,8 +813,8 @@ struct pmcraid_resource_entry { - struct pmcraid_config_table_entry_ext cfg_entry_ext; - }; - struct scsi_device *scsi_dev; /* Link scsi_device structure */ -- atomic_t read_failures; /* count of failed READ commands */ -- atomic_t write_failures; /* count of failed WRITE commands */ -+ atomic_unchecked_t read_failures; /* count of failed READ commands */ -+ atomic_unchecked_t write_failures; /* count of failed WRITE commands */ - - /* To indicate add/delete/modify during CCN */ - u8 change_detected; -diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c -index 82b92c4..3178171 100644 ---- a/drivers/scsi/qla2xxx/qla_attr.c -+++ b/drivers/scsi/qla2xxx/qla_attr.c -@@ -2192,7 +2192,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) - return 0; - } - --struct fc_function_template qla2xxx_transport_functions = { -+fc_function_template_no_const qla2xxx_transport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -@@ -2240,7 +2240,7 @@ struct fc_function_template qla2xxx_transport_functions = { - .bsg_timeout = qla24xx_bsg_timeout, - }; - --struct fc_function_template qla2xxx_transport_vport_functions = { -+fc_function_template_no_const qla2xxx_transport_vport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h -index 7686bfe..4710893 100644 ---- a/drivers/scsi/qla2xxx/qla_gbl.h -+++ b/drivers/scsi/qla2xxx/qla_gbl.h -@@ -571,8 +571,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *, size_t); - struct device_attribute; - extern struct device_attribute *qla2x00_host_attrs[]; - struct fc_function_template; --extern struct fc_function_template qla2xxx_transport_functions; --extern struct fc_function_template qla2xxx_transport_vport_functions; -+extern fc_function_template_no_const qla2xxx_transport_functions; -+extern fc_function_template_no_const qla2xxx_transport_vport_functions; - extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *); - extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *, bool); - extern void qla2x00_init_host_attr(scsi_qla_host_t *); -diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c -index 7462dd7..5b64c24 100644 ---- a/drivers/scsi/qla2xxx/qla_os.c -+++ b/drivers/scsi/qla2xxx/qla_os.c -@@ -1435,8 +1435,10 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha) - !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { - /* Ok, a 64bit DMA mask is applicable. */ - ha->flags.enable_64bit_addressing = 1; -- ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; -- ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; -+ pax_open_kernel(); -+ *(void **)&ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; -+ *(void **)&ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; -+ pax_close_kernel(); - return; - } - } -diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h -index 8f6d0fb..1b21097 100644 ---- a/drivers/scsi/qla4xxx/ql4_def.h -+++ b/drivers/scsi/qla4xxx/ql4_def.h -@@ -305,7 +305,7 @@ struct ddb_entry { - * (4000 only) */ - atomic_t relogin_timer; /* Max Time to wait for - * relogin to complete */ -- atomic_t relogin_retry_count; /* Num of times relogin has been -+ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been - * retried */ - uint32_t default_time2wait; /* Default Min time between - * relogins (+aens) */ -diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c -index 6d25879..3031a9f 100644 ---- a/drivers/scsi/qla4xxx/ql4_os.c -+++ b/drivers/scsi/qla4xxx/ql4_os.c -@@ -4491,12 +4491,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) - */ - if (!iscsi_is_session_online(cls_sess)) { - /* Reset retry relogin timer */ -- atomic_inc(&ddb_entry->relogin_retry_count); -+ atomic_inc_unchecked(&ddb_entry->relogin_retry_count); - DEBUG2(ql4_printk(KERN_INFO, ha, - "%s: index[%d] relogin timed out-retrying" - " relogin (%d), retry (%d)\n", __func__, - ddb_entry->fw_ddb_index, -- atomic_read(&ddb_entry->relogin_retry_count), -+ atomic_read_unchecked(&ddb_entry->relogin_retry_count), - ddb_entry->default_time2wait + 4)); - set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); - atomic_set(&ddb_entry->retry_relogin_timer, -@@ -6604,7 +6604,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, - - atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); - atomic_set(&ddb_entry->relogin_timer, 0); -- atomic_set(&ddb_entry->relogin_retry_count, 0); -+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0); - def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); - ddb_entry->default_relogin_timeout = - (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? -diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c -index 3833bf5..95feaf1 100644 ---- a/drivers/scsi/scsi.c -+++ b/drivers/scsi/scsi.c -@@ -637,7 +637,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd) - - good_bytes = scsi_bufflen(cmd); - if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) { -- int old_good_bytes = good_bytes; -+ unsigned int old_good_bytes = good_bytes; - drv = scsi_cmd_to_driver(cmd); - if (drv->done) - good_bytes = drv->done(cmd); -diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c -index 448ebda..9bd345f 100644 ---- a/drivers/scsi/scsi_lib.c -+++ b/drivers/scsi/scsi_lib.c -@@ -1597,7 +1597,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) - shost = sdev->host; - scsi_init_cmd_errh(cmd); - cmd->result = DID_NO_CONNECT << 16; -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* - * SCSI request completion path will do scsi_device_unbusy(), -@@ -1620,9 +1620,9 @@ static void scsi_softirq_done(struct request *rq) - - INIT_LIST_HEAD(&cmd->eh_entry); - -- atomic_inc(&cmd->device->iodone_cnt); -+ atomic_inc_unchecked(&cmd->device->iodone_cnt); - if (cmd->result) -- atomic_inc(&cmd->device->ioerr_cnt); -+ atomic_inc_unchecked(&cmd->device->ioerr_cnt); - - disposition = scsi_decide_disposition(cmd); - if (disposition != SUCCESS && -@@ -1663,7 +1663,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) - struct Scsi_Host *host = cmd->device->host; - int rtn = 0; - -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* check if the device is still usable */ - if (unlikely(cmd->device->sdev_state == SDEV_DEL)) { -diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c -index 9ad4116..4e736fc 100644 ---- a/drivers/scsi/scsi_sysfs.c -+++ b/drivers/scsi/scsi_sysfs.c -@@ -788,7 +788,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \ - char *buf) \ - { \ - struct scsi_device *sdev = to_scsi_device(dev); \ -- unsigned long long count = atomic_read(&sdev->field); \ -+ unsigned long long count = atomic_read_unchecked(&sdev->field); \ - return snprintf(buf, 20, "0x%llx\n", count); \ - } \ - static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL) -diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c -index 24eaaf6..de30ec9 100644 ---- a/drivers/scsi/scsi_transport_fc.c -+++ b/drivers/scsi/scsi_transport_fc.c -@@ -502,7 +502,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class, - * Netlink Infrastructure - */ - --static atomic_t fc_event_seq; -+static atomic_unchecked_t fc_event_seq; - - /** - * fc_get_event_number - Obtain the next sequential FC event number -@@ -515,7 +515,7 @@ static atomic_t fc_event_seq; - u32 - fc_get_event_number(void) - { -- return atomic_add_return(1, &fc_event_seq); -+ return atomic_add_return_unchecked(1, &fc_event_seq); - } - EXPORT_SYMBOL(fc_get_event_number); - -@@ -659,7 +659,7 @@ static __init int fc_transport_init(void) - { - int error; - -- atomic_set(&fc_event_seq, 0); -+ atomic_set_unchecked(&fc_event_seq, 0); - - error = transport_class_register(&fc_host_class); - if (error) -@@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val) - char *cp; - - *val = simple_strtoul(buf, &cp, 0); -- if ((*cp && (*cp != '\n')) || (*val < 0)) -+ if (*cp && (*cp != '\n')) - return -EINVAL; - /* - * Check for overflow; dev_loss_tmo is u32 -diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c -index 67d43e3..8cee73c 100644 ---- a/drivers/scsi/scsi_transport_iscsi.c -+++ b/drivers/scsi/scsi_transport_iscsi.c -@@ -79,7 +79,7 @@ struct iscsi_internal { - struct transport_container session_cont; - }; - --static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ -+static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */ - static struct workqueue_struct *iscsi_eh_timer_workq; - - static DEFINE_IDA(iscsi_sess_ida); -@@ -2071,7 +2071,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) - int err; - - ihost = shost->shost_data; -- session->sid = atomic_add_return(1, &iscsi_session_nr); -+ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr); - - if (target_id == ISCSI_MAX_TARGET) { - id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL); -@@ -4515,7 +4515,7 @@ static __init int iscsi_transport_init(void) - printk(KERN_INFO "Loading iSCSI transport class v%s.\n", - ISCSI_TRANSPORT_VERSION); - -- atomic_set(&iscsi_session_nr, 0); -+ atomic_set_unchecked(&iscsi_session_nr, 0); - - err = class_register(&iscsi_transport_class); - if (err) -diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c -index f115f67..b80b2c1 100644 ---- a/drivers/scsi/scsi_transport_srp.c -+++ b/drivers/scsi/scsi_transport_srp.c -@@ -35,7 +35,7 @@ - #include "scsi_priv.h" - - struct srp_host_attrs { -- atomic_t next_port_id; -+ atomic_unchecked_t next_port_id; - }; - #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data) - -@@ -100,7 +100,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev, - struct Scsi_Host *shost = dev_to_shost(dev); - struct srp_host_attrs *srp_host = to_srp_host_attrs(shost); - -- atomic_set(&srp_host->next_port_id, 0); -+ atomic_set_unchecked(&srp_host->next_port_id, 0); - return 0; - } - -@@ -744,7 +744,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, - rport_fast_io_fail_timedout); - INIT_DELAYED_WORK(&rport->dev_loss_work, rport_dev_loss_timedout); - -- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id); -+ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id); - dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id); - - transport_setup_device(&rport->dev); -diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c -index 11ea52b..7968d4d 100644 ---- a/drivers/scsi/sd.c -+++ b/drivers/scsi/sd.c -@@ -111,7 +111,7 @@ static int sd_resume(struct device *); - static void sd_rescan(struct device *); - static int sd_init_command(struct scsi_cmnd *SCpnt); - static void sd_uninit_command(struct scsi_cmnd *SCpnt); --static int sd_done(struct scsi_cmnd *); -+static unsigned int sd_done(struct scsi_cmnd *); - static int sd_eh_action(struct scsi_cmnd *, int); - static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); - static void scsi_disk_release(struct device *cdev); -@@ -1646,7 +1646,7 @@ static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) - * - * Note: potentially run from within an ISR. Must not block. - **/ --static int sd_done(struct scsi_cmnd *SCpnt) -+static unsigned int sd_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; - unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt); -@@ -2973,7 +2973,7 @@ static int sd_probe(struct device *dev) - sdkp->disk = gd; - sdkp->index = index; - atomic_set(&sdkp->openers, 0); -- atomic_set(&sdkp->device->ioerr_cnt, 0); -+ atomic_set_unchecked(&sdkp->device->ioerr_cnt, 0); - - if (!sdp->request_queue->rq_timeout) { - if (sdp->type != TYPE_MOD) -diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c -index 9d7b7db..33ecc51 100644 ---- a/drivers/scsi/sg.c -+++ b/drivers/scsi/sg.c -@@ -1083,7 +1083,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) - sdp->disk->disk_name, - MKDEV(SCSI_GENERIC_MAJOR, sdp->index), - NULL, -- (char *)arg); -+ (char __user *)arg); - case BLKTRACESTART: - return blk_trace_startstop(sdp->device->request_queue, 1); - case BLKTRACESTOP: -diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c -index 8bd54a6..58fa0d6 100644 ---- a/drivers/scsi/sr.c -+++ b/drivers/scsi/sr.c -@@ -80,7 +80,7 @@ static DEFINE_MUTEX(sr_mutex); - static int sr_probe(struct device *); - static int sr_remove(struct device *); - static int sr_init_command(struct scsi_cmnd *SCpnt); --static int sr_done(struct scsi_cmnd *); -+static unsigned int sr_done(struct scsi_cmnd *); - static int sr_runtime_suspend(struct device *dev); - - static struct dev_pm_ops sr_pm_ops = { -@@ -312,13 +312,13 @@ do_tur: - * It will be notified on the end of a SCSI read / write, and will take one - * of several actions based on success or failure. - */ --static int sr_done(struct scsi_cmnd *SCpnt) -+static unsigned int sr_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; -- int this_count = scsi_bufflen(SCpnt); -- int good_bytes = (result == 0 ? this_count : 0); -- int block_sectors = 0; -- long error_sector; -+ unsigned int this_count = scsi_bufflen(SCpnt); -+ unsigned int good_bytes = (result == 0 ? this_count : 0); -+ unsigned int block_sectors = 0; -+ sector_t error_sector; - struct scsi_cd *cd = scsi_cd(SCpnt->request->rq_disk); - - #ifdef DEBUG -@@ -351,9 +351,12 @@ static int sr_done(struct scsi_cmnd *SCpnt) - if (cd->device->sector_size == 2048) - error_sector <<= 2; - error_sector &= ~(block_sectors - 1); -- good_bytes = (error_sector - -- blk_rq_pos(SCpnt->request)) << 9; -- if (good_bytes < 0 || good_bytes >= this_count) -+ if (error_sector >= blk_rq_pos(SCpnt->request)) { -+ good_bytes = (error_sector - -+ blk_rq_pos(SCpnt->request)) << 9; -+ if (good_bytes >= this_count) -+ good_bytes = 0; -+ } else - good_bytes = 0; - /* - * The SCSI specification allows for the value -diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c -index c0d660f..24a5854 100644 ---- a/drivers/soc/tegra/fuse/fuse-tegra.c -+++ b/drivers/soc/tegra/fuse/fuse-tegra.c -@@ -71,7 +71,7 @@ static ssize_t fuse_read(struct file *fd, struct kobject *kobj, - return i; - } - --static struct bin_attribute fuse_bin_attr = { -+static bin_attribute_no_const fuse_bin_attr = { - .attr = { .name = "fuse", .mode = S_IRUGO, }, - .read = fuse_read, - }; -diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c -index d35c1a1..eda08dc 100644 ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -2206,7 +2206,7 @@ int spi_bus_unlock(struct spi_master *master) - EXPORT_SYMBOL_GPL(spi_bus_unlock); - - /* portable code must never pass more than 32 bytes */ --#define SPI_BUFSIZ max(32, SMP_CACHE_BYTES) -+#define SPI_BUFSIZ max(32UL, SMP_CACHE_BYTES) - - static u8 *buf; - -diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c -index b41429f..2de5373 100644 ---- a/drivers/staging/android/timed_output.c -+++ b/drivers/staging/android/timed_output.c -@@ -25,7 +25,7 @@ - #include "timed_output.h" - - static struct class *timed_output_class; --static atomic_t device_count; -+static atomic_unchecked_t device_count; - - static ssize_t enable_show(struct device *dev, struct device_attribute *attr, - char *buf) -@@ -65,7 +65,7 @@ static int create_timed_output_class(void) - timed_output_class = class_create(THIS_MODULE, "timed_output"); - if (IS_ERR(timed_output_class)) - return PTR_ERR(timed_output_class); -- atomic_set(&device_count, 0); -+ atomic_set_unchecked(&device_count, 0); - timed_output_class->dev_groups = timed_output_groups; - } - -@@ -83,7 +83,7 @@ int timed_output_dev_register(struct timed_output_dev *tdev) - if (ret < 0) - return ret; - -- tdev->index = atomic_inc_return(&device_count); -+ tdev->index = atomic_inc_return_unchecked(&device_count); - tdev->dev = device_create(timed_output_class, NULL, - MKDEV(0, tdev->index), NULL, "%s", tdev->name); - if (IS_ERR(tdev->dev)) -diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c -index e78ddbe..ac437c0 100644 ---- a/drivers/staging/comedi/comedi_fops.c -+++ b/drivers/staging/comedi/comedi_fops.c -@@ -297,8 +297,8 @@ static void comedi_file_reset(struct file *file) - } - cfp->last_attached = dev->attached; - cfp->last_detach_count = dev->detach_count; -- ACCESS_ONCE(cfp->read_subdev) = read_s; -- ACCESS_ONCE(cfp->write_subdev) = write_s; -+ ACCESS_ONCE_RW(cfp->read_subdev) = read_s; -+ ACCESS_ONCE_RW(cfp->write_subdev) = write_s; - } - - static void comedi_file_check(struct file *file) -@@ -1951,7 +1951,7 @@ static int do_setrsubd_ioctl(struct comedi_device *dev, unsigned long arg, - !(s_old->async->cmd.flags & CMDF_WRITE)) - return -EBUSY; - -- ACCESS_ONCE(cfp->read_subdev) = s_new; -+ ACCESS_ONCE_RW(cfp->read_subdev) = s_new; - return 0; - } - -@@ -1993,7 +1993,7 @@ static int do_setwsubd_ioctl(struct comedi_device *dev, unsigned long arg, - (s_old->async->cmd.flags & CMDF_WRITE)) - return -EBUSY; - -- ACCESS_ONCE(cfp->write_subdev) = s_new; -+ ACCESS_ONCE_RW(cfp->write_subdev) = s_new; - return 0; - } - -diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c -index 53b748b..a5ae0b3 100644 ---- a/drivers/staging/fbtft/fbtft-core.c -+++ b/drivers/staging/fbtft/fbtft-core.c -@@ -680,7 +680,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, - { - struct fb_info *info; - struct fbtft_par *par; -- struct fb_ops *fbops = NULL; -+ fb_ops_no_const *fbops = NULL; - struct fb_deferred_io *fbdefio = NULL; - struct fbtft_platform_data *pdata = dev->platform_data; - u8 *vmem = NULL; -diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h -index 9fd98cb..a9cf912 100644 ---- a/drivers/staging/fbtft/fbtft.h -+++ b/drivers/staging/fbtft/fbtft.h -@@ -106,7 +106,7 @@ struct fbtft_ops { - - int (*set_var)(struct fbtft_par *par); - int (*set_gamma)(struct fbtft_par *par, unsigned long *curves); --}; -+} __no_const; - - /** - * struct fbtft_display - Describes the display properties -diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c -index 001348c..cfaac8a 100644 ---- a/drivers/staging/gdm724x/gdm_tty.c -+++ b/drivers/staging/gdm724x/gdm_tty.c -@@ -44,7 +44,7 @@ - #define gdm_tty_send_control(n, r, v, d, l) (\ - n->tty_dev->send_control(n->tty_dev->priv_dev, r, v, d, l)) - --#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count) -+#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && atomic_read(&gdm->port.count)) - - static struct tty_driver *gdm_driver[TTY_MAX_COUNT]; - static struct gdm *gdm_table[TTY_MAX_COUNT][GDM_TTY_MINOR]; -diff --git a/drivers/staging/i2o/i2o.h b/drivers/staging/i2o/i2o.h -index d23c3c2..eb63c81 100644 ---- a/drivers/staging/i2o/i2o.h -+++ b/drivers/staging/i2o/i2o.h -@@ -565,7 +565,7 @@ struct i2o_controller { - struct i2o_device *exec; /* Executive */ - #if BITS_PER_LONG == 64 - spinlock_t context_list_lock; /* lock for context_list */ -- atomic_t context_list_counter; /* needed for unique contexts */ -+ atomic_unchecked_t context_list_counter; /* needed for unique contexts */ - struct list_head context_list; /* list of context id's - and pointers */ - #endif -diff --git a/drivers/staging/i2o/i2o_proc.c b/drivers/staging/i2o/i2o_proc.c -index 780fee3..ca9dcae 100644 ---- a/drivers/staging/i2o/i2o_proc.c -+++ b/drivers/staging/i2o/i2o_proc.c -@@ -253,12 +253,6 @@ static char *scsi_devices[] = { - "Array Controller Device" - }; - --static char *chtostr(char *tmp, u8 *chars, int n) --{ -- tmp[0] = 0; -- return strncat(tmp, (char *)chars, n); --} -- - static int i2o_report_query_status(struct seq_file *seq, int block_status, - char *group) - { -@@ -711,9 +705,9 @@ static int i2o_seq_show_status(struct seq_file *seq, void *v) - static int i2o_seq_show_hw(struct seq_file *seq, void *v) - { - struct i2o_controller *c = (struct i2o_controller *)seq->private; -- static u32 work32[5]; -- static u8 *work8 = (u8 *) work32; -- static u16 *work16 = (u16 *) work32; -+ u32 work32[5]; -+ u8 *work8 = (u8 *) work32; -+ u16 *work16 = (u16 *) work32; - int token; - u32 hwcap; - -@@ -794,7 +788,6 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v) - } *result; - - i2o_exec_execute_ddm_table ddm_table; -- char tmp[28 + 1]; - - result = kmalloc(sizeof(*result), GFP_KERNEL); - if (!result) -@@ -829,8 +822,7 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v) - - seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id); - seq_printf(seq, "%-#8x", ddm_table.module_id); -- seq_printf(seq, "%-29s", -- chtostr(tmp, ddm_table.module_name_version, 28)); -+ seq_printf(seq, "%-.28s", ddm_table.module_name_version); - seq_printf(seq, "%9d ", ddm_table.data_size); - seq_printf(seq, "%8d", ddm_table.code_size); - -@@ -897,7 +889,6 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v) - - i2o_driver_result_table *result; - i2o_driver_store_table *dst; -- char tmp[28 + 1]; - - result = kmalloc(sizeof(i2o_driver_result_table), GFP_KERNEL); - if (result == NULL) -@@ -932,9 +923,8 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v) - - seq_printf(seq, "%-#7x", dst->i2o_vendor_id); - seq_printf(seq, "%-#8x", dst->module_id); -- seq_printf(seq, "%-29s", -- chtostr(tmp, dst->module_name_version, 28)); -- seq_printf(seq, "%-9s", chtostr(tmp, dst->date, 8)); -+ seq_printf(seq, "%-.28s", dst->module_name_version); -+ seq_printf(seq, "%-.8s", dst->date); - seq_printf(seq, "%8d ", dst->module_size); - seq_printf(seq, "%8d ", dst->mpb_size); - seq_printf(seq, "0x%04x", dst->module_flags); -@@ -1250,11 +1240,10 @@ static int i2o_seq_show_authorized_users(struct seq_file *seq, void *v) - static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v) - { - struct i2o_device *d = (struct i2o_device *)seq->private; -- static u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number -+ u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number - // == (allow) 512d bytes (max) -- static u16 *work16 = (u16 *) work32; -+ u16 *work16 = (u16 *) work32; - int token; -- char tmp[16 + 1]; - - token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32)); - -@@ -1266,14 +1255,10 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v) - seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0])); - seq_printf(seq, "Owner TID : %0#5x\n", work16[2]); - seq_printf(seq, "Parent TID : %0#5x\n", work16[3]); -- seq_printf(seq, "Vendor info : %s\n", -- chtostr(tmp, (u8 *) (work32 + 2), 16)); -- seq_printf(seq, "Product info : %s\n", -- chtostr(tmp, (u8 *) (work32 + 6), 16)); -- seq_printf(seq, "Description : %s\n", -- chtostr(tmp, (u8 *) (work32 + 10), 16)); -- seq_printf(seq, "Product rev. : %s\n", -- chtostr(tmp, (u8 *) (work32 + 14), 8)); -+ seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2)); -+ seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6)); -+ seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10)); -+ seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14)); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, (u8 *) (work32 + 16), -@@ -1310,8 +1295,6 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v) - u8 pad[256]; // allow up to 256 byte (max) serial number - } result; - -- char tmp[24 + 1]; -- - token = i2o_parm_field_get(d, 0xF101, -1, &result, sizeof(result)); - - if (token < 0) { -@@ -1320,10 +1303,8 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v) - } - - seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid); -- seq_printf(seq, "Module name : %s\n", -- chtostr(tmp, result.module_name, 24)); -- seq_printf(seq, "Module revision : %s\n", -- chtostr(tmp, result.module_rev, 8)); -+ seq_printf(seq, "Module name : %.24s\n", result.module_name); -+ seq_printf(seq, "Module revision : %.8s\n", result.module_rev); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, result.serial_number, sizeof(result) - 36); -@@ -1347,8 +1328,6 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - u8 instance_number[4]; - } result; - -- char tmp[64 + 1]; -- - token = i2o_parm_field_get(d, 0xF102, -1, &result, sizeof(result)); - - if (token < 0) { -@@ -1356,14 +1335,10 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - return 0; - } - -- seq_printf(seq, "Device name : %s\n", -- chtostr(tmp, result.device_name, 64)); -- seq_printf(seq, "Service name : %s\n", -- chtostr(tmp, result.service_name, 64)); -- seq_printf(seq, "Physical name : %s\n", -- chtostr(tmp, result.physical_location, 64)); -- seq_printf(seq, "Instance number : %s\n", -- chtostr(tmp, result.instance_number, 4)); -+ seq_printf(seq, "Device name : %.64s\n", result.device_name); -+ seq_printf(seq, "Service name : %.64s\n", result.service_name); -+ seq_printf(seq, "Physical name : %.64s\n", result.physical_location); -+ seq_printf(seq, "Instance number : %.4s\n", result.instance_number); - - return 0; - } -@@ -1372,9 +1347,9 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - static int i2o_seq_show_sgl_limits(struct seq_file *seq, void *v) - { - struct i2o_device *d = (struct i2o_device *)seq->private; -- static u32 work32[12]; -- static u16 *work16 = (u16 *) work32; -- static u8 *work8 = (u8 *) work32; -+ u32 work32[12]; -+ u16 *work16 = (u16 *) work32; -+ u8 *work8 = (u8 *) work32; - int token; - - token = i2o_parm_field_get(d, 0xF103, -1, &work32, sizeof(work32)); -diff --git a/drivers/staging/i2o/iop.c b/drivers/staging/i2o/iop.c -index 23bdbe4..4e1f340 100644 ---- a/drivers/staging/i2o/iop.c -+++ b/drivers/staging/i2o/iop.c -@@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_controller * c, void *ptr) - - spin_lock_irqsave(&c->context_list_lock, flags); - -- if (unlikely(atomic_inc_and_test(&c->context_list_counter))) -- atomic_inc(&c->context_list_counter); -+ if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter))) -+ atomic_inc_unchecked(&c->context_list_counter); - -- entry->context = atomic_read(&c->context_list_counter); -+ entry->context = atomic_read_unchecked(&c->context_list_counter); - - list_add(&entry->list, &c->context_list); - -@@ -1076,7 +1076,7 @@ struct i2o_controller *i2o_iop_alloc(void) - - #if BITS_PER_LONG == 64 - spin_lock_init(&c->context_list_lock); -- atomic_set(&c->context_list_counter, 0); -+ atomic_set_unchecked(&c->context_list_counter, 0); - INIT_LIST_HEAD(&c->context_list); - #endif - -diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c -index b892f2c..9b4898a 100644 ---- a/drivers/staging/iio/accel/lis3l02dq_ring.c -+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c -@@ -118,7 +118,7 @@ static int lis3l02dq_get_buffer_element(struct iio_dev *indio_dev, - int scan_count = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength); - -- rx_array = kcalloc(4, scan_count, GFP_KERNEL); -+ rx_array = kcalloc(scan_count, 4, GFP_KERNEL); - if (!rx_array) - return -ENOMEM; - ret = lis3l02dq_read_all(indio_dev, rx_array); -diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c -index d98e229..9c59bc2 100644 ---- a/drivers/staging/iio/adc/ad7280a.c -+++ b/drivers/staging/iio/adc/ad7280a.c -@@ -547,8 +547,8 @@ static int ad7280_attr_init(struct ad7280_state *st) - { - int dev, ch, cnt; - -- st->iio_attr = kcalloc(2, sizeof(*st->iio_attr) * -- (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, -+ st->iio_attr = kcalloc(sizeof(*st->iio_attr) * -+ (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, 2, - GFP_KERNEL); - if (st->iio_attr == NULL) - return -ENOMEM; -diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c -index 658f458..0564216 100644 ---- a/drivers/staging/lustre/lnet/selftest/brw_test.c -+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c -@@ -487,13 +487,11 @@ brw_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --sfw_test_client_ops_t brw_test_client; --void brw_init_test_client(void) --{ -- brw_test_client.tso_init = brw_client_init; -- brw_test_client.tso_fini = brw_client_fini; -- brw_test_client.tso_prep_rpc = brw_client_prep_rpc; -- brw_test_client.tso_done_rpc = brw_client_done_rpc; -+sfw_test_client_ops_t brw_test_client = { -+ .tso_init = brw_client_init, -+ .tso_fini = brw_client_fini, -+ .tso_prep_rpc = brw_client_prep_rpc, -+ .tso_done_rpc = brw_client_done_rpc, - }; - - srpc_service_t brw_test_service; -diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c -index a93a90d..c51dde6 100644 ---- a/drivers/staging/lustre/lnet/selftest/framework.c -+++ b/drivers/staging/lustre/lnet/selftest/framework.c -@@ -1628,12 +1628,10 @@ static srpc_service_t sfw_services[] = { - - extern sfw_test_client_ops_t ping_test_client; - extern srpc_service_t ping_test_service; --extern void ping_init_test_client(void); - extern void ping_init_test_service(void); - - extern sfw_test_client_ops_t brw_test_client; - extern srpc_service_t brw_test_service; --extern void brw_init_test_client(void); - extern void brw_init_test_service(void); - - -@@ -1675,12 +1673,10 @@ sfw_startup(void) - INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs); - INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions); - -- brw_init_test_client(); - brw_init_test_service(); - rc = sfw_register_test(&brw_test_service, &brw_test_client); - LASSERT(rc == 0); - -- ping_init_test_client(); - ping_init_test_service(); - rc = sfw_register_test(&ping_test_service, &ping_test_client); - LASSERT(rc == 0); -diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c -index 644069a..83cbd26 100644 ---- a/drivers/staging/lustre/lnet/selftest/ping_test.c -+++ b/drivers/staging/lustre/lnet/selftest/ping_test.c -@@ -211,14 +211,12 @@ ping_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --sfw_test_client_ops_t ping_test_client; --void ping_init_test_client(void) --{ -- ping_test_client.tso_init = ping_client_init; -- ping_test_client.tso_fini = ping_client_fini; -- ping_test_client.tso_prep_rpc = ping_client_prep_rpc; -- ping_test_client.tso_done_rpc = ping_client_done_rpc; --} -+sfw_test_client_ops_t ping_test_client = { -+ .tso_init = ping_client_init, -+ .tso_fini = ping_client_fini, -+ .tso_prep_rpc = ping_client_prep_rpc, -+ .tso_done_rpc = ping_client_done_rpc, -+}; - - srpc_service_t ping_test_service; - void ping_init_test_service(void) -diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h -index bac9902..0225fe1 100644 ---- a/drivers/staging/lustre/lustre/include/lustre_dlm.h -+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h -@@ -1139,7 +1139,7 @@ struct ldlm_callback_suite { - ldlm_completion_callback lcs_completion; - ldlm_blocking_callback lcs_blocking; - ldlm_glimpse_callback lcs_glimpse; --}; -+} __no_const; - - /* ldlm_lockd.c */ - int ldlm_del_waiting_lock(struct ldlm_lock *lock); -diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h -index 2a88b80..62e7e5f 100644 ---- a/drivers/staging/lustre/lustre/include/obd.h -+++ b/drivers/staging/lustre/lustre/include/obd.h -@@ -1362,7 +1362,7 @@ struct md_ops { - * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a - * wrapper function in include/linux/obd_class.h. - */ --}; -+} __no_const; - - struct lsm_operations { - void (*lsm_free)(struct lov_stripe_md *); -diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -index a4c252f..b21acac 100644 ---- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -@@ -258,7 +258,7 @@ ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, int first_enq, - int added = (mode == LCK_NL); - int overlaps = 0; - int splitted = 0; -- const struct ldlm_callback_suite null_cbs = { NULL }; -+ const struct ldlm_callback_suite null_cbs = { }; - - CDEBUG(D_DLMTRACE, - "flags %#llx owner %llu pid %u mode %u start %llu end %llu\n", -diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c -index f0ee76a..1d01af9 100644 ---- a/drivers/staging/lustre/lustre/libcfs/module.c -+++ b/drivers/staging/lustre/lustre/libcfs/module.c -@@ -380,11 +380,11 @@ out: - - - struct cfs_psdev_ops libcfs_psdev_ops = { -- libcfs_psdev_open, -- libcfs_psdev_release, -- NULL, -- NULL, -- libcfs_ioctl -+ .p_open = libcfs_psdev_open, -+ .p_close = libcfs_psdev_release, -+ .p_read = NULL, -+ .p_write = NULL, -+ .p_ioctl = libcfs_ioctl - }; - - static int init_libcfs_module(void) -@@ -631,7 +631,7 @@ static int proc_console_max_delay_cs(struct ctl_table *table, int write, - loff_t *ppos) - { - int rc, max_delay_cs; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - long d; - - dummy.data = &max_delay_cs; -@@ -664,7 +664,7 @@ static int proc_console_min_delay_cs(struct ctl_table *table, int write, - loff_t *ppos) - { - int rc, min_delay_cs; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - long d; - - dummy.data = &min_delay_cs; -@@ -696,7 +696,7 @@ static int proc_console_backoff(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - int rc, backoff; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - - dummy.data = &backoff; - dummy.proc_handler = &proc_dointvec; -diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c -index 22667db..8b703b6 100644 ---- a/drivers/staging/octeon/ethernet-rx.c -+++ b/drivers/staging/octeon/ethernet-rx.c -@@ -354,14 +354,14 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) - /* Increment RX stats for virtual ports */ - if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) { - #ifdef CONFIG_64BIT -- atomic64_add(1, -+ atomic64_add_unchecked(1, - (atomic64_t *)&priv->stats.rx_packets); -- atomic64_add(skb->len, -+ atomic64_add_unchecked(skb->len, - (atomic64_t *)&priv->stats.rx_bytes); - #else -- atomic_add(1, -+ atomic_add_unchecked(1, - (atomic_t *)&priv->stats.rx_packets); -- atomic_add(skb->len, -+ atomic_add_unchecked(skb->len, - (atomic_t *)&priv->stats.rx_bytes); - #endif - } -@@ -373,10 +373,10 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) - dev->name); - */ - #ifdef CONFIG_64BIT -- atomic64_add(1, -+ atomic64_add_unchecked(1, - (atomic64_t *)&priv->stats.rx_dropped); - #else -- atomic_add(1, -+ atomic_add_unchecked(1, - (atomic_t *)&priv->stats.rx_dropped); - #endif - dev_kfree_skb_irq(skb); -diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c -index fbbe866..2943243 100644 ---- a/drivers/staging/octeon/ethernet.c -+++ b/drivers/staging/octeon/ethernet.c -@@ -251,11 +251,11 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev) - * since the RX tasklet also increments it. - */ - #ifdef CONFIG_64BIT -- atomic64_add(rx_status.dropped_packets, -- (atomic64_t *)&priv->stats.rx_dropped); -+ atomic64_add_unchecked(rx_status.dropped_packets, -+ (atomic64_unchecked_t *)&priv->stats.rx_dropped); - #else -- atomic_add(rx_status.dropped_packets, -- (atomic_t *)&priv->stats.rx_dropped); -+ atomic_add_unchecked(rx_status.dropped_packets, -+ (atomic_unchecked_t *)&priv->stats.rx_dropped); - #endif - } - -diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h -index 3b476d8..f522d68 100644 ---- a/drivers/staging/rtl8188eu/include/hal_intf.h -+++ b/drivers/staging/rtl8188eu/include/hal_intf.h -@@ -225,7 +225,7 @@ struct hal_ops { - - void (*hal_notch_filter)(struct adapter *adapter, bool enable); - void (*hal_reset_security_engine)(struct adapter *adapter); --}; -+} __no_const; - - enum rt_eeprom_type { - EEPROM_93C46, -diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h -index 070cc03..6806e37 100644 ---- a/drivers/staging/rtl8712/rtl871x_io.h -+++ b/drivers/staging/rtl8712/rtl871x_io.h -@@ -108,7 +108,7 @@ struct _io_ops { - u8 *pmem); - u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, - u8 *pmem); --}; -+} __no_const; - - struct io_req { - struct list_head list; -diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c -index dbbb2f8..5232114 100644 ---- a/drivers/staging/sm750fb/sm750.c -+++ b/drivers/staging/sm750fb/sm750.c -@@ -780,6 +780,7 @@ static struct fb_ops lynxfb_ops = { - .fb_set_par = lynxfb_ops_set_par, - .fb_setcolreg = lynxfb_ops_setcolreg, - .fb_blank = lynxfb_ops_blank, -+ .fb_pan_display = lynxfb_ops_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_imageblit = cfb_imageblit, - .fb_copyarea = cfb_copyarea, -@@ -827,8 +828,10 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - par->index = index; - output->channel = &crtc->channel; - sm750fb_set_drv(par); -- lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; - -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; -+ pax_close_kernel(); - - /* set current cursor variable and proc pointer, - * must be set after crtc member initialized */ -@@ -850,7 +853,9 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - crtc->cursor.share = share; - memset_io(crtc->cursor.vstart, 0, crtc->cursor.size); - if (!g_hwcursor) { -- lynxfb_ops.fb_cursor = NULL; -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_cursor = NULL; -+ pax_close_kernel(); - crtc->cursor.disable(&crtc->cursor); - } - -@@ -858,9 +863,11 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - /* set info->fbops, must be set before fb_find_mode */ - if (!share->accel_off) { - /* use 2d acceleration */ -- lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; -- lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; -- lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; -+ *(void **)&lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; -+ *(void **)&lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; -+ pax_close_kernel(); - } - info->fbops = &lynxfb_ops; - -diff --git a/drivers/staging/unisys/visorchipset/visorchipset.h b/drivers/staging/unisys/visorchipset/visorchipset.h -index bd46df9..a0a5274 100644 ---- a/drivers/staging/unisys/visorchipset/visorchipset.h -+++ b/drivers/staging/unisys/visorchipset/visorchipset.h -@@ -170,7 +170,7 @@ struct visorchipset_busdev_notifiers { - void (*device_resume)(ulong bus_no, ulong dev_no); - int (*get_channel_info)(uuid_le type_uuid, ulong *min_size, - ulong *max_size); --}; -+} __no_const; - - /* These functions live inside visorchipset, and will be called to indicate - * responses to specific events (by code outside of visorchipset). -@@ -185,7 +185,7 @@ struct visorchipset_busdev_responders { - void (*device_destroy)(ulong bus_no, ulong dev_no, int response); - void (*device_pause)(ulong bus_no, ulong dev_no, int response); - void (*device_resume)(ulong bus_no, ulong dev_no, int response); --}; -+} __no_const; - - /** Register functions (in the bus driver) to get called by visorchipset - * whenever a bus or device appears for which this service partition is -diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c -index 18b0f97..9c7716e 100644 ---- a/drivers/target/sbp/sbp_target.c -+++ b/drivers/target/sbp/sbp_target.c -@@ -61,7 +61,7 @@ static const u32 sbp_unit_directory_template[] = { - - #define SESSION_MAINTENANCE_INTERVAL HZ - --static atomic_t login_id = ATOMIC_INIT(0); -+static atomic_unchecked_t login_id = ATOMIC_INIT(0); - - static void session_maintenance_work(struct work_struct *); - static int sbp_run_transaction(struct fw_card *, int, int, int, int, -@@ -443,7 +443,7 @@ static void sbp_management_request_login( - login->lun = se_lun; - login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo); - login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc)); -- login->login_id = atomic_inc_return(&login_id); -+ login->login_id = atomic_inc_return_unchecked(&login_id); - - login->tgt_agt = sbp_target_agent_register(login); - if (IS_ERR(login->tgt_agt)) { -diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c -index ce5f768..a4f884a 100644 ---- a/drivers/target/target_core_device.c -+++ b/drivers/target/target_core_device.c -@@ -1496,7 +1496,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) - spin_lock_init(&dev->se_tmr_lock); - spin_lock_init(&dev->qf_cmd_lock); - sema_init(&dev->caw_sem, 1); -- atomic_set(&dev->dev_ordered_id, 0); -+ atomic_set_unchecked(&dev->dev_ordered_id, 0); - INIT_LIST_HEAD(&dev->t10_wwn.t10_vpd_list); - spin_lock_init(&dev->t10_wwn.t10_vpd_lock); - INIT_LIST_HEAD(&dev->t10_pr.registration_list); -diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c -index 675f2d9..1389429 100644 ---- a/drivers/target/target_core_transport.c -+++ b/drivers/target/target_core_transport.c -@@ -1208,7 +1208,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd) - * Used to determine when ORDERED commands should go from - * Dormant to Active status. - */ -- cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id); -+ cmd->se_ordered_id = atomic_inc_return_unchecked(&dev->dev_ordered_id); - pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", - cmd->se_ordered_id, cmd->sam_task_attr, - dev->transport->name); -diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c -index 031018e..90981a1 100644 ---- a/drivers/thermal/int340x_thermal/int3400_thermal.c -+++ b/drivers/thermal/int340x_thermal/int3400_thermal.c -@@ -272,8 +272,10 @@ static int int3400_thermal_probe(struct platform_device *pdev) - platform_set_drvdata(pdev, priv); - - if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) { -- int3400_thermal_ops.get_mode = int3400_thermal_get_mode; -- int3400_thermal_ops.set_mode = int3400_thermal_set_mode; -+ pax_open_kernel(); -+ *(void **)&int3400_thermal_ops.get_mode = int3400_thermal_get_mode; -+ *(void **)&int3400_thermal_ops.set_mode = int3400_thermal_set_mode; -+ pax_close_kernel(); - } - priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0, - priv, &int3400_thermal_ops, -diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c -index 668fb1b..2737bbe 100644 ---- a/drivers/thermal/of-thermal.c -+++ b/drivers/thermal/of-thermal.c -@@ -31,6 +31,7 @@ - #include <linux/export.h> - #include <linux/string.h> - #include <linux/thermal.h> -+#include <linux/mm.h> - - #include "thermal_core.h" - -@@ -412,9 +413,11 @@ thermal_zone_of_add_sensor(struct device_node *zone, - tz->ops = ops; - tz->sensor_data = data; - -- tzd->ops->get_temp = of_thermal_get_temp; -- tzd->ops->get_trend = of_thermal_get_trend; -- tzd->ops->set_emul_temp = of_thermal_set_emul_temp; -+ pax_open_kernel(); -+ *(void **)&tzd->ops->get_temp = of_thermal_get_temp; -+ *(void **)&tzd->ops->get_trend = of_thermal_get_trend; -+ *(void **)&tzd->ops->set_emul_temp = of_thermal_set_emul_temp; -+ pax_close_kernel(); - mutex_unlock(&tzd->lock); - - return tzd; -@@ -544,9 +547,11 @@ void thermal_zone_of_sensor_unregister(struct device *dev, - return; - - mutex_lock(&tzd->lock); -- tzd->ops->get_temp = NULL; -- tzd->ops->get_trend = NULL; -- tzd->ops->set_emul_temp = NULL; -+ pax_open_kernel(); -+ *(void **)&tzd->ops->get_temp = NULL; -+ *(void **)&tzd->ops->get_trend = NULL; -+ *(void **)&tzd->ops->set_emul_temp = NULL; -+ pax_close_kernel(); - - tz->ops = NULL; - tz->sensor_data = NULL; -diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c -index 9ea3d9d..53e8792 100644 ---- a/drivers/thermal/x86_pkg_temp_thermal.c -+++ b/drivers/thermal/x86_pkg_temp_thermal.c -@@ -567,7 +567,7 @@ static int pkg_temp_thermal_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block pkg_temp_thermal_notifier __refdata = { -+static struct notifier_block pkg_temp_thermal_notifier __refconst = { - .notifier_call = pkg_temp_thermal_cpu_callback, - }; - -diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c -index fd66f57..48e6376 100644 ---- a/drivers/tty/cyclades.c -+++ b/drivers/tty/cyclades.c -@@ -1570,10 +1570,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp) - printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line, - info->port.count); - #endif -- info->port.count++; -+ atomic_inc(&info->port.count); - #ifdef CY_DEBUG_COUNT - printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n", -- current->pid, info->port.count); -+ current->pid, atomic_read(&info->port.count)); - #endif - - /* -@@ -3974,7 +3974,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v) - for (j = 0; j < cy_card[i].nports; j++) { - info = &cy_card[i].ports[j]; - -- if (info->port.count) { -+ if (atomic_read(&info->port.count)) { - /* XXX is the ldisc num worth this? */ - struct tty_struct *tty; - struct tty_ldisc *ld; -diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c -index 4fcec1d..5a036f7 100644 ---- a/drivers/tty/hvc/hvc_console.c -+++ b/drivers/tty/hvc/hvc_console.c -@@ -342,7 +342,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - /* Check and then increment for fast path open. */ -- if (hp->port.count++ > 0) { -+ if (atomic_inc_return(&hp->port.count) > 1) { - spin_unlock_irqrestore(&hp->port.lock, flags); - hvc_kick(); - return 0; -@@ -397,7 +397,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - /* We are done with the tty pointer now. */ - tty_port_tty_set(&hp->port, NULL); -@@ -419,9 +419,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - */ - tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT); - } else { -- if (hp->port.count < 0) -+ if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvc_close %X: oops, count is %d\n", -- hp->vtermno, hp->port.count); -+ hp->vtermno, atomic_read(&hp->port.count)); - spin_unlock_irqrestore(&hp->port.lock, flags); - } - } -@@ -451,12 +451,12 @@ static void hvc_hangup(struct tty_struct *tty) - * open->hangup case this can be called after the final close so prevent - * that from happening for now. - */ -- if (hp->port.count <= 0) { -+ if (atomic_read(&hp->port.count) <= 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - return; - } - -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - spin_unlock_irqrestore(&hp->port.lock, flags); - tty_port_tty_set(&hp->port, NULL); - -@@ -504,7 +504,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count - return -EPIPE; - - /* FIXME what's this (unprotected) check for? */ -- if (hp->port.count <= 0) -+ if (atomic_read(&hp->port.count) <= 0) - return -EIO; - - spin_lock_irqsave(&hp->lock, flags); -diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c -index 81ff7e1..dfb7b71 100644 ---- a/drivers/tty/hvc/hvcs.c -+++ b/drivers/tty/hvc/hvcs.c -@@ -83,6 +83,7 @@ - #include <asm/hvcserver.h> - #include <asm/uaccess.h> - #include <asm/vio.h> -+#include <asm/local.h> - - /* - * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00). -@@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut - - spin_lock_irqsave(&hvcsd->lock, flags); - -- if (hvcsd->port.count > 0) { -+ if (atomic_read(&hvcsd->port.count) > 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. " - "The hvcs device node is still in use.\n"); -@@ -1127,7 +1128,7 @@ static int hvcs_install(struct tty_driver *driver, struct tty_struct *tty) - } - } - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - hvcsd->port.tty = tty; - tty->driver_data = hvcsd; - -@@ -1180,7 +1181,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp) - unsigned long flags; - - spin_lock_irqsave(&hvcsd->lock, flags); -- hvcsd->port.count++; -+ atomic_inc(&hvcsd->port.count); - hvcsd->todo_mask |= HVCS_SCHED_READ; - spin_unlock_irqrestore(&hvcsd->lock, flags); - -@@ -1216,7 +1217,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - hvcsd = tty->driver_data; - - spin_lock_irqsave(&hvcsd->lock, flags); -- if (--hvcsd->port.count == 0) { -+ if (atomic_dec_and_test(&hvcsd->port.count)) { - - vio_disable_interrupts(hvcsd->vdev); - -@@ -1241,10 +1242,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - - free_irq(irq, hvcsd); - return; -- } else if (hvcsd->port.count < 0) { -+ } else if (atomic_read(&hvcsd->port.count) < 0) { - printk(KERN_ERR "HVCS: vty-server@%X open_count: %d" - " is missmanaged.\n", -- hvcsd->vdev->unit_address, hvcsd->port.count); -+ hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count)); - } - - spin_unlock_irqrestore(&hvcsd->lock, flags); -@@ -1266,7 +1267,7 @@ static void hvcs_hangup(struct tty_struct * tty) - - spin_lock_irqsave(&hvcsd->lock, flags); - /* Preserve this so that we know how many kref refs to put */ -- temp_open_count = hvcsd->port.count; -+ temp_open_count = atomic_read(&hvcsd->port.count); - - /* - * Don't kref put inside the spinlock because the destruction -@@ -1281,7 +1282,7 @@ static void hvcs_hangup(struct tty_struct * tty) - tty->driver_data = NULL; - hvcsd->port.tty = NULL; - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - - /* This will drop any buffered data on the floor which is OK in a hangup - * scenario. */ -@@ -1352,7 +1353,7 @@ static int hvcs_write(struct tty_struct *tty, - * the middle of a write operation? This is a crummy place to do this - * but we want to keep it all in the spinlock. - */ -- if (hvcsd->port.count <= 0) { -+ if (atomic_read(&hvcsd->port.count) <= 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - return -ENODEV; - } -@@ -1426,7 +1427,7 @@ static int hvcs_write_room(struct tty_struct *tty) - { - struct hvcs_struct *hvcsd = tty->driver_data; - -- if (!hvcsd || hvcsd->port.count <= 0) -+ if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0) - return 0; - - return HVCS_BUFF_LEN - hvcsd->chars_in_buffer; -diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c -index 4190199..06d5bfa 100644 ---- a/drivers/tty/hvc/hvsi.c -+++ b/drivers/tty/hvc/hvsi.c -@@ -85,7 +85,7 @@ struct hvsi_struct { - int n_outbuf; - uint32_t vtermno; - uint32_t virq; -- atomic_t seqno; /* HVSI packet sequence number */ -+ atomic_unchecked_t seqno; /* HVSI packet sequence number */ - uint16_t mctrl; - uint8_t state; /* HVSI protocol state */ - uint8_t flags; -@@ -295,7 +295,7 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno) - - packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query_response); -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.verb = VSV_SEND_VERSION_NUMBER; - packet.u.version = HVSI_VERSION; - packet.query_seqno = query_seqno+1; -@@ -555,7 +555,7 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb) - - packet.hdr.type = VS_QUERY_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query); -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.verb = verb; - - pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); -@@ -597,7 +597,7 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl) - int wrote; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER, -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = sizeof(struct hvsi_control); - packet.verb = VSV_SET_MODEM_CTL; - packet.mask = HVSI_TSDTR; -@@ -680,7 +680,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count) - BUG_ON(count > HVSI_MAX_OUTGOING_DATA); - - packet.hdr.type = VS_DATA_PACKET_HEADER; -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = count + sizeof(struct hvsi_header); - memcpy(&packet.data, buf, count); - -@@ -697,7 +697,7 @@ static void hvsi_close_protocol(struct hvsi_struct *hp) - struct hvsi_control packet __ALIGNED__; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER; -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = 6; - packet.verb = VSV_CLOSE_PROTOCOL; - -@@ -725,7 +725,7 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp) - - tty_port_tty_set(&hp->port, tty); - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count++; -+ atomic_inc(&hp->port.count); - atomic_set(&hp->seqno, 0); - h_vio_signal(hp->vtermno, VIO_IRQ_ENABLE); - spin_unlock_irqrestore(&hp->lock, flags); -@@ -782,7 +782,7 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - tty_port_tty_set(&hp->port, NULL); - hp->inbuf_end = hp->inbuf; /* discard remaining partial packets */ - -@@ -815,9 +815,9 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - } -- } else if (hp->port.count < 0) -+ } else if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvsi_close %lu: oops, count is %d\n", -- hp - hvsi_ports, hp->port.count); -+ hp - hvsi_ports, atomic_read(&hp->port.count)); - - spin_unlock_irqrestore(&hp->lock, flags); - } -@@ -832,7 +832,7 @@ static void hvsi_hangup(struct tty_struct *tty) - tty_port_tty_set(&hp->port, NULL); - - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - hp->n_outbuf = 0; - spin_unlock_irqrestore(&hp->lock, flags); - } -diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c -index a270f04..7c77b5d 100644 ---- a/drivers/tty/hvc/hvsi_lib.c -+++ b/drivers/tty/hvc/hvsi_lib.c -@@ -8,7 +8,7 @@ - - static int hvsi_send_packet(struct hvsi_priv *pv, struct hvsi_header *packet) - { -- packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno)); -+ packet->seqno = cpu_to_be16(atomic_inc_return_unchecked(&pv->seqno)); - - /* Assumes that always succeeds, works in practice */ - return pv->put_chars(pv->termno, (char *)packet, packet->len); -@@ -20,7 +20,7 @@ static void hvsi_start_handshake(struct hvsi_priv *pv) - - /* Reset state */ - pv->established = 0; -- atomic_set(&pv->seqno, 0); -+ atomic_set_unchecked(&pv->seqno, 0); - - pr_devel("HVSI@%x: Handshaking started\n", pv->termno); - -diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c -index 345cebb..d5a1e9e 100644 ---- a/drivers/tty/ipwireless/tty.c -+++ b/drivers/tty/ipwireless/tty.c -@@ -28,6 +28,7 @@ - #include <linux/tty_driver.h> - #include <linux/tty_flip.h> - #include <linux/uaccess.h> -+#include <asm/local.h> - - #include "tty.h" - #include "network.h" -@@ -93,10 +94,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) -+ if (atomic_read(&tty->port.count) == 0) - tty->tx_bytes_queued = 0; - -- tty->port.count++; -+ atomic_inc(&tty->port.count); - - tty->port.tty = linux_tty; - linux_tty->driver_data = tty; -@@ -112,9 +113,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - - static void do_ipw_close(struct ipw_tty *tty) - { -- tty->port.count--; -- -- if (tty->port.count == 0) { -+ if (atomic_dec_return(&tty->port.count) == 0) { - struct tty_struct *linux_tty = tty->port.tty; - - if (linux_tty != NULL) { -@@ -135,7 +134,7 @@ static void ipw_hangup(struct tty_struct *linux_tty) - return; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) { -+ if (atomic_read(&tty->port.count) == 0) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -158,7 +157,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data, - - mutex_lock(&tty->ipw_tty_mutex); - -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -197,7 +196,7 @@ static int ipw_write(struct tty_struct *linux_tty, - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return -EINVAL; - } -@@ -237,7 +236,7 @@ static int ipw_write_room(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued; -@@ -279,7 +278,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) - if (!tty) - return 0; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return 0; - - return tty->tx_bytes_queued; -@@ -360,7 +359,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return get_control_lines(tty); -@@ -376,7 +375,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return set_control_lines(tty, set, clear); -@@ -390,7 +389,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - /* FIXME: Exactly how is the tty object locked here .. */ -@@ -546,7 +545,7 @@ void ipwireless_tty_free(struct ipw_tty *tty) - * are gone */ - mutex_lock(&ttyj->ipw_tty_mutex); - } -- while (ttyj->port.count) -+ while (atomic_read(&ttyj->port.count)) - do_ipw_close(ttyj); - ipwireless_disassociate_network_ttys(network, - ttyj->channel_idx); -diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c -index 14c54e0..1efd4f2 100644 ---- a/drivers/tty/moxa.c -+++ b/drivers/tty/moxa.c -@@ -1189,7 +1189,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) - } - - ch = &brd->ports[port % MAX_PORTS_PER_BOARD]; -- ch->port.count++; -+ atomic_inc(&ch->port.count); - tty->driver_data = ch; - tty_port_tty_set(&ch->port, tty); - mutex_lock(&ch->port.mutex); -diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c -index 2c34c32..81d10e1 100644 ---- a/drivers/tty/n_gsm.c -+++ b/drivers/tty/n_gsm.c -@@ -1644,7 +1644,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr) - spin_lock_init(&dlci->lock); - mutex_init(&dlci->mutex); - dlci->fifo = &dlci->_fifo; -- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) { -+ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) { - kfree(dlci); - return NULL; - } -@@ -2958,7 +2958,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp) - struct gsm_dlci *dlci = tty->driver_data; - struct tty_port *port = &dlci->port; - -- port->count++; -+ atomic_inc(&port->count); - tty_port_tty_set(port, tty); - - dlci->modem_rx = 0; -diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c -index 16ed0b6..7d944b4 100644 ---- a/drivers/tty/n_tty.c -+++ b/drivers/tty/n_tty.c -@@ -116,7 +116,7 @@ struct n_tty_data { - int minimum_to_wake; - - /* consumer-published */ -- size_t read_tail; -+ size_t read_tail __intentional_overflow(-1); - size_t line_start; - - /* protected by output lock */ -@@ -2582,6 +2582,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops) - { - *ops = tty_ldisc_N_TTY; - ops->owner = NULL; -- ops->refcount = ops->flags = 0; -+ atomic_set(&ops->refcount, 0); -+ ops->flags = 0; - } - EXPORT_SYMBOL_GPL(n_tty_inherit_ops); -diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c -index 4d5e840..a2340a6 100644 ---- a/drivers/tty/pty.c -+++ b/drivers/tty/pty.c -@@ -849,8 +849,10 @@ static void __init unix98_pty_init(void) - panic("Couldn't register Unix98 pts driver"); - - /* Now create the /dev/ptmx special device */ -+ pax_open_kernel(); - tty_default_fops(&ptmx_fops); -- ptmx_fops.open = ptmx_open; -+ *(void **)&ptmx_fops.open = ptmx_open; -+ pax_close_kernel(); - - cdev_init(&ptmx_cdev, &ptmx_fops); - if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || -diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c -index c8dd8dc..dca6cfd 100644 ---- a/drivers/tty/rocket.c -+++ b/drivers/tty/rocket.c -@@ -914,7 +914,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - tty_port_tty_set(port, tty); - -- if (port->count++ == 0) { -+ if (atomic_inc_return(&port->count) == 1) { - atomic_inc(&rp_num_ports_open); - - #ifdef ROCKET_DEBUG_OPEN -@@ -923,7 +923,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - #endif - } - #ifdef ROCKET_DEBUG_OPEN -- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count); -+ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic-read(&info->port.count)); - #endif - - /* -@@ -1515,7 +1515,7 @@ static void rp_hangup(struct tty_struct *tty) - spin_unlock_irqrestore(&info->port.lock, flags); - return; - } -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - atomic_dec(&rp_num_ports_open); - clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]); - spin_unlock_irqrestore(&info->port.lock, flags); -diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c -index 4506e40..ac0b470 100644 ---- a/drivers/tty/serial/8250/8250_core.c -+++ b/drivers/tty/serial/8250/8250_core.c -@@ -3241,9 +3241,9 @@ static void univ8250_release_port(struct uart_port *port) - - static void univ8250_rsa_support(struct uart_ops *ops) - { -- ops->config_port = univ8250_config_port; -- ops->request_port = univ8250_request_port; -- ops->release_port = univ8250_release_port; -+ *(void **)&ops->config_port = univ8250_config_port; -+ *(void **)&ops->request_port = univ8250_request_port; -+ *(void **)&ops->release_port = univ8250_release_port; - } - - #else -@@ -3286,8 +3286,10 @@ static void __init serial8250_isa_init_ports(void) - } - - /* chain base port ops to support Remote Supervisor Adapter */ -- univ8250_port_ops = *base_ops; -+ pax_open_kernel(); -+ memcpy((void *)&univ8250_port_ops, base_ops, sizeof univ8250_port_ops); - univ8250_rsa_support(&univ8250_port_ops); -+ pax_close_kernel(); - - if (share_irqs) - irqflag = IRQF_SHARED; -diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c -index aa28209..e08fb85 100644 ---- a/drivers/tty/serial/ioc4_serial.c -+++ b/drivers/tty/serial/ioc4_serial.c -@@ -437,7 +437,7 @@ struct ioc4_soft { - } is_intr_info[MAX_IOC4_INTR_ENTS]; - - /* Number of entries active in the above array */ -- atomic_t is_num_intrs; -+ atomic_unchecked_t is_num_intrs; - } is_intr_type[IOC4_NUM_INTR_TYPES]; - - /* is_ir_lock must be held while -@@ -974,7 +974,7 @@ intr_connect(struct ioc4_soft *soft, int type, - BUG_ON(!((type == IOC4_SIO_INTR_TYPE) - || (type == IOC4_OTHER_INTR_TYPE))); - -- i = atomic_inc_return(&soft-> is_intr_type[type].is_num_intrs) - 1; -+ i = atomic_inc_return_unchecked(&soft-> is_intr_type[type].is_num_intrs) - 1; - BUG_ON(!(i < MAX_IOC4_INTR_ENTS || (printk("i %d\n", i), 0))); - - /* Save off the lower level interrupt handler */ -@@ -1001,7 +1001,7 @@ static irqreturn_t ioc4_intr(int irq, void *arg) - - soft = arg; - for (intr_type = 0; intr_type < IOC4_NUM_INTR_TYPES; intr_type++) { -- num_intrs = (int)atomic_read( -+ num_intrs = (int)atomic_read_unchecked( - &soft->is_intr_type[intr_type].is_num_intrs); - - this_mir = this_ir = pending_intrs(soft, intr_type); -diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c -index 129dc5b..1da5bb8 100644 ---- a/drivers/tty/serial/kgdb_nmi.c -+++ b/drivers/tty/serial/kgdb_nmi.c -@@ -53,7 +53,9 @@ static int kgdb_nmi_console_setup(struct console *co, char *options) - * I/O utilities that messages sent to the console will automatically - * be displayed on the dbg_io. - */ -- dbg_io_ops->is_console = true; -+ pax_open_kernel(); -+ *(int *)&dbg_io_ops->is_console = true; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c -index a260cde..6b2b5ce 100644 ---- a/drivers/tty/serial/kgdboc.c -+++ b/drivers/tty/serial/kgdboc.c -@@ -24,8 +24,9 @@ - #define MAX_CONFIG_LEN 40 - - static struct kgdb_io kgdboc_io_ops; -+static struct kgdb_io kgdboc_io_ops_console; - --/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */ -+/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */ - static int configured = -1; - - static char config[MAX_CONFIG_LEN]; -@@ -151,6 +152,8 @@ static void cleanup_kgdboc(void) - kgdboc_unregister_kbd(); - if (configured == 1) - kgdb_unregister_io_module(&kgdboc_io_ops); -+ else if (configured == 2) -+ kgdb_unregister_io_module(&kgdboc_io_ops_console); - } - - static int configure_kgdboc(void) -@@ -160,13 +163,13 @@ static int configure_kgdboc(void) - int err; - char *cptr = config; - struct console *cons; -+ int is_console = 0; - - err = kgdboc_option_setup(config); - if (err || !strlen(config) || isspace(config[0])) - goto noconfig; - - err = -ENODEV; -- kgdboc_io_ops.is_console = 0; - kgdb_tty_driver = NULL; - - kgdboc_use_kms = 0; -@@ -187,7 +190,7 @@ static int configure_kgdboc(void) - int idx; - if (cons->device && cons->device(cons, &idx) == p && - idx == tty_line) { -- kgdboc_io_ops.is_console = 1; -+ is_console = 1; - break; - } - cons = cons->next; -@@ -197,7 +200,13 @@ static int configure_kgdboc(void) - kgdb_tty_line = tty_line; - - do_register: -- err = kgdb_register_io_module(&kgdboc_io_ops); -+ if (is_console) { -+ err = kgdb_register_io_module(&kgdboc_io_ops_console); -+ configured = 2; -+ } else { -+ err = kgdb_register_io_module(&kgdboc_io_ops); -+ configured = 1; -+ } - if (err) - goto noconfig; - -@@ -205,8 +214,6 @@ do_register: - if (err) - goto nmi_con_failed; - -- configured = 1; -- - return 0; - - nmi_con_failed: -@@ -223,7 +230,7 @@ noconfig: - static int __init init_kgdboc(void) - { - /* Already configured? */ -- if (configured == 1) -+ if (configured >= 1) - return 0; - - return configure_kgdboc(); -@@ -272,7 +279,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp) - if (config[len - 1] == '\n') - config[len - 1] = '\0'; - -- if (configured == 1) -+ if (configured >= 1) - cleanup_kgdboc(); - - /* Go and configure with the new params. */ -@@ -312,6 +319,15 @@ static struct kgdb_io kgdboc_io_ops = { - .post_exception = kgdboc_post_exp_handler, - }; - -+static struct kgdb_io kgdboc_io_ops_console = { -+ .name = "kgdboc", -+ .read_char = kgdboc_get_char, -+ .write_char = kgdboc_put_char, -+ .pre_exception = kgdboc_pre_exp_handler, -+ .post_exception = kgdboc_post_exp_handler, -+ .is_console = 1 -+}; -+ - #ifdef CONFIG_KGDB_SERIAL_CONSOLE - /* This is only available if kgdboc is a built in for early debugging */ - static int __init kgdboc_early_init(char *opt) -diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c -index b73889c..9f74f0a 100644 ---- a/drivers/tty/serial/msm_serial.c -+++ b/drivers/tty/serial/msm_serial.c -@@ -1012,7 +1012,7 @@ static struct uart_driver msm_uart_driver = { - .cons = MSM_CONSOLE, - }; - --static atomic_t msm_uart_next_id = ATOMIC_INIT(0); -+static atomic_unchecked_t msm_uart_next_id = ATOMIC_INIT(0); - - static const struct of_device_id msm_uartdm_table[] = { - { .compatible = "qcom,msm-uartdm-v1.1", .data = (void *)UARTDM_1P1 }, -@@ -1036,7 +1036,7 @@ static int msm_serial_probe(struct platform_device *pdev) - line = pdev->id; - - if (line < 0) -- line = atomic_inc_return(&msm_uart_next_id) - 1; -+ line = atomic_inc_return_unchecked(&msm_uart_next_id) - 1; - - if (unlikely(line < 0 || line >= UART_NR)) - return -ENXIO; -diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c -index a0ae942..befa48d 100644 ---- a/drivers/tty/serial/samsung.c -+++ b/drivers/tty/serial/samsung.c -@@ -987,11 +987,16 @@ static void s3c24xx_serial_shutdown(struct uart_port *port) - ourport->tx_in_progress = 0; - } - -+static int s3c64xx_serial_startup(struct uart_port *port); - static int s3c24xx_serial_startup(struct uart_port *port) - { - struct s3c24xx_uart_port *ourport = to_ourport(port); - int ret; - -+ /* Startup sequence is different for s3c64xx and higher SoC's */ -+ if (s3c24xx_serial_has_interrupt_mask(port)) -+ return s3c64xx_serial_startup(port); -+ - dbg("s3c24xx_serial_startup: port=%p (%08llx,%p)\n", - port, (unsigned long long)port->mapbase, port->membase); - -@@ -1698,10 +1703,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, - /* setup info for port */ - port->dev = &platdev->dev; - -- /* Startup sequence is different for s3c64xx and higher SoC's */ -- if (s3c24xx_serial_has_interrupt_mask(port)) -- s3c24xx_serial_ops.startup = s3c64xx_serial_startup; -- - port->uartclk = 1; - - if (cfg->uart_flags & UPF_CONS_FLOW) { -diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c -index ec54044..fc93d3f 100644 ---- a/drivers/tty/serial/serial_core.c -+++ b/drivers/tty/serial/serial_core.c -@@ -1376,7 +1376,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) - state = drv->state + tty->index; - port = &state->port; - spin_lock_irq(&port->lock); -- --port->count; -+ atomic_dec(&port->count); - spin_unlock_irq(&port->lock); - return; - } -@@ -1386,7 +1386,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) - - pr_debug("uart_close(%d) called\n", uport ? uport->line : -1); - -- if (!port->count || tty_port_close_start(port, tty, filp) == 0) -+ if (!atomic_read(&port->count) || tty_port_close_start(port, tty, filp) == 0) - return; - - /* -@@ -1511,7 +1511,7 @@ static void uart_hangup(struct tty_struct *tty) - uart_flush_buffer(tty); - uart_shutdown(tty, state); - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); - spin_unlock_irqrestore(&port->lock, flags); - tty_port_tty_set(port, NULL); -@@ -1598,7 +1598,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) - pr_debug("uart_open(%d) called\n", line); - - spin_lock_irq(&port->lock); -- ++port->count; -+ atomic_inc(&port->count); - spin_unlock_irq(&port->lock); - - /* -diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c -index b1c6bd3..5f038e2 100644 ---- a/drivers/tty/serial/uartlite.c -+++ b/drivers/tty/serial/uartlite.c -@@ -341,13 +341,13 @@ static int ulite_request_port(struct uart_port *port) - return -EBUSY; - } - -- port->private_data = &uartlite_be; -+ port->private_data = (void *)&uartlite_be; - ret = uart_in32(ULITE_CONTROL, port); - uart_out32(ULITE_CONTROL_RST_TX, ULITE_CONTROL, port); - ret = uart_in32(ULITE_STATUS, port); - /* Endianess detection */ - if ((ret & ULITE_STATUS_TXEMPTY) != ULITE_STATUS_TXEMPTY) -- port->private_data = &uartlite_le; -+ port->private_data = (void *)&uartlite_le; - - return 0; - } -diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c -index b799170..87dafd5 100644 ---- a/drivers/tty/synclink.c -+++ b/drivers/tty/synclink.c -@@ -3090,7 +3090,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -3108,7 +3108,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - - } /* end of mgsl_close() */ - -@@ -3207,8 +3207,8 @@ static void mgsl_hangup(struct tty_struct *tty) - - mgsl_flush_buffer(tty); - shutdown(info); -- -- info->port.count = 0; -+ -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - -@@ -3296,10 +3296,10 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready before block on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->irq_spinlock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->irq_spinlock, flags); - port->blocked_open++; - -@@ -3327,7 +3327,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3339,12 +3339,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - /* FIXME: Racy on hangup during close wait */ - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready after blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -3396,7 +3396,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_open(%s), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -3415,10 +3415,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -3442,8 +3442,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if (atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -7661,7 +7661,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -7756,7 +7756,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -7842,7 +7842,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c -index 0e8c39b..e0cb171 100644 ---- a/drivers/tty/synclink_gt.c -+++ b/drivers/tty/synclink_gt.c -@@ -670,7 +670,7 @@ static int open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - info->port.tty = tty; - -- DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count))); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -691,10 +691,10 @@ static int open(struct tty_struct *tty, struct file *filp) - mutex_unlock(&info->port.mutex); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) { -@@ -715,8 +715,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - DBGINFO(("%s open rc=%d\n", info->device_name, retval)); -@@ -729,7 +729,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (sanity_check(info, tty->name, "close")) - return; -- DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count))); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -746,7 +746,7 @@ static void close(struct tty_struct *tty, struct file *filp) - tty_port_close_end(&info->port, tty); - info->port.tty = NULL; - cleanup: -- DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count)); -+ DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count))); - } - - static void hangup(struct tty_struct *tty) -@@ -764,7 +764,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); -@@ -1449,7 +1449,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - DBGINFO(("%s hdlcdev_attach\n", info->device_name)); -@@ -1544,7 +1544,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - DBGINFO(("%s hdlc_open busy\n", dev->name)); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1629,7 +1629,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - DBGINFO(("%s hdlcdev_ioctl\n", dev->name)); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2413,7 +2413,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id) - if (port == NULL) - continue; - spin_lock(&port->lock); -- if ((port->port.count || port->netcount) && -+ if ((atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested) { - DBGISR(("%s bh queued\n", port->device_name)); -@@ -3299,7 +3299,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - add_wait_queue(&port->open_wait, &wait); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3335,7 +3335,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - remove_wait_queue(&port->open_wait, &wait); - - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (!retval) -diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c -index c3f9091..abe4601 100644 ---- a/drivers/tty/synclinkmp.c -+++ b/drivers/tty/synclinkmp.c -@@ -750,7 +750,7 @@ static int open(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s open(), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -769,10 +769,10 @@ static int open(struct tty_struct *tty, struct file *filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -796,8 +796,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -815,7 +815,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -834,7 +834,7 @@ static void close(struct tty_struct *tty, struct file *filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - } - - /* Called by tty_hangup() when a hangup is signaled. -@@ -857,7 +857,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); -@@ -1565,7 +1565,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -1660,7 +1660,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1746,7 +1746,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2621,7 +2621,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id) - * do not request bottom half processing if the - * device is not open in a normal mode. - */ -- if ( port && (port->port.count || port->netcount) && -+ if ( port && (atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested ) { - if ( debug_level >= DEBUG_LEVEL_ISR ) -@@ -3318,10 +3318,10 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() before block, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3349,7 +3349,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3359,12 +3359,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - set_current_state(TASK_RUNNING); - remove_wait_queue(&port->open_wait, &wait); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() after, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c -index 9ffdfcf..fd81170 100644 ---- a/drivers/tty/sysrq.c -+++ b/drivers/tty/sysrq.c -@@ -1069,7 +1069,7 @@ EXPORT_SYMBOL(unregister_sysrq_key); - static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) - { -- if (count) { -+ if (count && capable(CAP_SYS_ADMIN)) { - char c; - - if (get_user(c, buf)) -diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c -index e569546..fbce20c 100644 ---- a/drivers/tty/tty_io.c -+++ b/drivers/tty/tty_io.c -@@ -3509,7 +3509,7 @@ EXPORT_SYMBOL(tty_devnum); - - void tty_default_fops(struct file_operations *fops) - { -- *fops = tty_fops; -+ memcpy((void *)fops, &tty_fops, sizeof(tty_fops)); - } - - /* -diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c -index 3737f55..7cef448 100644 ---- a/drivers/tty/tty_ldisc.c -+++ b/drivers/tty/tty_ldisc.c -@@ -71,7 +71,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc) - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); - tty_ldiscs[disc] = new_ldisc; - new_ldisc->num = disc; -- new_ldisc->refcount = 0; -+ atomic_set(&new_ldisc->refcount, 0); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - - return ret; -@@ -99,7 +99,7 @@ int tty_unregister_ldisc(int disc) - return -EINVAL; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- if (tty_ldiscs[disc]->refcount) -+ if (atomic_read(&tty_ldiscs[disc]->refcount)) - ret = -EBUSY; - else - tty_ldiscs[disc] = NULL; -@@ -120,7 +120,7 @@ static struct tty_ldisc_ops *get_ldops(int disc) - if (ldops) { - ret = ERR_PTR(-EAGAIN); - if (try_module_get(ldops->owner)) { -- ldops->refcount++; -+ atomic_inc(&ldops->refcount); - ret = ldops; - } - } -@@ -133,7 +133,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops) - unsigned long flags; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- ldops->refcount--; -+ atomic_dec(&ldops->refcount); - module_put(ldops->owner); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - } -diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c -index 40b31835..94d92ae 100644 ---- a/drivers/tty/tty_port.c -+++ b/drivers/tty/tty_port.c -@@ -236,7 +236,7 @@ void tty_port_hangup(struct tty_port *port) - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - port->flags &= ~ASYNC_NORMAL_ACTIVE; - tty = port->tty; - if (tty) -@@ -398,7 +398,7 @@ int tty_port_block_til_ready(struct tty_port *port, - - /* The port lock protects the port counts */ - spin_lock_irqsave(&port->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -440,7 +440,7 @@ int tty_port_block_til_ready(struct tty_port *port, - we must not mess that up further */ - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - if (retval == 0) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -476,19 +476,19 @@ int tty_port_close_start(struct tty_port *port, - return 0; - - spin_lock_irqsave(&port->lock, flags); -- if (tty->count == 1 && port->count != 1) { -+ if (tty->count == 1 && atomic_read(&port->count) != 1) { - printk(KERN_WARNING - "tty_port_close_start: tty->count = 1 port count = %d.\n", -- port->count); -- port->count = 1; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - printk(KERN_WARNING "tty_port_close_start: count = %d\n", -- port->count); -- port->count = 0; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } - -- if (port->count) { -+ if (atomic_read(&port->count)) { - spin_unlock_irqrestore(&port->lock, flags); - return 0; - } -@@ -590,7 +590,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, - struct file *filp) - { - spin_lock_irq(&port->lock); -- ++port->count; -+ atomic_inc(&port->count); - spin_unlock_irq(&port->lock); - tty_port_tty_set(port, tty); - -diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c -index 8a89f6e..50b32af 100644 ---- a/drivers/tty/vt/keyboard.c -+++ b/drivers/tty/vt/keyboard.c -@@ -641,6 +641,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag) - kbd->kbdmode == VC_OFF) && - value != KVAL(K_SAK)) - return; /* SAK is allowed even in raw mode */ -+ -+#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP) -+ { -+ void *func = fn_handler[value]; -+ if (func == fn_show_state || func == fn_show_ptregs || -+ func == fn_show_mem) -+ return; -+ } -+#endif -+ - fn_handler[value](vc); - } - -@@ -1776,9 +1786,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) - return -EFAULT; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - switch (cmd) { - case KDGKBENT: - /* Ensure another thread doesn't free it under us */ -@@ -1793,6 +1800,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - spin_unlock_irqrestore(&kbd_event_lock, flags); - return put_user(val, &user_kbe->kb_value); - case KDSKBENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) - return -EPERM; - if (!i && v == K_NOSUCHMAP) { -@@ -1883,9 +1893,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - int i, j, k; - int ret; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); - if (!kbs) { - ret = -ENOMEM; -@@ -1919,6 +1926,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); - case KDSKBSENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) { - ret = -EPERM; - goto reterr; -diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c -index 65bf067..b3b2e13 100644 ---- a/drivers/uio/uio.c -+++ b/drivers/uio/uio.c -@@ -25,6 +25,7 @@ - #include <linux/kobject.h> - #include <linux/cdev.h> - #include <linux/uio_driver.h> -+#include <asm/local.h> - - #define UIO_MAX_DEVICES (1U << MINORBITS) - -@@ -231,7 +232,7 @@ static ssize_t event_show(struct device *dev, - struct device_attribute *attr, char *buf) - { - struct uio_device *idev = dev_get_drvdata(dev); -- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event)); -+ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event)); - } - static DEVICE_ATTR_RO(event); - -@@ -393,7 +394,7 @@ void uio_event_notify(struct uio_info *info) - { - struct uio_device *idev = info->uio_dev; - -- atomic_inc(&idev->event); -+ atomic_inc_unchecked(&idev->event); - wake_up_interruptible(&idev->wait); - kill_fasync(&idev->async_queue, SIGIO, POLL_IN); - } -@@ -446,7 +447,7 @@ static int uio_open(struct inode *inode, struct file *filep) - } - - listener->dev = idev; -- listener->event_count = atomic_read(&idev->event); -+ listener->event_count = atomic_read_unchecked(&idev->event); - filep->private_data = listener; - - if (idev->info->open) { -@@ -497,7 +498,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait) - return -EIO; - - poll_wait(filep, &idev->wait, wait); -- if (listener->event_count != atomic_read(&idev->event)) -+ if (listener->event_count != atomic_read_unchecked(&idev->event)) - return POLLIN | POLLRDNORM; - return 0; - } -@@ -522,7 +523,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf, - do { - set_current_state(TASK_INTERRUPTIBLE); - -- event_count = atomic_read(&idev->event); -+ event_count = atomic_read_unchecked(&idev->event); - if (event_count != listener->event_count) { - if (copy_to_user(buf, &event_count, count)) - retval = -EFAULT; -@@ -579,9 +580,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf, - static int uio_find_mem_index(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -+ unsigned long size; - - if (vma->vm_pgoff < MAX_UIO_MAPS) { -- if (idev->info->mem[vma->vm_pgoff].size == 0) -+ size = idev->info->mem[vma->vm_pgoff].size; -+ if (size == 0) -+ return -1; -+ if (vma->vm_end - vma->vm_start > size) - return -1; - return (int)vma->vm_pgoff; - } -@@ -813,7 +818,7 @@ int __uio_register_device(struct module *owner, - idev->owner = owner; - idev->info = info; - init_waitqueue_head(&idev->wait); -- atomic_set(&idev->event, 0); -+ atomic_set_unchecked(&idev->event, 0); - - ret = uio_get_minor(idev); - if (ret) -diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c -index 813d4d3..a71934f 100644 ---- a/drivers/usb/atm/cxacru.c -+++ b/drivers/usb/atm/cxacru.c -@@ -472,7 +472,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev, - ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp); - if (ret < 2) - return -EINVAL; -- if (index < 0 || index > 0x7f) -+ if (index > 0x7f) - return -EINVAL; - pos += tmp; - -diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c -index dada014..1d0d517 100644 ---- a/drivers/usb/atm/usbatm.c -+++ b/drivers/usb/atm/usbatm.c -@@ -331,7 +331,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", - __func__, vpi, vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - -@@ -358,7 +358,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (length > ATM_MAX_AAL5_PDU) { - atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", - __func__, length, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -367,14 +367,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (sarb->len < pdu_length) { - atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", - __func__, pdu_length, sarb->len, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - - if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) { - atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", - __func__, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -386,7 +386,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_err(instance, "%s: no memory for skb (length: %u)!\n", - __func__, length); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto out; - } - -@@ -414,7 +414,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - - vcc->push(vcc, skb); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - out: - skb_trim(sarb, 0); - } -@@ -612,7 +612,7 @@ static void usbatm_tx_process(unsigned long data) - struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc; - - usbatm_pop(vcc, skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - skb = skb_dequeue(&instance->sndqueue); - } -@@ -756,11 +756,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t *pos, char *page - if (!left--) - return sprintf(page, - "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n", -- atomic_read(&atm_dev->stats.aal5.tx), -- atomic_read(&atm_dev->stats.aal5.tx_err), -- atomic_read(&atm_dev->stats.aal5.rx), -- atomic_read(&atm_dev->stats.aal5.rx_err), -- atomic_read(&atm_dev->stats.aal5.rx_drop)); -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop)); - - if (!left--) { - if (instance->disconnected) -diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c -index 2a3bbdf..91d72cf 100644 ---- a/drivers/usb/core/devices.c -+++ b/drivers/usb/core/devices.c -@@ -126,7 +126,7 @@ static const char format_endpt[] = - * time it gets called. - */ - static struct device_connect_event { -- atomic_t count; -+ atomic_unchecked_t count; - wait_queue_head_t wait; - } device_event = { - .count = ATOMIC_INIT(1), -@@ -164,7 +164,7 @@ static const struct class_info clas_info[] = { - - void usbfs_conn_disc_event(void) - { -- atomic_add(2, &device_event.count); -+ atomic_add_unchecked(2, &device_event.count); - wake_up(&device_event.wait); - } - -@@ -652,7 +652,7 @@ static unsigned int usb_device_poll(struct file *file, - - poll_wait(file, &device_event.wait, wait); - -- event_count = atomic_read(&device_event.count); -+ event_count = atomic_read_unchecked(&device_event.count); - if (file->f_version != event_count) { - file->f_version = event_count; - return POLLIN | POLLRDNORM; -diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c -index 986abde..80e8279 100644 ---- a/drivers/usb/core/devio.c -+++ b/drivers/usb/core/devio.c -@@ -187,7 +187,7 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - struct usb_dev_state *ps = file->private_data; - struct usb_device *dev = ps->dev; - ssize_t ret = 0; -- unsigned len; -+ size_t len; - loff_t pos; - int i; - -@@ -229,22 +229,22 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - for (i = 0; nbytes && i < dev->descriptor.bNumConfigurations; i++) { - struct usb_config_descriptor *config = - (struct usb_config_descriptor *)dev->rawdescriptors[i]; -- unsigned int length = le16_to_cpu(config->wTotalLength); -+ size_t length = le16_to_cpu(config->wTotalLength); - - if (*ppos < pos + length) { - - /* The descriptor may claim to be longer than it - * really is. Here is the actual allocated length. */ -- unsigned alloclen = -+ size_t alloclen = - le16_to_cpu(dev->config[i].desc.wTotalLength); - -- len = length - (*ppos - pos); -+ len = length + pos - *ppos; - if (len > nbytes) - len = nbytes; - - /* Simply don't write (skip over) unallocated parts */ - if (alloclen > (*ppos - pos)) { -- alloclen -= (*ppos - pos); -+ alloclen = alloclen + pos - *ppos; - if (copy_to_user(buf, - dev->rawdescriptors[i] + (*ppos - pos), - min(len, alloclen))) { -diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c -index 1c1385e..18400ff 100644 ---- a/drivers/usb/core/hcd.c -+++ b/drivers/usb/core/hcd.c -@@ -1554,7 +1554,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - */ - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - usbmon_urb_submit(&hcd->self, urb); - - /* NOTE requirements on root-hub callers (usbfs and the hub -@@ -1581,7 +1581,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - urb->hcpriv = NULL; - INIT_LIST_HEAD(&urb->urb_list); - atomic_dec(&urb->use_count); -- atomic_dec(&urb->dev->urbnum); -+ atomic_dec_unchecked(&urb->dev->urbnum); - if (atomic_read(&urb->reject)) - wake_up(&usb_kill_urb_queue); - usb_put_urb(urb); -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 1e9a8c9..b4248b7 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -26,6 +26,7 @@ - #include <linux/mutex.h> - #include <linux/random.h> - #include <linux/pm_qos.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/byteorder.h> -@@ -4649,6 +4650,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, - goto done; - return; - } -+ -+ if (gr_handle_new_usb()) -+ goto done; -+ - if (hub_is_superspeed(hub->hdev)) - unit_load = 150; - else -diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c -index f368d20..0c30ac5 100644 ---- a/drivers/usb/core/message.c -+++ b/drivers/usb/core/message.c -@@ -128,7 +128,7 @@ static int usb_internal_control_msg(struct usb_device *usb_dev, - * Return: If successful, the number of bytes transferred. Otherwise, a negative - * error number. - */ --int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, -+int __intentional_overflow(-1) usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, - __u8 requesttype, __u16 value, __u16 index, void *data, - __u16 size, int timeout) - { -@@ -180,7 +180,7 @@ EXPORT_SYMBOL_GPL(usb_control_msg); - * If successful, 0. Otherwise a negative error number. The number of actual - * bytes transferred will be stored in the @actual_length parameter. - */ --int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, -+int __intentional_overflow(-1) usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout) - { - return usb_bulk_msg(usb_dev, pipe, data, len, actual_length, timeout); -@@ -220,7 +220,7 @@ EXPORT_SYMBOL_GPL(usb_interrupt_msg); - * bytes transferred will be stored in the @actual_length parameter. - * - */ --int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, -+int __intentional_overflow(-1) usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout) - { - struct urb *urb; -diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c -index d269738..7340cd7 100644 ---- a/drivers/usb/core/sysfs.c -+++ b/drivers/usb/core/sysfs.c -@@ -244,7 +244,7 @@ static ssize_t urbnum_show(struct device *dev, struct device_attribute *attr, - struct usb_device *udev; - - udev = to_usb_device(dev); -- return sprintf(buf, "%d\n", atomic_read(&udev->urbnum)); -+ return sprintf(buf, "%d\n", atomic_read_unchecked(&udev->urbnum)); - } - static DEVICE_ATTR_RO(urbnum); - -diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c -index 8d5b2f4..3896940 100644 ---- a/drivers/usb/core/usb.c -+++ b/drivers/usb/core/usb.c -@@ -447,7 +447,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, - set_dev_node(&dev->dev, dev_to_node(bus->controller)); - dev->state = USB_STATE_ATTACHED; - dev->lpm_disable_count = 1; -- atomic_set(&dev->urbnum, 0); -+ atomic_set_unchecked(&dev->urbnum, 0); - - INIT_LIST_HEAD(&dev->ep0.urb_list); - dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE; -diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c -index 8cfc319..4868255 100644 ---- a/drivers/usb/early/ehci-dbgp.c -+++ b/drivers/usb/early/ehci-dbgp.c -@@ -98,7 +98,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len) - - #ifdef CONFIG_KGDB - static struct kgdb_io kgdbdbgp_io_ops; --#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops) -+static struct kgdb_io kgdbdbgp_io_ops_console; -+#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console) - #else - #define dbgp_kgdb_mode (0) - #endif -@@ -1043,6 +1044,13 @@ static struct kgdb_io kgdbdbgp_io_ops = { - .write_char = kgdbdbgp_write_char, - }; - -+static struct kgdb_io kgdbdbgp_io_ops_console = { -+ .name = "kgdbdbgp", -+ .read_char = kgdbdbgp_read_char, -+ .write_char = kgdbdbgp_write_char, -+ .is_console = 1 -+}; -+ - static int kgdbdbgp_wait_time; - - static int __init kgdbdbgp_parse_config(char *str) -@@ -1058,8 +1066,10 @@ static int __init kgdbdbgp_parse_config(char *str) - ptr++; - kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10); - } -- kgdb_register_io_module(&kgdbdbgp_io_ops); -- kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1; -+ if (early_dbgp_console.index != -1) -+ kgdb_register_io_module(&kgdbdbgp_io_ops_console); -+ else -+ kgdb_register_io_module(&kgdbdbgp_io_ops); - - return 0; - } -diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c -index 0495c94..289e201 100644 ---- a/drivers/usb/gadget/configfs.c -+++ b/drivers/usb/gadget/configfs.c -@@ -571,7 +571,7 @@ static struct config_group *function_make( - if (IS_ERR(fi)) - return ERR_CAST(fi); - -- ret = config_item_set_name(&fi->group.cg_item, name); -+ ret = config_item_set_name(&fi->group.cg_item, "%s", name); - if (ret) { - usb_put_function_instance(fi); - return ERR_PTR(ret); -diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c -index 7856b33..8b7fe09 100644 ---- a/drivers/usb/gadget/function/f_uac1.c -+++ b/drivers/usb/gadget/function/f_uac1.c -@@ -14,6 +14,7 @@ - #include <linux/module.h> - #include <linux/device.h> - #include <linux/atomic.h> -+#include <linux/module.h> - - #include "u_uac1.h" - -diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c -index 7ee05793..2e31e99 100644 ---- a/drivers/usb/gadget/function/u_serial.c -+++ b/drivers/usb/gadget/function/u_serial.c -@@ -732,9 +732,9 @@ static int gs_open(struct tty_struct *tty, struct file *file) - spin_lock_irq(&port->port_lock); - - /* already open? Great. */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - status = 0; -- port->port.count++; -+ atomic_inc(&port->port.count); - - /* currently opening/closing? wait ... */ - } else if (port->openclose) { -@@ -793,7 +793,7 @@ static int gs_open(struct tty_struct *tty, struct file *file) - tty->driver_data = port; - port->port.tty = tty; - -- port->port.count = 1; -+ atomic_set(&port->port.count, 1); - port->openclose = false; - - /* if connected, start the I/O stream */ -@@ -835,11 +835,11 @@ static void gs_close(struct tty_struct *tty, struct file *file) - - spin_lock_irq(&port->port_lock); - -- if (port->port.count != 1) { -- if (port->port.count == 0) -+ if (atomic_read(&port->port.count) != 1) { -+ if (atomic_read(&port->port.count) == 0) - WARN_ON(1); - else -- --port->port.count; -+ atomic_dec(&port->port.count); - goto exit; - } - -@@ -849,7 +849,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) - * and sleep if necessary - */ - port->openclose = true; -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - - gser = port->port_usb; - if (gser && gser->disconnect) -@@ -1065,7 +1065,7 @@ static int gs_closed(struct gs_port *port) - int cond; - - spin_lock_irq(&port->port_lock); -- cond = (port->port.count == 0) && !port->openclose; -+ cond = (atomic_read(&port->port.count) == 0) && !port->openclose; - spin_unlock_irq(&port->port_lock); - return cond; - } -@@ -1208,7 +1208,7 @@ int gserial_connect(struct gserial *gser, u8 port_num) - /* if it's already open, start I/O ... and notify the serial - * protocol about open/close status (connect/disconnect). - */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - pr_debug("gserial_connect: start ttyGS%d\n", port->port_num); - gs_start_io(port); - if (gser->connect) -@@ -1255,7 +1255,7 @@ void gserial_disconnect(struct gserial *gser) - - port->port_usb = NULL; - gser->ioport = NULL; -- if (port->port.count > 0 || port->openclose) { -+ if (atomic_read(&port->port.count) > 0 || port->openclose) { - wake_up_interruptible(&port->drain_wait); - if (port->port.tty) - tty_hangup(port->port.tty); -@@ -1271,7 +1271,7 @@ void gserial_disconnect(struct gserial *gser) - - /* finally, free any unused/unusable I/O buffers */ - spin_lock_irqsave(&port->port_lock, flags); -- if (port->port.count == 0 && !port->openclose) -+ if (atomic_read(&port->port.count) == 0 && !port->openclose) - gs_buf_free(&port->port_write_buf); - gs_free_requests(gser->out, &port->read_pool, NULL); - gs_free_requests(gser->out, &port->read_queue, NULL); -diff --git a/drivers/usb/gadget/function/u_uac1.c b/drivers/usb/gadget/function/u_uac1.c -index c78c841..48fd281 100644 ---- a/drivers/usb/gadget/function/u_uac1.c -+++ b/drivers/usb/gadget/function/u_uac1.c -@@ -17,6 +17,7 @@ - #include <linux/ctype.h> - #include <linux/random.h> - #include <linux/syscalls.h> -+#include <linux/module.h> - - #include "u_uac1.h" - -diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c -index 6920844..480bb7e 100644 ---- a/drivers/usb/host/ehci-hub.c -+++ b/drivers/usb/host/ehci-hub.c -@@ -772,7 +772,7 @@ static struct urb *request_single_step_set_feature_urb( - urb->transfer_flags = URB_DIR_IN; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - urb->setup_dma = dma_map_single( - hcd->self.controller, - urb->setup_packet, -@@ -839,7 +839,7 @@ static int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) - urb->status = -EINPROGRESS; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - retval = submit_single_step_set_feature(hcd, urb, 0); - if (!retval && !wait_for_completion_timeout(&done, - msecs_to_jiffies(2000))) { -diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c -index 1db0626..4948782 100644 ---- a/drivers/usb/host/hwa-hc.c -+++ b/drivers/usb/host/hwa-hc.c -@@ -337,7 +337,10 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc); - struct wahc *wa = &hwahc->wa; - struct device *dev = &wa->usb_iface->dev; -- u8 mas_le[UWB_NUM_MAS/8]; -+ u8 *mas_le = kmalloc(UWB_NUM_MAS/8, GFP_KERNEL); -+ -+ if (mas_le == NULL) -+ return -ENOMEM; - - /* Set the stream index */ - result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), -@@ -356,10 +359,12 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - WUSB_REQ_SET_WUSB_MAS, - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - 0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber, -- mas_le, 32, USB_CTRL_SET_TIMEOUT); -+ mas_le, UWB_NUM_MAS/8, USB_CTRL_SET_TIMEOUT); - if (result < 0) - dev_err(dev, "Cannot set WUSB MAS allocation: %d\n", result); - out: -+ kfree(mas_le); -+ - return result; - } - -diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c -index a0a3827..d7ec10b 100644 ---- a/drivers/usb/misc/appledisplay.c -+++ b/drivers/usb/misc/appledisplay.c -@@ -84,7 +84,7 @@ struct appledisplay { - struct mutex sysfslock; /* concurrent read and write */ - }; - --static atomic_t count_displays = ATOMIC_INIT(0); -+static atomic_unchecked_t count_displays = ATOMIC_INIT(0); - static struct workqueue_struct *wq; - - static void appledisplay_complete(struct urb *urb) -@@ -288,7 +288,7 @@ static int appledisplay_probe(struct usb_interface *iface, - - /* Register backlight device */ - snprintf(bl_name, sizeof(bl_name), "appledisplay%d", -- atomic_inc_return(&count_displays) - 1); -+ atomic_inc_return_unchecked(&count_displays) - 1); - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 0xff; -diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c -index 3806e70..55c508b 100644 ---- a/drivers/usb/serial/console.c -+++ b/drivers/usb/serial/console.c -@@ -126,7 +126,7 @@ static int usb_console_setup(struct console *co, char *options) - - info->port = port; - -- ++port->port.count; -+ atomic_inc(&port->port.count); - if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) { - if (serial->type->set_termios) { - /* -@@ -175,7 +175,7 @@ static int usb_console_setup(struct console *co, char *options) - } - /* Now that any required fake tty operations are completed restore - * the tty port count */ -- --port->port.count; -+ atomic_dec(&port->port.count); - /* The console is special in terms of closing the device so - * indicate this port is now acting as a system console. */ - port->port.console = 1; -@@ -188,7 +188,7 @@ static int usb_console_setup(struct console *co, char *options) - put_tty: - tty_kref_put(tty); - reset_open_count: -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - usb_autopm_put_interface(serial->interface); - error_get_interface: - usb_serial_put(serial); -@@ -199,7 +199,7 @@ static int usb_console_setup(struct console *co, char *options) - static void usb_console_write(struct console *co, - const char *buf, unsigned count) - { -- static struct usbcons_info *info = &usbcons_info; -+ struct usbcons_info *info = &usbcons_info; - struct usb_serial_port *port = info->port; - struct usb_serial *serial; - int retval = -ENODEV; -diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h -index 307e339..6aa97cb 100644 ---- a/drivers/usb/storage/usb.h -+++ b/drivers/usb/storage/usb.h -@@ -63,7 +63,7 @@ struct us_unusual_dev { - __u8 useProtocol; - __u8 useTransport; - int (*initFunction)(struct us_data *); --}; -+} __do_const; - - - /* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */ -diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h -index a863a98..d272795 100644 ---- a/drivers/usb/usbip/vhci.h -+++ b/drivers/usb/usbip/vhci.h -@@ -83,7 +83,7 @@ struct vhci_hcd { - unsigned resuming:1; - unsigned long re_timeout; - -- atomic_t seqnum; -+ atomic_unchecked_t seqnum; - - /* - * NOTE: -diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c -index e9ef1ec..c3a0b04 100644 ---- a/drivers/usb/usbip/vhci_hcd.c -+++ b/drivers/usb/usbip/vhci_hcd.c -@@ -440,7 +440,7 @@ static void vhci_tx_urb(struct urb *urb) - - spin_lock(&vdev->priv_lock); - -- priv->seqnum = atomic_inc_return(&the_controller->seqnum); -+ priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (priv->seqnum == 0xffff) - dev_info(&urb->dev->dev, "seqnum max\n"); - -@@ -685,7 +685,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) - return -ENOMEM; - } - -- unlink->seqnum = atomic_inc_return(&the_controller->seqnum); -+ unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (unlink->seqnum == 0xffff) - pr_info("seqnum max\n"); - -@@ -889,7 +889,7 @@ static int vhci_start(struct usb_hcd *hcd) - vdev->rhport = rhport; - } - -- atomic_set(&vhci->seqnum, 0); -+ atomic_set_unchecked(&vhci->seqnum, 0); - spin_lock_init(&vhci->lock); - - hcd->power_budget = 0; /* no limit */ -diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c -index 00e4a54..d676f85 100644 ---- a/drivers/usb/usbip/vhci_rx.c -+++ b/drivers/usb/usbip/vhci_rx.c -@@ -80,7 +80,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev, - if (!urb) { - pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum); - pr_info("max seqnum %d\n", -- atomic_read(&the_controller->seqnum)); -+ atomic_read_unchecked(&the_controller->seqnum)); - usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); - return; - } -diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h -index edc7267..9f65ce2 100644 ---- a/drivers/usb/wusbcore/wa-hc.h -+++ b/drivers/usb/wusbcore/wa-hc.h -@@ -240,7 +240,7 @@ struct wahc { - spinlock_t xfer_list_lock; - struct work_struct xfer_enqueue_work; - struct work_struct xfer_error_work; -- atomic_t xfer_id_count; -+ atomic_unchecked_t xfer_id_count; - - kernel_ulong_t quirks; - }; -@@ -305,7 +305,7 @@ static inline void wa_init(struct wahc *wa) - INIT_WORK(&wa->xfer_enqueue_work, wa_urb_enqueue_run); - INIT_WORK(&wa->xfer_error_work, wa_process_errored_transfers_run); - wa->dto_in_use = 0; -- atomic_set(&wa->xfer_id_count, 1); -+ atomic_set_unchecked(&wa->xfer_id_count, 1); - /* init the buf in URBs */ - for (index = 0; index < WA_MAX_BUF_IN_URBS; ++index) - usb_init_urb(&(wa->buf_in_urbs[index])); -diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c -index 69af4fd..da390d7 100644 ---- a/drivers/usb/wusbcore/wa-xfer.c -+++ b/drivers/usb/wusbcore/wa-xfer.c -@@ -314,7 +314,7 @@ static void wa_xfer_completion(struct wa_xfer *xfer) - */ - static void wa_xfer_id_init(struct wa_xfer *xfer) - { -- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count); -+ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count); - } - - /* Return the xfer's ID. */ -diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c -index e1278fe..7fdeac4 100644 ---- a/drivers/vfio/vfio.c -+++ b/drivers/vfio/vfio.c -@@ -517,7 +517,7 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev) - return 0; - - /* TODO Prevent device auto probing */ -- WARN("Device %s added to live group %d!\n", dev_name(dev), -+ WARN(1, "Device %s added to live group %d!\n", dev_name(dev), - iommu_group_id(group->iommu_group)); - - return 0; -diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c -index 3bb02c6..a01ff38 100644 ---- a/drivers/vhost/vringh.c -+++ b/drivers/vhost/vringh.c -@@ -551,7 +551,7 @@ static inline void __vringh_notify_disable(struct vringh *vrh, - static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio16 *p) - { - __virtio16 v = 0; -- int rc = get_user(v, (__force __virtio16 __user *)p); -+ int rc = get_user(v, (__force_user __virtio16 *)p); - *val = vringh16_to_cpu(vrh, v); - return rc; - } -@@ -559,12 +559,12 @@ static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio - static inline int putu16_user(const struct vringh *vrh, __virtio16 *p, u16 val) - { - __virtio16 v = cpu_to_vringh16(vrh, val); -- return put_user(v, (__force __virtio16 __user *)p); -+ return put_user(v, (__force_user __virtio16 *)p); - } - - static inline int copydesc_user(void *dst, const void *src, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - -@@ -572,19 +572,19 @@ static inline int putused_user(struct vring_used_elem *dst, - const struct vring_used_elem *src, - unsigned int num) - { -- return copy_to_user((__force void __user *)dst, src, -+ return copy_to_user((void __force_user *)dst, src, - sizeof(*dst) * num) ? -EFAULT : 0; - } - - static inline int xfer_from_user(void *src, void *dst, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - - static inline int xfer_to_user(void *dst, void *src, size_t len) - { -- return copy_to_user((__force void __user *)dst, src, len) ? -+ return copy_to_user((void __force_user *)dst, src, len) ? - -EFAULT : 0; - } - -@@ -621,9 +621,9 @@ int vringh_init_user(struct vringh *vrh, u64 features, - vrh->last_used_idx = 0; - vrh->vring.num = num; - /* vring expects kernel addresses, but only used via accessors. */ -- vrh->vring.desc = (__force struct vring_desc *)desc; -- vrh->vring.avail = (__force struct vring_avail *)avail; -- vrh->vring.used = (__force struct vring_used *)used; -+ vrh->vring.desc = (__force_kernel struct vring_desc *)desc; -+ vrh->vring.avail = (__force_kernel struct vring_avail *)avail; -+ vrh->vring.used = (__force_kernel struct vring_used *)used; - return 0; - } - EXPORT_SYMBOL(vringh_init_user); -@@ -826,7 +826,7 @@ static inline int getu16_kern(const struct vringh *vrh, - - static inline int putu16_kern(const struct vringh *vrh, __virtio16 *p, u16 val) - { -- ACCESS_ONCE(*p) = cpu_to_vringh16(vrh, val); -+ ACCESS_ONCE_RW(*p) = cpu_to_vringh16(vrh, val); - return 0; - } - -diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c -index 84a110a..96312c3 100644 ---- a/drivers/video/backlight/kb3886_bl.c -+++ b/drivers/video/backlight/kb3886_bl.c -@@ -78,7 +78,7 @@ static struct kb3886bl_machinfo *bl_machinfo; - static unsigned long kb3886bl_flags; - #define KB3886BL_SUSPENDED 0x01 - --static struct dmi_system_id kb3886bl_device_table[] __initdata = { -+static const struct dmi_system_id kb3886bl_device_table[] __initconst = { - { - .ident = "Sahara Touch-iT", - .matches = { -diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c -index 1b0b233..6f34c2c 100644 ---- a/drivers/video/fbdev/arcfb.c -+++ b/drivers/video/fbdev/arcfb.c -@@ -458,7 +458,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf, - return -ENOSPC; - - err = 0; -- if ((count + p) > fbmemlength) { -+ if (count > (fbmemlength - p)) { - count = fbmemlength - p; - err = -ENOSPC; - } -diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c -index 0156954..c07d4e0 100644 ---- a/drivers/video/fbdev/aty/aty128fb.c -+++ b/drivers/video/fbdev/aty/aty128fb.c -@@ -149,7 +149,7 @@ enum { - }; - - /* Must match above enum */ --static char * const r128_family[] = { -+static const char * const r128_family[] = { - "AGP", - "PCI", - "PRO AGP", -diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c -index 8789e48..698fe4c 100644 ---- a/drivers/video/fbdev/aty/atyfb_base.c -+++ b/drivers/video/fbdev/aty/atyfb_base.c -@@ -1326,10 +1326,14 @@ static int atyfb_set_par(struct fb_info *info) - par->accel_flags = var->accel_flags; /* hack */ - - if (var->accel_flags) { -- info->fbops->fb_sync = atyfb_sync; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_sync = atyfb_sync; -+ pax_close_kernel(); - info->flags &= ~FBINFO_HWACCEL_DISABLED; - } else { -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_sync = NULL; -+ pax_close_kernel(); - info->flags |= FBINFO_HWACCEL_DISABLED; - } - -diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c -index 2fa0317..4983f2a 100644 ---- a/drivers/video/fbdev/aty/mach64_cursor.c -+++ b/drivers/video/fbdev/aty/mach64_cursor.c -@@ -8,6 +8,7 @@ - #include "../core/fb_draw.h" - - #include <asm/io.h> -+#include <asm/pgtable.h> - - #ifdef __sparc__ - #include <asm/fbio.h> -@@ -218,7 +219,9 @@ int aty_init_cursor(struct fb_info *info) - info->sprite.buf_align = 16; /* and 64 lines tall. */ - info->sprite.flags = FB_PIXMAP_IO; - -- info->fbops->fb_cursor = atyfb_cursor; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_cursor = atyfb_cursor; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c -index d6cab1f..112f680 100644 ---- a/drivers/video/fbdev/core/fb_defio.c -+++ b/drivers/video/fbdev/core/fb_defio.c -@@ -207,7 +207,9 @@ void fb_deferred_io_init(struct fb_info *info) - - BUG_ON(!fbdefio); - mutex_init(&fbdefio->lock); -- info->fbops->fb_mmap = fb_deferred_io_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = fb_deferred_io_mmap; -+ pax_close_kernel(); - INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work); - INIT_LIST_HEAD(&fbdefio->pagelist); - if (fbdefio->delay == 0) /* set a default of 1 s */ -@@ -238,7 +240,7 @@ void fb_deferred_io_cleanup(struct fb_info *info) - page->mapping = NULL; - } - -- info->fbops->fb_mmap = NULL; -+ *(void **)&info->fbops->fb_mmap = NULL; - mutex_destroy(&fbdefio->lock); - } - EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); -diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c -index 0705d88..d9429bf 100644 ---- a/drivers/video/fbdev/core/fbmem.c -+++ b/drivers/video/fbdev/core/fbmem.c -@@ -1301,7 +1301,7 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, - __u32 data; - int err; - -- err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id)); -+ err = copy_to_user(fix32->id, &fix->id, sizeof(fix32->id)); - - data = (__u32) (unsigned long) fix->smem_start; - err |= put_user(data, &fix32->smem_start); -diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c -index 807ee22..7814cd6 100644 ---- a/drivers/video/fbdev/hyperv_fb.c -+++ b/drivers/video/fbdev/hyperv_fb.c -@@ -240,7 +240,7 @@ static uint screen_fb_size; - static inline int synthvid_send(struct hv_device *hdev, - struct synthvid_msg *msg) - { -- static atomic64_t request_id = ATOMIC64_INIT(0); -+ static atomic64_unchecked_t request_id = ATOMIC64_INIT(0); - int ret; - - msg->pipe_hdr.type = PIPE_MSG_DATA; -@@ -248,7 +248,7 @@ static inline int synthvid_send(struct hv_device *hdev, - - ret = vmbus_sendpacket(hdev->channel, msg, - msg->vid_hdr.size + sizeof(struct pipe_msg_hdr), -- atomic64_inc_return(&request_id), -+ atomic64_inc_return_unchecked(&request_id), - VM_PKT_DATA_INBAND, 0); - - if (ret) -diff --git a/drivers/video/fbdev/i810/i810_accel.c b/drivers/video/fbdev/i810/i810_accel.c -index 7672d2e..b56437f 100644 ---- a/drivers/video/fbdev/i810/i810_accel.c -+++ b/drivers/video/fbdev/i810/i810_accel.c -@@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space) - } - } - printk("ringbuffer lockup!!!\n"); -+ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space); - i810_report_error(mmio); - par->dev_flags |= LOCKUP; - info->pixmap.scan_align = 1; -diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -index a01147f..5d896f8 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -+++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -@@ -1088,14 +1088,20 @@ static void MGAG100_restore(struct matrox_fb_info *minfo) - - #ifdef CONFIG_FB_MATROX_MYSTIQUE - struct matrox_switch matrox_mystique = { -- MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore, -+ .preinit = MGA1064_preinit, -+ .reset = MGA1064_reset, -+ .init = MGA1064_init, -+ .restore = MGA1064_restore, - }; - EXPORT_SYMBOL(matrox_mystique); - #endif - - #ifdef CONFIG_FB_MATROX_G - struct matrox_switch matrox_G100 = { -- MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore, -+ .preinit = MGAG100_preinit, -+ .reset = MGAG100_reset, -+ .init = MGAG100_init, -+ .restore = MGAG100_restore, - }; - EXPORT_SYMBOL(matrox_G100); - #endif -diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -index 195ad7c..09743fc 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -+++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -@@ -738,7 +738,10 @@ static int Ti3026_preinit(struct matrox_fb_info *minfo) - } - - struct matrox_switch matrox_millennium = { -- Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore -+ .preinit = Ti3026_preinit, -+ .reset = Ti3026_reset, -+ .init = Ti3026_init, -+ .restore = Ti3026_restore - }; - EXPORT_SYMBOL(matrox_millennium); - #endif -diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -index fe92eed..106e085 100644 ---- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -+++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -@@ -312,14 +312,18 @@ void mb862xxfb_init_accel(struct fb_info *info, int xres) - struct mb862xxfb_par *par = info->par; - - if (info->var.bits_per_pixel == 32) { -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_imageblit = cfb_imageblit; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_fillrect = cfb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = cfb_copyarea; -+ *(void **)&info->fbops->fb_imageblit = cfb_imageblit; -+ pax_close_kernel(); - } else { - outreg(disp, GC_L0EM, 3); -- info->fbops->fb_fillrect = mb86290fb_fillrect; -- info->fbops->fb_copyarea = mb86290fb_copyarea; -- info->fbops->fb_imageblit = mb86290fb_imageblit; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_fillrect = mb86290fb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = mb86290fb_copyarea; -+ *(void **)&info->fbops->fb_imageblit = mb86290fb_imageblit; -+ pax_close_kernel(); - } - outreg(draw, GDC_REG_DRAW_BASE, 0); - outreg(draw, GDC_REG_MODE_MISC, 0x8000); -diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c -index 4273c6e..b413013 100644 ---- a/drivers/video/fbdev/nvidia/nvidia.c -+++ b/drivers/video/fbdev/nvidia/nvidia.c -@@ -665,19 +665,23 @@ static int nvidiafb_set_par(struct fb_info *info) - info->fix.line_length = (info->var.xres_virtual * - info->var.bits_per_pixel) >> 3; - if (info->var.accel_flags) { -- info->fbops->fb_imageblit = nvidiafb_imageblit; -- info->fbops->fb_fillrect = nvidiafb_fillrect; -- info->fbops->fb_copyarea = nvidiafb_copyarea; -- info->fbops->fb_sync = nvidiafb_sync; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_imageblit = nvidiafb_imageblit; -+ *(void **)&info->fbops->fb_fillrect = nvidiafb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = nvidiafb_copyarea; -+ *(void **)&info->fbops->fb_sync = nvidiafb_sync; -+ pax_close_kernel(); - info->pixmap.scan_align = 4; - info->flags &= ~FBINFO_HWACCEL_DISABLED; - info->flags |= FBINFO_READS_FAST; - NVResetGraphics(info); - } else { -- info->fbops->fb_imageblit = cfb_imageblit; -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_imageblit = cfb_imageblit; -+ *(void **)&info->fbops->fb_fillrect = cfb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = cfb_copyarea; -+ *(void **)&info->fbops->fb_sync = NULL; -+ pax_close_kernel(); - info->pixmap.scan_align = 1; - info->flags |= FBINFO_HWACCEL_DISABLED; - info->flags &= ~FBINFO_READS_FAST; -@@ -1169,8 +1173,11 @@ static int nvidia_set_fbinfo(struct fb_info *info) - info->pixmap.size = 8 * 1024; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - -- if (!hwcur) -- info->fbops->fb_cursor = NULL; -+ if (!hwcur) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_cursor = NULL; -+ pax_close_kernel(); -+ } - - info->var.accel_flags = (!noaccel); - -diff --git a/drivers/video/fbdev/omap2/dss/display.c b/drivers/video/fbdev/omap2/dss/display.c -index ef5b902..47cf7f5 100644 ---- a/drivers/video/fbdev/omap2/dss/display.c -+++ b/drivers/video/fbdev/omap2/dss/display.c -@@ -161,12 +161,14 @@ int omapdss_register_display(struct omap_dss_device *dssdev) - if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - -+ pax_open_kernel(); - if (drv && drv->get_resolution == NULL) -- drv->get_resolution = omapdss_default_get_resolution; -+ *(void **)&drv->get_resolution = omapdss_default_get_resolution; - if (drv && drv->get_recommended_bpp == NULL) -- drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; -+ *(void **)&drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; - if (drv && drv->get_timings == NULL) -- drv->get_timings = omapdss_default_get_timings; -+ *(void **)&drv->get_timings = omapdss_default_get_timings; -+ pax_close_kernel(); - - mutex_lock(&panel_list_mutex); - list_add_tail(&dssdev->panel_list, &panel_list); -diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c -index 83433cb..71e9b98 100644 ---- a/drivers/video/fbdev/s1d13xxxfb.c -+++ b/drivers/video/fbdev/s1d13xxxfb.c -@@ -881,8 +881,10 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) - - switch(prod_id) { - case S1D13506_PROD_ID: /* activate acceleration */ -- s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill; -- s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea; -+ pax_open_kernel(); -+ *(void **)&s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill; -+ *(void **)&s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea; -+ pax_close_kernel(); - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN | - FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA; - break; -diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c -index 82c0a8c..42499a1 100644 ---- a/drivers/video/fbdev/sh_mobile_lcdcfb.c -+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c -@@ -439,9 +439,9 @@ static unsigned long lcdc_sys_read_data(void *handle) - } - - static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { -- lcdc_sys_write_index, -- lcdc_sys_write_data, -- lcdc_sys_read_data, -+ .write_index = lcdc_sys_write_index, -+ .write_data = lcdc_sys_write_data, -+ .read_data = lcdc_sys_read_data, - }; - - static int sh_mobile_lcdc_sginit(struct fb_info *info, -diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c -index 9279e5f..d5f5276 100644 ---- a/drivers/video/fbdev/smscufx.c -+++ b/drivers/video/fbdev/smscufx.c -@@ -1174,7 +1174,9 @@ static int ufx_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = ufx_ops_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = ufx_ops_mmap; -+ pax_close_kernel(); - } - - pr_debug("released /dev/fb%d user=%d count=%d", -diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c -index ff2b873..626a8d5 100644 ---- a/drivers/video/fbdev/udlfb.c -+++ b/drivers/video/fbdev/udlfb.c -@@ -623,11 +623,11 @@ static int dlfb_handle_damage(struct dlfb_data *dev, int x, int y, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(width*height*2, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(width*height*2, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - -@@ -748,11 +748,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(bytes_rendered, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - } -@@ -991,7 +991,9 @@ static int dlfb_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = dlfb_ops_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = dlfb_ops_mmap; -+ pax_close_kernel(); - } - - pr_warn("released /dev/fb%d user=%d count=%d\n", -@@ -1373,7 +1375,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_rendered)); -+ atomic_read_unchecked(&dev->bytes_rendered)); - } - - static ssize_t metrics_bytes_identical_show(struct device *fbdev, -@@ -1381,7 +1383,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_identical)); -+ atomic_read_unchecked(&dev->bytes_identical)); - } - - static ssize_t metrics_bytes_sent_show(struct device *fbdev, -@@ -1389,7 +1391,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_sent)); -+ atomic_read_unchecked(&dev->bytes_sent)); - } - - static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, -@@ -1397,7 +1399,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->cpu_kcycles_used)); -+ atomic_read_unchecked(&dev->cpu_kcycles_used)); - } - - static ssize_t edid_show( -@@ -1457,10 +1459,10 @@ static ssize_t metrics_reset_store(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - -- atomic_set(&dev->bytes_rendered, 0); -- atomic_set(&dev->bytes_identical, 0); -- atomic_set(&dev->bytes_sent, 0); -- atomic_set(&dev->cpu_kcycles_used, 0); -+ atomic_set_unchecked(&dev->bytes_rendered, 0); -+ atomic_set_unchecked(&dev->bytes_identical, 0); -+ atomic_set_unchecked(&dev->bytes_sent, 0); -+ atomic_set_unchecked(&dev->cpu_kcycles_used, 0); - - return count; - } -diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c -index d32d1c4..46722e6 100644 ---- a/drivers/video/fbdev/uvesafb.c -+++ b/drivers/video/fbdev/uvesafb.c -@@ -19,6 +19,7 @@ - #include <linux/io.h> - #include <linux/mutex.h> - #include <linux/slab.h> -+#include <linux/moduleloader.h> - #include <video/edid.h> - #include <video/uvesafb.h> - #ifdef CONFIG_X86 -@@ -565,10 +566,32 @@ static int uvesafb_vbe_getpmi(struct uvesafb_ktask *task, - if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) { - par->pmi_setpal = par->ypan = 0; - } else { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_MODULES -+ par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx); -+#endif -+ if (!par->pmi_code) { -+ par->pmi_setpal = par->ypan = 0; -+ return 0; -+ } -+#endif -+ - par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4) - + task->t.regs.edi); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx); -+ pax_close_kernel(); -+ -+ par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]); -+ par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]); -+#else - par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1]; - par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2]; -+#endif -+ - printk(KERN_INFO "uvesafb: protected mode interface info at " - "%04x:%04x\n", - (u16)task->t.regs.es, (u16)task->t.regs.edi); -@@ -813,13 +836,14 @@ static int uvesafb_vbe_init(struct fb_info *info) - par->ypan = ypan; - - if (par->pmi_setpal || par->ypan) { -+#if !defined(CONFIG_MODULES) || !defined(CONFIG_PAX_KERNEXEC) - if (__supported_pte_mask & _PAGE_NX) { - par->pmi_setpal = par->ypan = 0; - printk(KERN_WARNING "uvesafb: NX protection is active, " - "better not use the PMI.\n"); -- } else { -+ } else -+#endif - uvesafb_vbe_getpmi(task, par); -- } - } - #else - /* The protected mode interface is not available on non-x86. */ -@@ -1452,8 +1476,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) - info->fix.ywrapstep = (par->ypan > 1) ? 1 : 0; - - /* Disable blanking if the user requested so. */ -- if (!blank) -- info->fbops->fb_blank = NULL; -+ if (!blank) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_blank = NULL; -+ pax_close_kernel(); -+ } - - /* - * Find out how much IO memory is required for the mode with -@@ -1524,8 +1551,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) - info->flags = FBINFO_FLAG_DEFAULT | - (par->ypan ? FBINFO_HWACCEL_YPAN : 0); - -- if (!par->ypan) -- info->fbops->fb_pan_display = NULL; -+ if (!par->ypan) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_pan_display = NULL; -+ pax_close_kernel(); -+ } - } - - static void uvesafb_init_mtrr(struct fb_info *info) -@@ -1786,6 +1816,11 @@ out_mode: - out: - kfree(par->vbe_modes); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_memfree_exec(par->pmi_code); -+#endif -+ - framebuffer_release(info); - return err; - } -@@ -1810,6 +1845,11 @@ static int uvesafb_remove(struct platform_device *dev) - kfree(par->vbe_state_orig); - kfree(par->vbe_state_saved); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_memfree_exec(par->pmi_code); -+#endif -+ - framebuffer_release(info); - } - return 0; -diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c -index d79a0ac..2d0c3d4 100644 ---- a/drivers/video/fbdev/vesafb.c -+++ b/drivers/video/fbdev/vesafb.c -@@ -9,6 +9,7 @@ - */ - - #include <linux/module.h> -+#include <linux/moduleloader.h> - #include <linux/kernel.h> - #include <linux/errno.h> - #include <linux/string.h> -@@ -52,8 +53,8 @@ static int vram_remap; /* Set amount of memory to be used */ - static int vram_total; /* Set total amount of memory */ - static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */ - static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */ --static void (*pmi_start)(void) __read_mostly; --static void (*pmi_pal) (void) __read_mostly; -+static void (*pmi_start)(void) __read_only; -+static void (*pmi_pal) (void) __read_only; - static int depth __read_mostly; - static int vga_compat __read_mostly; - /* --------------------------------------------------------------------- */ -@@ -233,6 +234,7 @@ static int vesafb_probe(struct platform_device *dev) - unsigned int size_remap; - unsigned int size_total; - char *option = NULL; -+ void *pmi_code = NULL; - - /* ignore error return of fb_get_options */ - fb_get_options("vesafb", &option); -@@ -279,10 +281,6 @@ static int vesafb_probe(struct platform_device *dev) - size_remap = size_total; - vesafb_fix.smem_len = size_remap; - --#ifndef __i386__ -- screen_info.vesapm_seg = 0; --#endif -- - if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) { - printk(KERN_WARNING - "vesafb: cannot reserve video memory at 0x%lx\n", -@@ -312,9 +310,21 @@ static int vesafb_probe(struct platform_device *dev) - printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", - vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); - -+#ifdef __i386__ -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_code = module_alloc_exec(screen_info.vesapm_size); -+ if (!pmi_code) -+#elif !defined(CONFIG_PAX_KERNEXEC) -+ if (0) -+#endif -+ -+#endif -+ screen_info.vesapm_seg = 0; -+ - if (screen_info.vesapm_seg) { -- printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n", -- screen_info.vesapm_seg,screen_info.vesapm_off); -+ printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n", -+ screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size); - } - - if (screen_info.vesapm_seg < 0xc000) -@@ -322,9 +332,25 @@ static int vesafb_probe(struct platform_device *dev) - - if (ypan || pmi_setpal) { - unsigned short *pmi_base; -+ - pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off); -- pmi_start = (void*)((char*)pmi_base + pmi_base[1]); -- pmi_pal = (void*)((char*)pmi_base + pmi_base[2]); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(pmi_code, pmi_base, screen_info.vesapm_size); -+#else -+ pmi_code = pmi_base; -+#endif -+ -+ pmi_start = (void*)((char*)pmi_code + pmi_base[1]); -+ pmi_pal = (void*)((char*)pmi_code + pmi_base[2]); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_start = ktva_ktla(pmi_start); -+ pmi_pal = ktva_ktla(pmi_pal); -+ pax_close_kernel(); -+#endif -+ - printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal); - if (pmi_base[3]) { - printk(KERN_INFO "vesafb: pmi: ports = "); -@@ -477,8 +503,11 @@ static int vesafb_probe(struct platform_device *dev) - info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE | - (ypan ? FBINFO_HWACCEL_YPAN : 0); - -- if (!ypan) -- info->fbops->fb_pan_display = NULL; -+ if (!ypan) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_pan_display = NULL; -+ pax_close_kernel(); -+ } - - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { - err = -ENOMEM; -@@ -492,6 +521,11 @@ static int vesafb_probe(struct platform_device *dev) - fb_info(info, "%s frame buffer device\n", info->fix.id); - return 0; - err: -+ -+#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ module_memfree_exec(pmi_code); -+#endif -+ - if (info->screen_base) - iounmap(info->screen_base); - framebuffer_release(info); -diff --git a/drivers/video/fbdev/via/via_clock.h b/drivers/video/fbdev/via/via_clock.h -index 88714ae..16c2e11 100644 ---- a/drivers/video/fbdev/via/via_clock.h -+++ b/drivers/video/fbdev/via/via_clock.h -@@ -56,7 +56,7 @@ struct via_clock { - - void (*set_engine_pll_state)(u8 state); - void (*set_engine_pll)(struct via_pll_config config); --}; -+} __no_const; - - - static inline u32 get_pll_internal_frequency(u32 ref_freq, -diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm -index 3c14e43..2630570 100644 ---- a/drivers/video/logo/logo_linux_clut224.ppm -+++ b/drivers/video/logo/logo_linux_clut224.ppm -@@ -2,1603 +2,1123 @@ P3 - # Standard 224-color Linux logo - 80 80 - 255 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 6 6 6 10 10 10 10 10 10 -- 10 10 10 6 6 6 6 6 6 6 6 6 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 6 6 6 10 10 10 14 14 14 -- 22 22 22 26 26 26 30 30 30 34 34 34 -- 30 30 30 30 30 30 26 26 26 18 18 18 -- 14 14 14 10 10 10 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 14 14 14 26 26 26 42 42 42 -- 54 54 54 66 66 66 78 78 78 78 78 78 -- 78 78 78 74 74 74 66 66 66 54 54 54 -- 42 42 42 26 26 26 18 18 18 10 10 10 -- 6 6 6 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 10 10 10 -- 22 22 22 42 42 42 66 66 66 86 86 86 -- 66 66 66 38 38 38 38 38 38 22 22 22 -- 26 26 26 34 34 34 54 54 54 66 66 66 -- 86 86 86 70 70 70 46 46 46 26 26 26 -- 14 14 14 6 6 6 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 10 10 10 26 26 26 -- 50 50 50 82 82 82 58 58 58 6 6 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 6 6 6 54 54 54 86 86 86 66 66 66 -- 38 38 38 18 18 18 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 6 6 6 22 22 22 50 50 50 -- 78 78 78 34 34 34 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 6 6 6 70 70 70 -- 78 78 78 46 46 46 22 22 22 6 6 6 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 18 18 18 42 42 42 82 82 82 -- 26 26 26 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 14 14 14 -- 46 46 46 34 34 34 6 6 6 2 2 6 -- 42 42 42 78 78 78 42 42 42 18 18 18 -- 6 6 6 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 10 10 10 30 30 30 66 66 66 58 58 58 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 26 26 26 -- 86 86 86 101 101 101 46 46 46 10 10 10 -- 2 2 6 58 58 58 70 70 70 34 34 34 -- 10 10 10 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 14 14 14 42 42 42 86 86 86 10 10 10 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 30 30 30 -- 94 94 94 94 94 94 58 58 58 26 26 26 -- 2 2 6 6 6 6 78 78 78 54 54 54 -- 22 22 22 6 6 6 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 22 22 22 62 62 62 62 62 62 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 26 26 26 -- 54 54 54 38 38 38 18 18 18 10 10 10 -- 2 2 6 2 2 6 34 34 34 82 82 82 -- 38 38 38 14 14 14 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 30 30 30 78 78 78 30 30 30 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 10 10 10 -- 10 10 10 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 78 78 78 -- 50 50 50 18 18 18 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 10 10 10 -- 38 38 38 86 86 86 14 14 14 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 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253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 206 206 206 198 198 198 214 166 58 --230 174 11 230 174 11 216 158 10 192 133 9 --163 110 8 116 81 8 102 78 10 116 81 8 --167 114 7 197 138 11 226 170 11 239 182 13 --242 186 14 242 186 14 162 146 94 78 78 78 -- 34 34 34 14 14 14 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 30 30 30 78 78 78 190 142 34 226 170 11 --239 182 13 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 241 196 14 203 166 17 22 18 6 -- 2 2 6 2 2 6 2 2 6 38 38 38 --218 218 218 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --250 250 250 206 206 206 198 198 198 202 162 69 --226 170 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253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 218 218 218 -- 58 58 58 2 2 6 22 18 6 167 114 7 --216 158 10 236 178 12 246 186 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 186 14 242 186 14 190 150 46 -- 54 54 54 22 22 22 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 14 14 14 -- 38 38 38 86 86 86 180 133 36 213 154 11 --236 178 12 246 186 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 232 195 16 190 146 13 214 214 214 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 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4 4 4 4 4 -diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c -index 3838795..0d48d61 100644 ---- a/drivers/xen/events/events_base.c -+++ b/drivers/xen/events/events_base.c -@@ -1568,7 +1568,7 @@ void xen_irq_resume(void) - restore_pirqs(); - } - --static struct irq_chip xen_dynamic_chip __read_mostly = { -+static struct irq_chip xen_dynamic_chip = { - .name = "xen-dyn", - - .irq_disable = disable_dynirq, -@@ -1582,7 +1582,7 @@ static struct irq_chip xen_dynamic_chip __read_mostly = { - .irq_retrigger = retrigger_dynirq, - }; - --static struct irq_chip xen_pirq_chip __read_mostly = { -+static struct irq_chip xen_pirq_chip = { - .name = "xen-pirq", - - .irq_startup = startup_pirq, -@@ -1602,7 +1602,7 @@ static struct irq_chip xen_pirq_chip __read_mostly = { - .irq_retrigger = retrigger_dynirq, - }; - --static struct irq_chip xen_percpu_chip __read_mostly = { -+static struct irq_chip xen_percpu_chip = { - .name = "xen-percpu", - - .irq_disable = disable_dynirq, -diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c -index 00f40f0..e3c0b15 100644 ---- a/drivers/xen/evtchn.c -+++ b/drivers/xen/evtchn.c -@@ -201,8 +201,8 @@ static ssize_t evtchn_read(struct file *file, char __user *buf, - - /* Byte lengths of two chunks. Chunk split (if any) is at ring wrap. */ - if (((c ^ p) & EVTCHN_RING_SIZE) != 0) { -- bytes1 = (EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c)) * -- sizeof(evtchn_port_t); -+ bytes1 = EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c); -+ bytes1 *= sizeof(evtchn_port_t); - bytes2 = EVTCHN_RING_MASK(p) * sizeof(evtchn_port_t); - } else { - bytes1 = (p - c) * sizeof(evtchn_port_t); -diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c -index fef20db..d28b1ab 100644 ---- a/drivers/xen/xenfs/xenstored.c -+++ b/drivers/xen/xenfs/xenstored.c -@@ -24,7 +24,12 @@ static int xsd_release(struct inode *inode, struct file *file) - static int xsd_kva_open(struct inode *inode, struct file *file) - { - file->private_data = (void *)kasprintf(GFP_KERNEL, "0x%p", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL); -+#else - xen_store_interface); -+#endif -+ - if (!file->private_data) - return -ENOMEM; - return 0; -diff --git a/firmware/Makefile b/firmware/Makefile -index e297e1b..aeb0982 100644 ---- a/firmware/Makefile -+++ b/firmware/Makefile -@@ -35,9 +35,11 @@ fw-shipped-$(CONFIG_BNX2X) += bnx2x/bnx2x-e1-6.2.9.0.fw \ - bnx2x/bnx2x-e1h-6.2.9.0.fw \ - bnx2x/bnx2x-e2-6.2.9.0.fw - fw-shipped-$(CONFIG_BNX2) += bnx2/bnx2-mips-09-6.2.1a.fw \ -+ bnx2/bnx2-mips-09-6.2.1b.fw \ - bnx2/bnx2-rv2p-09-6.0.17.fw \ - bnx2/bnx2-rv2p-09ax-6.0.17.fw \ - bnx2/bnx2-mips-06-6.2.1.fw \ -+ bnx2/bnx2-mips-06-6.2.3.fw \ - bnx2/bnx2-rv2p-06-6.0.15.fw - fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin - fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \ -diff --git a/firmware/WHENCE b/firmware/WHENCE -index 0c4d96d..b17700f 100644 ---- a/firmware/WHENCE -+++ b/firmware/WHENCE -@@ -653,21 +653,23 @@ Found in hex form in kernel source. - Driver: BNX2 - Broadcom NetXtremeII - - File: bnx2/bnx2-mips-06-6.2.1.fw -+File: bnx2/bnx2-mips-06-6.2.3.fw - File: bnx2/bnx2-rv2p-06-6.0.15.fw - File: bnx2/bnx2-mips-09-6.2.1a.fw -+File: bnx2/bnx2-mips-09-6.2.1b.fw - File: bnx2/bnx2-rv2p-09-6.0.17.fw - File: bnx2/bnx2-rv2p-09ax-6.0.17.fw - - Licence: -- -- This file contains firmware data derived from proprietary unpublished -- source code, Copyright (c) 2004 - 2010 Broadcom Corporation. -- -- Permission is hereby granted for the distribution of this firmware data -- in hexadecimal or equivalent format, provided this copyright notice is -- accompanying it. -- --Found in hex form in kernel source. -+ -+ This file contains firmware data derived from proprietary unpublished -+ source code, Copyright (c) 2004 - 2010 Broadcom Corporation. -+ -+ Permission is hereby granted for the distribution of this firmware data -+ in hexadecimal or equivalent format, provided this copyright notice is -+ accompanying it. -+ -+Found in hex form in kernel source. - - -------------------------------------------------------------------------- - -diff --git a/firmware/bnx2/bnx2-mips-06-6.2.3.fw.ihex b/firmware/bnx2/bnx2-mips-06-6.2.3.fw.ihex -new file mode 100644 -index 0000000..da72bf1 ---- /dev/null -+++ 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*dentry, struct nameidata *nd) - void - v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - - p9_debug(P9_DEBUG_VFS, " %pd %s\n", - dentry, IS_ERR(s) ? "<error>" : s); -diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt -index 2d0cbbd..a6d6149 100644 ---- a/fs/Kconfig.binfmt -+++ b/fs/Kconfig.binfmt -@@ -103,7 +103,7 @@ config HAVE_AOUT - - config BINFMT_AOUT - tristate "Kernel support for a.out and ECOFF binaries" -- depends on HAVE_AOUT -+ depends on HAVE_AOUT && BROKEN - ---help--- - A.out (Assembler.OUTput) is a set of formats for libraries and - executables used in the earliest versions of UNIX. Linux used -diff --git a/fs/afs/inode.c b/fs/afs/inode.c -index e06f5a2..81d07ac 100644 ---- a/fs/afs/inode.c -+++ b/fs/afs/inode.c -@@ -141,7 +141,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name, - struct afs_vnode *vnode; - struct super_block *sb; - struct inode *inode; -- static atomic_t afs_autocell_ino; -+ static atomic_unchecked_t afs_autocell_ino; - - _enter("{%x:%u},%*.*s,", - AFS_FS_I(dir)->fid.vid, AFS_FS_I(dir)->fid.vnode, -@@ -154,7 +154,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name, - data.fid.unique = 0; - data.fid.vnode = 0; - -- inode = iget5_locked(sb, atomic_inc_return(&afs_autocell_ino), -+ inode = iget5_locked(sb, atomic_inc_return_unchecked(&afs_autocell_ino), - afs_iget5_autocell_test, afs_iget5_set, - &data); - if (!inode) { -diff --git a/fs/aio.c b/fs/aio.c -index 480440f..623fd88 100644 ---- a/fs/aio.c -+++ b/fs/aio.c -@@ -441,7 +441,7 @@ static int aio_setup_ring(struct kioctx *ctx) - size += sizeof(struct io_event) * nr_events; - - nr_pages = PFN_UP(size); -- if (nr_pages < 0) -+ if (nr_pages <= 0) - return -EINVAL; - - file = aio_private_file(ctx, nr_pages); -diff --git a/fs/attr.c b/fs/attr.c -index 6530ced..4a827e2 100644 ---- a/fs/attr.c -+++ b/fs/attr.c -@@ -102,6 +102,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset) - unsigned long limit; - - limit = rlimit(RLIMIT_FSIZE); -+ gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1); - if (limit != RLIM_INFINITY && offset > limit) - goto out_sig; - if (offset > inode->i_sb->s_maxbytes) -diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c -index 35b755e..f4b9e0a 100644 ---- a/fs/autofs4/waitq.c -+++ b/fs/autofs4/waitq.c -@@ -59,7 +59,7 @@ static int autofs4_write(struct autofs_sb_info *sbi, - { - unsigned long sigpipe, flags; - mm_segment_t fs; -- const char *data = (const char *)addr; -+ const char __user *data = (const char __force_user *)addr; - ssize_t wr = 0; - - sigpipe = sigismember(&current->pending.signal, SIGPIPE); -@@ -340,6 +340,10 @@ static int validate_request(struct autofs_wait_queue **wait, - return 1; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t autofs_dummy_name_id = ATOMIC_INIT(0); -+#endif -+ - int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, - enum autofs_notify notify) - { -@@ -385,7 +389,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, - - /* If this is a direct mount request create a dummy name */ - if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type)) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ /* this name does get written to userland via autofs4_write() */ -+ qstr.len = sprintf(name, "%08x", atomic_inc_return_unchecked(&autofs_dummy_name_id)); -+#else - qstr.len = sprintf(name, "%p", dentry); -+#endif - else { - qstr.len = autofs4_getpath(sbi, dentry, &name); - if (!qstr.len) { -diff --git a/fs/befs/endian.h b/fs/befs/endian.h -index 2722387..56059b5 100644 ---- a/fs/befs/endian.h -+++ b/fs/befs/endian.h -@@ -11,7 +11,7 @@ - - #include <asm/byteorder.h> - --static inline u64 -+static inline u64 __intentional_overflow(-1) - fs64_to_cpu(const struct super_block *sb, fs64 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -@@ -29,7 +29,7 @@ cpu_to_fs64(const struct super_block *sb, u64 n) - return (__force fs64)cpu_to_be64(n); - } - --static inline u32 -+static inline u32 __intentional_overflow(-1) - fs32_to_cpu(const struct super_block *sb, fs32 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -@@ -47,7 +47,7 @@ cpu_to_fs32(const struct super_block *sb, u32 n) - return (__force fs32)cpu_to_be32(n); - } - --static inline u16 -+static inline u16 __intentional_overflow(-1) - fs16_to_cpu(const struct super_block *sb, fs16 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c -index 4c55668..eeae150 100644 ---- a/fs/binfmt_aout.c -+++ b/fs/binfmt_aout.c -@@ -16,6 +16,7 @@ - #include <linux/string.h> - #include <linux/fs.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/stat.h> - #include <linux/fcntl.h> - #include <linux/ptrace.h> -@@ -58,6 +59,8 @@ static int aout_core_dump(struct coredump_params *cprm) - #endif - # define START_STACK(u) ((void __user *)u.start_stack) - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -@@ -68,10 +71,12 @@ static int aout_core_dump(struct coredump_params *cprm) - - /* If the size of the dump file exceeds the rlimit, then see what would happen - if we wrote the stack, but not the data area. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1); - if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit) - dump.u_dsize = 0; - - /* Make sure we have enough room to write the stack and data areas. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1); - if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit) - dump.u_ssize = 0; - -@@ -232,6 +237,8 @@ static int load_aout_binary(struct linux_binprm * bprm) - rlim = rlimit(RLIMIT_DATA); - if (rlim >= RLIM_INFINITY) - rlim = ~0; -+ -+ gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1); - if (ex.a_data + ex.a_bss > rlim) - return -ENOMEM; - -@@ -261,6 +268,27 @@ static int load_aout_binary(struct linux_binprm * bprm) - - install_exec_creds(bprm); - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) { -+ current->mm->pax_flags |= MF_PAX_PAGEEXEC; -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (N_FLAGS(ex) & F_PAX_EMUTRAMP) -+ current->mm->pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(N_FLAGS(ex) & F_PAX_MPROTECT)) -+ current->mm->pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+ } -+#endif -+ - if (N_MAGIC(ex) == OMAGIC) { - unsigned long text_addr, map_size; - loff_t pos; -@@ -312,7 +340,7 @@ static int load_aout_binary(struct linux_binprm * bprm) - return error; - - error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data, -- PROT_READ | PROT_WRITE | PROT_EXEC, -+ PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, - fd_offset + ex.a_text); - if (error != N_DATADDR(ex)) -diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c -index cd46e41..244f778 100644 ---- a/fs/binfmt_elf.c -+++ b/fs/binfmt_elf.c -@@ -35,6 +35,7 @@ - #include <linux/utsname.h> - #include <linux/coredump.h> - #include <linux/sched.h> -+#include <linux/xattr.h> - #include <asm/uaccess.h> - #include <asm/param.h> - #include <asm/page.h> -@@ -48,7 +49,7 @@ - - static int load_elf_binary(struct linux_binprm *bprm); - static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *, -- int, int, unsigned long); -+ int, int, unsigned long) __intentional_overflow(-1); - - #ifdef CONFIG_USELIB - static int load_elf_library(struct file *); -@@ -66,6 +67,14 @@ static int elf_core_dump(struct coredump_params *cprm); - #define elf_core_dump NULL - #endif - -+#ifdef CONFIG_PAX_MPROTECT -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+static void elf_handle_mmap(struct file *file); -+#endif -+ - #if ELF_EXEC_PAGESIZE > PAGE_SIZE - #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE - #else -@@ -85,6 +94,15 @@ static struct linux_binfmt elf_format = { - .load_binary = load_elf_binary, - .load_shlib = load_elf_library, - .core_dump = elf_core_dump, -+ -+#ifdef CONFIG_PAX_MPROTECT -+ .handle_mprotect= elf_handle_mprotect, -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ .handle_mmap = elf_handle_mmap, -+#endif -+ - .min_coredump = ELF_EXEC_PAGESIZE, - }; - -@@ -92,6 +110,8 @@ static struct linux_binfmt elf_format = { - - static int set_brk(unsigned long start, unsigned long end) - { -+ unsigned long e = end; -+ - start = ELF_PAGEALIGN(start); - end = ELF_PAGEALIGN(end); - if (end > start) { -@@ -100,7 +120,7 @@ static int set_brk(unsigned long start, unsigned long end) - if (BAD_ADDR(addr)) - return addr; - } -- current->mm->start_brk = current->mm->brk = end; -+ current->mm->start_brk = current->mm->brk = e; - return 0; - } - -@@ -161,12 +181,13 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - elf_addr_t __user *u_rand_bytes; - const char *k_platform = ELF_PLATFORM; - const char *k_base_platform = ELF_BASE_PLATFORM; -- unsigned char k_rand_bytes[16]; -+ u32 k_rand_bytes[4]; - int items; - elf_addr_t *elf_info; - int ei_index = 0; - const struct cred *cred = current_cred(); - struct vm_area_struct *vma; -+ unsigned long saved_auxv[AT_VECTOR_SIZE]; - - /* - * In some cases (e.g. Hyper-Threading), we want to avoid L1 -@@ -208,8 +229,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - * Generate 16 random bytes for userspace PRNG seeding. - */ - get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes)); -- u_rand_bytes = (elf_addr_t __user *) -- STACK_ALLOC(p, sizeof(k_rand_bytes)); -+ prandom_seed(k_rand_bytes[0] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[1] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[2] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[3] ^ prandom_u32()); -+ p = STACK_ROUND(p, sizeof(k_rand_bytes)); -+ u_rand_bytes = (elf_addr_t __user *) p; - if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes))) - return -EFAULT; - -@@ -324,9 +349,11 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - return -EFAULT; - current->mm->env_end = p; - -+ memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t)); -+ - /* Put the elf_info on the stack in the right place. */ - sp = (elf_addr_t __user *)envp + 1; -- if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t))) -+ if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t))) - return -EFAULT; - return 0; - } -@@ -515,14 +542,14 @@ static inline int arch_check_elf(struct elfhdr *ehdr, bool has_interp, - an ELF header */ - - static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, -- struct file *interpreter, unsigned long *interp_map_addr, -+ struct file *interpreter, - unsigned long no_base, struct elf_phdr *interp_elf_phdata) - { - struct elf_phdr *eppnt; -- unsigned long load_addr = 0; -+ unsigned long load_addr = 0, pax_task_size = TASK_SIZE; - int load_addr_set = 0; - unsigned long last_bss = 0, elf_bss = 0; -- unsigned long error = ~0UL; -+ unsigned long error = -EINVAL; - unsigned long total_size; - int i; - -@@ -542,6 +569,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - goto out; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ - eppnt = interp_elf_phdata; - for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { - if (eppnt->p_type == PT_LOAD) { -@@ -565,8 +597,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - map_addr = elf_map(interpreter, load_addr + vaddr, - eppnt, elf_prot, elf_type, total_size); - total_size = 0; -- if (!*interp_map_addr) -- *interp_map_addr = map_addr; - error = map_addr; - if (BAD_ADDR(map_addr)) - goto out; -@@ -585,8 +615,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - k = load_addr + eppnt->p_vaddr; - if (BAD_ADDR(k) || - eppnt->p_filesz > eppnt->p_memsz || -- eppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - eppnt->p_memsz < k) { -+ eppnt->p_memsz > pax_task_size || -+ pax_task_size - eppnt->p_memsz < k) { - error = -ENOMEM; - goto out; - } -@@ -625,9 +655,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1); - - /* Map the last of the bss segment */ -- error = vm_brk(elf_bss, last_bss - elf_bss); -- if (BAD_ADDR(error)) -- goto out; -+ if (last_bss > elf_bss) { -+ error = vm_brk(elf_bss, last_bss - elf_bss); -+ if (BAD_ADDR(error)) -+ goto out; -+ } - } - - error = load_addr; -@@ -635,6 +667,336 @@ out: - return error; - } - -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+#ifdef CONFIG_PAX_SOFTMODE -+static unsigned long pax_parse_pt_pax_softmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (elf_phdata->p_flags & PF_PAGEEXEC) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (elf_phdata->p_flags & PF_SEGMEXEC) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((elf_phdata->p_flags & PF_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (elf_phdata->p_flags & PF_MPROTECT) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+static unsigned long pax_parse_pt_pax_hardmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_phdata->p_flags & PF_NOPAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_phdata->p_flags & PF_NOSEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(elf_phdata->p_flags & PF_NOEMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(elf_phdata->p_flags & PF_NOMPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+#ifdef CONFIG_PAX_SOFTMODE -+static unsigned long pax_parse_xattr_pax_softmode(unsigned long pax_flags_softmode) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (pax_flags_softmode & MF_PAX_PAGEEXEC) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_flags_softmode & MF_PAX_SEGMEXEC) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((pax_flags_softmode & MF_PAX_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (pax_flags_softmode & MF_PAX_MPROTECT) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && (pax_flags_softmode & MF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+static unsigned long pax_parse_xattr_pax_hardmode(unsigned long pax_flags_hardmode) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(pax_flags_hardmode & MF_PAX_PAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(pax_flags_hardmode & MF_PAX_SEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(pax_flags_hardmode & MF_PAX_EMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(pax_flags_hardmode & MF_PAX_MPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && !(pax_flags_hardmode & MF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static unsigned long pax_parse_defaults(void) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_flags; -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (randomize_va_space) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+ -+static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex) -+{ -+ unsigned long pax_flags = PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_EI_PAX -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_flags; -+#endif -+ -+ pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+#endif -+ -+ return pax_flags; -+ -+} -+ -+static unsigned long pax_parse_pt_pax(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata) -+{ -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ unsigned long i; -+ -+ for (i = 0UL; i < elf_ex->e_phnum; i++) -+ if (elf_phdata[i].p_type == PT_PAX_FLAGS) { -+ if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) || -+ ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) || -+ ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) || -+ ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) || -+ ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP))) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_parse_pt_pax_softmode(&elf_phdata[i]); -+ else -+#endif -+ -+ return pax_parse_pt_pax_hardmode(&elf_phdata[i]); -+ break; -+ } -+#endif -+ -+ return PAX_PARSE_FLAGS_FALLBACK; -+} -+ -+static unsigned long pax_parse_xattr_pax(struct file * const file) -+{ -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ ssize_t xattr_size, i; -+ unsigned char xattr_value[sizeof("pemrs") - 1]; -+ unsigned long pax_flags_hardmode = 0UL, pax_flags_softmode = 0UL; -+ -+ xattr_size = pax_getxattr(file->f_path.dentry, xattr_value, sizeof xattr_value); -+ if (xattr_size < 0 || xattr_size > sizeof xattr_value) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+ for (i = 0; i < xattr_size; i++) -+ switch (xattr_value[i]) { -+ default: -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#define parse_flag(option1, option2, flag) \ -+ case option1: \ -+ if (pax_flags_hardmode & MF_PAX_##flag) \ -+ return PAX_PARSE_FLAGS_FALLBACK;\ -+ pax_flags_hardmode |= MF_PAX_##flag; \ -+ break; \ -+ case option2: \ -+ if (pax_flags_softmode & MF_PAX_##flag) \ -+ return PAX_PARSE_FLAGS_FALLBACK;\ -+ pax_flags_softmode |= MF_PAX_##flag; \ -+ break; -+ -+ parse_flag('p', 'P', PAGEEXEC); -+ parse_flag('e', 'E', EMUTRAMP); -+ parse_flag('m', 'M', MPROTECT); -+ parse_flag('r', 'R', RANDMMAP); -+ parse_flag('s', 'S', SEGMEXEC); -+ -+#undef parse_flag -+ } -+ -+ if (pax_flags_hardmode & pax_flags_softmode) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_parse_xattr_pax_softmode(pax_flags_softmode); -+ else -+#endif -+ -+ return pax_parse_xattr_pax_hardmode(pax_flags_hardmode); -+#else -+ return PAX_PARSE_FLAGS_FALLBACK; -+#endif -+ -+} -+ -+static long pax_parse_pax_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata, struct file * const file) -+{ -+ unsigned long pax_flags, ei_pax_flags, pt_pax_flags, xattr_pax_flags; -+ -+ pax_flags = pax_parse_defaults(); -+ ei_pax_flags = pax_parse_ei_pax(elf_ex); -+ pt_pax_flags = pax_parse_pt_pax(elf_ex, elf_phdata); -+ xattr_pax_flags = pax_parse_xattr_pax(file); -+ -+ if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK && -+ xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK && -+ pt_pax_flags != xattr_pax_flags) -+ return -EINVAL; -+ if (xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = xattr_pax_flags; -+ else if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = pt_pax_flags; -+ else if (ei_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = ei_pax_flags; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC) -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ if ((__supported_pte_mask & _PAGE_NX)) -+ pax_flags &= ~MF_PAX_SEGMEXEC; -+ else -+ pax_flags &= ~MF_PAX_PAGEEXEC; -+ } -+#endif -+ -+ if (0 > pax_check_flags(&pax_flags)) -+ return -EINVAL; -+ -+ current->mm->pax_flags = pax_flags; -+ return 0; -+} -+#endif -+ - /* - * These are the functions used to load ELF style executables and shared - * libraries. There is no binary dependent code anywhere else. -@@ -648,6 +1010,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top) - { - unsigned long random_variable = 0; - -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ return stack_top - current->mm->delta_stack; -+#endif -+ - if ((current->flags & PF_RANDOMIZE) && - !(current->personality & ADDR_NO_RANDOMIZE)) { - random_variable = (unsigned long) get_random_int(); -@@ -667,7 +1034,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - unsigned long load_addr = 0, load_bias = 0; - int load_addr_set = 0; - char * elf_interpreter = NULL; -- unsigned long error; -+ unsigned long error = 0; - struct elf_phdr *elf_ppnt, *elf_phdata, *interp_elf_phdata = NULL; - unsigned long elf_bss, elf_brk; - int retval, i; -@@ -682,6 +1049,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - struct elfhdr interp_elf_ex; - } *loc; - struct arch_elf_state arch_state = INIT_ARCH_ELF_STATE; -+ unsigned long pax_task_size; - - loc = kmalloc(sizeof(*loc), GFP_KERNEL); - if (!loc) { -@@ -840,6 +1208,77 @@ static int load_elf_binary(struct linux_binprm *bprm) - /* Do this immediately, since STACK_TOP as used in setup_arg_pages - may depend on the personality. */ - SET_PERSONALITY2(loc->elf_ex, &arch_state); -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ current->mm->call_dl_resolve = 0UL; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ current->mm->call_syscall = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ current->mm->delta_mmap = 0UL; -+ current->mm->delta_stack = 0UL; -+#endif -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ if (0 > pax_parse_pax_flags(&loc->elf_ex, elf_phdata, bprm->file)) { -+ send_sig(SIGKILL, current, 0); -+ goto out_free_dentry; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+ pax_set_initial_flags(bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+ if (pax_set_initial_flags_func) -+ (pax_set_initial_flags_func)(bprm); -+#endif -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) { -+ current->mm->context.user_cs_limit = PAGE_SIZE; -+ current->mm->def_flags |= VM_PAGEEXEC | VM_NOHUGEPAGE; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE; -+ current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE; -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+ current->mm->def_flags |= VM_NOHUGEPAGE; -+ } else -+#endif -+ -+ pax_task_size = TASK_SIZE; -+ -+#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu()); -+ put_cpu(); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) { -+ current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT; -+ current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ executable_stack = EXSTACK_DISABLE_X; -+ current->personality &= ~READ_IMPLIES_EXEC; -+ } else -+#endif -+ - if (elf_read_implies_exec(loc->elf_ex, executable_stack)) - current->personality |= READ_IMPLIES_EXEC; - -@@ -915,8 +1354,21 @@ static int load_elf_binary(struct linux_binprm *bprm) - if (current->flags & PF_RANDOMIZE) - load_bias += arch_mmap_rnd(); - load_bias = ELF_PAGESTART(load_bias); -- total_size = total_mapping_size(elf_phdata, -- loc->elf_ex.e_phnum); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ /* PaX: randomize base address at the default exe base if requested */ -+ if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) { -+#ifdef CONFIG_SPARC64 -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1); -+#else -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT; -+#endif -+ load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias); -+ elf_flags |= MAP_FIXED; -+ } -+#endif -+ -+ total_size = total_mapping_size(elf_phdata, loc->elf_ex.e_phnum); - if (!total_size) { - retval = -EINVAL; - goto out_free_dentry; -@@ -952,9 +1404,9 @@ static int load_elf_binary(struct linux_binprm *bprm) - * allowed task size. Note that p_filesz must always be - * <= p_memsz so it is only necessary to check p_memsz. - */ -- if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -- elf_ppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - elf_ppnt->p_memsz < k) { -+ if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -+ elf_ppnt->p_memsz > pax_task_size || -+ pax_task_size - elf_ppnt->p_memsz < k) { - /* set_brk can never work. Avoid overflows. */ - retval = -EINVAL; - goto out_free_dentry; -@@ -990,16 +1442,43 @@ static int load_elf_binary(struct linux_binprm *bprm) - if (retval) - goto out_free_dentry; - if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) { -- retval = -EFAULT; /* Nobody gets to see this, but.. */ -- goto out_free_dentry; -+ /* -+ * This bss-zeroing can fail if the ELF -+ * file specifies odd protections. So -+ * we don't check the return value -+ */ - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) { -+ unsigned long start, size, flags; -+ vm_flags_t vm_flags; -+ -+ start = ELF_PAGEALIGN(elf_brk); -+ size = PAGE_SIZE + ((pax_get_random_long() & ((1UL << 22) - 1UL)) << 4); -+ flags = MAP_FIXED | MAP_PRIVATE; -+ vm_flags = VM_DONTEXPAND | VM_DONTDUMP; -+ -+ down_write(&current->mm->mmap_sem); -+ start = get_unmapped_area(NULL, start, PAGE_ALIGN(size), 0, flags); -+ retval = -ENOMEM; -+ if (!IS_ERR_VALUE(start) && !find_vma_intersection(current->mm, start, start + size + PAGE_SIZE)) { -+// if (current->personality & ADDR_NO_RANDOMIZE) -+// vm_flags |= VM_READ | VM_MAYREAD; -+ start = mmap_region(NULL, start, PAGE_ALIGN(size), vm_flags, 0); -+ retval = IS_ERR_VALUE(start) ? start : 0; -+ } -+ up_write(&current->mm->mmap_sem); -+ if (retval == 0) -+ retval = set_brk(start + size, start + size + PAGE_SIZE); -+ if (retval < 0) -+ goto out_free_dentry; -+ } -+#endif -+ - if (elf_interpreter) { -- unsigned long interp_map_addr = 0; -- - elf_entry = load_elf_interp(&loc->interp_elf_ex, - interpreter, -- &interp_map_addr, - load_bias, interp_elf_phdata); - if (!IS_ERR((void *)elf_entry)) { - /* -@@ -1050,6 +1529,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - current->mm->end_data = end_data; - current->mm->start_stack = bprm->p; - -+#ifndef CONFIG_PAX_RANDMMAP - if ((current->flags & PF_RANDOMIZE) && (randomize_va_space > 1)) { - current->mm->brk = current->mm->start_brk = - arch_randomize_brk(current->mm); -@@ -1057,6 +1537,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - current->brk_randomized = 1; - #endif - } -+#endif - - if (current->personality & MMAP_PAGE_ZERO) { - /* Why this, you ask??? Well SVr4 maps page 0 as read-only, -@@ -1225,7 +1706,7 @@ static bool always_dump_vma(struct vm_area_struct *vma) - * Decide what to dump of a segment, part, all or none. - */ - static unsigned long vma_dump_size(struct vm_area_struct *vma, -- unsigned long mm_flags) -+ unsigned long mm_flags, long signr) - { - #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type)) - -@@ -1263,7 +1744,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma, - if (vma->vm_file == NULL) - return 0; - -- if (FILTER(MAPPED_PRIVATE)) -+ if (signr == SIGKILL || FILTER(MAPPED_PRIVATE)) - goto whole; - - /* -@@ -1470,9 +1951,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm) - { - elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv; - int i = 0; -- do -+ do { - i += 2; -- while (auxv[i - 2] != AT_NULL); -+ } while (auxv[i - 2] != AT_NULL); - fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv); - } - -@@ -1481,7 +1962,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata, - { - mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); -- copy_siginfo_to_user((user_siginfo_t __user *) csigdata, siginfo); -+ copy_siginfo_to_user((user_siginfo_t __force_user *) csigdata, siginfo); - set_fs(old_fs); - fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata); - } -@@ -2201,7 +2682,7 @@ static int elf_core_dump(struct coredump_params *cprm) - vma = next_vma(vma, gate_vma)) { - unsigned long dump_size; - -- dump_size = vma_dump_size(vma, cprm->mm_flags); -+ dump_size = vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo); - vma_filesz[i++] = dump_size; - vma_data_size += dump_size; - } -@@ -2309,6 +2790,167 @@ out: - - #endif /* CONFIG_ELF_CORE */ - -+#ifdef CONFIG_PAX_MPROTECT -+/* PaX: non-PIC ELF libraries need relocations on their executable segments -+ * therefore we'll grant them VM_MAYWRITE once during their life. Similarly -+ * we'll remove VM_MAYWRITE for good on RELRO segments. -+ * -+ * The checks favour ld-linux.so behaviour which operates on a per ELF segment -+ * basis because we want to allow the common case and not the special ones. -+ */ -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags) -+{ -+ struct elfhdr elf_h; -+ struct elf_phdr elf_p; -+ unsigned long i; -+ unsigned long oldflags; -+ bool is_textrel_rw, is_textrel_rx, is_relro; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT) || !vma->vm_file) -+ return; -+ -+ oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ); -+ newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ; -+ -+#ifdef CONFIG_PAX_ELFRELOCS -+ /* possible TEXTREL */ -+ is_textrel_rw = !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ); -+ is_textrel_rx = vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ); -+#else -+ is_textrel_rw = false; -+ is_textrel_rx = false; -+#endif -+ -+ /* possible RELRO */ -+ is_relro = vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ); -+ -+ if (!is_textrel_rw && !is_textrel_rx && !is_relro) -+ return; -+ -+ if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) || -+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) || -+ -+#ifdef CONFIG_PAX_ETEXECRELOCS -+ ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+#else -+ ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) || -+#endif -+ -+ (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+ !elf_check_arch(&elf_h) || -+ elf_h.e_phentsize != sizeof(struct elf_phdr) || -+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr)) -+ return; -+ -+ for (i = 0UL; i < elf_h.e_phnum; i++) { -+ if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p))) -+ return; -+ switch (elf_p.p_type) { -+ case PT_DYNAMIC: -+ if (!is_textrel_rw && !is_textrel_rx) -+ continue; -+ i = 0UL; -+ while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) { -+ elf_dyn dyn; -+ -+ if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn))) -+ break; -+ if (dyn.d_tag == DT_NULL) -+ break; -+ if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) { -+ gr_log_textrel(vma); -+ if (is_textrel_rw) -+ vma->vm_flags |= VM_MAYWRITE; -+ else -+ /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */ -+ vma->vm_flags &= ~VM_MAYWRITE; -+ break; -+ } -+ i++; -+ } -+ is_textrel_rw = false; -+ is_textrel_rx = false; -+ continue; -+ -+ case PT_GNU_RELRO: -+ if (!is_relro) -+ continue; -+ if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start) -+ vma->vm_flags &= ~VM_MAYWRITE; -+ is_relro = false; -+ continue; -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ case PT_PAX_FLAGS: { -+ const char *msg_mprotect = "", *msg_emutramp = ""; -+ char *buffer_lib, *buffer_exe; -+ -+ if (elf_p.p_flags & PF_NOMPROTECT) -+ msg_mprotect = "MPROTECT disabled"; -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(vma->vm_mm->pax_flags & MF_PAX_EMUTRAMP) && !(elf_p.p_flags & PF_NOEMUTRAMP)) -+ msg_emutramp = "EMUTRAMP enabled"; -+#endif -+ -+ if (!msg_mprotect[0] && !msg_emutramp[0]) -+ continue; -+ -+ if (!printk_ratelimit()) -+ continue; -+ -+ buffer_lib = (char *)__get_free_page(GFP_KERNEL); -+ buffer_exe = (char *)__get_free_page(GFP_KERNEL); -+ if (buffer_lib && buffer_exe) { -+ char *path_lib, *path_exe; -+ -+ path_lib = pax_get_path(&vma->vm_file->f_path, buffer_lib, PAGE_SIZE); -+ path_exe = pax_get_path(&vma->vm_mm->exe_file->f_path, buffer_exe, PAGE_SIZE); -+ -+ pr_info("PAX: %s wants %s%s%s on %s\n", path_lib, msg_mprotect, -+ (msg_mprotect[0] && msg_emutramp[0] ? " and " : ""), msg_emutramp, path_exe); -+ -+ } -+ free_page((unsigned long)buffer_exe); -+ free_page((unsigned long)buffer_lib); -+ continue; -+ } -+#endif -+ -+ } -+ } -+} -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ -+extern int grsec_enable_log_rwxmaps; -+ -+static void elf_handle_mmap(struct file *file) -+{ -+ struct elfhdr elf_h; -+ struct elf_phdr elf_p; -+ unsigned long i; -+ -+ if (!grsec_enable_log_rwxmaps) -+ return; -+ -+ if (sizeof(elf_h) != kernel_read(file, 0UL, (char *)&elf_h, sizeof(elf_h)) || -+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) || -+ (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC) || !elf_check_arch(&elf_h) || -+ elf_h.e_phentsize != sizeof(struct elf_phdr) || -+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr)) -+ return; -+ -+ for (i = 0UL; i < elf_h.e_phnum; i++) { -+ if (sizeof(elf_p) != kernel_read(file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p))) -+ return; -+ if (elf_p.p_type == PT_GNU_STACK && (elf_p.p_flags & PF_X)) -+ gr_log_ptgnustack(file); -+ } -+} -+#endif -+ - static int __init init_elf_binfmt(void) - { - register_binfmt(&elf_format); -diff --git a/fs/block_dev.c b/fs/block_dev.c -index c7e4163..6939003 100644 ---- a/fs/block_dev.c -+++ b/fs/block_dev.c -@@ -732,7 +732,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole, - else if (bdev->bd_contains == bdev) - return true; /* is a whole device which isn't held */ - -- else if (whole->bd_holder == bd_may_claim) -+ else if (whole->bd_holder == (void *)bd_may_claim) - return true; /* is a partition of a device that is being partitioned */ - else if (whole->bd_holder != NULL) - return false; /* is a partition of a held device */ -diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c -index 0f11ebc..1bf3321 100644 ---- a/fs/btrfs/ctree.c -+++ b/fs/btrfs/ctree.c -@@ -1180,9 +1180,12 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, - free_extent_buffer(buf); - add_root_to_dirty_list(root); - } else { -- if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) -- parent_start = parent->start; -- else -+ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { -+ if (parent) -+ parent_start = parent->start; -+ else -+ parent_start = 0; -+ } else - parent_start = 0; - - WARN_ON(trans->transid != btrfs_header_generation(parent)); -diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c -index a2ae427..53c2e98 100644 ---- a/fs/btrfs/delayed-inode.c -+++ b/fs/btrfs/delayed-inode.c -@@ -462,7 +462,7 @@ static int __btrfs_add_delayed_deletion_item(struct btrfs_delayed_node *node, - - static void finish_one_item(struct btrfs_delayed_root *delayed_root) - { -- int seq = atomic_inc_return(&delayed_root->items_seq); -+ int seq = atomic_inc_return_unchecked(&delayed_root->items_seq); - if ((atomic_dec_return(&delayed_root->items) < - BTRFS_DELAYED_BACKGROUND || seq % BTRFS_DELAYED_BATCH == 0) && - waitqueue_active(&delayed_root->wait)) -@@ -1412,7 +1412,7 @@ void btrfs_assert_delayed_root_empty(struct btrfs_root *root) - - static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq) - { -- int val = atomic_read(&delayed_root->items_seq); -+ int val = atomic_read_unchecked(&delayed_root->items_seq); - - if (val < seq || val >= seq + BTRFS_DELAYED_BATCH) - return 1; -@@ -1437,7 +1437,7 @@ void btrfs_balance_delayed_items(struct btrfs_root *root) - int seq; - int ret; - -- seq = atomic_read(&delayed_root->items_seq); -+ seq = atomic_read_unchecked(&delayed_root->items_seq); - - ret = btrfs_wq_run_delayed_node(delayed_root, fs_info, 0); - if (ret) -diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h -index f70119f..ab5894d 100644 ---- a/fs/btrfs/delayed-inode.h -+++ b/fs/btrfs/delayed-inode.h -@@ -43,7 +43,7 @@ struct btrfs_delayed_root { - */ - struct list_head prepare_list; - atomic_t items; /* for delayed items */ -- atomic_t items_seq; /* for delayed items */ -+ atomic_unchecked_t items_seq; /* for delayed items */ - int nodes; /* for delayed nodes */ - wait_queue_head_t wait; - }; -@@ -90,7 +90,7 @@ static inline void btrfs_init_delayed_root( - struct btrfs_delayed_root *delayed_root) - { - atomic_set(&delayed_root->items, 0); -- atomic_set(&delayed_root->items_seq, 0); -+ atomic_set_unchecked(&delayed_root->items_seq, 0); - delayed_root->nodes = 0; - spin_lock_init(&delayed_root->lock); - init_waitqueue_head(&delayed_root->wait); -diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c -index 9e66f5e..f7caaf0 100644 ---- a/fs/btrfs/super.c -+++ b/fs/btrfs/super.c -@@ -271,7 +271,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans, - function, line, errstr); - return; - } -- ACCESS_ONCE(trans->transaction->aborted) = errno; -+ ACCESS_ONCE_RW(trans->transaction->aborted) = errno; - /* Wake up anybody who may be waiting on this transaction */ - wake_up(&root->fs_info->transaction_wait); - wake_up(&root->fs_info->transaction_blocked_wait); -diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c -index e8a4c86..f8c22ae 100644 ---- a/fs/btrfs/sysfs.c -+++ b/fs/btrfs/sysfs.c -@@ -472,7 +472,7 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add) - for (set = 0; set < FEAT_MAX; set++) { - int i; - struct attribute *attrs[2]; -- struct attribute_group agroup = { -+ attribute_group_no_const agroup = { - .name = "features", - .attrs = attrs, - }; -diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c -index 2299bfd..4098e72 100644 ---- a/fs/btrfs/tests/free-space-tests.c -+++ b/fs/btrfs/tests/free-space-tests.c -@@ -463,7 +463,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache) - * extent entry. - */ - use_bitmap_op = cache->free_space_ctl->op->use_bitmap; -- cache->free_space_ctl->op->use_bitmap = test_use_bitmap; -+ pax_open_kernel(); -+ *(void **)&cache->free_space_ctl->op->use_bitmap = test_use_bitmap; -+ pax_close_kernel(); - - /* - * Extent entry covering free space range [128Mb - 256Kb, 128Mb - 128Kb[ -@@ -870,7 +872,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache) - if (ret) - return ret; - -- cache->free_space_ctl->op->use_bitmap = use_bitmap_op; -+ pax_open_kernel(); -+ *(void **)&cache->free_space_ctl->op->use_bitmap = use_bitmap_op; -+ pax_close_kernel(); - __btrfs_remove_free_space_cache(cache->free_space_ctl); - - return 0; -diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h -index 6916a78..4598936 100644 ---- a/fs/btrfs/tree-log.h -+++ b/fs/btrfs/tree-log.h -@@ -45,7 +45,7 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx) - static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info, - struct btrfs_trans_handle *trans) - { -- ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid; -+ ACCESS_ONCE_RW(fs_info->last_trans_log_full_commit) = trans->transid; - } - - static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info, -diff --git a/fs/buffer.c b/fs/buffer.c -index c7a5602..18eabd1 100644 ---- a/fs/buffer.c -+++ b/fs/buffer.c -@@ -3417,7 +3417,7 @@ void __init buffer_init(void) - bh_cachep = kmem_cache_create("buffer_head", - sizeof(struct buffer_head), 0, - (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| -- SLAB_MEM_SPREAD), -+ SLAB_MEM_SPREAD|SLAB_NO_SANITIZE), - NULL); - - /* -diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c -index 6af790f..ec4c1e6 100644 ---- a/fs/cachefiles/bind.c -+++ b/fs/cachefiles/bind.c -@@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args) - args); - - /* start by checking things over */ -- ASSERT(cache->fstop_percent >= 0 && -- cache->fstop_percent < cache->fcull_percent && -+ ASSERT(cache->fstop_percent < cache->fcull_percent && - cache->fcull_percent < cache->frun_percent && - cache->frun_percent < 100); - -- ASSERT(cache->bstop_percent >= 0 && -- cache->bstop_percent < cache->bcull_percent && -+ ASSERT(cache->bstop_percent < cache->bcull_percent && - cache->bcull_percent < cache->brun_percent && - cache->brun_percent < 100); - -diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c -index f601def..b2cf704 100644 ---- a/fs/cachefiles/daemon.c -+++ b/fs/cachefiles/daemon.c -@@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(struct file *file, char __user *_buffer, - if (n > buflen) - return -EMSGSIZE; - -- if (copy_to_user(_buffer, buffer, n) != 0) -+ if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0) - return -EFAULT; - - return n; -@@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(struct file *file, - if (test_bit(CACHEFILES_DEAD, &cache->flags)) - return -EIO; - -- if (datalen < 0 || datalen > PAGE_SIZE - 1) -+ if (datalen > PAGE_SIZE - 1) - return -EOPNOTSUPP; - - /* drag the command string into the kernel so we can parse it */ -@@ -385,7 +385,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args) - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (fstop < 0 || fstop >= cache->fcull_percent) -+ if (fstop >= cache->fcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->fstop_percent = fstop; -@@ -457,7 +457,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args) - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (bstop < 0 || bstop >= cache->bcull_percent) -+ if (bstop >= cache->bcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->bstop_percent = bstop; -diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h -index 8c52472..c4e3a69 100644 ---- a/fs/cachefiles/internal.h -+++ b/fs/cachefiles/internal.h -@@ -66,7 +66,7 @@ struct cachefiles_cache { - wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */ - struct rb_root active_nodes; /* active nodes (can't be culled) */ - rwlock_t active_lock; /* lock for active_nodes */ -- atomic_t gravecounter; /* graveyard uniquifier */ -+ atomic_unchecked_t gravecounter; /* graveyard uniquifier */ - unsigned frun_percent; /* when to stop culling (% files) */ - unsigned fcull_percent; /* when to start culling (% files) */ - unsigned fstop_percent; /* when to stop allocating (% files) */ -@@ -178,19 +178,19 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache, - * proc.c - */ - #ifdef CONFIG_CACHEFILES_HISTOGRAM --extern atomic_t cachefiles_lookup_histogram[HZ]; --extern atomic_t cachefiles_mkdir_histogram[HZ]; --extern atomic_t cachefiles_create_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_create_histogram[HZ]; - - extern int __init cachefiles_proc_init(void); - extern void cachefiles_proc_cleanup(void); - static inline --void cachefiles_hist(atomic_t histogram[], unsigned long start_jif) -+void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif) - { - unsigned long jif = jiffies - start_jif; - if (jif >= HZ) - jif = HZ - 1; -- atomic_inc(&histogram[jif]); -+ atomic_inc_unchecked(&histogram[jif]); - } - - #else -diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c -index ab857ab..ff8d593 100644 ---- a/fs/cachefiles/namei.c -+++ b/fs/cachefiles/namei.c -@@ -309,7 +309,7 @@ try_again: - /* first step is to make up a grave dentry in the graveyard */ - sprintf(nbuffer, "%08x%08x", - (uint32_t) get_seconds(), -- (uint32_t) atomic_inc_return(&cache->gravecounter)); -+ (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter)); - - /* do the multiway lock magic */ - trap = lock_rename(cache->graveyard, dir); -diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c -index eccd339..4c1d995 100644 ---- a/fs/cachefiles/proc.c -+++ b/fs/cachefiles/proc.c -@@ -14,9 +14,9 @@ - #include <linux/seq_file.h> - #include "internal.h" - --atomic_t cachefiles_lookup_histogram[HZ]; --atomic_t cachefiles_mkdir_histogram[HZ]; --atomic_t cachefiles_create_histogram[HZ]; -+atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+atomic_unchecked_t cachefiles_create_histogram[HZ]; - - /* - * display the latency histogram -@@ -35,9 +35,9 @@ static int cachefiles_histogram_show(struct seq_file *m, void *v) - return 0; - default: - index = (unsigned long) v - 3; -- x = atomic_read(&cachefiles_lookup_histogram[index]); -- y = atomic_read(&cachefiles_mkdir_histogram[index]); -- z = atomic_read(&cachefiles_create_histogram[index]); -+ x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]); -+ y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]); -+ z = atomic_read_unchecked(&cachefiles_create_histogram[index]); - if (x == 0 && y == 0 && z == 0) - return 0; - -diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c -index 4248307..f41e44e 100644 ---- a/fs/ceph/dir.c -+++ b/fs/ceph/dir.c -@@ -127,6 +127,8 @@ static int __dcache_readdir(struct file *file, struct dir_context *ctx, - struct dentry *dentry, *last; - struct ceph_dentry_info *di; - int err = 0; -+ char d_name[DNAME_INLINE_LEN]; -+ const unsigned char *name; - - /* claim ref on last dentry we returned */ - last = fi->dentry; -@@ -190,7 +192,12 @@ more: - - dout(" %llu (%llu) dentry %p %pd %p\n", di->offset, ctx->pos, - dentry, dentry, d_inode(dentry)); -- if (!dir_emit(ctx, dentry->d_name.name, -+ name = dentry->d_name.name; -+ if (name == dentry->d_iname) { -+ memcpy(d_name, name, dentry->d_name.len); -+ name = d_name; -+ } -+ if (!dir_emit(ctx, name, - dentry->d_name.len, - ceph_translate_ino(dentry->d_sb, d_inode(dentry)->i_ino), - d_inode(dentry)->i_mode >> 12)) { -@@ -248,7 +255,7 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx) - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_mds_client *mdsc = fsc->mdsc; - unsigned frag = fpos_frag(ctx->pos); -- int off = fpos_off(ctx->pos); -+ unsigned int off = fpos_off(ctx->pos); - int err; - u32 ftype; - struct ceph_mds_reply_info_parsed *rinfo; -diff --git a/fs/ceph/super.c b/fs/ceph/super.c -index 4e99053..a7e2a5f 100644 ---- a/fs/ceph/super.c -+++ b/fs/ceph/super.c -@@ -885,7 +885,7 @@ static int ceph_compare_super(struct super_block *sb, void *data) - /* - * construct our own bdi so we can control readahead, etc. - */ --static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0); -+static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0); - - static int ceph_register_bdi(struct super_block *sb, - struct ceph_fs_client *fsc) -@@ -902,7 +902,7 @@ static int ceph_register_bdi(struct super_block *sb, - VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE; - - err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld", -- atomic_long_inc_return(&bdi_seq)); -+ atomic_long_inc_return_unchecked(&bdi_seq)); - if (!err) - sb->s_bdi = &fsc->backing_dev_info; - return err; -diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c -index 7febcf2..62a5721 100644 ---- a/fs/cifs/cifs_debug.c -+++ b/fs/cifs/cifs_debug.c -@@ -269,8 +269,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, - - if (strtobool(&c, &bv) == 0) { - #ifdef CONFIG_CIFS_STATS2 -- atomic_set(&totBufAllocCount, 0); -- atomic_set(&totSmBufAllocCount, 0); -+ atomic_set_unchecked(&totBufAllocCount, 0); -+ atomic_set_unchecked(&totSmBufAllocCount, 0); - #endif /* CONFIG_CIFS_STATS2 */ - spin_lock(&cifs_tcp_ses_lock); - list_for_each(tmp1, &cifs_tcp_ses_list) { -@@ -283,7 +283,7 @@ static ssize_t cifs_stats_proc_write(struct file *file, - tcon = list_entry(tmp3, - struct cifs_tcon, - tcon_list); -- atomic_set(&tcon->num_smbs_sent, 0); -+ atomic_set_unchecked(&tcon->num_smbs_sent, 0); - if (server->ops->clear_stats) - server->ops->clear_stats(tcon); - } -@@ -315,8 +315,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) - smBufAllocCount.counter, cifs_min_small); - #ifdef CONFIG_CIFS_STATS2 - seq_printf(m, "Total Large %d Small %d Allocations\n", -- atomic_read(&totBufAllocCount), -- atomic_read(&totSmBufAllocCount)); -+ atomic_read_unchecked(&totBufAllocCount), -+ atomic_read_unchecked(&totSmBufAllocCount)); - #endif /* CONFIG_CIFS_STATS2 */ - - seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount)); -@@ -345,7 +345,7 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) - if (tcon->need_reconnect) - seq_puts(m, "\tDISCONNECTED "); - seq_printf(m, "\nSMBs: %d", -- atomic_read(&tcon->num_smbs_sent)); -+ atomic_read_unchecked(&tcon->num_smbs_sent)); - if (server->ops->print_stats) - server->ops->print_stats(m, tcon); - } -diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c -index 0a9fb6b..9def7fa 100644 ---- a/fs/cifs/cifsfs.c -+++ b/fs/cifs/cifsfs.c -@@ -1082,7 +1082,7 @@ cifs_init_request_bufs(void) - */ - cifs_req_cachep = kmem_cache_create("cifs_request", - CIFSMaxBufSize + max_hdr_size, 0, -- SLAB_HWCACHE_ALIGN, NULL); -+ SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, NULL); - if (cifs_req_cachep == NULL) - return -ENOMEM; - -@@ -1109,7 +1109,7 @@ cifs_init_request_bufs(void) - efficient to alloc 1 per page off the slab compared to 17K (5page) - alloc of large cifs buffers even when page debugging is on */ - cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq", -- MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN, -+ MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, - NULL); - if (cifs_sm_req_cachep == NULL) { - mempool_destroy(cifs_req_poolp); -@@ -1194,8 +1194,8 @@ init_cifs(void) - atomic_set(&bufAllocCount, 0); - atomic_set(&smBufAllocCount, 0); - #ifdef CONFIG_CIFS_STATS2 -- atomic_set(&totBufAllocCount, 0); -- atomic_set(&totSmBufAllocCount, 0); -+ atomic_set_unchecked(&totBufAllocCount, 0); -+ atomic_set_unchecked(&totSmBufAllocCount, 0); - #endif /* CONFIG_CIFS_STATS2 */ - - atomic_set(&midCount, 0); -diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h -index 22b289a..bbbba082 100644 ---- a/fs/cifs/cifsglob.h -+++ b/fs/cifs/cifsglob.h -@@ -823,35 +823,35 @@ struct cifs_tcon { - __u16 Flags; /* optional support bits */ - enum statusEnum tidStatus; - #ifdef CONFIG_CIFS_STATS -- atomic_t num_smbs_sent; -+ atomic_unchecked_t num_smbs_sent; - union { - struct { -- atomic_t num_writes; -- atomic_t num_reads; -- atomic_t num_flushes; -- atomic_t num_oplock_brks; -- atomic_t num_opens; -- atomic_t num_closes; -- atomic_t num_deletes; -- atomic_t num_mkdirs; -- atomic_t num_posixopens; -- atomic_t num_posixmkdirs; -- atomic_t num_rmdirs; -- atomic_t num_renames; -- atomic_t num_t2renames; -- atomic_t num_ffirst; -- atomic_t num_fnext; -- atomic_t num_fclose; -- atomic_t num_hardlinks; -- atomic_t num_symlinks; -- atomic_t num_locks; -- atomic_t num_acl_get; -- atomic_t num_acl_set; -+ atomic_unchecked_t num_writes; -+ atomic_unchecked_t num_reads; -+ atomic_unchecked_t num_flushes; -+ atomic_unchecked_t num_oplock_brks; -+ atomic_unchecked_t num_opens; -+ atomic_unchecked_t num_closes; -+ atomic_unchecked_t num_deletes; -+ atomic_unchecked_t num_mkdirs; -+ atomic_unchecked_t num_posixopens; -+ atomic_unchecked_t num_posixmkdirs; -+ atomic_unchecked_t num_rmdirs; -+ atomic_unchecked_t num_renames; -+ atomic_unchecked_t num_t2renames; -+ atomic_unchecked_t num_ffirst; -+ atomic_unchecked_t num_fnext; -+ atomic_unchecked_t num_fclose; -+ atomic_unchecked_t num_hardlinks; -+ atomic_unchecked_t num_symlinks; -+ atomic_unchecked_t num_locks; -+ atomic_unchecked_t num_acl_get; -+ atomic_unchecked_t num_acl_set; - } cifs_stats; - #ifdef CONFIG_CIFS_SMB2 - struct { -- atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS]; -- atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS]; -+ atomic_unchecked_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS]; -+ atomic_unchecked_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS]; - } smb2_stats; - #endif /* CONFIG_CIFS_SMB2 */ - } stats; -@@ -1198,7 +1198,7 @@ convert_delimiter(char *path, char delim) - } - - #ifdef CONFIG_CIFS_STATS --#define cifs_stats_inc atomic_inc -+#define cifs_stats_inc atomic_inc_unchecked - - static inline void cifs_stats_bytes_written(struct cifs_tcon *tcon, - unsigned int bytes) -@@ -1565,8 +1565,8 @@ GLOBAL_EXTERN atomic_t tconInfoReconnectCount; - /* Various Debug counters */ - GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */ - #ifdef CONFIG_CIFS_STATS2 --GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */ --GLOBAL_EXTERN atomic_t totSmBufAllocCount; -+GLOBAL_EXTERN atomic_unchecked_t totBufAllocCount; /* total allocated over all time */ -+GLOBAL_EXTERN atomic_unchecked_t totSmBufAllocCount; - #endif - GLOBAL_EXTERN atomic_t smBufAllocCount; - GLOBAL_EXTERN atomic_t midCount; -diff --git a/fs/cifs/file.c b/fs/cifs/file.c -index 3f50cee..7741620 100644 ---- a/fs/cifs/file.c -+++ b/fs/cifs/file.c -@@ -2054,10 +2054,14 @@ static int cifs_writepages(struct address_space *mapping, - index = mapping->writeback_index; /* Start from prev offset */ - end = -1; - } else { -- index = wbc->range_start >> PAGE_CACHE_SHIFT; -- end = wbc->range_end >> PAGE_CACHE_SHIFT; -- if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) -+ if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) { - range_whole = true; -+ index = 0; -+ end = ULONG_MAX; -+ } else { -+ index = wbc->range_start >> PAGE_CACHE_SHIFT; -+ end = wbc->range_end >> PAGE_CACHE_SHIFT; -+ } - scanned = true; - } - server = cifs_sb_master_tcon(cifs_sb)->ses->server; -diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c -index 8442b8b..ea6986f 100644 ---- a/fs/cifs/misc.c -+++ b/fs/cifs/misc.c -@@ -170,7 +170,7 @@ cifs_buf_get(void) - memset(ret_buf, 0, buf_size + 3); - atomic_inc(&bufAllocCount); - #ifdef CONFIG_CIFS_STATS2 -- atomic_inc(&totBufAllocCount); -+ atomic_inc_unchecked(&totBufAllocCount); - #endif /* CONFIG_CIFS_STATS2 */ - } - -@@ -205,7 +205,7 @@ cifs_small_buf_get(void) - /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/ - atomic_inc(&smBufAllocCount); - #ifdef CONFIG_CIFS_STATS2 -- atomic_inc(&totSmBufAllocCount); -+ atomic_inc_unchecked(&totSmBufAllocCount); - #endif /* CONFIG_CIFS_STATS2 */ - - } -diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c -index fc537c2..47d654c 100644 ---- a/fs/cifs/smb1ops.c -+++ b/fs/cifs/smb1ops.c -@@ -622,27 +622,27 @@ static void - cifs_clear_stats(struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS -- atomic_set(&tcon->stats.cifs_stats.num_writes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_reads, 0); -- atomic_set(&tcon->stats.cifs_stats.num_flushes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_opens, 0); -- atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0); -- atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_closes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_deletes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_renames, 0); -- atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0); -- atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0); -- atomic_set(&tcon->stats.cifs_stats.num_fnext, 0); -- atomic_set(&tcon->stats.cifs_stats.num_fclose, 0); -- atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_locks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0); -- atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_writes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_reads, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_flushes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_oplock_brks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_opens, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixopens, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_closes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_deletes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_mkdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_rmdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_renames, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_t2renames, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_ffirst, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fnext, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fclose, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_hardlinks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_symlinks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_locks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_get, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_set, 0); - #endif - } - -@@ -651,36 +651,36 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS - seq_printf(m, " Oplocks breaks: %d", -- atomic_read(&tcon->stats.cifs_stats.num_oplock_brks)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_oplock_brks)); - seq_printf(m, "\nReads: %d Bytes: %llu", -- atomic_read(&tcon->stats.cifs_stats.num_reads), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_reads), - (long long)(tcon->bytes_read)); - seq_printf(m, "\nWrites: %d Bytes: %llu", -- atomic_read(&tcon->stats.cifs_stats.num_writes), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_writes), - (long long)(tcon->bytes_written)); - seq_printf(m, "\nFlushes: %d", -- atomic_read(&tcon->stats.cifs_stats.num_flushes)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_flushes)); - seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d", -- atomic_read(&tcon->stats.cifs_stats.num_locks), -- atomic_read(&tcon->stats.cifs_stats.num_hardlinks), -- atomic_read(&tcon->stats.cifs_stats.num_symlinks)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_locks), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_hardlinks), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_symlinks)); - seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d", -- atomic_read(&tcon->stats.cifs_stats.num_opens), -- atomic_read(&tcon->stats.cifs_stats.num_closes), -- atomic_read(&tcon->stats.cifs_stats.num_deletes)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_opens), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_closes), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_deletes)); - seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d", -- atomic_read(&tcon->stats.cifs_stats.num_posixopens), -- atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixopens), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs)); - seq_printf(m, "\nMkdirs: %d Rmdirs: %d", -- atomic_read(&tcon->stats.cifs_stats.num_mkdirs), -- atomic_read(&tcon->stats.cifs_stats.num_rmdirs)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_mkdirs), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_rmdirs)); - seq_printf(m, "\nRenames: %d T2 Renames %d", -- atomic_read(&tcon->stats.cifs_stats.num_renames), -- atomic_read(&tcon->stats.cifs_stats.num_t2renames)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_renames), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_t2renames)); - seq_printf(m, "\nFindFirst: %d FNext %d FClose %d", -- atomic_read(&tcon->stats.cifs_stats.num_ffirst), -- atomic_read(&tcon->stats.cifs_stats.num_fnext), -- atomic_read(&tcon->stats.cifs_stats.num_fclose)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_ffirst), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fnext), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fclose)); - #endif - } - -diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c -index 54daee5..2669fcb 100644 ---- a/fs/cifs/smb2ops.c -+++ b/fs/cifs/smb2ops.c -@@ -418,8 +418,8 @@ smb2_clear_stats(struct cifs_tcon *tcon) - #ifdef CONFIG_CIFS_STATS - int i; - for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { -- atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); -- atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); -+ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); -+ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); - } - #endif - } -@@ -459,65 +459,65 @@ static void - smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS -- atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; -- atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; -+ atomic_unchecked_t *sent = tcon->stats.smb2_stats.smb2_com_sent; -+ atomic_unchecked_t *failed = tcon->stats.smb2_stats.smb2_com_failed; - seq_printf(m, "\nNegotiates: %d sent %d failed", -- atomic_read(&sent[SMB2_NEGOTIATE_HE]), -- atomic_read(&failed[SMB2_NEGOTIATE_HE])); -+ atomic_read_unchecked(&sent[SMB2_NEGOTIATE_HE]), -+ atomic_read_unchecked(&failed[SMB2_NEGOTIATE_HE])); - seq_printf(m, "\nSessionSetups: %d sent %d failed", -- atomic_read(&sent[SMB2_SESSION_SETUP_HE]), -- atomic_read(&failed[SMB2_SESSION_SETUP_HE])); -+ atomic_read_unchecked(&sent[SMB2_SESSION_SETUP_HE]), -+ atomic_read_unchecked(&failed[SMB2_SESSION_SETUP_HE])); - seq_printf(m, "\nLogoffs: %d sent %d failed", -- atomic_read(&sent[SMB2_LOGOFF_HE]), -- atomic_read(&failed[SMB2_LOGOFF_HE])); -+ atomic_read_unchecked(&sent[SMB2_LOGOFF_HE]), -+ atomic_read_unchecked(&failed[SMB2_LOGOFF_HE])); - seq_printf(m, "\nTreeConnects: %d sent %d failed", -- atomic_read(&sent[SMB2_TREE_CONNECT_HE]), -- atomic_read(&failed[SMB2_TREE_CONNECT_HE])); -+ atomic_read_unchecked(&sent[SMB2_TREE_CONNECT_HE]), -+ atomic_read_unchecked(&failed[SMB2_TREE_CONNECT_HE])); - seq_printf(m, "\nTreeDisconnects: %d sent %d failed", -- atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), -- atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); -+ atomic_read_unchecked(&sent[SMB2_TREE_DISCONNECT_HE]), -+ atomic_read_unchecked(&failed[SMB2_TREE_DISCONNECT_HE])); - seq_printf(m, "\nCreates: %d sent %d failed", -- atomic_read(&sent[SMB2_CREATE_HE]), -- atomic_read(&failed[SMB2_CREATE_HE])); -+ atomic_read_unchecked(&sent[SMB2_CREATE_HE]), -+ atomic_read_unchecked(&failed[SMB2_CREATE_HE])); - seq_printf(m, "\nCloses: %d sent %d failed", -- atomic_read(&sent[SMB2_CLOSE_HE]), -- atomic_read(&failed[SMB2_CLOSE_HE])); -+ atomic_read_unchecked(&sent[SMB2_CLOSE_HE]), -+ atomic_read_unchecked(&failed[SMB2_CLOSE_HE])); - seq_printf(m, "\nFlushes: %d sent %d failed", -- atomic_read(&sent[SMB2_FLUSH_HE]), -- atomic_read(&failed[SMB2_FLUSH_HE])); -+ atomic_read_unchecked(&sent[SMB2_FLUSH_HE]), -+ atomic_read_unchecked(&failed[SMB2_FLUSH_HE])); - seq_printf(m, "\nReads: %d sent %d failed", -- atomic_read(&sent[SMB2_READ_HE]), -- atomic_read(&failed[SMB2_READ_HE])); -+ atomic_read_unchecked(&sent[SMB2_READ_HE]), -+ atomic_read_unchecked(&failed[SMB2_READ_HE])); - seq_printf(m, "\nWrites: %d sent %d failed", -- atomic_read(&sent[SMB2_WRITE_HE]), -- atomic_read(&failed[SMB2_WRITE_HE])); -+ atomic_read_unchecked(&sent[SMB2_WRITE_HE]), -+ atomic_read_unchecked(&failed[SMB2_WRITE_HE])); - seq_printf(m, "\nLocks: %d sent %d failed", -- atomic_read(&sent[SMB2_LOCK_HE]), -- atomic_read(&failed[SMB2_LOCK_HE])); -+ atomic_read_unchecked(&sent[SMB2_LOCK_HE]), -+ atomic_read_unchecked(&failed[SMB2_LOCK_HE])); - seq_printf(m, "\nIOCTLs: %d sent %d failed", -- atomic_read(&sent[SMB2_IOCTL_HE]), -- atomic_read(&failed[SMB2_IOCTL_HE])); -+ atomic_read_unchecked(&sent[SMB2_IOCTL_HE]), -+ atomic_read_unchecked(&failed[SMB2_IOCTL_HE])); - seq_printf(m, "\nCancels: %d sent %d failed", -- atomic_read(&sent[SMB2_CANCEL_HE]), -- atomic_read(&failed[SMB2_CANCEL_HE])); -+ atomic_read_unchecked(&sent[SMB2_CANCEL_HE]), -+ atomic_read_unchecked(&failed[SMB2_CANCEL_HE])); - seq_printf(m, "\nEchos: %d sent %d failed", -- atomic_read(&sent[SMB2_ECHO_HE]), -- atomic_read(&failed[SMB2_ECHO_HE])); -+ atomic_read_unchecked(&sent[SMB2_ECHO_HE]), -+ atomic_read_unchecked(&failed[SMB2_ECHO_HE])); - seq_printf(m, "\nQueryDirectories: %d sent %d failed", -- atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), -- atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); -+ atomic_read_unchecked(&sent[SMB2_QUERY_DIRECTORY_HE]), -+ atomic_read_unchecked(&failed[SMB2_QUERY_DIRECTORY_HE])); - seq_printf(m, "\nChangeNotifies: %d sent %d failed", -- atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), -- atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); -+ atomic_read_unchecked(&sent[SMB2_CHANGE_NOTIFY_HE]), -+ atomic_read_unchecked(&failed[SMB2_CHANGE_NOTIFY_HE])); - seq_printf(m, "\nQueryInfos: %d sent %d failed", -- atomic_read(&sent[SMB2_QUERY_INFO_HE]), -- atomic_read(&failed[SMB2_QUERY_INFO_HE])); -+ atomic_read_unchecked(&sent[SMB2_QUERY_INFO_HE]), -+ atomic_read_unchecked(&failed[SMB2_QUERY_INFO_HE])); - seq_printf(m, "\nSetInfos: %d sent %d failed", -- atomic_read(&sent[SMB2_SET_INFO_HE]), -- atomic_read(&failed[SMB2_SET_INFO_HE])); -+ atomic_read_unchecked(&sent[SMB2_SET_INFO_HE]), -+ atomic_read_unchecked(&failed[SMB2_SET_INFO_HE])); - seq_printf(m, "\nOplockBreaks: %d sent %d failed", -- atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), -- atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); -+ atomic_read_unchecked(&sent[SMB2_OPLOCK_BREAK_HE]), -+ atomic_read_unchecked(&failed[SMB2_OPLOCK_BREAK_HE])); - #endif - } - -diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c -index 54cbe19..fcd4a1b 100644 ---- a/fs/cifs/smb2pdu.c -+++ b/fs/cifs/smb2pdu.c -@@ -2147,8 +2147,7 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, - default: - cifs_dbg(VFS, "info level %u isn't supported\n", - srch_inf->info_level); -- rc = -EINVAL; -- goto qdir_exit; -+ return -EINVAL; - } - - req->FileIndex = cpu_to_le32(index); -diff --git a/fs/coda/cache.c b/fs/coda/cache.c -index 5bb630a..043dc70 100644 ---- a/fs/coda/cache.c -+++ b/fs/coda/cache.c -@@ -24,7 +24,7 @@ - #include "coda_linux.h" - #include "coda_cache.h" - --static atomic_t permission_epoch = ATOMIC_INIT(0); -+static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0); - - /* replace or extend an acl cache hit */ - void coda_cache_enter(struct inode *inode, int mask) -@@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inode, int mask) - struct coda_inode_info *cii = ITOC(inode); - - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch); -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch); - if (!uid_eq(cii->c_uid, current_fsuid())) { - cii->c_uid = current_fsuid(); - cii->c_cached_perm = mask; -@@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode *inode) - { - struct coda_inode_info *cii = ITOC(inode); - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch) - 1; -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1; - spin_unlock(&cii->c_lock); - } - - /* remove all acl caches */ - void coda_cache_clear_all(struct super_block *sb) - { -- atomic_inc(&permission_epoch); -+ atomic_inc_unchecked(&permission_epoch); - } - - -@@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode, int mask) - spin_lock(&cii->c_lock); - hit = (mask & cii->c_cached_perm) == mask && - uid_eq(cii->c_uid, current_fsuid()) && -- cii->c_cached_epoch == atomic_read(&permission_epoch); -+ cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch); - spin_unlock(&cii->c_lock); - - return hit; -diff --git a/fs/compat.c b/fs/compat.c -index 6fd272d..dd34ba2 100644 ---- a/fs/compat.c -+++ b/fs/compat.c -@@ -54,7 +54,7 @@ - #include <asm/ioctls.h> - #include "internal.h" - --int compat_log = 1; -+int compat_log = 0; - - int compat_printk(const char *fmt, ...) - { -@@ -512,7 +512,7 @@ COMPAT_SYSCALL_DEFINE2(io_setup, unsigned, nr_reqs, u32 __user *, ctx32p) - - set_fs(KERNEL_DS); - /* The __user pointer cast is valid because of the set_fs() */ -- ret = sys_io_setup(nr_reqs, (aio_context_t __user *) &ctx64); -+ ret = sys_io_setup(nr_reqs, (aio_context_t __force_user *) &ctx64); - set_fs(oldfs); - /* truncating is ok because it's a user address */ - if (!ret) -@@ -562,7 +562,7 @@ ssize_t compat_rw_copy_check_uvector(int type, - goto out; - - ret = -EINVAL; -- if (nr_segs > UIO_MAXIOV || nr_segs < 0) -+ if (nr_segs > UIO_MAXIOV) - goto out; - if (nr_segs > fast_segs) { - ret = -ENOMEM; -@@ -844,6 +844,7 @@ struct compat_old_linux_dirent { - struct compat_readdir_callback { - struct dir_context ctx; - struct compat_old_linux_dirent __user *dirent; -+ struct file * file; - int result; - }; - -@@ -863,6 +864,10 @@ static int compat_fillonedir(struct dir_context *ctx, const char *name, - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -894,6 +899,7 @@ COMPAT_SYSCALL_DEFINE3(old_readdir, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (buf.result) - error = buf.result; -@@ -913,6 +919,7 @@ struct compat_getdents_callback { - struct dir_context ctx; - struct compat_linux_dirent __user *current_dir; - struct compat_linux_dirent __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -935,6 +942,10 @@ static int compat_filldir(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -980,6 +991,7 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -@@ -1000,6 +1012,7 @@ struct compat_getdents_callback64 { - struct dir_context ctx; - struct linux_dirent64 __user *current_dir; - struct linux_dirent64 __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -1018,6 +1031,10 @@ static int compat_filldir64(struct dir_context *ctx, const char *name, - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - - if (dirent) { -@@ -1067,6 +1084,7 @@ COMPAT_SYSCALL_DEFINE3(getdents64, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c -index 4d24d17..4f8c09e 100644 ---- a/fs/compat_binfmt_elf.c -+++ b/fs/compat_binfmt_elf.c -@@ -30,11 +30,13 @@ - #undef elf_phdr - #undef elf_shdr - #undef elf_note -+#undef elf_dyn - #undef elf_addr_t - #define elfhdr elf32_hdr - #define elf_phdr elf32_phdr - #define elf_shdr elf32_shdr - #define elf_note elf32_note -+#define elf_dyn Elf32_Dyn - #define elf_addr_t Elf32_Addr - - /* -diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c -index 6b8e2f0..9b13a5e 100644 ---- a/fs/compat_ioctl.c -+++ b/fs/compat_ioctl.c -@@ -622,7 +622,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd, - return -EFAULT; - if (__get_user(udata, &ss32->iomem_base)) - return -EFAULT; -- ss.iomem_base = compat_ptr(udata); -+ ss.iomem_base = (unsigned char __force_kernel *)compat_ptr(udata); - if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || - __get_user(ss.port_high, &ss32->port_high)) - return -EFAULT; -@@ -704,8 +704,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, - for (i = 0; i < nmsgs; i++) { - if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) - return -EFAULT; -- if (get_user(datap, &umsgs[i].buf) || -- put_user(compat_ptr(datap), &tmsgs[i].buf)) -+ if (get_user(datap, (compat_caddr_t __user *)&umsgs[i].buf) || -+ put_user(compat_ptr(datap), (u8 __user * __user *)&tmsgs[i].buf)) - return -EFAULT; - } - return sys_ioctl(fd, cmd, (unsigned long)tdata); -@@ -798,7 +798,7 @@ static int compat_ioctl_preallocate(struct file *file, - copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || - copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || - copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || -- copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) -+ copy_in_user(p->l_pad, p32->l_pad, 4*sizeof(u32))) - return -EFAULT; - - return ioctl_preallocate(file, p); -@@ -1620,8 +1620,8 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, - static int __init init_sys32_ioctl_cmp(const void *p, const void *q) - { - unsigned int a, b; -- a = *(unsigned int *)p; -- b = *(unsigned int *)q; -+ a = *(const unsigned int *)p; -+ b = *(const unsigned int *)q; - if (a > b) - return 1; - if (a < b) -diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c -index c81ce7f..f3de5fd 100644 ---- a/fs/configfs/dir.c -+++ b/fs/configfs/dir.c -@@ -1540,7 +1540,8 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx) - } - for (p = q->next; p != &parent_sd->s_children; p = p->next) { - struct configfs_dirent *next; -- const char *name; -+ const unsigned char * name; -+ char d_name[sizeof(next->s_dentry->d_iname)]; - int len; - struct inode *inode = NULL; - -@@ -1549,7 +1550,12 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx) - continue; - - name = configfs_get_name(next); -- len = strlen(name); -+ if (next->s_dentry && name == next->s_dentry->d_iname) { -+ len = next->s_dentry->d_name.len; -+ memcpy(d_name, name, len); -+ name = d_name; -+ } else -+ len = strlen(name); - - /* - * We'll have a dentry and an inode for -diff --git a/fs/configfs/item.c b/fs/configfs/item.c -index e65f9ff..3ed264d 100644 ---- a/fs/configfs/item.c -+++ b/fs/configfs/item.c -@@ -116,7 +116,7 @@ void config_item_init_type_name(struct config_item *item, - const char *name, - struct config_item_type *type) - { -- config_item_set_name(item, name); -+ config_item_set_name(item, "%s", name); - item->ci_type = type; - config_item_init(item); - } -@@ -125,7 +125,7 @@ EXPORT_SYMBOL(config_item_init_type_name); - void config_group_init_type_name(struct config_group *group, const char *name, - struct config_item_type *type) - { -- config_item_set_name(&group->cg_item, name); -+ config_item_set_name(&group->cg_item, "%s", name); - group->cg_item.ci_type = type; - config_group_init(group); - } -diff --git a/fs/coredump.c b/fs/coredump.c -index bbbe139..b76fae5 100644 ---- a/fs/coredump.c -+++ b/fs/coredump.c -@@ -450,8 +450,8 @@ static void wait_for_dump_helpers(struct file *file) - struct pipe_inode_info *pipe = file->private_data; - - pipe_lock(pipe); -- pipe->readers++; -- pipe->writers--; -+ atomic_inc(&pipe->readers); -+ atomic_dec(&pipe->writers); - wake_up_interruptible_sync(&pipe->wait); - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - pipe_unlock(pipe); -@@ -460,11 +460,11 @@ static void wait_for_dump_helpers(struct file *file) - * We actually want wait_event_freezable() but then we need - * to clear TIF_SIGPENDING and improve dump_interrupted(). - */ -- wait_event_interruptible(pipe->wait, pipe->readers == 1); -+ wait_event_interruptible(pipe->wait, atomic_read(&pipe->readers) == 1); - - pipe_lock(pipe); -- pipe->readers--; -- pipe->writers++; -+ atomic_dec(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe_unlock(pipe); - } - -@@ -511,7 +511,9 @@ void do_coredump(const siginfo_t *siginfo) - struct files_struct *displaced; - bool need_nonrelative = false; - bool core_dumped = false; -- static atomic_t core_dump_count = ATOMIC_INIT(0); -+ static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0); -+ long signr = siginfo->si_signo; -+ int dumpable; - struct coredump_params cprm = { - .siginfo = siginfo, - .regs = signal_pt_regs(), -@@ -524,12 +526,17 @@ void do_coredump(const siginfo_t *siginfo) - .mm_flags = mm->flags, - }; - -- audit_core_dumps(siginfo->si_signo); -+ audit_core_dumps(signr); -+ -+ dumpable = __get_dumpable(cprm.mm_flags); -+ -+ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL) -+ gr_handle_brute_attach(dumpable); - - binfmt = mm->binfmt; - if (!binfmt || !binfmt->core_dump) - goto fail; -- if (!__get_dumpable(cprm.mm_flags)) -+ if (!dumpable) - goto fail; - - cred = prepare_creds(); -@@ -548,7 +555,7 @@ void do_coredump(const siginfo_t *siginfo) - need_nonrelative = true; - } - -- retval = coredump_wait(siginfo->si_signo, &core_state); -+ retval = coredump_wait(signr, &core_state); - if (retval < 0) - goto fail_creds; - -@@ -591,7 +598,7 @@ void do_coredump(const siginfo_t *siginfo) - } - cprm.limit = RLIM_INFINITY; - -- dump_count = atomic_inc_return(&core_dump_count); -+ dump_count = atomic_inc_return_unchecked(&core_dump_count); - if (core_pipe_limit && (core_pipe_limit < dump_count)) { - printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n", - task_tgid_vnr(current), current->comm); -@@ -623,6 +630,8 @@ void do_coredump(const siginfo_t *siginfo) - } else { - struct inode *inode; - -+ gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1); -+ - if (cprm.limit < binfmt->min_coredump) - goto fail_unlock; - -@@ -681,7 +690,7 @@ close_fail: - filp_close(cprm.file, NULL); - fail_dropcount: - if (ispipe) -- atomic_dec(&core_dump_count); -+ atomic_dec_unchecked(&core_dump_count); - fail_unlock: - kfree(cn.corename); - coredump_finish(mm, core_dumped); -@@ -702,6 +711,8 @@ int dump_emit(struct coredump_params *cprm, const void *addr, int nr) - struct file *file = cprm->file; - loff_t pos = file->f_pos; - ssize_t n; -+ -+ gr_learn_resource(current, RLIMIT_CORE, cprm->written + nr, 1); - if (cprm->written + nr > cprm->limit) - return 0; - while (nr) { -diff --git a/fs/dcache.c b/fs/dcache.c -index 5d03eb0..d874b57 100644 ---- a/fs/dcache.c -+++ b/fs/dcache.c -@@ -545,7 +545,7 @@ static void __dentry_kill(struct dentry *dentry) - * dentry_iput drops the locks, at which point nobody (except - * transient RCU lookups) can reach this dentry. - */ -- BUG_ON(dentry->d_lockref.count > 0); -+ BUG_ON(__lockref_read(&dentry->d_lockref) > 0); - this_cpu_dec(nr_dentry); - if (dentry->d_op && dentry->d_op->d_release) - dentry->d_op->d_release(dentry); -@@ -598,7 +598,7 @@ static inline struct dentry *lock_parent(struct dentry *dentry) - struct dentry *parent = dentry->d_parent; - if (IS_ROOT(dentry)) - return NULL; -- if (unlikely(dentry->d_lockref.count < 0)) -+ if (unlikely(__lockref_read(&dentry->d_lockref) < 0)) - return NULL; - if (likely(spin_trylock(&parent->d_lock))) - return parent; -@@ -660,8 +660,8 @@ static inline bool fast_dput(struct dentry *dentry) - */ - if (unlikely(ret < 0)) { - spin_lock(&dentry->d_lock); -- if (dentry->d_lockref.count > 1) { -- dentry->d_lockref.count--; -+ if (__lockref_read(&dentry->d_lockref) > 1) { -+ __lockref_dec(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - return 1; - } -@@ -716,7 +716,7 @@ static inline bool fast_dput(struct dentry *dentry) - * else could have killed it and marked it dead. Either way, we - * don't need to do anything else. - */ -- if (dentry->d_lockref.count) { -+ if (__lockref_read(&dentry->d_lockref)) { - spin_unlock(&dentry->d_lock); - return 1; - } -@@ -726,7 +726,7 @@ static inline bool fast_dput(struct dentry *dentry) - * lock, and we just tested that it was zero, so we can just - * set it to 1. - */ -- dentry->d_lockref.count = 1; -+ __lockref_set(&dentry->d_lockref, 1); - return 0; - } - -@@ -788,7 +788,7 @@ repeat: - dentry->d_flags |= DCACHE_REFERENCED; - dentry_lru_add(dentry); - -- dentry->d_lockref.count--; -+ __lockref_dec(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - return; - -@@ -803,7 +803,7 @@ EXPORT_SYMBOL(dput); - /* This must be called with d_lock held */ - static inline void __dget_dlock(struct dentry *dentry) - { -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - } - - static inline void __dget(struct dentry *dentry) -@@ -844,8 +844,8 @@ repeat: - goto repeat; - } - rcu_read_unlock(); -- BUG_ON(!ret->d_lockref.count); -- ret->d_lockref.count++; -+ BUG_ON(!__lockref_read(&ret->d_lockref)); -+ __lockref_inc(&ret->d_lockref); - spin_unlock(&ret->d_lock); - return ret; - } -@@ -923,9 +923,9 @@ restart: - spin_lock(&inode->i_lock); - hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { - spin_lock(&dentry->d_lock); -- if (!dentry->d_lockref.count) { -+ if (!__lockref_read(&dentry->d_lockref)) { - struct dentry *parent = lock_parent(dentry); -- if (likely(!dentry->d_lockref.count)) { -+ if (likely(!__lockref_read(&dentry->d_lockref))) { - __dentry_kill(dentry); - dput(parent); - goto restart; -@@ -960,7 +960,7 @@ static void shrink_dentry_list(struct list_head *list) - * We found an inuse dentry which was not removed from - * the LRU because of laziness during lookup. Do not free it. - */ -- if (dentry->d_lockref.count > 0) { -+ if (__lockref_read(&dentry->d_lockref) > 0) { - spin_unlock(&dentry->d_lock); - if (parent) - spin_unlock(&parent->d_lock); -@@ -998,8 +998,8 @@ static void shrink_dentry_list(struct list_head *list) - dentry = parent; - while (dentry && !lockref_put_or_lock(&dentry->d_lockref)) { - parent = lock_parent(dentry); -- if (dentry->d_lockref.count != 1) { -- dentry->d_lockref.count--; -+ if (__lockref_read(&dentry->d_lockref) != 1) { -+ __lockref_inc(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - if (parent) - spin_unlock(&parent->d_lock); -@@ -1039,7 +1039,7 @@ static enum lru_status dentry_lru_isolate(struct list_head *item, - * counts, just remove them from the LRU. Otherwise give them - * another pass through the LRU. - */ -- if (dentry->d_lockref.count) { -+ if (__lockref_read(&dentry->d_lockref)) { - d_lru_isolate(lru, dentry); - spin_unlock(&dentry->d_lock); - return LRU_REMOVED; -@@ -1373,7 +1373,7 @@ static enum d_walk_ret select_collect(void *_data, struct dentry *dentry) - } else { - if (dentry->d_flags & DCACHE_LRU_LIST) - d_lru_del(dentry); -- if (!dentry->d_lockref.count) { -+ if (!__lockref_read(&dentry->d_lockref)) { - d_shrink_add(dentry, &data->dispose); - data->found++; - } -@@ -1421,7 +1421,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) - return D_WALK_CONTINUE; - - /* root with refcount 1 is fine */ -- if (dentry == _data && dentry->d_lockref.count == 1) -+ if (dentry == _data && __lockref_read(&dentry->d_lockref) == 1) - return D_WALK_CONTINUE; - - printk(KERN_ERR "BUG: Dentry %p{i=%lx,n=%pd} " -@@ -1430,7 +1430,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) - dentry->d_inode ? - dentry->d_inode->i_ino : 0UL, - dentry, -- dentry->d_lockref.count, -+ __lockref_read(&dentry->d_lockref), - dentry->d_sb->s_type->name, - dentry->d_sb->s_id); - WARN_ON(1); -@@ -1571,7 +1571,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - dentry->d_iname[DNAME_INLINE_LEN-1] = 0; - if (name->len > DNAME_INLINE_LEN-1) { - size_t size = offsetof(struct external_name, name[1]); -- struct external_name *p = kmalloc(size + name->len, GFP_KERNEL); -+ struct external_name *p = kmalloc(round_up(size + name->len, sizeof(unsigned long)), GFP_KERNEL); - if (!p) { - kmem_cache_free(dentry_cache, dentry); - return NULL; -@@ -1594,7 +1594,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - smp_wmb(); - dentry->d_name.name = dname; - -- dentry->d_lockref.count = 1; -+ __lockref_set(&dentry->d_lockref, 1); - dentry->d_flags = 0; - spin_lock_init(&dentry->d_lock); - seqcount_init(&dentry->d_seq); -@@ -1603,6 +1603,9 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - dentry->d_sb = sb; - dentry->d_op = NULL; - dentry->d_fsdata = NULL; -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ atomic_set(&dentry->chroot_refcnt, 0); -+#endif - INIT_HLIST_BL_NODE(&dentry->d_hash); - INIT_LIST_HEAD(&dentry->d_lru); - INIT_LIST_HEAD(&dentry->d_subdirs); -@@ -2324,7 +2327,7 @@ struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name) - goto next; - } - -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - found = dentry; - spin_unlock(&dentry->d_lock); - break; -@@ -2392,7 +2395,7 @@ again: - spin_lock(&dentry->d_lock); - inode = dentry->d_inode; - isdir = S_ISDIR(inode->i_mode); -- if (dentry->d_lockref.count == 1) { -+ if (__lockref_read(&dentry->d_lockref) == 1) { - if (!spin_trylock(&inode->i_lock)) { - spin_unlock(&dentry->d_lock); - cpu_relax(); -@@ -3334,7 +3337,7 @@ static enum d_walk_ret d_genocide_kill(void *data, struct dentry *dentry) - - if (!(dentry->d_flags & DCACHE_GENOCIDE)) { - dentry->d_flags |= DCACHE_GENOCIDE; -- dentry->d_lockref.count--; -+ __lockref_dec(&dentry->d_lockref); - } - } - return D_WALK_CONTINUE; -@@ -3450,7 +3453,8 @@ void __init vfs_caches_init(unsigned long mempages) - mempages -= reserve; - - names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY| -+ SLAB_NO_SANITIZE, NULL); - - dcache_init(); - inode_init(); -diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c -index 1275604..d2ca85b 100644 ---- a/fs/debugfs/inode.c -+++ b/fs/debugfs/inode.c -@@ -407,6 +407,10 @@ EXPORT_SYMBOL_GPL(debugfs_create_file_size); - * If debugfs is not enabled in the kernel, the value -%ENODEV will be - * returned. - */ -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+extern int grsec_enable_sysfs_restrict; -+#endif -+ - struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) - { - struct dentry *dentry = start_creating(name, parent); -@@ -419,7 +423,12 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) - if (unlikely(!inode)) - return failed_creating(dentry); - -- inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ if (grsec_enable_sysfs_restrict) -+ inode->i_mode = S_IFDIR | S_IRWXU; -+ else -+#endif -+ inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; - inode->i_op = &simple_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - -diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c -index fc850b5..1677a2a 100644 ---- a/fs/ecryptfs/inode.c -+++ b/fs/ecryptfs/inode.c -@@ -663,7 +663,7 @@ static char *ecryptfs_readlink_lower(struct dentry *dentry, size_t *bufsiz) - old_fs = get_fs(); - set_fs(get_ds()); - rc = d_inode(lower_dentry)->i_op->readlink(lower_dentry, -- (char __user *)lower_buf, -+ (char __force_user *)lower_buf, - PATH_MAX); - set_fs(old_fs); - if (rc < 0) -diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c -index e4141f2..d8263e8 100644 ---- a/fs/ecryptfs/miscdev.c -+++ b/fs/ecryptfs/miscdev.c -@@ -304,7 +304,7 @@ check_list: - goto out_unlock_msg_ctx; - i = PKT_TYPE_SIZE + PKT_CTR_SIZE; - if (msg_ctx->msg) { -- if (copy_to_user(&buf[i], packet_length, packet_length_size)) -+ if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size)) - goto out_unlock_msg_ctx; - i += packet_length_size; - if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size)) -diff --git a/fs/exec.c b/fs/exec.c -index 1977c2a..40e7f8f 100644 ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -56,8 +56,20 @@ - #include <linux/pipe_fs_i.h> - #include <linux/oom.h> - #include <linux/compat.h> -+#include <linux/random.h> -+#include <linux/seq_file.h> -+#include <linux/coredump.h> -+#include <linux/mman.h> -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#include <linux/kallsyms.h> -+#include <linux/kdebug.h> -+#endif -+ -+#include <trace/events/fs.h> - - #include <asm/uaccess.h> -+#include <asm/sections.h> - #include <asm/mmu_context.h> - #include <asm/tlb.h> - -@@ -66,19 +78,34 @@ - - #include <trace/events/sched.h> - -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+void __weak pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ pr_warn_once("PAX: PAX_HAVE_ACL_FLAGS was enabled without providing the pax_set_initial_flags callback, this is probably not what you wanted.\n"); -+} -+#endif -+ -+#ifdef CONFIG_PAX_HOOK_ACL_FLAGS -+void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+EXPORT_SYMBOL(pax_set_initial_flags_func); -+#endif -+ - int suid_dumpable = 0; - - static LIST_HEAD(formats); - static DEFINE_RWLOCK(binfmt_lock); - -+extern int gr_process_kernel_exec_ban(void); -+extern int gr_process_suid_exec_ban(const struct linux_binprm *bprm); -+ - void __register_binfmt(struct linux_binfmt * fmt, int insert) - { - BUG_ON(!fmt); - if (WARN_ON(!fmt->load_binary)) - return; - write_lock(&binfmt_lock); -- insert ? list_add(&fmt->lh, &formats) : -- list_add_tail(&fmt->lh, &formats); -+ insert ? pax_list_add((struct list_head *)&fmt->lh, &formats) : -+ pax_list_add_tail((struct list_head *)&fmt->lh, &formats); - write_unlock(&binfmt_lock); - } - -@@ -87,7 +114,7 @@ EXPORT_SYMBOL(__register_binfmt); - void unregister_binfmt(struct linux_binfmt * fmt) - { - write_lock(&binfmt_lock); -- list_del(&fmt->lh); -+ pax_list_del((struct list_head *)&fmt->lh); - write_unlock(&binfmt_lock); - } - -@@ -183,18 +210,10 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, - int write) - { - struct page *page; -- int ret; - --#ifdef CONFIG_STACK_GROWSUP -- if (write) { -- ret = expand_downwards(bprm->vma, pos); -- if (ret < 0) -- return NULL; -- } --#endif -- ret = get_user_pages(current, bprm->mm, pos, -- 1, write, 1, &page, NULL); -- if (ret <= 0) -+ if (0 > expand_downwards(bprm->vma, pos)) -+ return NULL; -+ if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL)) - return NULL; - - if (write) { -@@ -210,6 +229,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, - if (size <= ARG_MAX) - return page; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ // only allow 512KB for argv+env on suid/sgid binaries -+ // to prevent easy ASLR exhaustion -+ if (((!uid_eq(bprm->cred->euid, current_euid())) || -+ (!gid_eq(bprm->cred->egid, current_egid()))) && -+ (size > (512 * 1024))) { -+ put_page(page); -+ return NULL; -+ } -+#endif -+ - /* - * Limit to 1/4-th the stack size for the argv+env strings. - * This ensures that: -@@ -269,6 +299,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm) - vma->vm_end = STACK_TOP_MAX; - vma->vm_start = vma->vm_end - PAGE_SIZE; - vma->vm_flags = VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - INIT_LIST_HEAD(&vma->anon_vma_chain); - -@@ -280,6 +315,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm) - arch_bprm_mm_init(mm, vma); - up_write(&mm->mmap_sem); - bprm->p = vma->vm_end - sizeof(void *); -+ -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (randomize_va_space) -+ bprm->p ^= prandom_u32() & ~PAGE_MASK; -+#endif -+ - return 0; - err: - up_write(&mm->mmap_sem); -@@ -396,7 +437,7 @@ struct user_arg_ptr { - } ptr; - }; - --static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) -+const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) - { - const char __user *native; - -@@ -405,14 +446,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) - compat_uptr_t compat; - - if (get_user(compat, argv.ptr.compat + nr)) -- return ERR_PTR(-EFAULT); -+ return (const char __force_user *)ERR_PTR(-EFAULT); - - return compat_ptr(compat); - } - #endif - - if (get_user(native, argv.ptr.native + nr)) -- return ERR_PTR(-EFAULT); -+ return (const char __force_user *)ERR_PTR(-EFAULT); - - return native; - } -@@ -431,7 +472,7 @@ static int count(struct user_arg_ptr argv, int max) - if (!p) - break; - -- if (IS_ERR(p)) -+ if (IS_ERR((const char __force_kernel *)p)) - return -EFAULT; - - if (i >= max) -@@ -466,7 +507,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv, - - ret = -EFAULT; - str = get_user_arg_ptr(argv, argc); -- if (IS_ERR(str)) -+ if (IS_ERR((const char __force_kernel *)str)) - goto out; - - len = strnlen_user(str, MAX_ARG_STRLEN); -@@ -548,7 +589,7 @@ int copy_strings_kernel(int argc, const char *const *__argv, - int r; - mm_segment_t oldfs = get_fs(); - struct user_arg_ptr argv = { -- .ptr.native = (const char __user *const __user *)__argv, -+ .ptr.native = (const char __user * const __force_user *)__argv, - }; - - set_fs(KERNEL_DS); -@@ -583,7 +624,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) - unsigned long new_end = old_end - shift; - struct mmu_gather tlb; - -- BUG_ON(new_start > new_end); -+ if (new_start >= new_end || new_start < mmap_min_addr) -+ return -ENOMEM; - - /* - * ensure there are no vmas between where we want to go -@@ -592,6 +634,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) - if (vma != find_vma(mm, new_start)) - return -EFAULT; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ BUG_ON(pax_find_mirror_vma(vma)); -+#endif -+ - /* - * cover the whole range: [new_start, old_end) - */ -@@ -675,10 +721,6 @@ int setup_arg_pages(struct linux_binprm *bprm, - stack_top = arch_align_stack(stack_top); - stack_top = PAGE_ALIGN(stack_top); - -- if (unlikely(stack_top < mmap_min_addr) || -- unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr)) -- return -ENOMEM; -- - stack_shift = vma->vm_end - stack_top; - - bprm->p -= stack_shift; -@@ -690,8 +732,28 @@ int setup_arg_pages(struct linux_binprm *bprm, - bprm->exec -= stack_shift; - - down_write(&mm->mmap_sem); -+ -+ /* Move stack pages down in memory. */ -+ if (stack_shift) { -+ ret = shift_arg_pages(vma, stack_shift); -+ if (ret) -+ goto out_unlock; -+ } -+ - vm_flags = VM_STACK_FLAGS; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - /* - * Adjust stack execute permissions; explicitly enable for - * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone -@@ -710,13 +772,6 @@ int setup_arg_pages(struct linux_binprm *bprm, - goto out_unlock; - BUG_ON(prev != vma); - -- /* Move stack pages down in memory. */ -- if (stack_shift) { -- ret = shift_arg_pages(vma, stack_shift); -- if (ret) -- goto out_unlock; -- } -- - /* mprotect_fixup is overkill to remove the temporary stack flags */ - vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP; - -@@ -740,6 +795,27 @@ int setup_arg_pages(struct linux_binprm *bprm, - #endif - current->mm->start_stack = bprm->p; - ret = expand_stack(vma, stack_base); -+ -+#if !defined(CONFIG_STACK_GROWSUP) && defined(CONFIG_PAX_RANDMMAP) -+ if (!ret && (mm->pax_flags & MF_PAX_RANDMMAP) && STACK_TOP <= 0xFFFFFFFFU && STACK_TOP > vma->vm_end) { -+ unsigned long size; -+ vm_flags_t vm_flags; -+ -+ size = STACK_TOP - vma->vm_end; -+ vm_flags = VM_NONE | VM_DONTEXPAND | VM_DONTDUMP; -+ -+ ret = vma->vm_end != mmap_region(NULL, vma->vm_end, size, vm_flags, 0); -+ -+#ifdef CONFIG_X86 -+ if (!ret) { -+ size = PAGE_SIZE + mmap_min_addr + ((mm->delta_mmap ^ mm->delta_stack) & (0xFFUL << PAGE_SHIFT)); -+ ret = 0 != mmap_region(NULL, 0, PAGE_ALIGN(size), vm_flags, 0); -+ } -+#endif -+ -+ } -+#endif -+ - if (ret) - ret = -EFAULT; - -@@ -784,8 +860,10 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) - if (err) - goto exit; - -- if (name->name[0] != '\0') -+ if (name->name[0] != '\0') { - fsnotify_open(file); -+ trace_open_exec(name->name); -+ } - - out: - return file; -@@ -818,7 +896,7 @@ int kernel_read(struct file *file, loff_t offset, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- result = vfs_read(file, (void __user *)addr, count, &pos); -+ result = vfs_read(file, (void __force_user *)addr, count, &pos); - set_fs(old_fs); - return result; - } -@@ -863,6 +941,7 @@ static int exec_mmap(struct mm_struct *mm) - tsk->mm = mm; - tsk->active_mm = mm; - activate_mm(active_mm, mm); -+ populate_stack(); - tsk->mm->vmacache_seqnum = 0; - vmacache_flush(tsk); - task_unlock(tsk); -@@ -1271,7 +1350,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm) - } - rcu_read_unlock(); - -- if (p->fs->users > n_fs) -+ if (atomic_read(&p->fs->users) > n_fs) - bprm->unsafe |= LSM_UNSAFE_SHARE; - else - p->fs->in_exec = 1; -@@ -1472,6 +1551,31 @@ static int exec_binprm(struct linux_binprm *bprm) - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+static DEFINE_PER_CPU(u64, exec_counter); -+static int __init init_exec_counters(void) -+{ -+ unsigned int cpu; -+ -+ for_each_possible_cpu(cpu) { -+ per_cpu(exec_counter, cpu) = (u64)cpu; -+ } -+ -+ return 0; -+} -+early_initcall(init_exec_counters); -+static inline void increment_exec_counter(void) -+{ -+ BUILD_BUG_ON(NR_CPUS > (1 << 16)); -+ current->exec_id = this_cpu_add_return(exec_counter, 1 << 16); -+} -+#else -+static inline void increment_exec_counter(void) {} -+#endif -+ -+extern void gr_handle_exec_args(struct linux_binprm *bprm, -+ struct user_arg_ptr argv); -+ - /* - * sys_execve() executes a new program. - */ -@@ -1480,6 +1584,11 @@ static int do_execveat_common(int fd, struct filename *filename, - struct user_arg_ptr envp, - int flags) - { -+#ifdef CONFIG_GRKERNSEC -+ struct file *old_exec_file; -+ struct acl_subject_label *old_acl; -+ struct rlimit old_rlim[RLIM_NLIMITS]; -+#endif - char *pathbuf = NULL; - struct linux_binprm *bprm; - struct file *file; -@@ -1489,6 +1598,8 @@ static int do_execveat_common(int fd, struct filename *filename, - if (IS_ERR(filename)) - return PTR_ERR(filename); - -+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(&current_user()->processes), 1); -+ - /* - * We move the actual failure in case of RLIMIT_NPROC excess from - * set*uid() to execve() because too many poorly written programs -@@ -1526,6 +1637,11 @@ static int do_execveat_common(int fd, struct filename *filename, - if (IS_ERR(file)) - goto out_unmark; - -+ if (gr_ptrace_readexec(file, bprm->unsafe)) { -+ retval = -EPERM; -+ goto out_unmark; -+ } -+ - sched_exec(); - - bprm->file = file; -@@ -1552,6 +1668,11 @@ static int do_execveat_common(int fd, struct filename *filename, - } - bprm->interp = bprm->filename; - -+ if (!gr_acl_handle_execve(file->f_path.dentry, file->f_path.mnt)) { -+ retval = -EACCES; -+ goto out_unmark; -+ } -+ - retval = bprm_mm_init(bprm); - if (retval) - goto out_unmark; -@@ -1568,24 +1689,70 @@ static int do_execveat_common(int fd, struct filename *filename, - if (retval < 0) - goto out; - -+#ifdef CONFIG_GRKERNSEC -+ old_acl = current->acl; -+ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim)); -+ old_exec_file = current->exec_file; -+ get_file(file); -+ current->exec_file = file; -+#endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* limit suid stack to 8MB -+ * we saved the old limits above and will restore them if this exec fails -+ */ -+ if (((!uid_eq(bprm->cred->euid, current_euid())) || (!gid_eq(bprm->cred->egid, current_egid()))) && -+ (old_rlim[RLIMIT_STACK].rlim_cur > (8 * 1024 * 1024))) -+ current->signal->rlim[RLIMIT_STACK].rlim_cur = 8 * 1024 * 1024; -+#endif -+ -+ if (gr_process_kernel_exec_ban() || gr_process_suid_exec_ban(bprm)) { -+ retval = -EPERM; -+ goto out_fail; -+ } -+ -+ if (!gr_tpe_allow(file)) { -+ retval = -EACCES; -+ goto out_fail; -+ } -+ -+ if (gr_check_crash_exec(file)) { -+ retval = -EACCES; -+ goto out_fail; -+ } -+ -+ retval = gr_set_proc_label(file->f_path.dentry, file->f_path.mnt, -+ bprm->unsafe); -+ if (retval < 0) -+ goto out_fail; -+ - retval = copy_strings_kernel(1, &bprm->filename, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; - - bprm->exec = bprm->p; - retval = copy_strings(bprm->envc, envp, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; - - retval = copy_strings(bprm->argc, argv, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; -+ -+ gr_log_chroot_exec(file->f_path.dentry, file->f_path.mnt); -+ -+ gr_handle_exec_args(bprm, argv); - - retval = exec_binprm(bprm); - if (retval < 0) -- goto out; -+ goto out_fail; -+#ifdef CONFIG_GRKERNSEC -+ if (old_exec_file) -+ fput(old_exec_file); -+#endif - - /* execve succeeded */ -+ -+ increment_exec_counter(); - current->fs->in_exec = 0; - current->in_execve = 0; - acct_update_integrals(current); -@@ -1597,6 +1764,14 @@ static int do_execveat_common(int fd, struct filename *filename, - put_files_struct(displaced); - return retval; - -+out_fail: -+#ifdef CONFIG_GRKERNSEC -+ current->acl = old_acl; -+ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim)); -+ fput(current->exec_file); -+ current->exec_file = old_exec_file; -+#endif -+ - out: - if (bprm->mm) { - acct_arg_size(bprm, 0); -@@ -1743,3 +1918,312 @@ COMPAT_SYSCALL_DEFINE5(execveat, int, fd, - argv, envp, flags); - } - #endif -+ -+int pax_check_flags(unsigned long *flags) -+{ -+ int retval = 0; -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC) -+ if (*flags & MF_PAX_SEGMEXEC) -+ { -+ *flags &= ~MF_PAX_SEGMEXEC; -+ retval = -EINVAL; -+ } -+#endif -+ -+ if ((*flags & MF_PAX_PAGEEXEC) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ && (*flags & MF_PAX_SEGMEXEC) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_PAGEEXEC; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_MPROTECT) -+ -+#ifdef CONFIG_PAX_MPROTECT -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_MPROTECT; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_EMUTRAMP) -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_EMUTRAMP; -+ retval = -EINVAL; -+ } -+ -+ return retval; -+} -+ -+EXPORT_SYMBOL(pax_check_flags); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+char *pax_get_path(const struct path *path, char *buf, int buflen) -+{ -+ char *pathname = d_path(path, buf, buflen); -+ -+ if (IS_ERR(pathname)) -+ goto toolong; -+ -+ pathname = mangle_path(buf, pathname, "\t\n\\"); -+ if (!pathname) -+ goto toolong; -+ -+ *pathname = 0; -+ return buf; -+ -+toolong: -+ return "<path too long>"; -+} -+EXPORT_SYMBOL(pax_get_path); -+ -+void pax_report_fault(struct pt_regs *regs, void *pc, void *sp) -+{ -+ struct task_struct *tsk = current; -+ struct mm_struct *mm = current->mm; -+ char *buffer_exec = (char *)__get_free_page(GFP_KERNEL); -+ char *buffer_fault = (char *)__get_free_page(GFP_KERNEL); -+ char *path_exec = NULL; -+ char *path_fault = NULL; -+ unsigned long start = 0UL, end = 0UL, offset = 0UL; -+ siginfo_t info = { }; -+ -+ if (buffer_exec && buffer_fault) { -+ struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL; -+ -+ down_read(&mm->mmap_sem); -+ vma = mm->mmap; -+ while (vma && (!vma_exec || !vma_fault)) { -+ if (vma->vm_file && mm->exe_file == vma->vm_file && (vma->vm_flags & VM_EXEC)) -+ vma_exec = vma; -+ if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end) -+ vma_fault = vma; -+ vma = vma->vm_next; -+ } -+ if (vma_exec) -+ path_exec = pax_get_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE); -+ if (vma_fault) { -+ start = vma_fault->vm_start; -+ end = vma_fault->vm_end; -+ offset = vma_fault->vm_pgoff << PAGE_SHIFT; -+ if (vma_fault->vm_file) -+ path_fault = pax_get_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE); -+ else if ((unsigned long)pc >= mm->start_brk && (unsigned long)pc < mm->brk) -+ path_fault = "<heap>"; -+ else if (vma_fault->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) -+ path_fault = "<stack>"; -+ else -+ path_fault = "<anonymous mapping>"; -+ } -+ up_read(&mm->mmap_sem); -+ } -+ if (tsk->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset); -+ else -+ printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset); -+ printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk), -+ from_kuid_munged(&init_user_ns, task_uid(tsk)), from_kuid_munged(&init_user_ns, task_euid(tsk)), pc, sp); -+ free_page((unsigned long)buffer_exec); -+ free_page((unsigned long)buffer_fault); -+ pax_report_insns(regs, pc, sp); -+ info.si_signo = SIGKILL; -+ info.si_errno = 0; -+ info.si_code = SI_KERNEL; -+ info.si_pid = 0; -+ info.si_uid = 0; -+ do_coredump(&info); -+} -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+void pax_report_refcount_overflow(struct pt_regs *regs) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", -+ &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ print_symbol(KERN_EMERG "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs)); -+ preempt_disable(); -+ show_regs(regs); -+ preempt_enable(); -+ force_sig_info(SIGKILL, SEND_SIG_FORCED, current); -+} -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */ -+static noinline int check_stack_object(const void *obj, unsigned long len) -+{ -+ const void * const stack = task_stack_page(current); -+ const void * const stackend = stack + THREAD_SIZE; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ const void *frame = NULL; -+ const void *oldframe; -+#endif -+ -+ if (obj + len < obj) -+ return -1; -+ -+ if (obj + len <= stack || stackend <= obj) -+ return 0; -+ -+ if (obj < stack || stackend < obj + len) -+ return -1; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ oldframe = __builtin_frame_address(1); -+ if (oldframe) -+ frame = __builtin_frame_address(2); -+ /* -+ low ----------------------------------------------> high -+ [saved bp][saved ip][args][local vars][saved bp][saved ip] -+ ^----------------^ -+ allow copies only within here -+ */ -+ while (stack <= frame && frame < stackend) { -+ /* if obj + len extends past the last frame, this -+ check won't pass and the next frame will be 0, -+ causing us to bail out and correctly report -+ the copy as invalid -+ */ -+ if (obj + len <= frame) -+ return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1; -+ oldframe = frame; -+ frame = *(const void * const *)frame; -+ } -+ return -1; -+#else -+ return 1; -+#endif -+} -+ -+static __noreturn void pax_report_usercopy(const void *ptr, unsigned long len, bool to_user, const char *type) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ &current->signal->curr_ip, to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len); -+ else -+ printk(KERN_EMERG "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len); -+ dump_stack(); -+ gr_handle_kernel_exploit(); -+ do_group_exit(SIGKILL); -+} -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+ -+static inline bool check_kernel_text_object(unsigned long low, unsigned long high) -+{ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ unsigned long textlow = ktla_ktva((unsigned long)_stext); -+#ifdef CONFIG_MODULES -+ unsigned long texthigh = (unsigned long)MODULES_EXEC_VADDR; -+#else -+ unsigned long texthigh = ktla_ktva((unsigned long)_etext); -+#endif -+ -+#else -+ unsigned long textlow = (unsigned long)_stext; -+ unsigned long texthigh = (unsigned long)_etext; -+ -+#ifdef CONFIG_X86_64 -+ /* check against linear mapping as well */ -+ if (high > (unsigned long)__va(__pa(textlow)) && -+ low < (unsigned long)__va(__pa(texthigh))) -+ return true; -+#endif -+ -+#endif -+ -+ if (high <= textlow || low >= texthigh) -+ return false; -+ else -+ return true; -+} -+#endif -+ -+void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size) -+{ -+#ifdef CONFIG_PAX_USERCOPY -+ const char *type; -+#endif -+ -+#if !defined(CONFIG_STACK_GROWSUP) && !defined(CONFIG_X86_64) -+ unsigned long stackstart = (unsigned long)task_stack_page(current); -+ unsigned long currentsp = (unsigned long)&stackstart; -+ if (unlikely((currentsp < stackstart + 512 || -+ currentsp >= stackstart + THREAD_SIZE) && !in_interrupt())) -+ BUG(); -+#endif -+ -+#ifndef CONFIG_PAX_USERCOPY_DEBUG -+ if (const_size) -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+ if (!n) -+ return; -+ -+ type = check_heap_object(ptr, n); -+ if (!type) { -+ int ret = check_stack_object(ptr, n); -+ if (ret == 1 || ret == 2) -+ return; -+ if (ret == 0) { -+ if (check_kernel_text_object((unsigned long)ptr, (unsigned long)ptr + n)) -+ type = "<kernel text>"; -+ else -+ return; -+ } else -+ type = "<process stack>"; -+ } -+ -+ pax_report_usercopy(ptr, n, to_user, type); -+#endif -+ -+} -+EXPORT_SYMBOL(__check_object_size); -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void __used pax_track_stack(void) -+{ -+ unsigned long sp = (unsigned long)&sp; -+ if (sp < current_thread_info()->lowest_stack && -+ sp >= (unsigned long)task_stack_page(current) + 2 * sizeof(unsigned long)) -+ current_thread_info()->lowest_stack = sp; -+ if (unlikely((sp & ~(THREAD_SIZE - 1)) < (THREAD_SIZE/16))) -+ BUG(); -+} -+EXPORT_SYMBOL(pax_track_stack); -+#endif -+ -+#ifdef CONFIG_PAX_SIZE_OVERFLOW -+void __nocapture(1, 3, 4) __used report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name) -+{ -+ printk(KERN_EMERG "PAX: size overflow detected in function %s %s:%u %s", func, file, line, ssa_name); -+ dump_stack(); -+ do_group_exit(SIGKILL); -+} -+EXPORT_SYMBOL(report_size_overflow); -+#endif -diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c -index 9f9992b..8b59411 100644 ---- a/fs/ext2/balloc.c -+++ b/fs/ext2/balloc.c -@@ -1184,10 +1184,10 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi) - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && - !uid_eq(sbi->s_resuid, current_fsuid()) && - (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) || -- !in_group_p (sbi->s_resgid))) { -+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) { - return 0; - } - return 1; -diff --git a/fs/ext2/super.c b/fs/ext2/super.c -index d0e746e..82e06f0 100644 ---- a/fs/ext2/super.c -+++ b/fs/ext2/super.c -@@ -267,10 +267,8 @@ static int ext2_show_options(struct seq_file *seq, struct dentry *root) - #ifdef CONFIG_EXT2_FS_XATTR - if (test_opt(sb, XATTR_USER)) - seq_puts(seq, ",user_xattr"); -- if (!test_opt(sb, XATTR_USER) && -- (def_mount_opts & EXT2_DEFM_XATTR_USER)) { -+ if (!test_opt(sb, XATTR_USER)) - seq_puts(seq, ",nouser_xattr"); -- } - #endif - - #ifdef CONFIG_EXT2_FS_POSIX_ACL -@@ -856,8 +854,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) - if (def_mount_opts & EXT2_DEFM_UID16) - set_opt(sbi->s_mount_opt, NO_UID32); - #ifdef CONFIG_EXT2_FS_XATTR -- if (def_mount_opts & EXT2_DEFM_XATTR_USER) -- set_opt(sbi->s_mount_opt, XATTR_USER); -+ /* always enable user xattrs */ -+ set_opt(sbi->s_mount_opt, XATTR_USER); - #endif - #ifdef CONFIG_EXT2_FS_POSIX_ACL - if (def_mount_opts & EXT2_DEFM_ACL) -diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c -index 0b6bfd3..93a2964 100644 ---- a/fs/ext2/xattr.c -+++ b/fs/ext2/xattr.c -@@ -247,7 +247,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size) - struct buffer_head *bh = NULL; - struct ext2_xattr_entry *entry; - char *end; -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - int error; - - ea_idebug(inode, "buffer=%p, buffer_size=%ld", -@@ -305,9 +305,10 @@ bad_block: ext2_error(inode->i_sb, "ext2_xattr_list", - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- error = buffer_size - rest; /* total size */ -+ error = total_size; - - cleanup: - brelse(bh); -diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c -index 158b5d4..2432610 100644 ---- a/fs/ext3/balloc.c -+++ b/fs/ext3/balloc.c -@@ -1438,10 +1438,10 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi, int use_reservation) - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && - !use_reservation && !uid_eq(sbi->s_resuid, current_fsuid()) && - (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) || -- !in_group_p (sbi->s_resgid))) { -+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) { - return 0; - } - return 1; -diff --git a/fs/ext3/super.c b/fs/ext3/super.c -index a9312f0..e3a11ec 100644 ---- a/fs/ext3/super.c -+++ b/fs/ext3/super.c -@@ -655,10 +655,8 @@ static int ext3_show_options(struct seq_file *seq, struct dentry *root) - #ifdef CONFIG_EXT3_FS_XATTR - if (test_opt(sb, XATTR_USER)) - seq_puts(seq, ",user_xattr"); -- if (!test_opt(sb, XATTR_USER) && -- (def_mount_opts & EXT3_DEFM_XATTR_USER)) { -+ if (!test_opt(sb, XATTR_USER)) - seq_puts(seq, ",nouser_xattr"); -- } - #endif - #ifdef CONFIG_EXT3_FS_POSIX_ACL - if (test_opt(sb, POSIX_ACL)) -@@ -1760,8 +1758,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) - if (def_mount_opts & EXT3_DEFM_UID16) - set_opt(sbi->s_mount_opt, NO_UID32); - #ifdef CONFIG_EXT3_FS_XATTR -- if (def_mount_opts & EXT3_DEFM_XATTR_USER) -- set_opt(sbi->s_mount_opt, XATTR_USER); -+ /* always enable user xattrs */ -+ set_opt(sbi->s_mount_opt, XATTR_USER); - #endif - #ifdef CONFIG_EXT3_FS_POSIX_ACL - if (def_mount_opts & EXT3_DEFM_ACL) -diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c -index 7cf3650..e3f4a51 100644 ---- a/fs/ext3/xattr.c -+++ b/fs/ext3/xattr.c -@@ -330,7 +330,7 @@ static int - ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry, - char *buffer, size_t buffer_size) - { -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - - for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) { - const struct xattr_handler *handler = -@@ -347,9 +347,10 @@ ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry, - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- return buffer_size - rest; -+ return total_size; - } - - static int -diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c -index 955bf49a..44ee359 100644 ---- a/fs/ext4/balloc.c -+++ b/fs/ext4/balloc.c -@@ -556,8 +556,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi, - /* Hm, nope. Are (enough) root reserved clusters available? */ - if (uid_eq(sbi->s_resuid, current_fsuid()) || - (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) || -- capable(CAP_SYS_RESOURCE) || -- (flags & EXT4_MB_USE_ROOT_BLOCKS)) { -+ (flags & EXT4_MB_USE_ROOT_BLOCKS) || -+ capable_nolog(CAP_SYS_RESOURCE)) { - - if (free_clusters >= (nclusters + dirty_clusters + - resv_clusters)) -diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h -index 9a83f14..1dd1b38 100644 ---- a/fs/ext4/ext4.h -+++ b/fs/ext4/ext4.h -@@ -1310,19 +1310,19 @@ struct ext4_sb_info { - unsigned long s_mb_last_start; - - /* stats for buddy allocator */ -- atomic_t s_bal_reqs; /* number of reqs with len > 1 */ -- atomic_t s_bal_success; /* we found long enough chunks */ -- atomic_t s_bal_allocated; /* in blocks */ -- atomic_t s_bal_ex_scanned; /* total extents scanned */ -- atomic_t s_bal_goals; /* goal hits */ -- atomic_t s_bal_breaks; /* too long searches */ -- atomic_t s_bal_2orders; /* 2^order hits */ -+ atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */ -+ atomic_unchecked_t s_bal_success; /* we found long enough chunks */ -+ atomic_unchecked_t s_bal_allocated; /* in blocks */ -+ atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */ -+ atomic_unchecked_t s_bal_goals; /* goal hits */ -+ atomic_unchecked_t s_bal_breaks; /* too long searches */ -+ atomic_unchecked_t s_bal_2orders; /* 2^order hits */ - spinlock_t s_bal_lock; - unsigned long s_mb_buddies_generated; - unsigned long long s_mb_generation_time; -- atomic_t s_mb_lost_chunks; -- atomic_t s_mb_preallocated; -- atomic_t s_mb_discarded; -+ atomic_unchecked_t s_mb_lost_chunks; -+ atomic_unchecked_t s_mb_preallocated; -+ atomic_unchecked_t s_mb_discarded; - atomic_t s_lock_busy; - - /* locality groups */ -diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c -index 4126048..3788867 100644 ---- a/fs/ext4/mballoc.c -+++ b/fs/ext4/mballoc.c -@@ -1901,7 +1901,7 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac, - BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len); - - if (EXT4_SB(sb)->s_mb_stats) -- atomic_inc(&EXT4_SB(sb)->s_bal_2orders); -+ atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders); - - break; - } -@@ -2211,7 +2211,7 @@ repeat: - ac->ac_status = AC_STATUS_CONTINUE; - ac->ac_flags |= EXT4_MB_HINT_FIRST; - cr = 3; -- atomic_inc(&sbi->s_mb_lost_chunks); -+ atomic_inc_unchecked(&sbi->s_mb_lost_chunks); - goto repeat; - } - } -@@ -2716,25 +2716,25 @@ int ext4_mb_release(struct super_block *sb) - if (sbi->s_mb_stats) { - ext4_msg(sb, KERN_INFO, - "mballoc: %u blocks %u reqs (%u success)", -- atomic_read(&sbi->s_bal_allocated), -- atomic_read(&sbi->s_bal_reqs), -- atomic_read(&sbi->s_bal_success)); -+ atomic_read_unchecked(&sbi->s_bal_allocated), -+ atomic_read_unchecked(&sbi->s_bal_reqs), -+ atomic_read_unchecked(&sbi->s_bal_success)); - ext4_msg(sb, KERN_INFO, - "mballoc: %u extents scanned, %u goal hits, " - "%u 2^N hits, %u breaks, %u lost", -- atomic_read(&sbi->s_bal_ex_scanned), -- atomic_read(&sbi->s_bal_goals), -- atomic_read(&sbi->s_bal_2orders), -- atomic_read(&sbi->s_bal_breaks), -- atomic_read(&sbi->s_mb_lost_chunks)); -+ atomic_read_unchecked(&sbi->s_bal_ex_scanned), -+ atomic_read_unchecked(&sbi->s_bal_goals), -+ atomic_read_unchecked(&sbi->s_bal_2orders), -+ atomic_read_unchecked(&sbi->s_bal_breaks), -+ atomic_read_unchecked(&sbi->s_mb_lost_chunks)); - ext4_msg(sb, KERN_INFO, - "mballoc: %lu generated and it took %Lu", - sbi->s_mb_buddies_generated, - sbi->s_mb_generation_time); - ext4_msg(sb, KERN_INFO, - "mballoc: %u preallocated, %u discarded", -- atomic_read(&sbi->s_mb_preallocated), -- atomic_read(&sbi->s_mb_discarded)); -+ atomic_read_unchecked(&sbi->s_mb_preallocated), -+ atomic_read_unchecked(&sbi->s_mb_discarded)); - } - - free_percpu(sbi->s_locality_groups); -@@ -3190,16 +3190,16 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac) - struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb); - - if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) { -- atomic_inc(&sbi->s_bal_reqs); -- atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); -+ atomic_inc_unchecked(&sbi->s_bal_reqs); -+ atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); - if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len) -- atomic_inc(&sbi->s_bal_success); -- atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned); -+ atomic_inc_unchecked(&sbi->s_bal_success); -+ atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned); - if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start && - ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group) -- atomic_inc(&sbi->s_bal_goals); -+ atomic_inc_unchecked(&sbi->s_bal_goals); - if (ac->ac_found > sbi->s_mb_max_to_scan) -- atomic_inc(&sbi->s_bal_breaks); -+ atomic_inc_unchecked(&sbi->s_bal_breaks); - } - - if (ac->ac_op == EXT4_MB_HISTORY_ALLOC) -@@ -3626,7 +3626,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) - trace_ext4_mb_new_inode_pa(ac, pa); - - ext4_mb_use_inode_pa(ac, pa); -- atomic_add(pa->pa_free, &sbi->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &sbi->s_mb_preallocated); - - ei = EXT4_I(ac->ac_inode); - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); -@@ -3686,7 +3686,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac) - trace_ext4_mb_new_group_pa(ac, pa); - - ext4_mb_use_group_pa(ac, pa); -- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); - - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); - lg = ac->ac_lg; -@@ -3775,7 +3775,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, - * from the bitmap and continue. - */ - } -- atomic_add(free, &sbi->s_mb_discarded); -+ atomic_add_unchecked(free, &sbi->s_mb_discarded); - - return err; - } -@@ -3793,7 +3793,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b, - ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit); - BUG_ON(group != e4b->bd_group && pa->pa_len != 0); - mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); -- atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); -+ atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); - trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len); - - return 0; -diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c -index 8313ca3..8a37d08 100644 ---- a/fs/ext4/mmp.c -+++ b/fs/ext4/mmp.c -@@ -111,7 +111,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh, - void __dump_mmp_msg(struct super_block *sb, struct mmp_struct *mmp, - const char *function, unsigned int line, const char *msg) - { -- __ext4_warning(sb, function, line, msg); -+ __ext4_warning(sb, function, line, "%s", msg); - __ext4_warning(sb, function, line, - "MMP failure info: last update time: %llu, last update " - "node: %s, last update device: %s\n", -diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c -index cf0c472..ddf284d 100644 ---- a/fs/ext4/resize.c -+++ b/fs/ext4/resize.c -@@ -413,7 +413,7 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - - ext4_debug("mark blocks [%llu/%u] used\n", block, count); - for (count2 = count; count > 0; count -= count2, block += count2) { -- ext4_fsblk_t start; -+ ext4_fsblk_t start, diff; - struct buffer_head *bh; - ext4_group_t group; - int err; -@@ -422,10 +422,6 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - start = ext4_group_first_block_no(sb, group); - group -= flex_gd->groups[0].group; - -- count2 = EXT4_BLOCKS_PER_GROUP(sb) - (block - start); -- if (count2 > count) -- count2 = count; -- - if (flex_gd->bg_flags[group] & EXT4_BG_BLOCK_UNINIT) { - BUG_ON(flex_gd->count > 1); - continue; -@@ -443,9 +439,15 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - err = ext4_journal_get_write_access(handle, bh); - if (err) - return err; -+ -+ diff = block - start; -+ count2 = EXT4_BLOCKS_PER_GROUP(sb) - diff; -+ if (count2 > count) -+ count2 = count; -+ - ext4_debug("mark block bitmap %#04llx (+%llu/%u)\n", block, -- block - start, count2); -- ext4_set_bits(bh->b_data, block - start, count2); -+ diff, count2); -+ ext4_set_bits(bh->b_data, diff, count2); - - err = ext4_handle_dirty_metadata(handle, NULL, bh); - if (unlikely(err)) -diff --git a/fs/ext4/super.c b/fs/ext4/super.c -index ca12affd..18b4b75 100644 ---- a/fs/ext4/super.c -+++ b/fs/ext4/super.c -@@ -1233,7 +1233,7 @@ static ext4_fsblk_t get_sb_block(void **data) - } - - #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3)) --static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n" -+static const char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n" - "Contact linux-ext4(a)vger.kernel.org if you think we should keep it.\n"; - - #ifdef CONFIG_QUOTA -@@ -2443,7 +2443,7 @@ struct ext4_attr { - int offset; - int deprecated_val; - } u; --}; -+} __do_const; - - static int parse_strtoull(const char *buf, - unsigned long long max, unsigned long long *value) -diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c -index 16e28c0..728c282 100644 ---- a/fs/ext4/xattr.c -+++ b/fs/ext4/xattr.c -@@ -398,7 +398,7 @@ static int - ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry, - char *buffer, size_t buffer_size) - { -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - - for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) { - const struct xattr_handler *handler = -@@ -415,9 +415,10 @@ ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry, - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- return buffer_size - rest; -+ return total_size; - } - - static int -diff --git a/fs/fcntl.c b/fs/fcntl.c -index ee85cd4..9dd0d20 100644 ---- a/fs/fcntl.c -+++ b/fs/fcntl.c -@@ -102,6 +102,10 @@ void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - int force) - { - security_file_set_fowner(filp); -+ if (gr_handle_chroot_fowner(pid, type)) -+ return; -+ if (gr_check_protected_task_fowner(pid, type)) -+ return; - f_modown(filp, pid, type, force); - } - EXPORT_SYMBOL(__f_setown); -diff --git a/fs/fhandle.c b/fs/fhandle.c -index d59712d..2281df9 100644 ---- a/fs/fhandle.c -+++ b/fs/fhandle.c -@@ -8,6 +8,7 @@ - #include <linux/fs_struct.h> - #include <linux/fsnotify.h> - #include <linux/personality.h> -+#include <linux/grsecurity.h> - #include <asm/uaccess.h> - #include "internal.h" - #include "mount.h" -@@ -67,8 +68,7 @@ static long do_sys_name_to_handle(struct path *path, - } else - retval = 0; - /* copy the mount id */ -- if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id, -- sizeof(*mnt_id)) || -+ if (put_user(real_mount(path->mnt)->mnt_id, mnt_id) || - copy_to_user(ufh, handle, - sizeof(struct file_handle) + handle_bytes)) - retval = -EFAULT; -@@ -175,7 +175,7 @@ static int handle_to_path(int mountdirfd, struct file_handle __user *ufh, - * the directory. Ideally we would like CAP_DAC_SEARCH. - * But we don't have that - */ -- if (!capable(CAP_DAC_READ_SEARCH)) { -+ if (!capable(CAP_DAC_READ_SEARCH) || !gr_chroot_fhandle()) { - retval = -EPERM; - goto out_err; - } -diff --git a/fs/file.c b/fs/file.c -index 93c5f89..ed75817 100644 ---- a/fs/file.c -+++ b/fs/file.c -@@ -16,6 +16,7 @@ - #include <linux/slab.h> - #include <linux/vmalloc.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/fdtable.h> - #include <linux/bitops.h> - #include <linux/interrupt.h> -@@ -139,7 +140,7 @@ out: - * Return <0 error code on error; 1 on successful completion. - * The files->file_lock should be held on entry, and will be held on exit. - */ --static int expand_fdtable(struct files_struct *files, int nr) -+static int expand_fdtable(struct files_struct *files, unsigned int nr) - __releases(files->file_lock) - __acquires(files->file_lock) - { -@@ -184,7 +185,7 @@ static int expand_fdtable(struct files_struct *files, int nr) - * expanded and execution may have blocked. - * The files->file_lock should be held on entry, and will be held on exit. - */ --static int expand_files(struct files_struct *files, int nr) -+static int expand_files(struct files_struct *files, unsigned int nr) - { - struct fdtable *fdt; - -@@ -799,6 +800,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) - if (!file) - return __close_fd(files, fd); - -+ gr_learn_resource(current, RLIMIT_NOFILE, fd, 0); - if (fd >= rlimit(RLIMIT_NOFILE)) - return -EBADF; - -@@ -825,6 +827,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) - if (unlikely(oldfd == newfd)) - return -EINVAL; - -+ gr_learn_resource(current, RLIMIT_NOFILE, newfd, 0); - if (newfd >= rlimit(RLIMIT_NOFILE)) - return -EBADF; - -@@ -880,6 +883,7 @@ SYSCALL_DEFINE1(dup, unsigned int, fildes) - int f_dupfd(unsigned int from, struct file *file, unsigned flags) - { - int err; -+ gr_learn_resource(current, RLIMIT_NOFILE, from, 0); - if (from >= rlimit(RLIMIT_NOFILE)) - return -EINVAL; - err = alloc_fd(from, flags); -diff --git a/fs/filesystems.c b/fs/filesystems.c -index 5797d45..7d7d79a 100644 ---- a/fs/filesystems.c -+++ b/fs/filesystems.c -@@ -275,7 +275,11 @@ struct file_system_type *get_fs_type(const char *name) - int len = dot ? dot - name : strlen(name); - - fs = __get_fs_type(name, len); -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!fs && (___request_module(true, "grsec_modharden_fs", "fs-%.*s", len, name) == 0)) -+#else - if (!fs && (request_module("fs-%.*s", len, name) == 0)) -+#endif - fs = __get_fs_type(name, len); - - if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { -diff --git a/fs/fs_struct.c b/fs/fs_struct.c -index 7dca743..1ff87ae 100644 ---- a/fs/fs_struct.c -+++ b/fs/fs_struct.c -@@ -4,6 +4,7 @@ - #include <linux/path.h> - #include <linux/slab.h> - #include <linux/fs_struct.h> -+#include <linux/grsecurity.h> - #include "internal.h" - - /* -@@ -15,14 +16,18 @@ void set_fs_root(struct fs_struct *fs, const struct path *path) - struct path old_root; - - path_get(path); -+ gr_inc_chroot_refcnts(path->dentry, path->mnt); - spin_lock(&fs->lock); - write_seqcount_begin(&fs->seq); - old_root = fs->root; - fs->root = *path; -+ gr_set_chroot_entries(current, path); - write_seqcount_end(&fs->seq); - spin_unlock(&fs->lock); -- if (old_root.dentry) -+ if (old_root.dentry) { -+ gr_dec_chroot_refcnts(old_root.dentry, old_root.mnt); - path_put(&old_root); -+ } - } - - /* -@@ -67,6 +72,10 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root) - int hits = 0; - spin_lock(&fs->lock); - write_seqcount_begin(&fs->seq); -+ /* this root replacement is only done by pivot_root, -+ leave grsec's chroot tagging alone for this task -+ so that a pivoted root isn't treated as a chroot -+ */ - hits += replace_path(&fs->root, old_root, new_root); - hits += replace_path(&fs->pwd, old_root, new_root); - write_seqcount_end(&fs->seq); -@@ -85,6 +94,7 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root) - - void free_fs_struct(struct fs_struct *fs) - { -+ gr_dec_chroot_refcnts(fs->root.dentry, fs->root.mnt); - path_put(&fs->root); - path_put(&fs->pwd); - kmem_cache_free(fs_cachep, fs); -@@ -99,7 +109,8 @@ void exit_fs(struct task_struct *tsk) - task_lock(tsk); - spin_lock(&fs->lock); - tsk->fs = NULL; -- kill = !--fs->users; -+ gr_clear_chroot_entries(tsk); -+ kill = !atomic_dec_return(&fs->users); - spin_unlock(&fs->lock); - task_unlock(tsk); - if (kill) -@@ -112,7 +123,7 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old) - struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL); - /* We don't need to lock fs - think why ;-) */ - if (fs) { -- fs->users = 1; -+ atomic_set(&fs->users, 1); - fs->in_exec = 0; - spin_lock_init(&fs->lock); - seqcount_init(&fs->seq); -@@ -121,9 +132,13 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old) - spin_lock(&old->lock); - fs->root = old->root; - path_get(&fs->root); -+ /* instead of calling gr_set_chroot_entries here, -+ we call it from every caller of this function -+ */ - fs->pwd = old->pwd; - path_get(&fs->pwd); - spin_unlock(&old->lock); -+ gr_inc_chroot_refcnts(fs->root.dentry, fs->root.mnt); - } - return fs; - } -@@ -139,8 +154,9 @@ int unshare_fs_struct(void) - - task_lock(current); - spin_lock(&fs->lock); -- kill = !--fs->users; -+ kill = !atomic_dec_return(&fs->users); - current->fs = new_fs; -+ gr_set_chroot_entries(current, &new_fs->root); - spin_unlock(&fs->lock); - task_unlock(current); - -@@ -153,13 +169,13 @@ EXPORT_SYMBOL_GPL(unshare_fs_struct); - - int current_umask(void) - { -- return current->fs->umask; -+ return current->fs->umask | gr_acl_umask(); - } - EXPORT_SYMBOL(current_umask); - - /* to be mentioned only in INIT_TASK */ - struct fs_struct init_fs = { -- .users = 1, -+ .users = ATOMIC_INIT(1), - .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock), - .seq = SEQCNT_ZERO(init_fs.seq), - .umask = 0022, -diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c -index 89acec7..a575262 100644 ---- a/fs/fscache/cookie.c -+++ b/fs/fscache/cookie.c -@@ -19,7 +19,7 @@ - - struct kmem_cache *fscache_cookie_jar; - --static atomic_t fscache_object_debug_id = ATOMIC_INIT(0); -+static atomic_unchecked_t fscache_object_debug_id = ATOMIC_INIT(0); - - static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie); - static int fscache_alloc_object(struct fscache_cache *cache, -@@ -69,11 +69,11 @@ struct fscache_cookie *__fscache_acquire_cookie( - parent ? (char *) parent->def->name : "<no-parent>", - def->name, netfs_data, enable); - -- fscache_stat(&fscache_n_acquires); -+ fscache_stat_unchecked(&fscache_n_acquires); - - /* if there's no parent cookie, then we don't create one here either */ - if (!parent) { -- fscache_stat(&fscache_n_acquires_null); -+ fscache_stat_unchecked(&fscache_n_acquires_null); - _leave(" [no parent]"); - return NULL; - } -@@ -88,7 +88,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - /* allocate and initialise a cookie */ - cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL); - if (!cookie) { -- fscache_stat(&fscache_n_acquires_oom); -+ fscache_stat_unchecked(&fscache_n_acquires_oom); - _leave(" [ENOMEM]"); - return NULL; - } -@@ -115,13 +115,13 @@ struct fscache_cookie *__fscache_acquire_cookie( - - switch (cookie->def->type) { - case FSCACHE_COOKIE_TYPE_INDEX: -- fscache_stat(&fscache_n_cookie_index); -+ fscache_stat_unchecked(&fscache_n_cookie_index); - break; - case FSCACHE_COOKIE_TYPE_DATAFILE: -- fscache_stat(&fscache_n_cookie_data); -+ fscache_stat_unchecked(&fscache_n_cookie_data); - break; - default: -- fscache_stat(&fscache_n_cookie_special); -+ fscache_stat_unchecked(&fscache_n_cookie_special); - break; - } - -@@ -135,7 +135,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - } else { - atomic_dec(&parent->n_children); - __fscache_cookie_put(cookie); -- fscache_stat(&fscache_n_acquires_nobufs); -+ fscache_stat_unchecked(&fscache_n_acquires_nobufs); - _leave(" = NULL"); - return NULL; - } -@@ -144,7 +144,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - } - } - -- fscache_stat(&fscache_n_acquires_ok); -+ fscache_stat_unchecked(&fscache_n_acquires_ok); - _leave(" = %p", cookie); - return cookie; - } -@@ -213,7 +213,7 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie) - cache = fscache_select_cache_for_object(cookie->parent); - if (!cache) { - up_read(&fscache_addremove_sem); -- fscache_stat(&fscache_n_acquires_no_cache); -+ fscache_stat_unchecked(&fscache_n_acquires_no_cache); - _leave(" = -ENOMEDIUM [no cache]"); - return -ENOMEDIUM; - } -@@ -297,14 +297,14 @@ static int fscache_alloc_object(struct fscache_cache *cache, - object = cache->ops->alloc_object(cache, cookie); - fscache_stat_d(&fscache_n_cop_alloc_object); - if (IS_ERR(object)) { -- fscache_stat(&fscache_n_object_no_alloc); -+ fscache_stat_unchecked(&fscache_n_object_no_alloc); - ret = PTR_ERR(object); - goto error; - } - -- fscache_stat(&fscache_n_object_alloc); -+ fscache_stat_unchecked(&fscache_n_object_alloc); - -- object->debug_id = atomic_inc_return(&fscache_object_debug_id); -+ object->debug_id = atomic_inc_return_unchecked(&fscache_object_debug_id); - - _debug("ALLOC OBJ%x: %s {%lx}", - object->debug_id, cookie->def->name, object->events); -@@ -418,7 +418,7 @@ void __fscache_invalidate(struct fscache_cookie *cookie) - - _enter("{%s}", cookie->def->name); - -- fscache_stat(&fscache_n_invalidates); -+ fscache_stat_unchecked(&fscache_n_invalidates); - - /* Only permit invalidation of data files. Invalidating an index will - * require the caller to release all its attachments to the tree rooted -@@ -476,10 +476,10 @@ void __fscache_update_cookie(struct fscache_cookie *cookie) - { - struct fscache_object *object; - -- fscache_stat(&fscache_n_updates); -+ fscache_stat_unchecked(&fscache_n_updates); - - if (!cookie) { -- fscache_stat(&fscache_n_updates_null); -+ fscache_stat_unchecked(&fscache_n_updates_null); - _leave(" [no cookie]"); - return; - } -@@ -580,12 +580,12 @@ EXPORT_SYMBOL(__fscache_disable_cookie); - */ - void __fscache_relinquish_cookie(struct fscache_cookie *cookie, bool retire) - { -- fscache_stat(&fscache_n_relinquishes); -+ fscache_stat_unchecked(&fscache_n_relinquishes); - if (retire) -- fscache_stat(&fscache_n_relinquishes_retire); -+ fscache_stat_unchecked(&fscache_n_relinquishes_retire); - - if (!cookie) { -- fscache_stat(&fscache_n_relinquishes_null); -+ fscache_stat_unchecked(&fscache_n_relinquishes_null); - _leave(" [no cookie]"); - return; - } -@@ -686,7 +686,7 @@ int __fscache_check_consistency(struct fscache_cookie *cookie) - if (test_bit(FSCACHE_IOERROR, &object->cache->flags)) - goto inconsistent; - -- op->debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - - __fscache_use_cookie(cookie); - if (fscache_submit_op(object, op) < 0) -diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h -index 7872a62..d91b19f 100644 ---- a/fs/fscache/internal.h -+++ b/fs/fscache/internal.h -@@ -137,8 +137,8 @@ extern void fscache_operation_gc(struct work_struct *); - extern int fscache_wait_for_deferred_lookup(struct fscache_cookie *); - extern int fscache_wait_for_operation_activation(struct fscache_object *, - struct fscache_operation *, -- atomic_t *, -- atomic_t *, -+ atomic_unchecked_t *, -+ atomic_unchecked_t *, - void (*)(struct fscache_operation *)); - extern void fscache_invalidate_writes(struct fscache_cookie *); - -@@ -157,101 +157,101 @@ extern void fscache_proc_cleanup(void); - * stats.c - */ - #ifdef CONFIG_FSCACHE_STATS --extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS]; --extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS]; -+extern atomic_unchecked_t fscache_n_ops_processed[FSCACHE_MAX_THREADS]; -+extern atomic_unchecked_t fscache_n_objs_processed[FSCACHE_MAX_THREADS]; - --extern atomic_t fscache_n_op_pend; --extern atomic_t fscache_n_op_run; --extern atomic_t fscache_n_op_enqueue; --extern atomic_t fscache_n_op_deferred_release; --extern atomic_t fscache_n_op_release; --extern atomic_t fscache_n_op_gc; --extern atomic_t fscache_n_op_cancelled; --extern atomic_t fscache_n_op_rejected; -+extern atomic_unchecked_t fscache_n_op_pend; -+extern atomic_unchecked_t fscache_n_op_run; -+extern atomic_unchecked_t fscache_n_op_enqueue; -+extern atomic_unchecked_t fscache_n_op_deferred_release; -+extern atomic_unchecked_t fscache_n_op_release; -+extern atomic_unchecked_t fscache_n_op_gc; -+extern atomic_unchecked_t fscache_n_op_cancelled; -+extern atomic_unchecked_t fscache_n_op_rejected; - --extern atomic_t fscache_n_attr_changed; --extern atomic_t fscache_n_attr_changed_ok; --extern atomic_t fscache_n_attr_changed_nobufs; --extern atomic_t fscache_n_attr_changed_nomem; --extern atomic_t fscache_n_attr_changed_calls; -+extern atomic_unchecked_t fscache_n_attr_changed; -+extern atomic_unchecked_t fscache_n_attr_changed_ok; -+extern atomic_unchecked_t fscache_n_attr_changed_nobufs; -+extern atomic_unchecked_t fscache_n_attr_changed_nomem; -+extern atomic_unchecked_t fscache_n_attr_changed_calls; - --extern atomic_t fscache_n_allocs; --extern atomic_t fscache_n_allocs_ok; --extern atomic_t fscache_n_allocs_wait; --extern atomic_t fscache_n_allocs_nobufs; --extern atomic_t fscache_n_allocs_intr; --extern atomic_t fscache_n_allocs_object_dead; --extern atomic_t fscache_n_alloc_ops; --extern atomic_t fscache_n_alloc_op_waits; -+extern atomic_unchecked_t fscache_n_allocs; -+extern atomic_unchecked_t fscache_n_allocs_ok; -+extern atomic_unchecked_t fscache_n_allocs_wait; -+extern atomic_unchecked_t fscache_n_allocs_nobufs; -+extern atomic_unchecked_t fscache_n_allocs_intr; -+extern atomic_unchecked_t fscache_n_allocs_object_dead; -+extern atomic_unchecked_t fscache_n_alloc_ops; -+extern atomic_unchecked_t fscache_n_alloc_op_waits; - --extern atomic_t fscache_n_retrievals; --extern atomic_t fscache_n_retrievals_ok; --extern atomic_t fscache_n_retrievals_wait; --extern atomic_t fscache_n_retrievals_nodata; --extern atomic_t fscache_n_retrievals_nobufs; --extern atomic_t fscache_n_retrievals_intr; --extern atomic_t fscache_n_retrievals_nomem; --extern atomic_t fscache_n_retrievals_object_dead; --extern atomic_t fscache_n_retrieval_ops; --extern atomic_t fscache_n_retrieval_op_waits; -+extern atomic_unchecked_t fscache_n_retrievals; -+extern atomic_unchecked_t fscache_n_retrievals_ok; -+extern atomic_unchecked_t fscache_n_retrievals_wait; -+extern atomic_unchecked_t fscache_n_retrievals_nodata; -+extern atomic_unchecked_t fscache_n_retrievals_nobufs; -+extern atomic_unchecked_t fscache_n_retrievals_intr; -+extern atomic_unchecked_t fscache_n_retrievals_nomem; -+extern atomic_unchecked_t fscache_n_retrievals_object_dead; -+extern atomic_unchecked_t fscache_n_retrieval_ops; -+extern atomic_unchecked_t fscache_n_retrieval_op_waits; - --extern atomic_t fscache_n_stores; --extern atomic_t fscache_n_stores_ok; --extern atomic_t fscache_n_stores_again; --extern atomic_t fscache_n_stores_nobufs; --extern atomic_t fscache_n_stores_oom; --extern atomic_t fscache_n_store_ops; --extern atomic_t fscache_n_store_calls; --extern atomic_t fscache_n_store_pages; --extern atomic_t fscache_n_store_radix_deletes; --extern atomic_t fscache_n_store_pages_over_limit; -+extern atomic_unchecked_t fscache_n_stores; -+extern atomic_unchecked_t fscache_n_stores_ok; -+extern atomic_unchecked_t fscache_n_stores_again; -+extern atomic_unchecked_t fscache_n_stores_nobufs; -+extern atomic_unchecked_t fscache_n_stores_oom; -+extern atomic_unchecked_t fscache_n_store_ops; -+extern atomic_unchecked_t fscache_n_store_calls; -+extern atomic_unchecked_t fscache_n_store_pages; -+extern atomic_unchecked_t fscache_n_store_radix_deletes; -+extern atomic_unchecked_t fscache_n_store_pages_over_limit; - --extern atomic_t fscache_n_store_vmscan_not_storing; --extern atomic_t fscache_n_store_vmscan_gone; --extern atomic_t fscache_n_store_vmscan_busy; --extern atomic_t fscache_n_store_vmscan_cancelled; --extern atomic_t fscache_n_store_vmscan_wait; -+extern atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+extern atomic_unchecked_t fscache_n_store_vmscan_gone; -+extern atomic_unchecked_t fscache_n_store_vmscan_busy; -+extern atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+extern atomic_unchecked_t fscache_n_store_vmscan_wait; - --extern atomic_t fscache_n_marks; --extern atomic_t fscache_n_uncaches; -+extern atomic_unchecked_t fscache_n_marks; -+extern atomic_unchecked_t fscache_n_uncaches; - --extern atomic_t fscache_n_acquires; --extern atomic_t fscache_n_acquires_null; --extern atomic_t fscache_n_acquires_no_cache; --extern atomic_t fscache_n_acquires_ok; --extern atomic_t fscache_n_acquires_nobufs; --extern atomic_t fscache_n_acquires_oom; -+extern atomic_unchecked_t fscache_n_acquires; -+extern atomic_unchecked_t fscache_n_acquires_null; -+extern atomic_unchecked_t fscache_n_acquires_no_cache; -+extern atomic_unchecked_t fscache_n_acquires_ok; -+extern atomic_unchecked_t fscache_n_acquires_nobufs; -+extern atomic_unchecked_t fscache_n_acquires_oom; - --extern atomic_t fscache_n_invalidates; --extern atomic_t fscache_n_invalidates_run; -+extern atomic_unchecked_t fscache_n_invalidates; -+extern atomic_unchecked_t fscache_n_invalidates_run; - --extern atomic_t fscache_n_updates; --extern atomic_t fscache_n_updates_null; --extern atomic_t fscache_n_updates_run; -+extern atomic_unchecked_t fscache_n_updates; -+extern atomic_unchecked_t fscache_n_updates_null; -+extern atomic_unchecked_t fscache_n_updates_run; - --extern atomic_t fscache_n_relinquishes; --extern atomic_t fscache_n_relinquishes_null; --extern atomic_t fscache_n_relinquishes_waitcrt; --extern atomic_t fscache_n_relinquishes_retire; -+extern atomic_unchecked_t fscache_n_relinquishes; -+extern atomic_unchecked_t fscache_n_relinquishes_null; -+extern atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+extern atomic_unchecked_t fscache_n_relinquishes_retire; - --extern atomic_t fscache_n_cookie_index; --extern atomic_t fscache_n_cookie_data; --extern atomic_t fscache_n_cookie_special; -+extern atomic_unchecked_t fscache_n_cookie_index; -+extern atomic_unchecked_t fscache_n_cookie_data; -+extern atomic_unchecked_t fscache_n_cookie_special; - --extern atomic_t fscache_n_object_alloc; --extern atomic_t fscache_n_object_no_alloc; --extern atomic_t fscache_n_object_lookups; --extern atomic_t fscache_n_object_lookups_negative; --extern atomic_t fscache_n_object_lookups_positive; --extern atomic_t fscache_n_object_lookups_timed_out; --extern atomic_t fscache_n_object_created; --extern atomic_t fscache_n_object_avail; --extern atomic_t fscache_n_object_dead; -+extern atomic_unchecked_t fscache_n_object_alloc; -+extern atomic_unchecked_t fscache_n_object_no_alloc; -+extern atomic_unchecked_t fscache_n_object_lookups; -+extern atomic_unchecked_t fscache_n_object_lookups_negative; -+extern atomic_unchecked_t fscache_n_object_lookups_positive; -+extern atomic_unchecked_t fscache_n_object_lookups_timed_out; -+extern atomic_unchecked_t fscache_n_object_created; -+extern atomic_unchecked_t fscache_n_object_avail; -+extern atomic_unchecked_t fscache_n_object_dead; - --extern atomic_t fscache_n_checkaux_none; --extern atomic_t fscache_n_checkaux_okay; --extern atomic_t fscache_n_checkaux_update; --extern atomic_t fscache_n_checkaux_obsolete; -+extern atomic_unchecked_t fscache_n_checkaux_none; -+extern atomic_unchecked_t fscache_n_checkaux_okay; -+extern atomic_unchecked_t fscache_n_checkaux_update; -+extern atomic_unchecked_t fscache_n_checkaux_obsolete; - - extern atomic_t fscache_n_cop_alloc_object; - extern atomic_t fscache_n_cop_lookup_object; -@@ -276,6 +276,11 @@ static inline void fscache_stat(atomic_t *stat) - atomic_inc(stat); - } - -+static inline void fscache_stat_unchecked(atomic_unchecked_t *stat) -+{ -+ atomic_inc_unchecked(stat); -+} -+ - static inline void fscache_stat_d(atomic_t *stat) - { - atomic_dec(stat); -@@ -288,6 +293,7 @@ extern const struct file_operations fscache_stats_fops; - - #define __fscache_stat(stat) (NULL) - #define fscache_stat(stat) do {} while (0) -+#define fscache_stat_unchecked(stat) do {} while (0) - #define fscache_stat_d(stat) do {} while (0) - #endif - -diff --git a/fs/fscache/object.c b/fs/fscache/object.c -index da032da..0076ce7 100644 ---- a/fs/fscache/object.c -+++ b/fs/fscache/object.c -@@ -454,7 +454,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object - _debug("LOOKUP \"%s\" in \"%s\"", - cookie->def->name, object->cache->tag->name); - -- fscache_stat(&fscache_n_object_lookups); -+ fscache_stat_unchecked(&fscache_n_object_lookups); - fscache_stat(&fscache_n_cop_lookup_object); - ret = object->cache->ops->lookup_object(object); - fscache_stat_d(&fscache_n_cop_lookup_object); -@@ -464,7 +464,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object - if (ret == -ETIMEDOUT) { - /* probably stuck behind another object, so move this one to - * the back of the queue */ -- fscache_stat(&fscache_n_object_lookups_timed_out); -+ fscache_stat_unchecked(&fscache_n_object_lookups_timed_out); - _leave(" [timeout]"); - return NO_TRANSIT; - } -@@ -492,7 +492,7 @@ void fscache_object_lookup_negative(struct fscache_object *object) - _enter("{OBJ%x,%s}", object->debug_id, object->state->name); - - if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) { -- fscache_stat(&fscache_n_object_lookups_negative); -+ fscache_stat_unchecked(&fscache_n_object_lookups_negative); - - /* Allow write requests to begin stacking up and read requests to begin - * returning ENODATA. -@@ -527,7 +527,7 @@ void fscache_obtained_object(struct fscache_object *object) - /* if we were still looking up, then we must have a positive lookup - * result, in which case there may be data available */ - if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) { -- fscache_stat(&fscache_n_object_lookups_positive); -+ fscache_stat_unchecked(&fscache_n_object_lookups_positive); - - /* We do (presumably) have data */ - clear_bit_unlock(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags); -@@ -539,7 +539,7 @@ void fscache_obtained_object(struct fscache_object *object) - clear_bit_unlock(FSCACHE_COOKIE_LOOKING_UP, &cookie->flags); - wake_up_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP); - } else { -- fscache_stat(&fscache_n_object_created); -+ fscache_stat_unchecked(&fscache_n_object_created); - } - - set_bit(FSCACHE_OBJECT_IS_AVAILABLE, &object->flags); -@@ -575,7 +575,7 @@ static const struct fscache_state *fscache_object_available(struct fscache_objec - fscache_stat_d(&fscache_n_cop_lookup_complete); - - fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif); -- fscache_stat(&fscache_n_object_avail); -+ fscache_stat_unchecked(&fscache_n_object_avail); - - _leave(""); - return transit_to(JUMPSTART_DEPS); -@@ -722,7 +722,7 @@ static const struct fscache_state *fscache_drop_object(struct fscache_object *ob - - /* this just shifts the object release to the work processor */ - fscache_put_object(object); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - - _leave(""); - return transit_to(OBJECT_DEAD); -@@ -887,7 +887,7 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object, - enum fscache_checkaux result; - - if (!object->cookie->def->check_aux) { -- fscache_stat(&fscache_n_checkaux_none); -+ fscache_stat_unchecked(&fscache_n_checkaux_none); - return FSCACHE_CHECKAUX_OKAY; - } - -@@ -896,17 +896,17 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object, - switch (result) { - /* entry okay as is */ - case FSCACHE_CHECKAUX_OKAY: -- fscache_stat(&fscache_n_checkaux_okay); -+ fscache_stat_unchecked(&fscache_n_checkaux_okay); - break; - - /* entry requires update */ - case FSCACHE_CHECKAUX_NEEDS_UPDATE: -- fscache_stat(&fscache_n_checkaux_update); -+ fscache_stat_unchecked(&fscache_n_checkaux_update); - break; - - /* entry requires deletion */ - case FSCACHE_CHECKAUX_OBSOLETE: -- fscache_stat(&fscache_n_checkaux_obsolete); -+ fscache_stat_unchecked(&fscache_n_checkaux_obsolete); - break; - - default: -@@ -993,7 +993,7 @@ static const struct fscache_state *fscache_invalidate_object(struct fscache_obje - { - const struct fscache_state *s; - -- fscache_stat(&fscache_n_invalidates_run); -+ fscache_stat_unchecked(&fscache_n_invalidates_run); - fscache_stat(&fscache_n_cop_invalidate_object); - s = _fscache_invalidate_object(object, event); - fscache_stat_d(&fscache_n_cop_invalidate_object); -@@ -1008,7 +1008,7 @@ static const struct fscache_state *fscache_update_object(struct fscache_object * - { - _enter("{OBJ%x},%d", object->debug_id, event); - -- fscache_stat(&fscache_n_updates_run); -+ fscache_stat_unchecked(&fscache_n_updates_run); - fscache_stat(&fscache_n_cop_update_object); - object->cache->ops->update_object(object); - fscache_stat_d(&fscache_n_cop_update_object); -diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c -index e7b87a0..a85d47a 100644 ---- a/fs/fscache/operation.c -+++ b/fs/fscache/operation.c -@@ -17,7 +17,7 @@ - #include <linux/slab.h> - #include "internal.h" - --atomic_t fscache_op_debug_id; -+atomic_unchecked_t fscache_op_debug_id; - EXPORT_SYMBOL(fscache_op_debug_id); - - /** -@@ -39,7 +39,7 @@ void fscache_enqueue_operation(struct fscache_operation *op) - ASSERTCMP(atomic_read(&op->usage), >, 0); - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_IN_PROGRESS); - -- fscache_stat(&fscache_n_op_enqueue); -+ fscache_stat_unchecked(&fscache_n_op_enqueue); - switch (op->flags & FSCACHE_OP_TYPE) { - case FSCACHE_OP_ASYNC: - _debug("queue async"); -@@ -72,7 +72,7 @@ static void fscache_run_op(struct fscache_object *object, - wake_up_bit(&op->flags, FSCACHE_OP_WAITING); - if (op->processor) - fscache_enqueue_operation(op); -- fscache_stat(&fscache_n_op_run); -+ fscache_stat_unchecked(&fscache_n_op_run); - } - - /* -@@ -104,11 +104,11 @@ int fscache_submit_exclusive_op(struct fscache_object *object, - if (object->n_in_progress > 0) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_in_progress, ==, 0); -@@ -124,7 +124,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object, - object->n_exclusive++; /* reads and writes must wait */ - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else { - /* If we're in any other state, there must have been an I/O -@@ -211,11 +211,11 @@ int fscache_submit_op(struct fscache_object *object, - if (object->n_exclusive > 0) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_exclusive, ==, 0); -@@ -227,10 +227,10 @@ int fscache_submit_op(struct fscache_object *object, - object->n_ops++; - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else if (fscache_object_is_dying(object)) { -- fscache_stat(&fscache_n_op_rejected); -+ fscache_stat_unchecked(&fscache_n_op_rejected); - op->state = FSCACHE_OP_ST_CANCELLED; - ret = -ENOBUFS; - } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) { -@@ -309,7 +309,7 @@ int fscache_cancel_op(struct fscache_operation *op, - ret = -EBUSY; - if (op->state == FSCACHE_OP_ST_PENDING) { - ASSERT(!list_empty(&op->pend_link)); -- fscache_stat(&fscache_n_op_cancelled); -+ fscache_stat_unchecked(&fscache_n_op_cancelled); - list_del_init(&op->pend_link); - if (do_cancel) - do_cancel(op); -@@ -341,7 +341,7 @@ void fscache_cancel_all_ops(struct fscache_object *object) - while (!list_empty(&object->pending_ops)) { - op = list_entry(object->pending_ops.next, - struct fscache_operation, pend_link); -- fscache_stat(&fscache_n_op_cancelled); -+ fscache_stat_unchecked(&fscache_n_op_cancelled); - list_del_init(&op->pend_link); - - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_PENDING); -@@ -413,7 +413,7 @@ void fscache_put_operation(struct fscache_operation *op) - op->state, ==, FSCACHE_OP_ST_CANCELLED); - op->state = FSCACHE_OP_ST_DEAD; - -- fscache_stat(&fscache_n_op_release); -+ fscache_stat_unchecked(&fscache_n_op_release); - - if (op->release) { - op->release(op); -@@ -432,7 +432,7 @@ void fscache_put_operation(struct fscache_operation *op) - * lock, and defer it otherwise */ - if (!spin_trylock(&object->lock)) { - _debug("defer put"); -- fscache_stat(&fscache_n_op_deferred_release); -+ fscache_stat_unchecked(&fscache_n_op_deferred_release); - - cache = object->cache; - spin_lock(&cache->op_gc_list_lock); -@@ -485,7 +485,7 @@ void fscache_operation_gc(struct work_struct *work) - - _debug("GC DEFERRED REL OBJ%x OP%x", - object->debug_id, op->debug_id); -- fscache_stat(&fscache_n_op_gc); -+ fscache_stat_unchecked(&fscache_n_op_gc); - - ASSERTCMP(atomic_read(&op->usage), ==, 0); - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_DEAD); -diff --git a/fs/fscache/page.c b/fs/fscache/page.c -index de33b3f..8be4d29 100644 ---- a/fs/fscache/page.c -+++ b/fs/fscache/page.c -@@ -74,7 +74,7 @@ try_again: - val = radix_tree_lookup(&cookie->stores, page->index); - if (!val) { - rcu_read_unlock(); -- fscache_stat(&fscache_n_store_vmscan_not_storing); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing); - __fscache_uncache_page(cookie, page); - return true; - } -@@ -104,11 +104,11 @@ try_again: - spin_unlock(&cookie->stores_lock); - - if (xpage) { -- fscache_stat(&fscache_n_store_vmscan_cancelled); -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - ASSERTCMP(xpage, ==, page); - } else { -- fscache_stat(&fscache_n_store_vmscan_gone); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_gone); - } - - wake_up_bit(&cookie->flags, 0); -@@ -123,11 +123,11 @@ page_busy: - * sleeping on memory allocation, so we may need to impose a timeout - * too. */ - if (!(gfp & __GFP_WAIT) || !(gfp & __GFP_FS)) { -- fscache_stat(&fscache_n_store_vmscan_busy); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_busy); - return false; - } - -- fscache_stat(&fscache_n_store_vmscan_wait); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_wait); - if (!release_page_wait_timeout(cookie, page)) - _debug("fscache writeout timeout page: %p{%lx}", - page, page->index); -@@ -156,7 +156,7 @@ static void fscache_end_page_write(struct fscache_object *object, - FSCACHE_COOKIE_STORING_TAG); - if (!radix_tree_tag_get(&cookie->stores, page->index, - FSCACHE_COOKIE_PENDING_TAG)) { -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - xpage = radix_tree_delete(&cookie->stores, page->index); - } - spin_unlock(&cookie->stores_lock); -@@ -177,7 +177,7 @@ static void fscache_attr_changed_op(struct fscache_operation *op) - - _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id); - -- fscache_stat(&fscache_n_attr_changed_calls); -+ fscache_stat_unchecked(&fscache_n_attr_changed_calls); - - if (fscache_object_is_active(object)) { - fscache_stat(&fscache_n_cop_attr_changed); -@@ -204,11 +204,11 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - -- fscache_stat(&fscache_n_attr_changed); -+ fscache_stat_unchecked(&fscache_n_attr_changed); - - op = kzalloc(sizeof(*op), GFP_KERNEL); - if (!op) { -- fscache_stat(&fscache_n_attr_changed_nomem); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nomem); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -230,7 +230,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - if (fscache_submit_exclusive_op(object, op) < 0) - goto nobufs_dec; - spin_unlock(&cookie->lock); -- fscache_stat(&fscache_n_attr_changed_ok); -+ fscache_stat_unchecked(&fscache_n_attr_changed_ok); - fscache_put_operation(op); - _leave(" = 0"); - return 0; -@@ -242,7 +242,7 @@ nobufs: - kfree(op); - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); -- fscache_stat(&fscache_n_attr_changed_nobufs); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs); - _leave(" = %d", -ENOBUFS); - return -ENOBUFS; - } -@@ -281,7 +281,7 @@ static struct fscache_retrieval *fscache_alloc_retrieval( - /* allocate a retrieval operation and attempt to submit it */ - op = kzalloc(sizeof(*op), GFP_NOIO); - if (!op) { -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - return NULL; - } - -@@ -311,12 +311,12 @@ int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie) - return 0; - } - -- fscache_stat(&fscache_n_retrievals_wait); -+ fscache_stat_unchecked(&fscache_n_retrievals_wait); - - jif = jiffies; - if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP, - TASK_INTERRUPTIBLE) != 0) { -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - _leave(" = -ERESTARTSYS"); - return -ERESTARTSYS; - } -@@ -345,8 +345,8 @@ static void fscache_do_cancel_retrieval(struct fscache_operation *_op) - */ - int fscache_wait_for_operation_activation(struct fscache_object *object, - struct fscache_operation *op, -- atomic_t *stat_op_waits, -- atomic_t *stat_object_dead, -+ atomic_unchecked_t *stat_op_waits, -+ atomic_unchecked_t *stat_object_dead, - void (*do_cancel)(struct fscache_operation *)) - { - int ret; -@@ -356,7 +356,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object, - - _debug(">>> WT"); - if (stat_op_waits) -- fscache_stat(stat_op_waits); -+ fscache_stat_unchecked(stat_op_waits); - if (wait_on_bit(&op->flags, FSCACHE_OP_WAITING, - TASK_INTERRUPTIBLE) != 0) { - ret = fscache_cancel_op(op, do_cancel); -@@ -373,7 +373,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object, - check_if_dead: - if (op->state == FSCACHE_OP_ST_CANCELLED) { - if (stat_object_dead) -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - _leave(" = -ENOBUFS [cancelled]"); - return -ENOBUFS; - } -@@ -381,7 +381,7 @@ check_if_dead: - pr_err("%s() = -ENOBUFS [obj dead %d]\n", __func__, op->state); - fscache_cancel_op(op, do_cancel); - if (stat_object_dead) -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - return -ENOBUFS; - } - return 0; -@@ -409,7 +409,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -451,7 +451,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -482,15 +482,15 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -505,7 +505,7 @@ nobufs_unlock: - __fscache_wake_unused_cookie(cookie); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -544,7 +544,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - - _enter("%p,,%d,,,", cookie, *nr_pages); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -582,7 +582,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -613,15 +613,15 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -636,7 +636,7 @@ nobufs_unlock: - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -661,7 +661,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_allocs); -+ fscache_stat_unchecked(&fscache_n_allocs); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -695,7 +695,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_alloc_ops); -+ fscache_stat_unchecked(&fscache_n_alloc_ops); - - ret = fscache_wait_for_operation_activation( - object, &op->op, -@@ -712,11 +712,11 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - - error: - if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_allocs_intr); -+ fscache_stat_unchecked(&fscache_n_allocs_intr); - else if (ret < 0) -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - else -- fscache_stat(&fscache_n_allocs_ok); -+ fscache_stat_unchecked(&fscache_n_allocs_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -730,7 +730,7 @@ nobufs_unlock: - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); - nobufs: -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -806,7 +806,7 @@ static void fscache_write_op(struct fscache_operation *_op) - - spin_lock(&cookie->stores_lock); - -- fscache_stat(&fscache_n_store_calls); -+ fscache_stat_unchecked(&fscache_n_store_calls); - - /* find a page to store */ - page = NULL; -@@ -817,7 +817,7 @@ static void fscache_write_op(struct fscache_operation *_op) - page = results[0]; - _debug("gang %d [%lx]", n, page->index); - if (page->index > op->store_limit) { -- fscache_stat(&fscache_n_store_pages_over_limit); -+ fscache_stat_unchecked(&fscache_n_store_pages_over_limit); - goto superseded; - } - -@@ -829,7 +829,7 @@ static void fscache_write_op(struct fscache_operation *_op) - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - -- fscache_stat(&fscache_n_store_pages); -+ fscache_stat_unchecked(&fscache_n_store_pages); - fscache_stat(&fscache_n_cop_write_page); - ret = object->cache->ops->write_page(op, page); - fscache_stat_d(&fscache_n_cop_write_page); -@@ -933,7 +933,7 @@ int __fscache_write_page(struct fscache_cookie *cookie, - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERT(PageFsCache(page)); - -- fscache_stat(&fscache_n_stores); -+ fscache_stat_unchecked(&fscache_n_stores); - - if (test_bit(FSCACHE_COOKIE_INVALIDATING, &cookie->flags)) { - _leave(" = -ENOBUFS [invalidating]"); -@@ -992,7 +992,7 @@ int __fscache_write_page(struct fscache_cookie *cookie, - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - -- op->op.debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->store_limit = object->store_limit; - - __fscache_use_cookie(cookie); -@@ -1001,8 +1001,8 @@ int __fscache_write_page(struct fscache_cookie *cookie, - - spin_unlock(&cookie->lock); - radix_tree_preload_end(); -- fscache_stat(&fscache_n_store_ops); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_store_ops); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - - /* the work queue now carries its own ref on the object */ - fscache_put_operation(&op->op); -@@ -1010,14 +1010,14 @@ int __fscache_write_page(struct fscache_cookie *cookie, - return 0; - - already_queued: -- fscache_stat(&fscache_n_stores_again); -+ fscache_stat_unchecked(&fscache_n_stores_again); - already_pending: - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - spin_unlock(&cookie->lock); - radix_tree_preload_end(); - kfree(op); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - _leave(" = 0"); - return 0; - -@@ -1039,14 +1039,14 @@ nobufs: - kfree(op); - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); -- fscache_stat(&fscache_n_stores_nobufs); -+ fscache_stat_unchecked(&fscache_n_stores_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - - nomem_free: - kfree(op); - nomem: -- fscache_stat(&fscache_n_stores_oom); -+ fscache_stat_unchecked(&fscache_n_stores_oom); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -1064,7 +1064,7 @@ void __fscache_uncache_page(struct fscache_cookie *cookie, struct page *page) - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERTCMP(page, !=, NULL); - -- fscache_stat(&fscache_n_uncaches); -+ fscache_stat_unchecked(&fscache_n_uncaches); - - /* cache withdrawal may beat us to it */ - if (!PageFsCache(page)) -@@ -1115,7 +1115,7 @@ void fscache_mark_page_cached(struct fscache_retrieval *op, struct page *page) - struct fscache_cookie *cookie = op->op.object->cookie; - - #ifdef CONFIG_FSCACHE_STATS -- atomic_inc(&fscache_n_marks); -+ atomic_inc_unchecked(&fscache_n_marks); - #endif - - _debug("- mark %p{%lx}", page, page->index); -diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c -index 40d13c7..ddf52b9 100644 ---- a/fs/fscache/stats.c -+++ b/fs/fscache/stats.c -@@ -18,99 +18,99 @@ - /* - * operation counters - */ --atomic_t fscache_n_op_pend; --atomic_t fscache_n_op_run; --atomic_t fscache_n_op_enqueue; --atomic_t fscache_n_op_requeue; --atomic_t fscache_n_op_deferred_release; --atomic_t fscache_n_op_release; --atomic_t fscache_n_op_gc; --atomic_t fscache_n_op_cancelled; --atomic_t fscache_n_op_rejected; -+atomic_unchecked_t fscache_n_op_pend; -+atomic_unchecked_t fscache_n_op_run; -+atomic_unchecked_t fscache_n_op_enqueue; -+atomic_unchecked_t fscache_n_op_requeue; -+atomic_unchecked_t fscache_n_op_deferred_release; -+atomic_unchecked_t fscache_n_op_release; -+atomic_unchecked_t fscache_n_op_gc; -+atomic_unchecked_t fscache_n_op_cancelled; -+atomic_unchecked_t fscache_n_op_rejected; - --atomic_t fscache_n_attr_changed; --atomic_t fscache_n_attr_changed_ok; --atomic_t fscache_n_attr_changed_nobufs; --atomic_t fscache_n_attr_changed_nomem; --atomic_t fscache_n_attr_changed_calls; -+atomic_unchecked_t fscache_n_attr_changed; -+atomic_unchecked_t fscache_n_attr_changed_ok; -+atomic_unchecked_t fscache_n_attr_changed_nobufs; -+atomic_unchecked_t fscache_n_attr_changed_nomem; -+atomic_unchecked_t fscache_n_attr_changed_calls; - --atomic_t fscache_n_allocs; --atomic_t fscache_n_allocs_ok; --atomic_t fscache_n_allocs_wait; --atomic_t fscache_n_allocs_nobufs; --atomic_t fscache_n_allocs_intr; --atomic_t fscache_n_allocs_object_dead; --atomic_t fscache_n_alloc_ops; --atomic_t fscache_n_alloc_op_waits; -+atomic_unchecked_t fscache_n_allocs; -+atomic_unchecked_t fscache_n_allocs_ok; -+atomic_unchecked_t fscache_n_allocs_wait; -+atomic_unchecked_t fscache_n_allocs_nobufs; -+atomic_unchecked_t fscache_n_allocs_intr; -+atomic_unchecked_t fscache_n_allocs_object_dead; -+atomic_unchecked_t fscache_n_alloc_ops; -+atomic_unchecked_t fscache_n_alloc_op_waits; - --atomic_t fscache_n_retrievals; --atomic_t fscache_n_retrievals_ok; --atomic_t fscache_n_retrievals_wait; --atomic_t fscache_n_retrievals_nodata; --atomic_t fscache_n_retrievals_nobufs; --atomic_t fscache_n_retrievals_intr; --atomic_t fscache_n_retrievals_nomem; --atomic_t fscache_n_retrievals_object_dead; --atomic_t fscache_n_retrieval_ops; --atomic_t fscache_n_retrieval_op_waits; -+atomic_unchecked_t fscache_n_retrievals; -+atomic_unchecked_t fscache_n_retrievals_ok; -+atomic_unchecked_t fscache_n_retrievals_wait; -+atomic_unchecked_t fscache_n_retrievals_nodata; -+atomic_unchecked_t fscache_n_retrievals_nobufs; -+atomic_unchecked_t fscache_n_retrievals_intr; -+atomic_unchecked_t fscache_n_retrievals_nomem; -+atomic_unchecked_t fscache_n_retrievals_object_dead; -+atomic_unchecked_t fscache_n_retrieval_ops; -+atomic_unchecked_t fscache_n_retrieval_op_waits; - --atomic_t fscache_n_stores; --atomic_t fscache_n_stores_ok; --atomic_t fscache_n_stores_again; --atomic_t fscache_n_stores_nobufs; --atomic_t fscache_n_stores_oom; --atomic_t fscache_n_store_ops; --atomic_t fscache_n_store_calls; --atomic_t fscache_n_store_pages; --atomic_t fscache_n_store_radix_deletes; --atomic_t fscache_n_store_pages_over_limit; -+atomic_unchecked_t fscache_n_stores; -+atomic_unchecked_t fscache_n_stores_ok; -+atomic_unchecked_t fscache_n_stores_again; -+atomic_unchecked_t fscache_n_stores_nobufs; -+atomic_unchecked_t fscache_n_stores_oom; -+atomic_unchecked_t fscache_n_store_ops; -+atomic_unchecked_t fscache_n_store_calls; -+atomic_unchecked_t fscache_n_store_pages; -+atomic_unchecked_t fscache_n_store_radix_deletes; -+atomic_unchecked_t fscache_n_store_pages_over_limit; - --atomic_t fscache_n_store_vmscan_not_storing; --atomic_t fscache_n_store_vmscan_gone; --atomic_t fscache_n_store_vmscan_busy; --atomic_t fscache_n_store_vmscan_cancelled; --atomic_t fscache_n_store_vmscan_wait; -+atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+atomic_unchecked_t fscache_n_store_vmscan_gone; -+atomic_unchecked_t fscache_n_store_vmscan_busy; -+atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+atomic_unchecked_t fscache_n_store_vmscan_wait; - --atomic_t fscache_n_marks; --atomic_t fscache_n_uncaches; -+atomic_unchecked_t fscache_n_marks; -+atomic_unchecked_t fscache_n_uncaches; - --atomic_t fscache_n_acquires; --atomic_t fscache_n_acquires_null; --atomic_t fscache_n_acquires_no_cache; --atomic_t fscache_n_acquires_ok; --atomic_t fscache_n_acquires_nobufs; --atomic_t fscache_n_acquires_oom; -+atomic_unchecked_t fscache_n_acquires; -+atomic_unchecked_t fscache_n_acquires_null; -+atomic_unchecked_t fscache_n_acquires_no_cache; -+atomic_unchecked_t fscache_n_acquires_ok; -+atomic_unchecked_t fscache_n_acquires_nobufs; -+atomic_unchecked_t fscache_n_acquires_oom; - --atomic_t fscache_n_invalidates; --atomic_t fscache_n_invalidates_run; -+atomic_unchecked_t fscache_n_invalidates; -+atomic_unchecked_t fscache_n_invalidates_run; - --atomic_t fscache_n_updates; --atomic_t fscache_n_updates_null; --atomic_t fscache_n_updates_run; -+atomic_unchecked_t fscache_n_updates; -+atomic_unchecked_t fscache_n_updates_null; -+atomic_unchecked_t fscache_n_updates_run; - --atomic_t fscache_n_relinquishes; --atomic_t fscache_n_relinquishes_null; --atomic_t fscache_n_relinquishes_waitcrt; --atomic_t fscache_n_relinquishes_retire; -+atomic_unchecked_t fscache_n_relinquishes; -+atomic_unchecked_t fscache_n_relinquishes_null; -+atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+atomic_unchecked_t fscache_n_relinquishes_retire; - --atomic_t fscache_n_cookie_index; --atomic_t fscache_n_cookie_data; --atomic_t fscache_n_cookie_special; -+atomic_unchecked_t fscache_n_cookie_index; -+atomic_unchecked_t fscache_n_cookie_data; -+atomic_unchecked_t fscache_n_cookie_special; - --atomic_t fscache_n_object_alloc; --atomic_t fscache_n_object_no_alloc; --atomic_t fscache_n_object_lookups; --atomic_t fscache_n_object_lookups_negative; --atomic_t fscache_n_object_lookups_positive; --atomic_t fscache_n_object_lookups_timed_out; --atomic_t fscache_n_object_created; --atomic_t fscache_n_object_avail; --atomic_t fscache_n_object_dead; -+atomic_unchecked_t fscache_n_object_alloc; -+atomic_unchecked_t fscache_n_object_no_alloc; -+atomic_unchecked_t fscache_n_object_lookups; -+atomic_unchecked_t fscache_n_object_lookups_negative; -+atomic_unchecked_t fscache_n_object_lookups_positive; -+atomic_unchecked_t fscache_n_object_lookups_timed_out; -+atomic_unchecked_t fscache_n_object_created; -+atomic_unchecked_t fscache_n_object_avail; -+atomic_unchecked_t fscache_n_object_dead; - --atomic_t fscache_n_checkaux_none; --atomic_t fscache_n_checkaux_okay; --atomic_t fscache_n_checkaux_update; --atomic_t fscache_n_checkaux_obsolete; -+atomic_unchecked_t fscache_n_checkaux_none; -+atomic_unchecked_t fscache_n_checkaux_okay; -+atomic_unchecked_t fscache_n_checkaux_update; -+atomic_unchecked_t fscache_n_checkaux_obsolete; - - atomic_t fscache_n_cop_alloc_object; - atomic_t fscache_n_cop_lookup_object; -@@ -138,118 +138,118 @@ static int fscache_stats_show(struct seq_file *m, void *v) - seq_puts(m, "FS-Cache statistics\n"); - - seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n", -- atomic_read(&fscache_n_cookie_index), -- atomic_read(&fscache_n_cookie_data), -- atomic_read(&fscache_n_cookie_special)); -+ atomic_read_unchecked(&fscache_n_cookie_index), -+ atomic_read_unchecked(&fscache_n_cookie_data), -+ atomic_read_unchecked(&fscache_n_cookie_special)); - - seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n", -- atomic_read(&fscache_n_object_alloc), -- atomic_read(&fscache_n_object_no_alloc), -- atomic_read(&fscache_n_object_avail), -- atomic_read(&fscache_n_object_dead)); -+ atomic_read_unchecked(&fscache_n_object_alloc), -+ atomic_read_unchecked(&fscache_n_object_no_alloc), -+ atomic_read_unchecked(&fscache_n_object_avail), -+ atomic_read_unchecked(&fscache_n_object_dead)); - seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n", -- atomic_read(&fscache_n_checkaux_none), -- atomic_read(&fscache_n_checkaux_okay), -- atomic_read(&fscache_n_checkaux_update), -- atomic_read(&fscache_n_checkaux_obsolete)); -+ atomic_read_unchecked(&fscache_n_checkaux_none), -+ atomic_read_unchecked(&fscache_n_checkaux_okay), -+ atomic_read_unchecked(&fscache_n_checkaux_update), -+ atomic_read_unchecked(&fscache_n_checkaux_obsolete)); - - seq_printf(m, "Pages : mrk=%u unc=%u\n", -- atomic_read(&fscache_n_marks), -- atomic_read(&fscache_n_uncaches)); -+ atomic_read_unchecked(&fscache_n_marks), -+ atomic_read_unchecked(&fscache_n_uncaches)); - - seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u" - " oom=%u\n", -- atomic_read(&fscache_n_acquires), -- atomic_read(&fscache_n_acquires_null), -- atomic_read(&fscache_n_acquires_no_cache), -- atomic_read(&fscache_n_acquires_ok), -- atomic_read(&fscache_n_acquires_nobufs), -- atomic_read(&fscache_n_acquires_oom)); -+ atomic_read_unchecked(&fscache_n_acquires), -+ atomic_read_unchecked(&fscache_n_acquires_null), -+ atomic_read_unchecked(&fscache_n_acquires_no_cache), -+ atomic_read_unchecked(&fscache_n_acquires_ok), -+ atomic_read_unchecked(&fscache_n_acquires_nobufs), -+ atomic_read_unchecked(&fscache_n_acquires_oom)); - - seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n", -- atomic_read(&fscache_n_object_lookups), -- atomic_read(&fscache_n_object_lookups_negative), -- atomic_read(&fscache_n_object_lookups_positive), -- atomic_read(&fscache_n_object_created), -- atomic_read(&fscache_n_object_lookups_timed_out)); -+ atomic_read_unchecked(&fscache_n_object_lookups), -+ atomic_read_unchecked(&fscache_n_object_lookups_negative), -+ atomic_read_unchecked(&fscache_n_object_lookups_positive), -+ atomic_read_unchecked(&fscache_n_object_created), -+ atomic_read_unchecked(&fscache_n_object_lookups_timed_out)); - - seq_printf(m, "Invals : n=%u run=%u\n", -- atomic_read(&fscache_n_invalidates), -- atomic_read(&fscache_n_invalidates_run)); -+ atomic_read_unchecked(&fscache_n_invalidates), -+ atomic_read_unchecked(&fscache_n_invalidates_run)); - - seq_printf(m, "Updates: n=%u nul=%u run=%u\n", -- atomic_read(&fscache_n_updates), -- atomic_read(&fscache_n_updates_null), -- atomic_read(&fscache_n_updates_run)); -+ atomic_read_unchecked(&fscache_n_updates), -+ atomic_read_unchecked(&fscache_n_updates_null), -+ atomic_read_unchecked(&fscache_n_updates_run)); - - seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n", -- atomic_read(&fscache_n_relinquishes), -- atomic_read(&fscache_n_relinquishes_null), -- atomic_read(&fscache_n_relinquishes_waitcrt), -- atomic_read(&fscache_n_relinquishes_retire)); -+ atomic_read_unchecked(&fscache_n_relinquishes), -+ atomic_read_unchecked(&fscache_n_relinquishes_null), -+ atomic_read_unchecked(&fscache_n_relinquishes_waitcrt), -+ atomic_read_unchecked(&fscache_n_relinquishes_retire)); - - seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n", -- atomic_read(&fscache_n_attr_changed), -- atomic_read(&fscache_n_attr_changed_ok), -- atomic_read(&fscache_n_attr_changed_nobufs), -- atomic_read(&fscache_n_attr_changed_nomem), -- atomic_read(&fscache_n_attr_changed_calls)); -+ atomic_read_unchecked(&fscache_n_attr_changed), -+ atomic_read_unchecked(&fscache_n_attr_changed_ok), -+ atomic_read_unchecked(&fscache_n_attr_changed_nobufs), -+ atomic_read_unchecked(&fscache_n_attr_changed_nomem), -+ atomic_read_unchecked(&fscache_n_attr_changed_calls)); - - seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n", -- atomic_read(&fscache_n_allocs), -- atomic_read(&fscache_n_allocs_ok), -- atomic_read(&fscache_n_allocs_wait), -- atomic_read(&fscache_n_allocs_nobufs), -- atomic_read(&fscache_n_allocs_intr)); -+ atomic_read_unchecked(&fscache_n_allocs), -+ atomic_read_unchecked(&fscache_n_allocs_ok), -+ atomic_read_unchecked(&fscache_n_allocs_wait), -+ atomic_read_unchecked(&fscache_n_allocs_nobufs), -+ atomic_read_unchecked(&fscache_n_allocs_intr)); - seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_alloc_ops), -- atomic_read(&fscache_n_alloc_op_waits), -- atomic_read(&fscache_n_allocs_object_dead)); -+ atomic_read_unchecked(&fscache_n_alloc_ops), -+ atomic_read_unchecked(&fscache_n_alloc_op_waits), -+ atomic_read_unchecked(&fscache_n_allocs_object_dead)); - - seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u" - " int=%u oom=%u\n", -- atomic_read(&fscache_n_retrievals), -- atomic_read(&fscache_n_retrievals_ok), -- atomic_read(&fscache_n_retrievals_wait), -- atomic_read(&fscache_n_retrievals_nodata), -- atomic_read(&fscache_n_retrievals_nobufs), -- atomic_read(&fscache_n_retrievals_intr), -- atomic_read(&fscache_n_retrievals_nomem)); -+ atomic_read_unchecked(&fscache_n_retrievals), -+ atomic_read_unchecked(&fscache_n_retrievals_ok), -+ atomic_read_unchecked(&fscache_n_retrievals_wait), -+ atomic_read_unchecked(&fscache_n_retrievals_nodata), -+ atomic_read_unchecked(&fscache_n_retrievals_nobufs), -+ atomic_read_unchecked(&fscache_n_retrievals_intr), -+ atomic_read_unchecked(&fscache_n_retrievals_nomem)); - seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_retrieval_ops), -- atomic_read(&fscache_n_retrieval_op_waits), -- atomic_read(&fscache_n_retrievals_object_dead)); -+ atomic_read_unchecked(&fscache_n_retrieval_ops), -+ atomic_read_unchecked(&fscache_n_retrieval_op_waits), -+ atomic_read_unchecked(&fscache_n_retrievals_object_dead)); - - seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n", -- atomic_read(&fscache_n_stores), -- atomic_read(&fscache_n_stores_ok), -- atomic_read(&fscache_n_stores_again), -- atomic_read(&fscache_n_stores_nobufs), -- atomic_read(&fscache_n_stores_oom)); -+ atomic_read_unchecked(&fscache_n_stores), -+ atomic_read_unchecked(&fscache_n_stores_ok), -+ atomic_read_unchecked(&fscache_n_stores_again), -+ atomic_read_unchecked(&fscache_n_stores_nobufs), -+ atomic_read_unchecked(&fscache_n_stores_oom)); - seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n", -- atomic_read(&fscache_n_store_ops), -- atomic_read(&fscache_n_store_calls), -- atomic_read(&fscache_n_store_pages), -- atomic_read(&fscache_n_store_radix_deletes), -- atomic_read(&fscache_n_store_pages_over_limit)); -+ atomic_read_unchecked(&fscache_n_store_ops), -+ atomic_read_unchecked(&fscache_n_store_calls), -+ atomic_read_unchecked(&fscache_n_store_pages), -+ atomic_read_unchecked(&fscache_n_store_radix_deletes), -+ atomic_read_unchecked(&fscache_n_store_pages_over_limit)); - - seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u wt=%u\n", -- atomic_read(&fscache_n_store_vmscan_not_storing), -- atomic_read(&fscache_n_store_vmscan_gone), -- atomic_read(&fscache_n_store_vmscan_busy), -- atomic_read(&fscache_n_store_vmscan_cancelled), -- atomic_read(&fscache_n_store_vmscan_wait)); -+ atomic_read_unchecked(&fscache_n_store_vmscan_not_storing), -+ atomic_read_unchecked(&fscache_n_store_vmscan_gone), -+ atomic_read_unchecked(&fscache_n_store_vmscan_busy), -+ atomic_read_unchecked(&fscache_n_store_vmscan_cancelled), -+ atomic_read_unchecked(&fscache_n_store_vmscan_wait)); - - seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n", -- atomic_read(&fscache_n_op_pend), -- atomic_read(&fscache_n_op_run), -- atomic_read(&fscache_n_op_enqueue), -- atomic_read(&fscache_n_op_cancelled), -- atomic_read(&fscache_n_op_rejected)); -+ atomic_read_unchecked(&fscache_n_op_pend), -+ atomic_read_unchecked(&fscache_n_op_run), -+ atomic_read_unchecked(&fscache_n_op_enqueue), -+ atomic_read_unchecked(&fscache_n_op_cancelled), -+ atomic_read_unchecked(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", -- atomic_read(&fscache_n_op_deferred_release), -- atomic_read(&fscache_n_op_release), -- atomic_read(&fscache_n_op_gc)); -+ atomic_read_unchecked(&fscache_n_op_deferred_release), -+ atomic_read_unchecked(&fscache_n_op_release), -+ atomic_read_unchecked(&fscache_n_op_gc)); - - seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n", - atomic_read(&fscache_n_cop_alloc_object), -diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c -index e5bbf74..9bfdaf3 100644 ---- a/fs/fuse/cuse.c -+++ b/fs/fuse/cuse.c -@@ -602,10 +602,12 @@ static int __init cuse_init(void) - INIT_LIST_HEAD(&cuse_conntbl[i]); - - /* inherit and extend fuse_dev_operations */ -- cuse_channel_fops = fuse_dev_operations; -- cuse_channel_fops.owner = THIS_MODULE; -- cuse_channel_fops.open = cuse_channel_open; -- cuse_channel_fops.release = cuse_channel_release; -+ pax_open_kernel(); -+ memcpy((void *)&cuse_channel_fops, &fuse_dev_operations, sizeof(fuse_dev_operations)); -+ *(void **)&cuse_channel_fops.owner = THIS_MODULE; -+ *(void **)&cuse_channel_fops.open = cuse_channel_open; -+ *(void **)&cuse_channel_fops.release = cuse_channel_release; -+ pax_close_kernel(); - - cuse_class = class_create(THIS_MODULE, "cuse"); - if (IS_ERR(cuse_class)) -diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c -index c8b68ab..97190db 100644 ---- a/fs/fuse/dev.c -+++ b/fs/fuse/dev.c -@@ -1398,7 +1398,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, - ret = 0; - pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1427,7 +1427,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, - page_nr++; - ret += buf->len; - -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - do_wakeup = 1; - } - -diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c -index 0572bca..cb9c3fa 100644 ---- a/fs/fuse/dir.c -+++ b/fs/fuse/dir.c -@@ -1394,7 +1394,7 @@ static char *read_link(struct dentry *dentry) - return link; - } - --static void free_link(char *link) -+static void free_link(const char *link) - { - if (!IS_ERR(link)) - free_page((unsigned long) link); -diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c -index 0fa8062..755b198 100644 ---- a/fs/gfs2/glock.c -+++ b/fs/gfs2/glock.c -@@ -385,9 +385,9 @@ static void state_change(struct gfs2_glock *gl, unsigned int new_state) - if (held1 != held2) { - GLOCK_BUG_ON(gl, __lockref_is_dead(&gl->gl_lockref)); - if (held2) -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - else -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - if (held1 && held2 && list_empty(&gl->gl_holders)) - clear_bit(GLF_QUEUED, &gl->gl_flags); -@@ -614,9 +614,9 @@ out: - out_sched: - clear_bit(GLF_LOCK, &gl->gl_flags); - smp_mb__after_atomic(); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - return; - - out_unlock: -@@ -742,7 +742,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, - gl->gl_sbd = sdp; - gl->gl_flags = 0; - gl->gl_name = name; -- gl->gl_lockref.count = 1; -+ __lockref_set(&gl->gl_lockref, 1); - gl->gl_state = LM_ST_UNLOCKED; - gl->gl_target = LM_ST_UNLOCKED; - gl->gl_demote_state = LM_ST_EXCLUSIVE; -@@ -1020,9 +1020,9 @@ int gfs2_glock_nq(struct gfs2_holder *gh) - if (unlikely((LM_FLAG_NOEXP & gh->gh_flags) && - test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))) { - set_bit(GLF_REPLY_PENDING, &gl->gl_flags); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - run_queue(gl, 1); - spin_unlock(&gl->gl_spin); -@@ -1325,7 +1325,7 @@ void gfs2_glock_complete(struct gfs2_glock *gl, int ret) - } - } - -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - set_bit(GLF_REPLY_PENDING, &gl->gl_flags); - spin_unlock(&gl->gl_spin); - -@@ -1384,12 +1384,12 @@ add_back_to_lru: - goto add_back_to_lru; - } - clear_bit(GLF_LRU, &gl->gl_flags); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (demote_ok(gl)) - handle_callback(gl, LM_ST_UNLOCKED, 0, false); - WARN_ON(!test_and_clear_bit(GLF_LOCK, &gl->gl_flags)); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - spin_unlock(&gl->gl_spin); - cond_resched_lock(&lru_lock); - } -@@ -1719,7 +1719,7 @@ void gfs2_dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) - state2str(gl->gl_demote_state), dtime, - atomic_read(&gl->gl_ail_count), - atomic_read(&gl->gl_revokes), -- (int)gl->gl_lockref.count, gl->gl_hold_time); -+ __lockref_read(&gl->gl_lockref), gl->gl_hold_time); - - list_for_each_entry(gh, &gl->gl_holders, gh_list) - dump_holder(seq, gh); -diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c -index fe91951..ce38a6e 100644 ---- a/fs/gfs2/glops.c -+++ b/fs/gfs2/glops.c -@@ -544,9 +544,9 @@ static void iopen_go_callback(struct gfs2_glock *gl, bool remote) - - if (gl->gl_demote_state == LM_ST_UNLOCKED && - gl->gl_state == LM_ST_SHARED && ip) { -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - } - -diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c -index e3065cb..45e7117 100644 ---- a/fs/gfs2/quota.c -+++ b/fs/gfs2/quota.c -@@ -154,7 +154,7 @@ static enum lru_status gfs2_qd_isolate(struct list_head *item, - if (!spin_trylock(&qd->qd_lockref.lock)) - return LRU_SKIP; - -- if (qd->qd_lockref.count == 0) { -+ if (__lockref_read(&qd->qd_lockref) == 0) { - lockref_mark_dead(&qd->qd_lockref); - list_lru_isolate_move(lru, &qd->qd_lru, dispose); - } -@@ -221,7 +221,7 @@ static struct gfs2_quota_data *qd_alloc(unsigned hash, struct gfs2_sbd *sdp, str - return NULL; - - qd->qd_sbd = sdp; -- qd->qd_lockref.count = 1; -+ __lockref_set(&qd->qd_lockref, 1); - spin_lock_init(&qd->qd_lockref.lock); - qd->qd_id = qid; - qd->qd_slot = -1; -@@ -312,7 +312,7 @@ static void qd_put(struct gfs2_quota_data *qd) - if (lockref_put_or_lock(&qd->qd_lockref)) - return; - -- qd->qd_lockref.count = 0; -+ __lockref_set(&qd->qd_lockref, 0); - list_lru_add(&gfs2_qd_lru, &qd->qd_lru); - spin_unlock(&qd->qd_lockref.lock); - -diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c -index 07d8d8f..2c2a4e7 100644 ---- a/fs/hostfs/hostfs_kern.c -+++ b/fs/hostfs/hostfs_kern.c -@@ -918,7 +918,7 @@ static void *hostfs_follow_link(struct dentry *dentry, struct nameidata *nd) - - static void hostfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - __putname(s); - } -diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c -index 87724c1..5a5e53f 100644 ---- a/fs/hugetlbfs/inode.c -+++ b/fs/hugetlbfs/inode.c -@@ -151,6 +151,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - struct hstate *h = hstate_file(file); -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - struct vm_unmapped_area_info info; - - if (len & ~huge_page_mask(h)) -@@ -164,17 +165,26 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -@@ -939,7 +949,7 @@ static struct file_system_type hugetlbfs_fs_type = { - }; - MODULE_ALIAS_FS("hugetlbfs"); - --static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; -+struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; - - static int can_do_hugetlb_shm(void) - { -diff --git a/fs/inode.c b/fs/inode.c -index 6e342ca..0538cb7 100644 ---- a/fs/inode.c -+++ b/fs/inode.c -@@ -830,16 +830,20 @@ unsigned int get_next_ino(void) - unsigned int *p = &get_cpu_var(last_ino); - unsigned int res = *p; - -+start: -+ - #ifdef CONFIG_SMP - if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) { -- static atomic_t shared_last_ino; -- int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino); -+ static atomic_unchecked_t shared_last_ino; -+ int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino); - - res = next - LAST_INO_BATCH; - } - #endif - -- *p = ++res; -+ if (unlikely(!++res)) -+ goto start; /* never zero */ -+ *p = res; - put_cpu_var(last_ino); - return res; - } -diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c -index 4a6cf28..d3a29d3 100644 ---- a/fs/jffs2/erase.c -+++ b/fs/jffs2/erase.c -@@ -452,7 +452,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb - struct jffs2_unknown_node marker = { - .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = cpu_to_je32(c->cleanmarker_size) -+ .totlen = cpu_to_je32(c->cleanmarker_size), -+ .hdr_crc = cpu_to_je32(0) - }; - - jffs2_prealloc_raw_node_refs(c, jeb, 1); -diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c -index 09ed551..45684f8 100644 ---- a/fs/jffs2/wbuf.c -+++ b/fs/jffs2/wbuf.c -@@ -1023,7 +1023,8 @@ static const struct jffs2_unknown_node oob_cleanmarker = - { - .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = constant_cpu_to_je32(8) -+ .totlen = constant_cpu_to_je32(8), -+ .hdr_crc = constant_cpu_to_je32(0) - }; - - /* -diff --git a/fs/jfs/super.c b/fs/jfs/super.c -index 4cd9798..8dfe86a 100644 ---- a/fs/jfs/super.c -+++ b/fs/jfs/super.c -@@ -901,7 +901,7 @@ static int __init init_jfs_fs(void) - - jfs_inode_cachep = - kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0, -- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, -+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY, - init_once); - if (jfs_inode_cachep == NULL) - return -ENOMEM; -diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c -index 2d48d28..82eddad 100644 ---- a/fs/kernfs/dir.c -+++ b/fs/kernfs/dir.c -@@ -182,7 +182,7 @@ struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn) - * - * Returns 31 bit hash of ns + name (so it fits in an off_t ) - */ --static unsigned int kernfs_name_hash(const char *name, const void *ns) -+static unsigned int kernfs_name_hash(const unsigned char *name, const void *ns) - { - unsigned long hash = init_name_hash(); - unsigned int len = strlen(name); -@@ -873,6 +873,12 @@ static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry, - ret = scops->mkdir(parent, dentry->d_name.name, mode); - - kernfs_put_active(parent); -+ -+ if (!ret) { -+ struct dentry *dentry_ret = kernfs_iop_lookup(dir, dentry, 0); -+ ret = PTR_ERR_OR_ZERO(dentry_ret); -+ } -+ - return ret; - } - -diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c -index 2bacb99..f745182 100644 ---- a/fs/kernfs/file.c -+++ b/fs/kernfs/file.c -@@ -34,7 +34,7 @@ static DEFINE_MUTEX(kernfs_open_file_mutex); - - struct kernfs_open_node { - atomic_t refcnt; -- atomic_t event; -+ atomic_unchecked_t event; - wait_queue_head_t poll; - struct list_head files; /* goes through kernfs_open_file.list */ - }; -@@ -163,7 +163,7 @@ static int kernfs_seq_show(struct seq_file *sf, void *v) - { - struct kernfs_open_file *of = sf->private; - -- of->event = atomic_read(&of->kn->attr.open->event); -+ of->event = atomic_read_unchecked(&of->kn->attr.open->event); - - return of->kn->attr.ops->seq_show(sf, v); - } -@@ -207,7 +207,7 @@ static ssize_t kernfs_file_direct_read(struct kernfs_open_file *of, - goto out_free; - } - -- of->event = atomic_read(&of->kn->attr.open->event); -+ of->event = atomic_read_unchecked(&of->kn->attr.open->event); - ops = kernfs_ops(of->kn); - if (ops->read) - len = ops->read(of, buf, len, *ppos); -@@ -272,7 +272,7 @@ static ssize_t kernfs_fop_write(struct file *file, const char __user *user_buf, - { - struct kernfs_open_file *of = kernfs_of(file); - const struct kernfs_ops *ops; -- size_t len; -+ ssize_t len; - char *buf; - - if (of->atomic_write_len) { -@@ -385,12 +385,12 @@ static int kernfs_vma_page_mkwrite(struct vm_area_struct *vma, - return ret; - } - --static int kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write) -+static ssize_t kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write) - { - struct file *file = vma->vm_file; - struct kernfs_open_file *of = kernfs_of(file); -- int ret; -+ ssize_t ret; - - if (!of->vm_ops) - return -EINVAL; -@@ -569,7 +569,7 @@ static int kernfs_get_open_node(struct kernfs_node *kn, - return -ENOMEM; - - atomic_set(&new_on->refcnt, 0); -- atomic_set(&new_on->event, 1); -+ atomic_set_unchecked(&new_on->event, 1); - init_waitqueue_head(&new_on->poll); - INIT_LIST_HEAD(&new_on->files); - goto retry; -@@ -793,7 +793,7 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait) - - kernfs_put_active(kn); - -- if (of->event != atomic_read(&on->event)) -+ if (of->event != atomic_read_unchecked(&on->event)) - goto trigger; - - return DEFAULT_POLLMASK; -@@ -824,7 +824,7 @@ repeat: - - on = kn->attr.open; - if (on) { -- atomic_inc(&on->event); -+ atomic_inc_unchecked(&on->event); - wake_up_interruptible(&on->poll); - } - -diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c -index 8a19889..4c3069a 100644 ---- a/fs/kernfs/symlink.c -+++ b/fs/kernfs/symlink.c -@@ -128,7 +128,7 @@ static void *kernfs_iop_follow_link(struct dentry *dentry, struct nameidata *nd) - static void kernfs_iop_put_link(struct dentry *dentry, struct nameidata *nd, - void *cookie) - { -- char *page = nd_get_link(nd); -+ const char *page = nd_get_link(nd); - if (!IS_ERR(page)) - free_page((unsigned long)page); - } -diff --git a/fs/libfs.c b/fs/libfs.c -index 0281359..24971ac 100644 ---- a/fs/libfs.c -+++ b/fs/libfs.c -@@ -160,6 +160,9 @@ int dcache_readdir(struct file *file, struct dir_context *ctx) - - for (p = q->next; p != &dentry->d_subdirs; p = p->next) { - struct dentry *next = list_entry(p, struct dentry, d_child); -+ char d_name[sizeof(next->d_iname)]; -+ const unsigned char *name; -+ - spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED); - if (!simple_positive(next)) { - spin_unlock(&next->d_lock); -@@ -168,7 +171,12 @@ int dcache_readdir(struct file *file, struct dir_context *ctx) - - spin_unlock(&next->d_lock); - spin_unlock(&dentry->d_lock); -- if (!dir_emit(ctx, next->d_name.name, next->d_name.len, -+ name = next->d_name.name; -+ if (name == next->d_iname) { -+ memcpy(d_name, name, next->d_name.len); -+ name = d_name; -+ } -+ if (!dir_emit(ctx, name, next->d_name.len, - d_inode(next)->i_ino, dt_type(d_inode(next)))) - return 0; - spin_lock(&dentry->d_lock); -@@ -1027,7 +1035,7 @@ EXPORT_SYMBOL(noop_fsync); - void kfree_put_link(struct dentry *dentry, struct nameidata *nd, - void *cookie) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - kfree(s); - } -diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c -index acd3947..1f896e2 100644 ---- a/fs/lockd/clntproc.c -+++ b/fs/lockd/clntproc.c -@@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt_cancel_ops; - /* - * Cookie counter for NLM requests - */ --static atomic_t nlm_cookie = ATOMIC_INIT(0x1234); -+static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234); - - void nlmclnt_next_cookie(struct nlm_cookie *c) - { -- u32 cookie = atomic_inc_return(&nlm_cookie); -+ u32 cookie = atomic_inc_return_unchecked(&nlm_cookie); - - memcpy(c->data, &cookie, 4); - c->len=4; -diff --git a/fs/mount.h b/fs/mount.h -index 6a61c2b..bd79179 100644 ---- a/fs/mount.h -+++ b/fs/mount.h -@@ -13,7 +13,7 @@ struct mnt_namespace { - u64 seq; /* Sequence number to prevent loops */ - wait_queue_head_t poll; - u64 event; --}; -+} __randomize_layout; - - struct mnt_pcp { - int mnt_count; -@@ -65,7 +65,7 @@ struct mount { - struct hlist_head mnt_pins; - struct fs_pin mnt_umount; - struct dentry *mnt_ex_mountpoint; --}; -+} __randomize_layout; - - #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ - -diff --git a/fs/namei.c b/fs/namei.c -index fe30d3b..57656a7 100644 ---- a/fs/namei.c -+++ b/fs/namei.c -@@ -336,17 +336,32 @@ int generic_permission(struct inode *inode, int mask) - if (ret != -EACCES) - return ret; - -+#ifdef CONFIG_GRKERNSEC -+ /* we'll block if we have to log due to a denied capability use */ -+ if (mask & MAY_NOT_BLOCK) -+ return -ECHILD; -+#endif -+ - if (S_ISDIR(inode->i_mode)) { - /* DACs are overridable for directories */ -- if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) -- return 0; - if (!(mask & MAY_WRITE)) -- if (capable_wrt_inode_uidgid(inode, -- CAP_DAC_READ_SEARCH)) -+ if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) || -+ capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) - return 0; -+ if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) -+ return 0; - return -EACCES; - } - /* -+ * Searching includes executable on directories, else just read. -+ */ -+ mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -+ if (mask == MAY_READ) -+ if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) || -+ capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) -+ return 0; -+ -+ /* - * Read/write DACs are always overridable. - * Executable DACs are overridable when there is - * at least one exec bit set. -@@ -355,14 +370,6 @@ int generic_permission(struct inode *inode, int mask) - if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) - return 0; - -- /* -- * Searching includes executable on directories, else just read. -- */ -- mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -- if (mask == MAY_READ) -- if (capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) -- return 0; -- - return -EACCES; - } - EXPORT_SYMBOL(generic_permission); -@@ -502,7 +509,7 @@ struct nameidata { - int last_type; - unsigned depth; - struct file *base; -- char *saved_names[MAX_NESTED_LINKS + 1]; -+ const char *saved_names[MAX_NESTED_LINKS + 1]; - }; - - /* -@@ -713,13 +720,13 @@ void nd_jump_link(struct nameidata *nd, struct path *path) - nd->flags |= LOOKUP_JUMPED; - } - --void nd_set_link(struct nameidata *nd, char *path) -+void nd_set_link(struct nameidata *nd, const char *path) - { - nd->saved_names[nd->depth] = path; - } - EXPORT_SYMBOL(nd_set_link); - --char *nd_get_link(struct nameidata *nd) -+const char *nd_get_link(const struct nameidata *nd) - { - return nd->saved_names[nd->depth]; - } -@@ -766,7 +773,7 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd) - return 0; - - /* Allowed if parent directory not sticky and world-writable. */ -- parent = nd->path.dentry->d_inode; -+ parent = nd->inode; - if ((parent->i_mode & (S_ISVTX|S_IWOTH)) != (S_ISVTX|S_IWOTH)) - return 0; - -@@ -854,7 +861,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - { - struct dentry *dentry = link->dentry; - int error; -- char *s; -+ const char *s; - - BUG_ON(nd->flags & LOOKUP_RCU); - -@@ -875,6 +882,11 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - if (error) - goto out_put_nd_path; - -+ if (gr_handle_follow_link(dentry, nd->path.mnt)) { -+ error = -EACCES; -+ goto out_put_nd_path; -+ } -+ - nd->last_type = LAST_BIND; - *p = dentry->d_inode->i_op->follow_link(dentry, nd); - error = PTR_ERR(*p); -@@ -1647,6 +1659,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) - if (res) - break; - res = walk_component(nd, path, LOOKUP_FOLLOW); -+ if (res >= 0 && gr_handle_symlink_owner(&link, nd->inode)) -+ res = -EACCES; - put_link(nd, &link, cookie); - } while (res > 0); - -@@ -1719,7 +1733,7 @@ EXPORT_SYMBOL(full_name_hash); - static inline u64 hash_name(const char *name) - { - unsigned long a, b, adata, bdata, mask, hash, len; -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - - hash = a = 0; - len = -sizeof(unsigned long); -@@ -2015,6 +2029,8 @@ static int path_lookupat(int dfd, const struct filename *name, - if (err) - break; - err = lookup_last(nd, &path); -+ if (!err && gr_handle_symlink_owner(&link, nd->inode)) -+ err = -EACCES; - put_link(nd, &link, cookie); - } - } -@@ -2022,6 +2038,13 @@ static int path_lookupat(int dfd, const struct filename *name, - if (!err) - err = complete_walk(nd); - -+ if (!err && !(nd->flags & LOOKUP_PARENT)) { -+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) { -+ path_put(&nd->path); -+ err = -ENOENT; -+ } -+ } -+ - if (!err && nd->flags & LOOKUP_DIRECTORY) { - if (!d_can_lookup(nd->path.dentry)) { - path_put(&nd->path); -@@ -2042,8 +2065,15 @@ static int filename_lookup(int dfd, struct filename *name, - if (unlikely(retval == -ESTALE)) - retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd); - -- if (likely(!retval)) -+ if (likely(!retval)) { - audit_inode(name, nd->path.dentry, flags & LOOKUP_PARENT); -+ if (name->name[0] != '/' && nd->path.dentry && nd->inode) { -+ if (!gr_chroot_fchdir(nd->path.dentry, nd->path.mnt)) { -+ path_put(&nd->path); -+ return -ENOENT; -+ } -+ } -+ } - return retval; - } - -@@ -2621,6 +2651,13 @@ static int may_open(struct path *path, int acc_mode, int flag) - if (flag & O_NOATIME && !inode_owner_or_capable(inode)) - return -EPERM; - -+ if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode)) -+ return -EPERM; -+ if (gr_handle_rawio(inode)) -+ return -EPERM; -+ if (!gr_acl_handle_open(dentry, path->mnt, acc_mode)) -+ return -EACCES; -+ - return 0; - } - -@@ -2852,7 +2889,7 @@ looked_up: - * cleared otherwise prior to returning. - */ - static int lookup_open(struct nameidata *nd, struct path *path, -- struct file *file, -+ struct path *link, struct file *file, - const struct open_flags *op, - bool got_write, int *opened) - { -@@ -2887,6 +2924,17 @@ static int lookup_open(struct nameidata *nd, struct path *path, - /* Negative dentry, just create the file */ - if (!dentry->d_inode && (op->open_flag & O_CREAT)) { - umode_t mode = op->mode; -+ -+ if (link && gr_handle_symlink_owner(link, dir->d_inode)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_creat(dentry, dir, nd->path.mnt, op->open_flag, op->acc_mode, mode)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - if (!IS_POSIXACL(dir->d_inode)) - mode &= ~current_umask(); - /* -@@ -2908,6 +2956,8 @@ static int lookup_open(struct nameidata *nd, struct path *path, - nd->flags & LOOKUP_EXCL); - if (error) - goto out_dput; -+ else -+ gr_handle_create(dentry, nd->path.mnt); - } - out_no_open: - path->dentry = dentry; -@@ -2922,7 +2972,7 @@ out_dput: - /* - * Handle the last step of open() - */ --static int do_last(struct nameidata *nd, struct path *path, -+static int do_last(struct nameidata *nd, struct path *path, struct path *link, - struct file *file, const struct open_flags *op, - int *opened, struct filename *name) - { -@@ -2972,6 +3022,15 @@ static int do_last(struct nameidata *nd, struct path *path, - if (error) - return error; - -+ if (!gr_acl_handle_hidden_file(dir, nd->path.mnt)) { -+ error = -ENOENT; -+ goto out; -+ } -+ if (link && gr_handle_symlink_owner(link, nd->inode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - audit_inode(name, dir, LOOKUP_PARENT); - error = -EISDIR; - /* trailing slashes? */ -@@ -2991,7 +3050,7 @@ retry_lookup: - */ - } - mutex_lock(&dir->d_inode->i_mutex); -- error = lookup_open(nd, path, file, op, got_write, opened); -+ error = lookup_open(nd, path, link, file, op, got_write, opened); - mutex_unlock(&dir->d_inode->i_mutex); - - if (error <= 0) { -@@ -3015,11 +3074,28 @@ retry_lookup: - goto finish_open_created; - } - -+ if (!gr_acl_handle_hidden_file(path->dentry, nd->path.mnt)) { -+ error = -ENOENT; -+ goto exit_dput; -+ } -+ if (link && gr_handle_symlink_owner(link, path->dentry->d_inode)) { -+ error = -EACCES; -+ goto exit_dput; -+ } -+ - /* - * create/update audit record if it already exists. - */ -- if (d_is_positive(path->dentry)) -+ if (d_is_positive(path->dentry)) { -+ /* only check if O_CREAT is specified, all other checks need to go -+ into may_open */ -+ if (gr_handle_fifo(path->dentry, path->mnt, dir, open_flag, acc_mode)) { -+ error = -EACCES; -+ goto exit_dput; -+ } -+ - audit_inode(name, path->dentry, 0); -+ } - - /* - * If atomic_open() acquired write access it is dropped now due to -@@ -3060,6 +3136,11 @@ finish_lookup: - } - } - BUG_ON(inode != path->dentry->d_inode); -+ /* if we're resolving a symlink to another symlink */ -+ if (link && gr_handle_symlink_owner(link, inode)) { -+ error = -EACCES; -+ goto out; -+ } - return 1; - } - -@@ -3079,7 +3160,18 @@ finish_open: - path_put(&save_parent); - return error; - } -+ -+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) { -+ error = -ENOENT; -+ goto out; -+ } -+ if (link && gr_handle_symlink_owner(link, nd->inode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - audit_inode(name, nd->path.dentry, 0); -+ - error = -EISDIR; - if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry)) - goto out; -@@ -3240,7 +3332,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, - if (unlikely(error)) - goto out; - -- error = do_last(nd, &path, file, op, &opened, pathname); -+ error = do_last(nd, &path, NULL, file, op, &opened, pathname); - while (unlikely(error > 0)) { /* trailing symlink */ - struct path link = path; - void *cookie; -@@ -3258,7 +3350,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, - error = follow_link(&link, nd, &cookie); - if (unlikely(error)) - break; -- error = do_last(nd, &path, file, op, &opened, pathname); -+ error = do_last(nd, &path, &link, file, op, &opened, pathname); - put_link(nd, &link, cookie); - } - out: -@@ -3361,9 +3453,11 @@ static struct dentry *filename_create(int dfd, struct filename *name, - goto unlock; - - error = -EEXIST; -- if (d_is_positive(dentry)) -+ if (d_is_positive(dentry)) { -+ if (!gr_acl_handle_hidden_file(dentry, nd.path.mnt)) -+ error = -ENOENT; - goto fail; -- -+ } - /* - * Special case - lookup gave negative, but... we had foo/bar/ - * From the vfs_mknod() POV we just have a negative dentry - -@@ -3428,6 +3522,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, - } - EXPORT_SYMBOL(user_path_create); - -+static struct dentry *user_path_create_with_name(int dfd, const char __user *pathname, struct path *path, struct filename **to, unsigned int lookup_flags) -+{ -+ struct filename *tmp = getname(pathname); -+ struct dentry *res; -+ if (IS_ERR(tmp)) -+ return ERR_CAST(tmp); -+ res = kern_path_create(dfd, tmp->name, path, lookup_flags); -+ if (IS_ERR(res)) -+ putname(tmp); -+ else -+ *to = tmp; -+ return res; -+} -+ - int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) - { - int error = may_create(dir, dentry); -@@ -3491,6 +3599,17 @@ retry: - - if (!IS_POSIXACL(path.dentry->d_inode)) - mode &= ~current_umask(); -+ -+ if (gr_handle_chroot_mknod(dentry, path.mnt, mode)) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - error = security_path_mknod(&path, dentry, mode, dev); - if (error) - goto out; -@@ -3506,6 +3625,8 @@ retry: - error = vfs_mknod(path.dentry->d_inode,dentry,mode,0); - break; - } -+ if (!error) -+ gr_handle_create(dentry, path.mnt); - out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { -@@ -3560,9 +3681,16 @@ retry: - - if (!IS_POSIXACL(path.dentry->d_inode)) - mode &= ~current_umask(); -+ if (!gr_acl_handle_mkdir(dentry, path.dentry, path.mnt)) { -+ error = -EACCES; -+ goto out; -+ } - error = security_path_mkdir(&path, dentry, mode); - if (!error) - error = vfs_mkdir(path.dentry->d_inode, dentry, mode); -+ if (!error) -+ gr_handle_create(dentry, path.mnt); -+out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { - lookup_flags |= LOOKUP_REVAL; -@@ -3595,7 +3723,7 @@ void dentry_unhash(struct dentry *dentry) - { - shrink_dcache_parent(dentry); - spin_lock(&dentry->d_lock); -- if (dentry->d_lockref.count == 1) -+ if (__lockref_read(&dentry->d_lockref) == 1) - __d_drop(dentry); - spin_unlock(&dentry->d_lock); - } -@@ -3646,6 +3774,8 @@ static long do_rmdir(int dfd, const char __user *pathname) - struct filename *name; - struct dentry *dentry; - struct nameidata nd; -+ u64 saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3678,10 +3808,21 @@ retry: - error = -ENOENT; - goto exit3; - } -+ -+ saved_ino = gr_get_ino_from_dentry(dentry); -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ -+ if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit3; -+ } -+ - error = security_path_rmdir(&nd.path, dentry); - if (error) - goto exit3; - error = vfs_rmdir(nd.path.dentry->d_inode, dentry); -+ if (!error && (saved_dev || saved_ino)) -+ gr_handle_delete(saved_ino, saved_dev); - exit3: - dput(dentry); - exit2: -@@ -3774,6 +3915,8 @@ static long do_unlinkat(int dfd, const char __user *pathname) - struct nameidata nd; - struct inode *inode = NULL; - struct inode *delegated_inode = NULL; -+ u64 saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3800,10 +3943,22 @@ retry_deleg: - if (d_is_negative(dentry)) - goto slashes; - ihold(inode); -+ -+ if (inode->i_nlink <= 1) { -+ saved_ino = gr_get_ino_from_dentry(dentry); -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ } -+ if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit2; -+ } -+ - error = security_path_unlink(&nd.path, dentry); - if (error) - goto exit2; - error = vfs_unlink(nd.path.dentry->d_inode, dentry, &delegated_inode); -+ if (!error && (saved_ino || saved_dev)) -+ gr_handle_delete(saved_ino, saved_dev); - exit2: - dput(dentry); - } -@@ -3892,9 +4047,17 @@ retry: - if (IS_ERR(dentry)) - goto out_putname; - -+ if (!gr_acl_handle_symlink(dentry, path.dentry, path.mnt, from)) { -+ error = -EACCES; -+ goto out; -+ } -+ - error = security_path_symlink(&path, dentry, from->name); - if (!error) - error = vfs_symlink(path.dentry->d_inode, dentry, from->name); -+ if (!error) -+ gr_handle_create(dentry, path.mnt); -+out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { - lookup_flags |= LOOKUP_REVAL; -@@ -3998,6 +4161,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, - struct dentry *new_dentry; - struct path old_path, new_path; - struct inode *delegated_inode = NULL; -+ struct filename *to = NULL; - int how = 0; - int error; - -@@ -4021,7 +4185,7 @@ retry: - if (error) - return error; - -- new_dentry = user_path_create(newdfd, newname, &new_path, -+ new_dentry = user_path_create_with_name(newdfd, newname, &new_path, &to, - (how & LOOKUP_REVAL)); - error = PTR_ERR(new_dentry); - if (IS_ERR(new_dentry)) -@@ -4033,11 +4197,26 @@ retry: - error = may_linkat(&old_path); - if (unlikely(error)) - goto out_dput; -+ -+ if (gr_handle_hardlink(old_path.dentry, old_path.mnt, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_link(new_dentry, new_path.dentry, new_path.mnt, -+ old_path.dentry, old_path.mnt, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - error = security_path_link(old_path.dentry, &new_path, new_dentry); - if (error) - goto out_dput; - error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry, &delegated_inode); -+ if (!error) -+ gr_handle_create(new_dentry, new_path.mnt); - out_dput: -+ putname(to); - done_path_create(&new_path, new_dentry); - if (delegated_inode) { - error = break_deleg_wait(&delegated_inode); -@@ -4353,6 +4532,20 @@ retry_deleg: - if (new_dentry == trap) - goto exit5; - -+ if (gr_bad_chroot_rename(old_dentry, oldnd.path.mnt, new_dentry, newnd.path.mnt)) { -+ /* use EXDEV error to cause 'mv' to switch to an alternative -+ * method for usability -+ */ -+ error = -EXDEV; -+ goto exit5; -+ } -+ -+ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt, -+ old_dentry, d_backing_inode(old_dir), oldnd.path.mnt, -+ to, flags); -+ if (error) -+ goto exit5; -+ - error = security_path_rename(&oldnd.path, old_dentry, - &newnd.path, new_dentry, flags); - if (error) -@@ -4360,6 +4553,9 @@ retry_deleg: - error = vfs_rename(old_dir->d_inode, old_dentry, - new_dir->d_inode, new_dentry, - &delegated_inode, flags); -+ if (!error) -+ gr_handle_rename(d_backing_inode(old_dir), d_backing_inode(new_dir), old_dentry, -+ new_dentry, oldnd.path.mnt, d_is_positive(new_dentry) ? 1 : 0, flags); - exit5: - dput(new_dentry); - exit4: -@@ -4416,14 +4612,24 @@ EXPORT_SYMBOL(vfs_whiteout); - - int readlink_copy(char __user *buffer, int buflen, const char *link) - { -+ char tmpbuf[64]; -+ const char *newlink; - int len = PTR_ERR(link); -+ - if (IS_ERR(link)) - goto out; - - len = strlen(link); - if (len > (unsigned) buflen) - len = buflen; -- if (copy_to_user(buffer, link, len)) -+ -+ if (len < sizeof(tmpbuf)) { -+ memcpy(tmpbuf, link, len); -+ newlink = tmpbuf; -+ } else -+ newlink = link; -+ -+ if (copy_to_user(buffer, newlink, len)) - len = -EFAULT; - out: - return len; -diff --git a/fs/namespace.c b/fs/namespace.c -index fce3cc1..ac3626c 100644 ---- a/fs/namespace.c -+++ b/fs/namespace.c -@@ -1505,6 +1505,9 @@ static int do_umount(struct mount *mnt, int flags) - if (!(sb->s_flags & MS_RDONLY)) - retval = do_remount_sb(sb, MS_RDONLY, NULL, 0); - up_write(&sb->s_umount); -+ -+ gr_log_remount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1527,6 +1530,9 @@ static int do_umount(struct mount *mnt, int flags) - } - unlock_mount_hash(); - namespace_unlock(); -+ -+ gr_log_unmount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1581,7 +1587,7 @@ static inline bool may_mount(void) - * unixes. Our API is identical to OSF/1 to avoid making a mess of AMD - */ - --SYSCALL_DEFINE2(umount, char __user *, name, int, flags) -+SYSCALL_DEFINE2(umount, const char __user *, name, int, flags) - { - struct path path; - struct mount *mnt; -@@ -1626,7 +1632,7 @@ out: - /* - * The 2.0 compatible umount. No flags. - */ --SYSCALL_DEFINE1(oldumount, char __user *, name) -+SYSCALL_DEFINE1(oldumount, const char __user *, name) - { - return sys_umount(name, 0); - } -@@ -2701,6 +2707,16 @@ long do_mount(const char *dev_name, const char __user *dir_name, - MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | - MS_STRICTATIME); - -+ if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ -+ if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ - if (flags & MS_REMOUNT) - retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags, - data_page); -@@ -2714,7 +2730,10 @@ long do_mount(const char *dev_name, const char __user *dir_name, - retval = do_new_mount(&path, type_page, flags, mnt_flags, - dev_name, data_page); - dput_out: -+ gr_log_mount(dev_name, &path, retval); -+ - path_put(&path); -+ - return retval; - } - -@@ -2732,7 +2751,7 @@ static void free_mnt_ns(struct mnt_namespace *ns) - * number incrementing at 10Ghz will take 12,427 years to wrap which - * is effectively never, so we can ignore the possibility. - */ --static atomic64_t mnt_ns_seq = ATOMIC64_INIT(1); -+static atomic64_unchecked_t mnt_ns_seq = ATOMIC64_INIT(1); - - static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - { -@@ -2748,7 +2767,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - return ERR_PTR(ret); - } - new_ns->ns.ops = &mntns_operations; -- new_ns->seq = atomic64_add_return(1, &mnt_ns_seq); -+ new_ns->seq = atomic64_add_return_unchecked(1, &mnt_ns_seq); - atomic_set(&new_ns->count, 1); - new_ns->root = NULL; - INIT_LIST_HEAD(&new_ns->list); -@@ -2758,7 +2777,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - return new_ns; - } - --struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, -+__latent_entropy struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, - struct user_namespace *user_ns, struct fs_struct *new_fs) - { - struct mnt_namespace *new_ns; -@@ -2879,8 +2898,8 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) - } - EXPORT_SYMBOL(mount_subtree); - --SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name, -- char __user *, type, unsigned long, flags, void __user *, data) -+SYSCALL_DEFINE5(mount, const char __user *, dev_name, const char __user *, dir_name, -+ const char __user *, type, unsigned long, flags, void __user *, data) - { - int ret; - char *kernel_type; -@@ -2986,6 +3005,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, - if (error) - goto out2; - -+ if (gr_handle_chroot_pivot()) { -+ error = -EPERM; -+ goto out2; -+ } -+ - get_fs_root(current->fs, &root); - old_mp = lock_mount(&old); - error = PTR_ERR(old_mp); -@@ -3287,7 +3311,7 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns) - !ns_capable(current_user_ns(), CAP_SYS_ADMIN)) - return -EPERM; - -- if (fs->users != 1) -+ if (atomic_read(&fs->users) != 1) - return -EINVAL; - - get_mnt_ns(mnt_ns); -diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c -index 19ca95c..b28702c 100644 ---- a/fs/nfs/callback_xdr.c -+++ b/fs/nfs/callback_xdr.c -@@ -51,7 +51,7 @@ struct callback_op { - callback_decode_arg_t decode_args; - callback_encode_res_t encode_res; - long res_maxsize; --}; -+} __do_const; - - static struct callback_op callback_ops[]; - -diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c -index 5d25b9d..765fc0f 100644 ---- a/fs/nfs/inode.c -+++ b/fs/nfs/inode.c -@@ -1277,16 +1277,16 @@ static int nfs_ctime_need_update(const struct inode *inode, const struct nfs_fat - return timespec_compare(&fattr->ctime, &inode->i_ctime) > 0; - } - --static atomic_long_t nfs_attr_generation_counter; -+static atomic_long_unchecked_t nfs_attr_generation_counter; - - static unsigned long nfs_read_attr_generation_counter(void) - { -- return atomic_long_read(&nfs_attr_generation_counter); -+ return atomic_long_read_unchecked(&nfs_attr_generation_counter); - } - - unsigned long nfs_inc_attr_generation_counter(void) - { -- return atomic_long_inc_return(&nfs_attr_generation_counter); -+ return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter); - } - EXPORT_SYMBOL_GPL(nfs_inc_attr_generation_counter); - -diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h -index 9e6475b..7970138 100644 ---- a/fs/nfs/internal.h -+++ b/fs/nfs/internal.h -@@ -296,6 +296,22 @@ extern struct rpc_procinfo nfs4_procedures[]; - - #ifdef CONFIG_NFS_V4_SECURITY_LABEL - extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags); -+static inline struct nfs4_label * -+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) -+{ -+ if (!dst || !src) -+ return NULL; -+ -+ if (src->len > NFS4_MAXLABELLEN) -+ return NULL; -+ -+ dst->lfs = src->lfs; -+ dst->pi = src->pi; -+ dst->len = src->len; -+ memcpy(dst->label, src->label, src->len); -+ -+ return dst; -+} - static inline void nfs4_label_free(struct nfs4_label *label) - { - if (label) { -@@ -316,6 +332,11 @@ static inline void nfs4_label_free(void *label) {} - static inline void nfs_zap_label_cache_locked(struct nfs_inode *nfsi) - { - } -+static inline struct nfs4_label * -+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) -+{ -+ return NULL; -+} - #endif /* CONFIG_NFS_V4_SECURITY_LABEL */ - - /* proc.c */ -diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c -index d3f2051..dd338dc 100644 ---- a/fs/nfs/nfs4proc.c -+++ b/fs/nfs/nfs4proc.c -@@ -916,6 +916,7 @@ struct nfs4_opendata { - struct nfs_open_confirmres c_res; - struct nfs4_string owner_name; - struct nfs4_string group_name; -+ struct nfs4_label *a_label; - struct nfs_fattr f_attr; - struct nfs4_label *f_label; - struct dentry *dir; -@@ -1019,6 +1020,10 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - if (IS_ERR(p->f_label)) - goto err_free_p; - -+ p->a_label = nfs4_label_alloc(server, gfp_mask); -+ if (IS_ERR(p->a_label)) -+ goto err_free_f; -+ - alloc_seqid = server->nfs_client->cl_mvops->alloc_seqid; - p->o_arg.seqid = alloc_seqid(&sp->so_seqid, gfp_mask); - if (IS_ERR(p->o_arg.seqid)) -@@ -1047,7 +1052,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - p->o_arg.server = server; - p->o_arg.bitmask = nfs4_bitmask(server, label); - p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; -- p->o_arg.label = label; -+ p->o_arg.label = nfs4_label_copy(p->a_label, label); - p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); - switch (p->o_arg.claim) { - case NFS4_OPEN_CLAIM_NULL: -@@ -1080,6 +1085,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - return p; - - err_free_label: -+ nfs4_label_free(p->a_label); -+err_free_f: - nfs4_label_free(p->f_label); - err_free_p: - kfree(p); -@@ -1099,6 +1106,7 @@ static void nfs4_opendata_free(struct kref *kref) - nfs4_put_open_state(p->state); - nfs4_put_state_owner(p->owner); - -+ nfs4_label_free(p->a_label); - nfs4_label_free(p->f_label); - - dput(p->dir); -diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c -index 864e200..357c255 100644 ---- a/fs/nfsd/nfs4proc.c -+++ b/fs/nfsd/nfs4proc.c -@@ -1496,7 +1496,7 @@ struct nfsd4_operation { - nfsd4op_rsize op_rsize_bop; - stateid_getter op_get_currentstateid; - stateid_setter op_set_currentstateid; --}; -+} __do_const; - - static struct nfsd4_operation nfsd4_ops[]; - -diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c -index d4d8445..36ae1a1 100644 ---- a/fs/nfsd/nfs4xdr.c -+++ b/fs/nfsd/nfs4xdr.c -@@ -1703,7 +1703,7 @@ nfsd4_decode_notsupp(struct nfsd4_compoundargs *argp, void *p) - - typedef __be32(*nfsd4_dec)(struct nfsd4_compoundargs *argp, void *); - --static nfsd4_dec nfsd4_dec_ops[] = { -+static const nfsd4_dec nfsd4_dec_ops[] = { - [OP_ACCESS] = (nfsd4_dec)nfsd4_decode_access, - [OP_CLOSE] = (nfsd4_dec)nfsd4_decode_close, - [OP_COMMIT] = (nfsd4_dec)nfsd4_decode_commit, -diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c -index 46ec934..f384e41 100644 ---- a/fs/nfsd/nfscache.c -+++ b/fs/nfsd/nfscache.c -@@ -541,7 +541,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - struct kvec *resv = &rqstp->rq_res.head[0], *cachv; - u32 hash; - struct nfsd_drc_bucket *b; -- int len; -+ long len; - size_t bufsize = 0; - - if (!rp) -@@ -550,11 +550,14 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - hash = nfsd_cache_hash(rp->c_xid); - b = &drc_hashtbl[hash]; - -- len = resv->iov_len - ((char*)statp - (char*)resv->iov_base); -- len >>= 2; -+ if (statp) { -+ len = (char*)statp - (char*)resv->iov_base; -+ len = resv->iov_len - len; -+ len >>= 2; -+ } - - /* Don't cache excessive amounts of data and XDR failures */ -- if (!statp || len > (256 >> 2)) { -+ if (!statp || len > (256 >> 2) || len < 0) { - nfsd_reply_cache_free(b, rp); - return; - } -@@ -562,7 +565,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - switch (cachetype) { - case RC_REPLSTAT: - if (len != 1) -- printk("nfsd: RC_REPLSTAT/reply len %d!\n",len); -+ printk("nfsd: RC_REPLSTAT/reply len %ld!\n",len); - rp->c_replstat = *statp; - break; - case RC_REPLBUFF: -diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c -index 84d770b..929bc5e 100644 ---- a/fs/nfsd/vfs.c -+++ b/fs/nfsd/vfs.c -@@ -893,7 +893,7 @@ __be32 nfsd_readv(struct file *file, loff_t offset, struct kvec *vec, int vlen, - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset); -+ host_err = vfs_readv(file, (struct iovec __force_user *)vec, vlen, &offset); - set_fs(oldfs); - return nfsd_finish_read(file, count, host_err); - } -@@ -980,7 +980,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, - - /* Write the data. */ - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &pos); -+ host_err = vfs_writev(file, (struct iovec __force_user *)vec, vlen, &pos); - set_fs(oldfs); - if (host_err < 0) - goto out_nfserr; -@@ -1525,7 +1525,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp) - */ - - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = inode->i_op->readlink(path.dentry, (char __user *)buf, *lenp); -+ host_err = inode->i_op->readlink(path.dentry, (char __force_user *)buf, *lenp); - set_fs(oldfs); - - if (host_err < 0) -diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c -index 52ccd34..7a6b202 100644 ---- a/fs/nls/nls_base.c -+++ b/fs/nls/nls_base.c -@@ -234,21 +234,25 @@ EXPORT_SYMBOL(utf16s_to_utf8s); - - int __register_nls(struct nls_table *nls, struct module *owner) - { -- struct nls_table ** tmp = &tables; -+ struct nls_table *tmp = tables; - - if (nls->next) - return -EBUSY; - -- nls->owner = owner; -+ pax_open_kernel(); -+ *(void **)&nls->owner = owner; -+ pax_close_kernel(); - spin_lock(&nls_lock); -- while (*tmp) { -- if (nls == *tmp) { -+ while (tmp) { -+ if (nls == tmp) { - spin_unlock(&nls_lock); - return -EBUSY; - } -- tmp = &(*tmp)->next; -+ tmp = tmp->next; - } -- nls->next = tables; -+ pax_open_kernel(); -+ *(struct nls_table **)&nls->next = tables; -+ pax_close_kernel(); - tables = nls; - spin_unlock(&nls_lock); - return 0; -@@ -257,12 +261,14 @@ EXPORT_SYMBOL(__register_nls); - - int unregister_nls(struct nls_table * nls) - { -- struct nls_table ** tmp = &tables; -+ struct nls_table * const * tmp = &tables; - - spin_lock(&nls_lock); - while (*tmp) { - if (nls == *tmp) { -- *tmp = nls->next; -+ pax_open_kernel(); -+ *(struct nls_table **)tmp = nls->next; -+ pax_close_kernel(); - spin_unlock(&nls_lock); - return 0; - } -@@ -272,7 +278,7 @@ int unregister_nls(struct nls_table * nls) - return -EINVAL; - } - --static struct nls_table *find_nls(char *charset) -+static struct nls_table *find_nls(const char *charset) - { - struct nls_table *nls; - spin_lock(&nls_lock); -@@ -288,7 +294,7 @@ static struct nls_table *find_nls(char *charset) - return nls; - } - --struct nls_table *load_nls(char *charset) -+struct nls_table *load_nls(const char *charset) - { - return try_then_request_module(find_nls(charset), "nls_%s", charset); - } -diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c -index 162b3f1..6076a7c 100644 ---- a/fs/nls/nls_euc-jp.c -+++ b/fs/nls/nls_euc-jp.c -@@ -560,8 +560,10 @@ static int __init init_nls_euc_jp(void) - p_nls = load_nls("cp932"); - - if (p_nls) { -- table.charset2upper = p_nls->charset2upper; -- table.charset2lower = p_nls->charset2lower; -+ pax_open_kernel(); -+ *(const unsigned char **)&table.charset2upper = p_nls->charset2upper; -+ *(const unsigned char **)&table.charset2lower = p_nls->charset2lower; -+ pax_close_kernel(); - return register_nls(&table); - } - -diff --git a/fs/nls/nls_koi8-ru.c b/fs/nls/nls_koi8-ru.c -index a80a741..7b96e1b 100644 ---- a/fs/nls/nls_koi8-ru.c -+++ b/fs/nls/nls_koi8-ru.c -@@ -62,8 +62,10 @@ static int __init init_nls_koi8_ru(void) - p_nls = load_nls("koi8-u"); - - if (p_nls) { -- table.charset2upper = p_nls->charset2upper; -- table.charset2lower = p_nls->charset2lower; -+ pax_open_kernel(); -+ *(const unsigned char **)&table.charset2upper = p_nls->charset2upper; -+ *(const unsigned char **)&table.charset2lower = p_nls->charset2lower; -+ pax_close_kernel(); - return register_nls(&table); - } - -diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c -index cf27550..6c70f29d 100644 ---- a/fs/notify/fanotify/fanotify_user.c -+++ b/fs/notify/fanotify/fanotify_user.c -@@ -216,8 +216,8 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group, - - fd = fanotify_event_metadata.fd; - ret = -EFAULT; -- if (copy_to_user(buf, &fanotify_event_metadata, -- fanotify_event_metadata.event_len)) -+ if (fanotify_event_metadata.event_len > sizeof fanotify_event_metadata || -+ copy_to_user(buf, &fanotify_event_metadata, fanotify_event_metadata.event_len)) - goto out_close_fd; - - #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS -diff --git a/fs/notify/notification.c b/fs/notify/notification.c -index a95d8e0..a91a5fd 100644 ---- a/fs/notify/notification.c -+++ b/fs/notify/notification.c -@@ -48,7 +48,7 @@ - #include <linux/fsnotify_backend.h> - #include "fsnotify.h" - --static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0); -+static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0); - - /** - * fsnotify_get_cookie - return a unique cookie for use in synchronizing events. -@@ -56,7 +56,7 @@ static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0); - */ - u32 fsnotify_get_cookie(void) - { -- return atomic_inc_return(&fsnotify_sync_cookie); -+ return atomic_inc_return_unchecked(&fsnotify_sync_cookie); - } - EXPORT_SYMBOL_GPL(fsnotify_get_cookie); - -diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c -index 9e38daf..5727cae 100644 ---- a/fs/ntfs/dir.c -+++ b/fs/ntfs/dir.c -@@ -1310,7 +1310,7 @@ find_next_index_buffer: - ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK & - ~(s64)(ndir->itype.index.block_size - 1))); - /* Bounds checks. */ -- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { -+ if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { - ntfs_error(sb, "Out of bounds check failed. Corrupt directory " - "inode 0x%lx or driver bug.", vdir->i_ino); - goto err_out; -diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c -index 9e1e112..241a52a 100644 ---- a/fs/ntfs/super.c -+++ b/fs/ntfs/super.c -@@ -688,7 +688,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - if (!silent) - ntfs_error(sb, "Primary boot sector is invalid."); - } else if (!silent) -- ntfs_error(sb, read_err_str, "primary"); -+ ntfs_error(sb, read_err_str, "%s", "primary"); - if (!(NTFS_SB(sb)->on_errors & ON_ERRORS_RECOVER)) { - if (bh_primary) - brelse(bh_primary); -@@ -704,7 +704,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - goto hotfix_primary_boot_sector; - brelse(bh_backup); - } else if (!silent) -- ntfs_error(sb, read_err_str, "backup"); -+ ntfs_error(sb, read_err_str, "%s", "backup"); - /* Try to read NT3.51- backup boot sector. */ - if ((bh_backup = sb_bread(sb, nr_blocks >> 1))) { - if (is_boot_sector_ntfs(sb, (NTFS_BOOT_SECTOR*) -@@ -715,7 +715,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - "sector."); - brelse(bh_backup); - } else if (!silent) -- ntfs_error(sb, read_err_str, "backup"); -+ ntfs_error(sb, read_err_str, "%s", "backup"); - /* We failed. Cleanup and return. */ - if (bh_primary) - brelse(bh_primary); -diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c -index 857bbbc..3c47d15 100644 ---- a/fs/ocfs2/localalloc.c -+++ b/fs/ocfs2/localalloc.c -@@ -1320,7 +1320,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, - goto bail; - } - -- atomic_inc(&osb->alloc_stats.moves); -+ atomic_inc_unchecked(&osb->alloc_stats.moves); - - bail: - if (handle) -diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h -index 460c6c3..b4ef513 100644 ---- a/fs/ocfs2/ocfs2.h -+++ b/fs/ocfs2/ocfs2.h -@@ -247,11 +247,11 @@ enum ocfs2_vol_state - - struct ocfs2_alloc_stats - { -- atomic_t moves; -- atomic_t local_data; -- atomic_t bitmap_data; -- atomic_t bg_allocs; -- atomic_t bg_extends; -+ atomic_unchecked_t moves; -+ atomic_unchecked_t local_data; -+ atomic_unchecked_t bitmap_data; -+ atomic_unchecked_t bg_allocs; -+ atomic_unchecked_t bg_extends; - }; - - enum ocfs2_local_alloc_state -diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c -index 4479029..5de740b 100644 ---- a/fs/ocfs2/suballoc.c -+++ b/fs/ocfs2/suballoc.c -@@ -867,7 +867,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, - mlog_errno(status); - goto bail; - } -- atomic_inc(&osb->alloc_stats.bg_extends); -+ atomic_inc_unchecked(&osb->alloc_stats.bg_extends); - - /* You should never ask for this much metadata */ - BUG_ON(bits_wanted > -@@ -2014,7 +2014,7 @@ int ocfs2_claim_metadata(handle_t *handle, - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - *suballoc_loc = res.sr_bg_blkno; - *suballoc_bit_start = res.sr_bit_offset; -@@ -2180,7 +2180,7 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle, - trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno, - res->sr_bits); - -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res->sr_bits != 1); - -@@ -2222,7 +2222,7 @@ int ocfs2_claim_new_inode(handle_t *handle, - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res.sr_bits != 1); - -@@ -2326,7 +2326,7 @@ int __ocfs2_claim_clusters(handle_t *handle, - cluster_start, - num_clusters); - if (!status) -- atomic_inc(&osb->alloc_stats.local_data); -+ atomic_inc_unchecked(&osb->alloc_stats.local_data); - } else { - if (min_clusters > (osb->bitmap_cpg - 1)) { - /* The only paths asking for contiguousness -@@ -2352,7 +2352,7 @@ int __ocfs2_claim_clusters(handle_t *handle, - ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, - res.sr_bg_blkno, - res.sr_bit_offset); -- atomic_inc(&osb->alloc_stats.bitmap_data); -+ atomic_inc_unchecked(&osb->alloc_stats.bitmap_data); - *num_clusters = res.sr_bits; - } - } -diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c -index 403c566..6525b35 100644 ---- a/fs/ocfs2/super.c -+++ b/fs/ocfs2/super.c -@@ -308,11 +308,11 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len) - "%10s => GlobalAllocs: %d LocalAllocs: %d " - "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n", - "Stats", -- atomic_read(&osb->alloc_stats.bitmap_data), -- atomic_read(&osb->alloc_stats.local_data), -- atomic_read(&osb->alloc_stats.bg_allocs), -- atomic_read(&osb->alloc_stats.moves), -- atomic_read(&osb->alloc_stats.bg_extends)); -+ atomic_read_unchecked(&osb->alloc_stats.bitmap_data), -+ atomic_read_unchecked(&osb->alloc_stats.local_data), -+ atomic_read_unchecked(&osb->alloc_stats.bg_allocs), -+ atomic_read_unchecked(&osb->alloc_stats.moves), -+ atomic_read_unchecked(&osb->alloc_stats.bg_extends)); - - out += snprintf(buf + out, len - out, - "%10s => State: %u Descriptor: %llu Size: %u bits " -@@ -2095,11 +2095,11 @@ static int ocfs2_initialize_super(struct super_block *sb, - - mutex_init(&osb->system_file_mutex); - -- atomic_set(&osb->alloc_stats.moves, 0); -- atomic_set(&osb->alloc_stats.local_data, 0); -- atomic_set(&osb->alloc_stats.bitmap_data, 0); -- atomic_set(&osb->alloc_stats.bg_allocs, 0); -- atomic_set(&osb->alloc_stats.bg_extends, 0); -+ atomic_set_unchecked(&osb->alloc_stats.moves, 0); -+ atomic_set_unchecked(&osb->alloc_stats.local_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0); - - /* Copy the blockcheck stats from the superblock probe */ - osb->osb_ecc_stats = *stats; -diff --git a/fs/open.c b/fs/open.c -index 98e5a52..8e77e14 100644 ---- a/fs/open.c -+++ b/fs/open.c -@@ -32,6 +32,8 @@ - #include <linux/dnotify.h> - #include <linux/compat.h> - -+#define CREATE_TRACE_POINTS -+#include <trace/events/fs.h> - #include "internal.h" - - int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs, -@@ -103,6 +105,8 @@ long vfs_truncate(struct path *path, loff_t length) - error = locks_verify_truncate(inode, NULL, length); - if (!error) - error = security_path_truncate(path); -+ if (!error && !gr_acl_handle_truncate(path->dentry, path->mnt)) -+ error = -EACCES; - if (!error) - error = do_truncate(path->dentry, length, 0, NULL); - -@@ -187,6 +191,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) - error = locks_verify_truncate(inode, f.file, length); - if (!error) - error = security_path_truncate(&f.file->f_path); -+ if (!error && !gr_acl_handle_truncate(f.file->f_path.dentry, f.file->f_path.mnt)) -+ error = -EACCES; - if (!error) - error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file); - sb_end_write(inode->i_sb); -@@ -396,6 +402,9 @@ retry: - if (__mnt_is_readonly(path.mnt)) - res = -EROFS; - -+ if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode)) -+ res = -EACCES; -+ - out_path_release: - path_put(&path); - if (retry_estale(res, lookup_flags)) { -@@ -427,6 +436,8 @@ retry: - if (error) - goto dput_and_out; - -+ gr_log_chdir(path.dentry, path.mnt); -+ - set_fs_pwd(current->fs, &path); - - dput_and_out: -@@ -456,6 +467,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd) - goto out_putf; - - error = inode_permission(inode, MAY_EXEC | MAY_CHDIR); -+ -+ if (!error && !gr_chroot_fchdir(f.file->f_path.dentry, f.file->f_path.mnt)) -+ error = -EPERM; -+ -+ if (!error) -+ gr_log_chdir(f.file->f_path.dentry, f.file->f_path.mnt); -+ - if (!error) - set_fs_pwd(current->fs, &f.file->f_path); - out_putf: -@@ -485,7 +503,13 @@ retry: - if (error) - goto dput_and_out; - -+ if (gr_handle_chroot_chroot(path.dentry, path.mnt)) -+ goto dput_and_out; -+ - set_fs_root(current->fs, &path); -+ -+ gr_handle_chroot_chdir(&path); -+ - error = 0; - dput_and_out: - path_put(&path); -@@ -509,6 +533,16 @@ static int chmod_common(struct path *path, umode_t mode) - return error; - retry_deleg: - mutex_lock(&inode->i_mutex); -+ -+ if (!gr_acl_handle_chmod(path->dentry, path->mnt, &mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ if (gr_handle_chroot_chmod(path->dentry, path->mnt, mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ - error = security_path_chmod(path, mode); - if (error) - goto out_unlock; -@@ -574,6 +608,9 @@ static int chown_common(struct path *path, uid_t user, gid_t group) - uid = make_kuid(current_user_ns(), user); - gid = make_kgid(current_user_ns(), group); - -+ if (!gr_acl_handle_chown(path->dentry, path->mnt)) -+ return -EACCES; -+ - retry_deleg: - newattrs.ia_valid = ATTR_CTIME; - if (user != (uid_t) -1) { -@@ -1018,6 +1055,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) - } else { - fsnotify_open(f); - fd_install(fd, f); -+ trace_do_sys_open(tmp->name, flags, mode); - } - } - putname(tmp); -diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c -index 04f1248..60b3be1 100644 ---- a/fs/overlayfs/inode.c -+++ b/fs/overlayfs/inode.c -@@ -344,6 +344,9 @@ static int ovl_dentry_open(struct dentry *dentry, struct file *file, - enum ovl_path_type type; - bool want_write = false; - -+ if (d_is_dir(dentry)) -+ return d_backing_inode(dentry); -+ - type = ovl_path_real(dentry, &realpath); - if (ovl_open_need_copy_up(file->f_flags, type, realpath.dentry)) { - want_write = true; -diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c -index bf8537c..c16ef7d 100644 ---- a/fs/overlayfs/super.c -+++ b/fs/overlayfs/super.c -@@ -172,7 +172,7 @@ void ovl_path_lower(struct dentry *dentry, struct path *path) - { - struct ovl_entry *oe = dentry->d_fsdata; - -- *path = oe->numlower ? oe->lowerstack[0] : (struct path) { NULL, NULL }; -+ *path = oe->numlower ? oe->lowerstack[0] : (struct path) { .dentry = NULL, .mnt = NULL }; - } - - int ovl_want_write(struct dentry *dentry) -@@ -816,8 +816,8 @@ static unsigned int ovl_split_lowerdirs(char *str) - - static int ovl_fill_super(struct super_block *sb, void *data, int silent) - { -- struct path upperpath = { NULL, NULL }; -- struct path workpath = { NULL, NULL }; -+ struct path upperpath = { .dentry = NULL, .mnt = NULL }; -+ struct path workpath = { .dentry = NULL, .mnt = NULL }; - struct dentry *root_dentry; - struct ovl_entry *oe; - struct ovl_fs *ufs; -diff --git a/fs/pipe.c b/fs/pipe.c -index 8865f79..bd2c79b 100644 ---- a/fs/pipe.c -+++ b/fs/pipe.c -@@ -36,7 +36,7 @@ unsigned int pipe_max_size = 1048576; - /* - * Minimum pipe size, as required by POSIX - */ --unsigned int pipe_min_size = PAGE_SIZE; -+unsigned int pipe_min_size __read_only = PAGE_SIZE; - - /* - * We use a start+len construction, which provides full use of the -@@ -55,7 +55,7 @@ unsigned int pipe_min_size = PAGE_SIZE; - - static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass) - { -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - mutex_lock_nested(&pipe->mutex, subclass); - } - -@@ -70,7 +70,7 @@ EXPORT_SYMBOL(pipe_lock); - - void pipe_unlock(struct pipe_inode_info *pipe) - { -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - mutex_unlock(&pipe->mutex); - } - EXPORT_SYMBOL(pipe_unlock); -@@ -291,9 +291,9 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to) - } - if (bufs) /* More to do? */ - continue; -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - /* syscall merging: Usually we must not sleep - * if O_NONBLOCK is set, or if we got some data. - * But if a writer sleeps in kernel space, then -@@ -350,7 +350,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - - __pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - goto out; -@@ -386,7 +386,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - for (;;) { - int bufs; - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -454,9 +454,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - do_wakeup = 0; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - out: - __pipe_unlock(pipe); -@@ -511,7 +511,7 @@ pipe_poll(struct file *filp, poll_table *wait) - mask = 0; - if (filp->f_mode & FMODE_READ) { - mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0; -- if (!pipe->writers && filp->f_version != pipe->w_counter) -+ if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter) - mask |= POLLHUP; - } - -@@ -521,7 +521,7 @@ pipe_poll(struct file *filp, poll_table *wait) - * Most Unices do not set POLLERR for FIFOs but on Linux they - * behave exactly like pipes for poll(). - */ -- if (!pipe->readers) -+ if (!atomic_read(&pipe->readers)) - mask |= POLLERR; - } - -@@ -533,7 +533,7 @@ static void put_pipe_info(struct inode *inode, struct pipe_inode_info *pipe) - int kill = 0; - - spin_lock(&inode->i_lock); -- if (!--pipe->files) { -+ if (atomic_dec_and_test(&pipe->files)) { - inode->i_pipe = NULL; - kill = 1; - } -@@ -550,11 +550,11 @@ pipe_release(struct inode *inode, struct file *file) - - __pipe_lock(pipe); - if (file->f_mode & FMODE_READ) -- pipe->readers--; -+ atomic_dec(&pipe->readers); - if (file->f_mode & FMODE_WRITE) -- pipe->writers--; -+ atomic_dec(&pipe->writers); - -- if (pipe->readers || pipe->writers) { -+ if (atomic_read(&pipe->readers) || atomic_read(&pipe->writers)) { - wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP); - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); -@@ -619,7 +619,7 @@ void free_pipe_info(struct pipe_inode_info *pipe) - kfree(pipe); - } - --static struct vfsmount *pipe_mnt __read_mostly; -+struct vfsmount *pipe_mnt __read_mostly; - - /* - * pipefs_dname() is called from d_path(). -@@ -649,8 +649,9 @@ static struct inode * get_pipe_inode(void) - goto fail_iput; - - inode->i_pipe = pipe; -- pipe->files = 2; -- pipe->readers = pipe->writers = 1; -+ atomic_set(&pipe->files, 2); -+ atomic_set(&pipe->readers, 1); -+ atomic_set(&pipe->writers, 1); - inode->i_fop = &pipefifo_fops; - - /* -@@ -829,17 +830,17 @@ static int fifo_open(struct inode *inode, struct file *filp) - spin_lock(&inode->i_lock); - if (inode->i_pipe) { - pipe = inode->i_pipe; -- pipe->files++; -+ atomic_inc(&pipe->files); - spin_unlock(&inode->i_lock); - } else { - spin_unlock(&inode->i_lock); - pipe = alloc_pipe_info(); - if (!pipe) - return -ENOMEM; -- pipe->files = 1; -+ atomic_set(&pipe->files, 1); - spin_lock(&inode->i_lock); - if (unlikely(inode->i_pipe)) { -- inode->i_pipe->files++; -+ atomic_inc(&inode->i_pipe->files); - spin_unlock(&inode->i_lock); - free_pipe_info(pipe); - pipe = inode->i_pipe; -@@ -864,10 +865,10 @@ static int fifo_open(struct inode *inode, struct file *filp) - * opened, even when there is no process writing the FIFO. - */ - pipe->r_counter++; -- if (pipe->readers++ == 0) -+ if (atomic_inc_return(&pipe->readers) == 1) - wake_up_partner(pipe); - -- if (!is_pipe && !pipe->writers) { -+ if (!is_pipe && !atomic_read(&pipe->writers)) { - if ((filp->f_flags & O_NONBLOCK)) { - /* suppress POLLHUP until we have - * seen a writer */ -@@ -886,14 +887,14 @@ static int fifo_open(struct inode *inode, struct file *filp) - * errno=ENXIO when there is no process reading the FIFO. - */ - ret = -ENXIO; -- if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers) -+ if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers)) - goto err; - - pipe->w_counter++; -- if (!pipe->writers++) -+ if (atomic_inc_return(&pipe->writers) == 1) - wake_up_partner(pipe); - -- if (!is_pipe && !pipe->readers) { -+ if (!is_pipe && !atomic_read(&pipe->readers)) { - if (wait_for_partner(pipe, &pipe->r_counter)) - goto err_wr; - } -@@ -907,11 +908,11 @@ static int fifo_open(struct inode *inode, struct file *filp) - * the process can at least talk to itself. - */ - -- pipe->readers++; -- pipe->writers++; -+ atomic_inc(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe->r_counter++; - pipe->w_counter++; -- if (pipe->readers == 1 || pipe->writers == 1) -+ if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1) - wake_up_partner(pipe); - break; - -@@ -925,13 +926,13 @@ static int fifo_open(struct inode *inode, struct file *filp) - return 0; - - err_rd: -- if (!--pipe->readers) -+ if (atomic_dec_and_test(&pipe->readers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; - - err_wr: -- if (!--pipe->writers) -+ if (atomic_dec_and_test(&pipe->writers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; -@@ -1007,7 +1008,7 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages) - * Currently we rely on the pipe array holding a power-of-2 number - * of pages. - */ --static inline unsigned int round_pipe_size(unsigned int size) -+static inline unsigned long round_pipe_size(unsigned long size) - { - unsigned long nr_pages; - -@@ -1055,13 +1056,16 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) - - switch (cmd) { - case F_SETPIPE_SZ: { -- unsigned int size, nr_pages; -+ unsigned long size, nr_pages; -+ -+ ret = -EINVAL; -+ if (arg < pipe_min_size) -+ goto out; - - size = round_pipe_size(arg); - nr_pages = size >> PAGE_SHIFT; - -- ret = -EINVAL; -- if (!nr_pages) -+ if (size < pipe_min_size) - goto out; - - if (!capable(CAP_SYS_RESOURCE) && size > pipe_max_size) { -diff --git a/fs/posix_acl.c b/fs/posix_acl.c -index 84bb65b8..4270e47 100644 ---- a/fs/posix_acl.c -+++ b/fs/posix_acl.c -@@ -20,6 +20,7 @@ - #include <linux/xattr.h> - #include <linux/export.h> - #include <linux/user_namespace.h> -+#include <linux/grsecurity.h> - - struct posix_acl **acl_by_type(struct inode *inode, int type) - { -@@ -277,7 +278,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p) - } - } - if (mode_p) -- *mode_p = (*mode_p & ~S_IRWXUGO) | mode; -+ *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask(); - return not_equiv; - } - EXPORT_SYMBOL(posix_acl_equiv_mode); -@@ -427,7 +428,7 @@ static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p) - mode &= (group_obj->e_perm << 3) | ~S_IRWXG; - } - -- *mode_p = (*mode_p & ~S_IRWXUGO) | mode; -+ *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask(); - return not_equiv; - } - -@@ -485,6 +486,8 @@ __posix_acl_create(struct posix_acl **acl, gfp_t gfp, umode_t *mode_p) - struct posix_acl *clone = posix_acl_clone(*acl, gfp); - int err = -ENOMEM; - if (clone) { -+ *mode_p &= ~gr_acl_umask(); -+ - err = posix_acl_create_masq(clone, mode_p); - if (err < 0) { - posix_acl_release(clone); -@@ -663,11 +666,12 @@ struct posix_acl * - posix_acl_from_xattr(struct user_namespace *user_ns, - const void *value, size_t size) - { -- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value; -- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end; -+ const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value; -+ const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end; - int count; - struct posix_acl *acl; - struct posix_acl_entry *acl_e; -+ umode_t umask = gr_acl_umask(); - - if (!value) - return NULL; -@@ -693,12 +697,18 @@ posix_acl_from_xattr(struct user_namespace *user_ns, - - switch(acl_e->e_tag) { - case ACL_USER_OBJ: -+ acl_e->e_perm &= ~((umask & S_IRWXU) >> 6); -+ break; - case ACL_GROUP_OBJ: - case ACL_MASK: -+ acl_e->e_perm &= ~((umask & S_IRWXG) >> 3); -+ break; - case ACL_OTHER: -+ acl_e->e_perm &= ~(umask & S_IRWXO); - break; - - case ACL_USER: -+ acl_e->e_perm &= ~((umask & S_IRWXU) >> 6); - acl_e->e_uid = - make_kuid(user_ns, - le32_to_cpu(entry->e_id)); -@@ -706,6 +716,7 @@ posix_acl_from_xattr(struct user_namespace *user_ns, - goto fail; - break; - case ACL_GROUP: -+ acl_e->e_perm &= ~((umask & S_IRWXG) >> 3); - acl_e->e_gid = - make_kgid(user_ns, - le32_to_cpu(entry->e_id)); -diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig -index 2183fcf..3c32a98 100644 ---- a/fs/proc/Kconfig -+++ b/fs/proc/Kconfig -@@ -30,7 +30,7 @@ config PROC_FS - - config PROC_KCORE - bool "/proc/kcore support" if !ARM -- depends on PROC_FS && MMU -+ depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD - help - Provides a virtual ELF core file of the live kernel. This can - be read with gdb and other ELF tools. No modifications can be -@@ -38,8 +38,8 @@ config PROC_KCORE - - config PROC_VMCORE - bool "/proc/vmcore support" -- depends on PROC_FS && CRASH_DUMP -- default y -+ depends on PROC_FS && CRASH_DUMP && !GRKERNSEC -+ default n - help - Exports the dump image of crashed kernel in ELF format. - -@@ -63,8 +63,8 @@ config PROC_SYSCTL - limited in memory. - - config PROC_PAGE_MONITOR -- default y -- depends on PROC_FS && MMU -+ default n -+ depends on PROC_FS && MMU && !GRKERNSEC - bool "Enable /proc page monitoring" if EXPERT - help - Various /proc files exist to monitor process memory utilization: -diff --git a/fs/proc/array.c b/fs/proc/array.c -index fd02a9e..7bc9dff 100644 ---- a/fs/proc/array.c -+++ b/fs/proc/array.c -@@ -60,6 +60,7 @@ - #include <linux/tty.h> - #include <linux/string.h> - #include <linux/mman.h> -+#include <linux/grsecurity.h> - #include <linux/proc_fs.h> - #include <linux/ioport.h> - #include <linux/uaccess.h> -@@ -340,6 +341,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task) - cpumask_pr_args(&task->cpus_allowed)); - } - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline void task_pax(struct seq_file *m, struct task_struct *p) -+{ -+ if (p->mm) -+ seq_printf(m, "PaX:\t%c%c%c%c%c\n", -+ p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p', -+ p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e', -+ p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm', -+ p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r', -+ p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's'); -+ else -+ seq_printf(m, "PaX:\t-----\n"); -+} -+#endif -+ - int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { -@@ -358,9 +374,24 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, - task_cpus_allowed(m, task); - cpuset_task_status_allowed(m, task); - task_context_switch_counts(m, task); -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ task_pax(m, task); -+#endif -+ -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ task_grsec_rbac(m, task); -+#endif -+ - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task, int whole) - { -@@ -382,6 +413,13 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - char tcomm[sizeof(task->comm)]; - unsigned long flags; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("stat"); -+ return 0; -+ } -+#endif -+ - state = *get_task_state(task); - vsize = eip = esp = 0; - permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT); -@@ -452,6 +490,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - gtime = task_gtime(task); - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (PAX_RAND_FLAGS(mm)) { -+ eip = 0; -+ esp = 0; -+ wchan = 0; -+ } -+#endif -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ wchan = 0; -+ eip =0; -+ esp =0; -+#endif -+ - /* scale priority and nice values from timeslices to -20..20 */ - /* to make it look like a "normal" Unix priority/nice value */ - priority = task_prio(task); -@@ -483,9 +534,15 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - seq_put_decimal_ull(m, ' ', vsize); - seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0); - seq_put_decimal_ull(m, ' ', rsslim); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0)); -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0)); -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0)); -+#else - seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0); - seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0); - seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0); -+#endif - seq_put_decimal_ull(m, ' ', esp); - seq_put_decimal_ull(m, ' ', eip); - /* The signal information here is obsolete. -@@ -507,7 +564,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime)); - seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime)); - -- if (mm && permitted) { -+ if (mm && permitted -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ && !PAX_RAND_FLAGS(mm) -+#endif -+ ) { - seq_put_decimal_ull(m, ' ', mm->start_data); - seq_put_decimal_ull(m, ' ', mm->end_data); - seq_put_decimal_ull(m, ' ', mm->start_brk); -@@ -545,8 +606,15 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { - unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0; -- struct mm_struct *mm = get_task_mm(task); -+ struct mm_struct *mm; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("statm"); -+ return 0; -+ } -+#endif -+ mm = get_task_mm(task); - if (mm) { - size = task_statm(mm, &shared, &text, &data, &resident); - mmput(mm); -@@ -569,6 +637,20 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+int proc_pid_ipaddr(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) -+{ -+ unsigned long flags; -+ u32 curr_ip = 0; -+ -+ if (lock_task_sighand(task, &flags)) { -+ curr_ip = task->signal->curr_ip; -+ unlock_task_sighand(task, &flags); -+ } -+ return seq_printf(m, "%pI4\n", &curr_ip); -+} -+#endif -+ - #ifdef CONFIG_CHECKPOINT_RESTORE - static struct pid * - get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos) -diff --git a/fs/proc/base.c b/fs/proc/base.c -index 093ca14..322f097 100644 ---- a/fs/proc/base.c -+++ b/fs/proc/base.c -@@ -113,6 +113,14 @@ struct pid_entry { - union proc_op op; - }; - -+struct getdents_callback { -+ struct linux_dirent __user * current_dir; -+ struct linux_dirent __user * previous; -+ struct file * file; -+ int count; -+ int error; -+}; -+ - #define NOD(NAME, MODE, IOP, FOP, OP) { \ - .name = (NAME), \ - .len = sizeof(NAME) - 1, \ -@@ -208,12 +216,28 @@ static int proc_pid_cmdline(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { - struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ); - if (mm && !IS_ERR(mm)) { - unsigned int nwords = 0; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* allow if we're currently ptracing this task */ -+ if (PAX_RAND_FLAGS(mm) && -+ (!(task->ptrace & PT_PTRACED) || (task->parent != current))) { -+ mmput(mm); -+ return 0; -+ } -+#endif -+ - do { - nwords += 2; - } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ -@@ -225,7 +249,7 @@ static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns, - } - - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* - * Provides a wchan file via kallsyms in a proper one-value-per-file format. - * Returns the resolved symbol. If that fails, simply return the address. -@@ -267,7 +291,7 @@ static void unlock_trace(struct task_struct *task) - mutex_unlock(&task->signal->cred_guard_mutex); - } - --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - - #define MAX_STACK_TRACE_DEPTH 64 - -@@ -462,7 +486,7 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { -@@ -495,7 +519,7 @@ static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns, - /************************************************************************/ - - /* permission checks */ --static int proc_fd_access_allowed(struct inode *inode) -+static int proc_fd_access_allowed(struct inode *inode, unsigned int log) - { - struct task_struct *task; - int allowed = 0; -@@ -505,7 +529,10 @@ static int proc_fd_access_allowed(struct inode *inode) - */ - task = get_proc_task(inode); - if (task) { -- allowed = ptrace_may_access(task, PTRACE_MODE_READ); -+ if (log) -+ allowed = ptrace_may_access(task, PTRACE_MODE_READ); -+ else -+ allowed = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT); - put_task_struct(task); - } - return allowed; -@@ -536,10 +563,35 @@ static bool has_pid_permissions(struct pid_namespace *pid, - struct task_struct *task, - int hide_pid_min) - { -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ return false; -+ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ rcu_read_lock(); -+ { -+ const struct cred *tmpcred = current_cred(); -+ const struct cred *cred = __task_cred(task); -+ -+ if (uid_eq(tmpcred->uid, GLOBAL_ROOT_UID) || uid_eq(tmpcred->uid, cred->uid) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ || in_group_p(grsec_proc_gid) -+#endif -+ ) { -+ rcu_read_unlock(); -+ return true; -+ } -+ } -+ rcu_read_unlock(); -+ -+ if (!pid->hide_pid) -+ return false; -+#endif -+ - if (pid->hide_pid < hide_pid_min) - return true; - if (in_group_p(pid->pid_gid)) - return true; -+ - return ptrace_may_access(task, PTRACE_MODE_READ); - } - -@@ -557,7 +609,11 @@ static int proc_pid_permission(struct inode *inode, int mask) - put_task_struct(task); - - if (!has_perms) { -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ { -+#else - if (pid->hide_pid == 2) { -+#endif - /* - * Let's make getdents(), stat(), and open() - * consistent with each other. If a process -@@ -618,6 +674,10 @@ struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode) - - if (task) { - mm = mm_access(task, mode); -+ if (!IS_ERR_OR_NULL(mm) && gr_acl_handle_procpidmem(task)) { -+ mmput(mm); -+ mm = ERR_PTR(-EPERM); -+ } - put_task_struct(task); - - if (!IS_ERR_OR_NULL(mm)) { -@@ -639,6 +699,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode) - return PTR_ERR(mm); - - file->private_data = mm; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ file->f_version = current->exec_id; -+#endif -+ - return 0; - } - -@@ -660,6 +725,17 @@ static ssize_t mem_rw(struct file *file, char __user *buf, - ssize_t copied; - char *page; - -+#ifdef CONFIG_GRKERNSEC -+ if (write) -+ return -EPERM; -+#endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (file->f_version != current->exec_id) { -+ gr_log_badprocpid("mem"); -+ return 0; -+ } -+#endif -+ - if (!mm) - return 0; - -@@ -672,7 +748,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf, - goto free; - - while (count > 0) { -- int this_len = min_t(int, count, PAGE_SIZE); -+ ssize_t this_len = min_t(ssize_t, count, PAGE_SIZE); - - if (write && copy_from_user(page, buf, this_len)) { - copied = -EFAULT; -@@ -764,6 +840,13 @@ static ssize_t environ_read(struct file *file, char __user *buf, - if (!mm) - return 0; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (file->f_version != current->exec_id) { -+ gr_log_badprocpid("environ"); -+ return 0; -+ } -+#endif -+ - page = (char *)__get_free_page(GFP_TEMPORARY); - if (!page) - return -ENOMEM; -@@ -773,7 +856,7 @@ static ssize_t environ_read(struct file *file, char __user *buf, - goto free; - while (count > 0) { - size_t this_len, max_len; -- int retval; -+ ssize_t retval; - - if (src >= (mm->env_end - mm->env_start)) - break; -@@ -1387,7 +1470,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd) - int error = -EACCES; - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -+ if (!proc_fd_access_allowed(inode, 0)) - goto out; - - error = PROC_I(inode)->op.proc_get_link(dentry, &path); -@@ -1431,8 +1514,18 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b - struct path path; - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -- goto out; -+ /* logging this is needed for learning on chromium to work properly, -+ but we don't want to flood the logs from 'ps' which does a readlink -+ on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn -+ CAP_SYS_PTRACE as it's not necessary for its basic functionality -+ */ -+ if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') { -+ if (!proc_fd_access_allowed(inode,0)) -+ goto out; -+ } else { -+ if (!proc_fd_access_allowed(inode,1)) -+ goto out; -+ } - - error = PROC_I(inode)->op.proc_get_link(dentry, &path); - if (error) -@@ -1482,7 +1575,11 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } - security_task_to_inode(task, inode); -@@ -1518,10 +1615,19 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) - return -ENOENT; - } - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { - cred = __task_cred(task); - stat->uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ stat->gid = grsec_proc_gid; -+#else - stat->gid = cred->egid; -+#endif - } - } - rcu_read_unlock(); -@@ -1559,11 +1665,20 @@ int pid_revalidate(struct dentry *dentry, unsigned int flags) - - if (task) { - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } else { - inode->i_uid = GLOBAL_ROOT_UID; -@@ -2095,6 +2210,9 @@ static struct dentry *proc_pident_lookup(struct inode *dir, - if (!task) - goto out_no_task; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - /* - * Yes, it does not scale. And it should not. Don't add - * new entries into /proc/<tgid>/ without very good reasons. -@@ -2125,6 +2243,9 @@ static int proc_pident_readdir(struct file *file, struct dir_context *ctx, - if (!task) - return -ENOENT; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - if (!dir_emit_dots(file, ctx)) - goto out; - -@@ -2569,7 +2690,7 @@ static const struct pid_entry tgid_base_stuff[] = { - REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - ONE("syscall", S_IRUSR, proc_pid_syscall), - #endif - ONE("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2594,10 +2715,10 @@ static const struct pid_entry tgid_base_stuff[] = { - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUSR, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -@@ -2631,6 +2752,9 @@ static const struct pid_entry tgid_base_stuff[] = { - #ifdef CONFIG_HARDWALL - ONE("hardwall", S_IRUGO, proc_pid_hardwall), - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+ ONE("ipaddr", S_IRUSR, proc_pid_ipaddr), -+#endif - #ifdef CONFIG_USER_NS - REG("uid_map", S_IRUGO|S_IWUSR, proc_uid_map_operations), - REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations), -@@ -2763,7 +2887,14 @@ static int proc_pid_instantiate(struct inode *dir, - if (!inode) - goto out; - -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ inode->i_gid = grsec_proc_gid; -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP; -+#else - inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; -+#endif - inode->i_op = &proc_tgid_base_inode_operations; - inode->i_fop = &proc_tgid_base_operations; - inode->i_flags|=S_IMMUTABLE; -@@ -2801,7 +2932,11 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsign - if (!task) - goto out; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out_put_task; -+ - result = proc_pid_instantiate(dir, dentry, task, NULL); -+out_put_task: - put_task_struct(task); - out: - return ERR_PTR(result); -@@ -2915,7 +3050,7 @@ static const struct pid_entry tid_base_stuff[] = { - REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - ONE("syscall", S_IRUSR, proc_pid_syscall), - #endif - ONE("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2942,10 +3077,10 @@ static const struct pid_entry tid_base_stuff[] = { - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUSR, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c -index cbd82df..c0407d2 100644 ---- a/fs/proc/cmdline.c -+++ b/fs/proc/cmdline.c -@@ -23,7 +23,11 @@ static const struct file_operations cmdline_proc_fops = { - - static int __init proc_cmdline_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops); -+#else - proc_create("cmdline", 0, NULL, &cmdline_proc_fops); -+#endif - return 0; - } - fs_initcall(proc_cmdline_init); -diff --git a/fs/proc/devices.c b/fs/proc/devices.c -index 50493ed..248166b 100644 ---- a/fs/proc/devices.c -+++ b/fs/proc/devices.c -@@ -64,7 +64,11 @@ static const struct file_operations proc_devinfo_operations = { - - static int __init proc_devices_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations); -+#else - proc_create("devices", 0, NULL, &proc_devinfo_operations); -+#endif - return 0; - } - fs_initcall(proc_devices_init); -diff --git a/fs/proc/fd.c b/fs/proc/fd.c -index 6e5fcd0..06ea074 100644 ---- a/fs/proc/fd.c -+++ b/fs/proc/fd.c -@@ -27,7 +27,8 @@ static int seq_show(struct seq_file *m, void *v) - if (!task) - return -ENOENT; - -- files = get_files_struct(task); -+ if (!gr_acl_handle_procpidmem(task)) -+ files = get_files_struct(task); - put_task_struct(task); - - if (files) { -@@ -291,11 +292,21 @@ static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry, - */ - int proc_fd_permission(struct inode *inode, int mask) - { -+ struct task_struct *task; - int rv = generic_permission(inode, mask); -- if (rv == 0) -- return 0; -+ - if (task_tgid(current) == proc_pid(inode)) - rv = 0; -+ -+ task = get_proc_task(inode); -+ if (task == NULL) -+ return rv; -+ -+ if (gr_acl_handle_procpidmem(task)) -+ rv = -EACCES; -+ -+ put_task_struct(task); -+ - return rv; - } - -diff --git a/fs/proc/generic.c b/fs/proc/generic.c -index e5dee5c..dafe21b 100644 ---- a/fs/proc/generic.c -+++ b/fs/proc/generic.c -@@ -22,6 +22,7 @@ - #include <linux/bitops.h> - #include <linux/spinlock.h> - #include <linux/completion.h> -+#include <linux/grsecurity.h> - #include <asm/uaccess.h> - - #include "internal.h" -@@ -253,6 +254,15 @@ struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry, - return proc_lookup_de(PDE(dir), dir, dentry); - } - -+struct dentry *proc_lookup_restrict(struct inode *dir, struct dentry *dentry, -+ unsigned int flags) -+{ -+ if (gr_proc_is_restricted()) -+ return ERR_PTR(-EACCES); -+ -+ return proc_lookup_de(PDE(dir), dir, dentry); -+} -+ - /* - * This returns non-zero if at EOF, so that the /proc - * root directory can use this and check if it should -@@ -310,6 +320,16 @@ int proc_readdir(struct file *file, struct dir_context *ctx) - return proc_readdir_de(PDE(inode), file, ctx); - } - -+int proc_readdir_restrict(struct file *file, struct dir_context *ctx) -+{ -+ struct inode *inode = file_inode(file); -+ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return proc_readdir_de(PDE(inode), file, ctx); -+} -+ - /* - * These are the generic /proc directory operations. They - * use the in-memory "struct proc_dir_entry" tree to parse -@@ -321,6 +341,12 @@ static const struct file_operations proc_dir_operations = { - .iterate = proc_readdir, - }; - -+static const struct file_operations proc_dir_restricted_operations = { -+ .llseek = generic_file_llseek, -+ .read = generic_read_dir, -+ .iterate = proc_readdir_restrict, -+}; -+ - /* - * proc directories can do almost nothing.. - */ -@@ -330,6 +356,12 @@ static const struct inode_operations proc_dir_inode_operations = { - .setattr = proc_notify_change, - }; - -+static const struct inode_operations proc_dir_restricted_inode_operations = { -+ .lookup = proc_lookup_restrict, -+ .getattr = proc_getattr, -+ .setattr = proc_notify_change, -+}; -+ - static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp) - { - int ret; -@@ -445,6 +477,31 @@ struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode, - } - EXPORT_SYMBOL_GPL(proc_mkdir_data); - -+struct proc_dir_entry *proc_mkdir_data_restrict(const char *name, umode_t mode, -+ struct proc_dir_entry *parent, void *data) -+{ -+ struct proc_dir_entry *ent; -+ -+ if (mode == 0) -+ mode = S_IRUGO | S_IXUGO; -+ -+ ent = __proc_create(&parent, name, S_IFDIR | mode, 2); -+ if (ent) { -+ ent->data = data; -+ ent->restricted = 1; -+ ent->proc_fops = &proc_dir_restricted_operations; -+ ent->proc_iops = &proc_dir_restricted_inode_operations; -+ parent->nlink++; -+ if (proc_register(parent, ent) < 0) { -+ kfree(ent); -+ parent->nlink--; -+ ent = NULL; -+ } -+ } -+ return ent; -+} -+EXPORT_SYMBOL_GPL(proc_mkdir_data_restrict); -+ - struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, - struct proc_dir_entry *parent) - { -@@ -459,6 +516,13 @@ struct proc_dir_entry *proc_mkdir(const char *name, - } - EXPORT_SYMBOL(proc_mkdir); - -+struct proc_dir_entry *proc_mkdir_restrict(const char *name, -+ struct proc_dir_entry *parent) -+{ -+ return proc_mkdir_data_restrict(name, 0, parent, NULL); -+} -+EXPORT_SYMBOL(proc_mkdir_restrict); -+ - struct proc_dir_entry *proc_create_mount_point(const char *name) - { - umode_t mode = S_IFDIR | S_IRUGO | S_IXUGO; -diff --git a/fs/proc/inode.c b/fs/proc/inode.c -index e3eb552..bcb0f25 100644 ---- a/fs/proc/inode.c -+++ b/fs/proc/inode.c -@@ -24,11 +24,17 @@ - #include <linux/mount.h> - #include <linux/magic.h> - #include <linux/namei.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - - #include "internal.h" - -+#ifdef CONFIG_PROC_SYSCTL -+extern const struct inode_operations proc_sys_inode_operations; -+extern const struct inode_operations proc_sys_dir_operations; -+#endif -+ - static void proc_evict_inode(struct inode *inode) - { - struct proc_dir_entry *de; -@@ -49,6 +55,13 @@ static void proc_evict_inode(struct inode *inode) - RCU_INIT_POINTER(PROC_I(inode)->sysctl, NULL); - sysctl_head_put(head); - } -+ -+#ifdef CONFIG_PROC_SYSCTL -+ if (inode->i_op == &proc_sys_inode_operations || -+ inode->i_op == &proc_sys_dir_operations) -+ gr_handle_delete(inode->i_ino, inode->i_sb->s_dev); -+#endif -+ - } - - static struct kmem_cache * proc_inode_cachep; -@@ -430,7 +443,11 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) - if (de->mode) { - inode->i_mode = de->mode; - inode->i_uid = de->uid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = de->gid; -+#endif - } - if (de->size) - inode->i_size = de->size; -diff --git a/fs/proc/internal.h b/fs/proc/internal.h -index aa27810..9f2d3b2 100644 ---- a/fs/proc/internal.h -+++ b/fs/proc/internal.h -@@ -47,9 +47,10 @@ struct proc_dir_entry { - struct completion *pde_unload_completion; - struct list_head pde_openers; /* who did ->open, but not ->release */ - spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */ -+ u8 restricted; /* a directory in /proc/net that should be restricted via GRKERNSEC_PROC */ - u8 namelen; - char name[]; --}; -+} __randomize_layout; - - union proc_op { - int (*proc_get_link)(struct dentry *, struct path *); -@@ -67,7 +68,7 @@ struct proc_inode { - struct ctl_table *sysctl_entry; - const struct proc_ns_operations *ns_ops; - struct inode vfs_inode; --}; -+} __randomize_layout; - - /* - * General functions -@@ -155,6 +156,10 @@ extern int proc_pid_status(struct seq_file *, struct pid_namespace *, - struct pid *, struct task_struct *); - extern int proc_pid_statm(struct seq_file *, struct pid_namespace *, - struct pid *, struct task_struct *); -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+extern int proc_pid_ipaddr(struct seq_file *, struct pid_namespace *, -+ struct pid *, struct task_struct *); -+#endif - - /* - * base.c -@@ -179,9 +184,11 @@ extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, i - * generic.c - */ - extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int); -+extern struct dentry *proc_lookup_restrict(struct inode *, struct dentry *, unsigned int); - extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *, - struct dentry *); - extern int proc_readdir(struct file *, struct dir_context *); -+extern int proc_readdir_restrict(struct file *, struct dir_context *); - extern int proc_readdir_de(struct proc_dir_entry *, struct file *, struct dir_context *); - - static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde) -diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c -index a352d57..cb94a5c 100644 ---- a/fs/proc/interrupts.c -+++ b/fs/proc/interrupts.c -@@ -47,7 +47,11 @@ static const struct file_operations proc_interrupts_operations = { - - static int __init proc_interrupts_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("interrupts", 0, NULL, &proc_interrupts_operations); -+#else - proc_create("interrupts", 0, NULL, &proc_interrupts_operations); -+#endif - return 0; - } - fs_initcall(proc_interrupts_init); -diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c -index 91a4e64..14bf8fa 100644 ---- a/fs/proc/kcore.c -+++ b/fs/proc/kcore.c -@@ -483,9 +483,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - * the addresses in the elf_phdr on our list. - */ - start = kc_offset_to_vaddr(*fpos - elf_buflen); -- if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen) -+ tsz = PAGE_SIZE - (start & ~PAGE_MASK); -+ if (tsz > buflen) - tsz = buflen; -- -+ - while (buflen) { - struct kcore_list *m; - -@@ -515,19 +516,20 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - } else { - if (kern_addr_valid(start)) { - unsigned long n; -+ char *elf_buf; -+ mm_segment_t oldfs; - -- n = copy_to_user(buffer, (char *)start, tsz); -- /* -- * We cannot distinguish between fault on source -- * and fault on destination. When this happens -- * we clear too and hope it will trigger the -- * EFAULT again. -- */ -- if (n) { -- if (clear_user(buffer + tsz - n, -- n)) -- return -EFAULT; -- } -+ elf_buf = kzalloc(tsz, GFP_KERNEL); -+ if (!elf_buf) -+ return -ENOMEM; -+ oldfs = get_fs(); -+ set_fs(KERNEL_DS); -+ n = __copy_from_user(elf_buf, (const void __user *)start, tsz); -+ set_fs(oldfs); -+ n = copy_to_user(buffer, elf_buf, tsz); -+ kfree(elf_buf); -+ if (n) -+ return -EFAULT; - } else { - if (clear_user(buffer, tsz)) - return -EFAULT; -@@ -547,6 +549,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - - static int open_kcore(struct inode *inode, struct file *filp) - { -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ return -EPERM; -+#endif - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - if (kcore_need_update) -@@ -580,7 +585,7 @@ static int __meminit kcore_callback(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block kcore_callback_nb __meminitdata = { -+static struct notifier_block kcore_callback_nb __meminitconst = { - .notifier_call = kcore_callback, - .priority = 0, - }; -diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c -index d3ebf2e..6ad42d1 100644 ---- a/fs/proc/meminfo.c -+++ b/fs/proc/meminfo.c -@@ -194,7 +194,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) - vmi.used >> 10, - vmi.largest_chunk >> 10 - #ifdef CONFIG_MEMORY_FAILURE -- , atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10) -+ , atomic_long_read_unchecked(&num_poisoned_pages) << (PAGE_SHIFT - 10) - #endif - #ifdef CONFIG_TRANSPARENT_HUGEPAGE - , K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) * -diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c -index d4a3574..b421ce9 100644 ---- a/fs/proc/nommu.c -+++ b/fs/proc/nommu.c -@@ -64,7 +64,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region) - - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\\"); - } - - seq_putc(m, '\n'); -diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c -index 350984a..0fb02a9 100644 ---- a/fs/proc/proc_net.c -+++ b/fs/proc/proc_net.c -@@ -23,9 +23,27 @@ - #include <linux/nsproxy.h> - #include <net/net_namespace.h> - #include <linux/seq_file.h> -+#include <linux/grsecurity.h> - - #include "internal.h" - -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+static struct seq_operations *ipv6_seq_ops_addr; -+ -+void register_ipv6_seq_ops_addr(struct seq_operations *addr) -+{ -+ ipv6_seq_ops_addr = addr; -+} -+ -+void unregister_ipv6_seq_ops_addr(void) -+{ -+ ipv6_seq_ops_addr = NULL; -+} -+ -+EXPORT_SYMBOL_GPL(register_ipv6_seq_ops_addr); -+EXPORT_SYMBOL_GPL(unregister_ipv6_seq_ops_addr); -+#endif -+ - static inline struct net *PDE_NET(struct proc_dir_entry *pde) - { - return pde->parent->data; -@@ -36,6 +54,8 @@ static struct net *get_proc_net(const struct inode *inode) - return maybe_get_net(PDE_NET(PDE(inode))); - } - -+extern const struct seq_operations dev_seq_ops; -+ - int seq_open_net(struct inode *ino, struct file *f, - const struct seq_operations *ops, int size) - { -@@ -44,6 +64,14 @@ int seq_open_net(struct inode *ino, struct file *f, - - BUG_ON(size < sizeof(*p)); - -+ /* only permit access to /proc/net/dev */ -+ if ( -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+ ops != ipv6_seq_ops_addr && -+#endif -+ ops != &dev_seq_ops && gr_proc_is_restricted()) -+ return -EACCES; -+ - net = get_proc_net(ino); - if (net == NULL) - return -ENXIO; -@@ -66,6 +94,9 @@ int single_open_net(struct inode *inode, struct file *file, - int err; - struct net *net; - -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ - err = -ENXIO; - net = get_proc_net(inode); - if (net == NULL) -diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c -index fdda62e..cd7c75f 100644 ---- a/fs/proc/proc_sysctl.c -+++ b/fs/proc/proc_sysctl.c -@@ -11,13 +11,21 @@ - #include <linux/namei.h> - #include <linux/mm.h> - #include <linux/module.h> -+#include <linux/nsproxy.h> -+#ifdef CONFIG_GRKERNSEC -+#include <net/net_namespace.h> -+#endif - #include "internal.h" - -+extern int gr_handle_chroot_sysctl(const int op); -+extern int gr_handle_sysctl_mod(const char *dirname, const char *name, -+ const int op); -+ - static const struct dentry_operations proc_sys_dentry_operations; - static const struct file_operations proc_sys_file_operations; --static const struct inode_operations proc_sys_inode_operations; -+const struct inode_operations proc_sys_inode_operations; - static const struct file_operations proc_sys_dir_file_operations; --static const struct inode_operations proc_sys_dir_operations; -+const struct inode_operations proc_sys_dir_operations; - - /* Support for permanently empty directories */ - -@@ -32,13 +40,17 @@ static bool is_empty_dir(struct ctl_table_header *head) - - static void set_empty_dir(struct ctl_dir *dir) - { -- dir->header.ctl_table[0].child = sysctl_mount_point; -+ pax_open_kernel(); -+ *(const void **)&dir->header.ctl_table[0].child = sysctl_mount_point; -+ pax_close_kernel(); - } - - static void clear_empty_dir(struct ctl_dir *dir) - - { -- dir->header.ctl_table[0].child = NULL; -+ pax_open_kernel(); -+ *(void **)&dir->header.ctl_table[0].child = NULL; -+ pax_close_kernel(); - } - - void proc_sys_poll_notify(struct ctl_table_poll *poll) -@@ -504,6 +516,9 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry, - - err = NULL; - d_set_d_op(dentry, &proc_sys_dentry_operations); -+ -+ gr_handle_proc_create(dentry, inode); -+ - d_add(dentry, inode); - - out: -@@ -519,6 +534,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - struct inode *inode = file_inode(filp); - struct ctl_table_header *head = grab_header(inode); - struct ctl_table *table = PROC_I(inode)->sysctl_entry; -+ int op = write ? MAY_WRITE : MAY_READ; - ssize_t error; - size_t res; - -@@ -530,7 +546,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - * and won't be until we finish. - */ - error = -EPERM; -- if (sysctl_perm(head, table, write ? MAY_WRITE : MAY_READ)) -+ if (sysctl_perm(head, table, op)) - goto out; - - /* if that can happen at all, it should be -EINVAL, not -EISDIR */ -@@ -538,6 +554,27 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - if (!table->proc_handler) - goto out; - -+#ifdef CONFIG_GRKERNSEC -+ error = -EPERM; -+ if (gr_handle_chroot_sysctl(op)) -+ goto out; -+ dget(filp->f_path.dentry); -+ if (gr_handle_sysctl_mod(filp->f_path.dentry->d_parent->d_name.name, table->procname, op)) { -+ dput(filp->f_path.dentry); -+ goto out; -+ } -+ dput(filp->f_path.dentry); -+ if (!gr_acl_handle_open(filp->f_path.dentry, filp->f_path.mnt, op)) -+ goto out; -+ if (write) { -+ if (current->nsproxy->net_ns != table->extra2) { -+ if (!capable(CAP_SYS_ADMIN)) -+ goto out; -+ } else if (!ns_capable(current->nsproxy->net_ns->user_ns, CAP_NET_ADMIN)) -+ goto out; -+ } -+#endif -+ - /* careful: calling conventions are nasty here */ - res = count; - error = table->proc_handler(table, write, buf, &res, ppos); -@@ -635,6 +672,9 @@ static bool proc_sys_fill_cache(struct file *file, - return false; - } else { - d_set_d_op(child, &proc_sys_dentry_operations); -+ -+ gr_handle_proc_create(child, inode); -+ - d_add(child, inode); - } - } else { -@@ -678,6 +718,9 @@ static int scan(struct ctl_table_header *head, struct ctl_table *table, - if ((*pos)++ < ctx->pos) - return true; - -+ if (!gr_acl_handle_hidden_file(file->f_path.dentry, file->f_path.mnt)) -+ return 0; -+ - if (unlikely(S_ISLNK(table->mode))) - res = proc_sys_link_fill_cache(file, ctx, head, table); - else -@@ -771,6 +814,9 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct - if (IS_ERR(head)) - return PTR_ERR(head); - -+ if (table && !gr_acl_handle_hidden_file(dentry, mnt)) -+ return -ENOENT; -+ - generic_fillattr(inode, stat); - if (table) - stat->mode = (stat->mode & S_IFMT) | table->mode; -@@ -793,13 +839,13 @@ static const struct file_operations proc_sys_dir_file_operations = { - .llseek = generic_file_llseek, - }; - --static const struct inode_operations proc_sys_inode_operations = { -+const struct inode_operations proc_sys_inode_operations = { - .permission = proc_sys_permission, - .setattr = proc_sys_setattr, - .getattr = proc_sys_getattr, - }; - --static const struct inode_operations proc_sys_dir_operations = { -+const struct inode_operations proc_sys_dir_operations = { - .lookup = proc_sys_lookup, - .permission = proc_sys_permission, - .setattr = proc_sys_setattr, -@@ -876,7 +922,7 @@ static struct ctl_dir *find_subdir(struct ctl_dir *dir, - static struct ctl_dir *new_dir(struct ctl_table_set *set, - const char *name, int namelen) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - struct ctl_dir *new; - struct ctl_node *node; - char *new_name; -@@ -888,7 +934,7 @@ static struct ctl_dir *new_dir(struct ctl_table_set *set, - return NULL; - - node = (struct ctl_node *)(new + 1); -- table = (struct ctl_table *)(node + 1); -+ table = (ctl_table_no_const *)(node + 1); - new_name = (char *)(table + 2); - memcpy(new_name, name, namelen); - new_name[namelen] = '\0'; -@@ -1057,7 +1103,8 @@ static int sysctl_check_table(const char *path, struct ctl_table *table) - static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table, - struct ctl_table_root *link_root) - { -- struct ctl_table *link_table, *entry, *link; -+ ctl_table_no_const *link_table, *link; -+ struct ctl_table *entry; - struct ctl_table_header *links; - struct ctl_node *node; - char *link_name; -@@ -1080,7 +1127,7 @@ static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table - return NULL; - - node = (struct ctl_node *)(links + 1); -- link_table = (struct ctl_table *)(node + nr_entries); -+ link_table = (ctl_table_no_const *)(node + nr_entries); - link_name = (char *)&link_table[nr_entries + 1]; - - for (link = link_table, entry = table; entry->procname; link++, entry++) { -@@ -1328,8 +1375,8 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - struct ctl_table_header ***subheader, struct ctl_table_set *set, - struct ctl_table *table) - { -- struct ctl_table *ctl_table_arg = NULL; -- struct ctl_table *entry, *files; -+ ctl_table_no_const *ctl_table_arg = NULL, *files = NULL; -+ struct ctl_table *entry; - int nr_files = 0; - int nr_dirs = 0; - int err = -ENOMEM; -@@ -1341,10 +1388,9 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - nr_files++; - } - -- files = table; - /* If there are mixed files and directories we need a new table */ - if (nr_dirs && nr_files) { -- struct ctl_table *new; -+ ctl_table_no_const *new; - files = kzalloc(sizeof(struct ctl_table) * (nr_files + 1), - GFP_KERNEL); - if (!files) -@@ -1362,7 +1408,7 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - /* Register everything except a directory full of subdirectories */ - if (nr_files || !nr_dirs) { - struct ctl_table_header *header; -- header = __register_sysctl_table(set, path, files); -+ header = __register_sysctl_table(set, path, files ? files : table); - if (!header) { - kfree(ctl_table_arg); - goto out; -diff --git a/fs/proc/root.c b/fs/proc/root.c -index 68feb0f..2c04780 100644 ---- a/fs/proc/root.c -+++ b/fs/proc/root.c -@@ -185,7 +185,15 @@ void __init proc_root_init(void) - proc_create_mount_point("openprom"); - #endif - proc_tty_init(); -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_mkdir("bus", NULL); -+#endif - proc_sys_init(); - } - -diff --git a/fs/proc/stat.c b/fs/proc/stat.c -index 510413eb..34d9a8c 100644 ---- a/fs/proc/stat.c -+++ b/fs/proc/stat.c -@@ -11,6 +11,7 @@ - #include <linux/irqnr.h> - #include <linux/cputime.h> - #include <linux/tick.h> -+#include <linux/grsecurity.h> - - #ifndef arch_irq_stat_cpu - #define arch_irq_stat_cpu(cpu) 0 -@@ -87,6 +88,18 @@ static int show_stat(struct seq_file *p, void *v) - u64 sum_softirq = 0; - unsigned int per_softirq_sums[NR_SOFTIRQS] = {0}; - struct timespec boottime; -+ int unrestricted = 1; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ && !in_group_p(grsec_proc_gid) -+#endif -+ ) -+ unrestricted = 0; -+#endif -+#endif - - user = nice = system = idle = iowait = - irq = softirq = steal = 0; -@@ -99,23 +112,25 @@ static int show_stat(struct seq_file *p, void *v) - nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE]; - system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; - idle += get_idle_time(i); -- iowait += get_iowait_time(i); -- irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -- softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -- steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -- guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -- guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -- sum += kstat_cpu_irqs_sum(i); -- sum += arch_irq_stat_cpu(i); -+ if (unrestricted) { -+ iowait += get_iowait_time(i); -+ irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -+ softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -+ steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -+ guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -+ guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ sum += kstat_cpu_irqs_sum(i); -+ sum += arch_irq_stat_cpu(i); -+ for (j = 0; j < NR_SOFTIRQS; j++) { -+ unsigned int softirq_stat = kstat_softirqs_cpu(j, i); - -- for (j = 0; j < NR_SOFTIRQS; j++) { -- unsigned int softirq_stat = kstat_softirqs_cpu(j, i); -- -- per_softirq_sums[j] += softirq_stat; -- sum_softirq += softirq_stat; -+ per_softirq_sums[j] += softirq_stat; -+ sum_softirq += softirq_stat; -+ } - } - } -- sum += arch_irq_stat(); -+ if (unrestricted) -+ sum += arch_irq_stat(); - - seq_puts(p, "cpu "); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user)); -@@ -136,12 +151,14 @@ static int show_stat(struct seq_file *p, void *v) - nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE]; - system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; - idle = get_idle_time(i); -- iowait = get_iowait_time(i); -- irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -- softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -- steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -- guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -- guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ if (unrestricted) { -+ iowait = get_iowait_time(i); -+ irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -+ softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -+ steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -+ guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -+ guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ } - seq_printf(p, "cpu%d", i); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user)); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice)); -@@ -159,7 +176,7 @@ static int show_stat(struct seq_file *p, void *v) - - /* sum again ? it could be updated? */ - for_each_irq_nr(j) -- seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j)); -+ seq_put_decimal_ull(p, ' ', unrestricted ? kstat_irqs_usr(j) : 0ULL); - - seq_printf(p, - "\nctxt %llu\n" -@@ -167,11 +184,11 @@ static int show_stat(struct seq_file *p, void *v) - "processes %lu\n" - "procs_running %lu\n" - "procs_blocked %lu\n", -- nr_context_switches(), -+ unrestricted ? nr_context_switches() : 0ULL, - (unsigned long)jif, -- total_forks, -- nr_running(), -- nr_iowait()); -+ unrestricted ? total_forks : 0UL, -+ unrestricted ? nr_running() : 0UL, -+ unrestricted ? nr_iowait() : 0UL); - - seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq); - -diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c -index 6dee68d..1b4add0 100644 ---- a/fs/proc/task_mmu.c -+++ b/fs/proc/task_mmu.c -@@ -13,12 +13,19 @@ - #include <linux/swap.h> - #include <linux/swapops.h> - #include <linux/mmu_notifier.h> -+#include <linux/grsecurity.h> - - #include <asm/elf.h> - #include <asm/uaccess.h> - #include <asm/tlbflush.h> - #include "internal.h" - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - void task_mem(struct seq_file *m, struct mm_struct *mm) - { - unsigned long data, text, lib, swap, ptes, pmds; -@@ -57,8 +64,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - "VmLib:\t%8lu kB\n" - "VmPTE:\t%8lu kB\n" - "VmPMD:\t%8lu kB\n" -- "VmSwap:\t%8lu kB\n", -- hiwater_vm << (PAGE_SHIFT-10), -+ "VmSwap:\t%8lu kB\n" -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ "CsBase:\t%8lx\nCsLim:\t%8lx\n" -+#endif -+ -+ ,hiwater_vm << (PAGE_SHIFT-10), - total_vm << (PAGE_SHIFT-10), - mm->locked_vm << (PAGE_SHIFT-10), - mm->pinned_vm << (PAGE_SHIFT-10), -@@ -68,7 +80,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - mm->stack_vm << (PAGE_SHIFT-10), text, lib, - ptes >> 10, - pmds >> 10, -- swap << (PAGE_SHIFT-10)); -+ swap << (PAGE_SHIFT-10) -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_base -+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_limit -+#else -+ , mm->context.user_cs_base -+ , mm->context.user_cs_limit -+#endif -+#endif -+ -+ ); - } - - unsigned long task_vsize(struct mm_struct *mm) -@@ -285,13 +309,13 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT; - } - -- /* We don't show the stack guard page in /proc/maps */ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start; -+ end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end; -+#else - start = vma->vm_start; -- if (stack_guard_page_start(vma, start)) -- start += PAGE_SIZE; - end = vma->vm_end; -- if (stack_guard_page_end(vma, end)) -- end -= PAGE_SIZE; -+#endif - - seq_setwidth(m, 25 + sizeof(void *) * 6 - 1); - seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ", -@@ -301,7 +325,11 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - flags & VM_WRITE ? 'w' : '-', - flags & VM_EXEC ? 'x' : '-', - flags & VM_MAYSHARE ? 's' : 'p', -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(mm) ? 0UL : pgoff, -+#else - pgoff, -+#endif - MAJOR(dev), MINOR(dev), ino); - - /* -@@ -310,7 +338,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - */ - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, "\n"); -+ seq_path(m, &file->f_path, "\n\\"); - goto done; - } - -@@ -341,8 +369,9 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - * Thread stack in /proc/PID/task/TID/maps or - * the main process stack. - */ -- if (!is_pid || (vma->vm_start <= mm->start_stack && -- vma->vm_end >= mm->start_stack)) { -+ if (!is_pid || (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) || -+ (vma->vm_start <= mm->start_stack && -+ vma->vm_end >= mm->start_stack)) { - name = "[stack]"; - } else { - /* Thread stack in /proc/PID/maps */ -@@ -362,6 +391,12 @@ done: - - static int show_map(struct seq_file *m, void *v, int is_pid) - { -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("maps"); -+ return 0; -+ } -+#endif - show_map_vma(m, v, is_pid); - m_cache_vma(m, v); - return 0; -@@ -620,9 +655,18 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) - .private = &mss, - }; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("smaps"); -+ return 0; -+ } -+#endif - memset(&mss, 0, sizeof mss); -- /* mmap_sem is held in m_start */ -- walk_page_vma(vma, &smaps_walk); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!PAX_RAND_FLAGS(vma->vm_mm)) -+#endif -+ /* mmap_sem is held in m_start */ -+ walk_page_vma(vma, &smaps_walk); - - show_map_vma(m, vma, is_pid); - -@@ -641,7 +685,11 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) - "KernelPageSize: %8lu kB\n" - "MMUPageSize: %8lu kB\n" - "Locked: %8lu kB\n", -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10, -+#else - (vma->vm_end - vma->vm_start) >> 10, -+#endif - mss.resident >> 10, - (unsigned long)(mss.pss >> (10 + PSS_SHIFT)), - mss.shared_clean >> 10, -@@ -1491,6 +1539,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - char buffer[64]; - int nid; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("numa_maps"); -+ return 0; -+ } -+#endif -+ - if (!mm) - return 0; - -@@ -1505,11 +1560,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - mpol_to_str(buffer, sizeof(buffer), proc_priv->task_mempolicy); - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ seq_printf(m, "%08lx %s", PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : vma->vm_start, buffer); -+#else - seq_printf(m, "%08lx %s", vma->vm_start, buffer); -+#endif - - if (file) { - seq_puts(m, " file="); -- seq_path(m, &file->f_path, "\n\t= "); -+ seq_path(m, &file->f_path, "\n\t\\= "); - } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) { - seq_puts(m, " heap"); - } else { -diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c -index 599ec2e..f1413ae 100644 ---- a/fs/proc/task_nommu.c -+++ b/fs/proc/task_nommu.c -@@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - else - bytes += kobjsize(mm); - -- if (current->fs && current->fs->users > 1) -+ if (current->fs && atomic_read(&current->fs->users) > 1) - sbytes += kobjsize(current->fs); - else - bytes += kobjsize(current->fs); -@@ -180,7 +180,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, - - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\\"); - } else if (mm) { - pid_t tid = pid_of_stack(priv, vma, is_pid); - -diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c -index 4e61388..1a2523d 100644 ---- a/fs/proc/vmcore.c -+++ b/fs/proc/vmcore.c -@@ -105,9 +105,13 @@ static ssize_t read_from_oldmem(char *buf, size_t count, - nr_bytes = count; - - /* If pfn is not ram, return zeros for sparse dump files */ -- if (pfn_is_ram(pfn) == 0) -- memset(buf, 0, nr_bytes); -- else { -+ if (pfn_is_ram(pfn) == 0) { -+ if (userbuf) { -+ if (clear_user((char __force_user *)buf, nr_bytes)) -+ return -EFAULT; -+ } else -+ memset(buf, 0, nr_bytes); -+ } else { - tmp = copy_oldmem_page(pfn, buf, nr_bytes, - offset, userbuf); - if (tmp < 0) -@@ -170,7 +174,7 @@ int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma, - static int copy_to(void *target, void *src, size_t size, int userbuf) - { - if (userbuf) { -- if (copy_to_user((char __user *) target, src, size)) -+ if (copy_to_user((char __force_user *) target, src, size)) - return -EFAULT; - } else { - memcpy(target, src, size); -@@ -233,7 +237,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, - if (*fpos < m->offset + m->size) { - tsz = min_t(size_t, m->offset + m->size - *fpos, buflen); - start = m->paddr + *fpos - m->offset; -- tmp = read_from_oldmem(buffer, tsz, &start, userbuf); -+ tmp = read_from_oldmem((char __force_kernel *)buffer, tsz, &start, userbuf); - if (tmp < 0) - return tmp; - buflen -= tsz; -@@ -253,7 +257,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, - static ssize_t read_vmcore(struct file *file, char __user *buffer, - size_t buflen, loff_t *fpos) - { -- return __read_vmcore((__force char *) buffer, buflen, fpos, 1); -+ return __read_vmcore((__force_kernel char *) buffer, buflen, fpos, 1); - } - - /* -diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h -index d3fb2b6..43a8140 100644 ---- a/fs/qnx6/qnx6.h -+++ b/fs/qnx6/qnx6.h -@@ -74,7 +74,7 @@ enum { - BYTESEX_BE, - }; - --static inline __u64 fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n) -+static inline __u64 __intentional_overflow(-1) fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n) - { - if (sbi->s_bytesex == BYTESEX_LE) - return le64_to_cpu((__force __le64)n); -@@ -90,7 +90,7 @@ static inline __fs64 cpu_to_fs64(struct qnx6_sb_info *sbi, __u64 n) - return (__force __fs64)cpu_to_be64(n); - } - --static inline __u32 fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n) -+static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n) - { - if (sbi->s_bytesex == BYTESEX_LE) - return le32_to_cpu((__force __le32)n); -diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c -index bb2869f..d34ada8 100644 ---- a/fs/quota/netlink.c -+++ b/fs/quota/netlink.c -@@ -44,7 +44,7 @@ static struct genl_family quota_genl_family = { - void quota_send_warning(struct kqid qid, dev_t dev, - const char warntype) - { -- static atomic_t seq; -+ static atomic_unchecked_t seq; - struct sk_buff *skb; - void *msg_head; - int ret; -@@ -60,7 +60,7 @@ void quota_send_warning(struct kqid qid, dev_t dev, - "VFS: Not enough memory to send quota warning.\n"); - return; - } -- msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq), -+ msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq), - &quota_genl_family, 0, QUOTA_NL_C_WARNING); - if (!msg_head) { - printk(KERN_ERR -diff --git a/fs/read_write.c b/fs/read_write.c -index 819ef3f..f07222d 100644 ---- a/fs/read_write.c -+++ b/fs/read_write.c -@@ -505,7 +505,7 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t - - old_fs = get_fs(); - set_fs(get_ds()); -- p = (__force const char __user *)buf; -+ p = (const char __force_user *)buf; - if (count > MAX_RW_COUNT) - count = MAX_RW_COUNT; - ret = __vfs_write(file, p, count, pos); -diff --git a/fs/readdir.c b/fs/readdir.c -index ced6791..936687b 100644 ---- a/fs/readdir.c -+++ b/fs/readdir.c -@@ -18,6 +18,7 @@ - #include <linux/security.h> - #include <linux/syscalls.h> - #include <linux/unistd.h> -+#include <linux/namei.h> - - #include <asm/uaccess.h> - -@@ -71,6 +72,7 @@ struct old_linux_dirent { - struct readdir_callback { - struct dir_context ctx; - struct old_linux_dirent __user * dirent; -+ struct file * file; - int result; - }; - -@@ -89,6 +91,10 @@ static int fillonedir(struct dir_context *ctx, const char *name, int namlen, - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -120,6 +126,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (buf.result) - error = buf.result; -@@ -145,6 +152,7 @@ struct getdents_callback { - struct dir_context ctx; - struct linux_dirent __user * current_dir; - struct linux_dirent __user * previous; -+ struct file * file; - int count; - int error; - }; -@@ -167,6 +175,10 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -212,6 +224,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -@@ -230,6 +243,7 @@ struct getdents_callback64 { - struct dir_context ctx; - struct linux_dirent64 __user * current_dir; - struct linux_dirent64 __user * previous; -+ struct file *file; - int count; - int error; - }; -@@ -246,6 +260,10 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -293,6 +311,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c -index 9c02d96..6562c10 100644 ---- a/fs/reiserfs/do_balan.c -+++ b/fs/reiserfs/do_balan.c -@@ -1887,7 +1887,7 @@ void do_balance(struct tree_balance *tb, struct item_head *ih, - return; - } - -- atomic_inc(&fs_generation(tb->tb_sb)); -+ atomic_inc_unchecked(&fs_generation(tb->tb_sb)); - do_balance_starts(tb); - - /* -diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c -index aca73dd..e3c558d 100644 ---- a/fs/reiserfs/item_ops.c -+++ b/fs/reiserfs/item_ops.c -@@ -724,18 +724,18 @@ static void errcatch_print_vi(struct virtual_item *vi) - } - - static struct item_operations errcatch_ops = { -- errcatch_bytes_number, -- errcatch_decrement_key, -- errcatch_is_left_mergeable, -- errcatch_print_item, -- errcatch_check_item, -+ .bytes_number = errcatch_bytes_number, -+ .decrement_key = errcatch_decrement_key, -+ .is_left_mergeable = errcatch_is_left_mergeable, -+ .print_item = errcatch_print_item, -+ .check_item = errcatch_check_item, - -- errcatch_create_vi, -- errcatch_check_left, -- errcatch_check_right, -- errcatch_part_size, -- errcatch_unit_num, -- errcatch_print_vi -+ .create_vi = errcatch_create_vi, -+ .check_left = errcatch_check_left, -+ .check_right = errcatch_check_right, -+ .part_size = errcatch_part_size, -+ .unit_num = errcatch_unit_num, -+ .print_vi = errcatch_print_vi - }; - - #if ! (TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3) -diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c -index 621b9f3..af527fd 100644 ---- a/fs/reiserfs/procfs.c -+++ b/fs/reiserfs/procfs.c -@@ -114,7 +114,7 @@ static int show_super(struct seq_file *m, void *unused) - "SMALL_TAILS " : "NO_TAILS ", - replay_only(sb) ? "REPLAY_ONLY " : "", - convert_reiserfs(sb) ? "CONV " : "", -- atomic_read(&r->s_generation_counter), -+ atomic_read_unchecked(&r->s_generation_counter), - SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes), - SF(s_do_balance), SF(s_unneeded_left_neighbor), - SF(s_good_search_by_key_reada), SF(s_bmaps), -diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h -index 2adcde1..7d27bc8 100644 ---- a/fs/reiserfs/reiserfs.h -+++ b/fs/reiserfs/reiserfs.h -@@ -580,7 +580,7 @@ struct reiserfs_sb_info { - /* Comment? -Hans */ - wait_queue_head_t s_wait; - /* increased by one every time the tree gets re-balanced */ -- atomic_t s_generation_counter; -+ atomic_unchecked_t s_generation_counter; - - /* File system properties. Currently holds on-disk FS format */ - unsigned long s_properties; -@@ -2300,7 +2300,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode) - #define REISERFS_USER_MEM 1 /* user memory mode */ - - #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter) --#define get_generation(s) atomic_read (&fs_generation(s)) -+#define get_generation(s) atomic_read_unchecked (&fs_generation(s)) - #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen) - #define __fs_changed(gen,s) (gen != get_generation (s)) - #define fs_changed(gen,s) \ -diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c -index 0111ad0..00f4749 100644 ---- a/fs/reiserfs/super.c -+++ b/fs/reiserfs/super.c -@@ -1868,6 +1868,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) - sbi->s_mount_opt |= (1 << REISERFS_SMALLTAIL); - sbi->s_mount_opt |= (1 << REISERFS_ERROR_RO); - sbi->s_mount_opt |= (1 << REISERFS_BARRIER_FLUSH); -+#ifdef CONFIG_REISERFS_FS_XATTR -+ /* turn on user xattrs by default */ -+ sbi->s_mount_opt |= (1 << REISERFS_XATTRS_USER); -+#endif - /* no preallocation minimum, be smart in reiserfs_file_write instead */ - sbi->s_alloc_options.preallocmin = 0; - /* Preallocate by 16 blocks (17-1) at once */ -diff --git a/fs/select.c b/fs/select.c -index f684c75..4117611 100644 ---- a/fs/select.c -+++ b/fs/select.c -@@ -20,6 +20,7 @@ - #include <linux/export.h> - #include <linux/slab.h> - #include <linux/poll.h> -+#include <linux/security.h> - #include <linux/personality.h> /* for STICKY_TIMEOUTS */ - #include <linux/file.h> - #include <linux/fdtable.h> -@@ -880,6 +881,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, - struct poll_list *walk = head; - unsigned long todo = nfds; - -+ gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1); - if (nfds > rlimit(RLIMIT_NOFILE)) - return -EINVAL; - -diff --git a/fs/seq_file.c b/fs/seq_file.c -index 555f821..02a990b 100644 ---- a/fs/seq_file.c -+++ b/fs/seq_file.c -@@ -12,6 +12,8 @@ - #include <linux/slab.h> - #include <linux/cred.h> - #include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/page.h> -@@ -29,9 +31,9 @@ static void *seq_buf_alloc(unsigned long size) - * __GFP_NORETRY to avoid oom-killings with high-order allocations - - * it's better to fall back to vmalloc() than to kill things. - */ -- buf = kmalloc(size, GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); -+ buf = kmalloc(size, GFP_KERNEL | GFP_USERCOPY | __GFP_NORETRY | __GFP_NOWARN); - if (!buf && size > PAGE_SIZE) -- buf = vmalloc(size); -+ buf = vmalloc_usercopy(size); - return buf; - } - -@@ -65,6 +67,9 @@ int seq_open(struct file *file, const struct seq_operations *op) - #ifdef CONFIG_USER_NS - p->user_ns = file->f_cred->user_ns; - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ p->exec_id = current->exec_id; -+#endif - - /* - * Wrappers around seq_open(e.g. swaps_open) need to be -@@ -87,6 +92,16 @@ int seq_open(struct file *file, const struct seq_operations *op) - } - EXPORT_SYMBOL(seq_open); - -+ -+int seq_open_restrict(struct file *file, const struct seq_operations *op) -+{ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return seq_open(file, op); -+} -+EXPORT_SYMBOL(seq_open_restrict); -+ - static int traverse(struct seq_file *m, loff_t offset) - { - loff_t pos = 0, index; -@@ -158,7 +173,7 @@ Eoverflow: - ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) - { - struct seq_file *m = file->private_data; -- size_t copied = 0; -+ ssize_t copied = 0; - loff_t pos; - size_t n; - void *p; -@@ -557,7 +572,7 @@ static void single_stop(struct seq_file *p, void *v) - int single_open(struct file *file, int (*show)(struct seq_file *, void *), - void *data) - { -- struct seq_operations *op = kmalloc(sizeof(*op), GFP_KERNEL); -+ seq_operations_no_const *op = kzalloc(sizeof(*op), GFP_KERNEL); - int res = -ENOMEM; - - if (op) { -@@ -593,6 +608,17 @@ int single_open_size(struct file *file, int (*show)(struct seq_file *, void *), - } - EXPORT_SYMBOL(single_open_size); - -+int single_open_restrict(struct file *file, int (*show)(struct seq_file *, void *), -+ void *data) -+{ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return single_open(file, show, data); -+} -+EXPORT_SYMBOL(single_open_restrict); -+ -+ - int single_release(struct inode *inode, struct file *file) - { - const struct seq_operations *op = ((struct seq_file *)file->private_data)->op; -diff --git a/fs/splice.c b/fs/splice.c -index bfe62ae..a84920d 100644 ---- a/fs/splice.c -+++ b/fs/splice.c -@@ -192,7 +192,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - pipe_lock(pipe); - - for (;;) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -215,7 +215,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - page_nr++; - ret += buf->len; - -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - do_wakeup = 1; - - if (!--spd->nr_pages) -@@ -246,9 +246,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - do_wakeup = 0; - } - -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -578,7 +578,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos); -+ res = vfs_readv(file, (const struct iovec __force_user *)vec, vlen, &pos); - set_fs(old_fs); - - return res; -@@ -593,7 +593,7 @@ ssize_t kernel_write(struct file *file, const char *buf, size_t count, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_write(file, (__force const char __user *)buf, count, &pos); -+ res = vfs_write(file, (const char __force_user *)buf, count, &pos); - set_fs(old_fs); - - return res; -@@ -646,7 +646,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, - goto err; - - this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset); -- vec[i].iov_base = (void __user *) page_address(page); -+ vec[i].iov_base = (void __force_user *) page_address(page); - vec[i].iov_len = this_len; - spd.pages[i] = page; - spd.nr_pages++; -@@ -785,7 +785,7 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des - ops->release(pipe, buf); - pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1); - pipe->nrbufs--; -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - sd->need_wakeup = true; - } - -@@ -809,10 +809,10 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des - static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) - { - while (!pipe->nrbufs) { -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - return 0; - -- if (!pipe->waiting_writers && sd->num_spliced) -+ if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced) - return 0; - - if (sd->flags & SPLICE_F_NONBLOCK) -@@ -1027,7 +1027,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out, - ops->release(pipe, buf); - pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1); - pipe->nrbufs--; -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - sd.need_wakeup = true; - } else { - buf->offset += ret; -@@ -1187,7 +1187,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd, - * out of the pipe right after the splice_to_pipe(). So set - * PIPE_READERS appropriately. - */ -- pipe->readers = 1; -+ atomic_set(&pipe->readers, 1); - - current->splice_pipe = pipe; - } -@@ -1494,6 +1494,7 @@ static int get_iovec_page_array(const struct iovec __user *iov, - - partial[buffers].offset = off; - partial[buffers].len = plen; -+ partial[buffers].private = 0; - - off = 0; - len -= plen; -@@ -1725,9 +1726,9 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - ret = -ERESTARTSYS; - break; - } -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; -@@ -1759,7 +1760,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - pipe_lock(pipe); - - while (pipe->nrbufs >= pipe->buffers) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - break; -@@ -1772,9 +1773,9 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - ret = -ERESTARTSYS; - break; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -1810,14 +1811,14 @@ retry: - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; - break; - } - -- if (!ipipe->nrbufs && !ipipe->writers) -+ if (!ipipe->nrbufs && !atomic_read(&ipipe->writers)) - break; - - /* -@@ -1914,7 +1915,7 @@ static int link_pipe(struct pipe_inode_info *ipipe, - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1959,7 +1960,7 @@ static int link_pipe(struct pipe_inode_info *ipipe, - * return EAGAIN if we have the potential of some data in the - * future, otherwise just return 0 - */ -- if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK)) -+ if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK)) - ret = -EAGAIN; - - pipe_unlock(ipipe); -diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c -index e5e0ddf..09598c4 100644 ---- a/fs/squashfs/xattr.c -+++ b/fs/squashfs/xattr.c -@@ -46,8 +46,8 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - + msblk->xattr_table; - int offset = SQUASHFS_XATTR_OFFSET(squashfs_i(inode)->xattr); - int count = squashfs_i(inode)->xattr_count; -- size_t rest = buffer_size; -- int err; -+ size_t used = 0; -+ ssize_t err; - - /* check that the file system has xattrs */ - if (msblk->xattr_id_table == NULL) -@@ -68,11 +68,11 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - name_size = le16_to_cpu(entry.size); - handler = squashfs_xattr_handler(le16_to_cpu(entry.type)); - if (handler) -- prefix_size = handler->list(d, buffer, rest, NULL, -+ prefix_size = handler->list(d, buffer, buffer ? buffer_size - used : 0, NULL, - name_size, handler->flags); - if (prefix_size) { - if (buffer) { -- if (prefix_size + name_size + 1 > rest) { -+ if (prefix_size + name_size + 1 > buffer_size - used) { - err = -ERANGE; - goto failed; - } -@@ -86,7 +86,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - buffer[name_size] = '\0'; - buffer += name_size + 1; - } -- rest -= prefix_size + name_size + 1; -+ used += prefix_size + name_size + 1; - } else { - /* no handler or insuffficient privileges, so skip */ - err = squashfs_read_metadata(sb, NULL, &start, -@@ -107,7 +107,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - if (err < 0) - goto failed; - } -- err = buffer_size - rest; -+ err = used; - - failed: - return err; -diff --git a/fs/stat.c b/fs/stat.c -index cccc1aa..7fe8951 100644 ---- a/fs/stat.c -+++ b/fs/stat.c -@@ -28,8 +28,13 @@ void generic_fillattr(struct inode *inode, struct kstat *stat) - stat->gid = inode->i_gid; - stat->rdev = inode->i_rdev; - stat->size = i_size_read(inode); -- stat->atime = inode->i_atime; -- stat->mtime = inode->i_mtime; -+ if (is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) { -+ stat->atime = inode->i_ctime; -+ stat->mtime = inode->i_ctime; -+ } else { -+ stat->atime = inode->i_atime; -+ stat->mtime = inode->i_mtime; -+ } - stat->ctime = inode->i_ctime; - stat->blksize = (1 << inode->i_blkbits); - stat->blocks = inode->i_blocks; -@@ -52,9 +57,16 @@ EXPORT_SYMBOL(generic_fillattr); - int vfs_getattr_nosec(struct path *path, struct kstat *stat) - { - struct inode *inode = d_backing_inode(path->dentry); -+ int retval; - -- if (inode->i_op->getattr) -- return inode->i_op->getattr(path->mnt, path->dentry, stat); -+ if (inode->i_op->getattr) { -+ retval = inode->i_op->getattr(path->mnt, path->dentry, stat); -+ if (!retval && is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) { -+ stat->atime = stat->ctime; -+ stat->mtime = stat->ctime; -+ } -+ return retval; -+ } - - generic_fillattr(inode, stat); - return 0; -diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c -index 94374e4..b5da3a1 100644 ---- a/fs/sysfs/dir.c -+++ b/fs/sysfs/dir.c -@@ -33,6 +33,10 @@ void sysfs_warn_dup(struct kernfs_node *parent, const char *name) - kfree(buf); - } - -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+extern int grsec_enable_sysfs_restrict; -+#endif -+ - /** - * sysfs_create_dir_ns - create a directory for an object with a namespace tag - * @kobj: object we're creating directory for -@@ -41,9 +45,16 @@ void sysfs_warn_dup(struct kernfs_node *parent, const char *name) - int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) - { - struct kernfs_node *parent, *kn; -+ const char *name; -+ umode_t mode = S_IRWXU | S_IRUGO | S_IXUGO; -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ const char *parent_name; -+#endif - - BUG_ON(!kobj); - -+ name = kobject_name(kobj); -+ - if (kobj->parent) - parent = kobj->parent->sd; - else -@@ -52,11 +63,24 @@ int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) - if (!parent) - return -ENOENT; - -- kn = kernfs_create_dir_ns(parent, kobject_name(kobj), -- S_IRWXU | S_IRUGO | S_IXUGO, kobj, ns); -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ parent_name = parent->name; -+ mode = S_IRWXU; -+ -+ if ((!strcmp(parent_name, "") && (!strcmp(name, "devices") || !strcmp(name, "fs"))) || -+ (!strcmp(parent_name, "devices") && !strcmp(name, "system")) || -+ (!strcmp(parent_name, "fs") && (!strcmp(name, "selinux") || !strcmp(name, "fuse") || !strcmp(name, "ecryptfs"))) || -+ (!strcmp(parent_name, "system") && !strcmp(name, "cpu"))) -+ mode = S_IRWXU | S_IRUGO | S_IXUGO; -+ if (!grsec_enable_sysfs_restrict) -+ mode = S_IRWXU | S_IRUGO | S_IXUGO; -+#endif -+ -+ kn = kernfs_create_dir_ns(parent, name, -+ mode, kobj, ns); - if (IS_ERR(kn)) { - if (PTR_ERR(kn) == -EEXIST) -- sysfs_warn_dup(parent, kobject_name(kobj)); -+ sysfs_warn_dup(parent, name); - return PTR_ERR(kn); - } - -diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h -index 69d4889..a810bd4 100644 ---- a/fs/sysv/sysv.h -+++ b/fs/sysv/sysv.h -@@ -188,7 +188,7 @@ static inline u32 PDP_swab(u32 x) - #endif - } - --static inline __u32 fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n) -+static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n) - { - if (sbi->s_bytesex == BYTESEX_PDP) - return PDP_swab((__force __u32)n); -diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c -index a43df11..c368e71 100644 ---- a/fs/tracefs/inode.c -+++ b/fs/tracefs/inode.c -@@ -53,7 +53,7 @@ static const struct file_operations tracefs_file_operations = { - static struct tracefs_dir_ops { - int (*mkdir)(const char *name); - int (*rmdir)(const char *name); --} tracefs_ops; -+} __no_const tracefs_ops __read_only; - - static char *get_dname(struct dentry *dentry) - { -@@ -490,8 +490,10 @@ struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *pare - if (!dentry) - return NULL; - -- tracefs_ops.mkdir = mkdir; -- tracefs_ops.rmdir = rmdir; -+ pax_open_kernel(); -+ *(void **)&tracefs_ops.mkdir = mkdir; -+ *(void **)&tracefs_ops.rmdir = rmdir; -+ pax_close_kernel(); - - return dentry; - } -diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c -index 97be412..974b37f 100644 ---- a/fs/ubifs/io.c -+++ b/fs/ubifs/io.c -@@ -155,7 +155,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len) - return err; - } - --int ubifs_leb_unmap(struct ubifs_info *c, int lnum) -+int __intentional_overflow(-1) ubifs_leb_unmap(struct ubifs_info *c, int lnum) - { - int err; - -diff --git a/fs/udf/misc.c b/fs/udf/misc.c -index 71d1c25..084e2ad 100644 ---- a/fs/udf/misc.c -+++ b/fs/udf/misc.c -@@ -288,7 +288,7 @@ void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum, - - u8 udf_tag_checksum(const struct tag *t) - { -- u8 *data = (u8 *)t; -+ const u8 *data = (const u8 *)t; - u8 checksum = 0; - int i; - for (i = 0; i < sizeof(struct tag); ++i) -diff --git a/fs/ufs/swab.h b/fs/ufs/swab.h -index 8d974c4..b82f6ec 100644 ---- a/fs/ufs/swab.h -+++ b/fs/ufs/swab.h -@@ -22,7 +22,7 @@ enum { - BYTESEX_BE - }; - --static inline u64 -+static inline u64 __intentional_overflow(-1) - fs64_to_cpu(struct super_block *sbp, __fs64 n) - { - if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE) -@@ -40,7 +40,7 @@ cpu_to_fs64(struct super_block *sbp, u64 n) - return (__force __fs64)cpu_to_be64(n); - } - --static inline u32 -+static inline u32 __intentional_overflow(-1) - fs32_to_cpu(struct super_block *sbp, __fs32 n) - { - if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE) -diff --git a/fs/utimes.c b/fs/utimes.c -index aa138d6..5f3a811 100644 ---- a/fs/utimes.c -+++ b/fs/utimes.c -@@ -1,6 +1,7 @@ - #include <linux/compiler.h> - #include <linux/file.h> - #include <linux/fs.h> -+#include <linux/security.h> - #include <linux/linkage.h> - #include <linux/mount.h> - #include <linux/namei.h> -@@ -103,6 +104,12 @@ static int utimes_common(struct path *path, struct timespec *times) - } - } - retry_deleg: -+ -+ if (!gr_acl_handle_utime(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto mnt_drop_write_and_out; -+ } -+ - mutex_lock(&inode->i_mutex); - error = notify_change(path->dentry, &newattrs, &delegated_inode); - mutex_unlock(&inode->i_mutex); -diff --git a/fs/xattr.c b/fs/xattr.c -index 4ef6985..a6cd6567 100644 ---- a/fs/xattr.c -+++ b/fs/xattr.c -@@ -227,6 +227,27 @@ int vfs_xattr_cmp(struct dentry *dentry, const char *xattr_name, - return rc; - } - -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ssize_t -+pax_getxattr(struct dentry *dentry, void *value, size_t size) -+{ -+ struct inode *inode = dentry->d_inode; -+ ssize_t error; -+ -+ error = inode_permission(inode, MAY_EXEC); -+ if (error) -+ return error; -+ -+ if (inode->i_op->getxattr) -+ error = inode->i_op->getxattr(dentry, XATTR_NAME_PAX_FLAGS, value, size); -+ else -+ error = -EOPNOTSUPP; -+ -+ return error; -+} -+EXPORT_SYMBOL(pax_getxattr); -+#endif -+ - ssize_t - vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) - { -@@ -319,7 +340,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr); - * Extended attribute SET operations - */ - static long --setxattr(struct dentry *d, const char __user *name, const void __user *value, -+setxattr(struct path *path, const char __user *name, const void __user *value, - size_t size, int flags) - { - int error; -@@ -355,7 +376,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, - posix_acl_fix_xattr_from_user(kvalue, size); - } - -- error = vfs_setxattr(d, kname, kvalue, size, flags); -+ if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto out; -+ } -+ -+ error = vfs_setxattr(path->dentry, kname, kvalue, size, flags); - out: - if (vvalue) - vfree(vvalue); -@@ -376,7 +402,7 @@ retry: - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = setxattr(path.dentry, name, value, size, flags); -+ error = setxattr(&path, name, value, size, flags); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -412,7 +438,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, - audit_file(f.file); - error = mnt_want_write_file(f.file); - if (!error) { -- error = setxattr(f.file->f_path.dentry, name, value, size, flags); -+ error = setxattr(&f.file->f_path, name, value, size, flags); - mnt_drop_write_file(f.file); - } - fdput(f); -@@ -598,7 +624,7 @@ SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size) - * Extended attribute REMOVE operations - */ - static long --removexattr(struct dentry *d, const char __user *name) -+removexattr(struct path *path, const char __user *name) - { - int error; - char kname[XATTR_NAME_MAX + 1]; -@@ -609,7 +635,10 @@ removexattr(struct dentry *d, const char __user *name) - if (error < 0) - return error; - -- return vfs_removexattr(d, kname); -+ if (!gr_acl_handle_removexattr(path->dentry, path->mnt)) -+ return -EACCES; -+ -+ return vfs_removexattr(path->dentry, kname); - } - - static int path_removexattr(const char __user *pathname, -@@ -623,7 +652,7 @@ retry: - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = removexattr(path.dentry, name); -+ error = removexattr(&path, name); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -649,14 +678,16 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname, - SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) - { - struct fd f = fdget(fd); -+ struct path *path; - int error = -EBADF; - - if (!f.file) - return error; -+ path = &f.file->f_path; - audit_file(f.file); - error = mnt_want_write_file(f.file); - if (!error) { -- error = removexattr(f.file->f_path.dentry, name); -+ error = removexattr(path, name); - mnt_drop_write_file(f.file); - } - fdput(f); -diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c -index f1026e8..a0fbe4f 100644 ---- a/fs/xfs/libxfs/xfs_bmap.c -+++ b/fs/xfs/libxfs/xfs_bmap.c -@@ -554,7 +554,7 @@ xfs_bmap_validate_ret( - - #else - #define xfs_bmap_check_leaf_extents(cur, ip, whichfork) do { } while (0) --#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) -+#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do { } while (0) - #endif /* DEBUG */ - - /* -diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c -index 098cd78..724d3f8 100644 ---- a/fs/xfs/xfs_dir2_readdir.c -+++ b/fs/xfs/xfs_dir2_readdir.c -@@ -140,7 +140,12 @@ xfs_dir2_sf_getdents( - ino = dp->d_ops->sf_get_ino(sfp, sfep); - filetype = dp->d_ops->sf_get_ftype(sfep); - ctx->pos = off & 0x7fffffff; -- if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino, -+ if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) { -+ char name[sfep->namelen]; -+ memcpy(name, sfep->name, sfep->namelen); -+ if (!dir_emit(ctx, name, sfep->namelen, ino, xfs_dir3_get_dtype(dp->i_mount, filetype))) -+ return 0; -+ } else if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino, - xfs_dir3_get_dtype(dp->i_mount, filetype))) - return 0; - sfep = dp->d_ops->sf_nextentry(sfp, sfep); -diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c -index 87f67c6..7e335bf 100644 ---- a/fs/xfs/xfs_ioctl.c -+++ b/fs/xfs/xfs_ioctl.c -@@ -120,7 +120,7 @@ xfs_find_handle( - } - - error = -EFAULT; -- if (copy_to_user(hreq->ohandle, &handle, hsize) || -+ if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) || - copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) - goto out_put; - -diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h -index 7c7842c..ce15222 100644 ---- a/fs/xfs/xfs_linux.h -+++ b/fs/xfs/xfs_linux.h -@@ -225,7 +225,7 @@ static inline kgid_t xfs_gid_to_kgid(__uint32_t gid) - * of the compiler which do not like us using do_div in the middle - * of large functions. - */ --static inline __u32 xfs_do_div(void *a, __u32 b, int n) -+static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n) - { - __u32 mod; - -@@ -281,7 +281,7 @@ static inline __u32 xfs_do_mod(void *a, __u32 b, int n) - return 0; - } - #else --static inline __u32 xfs_do_div(void *a, __u32 b, int n) -+static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n) - { - __u32 mod; - -diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig -new file mode 100644 -index 0000000..31f8fe4 ---- /dev/null -+++ b/grsecurity/Kconfig -@@ -0,0 +1,1182 @@ -+# -+# grecurity configuration -+# -+menu "Memory Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_KMEM -+ bool "Deny reading/writing to /dev/kmem, /dev/mem, and /dev/port" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select STRICT_DEVMEM if (X86 || ARM || TILE || S390) -+ help -+ If you say Y here, /dev/kmem and /dev/mem won't be allowed to -+ be written to or read from to modify or leak the contents of the running -+ kernel. /dev/port will also not be allowed to be opened, writing to -+ /dev/cpu/*/msr will be prevented, and support for kexec will be removed. -+ If you have module support disabled, enabling this will close up several -+ ways that are currently used to insert malicious code into the running -+ kernel. -+ -+ Even with this feature enabled, we still highly recommend that -+ you use the RBAC system, as it is still possible for an attacker to -+ modify the running kernel through other more obscure methods. -+ -+ It is highly recommended that you say Y here if you meet all the -+ conditions above. -+ -+config GRKERNSEC_VM86 -+ bool "Restrict VM86 mode" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on X86_32 -+ -+ help -+ If you say Y here, only processes with CAP_SYS_RAWIO will be able to -+ make use of a special execution mode on 32bit x86 processors called -+ Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain -+ video cards and will still work with this option enabled. The purpose -+ of the option is to prevent exploitation of emulation errors in -+ virtualization of vm86 mode like the one discovered in VMWare in 2009. -+ Nearly all users should be able to enable this option. -+ -+config GRKERNSEC_IO -+ bool "Disable privileged I/O" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on X86 -+ select RTC_CLASS -+ select RTC_INTF_DEV -+ select RTC_DRV_CMOS -+ -+ help -+ If you say Y here, all ioperm and iopl calls will return an error. -+ Ioperm and iopl can be used to modify the running kernel. -+ Unfortunately, some programs need this access to operate properly, -+ the most notable of which are XFree86 and hwclock. hwclock can be -+ remedied by having RTC support in the kernel, so real-time -+ clock support is enabled if this option is enabled, to ensure -+ that hwclock operates correctly. If hwclock still does not work, -+ either update udev or symlink /dev/rtc to /dev/rtc0. -+ -+ If you're using XFree86 or a version of Xorg from 2012 or earlier, -+ you may not be able to boot into a graphical environment with this -+ option enabled. In this case, you should use the RBAC system instead. -+ -+config GRKERNSEC_BPF_HARDEN -+ bool "Harden BPF interpreter" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Unlike previous versions of grsecurity that hardened both the BPF -+ interpreted code against corruption at rest as well as the JIT code -+ against JIT-spray attacks and attacker-controlled immediate values -+ for ROP, this feature will enforce disabling of the new eBPF JIT engine -+ and will ensure the interpreted code is read-only at rest. This feature -+ may be removed at a later time when eBPF stabilizes to entirely revert -+ back to the more secure pre-3.16 BPF interpreter/JIT. -+ -+ If you're using KERNEXEC, it's recommended that you enable this option -+ to supplement the hardening of the kernel. -+ -+config GRKERNSEC_PERF_HARDEN -+ bool "Disable unprivileged PERF_EVENTS usage by default" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PERF_EVENTS -+ help -+ If you say Y here, the range of acceptable values for the -+ /proc/sys/kernel/perf_event_paranoid sysctl will be expanded to allow and -+ default to a new value: 3. When the sysctl is set to this value, no -+ unprivileged use of the PERF_EVENTS syscall interface will be permitted. -+ -+ Though PERF_EVENTS can be used legitimately for performance monitoring -+ and low-level application profiling, it is forced on regardless of -+ configuration, has been at fault for several vulnerabilities, and -+ creates new opportunities for side channels and other information leaks. -+ -+ This feature puts PERF_EVENTS into a secure default state and permits -+ the administrator to change out of it temporarily if unprivileged -+ application profiling is needed. -+ -+config GRKERNSEC_RAND_THREADSTACK -+ bool "Insert random gaps between thread stacks" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_RANDMMAP && !PPC -+ help -+ If you say Y here, a random-sized gap will be enforced between allocated -+ thread stacks. Glibc's NPTL and other threading libraries that -+ pass MAP_STACK to the kernel for thread stack allocation are supported. -+ The implementation currently provides 8 bits of entropy for the gap. -+ -+ Many distributions do not compile threaded remote services with the -+ -fstack-check argument to GCC, causing the variable-sized stack-based -+ allocator, alloca(), to not probe the stack on allocation. This -+ permits an unbounded alloca() to skip over any guard page and potentially -+ modify another thread's stack reliably. An enforced random gap -+ reduces the reliability of such an attack and increases the chance -+ that such a read/write to another thread's stack instead lands in -+ an unmapped area, causing a crash and triggering grsecurity's -+ anti-bruteforcing logic. -+ -+config GRKERNSEC_PROC_MEMMAP -+ bool "Harden ASLR against information leaks and entropy reduction" -+ default y if (GRKERNSEC_CONFIG_AUTO || PAX_NOEXEC || PAX_ASLR) -+ depends on PAX_NOEXEC || PAX_ASLR -+ help -+ If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will -+ give no information about the addresses of its mappings if -+ PaX features that rely on random addresses are enabled on the task. -+ In addition to sanitizing this information and disabling other -+ dangerous sources of information, this option causes reads of sensitive -+ /proc/<pid> entries where the file descriptor was opened in a different -+ task than the one performing the read. Such attempts are logged. -+ This option also limits argv/env strings for suid/sgid binaries -+ to 512KB to prevent a complete exhaustion of the stack entropy provided -+ by ASLR. Finally, it places an 8MB stack resource limit on suid/sgid -+ binaries to prevent alternative mmap layouts from being abused. -+ -+ If you use PaX it is essential that you say Y here as it closes up -+ several holes that make full ASLR useless locally. -+ -+ -+config GRKERNSEC_KSTACKOVERFLOW -+ bool "Prevent kernel stack overflows" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on !IA64 && 64BIT -+ help -+ If you say Y here, the kernel's process stacks will be allocated -+ with vmalloc instead of the kernel's default allocator. This -+ introduces guard pages that in combination with the alloca checking -+ of the STACKLEAK feature prevents all forms of kernel process stack -+ overflow abuse. Note that this is different from kernel stack -+ buffer overflows. -+ -+config GRKERNSEC_BRUTE -+ bool "Deter exploit bruteforcing" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, attempts to bruteforce exploits against forking -+ daemons such as apache or sshd, as well as against suid/sgid binaries -+ will be deterred. When a child of a forking daemon is killed by PaX -+ or crashes due to an illegal instruction or other suspicious signal, -+ the parent process will be delayed 30 seconds upon every subsequent -+ fork until the administrator is able to assess the situation and -+ restart the daemon. -+ In the suid/sgid case, the attempt is logged, the user has all their -+ existing instances of the suid/sgid binary terminated and will -+ be unable to execute any suid/sgid binaries for 15 minutes. -+ -+ It is recommended that you also enable signal logging in the auditing -+ section so that logs are generated when a process triggers a suspicious -+ signal. -+ If the sysctl option is enabled, a sysctl option with name -+ "deter_bruteforce" is created. -+ -+config GRKERNSEC_MODHARDEN -+ bool "Harden module auto-loading" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on MODULES -+ help -+ If you say Y here, module auto-loading in response to use of some -+ feature implemented by an unloaded module will be restricted to -+ root users. Enabling this option helps defend against attacks -+ by unprivileged users who abuse the auto-loading behavior to -+ cause a vulnerable module to load that is then exploited. -+ -+ If this option prevents a legitimate use of auto-loading for a -+ non-root user, the administrator can execute modprobe manually -+ with the exact name of the module mentioned in the alert log. -+ Alternatively, the administrator can add the module to the list -+ of modules loaded at boot by modifying init scripts. -+ -+ Modification of init scripts will most likely be needed on -+ Ubuntu servers with encrypted home directory support enabled, -+ as the first non-root user logging in will cause the ecb(aes), -+ ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded. -+ -+config GRKERNSEC_HIDESYM -+ bool "Hide kernel symbols" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select PAX_USERCOPY_SLABS -+ help -+ If you say Y here, getting information on loaded modules, and -+ displaying all kernel symbols through a syscall will be restricted -+ to users with CAP_SYS_MODULE. For software compatibility reasons, -+ /proc/kallsyms will be restricted to the root user. The RBAC -+ system can hide that entry even from root. -+ -+ This option also prevents leaking of kernel addresses through -+ several /proc entries. -+ -+ Note that this option is only effective provided the following -+ conditions are met: -+ 1) The kernel using grsecurity is not precompiled by some distribution -+ 2) You have also enabled GRKERNSEC_DMESG -+ 3) You are using the RBAC system and hiding other files such as your -+ kernel image and System.map. Alternatively, enabling this option -+ causes the permissions on /boot, /lib/modules, and the kernel -+ source directory to change at compile time to prevent -+ reading by non-root users. -+ If the above conditions are met, this option will aid in providing a -+ useful protection against local kernel exploitation of overflows -+ and arbitrary read/write vulnerabilities. -+ -+ It is highly recommended that you enable GRKERNSEC_PERF_HARDEN -+ in addition to this feature. -+ -+config GRKERNSEC_RANDSTRUCT -+ bool "Randomize layout of sensitive kernel structures" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select GRKERNSEC_HIDESYM -+ select MODVERSIONS if MODULES -+ help -+ If you say Y here, the layouts of a number of sensitive kernel -+ structures (task, fs, cred, etc) and all structures composed entirely -+ of function pointers (aka "ops" structs) will be randomized at compile-time. -+ This can introduce the requirement of an additional infoleak -+ vulnerability for exploits targeting these structure types. -+ -+ Enabling this feature will introduce some performance impact, slightly -+ increase memory usage, and prevent the use of forensic tools like -+ Volatility against the system (unless the kernel source tree isn't -+ cleaned after kernel installation). -+ -+ The seed used for compilation is located at tools/gcc/randomize_layout_seed.h. -+ It remains after a make clean to allow for external modules to be compiled -+ with the existing seed and will be removed by a make mrproper or -+ make distclean. -+ -+ Note that the implementation requires gcc 4.6.4. or newer. You may need -+ to install the supporting headers explicitly in addition to the normal -+ gcc package. -+ -+config GRKERNSEC_RANDSTRUCT_PERFORMANCE -+ bool "Use cacheline-aware structure randomization" -+ depends on GRKERNSEC_RANDSTRUCT -+ default y if GRKERNSEC_CONFIG_PRIORITY_PERF -+ help -+ If you say Y here, the RANDSTRUCT randomization will make a best effort -+ at restricting randomization to cacheline-sized groups of elements. It -+ will further not randomize bitfields in structures. This reduces the -+ performance hit of RANDSTRUCT at the cost of weakened randomization. -+ -+config GRKERNSEC_KERN_LOCKOUT -+ bool "Active kernel exploit response" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on X86 || ARM || PPC || SPARC -+ help -+ If you say Y here, when a PaX alert is triggered due to suspicious -+ activity in the kernel (from KERNEXEC/UDEREF/USERCOPY) -+ or an OOPS occurs due to bad memory accesses, instead of just -+ terminating the offending process (and potentially allowing -+ a subsequent exploit from the same user), we will take one of two -+ actions: -+ If the user was root, we will panic the system -+ If the user was non-root, we will log the attempt, terminate -+ all processes owned by the user, then prevent them from creating -+ any new processes until the system is restarted -+ This deters repeated kernel exploitation/bruteforcing attempts -+ and is useful for later forensics. -+ -+config GRKERNSEC_OLD_ARM_USERLAND -+ bool "Old ARM userland compatibility" -+ depends on ARM && (CPU_V6 || CPU_V6K || CPU_V7) -+ help -+ If you say Y here, stubs of executable code to perform such operations -+ as "compare-exchange" will be placed at fixed locations in the ARM vector -+ table. This is unfortunately needed for old ARM userland meant to run -+ across a wide range of processors. Without this option enabled, -+ the get_tls and data memory barrier stubs will be emulated by the kernel, -+ which is enough for Linaro userlands or other userlands designed for v6 -+ and newer ARM CPUs. It's recommended that you try without this option enabled -+ first, and only enable it if your userland does not boot (it will likely fail -+ at init time). -+ -+endmenu -+menu "Role Based Access Control Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_RBAC_DEBUG -+ bool -+ -+config GRKERNSEC_NO_RBAC -+ bool "Disable RBAC system" -+ help -+ If you say Y here, the /dev/grsec device will be removed from the kernel, -+ preventing the RBAC system from being enabled. You should only say Y -+ here if you have no intention of using the RBAC system, so as to prevent -+ an attacker with root access from misusing the RBAC system to hide files -+ and processes when loadable module support and /dev/[k]mem have been -+ locked down. -+ -+config GRKERNSEC_ACL_HIDEKERN -+ bool "Hide kernel processes" -+ help -+ If you say Y here, all kernel threads will be hidden to all -+ processes but those whose subject has the "view hidden processes" -+ flag. -+ -+config GRKERNSEC_ACL_MAXTRIES -+ int "Maximum tries before password lockout" -+ default 3 -+ help -+ This option enforces the maximum number of times a user can attempt -+ to authorize themselves with the grsecurity RBAC system before being -+ denied the ability to attempt authorization again for a specified time. -+ The lower the number, the harder it will be to brute-force a password. -+ -+config GRKERNSEC_ACL_TIMEOUT -+ int "Time to wait after max password tries, in seconds" -+ default 30 -+ help -+ This option specifies the time the user must wait after attempting to -+ authorize to the RBAC system with the maximum number of invalid -+ passwords. The higher the number, the harder it will be to brute-force -+ a password. -+ -+endmenu -+menu "Filesystem Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_PROC -+ bool "Proc restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, the permissions of the /proc filesystem -+ will be altered to enhance system security and privacy. You MUST -+ choose either a user only restriction or a user and group restriction. -+ Depending upon the option you choose, you can either restrict users to -+ see only the processes they themselves run, or choose a group that can -+ view all processes and files normally restricted to root if you choose -+ the "restrict to user only" option. NOTE: If you're running identd or -+ ntpd as a non-root user, you will have to run it as the group you -+ specify here. -+ -+config GRKERNSEC_PROC_USER -+ bool "Restrict /proc to user only" -+ depends on GRKERNSEC_PROC -+ help -+ If you say Y here, non-root users will only be able to view their own -+ processes, and restricts them from viewing network-related information, -+ and viewing kernel symbol and module information. -+ -+config GRKERNSEC_PROC_USERGROUP -+ bool "Allow special group" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER -+ help -+ If you say Y here, you will be able to select a group that will be -+ able to view all processes and network-related information. If you've -+ enabled GRKERNSEC_HIDESYM, kernel and symbol information may still -+ remain hidden. This option is useful if you want to run identd as -+ a non-root user. The group you select may also be chosen at boot time -+ via "grsec_proc_gid=" on the kernel commandline. -+ -+config GRKERNSEC_PROC_GID -+ int "GID for special group" -+ depends on GRKERNSEC_PROC_USERGROUP -+ default 1001 -+ -+config GRKERNSEC_PROC_ADD -+ bool "Additional restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP -+ help -+ If you say Y here, additional restrictions will be placed on -+ /proc that keep normal users from viewing device information and -+ slabinfo information that could be useful for exploits. -+ -+config GRKERNSEC_LINK -+ bool "Linking restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, /tmp race exploits will be prevented, since users -+ will no longer be able to follow symlinks owned by other users in -+ world-writable +t directories (e.g. /tmp), unless the owner of the -+ symlink is the owner of the directory. users will also not be -+ able to hardlink to files they do not own. If the sysctl option is -+ enabled, a sysctl option with name "linking_restrictions" is created. -+ -+config GRKERNSEC_SYMLINKOWN -+ bool "Kernel-enforced SymlinksIfOwnerMatch" -+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER -+ help -+ Apache's SymlinksIfOwnerMatch option has an inherent race condition -+ that prevents it from being used as a security feature. As Apache -+ verifies the symlink by performing a stat() against the target of -+ the symlink before it is followed, an attacker can setup a symlink -+ to point to a same-owned file, then replace the symlink with one -+ that targets another user's file just after Apache "validates" the -+ symlink -- a classic TOCTOU race. If you say Y here, a complete, -+ race-free replacement for Apache's "SymlinksIfOwnerMatch" option -+ will be in place for the group you specify. If the sysctl option -+ is enabled, a sysctl option with name "enforce_symlinksifowner" is -+ created. -+ -+config GRKERNSEC_SYMLINKOWN_GID -+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch" -+ depends on GRKERNSEC_SYMLINKOWN -+ default 1006 -+ help -+ Setting this GID determines what group kernel-enforced -+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option -+ is enabled, a sysctl option with name "symlinkown_gid" is created. -+ -+config GRKERNSEC_FIFO -+ bool "FIFO restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, users will not be able to write to FIFOs they don't -+ own in world-writable +t directories (e.g. /tmp), unless the owner of -+ the FIFO is the same owner of the directory it's held in. If the sysctl -+ option is enabled, a sysctl option with name "fifo_restrictions" is -+ created. -+ -+config GRKERNSEC_SYSFS_RESTRICT -+ bool "Sysfs/debugfs restriction" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on SYSFS -+ help -+ If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and -+ any filesystem normally mounted under it (e.g. debugfs) will be -+ mostly accessible only by root. These filesystems generally provide access -+ to hardware and debug information that isn't appropriate for unprivileged -+ users of the system. Sysfs and debugfs have also become a large source -+ of new vulnerabilities, ranging from infoleaks to local compromise. -+ There has been very little oversight with an eye toward security involved -+ in adding new exporters of information to these filesystems, so their -+ use is discouraged. -+ For reasons of compatibility, a few directories have been whitelisted -+ for access by non-root users: -+ /sys/fs/selinux -+ /sys/fs/fuse -+ /sys/devices/system/cpu -+ -+config GRKERNSEC_ROFS -+ bool "Runtime read-only mount protection" -+ depends on SYSCTL -+ help -+ If you say Y here, a sysctl option with name "romount_protect" will -+ be created. By setting this option to 1 at runtime, filesystems -+ will be protected in the following ways: -+ * No new writable mounts will be allowed -+ * Existing read-only mounts won't be able to be remounted read/write -+ * Write operations will be denied on all block devices -+ This option acts independently of grsec_lock: once it is set to 1, -+ it cannot be turned off. Therefore, please be mindful of the resulting -+ behavior if this option is enabled in an init script on a read-only -+ filesystem. -+ Also be aware that as with other root-focused features, GRKERNSEC_KMEM -+ and GRKERNSEC_IO should be enabled and module loading disabled via -+ config or at runtime. -+ This feature is mainly intended for secure embedded systems. -+ -+ -+config GRKERNSEC_DEVICE_SIDECHANNEL -+ bool "Eliminate stat/notify-based device sidechannels" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, timing analyses on block or character -+ devices like /dev/ptmx using stat or inotify/dnotify/fanotify -+ will be thwarted for unprivileged users. If a process without -+ CAP_MKNOD stats such a device, the last access and last modify times -+ will match the device's create time. No access or modify events -+ will be triggered through inotify/dnotify/fanotify for such devices. -+ This feature will prevent attacks that may at a minimum -+ allow an attacker to determine the administrator's password length. -+ -+config GRKERNSEC_CHROOT -+ bool "Chroot jail restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, you will be able to choose several options that will -+ make breaking out of a chrooted jail much more difficult. If you -+ encounter no software incompatibilities with the following options, it -+ is recommended that you enable each one. -+ -+ Note that the chroot restrictions are not intended to apply to "chroots" -+ to directories that are simple bind mounts of the global root filesystem. -+ For several other reasons, a user shouldn't expect any significant -+ security by performing such a chroot. -+ -+config GRKERNSEC_CHROOT_MOUNT -+ bool "Deny mounts" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ mount or remount filesystems. If the sysctl option is enabled, a -+ sysctl option with name "chroot_deny_mount" is created. -+ -+config GRKERNSEC_CHROOT_DOUBLE -+ bool "Deny double-chroots" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chroot -+ again outside the chroot. This is a widely used method of breaking -+ out of a chroot jail and should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name -+ "chroot_deny_chroot" is created. -+ -+config GRKERNSEC_CHROOT_PIVOT -+ bool "Deny pivot_root in chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to use -+ a function called pivot_root() that was introduced in Linux 2.3.41. It -+ works similar to chroot in that it changes the root filesystem. This -+ function could be misused in a chrooted process to attempt to break out -+ of the chroot, and therefore should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_pivot" is -+ created. -+ -+config GRKERNSEC_CHROOT_CHDIR -+ bool "Enforce chdir(\"/\") on all chroots" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the current working directory of all newly-chrooted -+ applications will be set to the the root directory of the chroot. -+ The man page on chroot(2) states: -+ Note that this call does not change the current working -+ directory, so that `.' can be outside the tree rooted at -+ `/'. In particular, the super-user can escape from a -+ `chroot jail' by doing `mkdir foo; chroot foo; cd ..'. -+ -+ It is recommended that you say Y here, since it's not known to break -+ any software. If the sysctl option is enabled, a sysctl option with -+ name "chroot_enforce_chdir" is created. -+ -+config GRKERNSEC_CHROOT_CHMOD -+ bool "Deny (f)chmod +s" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chmod -+ or fchmod files to make them have suid or sgid bits. This protects -+ against another published method of breaking a chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_chmod" is -+ created. -+ -+config GRKERNSEC_CHROOT_FCHDIR -+ bool "Deny fchdir and fhandle out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, a well-known method of breaking chroots by fchdir'ing -+ to a file descriptor of the chrooting process that points to a directory -+ outside the filesystem will be stopped. Additionally, this option prevents -+ use of the recently-created syscall for opening files by a guessable "file -+ handle" inside a chroot. If the sysctl option is enabled, a sysctl option -+ with name "chroot_deny_fchdir" is created. -+ -+config GRKERNSEC_CHROOT_MKNOD -+ bool "Deny mknod" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be allowed to -+ mknod. The problem with using mknod inside a chroot is that it -+ would allow an attacker to create a device entry that is the same -+ as one on the physical root of your system, which could range from -+ anything from the console device to a device for your harddrive (which -+ they could then use to wipe the drive or steal data). It is recommended -+ that you say Y here, unless you run into software incompatibilities. -+ If the sysctl option is enabled, a sysctl option with name -+ "chroot_deny_mknod" is created. -+ -+config GRKERNSEC_CHROOT_SHMAT -+ bool "Deny shmat() out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to attach -+ to shared memory segments that were created outside of the chroot jail. -+ It is recommended that you say Y here. If the sysctl option is enabled, -+ a sysctl option with name "chroot_deny_shmat" is created. -+ -+config GRKERNSEC_CHROOT_UNIX -+ bool "Deny access to abstract AF_UNIX sockets out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ connect to abstract (meaning not belonging to a filesystem) Unix -+ domain sockets that were bound outside of a chroot. It is recommended -+ that you say Y here. If the sysctl option is enabled, a sysctl option -+ with name "chroot_deny_unix" is created. -+ -+config GRKERNSEC_CHROOT_FINDTASK -+ bool "Protect outside processes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ kill, send signals with fcntl, ptrace, capget, getpgid, setpgid, -+ getsid, or view any process outside of the chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_findtask" is -+ created. -+ -+config GRKERNSEC_CHROOT_NICE -+ bool "Restrict priority changes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to raise -+ the priority of processes in the chroot, or alter the priority of -+ processes outside the chroot. This provides more security than simply -+ removing CAP_SYS_NICE from the process' capability set. If the -+ sysctl option is enabled, a sysctl option with name "chroot_restrict_nice" -+ is created. -+ -+config GRKERNSEC_CHROOT_SYSCTL -+ bool "Deny sysctl writes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, an attacker in a chroot will not be able to -+ write to sysctl entries, either by sysctl(2) or through a /proc -+ interface. It is strongly recommended that you say Y here. If the -+ sysctl option is enabled, a sysctl option with name -+ "chroot_deny_sysctl" is created. -+ -+config GRKERNSEC_CHROOT_RENAME -+ bool "Deny bad renames" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, an attacker in a chroot will not be able to -+ abuse the ability to create double chroots to break out of the -+ chroot by exploiting a race condition between a rename of a directory -+ within a chroot against an open of a symlink with relative path -+ components. This feature will likewise prevent an accomplice outside -+ a chroot from enabling a user inside the chroot to break out and make -+ use of their credentials on the global filesystem. Enabling this -+ feature is essential to prevent root users from breaking out of a -+ chroot. If the sysctl option is enabled, a sysctl option with name -+ "chroot_deny_bad_rename" is created. -+ -+config GRKERNSEC_CHROOT_CAPS -+ bool "Capability restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the capabilities on all processes within a -+ chroot jail will be lowered to stop module insertion, raw i/o, -+ system and net admin tasks, rebooting the system, modifying immutable -+ files, modifying IPC owned by another, and changing the system time. -+ This is left an option because it can break some apps. Disable this -+ if your chrooted apps are having problems performing those kinds of -+ tasks. If the sysctl option is enabled, a sysctl option with -+ name "chroot_caps" is created. -+ -+config GRKERNSEC_CHROOT_INITRD -+ bool "Exempt initrd tasks from restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT && BLK_DEV_INITRD -+ help -+ If you say Y here, tasks started prior to init will be exempted from -+ grsecurity's chroot restrictions. This option is mainly meant to -+ resolve Plymouth's performing privileged operations unnecessarily -+ in a chroot. -+ -+endmenu -+menu "Kernel Auditing" -+depends on GRKERNSEC -+ -+config GRKERNSEC_AUDIT_GROUP -+ bool "Single group for auditing" -+ help -+ If you say Y here, the exec and chdir logging features will only operate -+ on a group you specify. This option is recommended if you only want to -+ watch certain users instead of having a large amount of logs from the -+ entire system. If the sysctl option is enabled, a sysctl option with -+ name "audit_group" is created. -+ -+config GRKERNSEC_AUDIT_GID -+ int "GID for auditing" -+ depends on GRKERNSEC_AUDIT_GROUP -+ default 1007 -+ -+config GRKERNSEC_EXECLOG -+ bool "Exec logging" -+ help -+ If you say Y here, all execve() calls will be logged (since the -+ other exec*() calls are frontends to execve(), all execution -+ will be logged). Useful for shell-servers that like to keep track -+ of their users. If the sysctl option is enabled, a sysctl option with -+ name "exec_logging" is created. -+ WARNING: This option when enabled will produce a LOT of logs, especially -+ on an active system. -+ -+config GRKERNSEC_RESLOG -+ bool "Resource logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, all attempts to overstep resource limits will -+ be logged with the resource name, the requested size, and the current -+ limit. It is highly recommended that you say Y here. If the sysctl -+ option is enabled, a sysctl option with name "resource_logging" is -+ created. If the RBAC system is enabled, the sysctl value is ignored. -+ -+config GRKERNSEC_CHROOT_EXECLOG -+ bool "Log execs within chroot" -+ help -+ If you say Y here, all executions inside a chroot jail will be logged -+ to syslog. This can cause a large amount of logs if certain -+ applications (eg. djb's daemontools) are installed on the system, and -+ is therefore left as an option. If the sysctl option is enabled, a -+ sysctl option with name "chroot_execlog" is created. -+ -+config GRKERNSEC_AUDIT_PTRACE -+ bool "Ptrace logging" -+ help -+ If you say Y here, all attempts to attach to a process via ptrace -+ will be logged. If the sysctl option is enabled, a sysctl option -+ with name "audit_ptrace" is created. -+ -+config GRKERNSEC_AUDIT_CHDIR -+ bool "Chdir logging" -+ help -+ If you say Y here, all chdir() calls will be logged. If the sysctl -+ option is enabled, a sysctl option with name "audit_chdir" is created. -+ -+config GRKERNSEC_AUDIT_MOUNT -+ bool "(Un)Mount logging" -+ help -+ If you say Y here, all mounts and unmounts will be logged. If the -+ sysctl option is enabled, a sysctl option with name "audit_mount" is -+ created. -+ -+config GRKERNSEC_SIGNAL -+ bool "Signal logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, certain important signals will be logged, such as -+ SIGSEGV, which will as a result inform you of when a error in a program -+ occurred, which in some cases could mean a possible exploit attempt. -+ If the sysctl option is enabled, a sysctl option with name -+ "signal_logging" is created. -+ -+config GRKERNSEC_FORKFAIL -+ bool "Fork failure logging" -+ help -+ If you say Y here, all failed fork() attempts will be logged. -+ This could suggest a fork bomb, or someone attempting to overstep -+ their process limit. If the sysctl option is enabled, a sysctl option -+ with name "forkfail_logging" is created. -+ -+config GRKERNSEC_TIME -+ bool "Time change logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, any changes of the system clock will be logged. -+ If the sysctl option is enabled, a sysctl option with name -+ "timechange_logging" is created. -+ -+config GRKERNSEC_PROC_IPADDR -+ bool "/proc/<pid>/ipaddr support" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, a new entry will be added to each /proc/<pid> -+ directory that contains the IP address of the person using the task. -+ The IP is carried across local TCP and AF_UNIX stream sockets. -+ This information can be useful for IDS/IPSes to perform remote response -+ to a local attack. The entry is readable by only the owner of the -+ process (and root if he has CAP_DAC_OVERRIDE, which can be removed via -+ the RBAC system), and thus does not create privacy concerns. -+ -+config GRKERNSEC_RWXMAP_LOG -+ bool 'Denied RWX mmap/mprotect logging' -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT -+ help -+ If you say Y here, calls to mmap() and mprotect() with explicit -+ usage of PROT_WRITE and PROT_EXEC together will be logged when -+ denied by the PAX_MPROTECT feature. This feature will also -+ log other problematic scenarios that can occur when PAX_MPROTECT -+ is enabled on a binary, like textrels and PT_GNU_STACK. If the -+ sysctl option is enabled, a sysctl option with name "rwxmap_logging" -+ is created. -+ -+endmenu -+ -+menu "Executable Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_DMESG -+ bool "Dmesg(8) restriction" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, non-root users will not be able to use dmesg(8) -+ to view the contents of the kernel's circular log buffer. -+ The kernel's log buffer often contains kernel addresses and other -+ identifying information useful to an attacker in fingerprinting a -+ system for a targeted exploit. -+ If the sysctl option is enabled, a sysctl option with name "dmesg" is -+ created. -+ -+config GRKERNSEC_HARDEN_PTRACE -+ bool "Deter ptrace-based process snooping" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, TTY sniffers and other malicious monitoring -+ programs implemented through ptrace will be defeated. If you -+ have been using the RBAC system, this option has already been -+ enabled for several years for all users, with the ability to make -+ fine-grained exceptions. -+ -+ This option only affects the ability of non-root users to ptrace -+ processes that are not a descendent of the ptracing process. -+ This means that strace ./binary and gdb ./binary will still work, -+ but attaching to arbitrary processes will not. If the sysctl -+ option is enabled, a sysctl option with name "harden_ptrace" is -+ created. -+ -+config GRKERNSEC_PTRACE_READEXEC -+ bool "Require read access to ptrace sensitive binaries" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, unprivileged users will not be able to ptrace unreadable -+ binaries. This option is useful in environments that -+ remove the read bits (e.g. file mode 4711) from suid binaries to -+ prevent infoleaking of their contents. This option adds -+ consistency to the use of that file mode, as the binary could normally -+ be read out when run without privileges while ptracing. -+ -+ If the sysctl option is enabled, a sysctl option with name "ptrace_readexec" -+ is created. -+ -+config GRKERNSEC_SETXID -+ bool "Enforce consistent multithreaded privileges" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on (X86 || SPARC64 || PPC || ARM || MIPS) -+ help -+ If you say Y here, a change from a root uid to a non-root uid -+ in a multithreaded application will cause the resulting uids, -+ gids, supplementary groups, and capabilities in that thread -+ to be propagated to the other threads of the process. In most -+ cases this is unnecessary, as glibc will emulate this behavior -+ on behalf of the application. Other libcs do not act in the -+ same way, allowing the other threads of the process to continue -+ running with root privileges. If the sysctl option is enabled, -+ a sysctl option with name "consistent_setxid" is created. -+ -+config GRKERNSEC_HARDEN_IPC -+ bool "Disallow access to overly-permissive IPC objects" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on SYSVIPC -+ help -+ If you say Y here, access to overly-permissive IPC objects (shared -+ memory, message queues, and semaphores) will be denied for processes -+ given the following criteria beyond normal permission checks: -+ 1) If the IPC object is world-accessible and the euid doesn't match -+ that of the creator or current uid for the IPC object -+ 2) If the IPC object is group-accessible and the egid doesn't -+ match that of the creator or current gid for the IPC object -+ It's a common error to grant too much permission to these objects, -+ with impact ranging from denial of service and information leaking to -+ privilege escalation. This feature was developed in response to -+ research by Tim Brown: -+ http://labs.portcullis.co.uk/whitepapers/memory-squatting-attacks-on-system… -+ who found hundreds of such insecure usages. Processes with -+ CAP_IPC_OWNER are still permitted to access these IPC objects. -+ If the sysctl option is enabled, a sysctl option with name -+ "harden_ipc" is created. -+ -+config GRKERNSEC_TPE -+ bool "Trusted Path Execution (TPE)" -+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER -+ help -+ If you say Y here, you will be able to choose a gid to add to the -+ supplementary groups of users you want to mark as "untrusted." -+ These users will not be able to execute any files that are not in -+ root-owned directories writable only by root. If the sysctl option -+ is enabled, a sysctl option with name "tpe" is created. -+ -+config GRKERNSEC_TPE_ALL -+ bool "Partially restrict all non-root users" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, all non-root users will be covered under -+ a weaker TPE restriction. This is separate from, and in addition to, -+ the main TPE options that you have selected elsewhere. Thus, if a -+ "trusted" GID is chosen, this restriction applies to even that GID. -+ Under this restriction, all non-root users will only be allowed to -+ execute files in directories they own that are not group or -+ world-writable, or in directories owned by root and writable only by -+ root. If the sysctl option is enabled, a sysctl option with name -+ "tpe_restrict_all" is created. -+ -+config GRKERNSEC_TPE_INVERT -+ bool "Invert GID option" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, the group you specify in the TPE configuration will -+ decide what group TPE restrictions will be *disabled* for. This -+ option is useful if you want TPE restrictions to be applied to most -+ users on the system. If the sysctl option is enabled, a sysctl option -+ with name "tpe_invert" is created. Unlike other sysctl options, this -+ entry will default to on for backward-compatibility. -+ -+config GRKERNSEC_TPE_GID -+ int -+ default GRKERNSEC_TPE_UNTRUSTED_GID if (GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT) -+ default GRKERNSEC_TPE_TRUSTED_GID if (GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT) -+ -+config GRKERNSEC_TPE_UNTRUSTED_GID -+ int "GID for TPE-untrusted users" -+ depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *enabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+config GRKERNSEC_TPE_TRUSTED_GID -+ int "GID for TPE-trusted users" -+ depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *disabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+endmenu -+menu "Network Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_BLACKHOLE -+ bool "TCP/UDP blackhole and LAST_ACK DoS prevention" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on NET -+ help -+ If you say Y here, neither TCP resets nor ICMP -+ destination-unreachable packets will be sent in response to packets -+ sent to ports for which no associated listening process exists. -+ It will also prevent the sending of ICMP protocol unreachable packets -+ in response to packets with unknown protocols. -+ This feature supports both IPV4 and IPV6 and exempts the -+ loopback interface from blackholing. Enabling this feature -+ makes a host more resilient to DoS attacks and reduces network -+ visibility against scanners. -+ -+ The blackhole feature as-implemented is equivalent to the FreeBSD -+ blackhole feature, as it prevents RST responses to all packets, not -+ just SYNs. Under most application behavior this causes no -+ problems, but applications (like haproxy) may not close certain -+ connections in a way that cleanly terminates them on the remote -+ end, leaving the remote host in LAST_ACK state. Because of this -+ side-effect and to prevent intentional LAST_ACK DoSes, this -+ feature also adds automatic mitigation against such attacks. -+ The mitigation drastically reduces the amount of time a socket -+ can spend in LAST_ACK state. If you're using haproxy and not -+ all servers it connects to have this option enabled, consider -+ disabling this feature on the haproxy host. -+ -+ If the sysctl option is enabled, two sysctl options with names -+ "ip_blackhole" and "lastack_retries" will be created. -+ While "ip_blackhole" takes the standard zero/non-zero on/off -+ toggle, "lastack_retries" uses the same kinds of values as -+ "tcp_retries1" and "tcp_retries2". The default value of 4 -+ prevents a socket from lasting more than 45 seconds in LAST_ACK -+ state. -+ -+config GRKERNSEC_NO_SIMULT_CONNECT -+ bool "Disable TCP Simultaneous Connect" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on NET -+ help -+ If you say Y here, a feature by Willy Tarreau will be enabled that -+ removes a weakness in Linux's strict implementation of TCP that -+ allows two clients to connect to each other without either entering -+ a listening state. The weakness allows an attacker to easily prevent -+ a client from connecting to a known server provided the source port -+ for the connection is guessed correctly. -+ -+ As the weakness could be used to prevent an antivirus or IPS from -+ fetching updates, or prevent an SSL gateway from fetching a CRL, -+ it should be eliminated by enabling this option. Though Linux is -+ one of few operating systems supporting simultaneous connect, it -+ has no legitimate use in practice and is rarely supported by firewalls. -+ -+config GRKERNSEC_SOCKET -+ bool "Socket restrictions" -+ depends on NET -+ help -+ If you say Y here, you will be able to choose from several options. -+ If you assign a GID on your system and add it to the supplementary -+ groups of users you want to restrict socket access to, this patch -+ will perform up to three things, based on the option(s) you choose. -+ -+config GRKERNSEC_SOCKET_ALL -+ bool "Deny any sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine or run server -+ applications from your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_all" is created. -+ -+config GRKERNSEC_SOCKET_ALL_GID -+ int "GID to deny all sockets for" -+ depends on GRKERNSEC_SOCKET_ALL -+ default 1004 -+ help -+ Here you can choose the GID to disable socket access for. Remember to -+ add the users you want socket access disabled for to the GID -+ specified here. If the sysctl option is enabled, a sysctl option -+ with name "socket_all_gid" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT -+ bool "Deny client sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine, but will be -+ able to run servers. If this option is enabled, all users in the group -+ you specify will have to use passive mode when initiating ftp transfers -+ from the shell on your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_client" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT_GID -+ int "GID to deny client sockets for" -+ depends on GRKERNSEC_SOCKET_CLIENT -+ default 1003 -+ help -+ Here you can choose the GID to disable client socket access for. -+ Remember to add the users you want client socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_client_gid" is created. -+ -+config GRKERNSEC_SOCKET_SERVER -+ bool "Deny server sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to run server applications from your machine. If the sysctl -+ option is enabled, a sysctl option with name "socket_server" is created. -+ -+config GRKERNSEC_SOCKET_SERVER_GID -+ int "GID to deny server sockets for" -+ depends on GRKERNSEC_SOCKET_SERVER -+ default 1002 -+ help -+ Here you can choose the GID to disable server socket access for. -+ Remember to add the users you want server socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_server_gid" is created. -+ -+endmenu -+ -+menu "Physical Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_DENYUSB -+ bool "Deny new USB connections after toggle" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on SYSCTL && USB_SUPPORT -+ help -+ If you say Y here, a new sysctl option with name "deny_new_usb" -+ will be created. Setting its value to 1 will prevent any new -+ USB devices from being recognized by the OS. Any attempted USB -+ device insertion will be logged. This option is intended to be -+ used against custom USB devices designed to exploit vulnerabilities -+ in various USB device drivers. -+ -+ For greatest effectiveness, this sysctl should be set after any -+ relevant init scripts. This option is safe to enable in distros -+ as each user can choose whether or not to toggle the sysctl. -+ -+config GRKERNSEC_DENYUSB_FORCE -+ bool "Reject all USB devices not connected at boot" -+ select USB -+ depends on GRKERNSEC_DENYUSB -+ help -+ If you say Y here, a variant of GRKERNSEC_DENYUSB will be enabled -+ that doesn't involve a sysctl entry. This option should only be -+ enabled if you're sure you want to deny all new USB connections -+ at runtime and don't want to modify init scripts. This should not -+ be enabled by distros. It forces the core USB code to be built -+ into the kernel image so that all devices connected at boot time -+ can be recognized and new USB device connections can be prevented -+ prior to init running. -+ -+endmenu -+ -+menu "Sysctl Support" -+depends on GRKERNSEC && SYSCTL -+ -+config GRKERNSEC_SYSCTL -+ bool "Sysctl support" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, you will be able to change the options that -+ grsecurity runs with at bootup, without having to recompile your -+ kernel. You can echo values to files in /proc/sys/kernel/grsecurity -+ to enable (1) or disable (0) various features. All the sysctl entries -+ are mutable until the "grsec_lock" entry is set to a non-zero value. -+ All features enabled in the kernel configuration are disabled at boot -+ if you do not say Y to the "Turn on features by default" option. -+ All options should be set at startup, and the grsec_lock entry should -+ be set to a non-zero value after all the options are set. -+ *THIS IS EXTREMELY IMPORTANT* -+ -+config GRKERNSEC_SYSCTL_DISTRO -+ bool "Extra sysctl support for distro makers (READ HELP)" -+ depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO -+ help -+ If you say Y here, additional sysctl options will be created -+ for features that affect processes running as root. Therefore, -+ it is critical when using this option that the grsec_lock entry be -+ enabled after boot. Only distros with prebuilt kernel packages -+ with this option enabled that can ensure grsec_lock is enabled -+ after boot should use this option. -+ *Failure to set grsec_lock after boot makes all grsec features -+ this option covers useless* -+ -+ Currently this option creates the following sysctl entries: -+ "Disable Privileged I/O": "disable_priv_io" -+ -+config GRKERNSEC_SYSCTL_ON -+ bool "Turn on features by default" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_SYSCTL -+ help -+ If you say Y here, instead of having all features enabled in the -+ kernel configuration disabled at boot time, the features will be -+ enabled at boot time. It is recommended you say Y here unless -+ there is some reason you would want all sysctl-tunable features to -+ be disabled by default. As mentioned elsewhere, it is important -+ to enable the grsec_lock entry once you have finished modifying -+ the sysctl entries. -+ -+endmenu -+menu "Logging Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_FLOODTIME -+ int "Seconds in between log messages (minimum)" -+ default 10 -+ help -+ This option allows you to enforce the number of seconds between -+ grsecurity log messages. The default should be suitable for most -+ people, however, if you choose to change it, choose a value small enough -+ to allow informative logs to be produced, but large enough to -+ prevent flooding. -+ -+ Setting both this value and GRKERNSEC_FLOODBURST to 0 will disable -+ any rate limiting on grsecurity log messages. -+ -+config GRKERNSEC_FLOODBURST -+ int "Number of messages in a burst (maximum)" -+ default 6 -+ help -+ This option allows you to choose the maximum number of messages allowed -+ within the flood time interval you chose in a separate option. The -+ default should be suitable for most people, however if you find that -+ many of your logs are being interpreted as flooding, you may want to -+ raise this value. -+ -+ Setting both this value and GRKERNSEC_FLOODTIME to 0 will disable -+ any rate limiting on grsecurity log messages. -+ -+endmenu -diff --git a/grsecurity/Makefile b/grsecurity/Makefile -new file mode 100644 -index 0000000..30ababb ---- /dev/null -+++ b/grsecurity/Makefile -@@ -0,0 +1,54 @@ -+# grsecurity â access control and security hardening for Linux -+# All code in this directory and various hooks located throughout the Linux kernel are -+# Copyright (C) 2001-2014 Bradley Spengler, Open Source Security, Inc. -+# http://www.grsecurity.net spender(a)grsecurity.net -+# -+# This program is free software; you can redistribute it and/or -+# modify it under the terms of the GNU General Public License version 2 -+# as published by the Free Software Foundation. -+# -+# This program is distributed in the hope that it will be useful, -+# but WITHOUT ANY WARRANTY; without even the implied warranty of -+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+# GNU General Public License for more details. -+# -+# You should have received a copy of the GNU General Public License -+# along with this program; if not, write to the Free Software -+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -+ -+KBUILD_CFLAGS += -Werror -+ -+obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \ -+ grsec_mount.o grsec_sig.o grsec_sysctl.o \ -+ grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o \ -+ grsec_usb.o grsec_ipc.o grsec_proc.o -+ -+obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \ -+ gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \ -+ gracl_learn.o grsec_log.o gracl_policy.o -+ifdef CONFIG_COMPAT -+obj-$(CONFIG_GRKERNSEC) += gracl_compat.o -+endif -+ -+obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o -+ -+ifdef CONFIG_NET -+obj-y += grsec_sock.o -+obj-$(CONFIG_GRKERNSEC) += gracl_ip.o -+endif -+ -+ifndef CONFIG_GRKERNSEC -+obj-y += grsec_disabled.o -+endif -+ -+ifdef CONFIG_GRKERNSEC_HIDESYM -+extra-y := grsec_hidesym.o -+$(obj)/grsec_hidesym.o: -+ @-chmod -f 500 /boot -+ @-chmod -f 500 /lib/modules -+ @-chmod -f 500 /lib64/modules -+ @-chmod -f 500 /lib32/modules -+ @-chmod -f 700 . -+ @-chmod -f 700 $(objtree) -+ @echo ' grsec: protected kernel image paths' -+endif -diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c -new file mode 100644 -index 0000000..7ad630a ---- /dev/null -+++ b/grsecurity/gracl.c -@@ -0,0 +1,2757 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/tty.h> -+#include <linux/proc_fs.h> -+#include <linux/lglock.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/types.h> -+#include <linux/sysctl.h> -+#include <linux/netdevice.h> -+#include <linux/ptrace.h> -+#include <linux/gracl.h> -+#include <linux/gralloc.h> -+#include <linux/security.h> -+#include <linux/grinternal.h> -+#include <linux/pid_namespace.h> -+#include <linux/stop_machine.h> -+#include <linux/fdtable.h> -+#include <linux/percpu.h> -+#include <linux/lglock.h> -+#include <linux/hugetlb.h> -+#include <linux/posix-timers.h> -+#include <linux/prefetch.h> -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+#include <linux/magic.h> -+#include <linux/pagemap.h> -+#include "../fs/btrfs/async-thread.h" -+#include "../fs/btrfs/ctree.h" -+#include "../fs/btrfs/btrfs_inode.h" -+#endif -+#include "../fs/mount.h" -+ -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+ -+#define FOR_EACH_ROLE_START(role) \ -+ role = running_polstate.role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+extern struct path gr_real_root; -+ -+static struct gr_policy_state running_polstate; -+struct gr_policy_state *polstate = &running_polstate; -+extern struct gr_alloc_state *current_alloc_state; -+ -+extern char *gr_shared_page[4]; -+DEFINE_RWLOCK(gr_inode_lock); -+ -+static unsigned int gr_status __read_only = GR_STATUS_INIT; -+ -+#ifdef CONFIG_NET -+extern struct vfsmount *sock_mnt; -+#endif -+ -+extern struct vfsmount *pipe_mnt; -+extern struct vfsmount *shm_mnt; -+ -+#ifdef CONFIG_HUGETLBFS -+extern struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; -+#endif -+ -+extern u16 acl_sp_role_value; -+extern struct acl_object_label *fakefs_obj_rw; -+extern struct acl_object_label *fakefs_obj_rwx; -+ -+int gr_acl_is_enabled(void) -+{ -+ return (gr_status & GR_READY); -+} -+ -+void gr_enable_rbac_system(void) -+{ -+ pax_open_kernel(); -+ gr_status |= GR_READY; -+ pax_close_kernel(); -+} -+ -+int gr_rbac_disable(void *unused) -+{ -+ pax_open_kernel(); -+ gr_status &= ~GR_READY; -+ pax_close_kernel(); -+ -+ return 0; -+} -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+ struct dentry *ldentry = d_backing_dentry((struct dentry *)dentry); -+ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (ldentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return BTRFS_I(d_inode(ldentry))->root->anon_dev; -+ else -+#endif -+ return d_inode(ldentry)->i_sb->s_dev; -+} -+ -+static inline u64 __get_ino(const struct dentry *dentry) -+{ -+ struct dentry *ldentry = d_backing_dentry((struct dentry *)dentry); -+ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (ldentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return btrfs_ino(d_inode(dentry)); -+ else -+#endif -+ return d_inode(ldentry)->i_ino; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return __get_dev(dentry); -+} -+ -+u64 gr_get_ino_from_dentry(struct dentry *dentry) -+{ -+ return __get_ino(dentry); -+} -+ -+static char gr_task_roletype_to_char(struct task_struct *task) -+{ -+ switch (task->role->roletype & -+ (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP | -+ GR_ROLE_SPECIAL)) { -+ case GR_ROLE_DEFAULT: -+ return 'D'; -+ case GR_ROLE_USER: -+ return 'U'; -+ case GR_ROLE_GROUP: -+ return 'G'; -+ case GR_ROLE_SPECIAL: -+ return 'S'; -+ } -+ -+ return 'X'; -+} -+ -+char gr_roletype_to_char(void) -+{ -+ return gr_task_roletype_to_char(current); -+} -+ -+int -+gr_acl_tpe_check(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ if (current->role->roletype & GR_ROLE_TPE) -+ return 1; -+ else -+ return 0; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR)) && -+ grsec_enable_chroot_caps && proc_is_chrooted(current) && -+ !capable(CAP_SYS_RAWIO)) -+ return 1; -+#endif -+ return 0; -+} -+ -+int -+gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb) -+{ -+ if (likely(lena != lenb)) -+ return 0; -+ -+ return !memcmp(a, b, lena); -+} -+ -+static int prepend(char **buffer, int *buflen, const char *str, int namelen) -+{ -+ *buflen -= namelen; -+ if (*buflen < 0) -+ return -ENAMETOOLONG; -+ *buffer -= namelen; -+ memcpy(*buffer, str, namelen); -+ return 0; -+} -+ -+static int prepend_name(char **buffer, int *buflen, struct qstr *name) -+{ -+ return prepend(buffer, buflen, name->name, name->len); -+} -+ -+static int prepend_path(const struct path *path, struct path *root, -+ char **buffer, int *buflen) -+{ -+ struct dentry *dentry = path->dentry; -+ struct vfsmount *vfsmnt = path->mnt; -+ struct mount *mnt = real_mount(vfsmnt); -+ bool slash = false; -+ int error = 0; -+ -+ while (dentry != root->dentry || vfsmnt != root->mnt) { -+ struct dentry * parent; -+ -+ if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) { -+ /* Global root? */ -+ if (!mnt_has_parent(mnt)) { -+ goto out; -+ } -+ dentry = mnt->mnt_mountpoint; -+ mnt = mnt->mnt_parent; -+ vfsmnt = &mnt->mnt; -+ continue; -+ } -+ parent = dentry->d_parent; -+ prefetch(parent); -+ spin_lock(&dentry->d_lock); -+ error = prepend_name(buffer, buflen, &dentry->d_name); -+ spin_unlock(&dentry->d_lock); -+ if (!error) -+ error = prepend(buffer, buflen, "/", 1); -+ if (error) -+ break; -+ -+ slash = true; -+ dentry = parent; -+ } -+ -+out: -+ if (!error && !slash) -+ error = prepend(buffer, buflen, "/", 1); -+ -+ return error; -+} -+ -+/* this must be called with mount_lock and rename_lock held */ -+ -+static char *__our_d_path(const struct path *path, struct path *root, -+ char *buf, int buflen) -+{ -+ char *res = buf + buflen; -+ int error; -+ -+ prepend(&res, &buflen, "\0", 1); -+ error = prepend_path(path, root, &res, &buflen); -+ if (error) -+ return ERR_PTR(error); -+ -+ return res; -+} -+ -+static char * -+gen_full_path(struct path *path, struct path *root, char *buf, int buflen) -+{ -+ char *retval; -+ -+ retval = __our_d_path(path, root, buf, buflen); -+ if (unlikely(IS_ERR(retval))) -+ retval = strcpy(buf, "<path too long>"); -+ else if (unlikely(retval[1] == '/' && retval[2] == '\0')) -+ retval[1] = '\0'; -+ -+ return retval; -+} -+ -+static char * -+__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ struct path path; -+ char *res; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can use gr_real_root.dentry, gr_real_root.mnt, because this is only called -+ by the RBAC system */ -+ res = gen_full_path(&path, &gr_real_root, buf, buflen); -+ -+ return res; -+} -+ -+static char * -+d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ char *res; -+ struct path path; -+ struct path root; -+ struct task_struct *reaper = init_pid_ns.child_reaper; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can't use gr_real_root.dentry, gr_real_root.mnt, because they belong only to the RBAC system */ -+ get_fs_root(reaper->fs, &root); -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ res = gen_full_path(&path, &root, buf, buflen); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ path_put(&root); -+ return res; -+} -+ -+char * -+gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ return ret; -+} -+ -+static char * -+gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ char *buf; -+ int buflen; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ buf = per_cpu_ptr(gr_shared_page[0], smp_processor_id()); -+ ret = __d_real_path(dentry, mnt, buf, PAGE_SIZE - 6); -+ buflen = (int)(ret - buf); -+ if (buflen >= 5) -+ prepend(&ret, &buflen, "/proc", 5); -+ else -+ ret = strcpy(buf, "<path too long>"); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ return ret; -+} -+ -+char * -+gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+__u32 -+to_gr_audit(const __u32 reqmode) -+{ -+ /* masks off auditable permission flags, then shifts them to create -+ auditing flags, and adds the special case of append auditing if -+ we're requesting write */ -+ return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0)); -+} -+ -+struct acl_role_label * -+__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ unsigned int index = gr_rhash(uid, GR_ROLE_USER, state->acl_role_set.r_size); -+ struct acl_role_label *match; -+ struct role_allowed_ip *ipp; -+ unsigned int x; -+ u32 curr_ip = task->signal->saved_ip; -+ -+ match = state->acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == uid) -+ goto found; -+ } -+ } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER) -+ break; -+ match = match->next; -+ } -+found: -+ if (match == NULL) { -+ try_group: -+ index = gr_rhash(gid, GR_ROLE_GROUP, state->acl_role_set.r_size); -+ match = state->acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == gid) -+ goto found2; -+ } -+ } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP) -+ break; -+ match = match->next; -+ } -+found2: -+ if (match == NULL) -+ match = state->default_role; -+ if (match->allowed_ips == NULL) -+ return match; -+ else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ match = state->default_role; -+ } -+ } else if (match->allowed_ips == NULL) { -+ return match; -+ } else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ goto try_group; -+ } -+ -+ return match; -+} -+ -+static struct acl_role_label * -+lookup_acl_role_label(const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ return __lookup_acl_role_label(&running_polstate, task, uid, gid); -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label(const u64 ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label_deleted(const u64 ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label(const u64 ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label_create(const u64 ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+struct name_entry * -+__lookup_name_entry(const struct gr_policy_state *state, const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % state->name_set.n_size; -+ struct name_entry *match; -+ -+ match = state->name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len))) -+ match = match->next; -+ -+ return match; -+} -+ -+static struct name_entry * -+lookup_name_entry(const char *name) -+{ -+ return __lookup_name_entry(&running_polstate, name); -+} -+ -+static struct name_entry * -+lookup_name_entry_create(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % running_polstate.name_set.n_size; -+ struct name_entry *match; -+ -+ match = running_polstate.name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ !match->deleted)) -+ match = match->next; -+ -+ if (match && match->deleted) -+ return match; -+ -+ match = running_polstate.name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ match->deleted)) -+ match = match->next; -+ -+ if (match && !match->deleted) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct inodev_entry * -+lookup_inodev_entry(const u64 ino, const dev_t dev) -+{ -+ unsigned int index = gr_fhash(ino, dev, running_polstate.inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = running_polstate.inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != ino || match->nentry->device != dev)) -+ match = match->next; -+ -+ return match; -+} -+ -+void -+__insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry) -+{ -+ unsigned int index = gr_fhash(entry->nentry->inode, entry->nentry->device, -+ state->inodev_set.i_size); -+ struct inodev_entry **curr; -+ -+ entry->prev = NULL; -+ -+ curr = &state->inodev_set.i_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = entry; -+ -+ entry->next = *curr; -+ *curr = entry; -+ -+ return; -+} -+ -+static void -+insert_inodev_entry(struct inodev_entry *entry) -+{ -+ __insert_inodev_entry(&running_polstate, entry); -+} -+ -+void -+insert_acl_obj_label(struct acl_object_label *obj, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = -+ gr_fhash(obj->inode, obj->device, subj->obj_hash_size); -+ struct acl_object_label **curr; -+ -+ obj->prev = NULL; -+ -+ curr = &subj->obj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+void -+insert_acl_subj_label(struct acl_subject_label *obj, -+ struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(obj->inode, obj->device, role->subj_hash_size); -+ struct acl_subject_label **curr; -+ -+ obj->prev = NULL; -+ -+ curr = &role->subj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+/* derived from glibc fnmatch() 0: match, 1: no match*/ -+ -+static int -+glob_match(const char *p, const char *n) -+{ -+ char c; -+ -+ while ((c = *p++) != '\0') { -+ switch (c) { -+ case '?': -+ if (*n == '\0') -+ return 1; -+ else if (*n == '/') -+ return 1; -+ break; -+ case '\\': -+ if (*n != c) -+ return 1; -+ break; -+ case '*': -+ for (c = *p++; c == '?' || c == '*'; c = *p++) { -+ if (*n == '/') -+ return 1; -+ else if (c == '?') { -+ if (*n == '\0') -+ return 1; -+ else -+ ++n; -+ } -+ } -+ if (c == '\0') { -+ return 0; -+ } else { -+ const char *endp; -+ -+ if ((endp = strchr(n, '/')) == NULL) -+ endp = n + strlen(n); -+ -+ if (c == '[') { -+ for (--p; n < endp; ++n) -+ if (!glob_match(p, n)) -+ return 0; -+ } else if (c == '/') { -+ while (*n != '\0' && *n != '/') -+ ++n; -+ if (*n == '/' && !glob_match(p, n + 1)) -+ return 0; -+ } else { -+ for (--p; n < endp; ++n) -+ if (*n == c && !glob_match(p, n)) -+ return 0; -+ } -+ -+ return 1; -+ } -+ case '[': -+ { -+ int not; -+ char cold; -+ -+ if (*n == '\0' || *n == '/') -+ return 1; -+ -+ not = (*p == '!' || *p == '^'); -+ if (not) -+ ++p; -+ -+ c = *p++; -+ for (;;) { -+ unsigned char fn = (unsigned char)*n; -+ -+ if (c == '\0') -+ return 1; -+ else { -+ if (c == fn) -+ goto matched; -+ cold = c; -+ c = *p++; -+ -+ if (c == '-' && *p != ']') { -+ unsigned char cend = *p++; -+ -+ if (cend == '\0') -+ return 1; -+ -+ if (cold <= fn && fn <= cend) -+ goto matched; -+ -+ c = *p++; -+ } -+ } -+ -+ if (c == ']') -+ break; -+ } -+ if (!not) -+ return 1; -+ break; -+ matched: -+ while (c != ']') { -+ if (c == '\0') -+ return 1; -+ -+ c = *p++; -+ } -+ if (not) -+ return 1; -+ } -+ break; -+ default: -+ if (c != *n) -+ return 1; -+ } -+ -+ ++n; -+ } -+ -+ if (*n == '\0') -+ return 0; -+ -+ if (*n == '/') -+ return 0; -+ -+ return 1; -+} -+ -+static struct acl_object_label * -+chk_glob_label(struct acl_object_label *globbed, -+ const struct dentry *dentry, const struct vfsmount *mnt, char **path) -+{ -+ struct acl_object_label *tmp; -+ -+ if (*path == NULL) -+ *path = gr_to_filename_nolock(dentry, mnt); -+ -+ tmp = globbed; -+ -+ while (tmp) { -+ if (!glob_match(tmp->filename, *path)) -+ return tmp; -+ tmp = tmp->next; -+ } -+ -+ return NULL; -+} -+ -+static struct acl_object_label * -+__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ const u64 curr_ino, const dev_t curr_dev, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ struct acl_subject_label *tmpsubj; -+ struct acl_object_label *retval; -+ struct acl_object_label *retval2; -+ -+ tmpsubj = (struct acl_subject_label *) subj; -+ read_lock(&gr_inode_lock); -+ do { -+ retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj); -+ if (retval) { -+ if (checkglob && retval->globbed) { -+ retval2 = chk_glob_label(retval->globbed, orig_dentry, orig_mnt, path); -+ if (retval2) -+ retval = retval2; -+ } -+ break; -+ } -+ } while ((tmpsubj = tmpsubj->parent_subject)); -+ read_unlock(&gr_inode_lock); -+ -+ return retval; -+} -+ -+static struct acl_object_label * -+full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ struct dentry *curr_dentry, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ int newglob = checkglob; -+ u64 inode; -+ dev_t device; -+ -+ /* if we aren't checking a subdirectory of the original path yet, don't do glob checking -+ as we don't want a / * rule to match instead of the / object -+ don't do this for create lookups that call this function though, since they're looking up -+ on the parent and thus need globbing checks on all paths -+ */ -+ if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB) -+ newglob = GR_NO_GLOB; -+ -+ spin_lock(&curr_dentry->d_lock); -+ inode = __get_ino(curr_dentry); -+ device = __get_dev(curr_dentry); -+ spin_unlock(&curr_dentry->d_lock); -+ -+ return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob); -+} -+ -+#ifdef CONFIG_HUGETLBFS -+static inline bool -+is_hugetlbfs_mnt(const struct vfsmount *mnt) -+{ -+ int i; -+ for (i = 0; i < HUGE_MAX_HSTATE; i++) { -+ if (unlikely(hugetlbfs_vfsmount[i] == mnt)) -+ return true; -+ } -+ -+ return false; -+} -+#endif -+ -+static struct acl_object_label * -+__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path, const int checkglob) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct inode * inode = d_backing_inode(dentry); -+ struct mount *real_mnt = real_mount(mnt); -+ struct acl_object_label *retval; -+ struct dentry *parent; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ if (unlikely((mnt == shm_mnt && inode->i_nlink == 0) || mnt == pipe_mnt || -+#ifdef CONFIG_NET -+ mnt == sock_mnt || -+#endif -+#ifdef CONFIG_HUGETLBFS -+ (is_hugetlbfs_mnt(mnt) && inode->i_nlink == 0) || -+#endif -+ /* ignore Eric Biederman */ -+ IS_PRIVATE(inode))) { -+ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw; -+ goto out; -+ } -+ -+ for (;;) { -+ if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt) -+ break; -+ -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (!mnt_has_parent(real_mnt)) -+ break; -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = real_mnt->mnt_mountpoint; -+ real_mnt = real_mnt->mnt_parent; -+ mnt = &real_mnt->mnt; -+ continue; -+ } -+ -+ parent = dentry->d_parent; -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ -+ /* gr_real_root is pinned so we don't have to hold a reference */ -+ if (retval == NULL) -+ retval = full_lookup(l_dentry, l_mnt, gr_real_root.dentry, subj, &path, checkglob); -+out: -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+static struct acl_object_label * -+chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB); -+} -+ -+static struct acl_object_label * -+chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB); -+} -+ -+static struct acl_object_label * -+chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path) -+{ -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB); -+} -+ -+struct acl_subject_label * -+chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_role_label *role) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct mount *real_mnt = real_mount(mnt); -+ struct acl_subject_label *retval; -+ struct dentry *parent; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ for (;;) { -+ if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt) -+ break; -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (!mnt_has_parent(real_mnt)) -+ break; -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = -+ lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = real_mnt->mnt_mountpoint; -+ real_mnt = real_mnt->mnt_parent; -+ mnt = &real_mnt->mnt; -+ continue; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ parent = dentry->d_parent; -+ spin_unlock(&dentry->d_lock); -+ -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ -+ if (unlikely(retval == NULL)) { -+ /* gr_real_root is pinned, we don't need to hold a reference */ -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(gr_real_root.dentry), -+ __get_dev(gr_real_root.dentry), role); -+ read_unlock(&gr_inode_lock); -+ } -+out: -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+void -+assign_special_role(const char *rolename) -+{ -+ struct acl_object_label *obj; -+ struct acl_role_label *r; -+ struct acl_role_label *assigned = NULL; -+ struct task_struct *tsk; -+ struct file *filp; -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ assigned = r; -+ break; -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ if (!assigned) -+ return; -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ -+ tsk = current->real_parent; -+ if (tsk == NULL) -+ goto out_unlock; -+ -+ filp = tsk->exec_file; -+ if (filp == NULL) -+ goto out_unlock; -+ -+ tsk->is_writable = 0; -+ tsk->inherited = 0; -+ -+ tsk->acl_sp_role = 1; -+ tsk->acl_role_id = ++acl_sp_role_value; -+ tsk->role = assigned; -+ tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role); -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename, -+ tsk->acl->filename, tsk->comm, task_pid_nr(tsk)); -+#endif -+ -+out_unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return; -+} -+ -+ -+static void -+gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_uid_change(const kuid_t real, const kuid_t effective, const kuid_t fs) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 'u', GR_GLOBAL_UID(real), GR_GLOBAL_UID(effective), GR_GLOBAL_UID(fs), &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_gid_change(const kgid_t real, const kgid_t effective, const kgid_t fs) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 'g', GR_GLOBAL_GID(real), GR_GLOBAL_GID(effective), GR_GLOBAL_GID(fs), &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_set_proc_res(struct task_struct *task) -+{ -+ struct acl_subject_label *proc; -+ unsigned short i; -+ -+ proc = task->acl; -+ -+ if (proc->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return; -+ -+ for (i = 0; i < RLIM_NLIMITS; i++) { -+ unsigned long rlim_cur, rlim_max; -+ -+ if (!(proc->resmask & (1U << i))) -+ continue; -+ -+ rlim_cur = proc->res[i].rlim_cur; -+ rlim_max = proc->res[i].rlim_max; -+ -+ if (i == RLIMIT_NOFILE) { -+ unsigned long saved_sysctl_nr_open = sysctl_nr_open; -+ if (rlim_cur > saved_sysctl_nr_open) -+ rlim_cur = saved_sysctl_nr_open; -+ if (rlim_max > saved_sysctl_nr_open) -+ rlim_max = saved_sysctl_nr_open; -+ } -+ -+ task->signal->rlim[i].rlim_cur = rlim_cur; -+ task->signal->rlim[i].rlim_max = rlim_max; -+ -+ if (i == RLIMIT_CPU) -+ update_rlimit_cpu(task, rlim_cur); -+ } -+ -+ return; -+} -+ -+/* both of the below must be called with -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ except in the case of gr_set_role_label() (for __gr_get_subject_for_task) -+*/ -+ -+struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback) -+{ -+ char *tmpname; -+ struct acl_subject_label *tmpsubj; -+ struct file *filp; -+ struct name_entry *nmatch; -+ -+ filp = task->exec_file; -+ if (filp == NULL) -+ return NULL; -+ -+ /* the following is to apply the correct subject -+ on binaries running when the RBAC system -+ is enabled, when the binaries have been -+ replaced or deleted since their execution -+ ----- -+ when the RBAC system starts, the inode/dev -+ from exec_file will be one the RBAC system -+ is unaware of. It only knows the inode/dev -+ of the present file on disk, or the absence -+ of it. -+ */ -+ -+ if (filename) -+ nmatch = __lookup_name_entry(state, filename); -+ else { -+ preempt_disable(); -+ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt); -+ -+ nmatch = __lookup_name_entry(state, tmpname); -+ preempt_enable(); -+ } -+ tmpsubj = NULL; -+ if (nmatch) { -+ if (nmatch->deleted) -+ tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role); -+ else -+ tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role); -+ } -+ /* this also works for the reload case -- if we don't match a potentially inherited subject -+ then we fall back to a normal lookup based on the binary's ino/dev -+ */ -+ if (tmpsubj == NULL && fallback) -+ tmpsubj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, task->role); -+ -+ return tmpsubj; -+} -+ -+static struct acl_subject_label *gr_get_subject_for_task(struct task_struct *task, const char *filename, int fallback) -+{ -+ return __gr_get_subject_for_task(&running_polstate, task, filename, fallback); -+} -+ -+void __gr_apply_subject_to_task(const struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj) -+{ -+ struct acl_object_label *obj; -+ struct file *filp; -+ -+ filp = task->exec_file; -+ -+ task->acl = subj; -+ task->is_writable = 0; -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, state->default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+} -+ -+static void gr_apply_subject_to_task(struct task_struct *task, struct acl_subject_label *subj) -+{ -+ __gr_apply_subject_to_task(&running_polstate, task, subj); -+} -+ -+__u32 -+gr_search_file(const struct dentry * dentry, const __u32 mode, -+ const struct vfsmount * mnt) -+{ -+ __u32 retval = mode; -+ struct acl_subject_label *curracl; -+ struct acl_object_label *currobj; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ curracl = current->acl; -+ -+ currobj = chk_obj_label(dentry, mnt, curracl); -+ retval = currobj->mode & mode; -+ -+ /* if we're opening a specified transfer file for writing -+ (e.g. /dev/initctl), then transfer our role to init -+ */ -+ if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE && -+ current->role->roletype & GR_ROLE_PERSIST)) { -+ struct task_struct *task = init_pid_ns.child_reaper; -+ -+ if (task->role != current->role) { -+ struct acl_subject_label *subj; -+ -+ task->acl_sp_role = 0; -+ task->acl_role_id = current->acl_role_id; -+ task->role = current->role; -+ rcu_read_lock(); -+ read_lock(&grsec_exec_file_lock); -+ subj = gr_get_subject_for_task(task, NULL, 1); -+ gr_apply_subject_to_task(task, subj); -+ read_unlock(&grsec_exec_file_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG); -+ } -+ } -+ -+ if (unlikely -+ ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE) -+ && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ retval = new_mode; -+ -+ if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN) -+ new_mode |= GR_INHERIT; -+ -+ if (!(mode & GR_NOLEARN)) -+ gr_log_learn(dentry, mnt, new_mode); -+ } -+ -+ return retval; -+} -+ -+struct acl_object_label *gr_get_create_object(const struct dentry *new_dentry, -+ const struct dentry *parent, -+ const struct vfsmount *mnt) -+{ -+ struct name_entry *match; -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *curracl; -+ char *path; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return NULL; -+ -+ preempt_disable(); -+ path = gr_to_filename_rbac(new_dentry, mnt); -+ match = lookup_name_entry_create(path); -+ -+ curracl = current->acl; -+ -+ if (match) { -+ read_lock(&gr_inode_lock); -+ matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl); -+ read_unlock(&gr_inode_lock); -+ -+ if (matchpo) { -+ preempt_enable(); -+ return matchpo; -+ } -+ } -+ -+ // lookup parent -+ -+ matchpo = chk_obj_create_label(parent, mnt, curracl, path); -+ -+ preempt_enable(); -+ return matchpo; -+} -+ -+__u32 -+gr_check_create(const struct dentry * new_dentry, const struct dentry * parent, -+ const struct vfsmount * mnt, const __u32 mode) -+{ -+ struct acl_object_label *matchpo; -+ __u32 retval; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ matchpo = gr_get_create_object(new_dentry, parent, mnt); -+ -+ retval = matchpo->mode & mode; -+ -+ if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))) -+ && (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ gr_log_learn(new_dentry, mnt, new_mode); -+ return new_mode; -+ } -+ -+ return retval; -+} -+ -+__u32 -+gr_check_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, const struct vfsmount * old_mnt) -+{ -+ struct acl_object_label *obj; -+ __u32 oldmode, newmode; -+ __u32 needmode; -+ __u32 checkmodes = GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | GR_SETID | GR_READ | -+ GR_DELETE | GR_INHERIT; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (GR_CREATE | GR_LINK); -+ -+ obj = chk_obj_label(old_dentry, old_mnt, current->acl); -+ oldmode = obj->mode; -+ -+ obj = gr_get_create_object(new_dentry, parent_dentry, parent_mnt); -+ newmode = obj->mode; -+ -+ needmode = newmode & checkmodes; -+ -+ // old name for hardlink must have at least the permissions of the new name -+ if ((oldmode & needmode) != needmode) -+ goto bad; -+ -+ // if old name had restrictions/auditing, make sure the new name does as well -+ needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS); -+ -+ // don't allow hardlinking of suid/sgid/fcapped files without permission -+ if (is_privileged_binary(old_dentry)) -+ needmode |= GR_SETID; -+ -+ if ((newmode & needmode) != needmode) -+ goto bad; -+ -+ // enforce minimum permissions -+ if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK)) -+ return newmode; -+bad: -+ needmode = oldmode; -+ if (is_privileged_binary(old_dentry)) -+ needmode |= GR_SETID; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ gr_log_learn(old_dentry, old_mnt, needmode | GR_CREATE | GR_LINK); -+ return (GR_CREATE | GR_LINK); -+ } else if (newmode & GR_SUPPRESS) -+ return GR_SUPPRESS; -+ else -+ return 0; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW)) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY) || !task)) -+ return 0; -+ -+ if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ task->acl != current->acl) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ struct task_struct *p; -+ int ret = 0; -+ -+ if (unlikely(!(gr_status & GR_READY) || !pid)) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ p->acl != current->acl) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ -+ return ret; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ struct task_struct *p = current; -+ -+ tsk->inherited = p->inherited; -+ tsk->acl_sp_role = 0; -+ tsk->acl_role_id = p->acl_role_id; -+ tsk->acl = p->acl; -+ tsk->role = p->role; -+ tsk->signal->used_accept = 0; -+ tsk->signal->curr_ip = p->signal->curr_ip; -+ tsk->signal->saved_ip = p->signal->saved_ip; -+ if (p->exec_file) -+ get_file(p->exec_file); -+ tsk->exec_file = p->exec_file; -+ tsk->is_writable = p->is_writable; -+ if (unlikely(p->signal->used_accept)) { -+ p->signal->curr_ip = 0; -+ p->signal->saved_ip = 0; -+ } -+ -+ return; -+} -+ -+extern int gr_process_kernel_setuid_ban(struct user_struct *user); -+ -+int -+gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs) -+{ -+ unsigned int i; -+ __u16 num; -+ uid_t *uidlist; -+ uid_t curuid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ uid_t globalreal, globaleffective, globalfs; -+ -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) -+ struct user_struct *user; -+ -+ if (!uid_valid(real)) -+ goto skipit; -+ -+ /* find user based on global namespace */ -+ -+ globalreal = GR_GLOBAL_UID(real); -+ -+ user = find_user(make_kuid(&init_user_ns, globalreal)); -+ if (user == NULL) -+ goto skipit; -+ -+ if (gr_process_kernel_setuid_ban(user)) { -+ /* for find_user */ -+ free_uid(user); -+ return 1; -+ } -+ -+ /* for find_user */ -+ free_uid(user); -+ -+skipit: -+#endif -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_uid_change(real, effective, fs); -+ -+ num = current->acl->user_trans_num; -+ uidlist = current->acl->user_transitions; -+ -+ if (uidlist == NULL) -+ return 0; -+ -+ if (!uid_valid(real)) { -+ realok = 1; -+ globalreal = (uid_t)-1; -+ } else { -+ globalreal = GR_GLOBAL_UID(real); -+ } -+ if (!uid_valid(effective)) { -+ effectiveok = 1; -+ globaleffective = (uid_t)-1; -+ } else { -+ globaleffective = GR_GLOBAL_UID(effective); -+ } -+ if (!uid_valid(fs)) { -+ fsok = 1; -+ globalfs = (uid_t)-1; -+ } else { -+ globalfs = GR_GLOBAL_UID(fs); -+ } -+ -+ if (current->acl->user_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curuid = uidlist[i]; -+ if (globalreal == curuid) -+ realok = 1; -+ if (globaleffective == curuid) -+ effectiveok = 1; -+ if (globalfs == curuid) -+ fsok = 1; -+ } -+ } else if (current->acl->user_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curuid = uidlist[i]; -+ if (globalreal == curuid) -+ break; -+ if (globaleffective == curuid) -+ break; -+ if (globalfs == curuid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal); -+ return 1; -+ } -+} -+ -+int -+gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs) -+{ -+ unsigned int i; -+ __u16 num; -+ gid_t *gidlist; -+ gid_t curgid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ gid_t globalreal, globaleffective, globalfs; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_gid_change(real, effective, fs); -+ -+ num = current->acl->group_trans_num; -+ gidlist = current->acl->group_transitions; -+ -+ if (gidlist == NULL) -+ return 0; -+ -+ if (!gid_valid(real)) { -+ realok = 1; -+ globalreal = (gid_t)-1; -+ } else { -+ globalreal = GR_GLOBAL_GID(real); -+ } -+ if (!gid_valid(effective)) { -+ effectiveok = 1; -+ globaleffective = (gid_t)-1; -+ } else { -+ globaleffective = GR_GLOBAL_GID(effective); -+ } -+ if (!gid_valid(fs)) { -+ fsok = 1; -+ globalfs = (gid_t)-1; -+ } else { -+ globalfs = GR_GLOBAL_GID(fs); -+ } -+ -+ if (current->acl->group_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curgid = gidlist[i]; -+ if (globalreal == curgid) -+ realok = 1; -+ if (globaleffective == curgid) -+ effectiveok = 1; -+ if (globalfs == curgid) -+ fsok = 1; -+ } -+ } else if (current->acl->group_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curgid = gidlist[i]; -+ if (globalreal == curgid) -+ break; -+ if (globaleffective == curgid) -+ break; -+ if (globalfs == curgid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal); -+ return 1; -+ } -+} -+ -+extern int gr_acl_is_capable(const int cap); -+ -+void -+gr_set_role_label(struct task_struct *task, const kuid_t kuid, const kgid_t kgid) -+{ -+ struct acl_role_label *role = task->role; -+ struct acl_role_label *origrole = role; -+ struct acl_subject_label *subj = NULL; -+ struct acl_object_label *obj; -+ struct file *filp; -+ uid_t uid; -+ gid_t gid; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ uid = GR_GLOBAL_UID(kuid); -+ gid = GR_GLOBAL_GID(kgid); -+ -+ filp = task->exec_file; -+ -+ /* kernel process, we'll give them the kernel role */ -+ if (unlikely(!filp)) { -+ task->role = running_polstate.kernel_role; -+ task->acl = running_polstate.kernel_role->root_label; -+ return; -+ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL)) { -+ /* save the current ip at time of role lookup so that the proper -+ IP will be learned for role_allowed_ip */ -+ task->signal->saved_ip = task->signal->curr_ip; -+ role = lookup_acl_role_label(task, uid, gid); -+ } -+ -+ /* don't change the role if we're not a privileged process */ -+ if (role && task->role != role && -+ (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) || -+ ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID)))) -+ return; -+ -+ task->role = role; -+ -+ if (task->inherited) { -+ /* if we reached our subject through inheritance, then first see -+ if there's a subject of the same name in the new role that has -+ an object that would result in the same inherited subject -+ */ -+ subj = gr_get_subject_for_task(task, task->acl->filename, 0); -+ if (subj) { -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, subj); -+ if (!(obj->mode & GR_INHERIT)) -+ subj = NULL; -+ } -+ -+ } -+ if (subj == NULL) { -+ /* otherwise: -+ perform subject lookup in possibly new role -+ we can use this result below in the case where role == task->role -+ */ -+ subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role); -+ } -+ -+ /* if we changed uid/gid, but result in the same role -+ and are using inheritance, don't lose the inherited subject -+ if current subject is other than what normal lookup -+ would result in, we arrived via inheritance, don't -+ lose subject -+ */ -+ if (role != origrole || (!(task->acl->mode & GR_INHERITLEARN) && -+ (subj == task->acl))) -+ task->acl = subj; -+ -+ /* leave task->inherited unaffected */ -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+ -+ gr_set_proc_res(task); -+ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_flags) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *newacl; -+ struct acl_object_label *obj; -+ __u32 retmode; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ newacl = chk_subj_label(dentry, mnt, task->role); -+ -+ /* special handling for if we did an strace -f -p <pid> from an admin role, where pid then -+ did an exec -+ */ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ if (task->ptrace && task->parent && ((task->parent->role->roletype & GR_ROLE_GOD) || -+ (task->parent->acl->mode & GR_POVERRIDE))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ goto skip_check; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ if (unsafe_flags && !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) && -+ !(task->role->roletype & GR_ROLE_GOD) && -+ !gr_search_file(dentry, GR_PTRACERD, mnt) && -+ !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN))) { -+ if (unsafe_flags & LSM_UNSAFE_SHARE) -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt); -+ else -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt); -+ return -EACCES; -+ } -+ -+skip_check: -+ -+ obj = chk_obj_label(dentry, mnt, task->acl); -+ retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT); -+ -+ if (!(task->acl->mode & GR_INHERITLEARN) && -+ ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) { -+ if (obj->nested) -+ task->acl = obj->nested; -+ else -+ task->acl = newacl; -+ task->inherited = 0; -+ } else { -+ task->inherited = 1; -+ if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT) -+ gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt); -+ } -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(dentry, mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(dentry, mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+ return 0; -+} -+ -+/* always called with valid inodev ptr */ -+static void -+do_handle_delete(struct inodev_entry *inodev, const u64 ino, const dev_t dev) -+{ -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *matchps; -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ -+ FOR_EACH_ROLE_START(role) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL) -+ matchpo->mode |= GR_DELETED; -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ /* nested subjects aren't in the role's subj_hash table */ -+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL) -+ matchpo->mode |= GR_DELETED; -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL) -+ matchps->mode |= GR_DELETED; -+ FOR_EACH_ROLE_END(role) -+ -+ inodev->nentry->deleted = 1; -+ -+ return; -+} -+ -+void -+gr_handle_delete(const u64 ino, const dev_t dev) -+{ -+ struct inodev_entry *inodev; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ write_lock(&gr_inode_lock); -+ inodev = lookup_inodev_entry(ino, dev); -+ if (inodev != NULL) -+ do_handle_delete(inodev, ino, dev); -+ write_unlock(&gr_inode_lock); -+ -+ return; -+} -+ -+static void -+update_acl_obj_label(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ subj->obj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_obj_label(match, subj); -+ } -+ -+ return; -+} -+ -+static void -+update_acl_subj_label(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice, -+ struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ role->subj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_subj_label(match, role); -+ } -+ -+ return; -+} -+ -+static void -+update_inodev_entry(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, running_polstate.inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = running_polstate.inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != oldinode || -+ match->nentry->device != olddevice || !match->nentry->deleted)) -+ match = match->next; -+ -+ if (match && (match->nentry->inode == oldinode) -+ && (match->nentry->device == olddevice) && -+ match->nentry->deleted) { -+ if (match->prev == NULL) { -+ running_polstate.inodev_set.i_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->nentry->inode = newinode; -+ match->nentry->device = newdevice; -+ match->nentry->deleted = 0; -+ -+ insert_inodev_entry(match); -+ } -+ -+ return; -+} -+ -+static void -+__do_handle_create(const struct name_entry *matchn, u64 ino, dev_t dev) -+{ -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ -+ FOR_EACH_ROLE_START(role) -+ update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role); -+ -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ if ((subj->inode == ino) && (subj->device == dev)) { -+ subj->inode = ino; -+ subj->device = dev; -+ } -+ /* nested subjects aren't in the role's subj_hash table */ -+ update_acl_obj_label(matchn->inode, matchn->device, -+ ino, dev, subj); -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ update_acl_obj_label(matchn->inode, matchn->device, -+ ino, dev, subj); -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_ROLE_END(role) -+ -+ update_inodev_entry(matchn->inode, matchn->device, ino, dev); -+ -+ return; -+} -+ -+static void -+do_handle_create(const struct name_entry *matchn, const struct dentry *dentry, -+ const struct vfsmount *mnt) -+{ -+ u64 ino = __get_ino(dentry); -+ dev_t dev = __get_dev(dentry); -+ -+ __do_handle_create(matchn, ino, dev); -+ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ struct name_entry *matchn; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt)); -+ -+ if (unlikely((unsigned long)matchn)) { -+ write_lock(&gr_inode_lock); -+ do_handle_create(matchn, dentry, mnt); -+ write_unlock(&gr_inode_lock); -+ } -+ preempt_enable(); -+ -+ return; -+} -+ -+void -+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode) -+{ -+ struct name_entry *matchn; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_proc_filename_rbac(dentry, init_pid_ns.proc_mnt)); -+ -+ if (unlikely((unsigned long)matchn)) { -+ write_lock(&gr_inode_lock); -+ __do_handle_create(matchn, inode->i_ino, inode->i_sb->s_dev); -+ write_unlock(&gr_inode_lock); -+ } -+ preempt_enable(); -+ -+ return; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags) -+{ -+ struct name_entry *matchn; -+ struct name_entry *matchn2 = NULL; -+ struct inodev_entry *inodev; -+ struct inode *inode = d_backing_inode(new_dentry); -+ struct inode *old_inode = d_backing_inode(old_dentry); -+ u64 old_ino = __get_ino(old_dentry); -+ dev_t old_dev = __get_dev(old_dentry); -+ unsigned int exchange = flags & RENAME_EXCHANGE; -+ -+ /* vfs_rename swaps the name and parent link for old_dentry and -+ new_dentry -+ at this point, old_dentry has the new name, parent link, and inode -+ for the renamed file -+ if a file is being replaced by a rename, new_dentry has the inode -+ and name for the replaced file -+ */ -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt)); -+ -+ /* exchange cases: -+ a filename exists for the source, but not dest -+ do a recreate on source -+ a filename exists for the dest, but not source -+ do a recreate on dest -+ a filename exists for both source and dest -+ delete source and dest, then create source and dest -+ a filename exists for neither source nor dest -+ no updates needed -+ -+ the name entry lookups get us the old inode/dev associated with -+ each name, so do the deletes first (if possible) so that when -+ we do the create, we pick up on the right entries -+ */ -+ -+ if (exchange) -+ matchn2 = lookup_name_entry(gr_to_filename_rbac(new_dentry, mnt)); -+ -+ /* we wouldn't have to check d_inode if it weren't for -+ NFS silly-renaming -+ */ -+ -+ write_lock(&gr_inode_lock); -+ if (unlikely((replace || exchange) && inode)) { -+ u64 new_ino = __get_ino(new_dentry); -+ dev_t new_dev = __get_dev(new_dentry); -+ -+ inodev = lookup_inodev_entry(new_ino, new_dev); -+ if (inodev != NULL && ((inode->i_nlink <= 1) || d_is_dir(new_dentry))) -+ do_handle_delete(inodev, new_ino, new_dev); -+ } -+ -+ inodev = lookup_inodev_entry(old_ino, old_dev); -+ if (inodev != NULL && ((old_inode->i_nlink <= 1) || d_is_dir(old_dentry))) -+ do_handle_delete(inodev, old_ino, old_dev); -+ -+ if (unlikely(matchn != NULL)) -+ do_handle_create(matchn, old_dentry, mnt); -+ -+ if (unlikely(matchn2 != NULL)) -+ do_handle_create(matchn2, new_dentry, mnt); -+ -+ write_unlock(&gr_inode_lock); -+ preempt_enable(); -+ -+ return; -+} -+ -+#if defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC) -+static const unsigned long res_learn_bumps[GR_NLIMITS] = { -+ [RLIMIT_CPU] = GR_RLIM_CPU_BUMP, -+ [RLIMIT_FSIZE] = GR_RLIM_FSIZE_BUMP, -+ [RLIMIT_DATA] = GR_RLIM_DATA_BUMP, -+ [RLIMIT_STACK] = GR_RLIM_STACK_BUMP, -+ [RLIMIT_CORE] = GR_RLIM_CORE_BUMP, -+ [RLIMIT_RSS] = GR_RLIM_RSS_BUMP, -+ [RLIMIT_NPROC] = GR_RLIM_NPROC_BUMP, -+ [RLIMIT_NOFILE] = GR_RLIM_NOFILE_BUMP, -+ [RLIMIT_MEMLOCK] = GR_RLIM_MEMLOCK_BUMP, -+ [RLIMIT_AS] = GR_RLIM_AS_BUMP, -+ [RLIMIT_LOCKS] = GR_RLIM_LOCKS_BUMP, -+ [RLIMIT_SIGPENDING] = GR_RLIM_SIGPENDING_BUMP, -+ [RLIMIT_MSGQUEUE] = GR_RLIM_MSGQUEUE_BUMP, -+ [RLIMIT_NICE] = GR_RLIM_NICE_BUMP, -+ [RLIMIT_RTPRIO] = GR_RLIM_RTPRIO_BUMP, -+ [RLIMIT_RTTIME] = GR_RLIM_RTTIME_BUMP -+}; -+ -+void -+gr_learn_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ struct acl_subject_label *acl; -+ const struct cred *cred; -+ -+ if (unlikely((gr_status & GR_READY) && -+ task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)))) -+ goto skip_reslog; -+ -+ gr_log_resource(task, res, wanted, gt); -+skip_reslog: -+ -+ if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS)) -+ return; -+ -+ acl = task->acl; -+ -+ if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) || -+ !(acl->resmask & (1U << (unsigned short) res)))) -+ return; -+ -+ if (wanted >= acl->res[res].rlim_cur) { -+ unsigned long res_add; -+ -+ res_add = wanted + res_learn_bumps[res]; -+ -+ acl->res[res].rlim_cur = res_add; -+ -+ if (wanted > acl->res[res].rlim_max) -+ acl->res[res].rlim_max = res_add; -+ -+ /* only log the subject filename, since resource logging is supported for -+ single-subject learning only */ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), acl->filename, -+ acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max, -+ "", (unsigned long) res, &task->signal->saved_ip); -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+EXPORT_SYMBOL_GPL(gr_learn_resource); -+#endif -+ -+#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)) -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *proc; -+ unsigned long flags; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ flags = pax_get_flags(task); -+ -+ proc = task->acl; -+ -+ if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC) -+ flags &= ~MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC) -+ flags &= ~MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP) -+ flags &= ~MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP) -+ flags &= ~MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT) -+ flags &= ~MF_PAX_MPROTECT; -+ -+ if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC) -+ flags |= MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC) -+ flags |= MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP) -+ flags |= MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP) -+ flags |= MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT) -+ flags |= MF_PAX_MPROTECT; -+ -+ pax_set_flags(task, flags); -+ -+ return; -+} -+#endif -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ struct file *filp; -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ filp = task->exec_file; -+ -+ while (task_pid_nr(tmp) > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (!filp || (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 1; -+ } -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 0; -+ } -+#endif -+ -+ retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ -+ if (retmode & GR_NOPTRACE) -+ return 1; -+ -+ if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD) -+ && (current->acl != task->acl || (current->acl != current->role->root_label -+ && task_pid_nr(current) != task_pid_nr(task)))) -+ return 1; -+ -+ return 0; -+} -+ -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ if (!(current->role->roletype & GR_ROLE_GOD)) -+ return; -+ -+ seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n", -+ p->role->rolename, gr_task_roletype_to_char(p), -+ p->acl->filename); -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { -+ read_lock(&tasklist_lock); -+ while (task_pid_nr(tmp) > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) { -+ read_unlock(&tasklist_lock); -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ read_unlock(&tasklist_lock); -+ } -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) -+ return 0; -+#endif -+ -+ read_lock(&grsec_exec_file_lock); -+ if (unlikely(!task->exec_file)) { -+ read_unlock(&grsec_exec_file_lock); -+ return 0; -+ } -+ -+ retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ -+ if (retmode & GR_NOPTRACE) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ if (retmode & GR_PTRACERD) { -+ switch (request) { -+ case PTRACE_SEIZE: -+ case PTRACE_POKETEXT: -+ case PTRACE_POKEDATA: -+ case PTRACE_POKEUSR: -+#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64) -+ case PTRACE_SETREGS: -+ case PTRACE_SETFPREGS: -+#endif -+#ifdef CONFIG_X86 -+ case PTRACE_SETFPXREGS: -+#endif -+#ifdef CONFIG_ALTIVEC -+ case PTRACE_SETVRREGS: -+#endif -+ return 1; -+ default: -+ return 0; -+ } -+ } else if (!(current->acl->mode & GR_POVERRIDE) && -+ !(current->role->roletype & GR_ROLE_GOD) && -+ (current->acl != task->acl)) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+static int is_writable_mmap(const struct file *filp) -+{ -+ struct task_struct *task = current; -+ struct acl_object_label *obj, *obj2; -+ struct dentry *dentry = filp->f_path.dentry; -+ struct vfsmount *mnt = filp->f_path.mnt; -+ struct inode *inode = d_backing_inode(dentry); -+ -+ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) && -+ !task->is_writable && d_is_reg(dentry) && (mnt != shm_mnt || (inode->i_nlink > 0))) { -+ obj = chk_obj_label(dentry, mnt, running_polstate.default_role->root_label); -+ obj2 = chk_obj_label(dentry, mnt, task->role->root_label); -+ if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, dentry, mnt); -+ return 1; -+ } -+ } -+ return 0; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ unsigned long runtime, cputime; -+ cputime_t utime, stime; -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ struct timespec curtime, starttime; -+ -+ if (unlikely(!(gr_status & GR_READY) || !task->acl || -+ !(task->acl->mode & GR_PROCACCT))) -+ return; -+ -+ curtime = ns_to_timespec(ktime_get_ns()); -+ starttime = ns_to_timespec(task->start_time); -+ runtime = curtime.tv_sec - starttime.tv_sec; -+ wday = runtime / (60 * 60 * 24); -+ runtime -= wday * (60 * 60 * 24); -+ whr = runtime / (60 * 60); -+ runtime -= whr * (60 * 60); -+ wmin = runtime / 60; -+ runtime -= wmin * 60; -+ wsec = runtime; -+ -+ task_cputime(task, &utime, &stime); -+ cputime = cputime_to_secs(utime + stime); -+ cday = cputime / (60 * 60 * 24); -+ cputime -= cday * (60 * 60 * 24); -+ chr = cputime / (60 * 60); -+ cputime -= chr * (60 * 60); -+ cmin = cputime / 60; -+ cputime -= cmin * 60; -+ csec = cputime; -+ -+ gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code); -+ -+ return; -+} -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ struct task_struct *task; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred; -+#endif -+ int ret = 0; -+ -+ /* restrict taskstats viewing to un-chrooted root users -+ who have the 'view' subject flag if the RBAC system is enabled -+ */ -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ task = find_task_by_vpid(pid); -+ if (task) { -+#ifdef CONFIG_GRKERNSEC_CHROOT -+ if (proc_is_chrooted(task)) -+ ret = -EACCES; -+#endif -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ cred = __task_cred(task); -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (gr_is_global_nonroot(cred->uid)) -+ ret = -EACCES; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (gr_is_global_nonroot(cred->uid) && !groups_search(cred->group_info, grsec_proc_gid)) -+ ret = -EACCES; -+#endif -+#endif -+ if (gr_status & GR_READY) { -+ if (!(task->acl->mode & GR_VIEW)) -+ ret = -EACCES; -+ } -+ } else -+ ret = -ENOENT; -+ -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return ret; -+} -+#endif -+ -+/* AUXV entries are filled via a descendant of search_binary_handler -+ after we've already applied the subject for the target -+*/ -+int gr_acl_enable_at_secure(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & GR_ATSECURE) -+ return 1; -+ -+ return 0; -+} -+ -+int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const u64 ino) -+{ -+ struct task_struct *task = current; -+ struct dentry *dentry = file->f_path.dentry; -+ struct vfsmount *mnt = file->f_path.mnt; -+ struct acl_object_label *obj, *tmp; -+ struct acl_subject_label *subj; -+ unsigned int bufsize; -+ int is_not_root; -+ char *path; -+ dev_t dev = __get_dev(dentry); -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 1; -+ -+ if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return 1; -+ -+ /* ignore Eric Biederman */ -+ if (IS_PRIVATE(d_backing_inode(dentry))) -+ return 1; -+ -+ subj = task->acl; -+ read_lock(&gr_inode_lock); -+ do { -+ obj = lookup_acl_obj_label(ino, dev, subj); -+ if (obj != NULL) { -+ read_unlock(&gr_inode_lock); -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ } -+ } while ((subj = subj->parent_subject)); -+ read_unlock(&gr_inode_lock); -+ -+ /* this is purely an optimization since we're looking for an object -+ for the directory we're doing a readdir on -+ if it's possible for any globbed object to match the entry we're -+ filling into the directory, then the object we find here will be -+ an anchor point with attached globbed objects -+ */ -+ obj = chk_obj_label_noglob(dentry, mnt, task->acl); -+ if (obj->globbed == NULL) -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ -+ is_not_root = ((obj->filename[0] == '/') && -+ (obj->filename[1] == '\0')) ? 0 : 1; -+ bufsize = PAGE_SIZE - namelen - is_not_root; -+ -+ /* check bufsize > PAGE_SIZE || bufsize == 0 */ -+ if (unlikely((bufsize - 1) > (PAGE_SIZE - 1))) -+ return 1; -+ -+ preempt_disable(); -+ path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ bufsize); -+ -+ bufsize = strlen(path); -+ -+ /* if base is "/", don't append an additional slash */ -+ if (is_not_root) -+ *(path + bufsize) = '/'; -+ memcpy(path + bufsize + is_not_root, name, namelen); -+ *(path + bufsize + namelen + is_not_root) = '\0'; -+ -+ tmp = obj->globbed; -+ while (tmp) { -+ if (!glob_match(tmp->filename, path)) { -+ preempt_enable(); -+ return (tmp->mode & GR_FIND) ? 1 : 0; -+ } -+ tmp = tmp->next; -+ } -+ preempt_enable(); -+ return (obj->mode & GR_FIND) ? 1 : 0; -+} -+ -+void gr_put_exec_file(struct task_struct *task) -+{ -+ struct file *filp; -+ -+ write_lock(&grsec_exec_file_lock); -+ filp = task->exec_file; -+ task->exec_file = NULL; -+ write_unlock(&grsec_exec_file_lock); -+ -+ if (filp) -+ fput(filp); -+ -+ return; -+} -+ -+ -+#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE -+EXPORT_SYMBOL_GPL(gr_acl_is_enabled); -+#endif -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL_GPL(gr_check_user_change); -+EXPORT_SYMBOL_GPL(gr_check_group_change); -+#endif -+ -diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c -new file mode 100644 -index 0000000..9adc75c ---- /dev/null -+++ b/grsecurity/gracl_alloc.c -@@ -0,0 +1,105 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+ -+static struct gr_alloc_state __current_alloc_state = { 1, 1, NULL }; -+struct gr_alloc_state *current_alloc_state = &__current_alloc_state; -+ -+static int -+alloc_pop(void) -+{ -+ if (current_alloc_state->alloc_stack_next == 1) -+ return 0; -+ -+ kfree(current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 2]); -+ -+ current_alloc_state->alloc_stack_next--; -+ -+ return 1; -+} -+ -+static int -+alloc_push(void *buf) -+{ -+ if (current_alloc_state->alloc_stack_next >= current_alloc_state->alloc_stack_size) -+ return 1; -+ -+ current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 1] = buf; -+ -+ current_alloc_state->alloc_stack_next++; -+ -+ return 0; -+} -+ -+void * -+acl_alloc(unsigned long len) -+{ -+ void *ret = NULL; -+ -+ if (!len || len > PAGE_SIZE) -+ goto out; -+ -+ ret = kmalloc(len, GFP_KERNEL); -+ -+ if (ret) { -+ if (alloc_push(ret)) { -+ kfree(ret); -+ ret = NULL; -+ } -+ } -+ -+out: -+ return ret; -+} -+ -+void * -+acl_alloc_num(unsigned long num, unsigned long len) -+{ -+ if (!len || (num > (PAGE_SIZE / len))) -+ return NULL; -+ -+ return acl_alloc(num * len); -+} -+ -+void -+acl_free_all(void) -+{ -+ if (!current_alloc_state->alloc_stack) -+ return; -+ -+ while (alloc_pop()) ; -+ -+ if (current_alloc_state->alloc_stack) { -+ if ((current_alloc_state->alloc_stack_size * sizeof (void *)) <= PAGE_SIZE) -+ kfree(current_alloc_state->alloc_stack); -+ else -+ vfree(current_alloc_state->alloc_stack); -+ } -+ -+ current_alloc_state->alloc_stack = NULL; -+ current_alloc_state->alloc_stack_size = 1; -+ current_alloc_state->alloc_stack_next = 1; -+ -+ return; -+} -+ -+int -+acl_alloc_stack_init(unsigned long size) -+{ -+ if ((size * sizeof (void *)) <= PAGE_SIZE) -+ current_alloc_state->alloc_stack = -+ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL); -+ else -+ current_alloc_state->alloc_stack = (void **) vmalloc(size * sizeof (void *)); -+ -+ current_alloc_state->alloc_stack_size = size; -+ current_alloc_state->alloc_stack_next = 1; -+ -+ if (!current_alloc_state->alloc_stack) -+ return 0; -+ else -+ return 1; -+} -diff --git a/grsecurity/gracl_cap.c b/grsecurity/gracl_cap.c -new file mode 100644 -index 0000000..1a94c11 ---- /dev/null -+++ b/grsecurity/gracl_cap.c -@@ -0,0 +1,127 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+extern const char *captab_log[]; -+extern int captab_log_entries; -+ -+int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ if (curracl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), task->exec_file ? -+ gr_to_filename(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : curracl->filename, -+ curracl->filename, 0UL, -+ 0UL, "", (unsigned long) cap, &task->signal->saved_ip); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ kernel_cap_t cap_audit = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ cap_audit = curracl->cap_invert_audit; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ if (cap_raised(curracl->cap_invert_audit, cap)) -+ cap_raise(cap_audit, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) { -+ if (cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]); -+ return 1; -+ } -+ -+ /* only learn the capability use if the process has the capability in the -+ general case, the two uses in sys.c of gr_learn_cap are an exception -+ to this rule to ensure any role transition involves what the full-learned -+ policy believes in a privileged process -+ */ -+ if (cap_raised(cred->cap_effective, cap) && gr_learn_cap(task, cred, cap)) -+ return 1; -+ -+ if ((cap >= 0) && (cap < captab_log_entries) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]); -+ -+ return 0; -+} -+ -+int -+gr_acl_is_capable(const int cap) -+{ -+ return gr_task_acl_is_capable(current, current_cred(), cap); -+} -+ -+int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_acl_is_capable_nolog(const int cap) -+{ -+ return gr_task_acl_is_capable_nolog(current, cap); -+} -+ -diff --git a/grsecurity/gracl_compat.c b/grsecurity/gracl_compat.c -new file mode 100644 -index 0000000..a43dd06 ---- /dev/null -+++ b/grsecurity/gracl_compat.c -@@ -0,0 +1,269 @@ -+#include <linux/kernel.h> -+#include <linux/gracl.h> -+#include <linux/compat.h> -+#include <linux/gracl_compat.h> -+ -+#include <asm/uaccess.h> -+ -+int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap) -+{ -+ struct gr_arg_wrapper_compat uwrapcompat; -+ -+ if (copy_from_user(&uwrapcompat, buf, sizeof(uwrapcompat))) -+ return -EFAULT; -+ -+ if ((uwrapcompat.version != GRSECURITY_VERSION) || -+ (uwrapcompat.size != sizeof(struct gr_arg_compat))) -+ return -EINVAL; -+ -+ uwrap->arg = compat_ptr(uwrapcompat.arg); -+ uwrap->version = uwrapcompat.version; -+ uwrap->size = sizeof(struct gr_arg); -+ -+ return 0; -+} -+ -+int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg) -+{ -+ struct gr_arg_compat argcompat; -+ -+ if (copy_from_user(&argcompat, buf, sizeof(argcompat))) -+ return -EFAULT; -+ -+ arg->role_db.r_table = compat_ptr(argcompat.role_db.r_table); -+ arg->role_db.num_pointers = argcompat.role_db.num_pointers; -+ arg->role_db.num_roles = argcompat.role_db.num_roles; -+ arg->role_db.num_domain_children = argcompat.role_db.num_domain_children; -+ arg->role_db.num_subjects = argcompat.role_db.num_subjects; -+ arg->role_db.num_objects = argcompat.role_db.num_objects; -+ -+ memcpy(&arg->pw, &argcompat.pw, sizeof(arg->pw)); -+ memcpy(&arg->salt, &argcompat.salt, sizeof(arg->salt)); -+ memcpy(&arg->sum, &argcompat.sum, sizeof(arg->sum)); -+ memcpy(&arg->sp_role, &argcompat.sp_role, sizeof(arg->sp_role)); -+ arg->sprole_pws = compat_ptr(argcompat.sprole_pws); -+ arg->segv_device = argcompat.segv_device; -+ arg->segv_inode = argcompat.segv_inode; -+ arg->segv_uid = argcompat.segv_uid; -+ arg->num_sprole_pws = argcompat.num_sprole_pws; -+ arg->mode = argcompat.mode; -+ -+ return 0; -+} -+ -+int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp) -+{ -+ struct acl_object_label_compat objcompat; -+ -+ if (copy_from_user(&objcompat, userp, sizeof(objcompat))) -+ return -EFAULT; -+ -+ obj->filename = compat_ptr(objcompat.filename); -+ obj->inode = objcompat.inode; -+ obj->device = objcompat.device; -+ obj->mode = objcompat.mode; -+ -+ obj->nested = compat_ptr(objcompat.nested); -+ obj->globbed = compat_ptr(objcompat.globbed); -+ -+ obj->prev = compat_ptr(objcompat.prev); -+ obj->next = compat_ptr(objcompat.next); -+ -+ return 0; -+} -+ -+int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp) -+{ -+ unsigned int i; -+ struct acl_subject_label_compat subjcompat; -+ -+ if (copy_from_user(&subjcompat, userp, sizeof(subjcompat))) -+ return -EFAULT; -+ -+ subj->filename = compat_ptr(subjcompat.filename); -+ subj->inode = subjcompat.inode; -+ subj->device = subjcompat.device; -+ subj->mode = subjcompat.mode; -+ subj->cap_mask = subjcompat.cap_mask; -+ subj->cap_lower = subjcompat.cap_lower; -+ subj->cap_invert_audit = subjcompat.cap_invert_audit; -+ -+ for (i = 0; i < GR_NLIMITS; i++) { -+ if (subjcompat.res[i].rlim_cur == COMPAT_RLIM_INFINITY) -+ subj->res[i].rlim_cur = RLIM_INFINITY; -+ else -+ subj->res[i].rlim_cur = subjcompat.res[i].rlim_cur; -+ if (subjcompat.res[i].rlim_max == COMPAT_RLIM_INFINITY) -+ subj->res[i].rlim_max = RLIM_INFINITY; -+ else -+ subj->res[i].rlim_max = subjcompat.res[i].rlim_max; -+ } -+ subj->resmask = subjcompat.resmask; -+ -+ subj->user_trans_type = subjcompat.user_trans_type; -+ subj->group_trans_type = subjcompat.group_trans_type; -+ subj->user_transitions = compat_ptr(subjcompat.user_transitions); -+ subj->group_transitions = compat_ptr(subjcompat.group_transitions); -+ subj->user_trans_num = subjcompat.user_trans_num; -+ subj->group_trans_num = subjcompat.group_trans_num; -+ -+ memcpy(&subj->sock_families, &subjcompat.sock_families, sizeof(subj->sock_families)); -+ memcpy(&subj->ip_proto, &subjcompat.ip_proto, sizeof(subj->ip_proto)); -+ subj->ip_type = subjcompat.ip_type; -+ subj->ips = compat_ptr(subjcompat.ips); -+ subj->ip_num = subjcompat.ip_num; -+ subj->inaddr_any_override = subjcompat.inaddr_any_override; -+ -+ subj->crashes = subjcompat.crashes; -+ subj->expires = subjcompat.expires; -+ -+ subj->parent_subject = compat_ptr(subjcompat.parent_subject); -+ subj->hash = compat_ptr(subjcompat.hash); -+ subj->prev = compat_ptr(subjcompat.prev); -+ subj->next = compat_ptr(subjcompat.next); -+ -+ subj->obj_hash = compat_ptr(subjcompat.obj_hash); -+ subj->obj_hash_size = subjcompat.obj_hash_size; -+ subj->pax_flags = subjcompat.pax_flags; -+ -+ return 0; -+} -+ -+int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp) -+{ -+ struct acl_role_label_compat rolecompat; -+ -+ if (copy_from_user(&rolecompat, userp, sizeof(rolecompat))) -+ return -EFAULT; -+ -+ role->rolename = compat_ptr(rolecompat.rolename); -+ role->uidgid = rolecompat.uidgid; -+ role->roletype = rolecompat.roletype; -+ -+ role->auth_attempts = rolecompat.auth_attempts; -+ role->expires = rolecompat.expires; -+ -+ role->root_label = compat_ptr(rolecompat.root_label); -+ role->hash = compat_ptr(rolecompat.hash); -+ -+ role->prev = compat_ptr(rolecompat.prev); -+ role->next = compat_ptr(rolecompat.next); -+ -+ role->transitions = compat_ptr(rolecompat.transitions); -+ role->allowed_ips = compat_ptr(rolecompat.allowed_ips); -+ role->domain_children = compat_ptr(rolecompat.domain_children); -+ role->domain_child_num = rolecompat.domain_child_num; -+ -+ role->umask = rolecompat.umask; -+ -+ role->subj_hash = compat_ptr(rolecompat.subj_hash); -+ role->subj_hash_size = rolecompat.subj_hash_size; -+ -+ return 0; -+} -+ -+int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) -+{ -+ struct role_allowed_ip_compat roleip_compat; -+ -+ if (copy_from_user(&roleip_compat, userp, sizeof(roleip_compat))) -+ return -EFAULT; -+ -+ roleip->addr = roleip_compat.addr; -+ roleip->netmask = roleip_compat.netmask; -+ -+ roleip->prev = compat_ptr(roleip_compat.prev); -+ roleip->next = compat_ptr(roleip_compat.next); -+ -+ return 0; -+} -+ -+int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp) -+{ -+ struct role_transition_compat trans_compat; -+ -+ if (copy_from_user(&trans_compat, userp, sizeof(trans_compat))) -+ return -EFAULT; -+ -+ trans->rolename = compat_ptr(trans_compat.rolename); -+ -+ trans->prev = compat_ptr(trans_compat.prev); -+ trans->next = compat_ptr(trans_compat.next); -+ -+ return 0; -+ -+} -+ -+int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) -+{ -+ struct gr_hash_struct_compat hash_compat; -+ -+ if (copy_from_user(&hash_compat, userp, sizeof(hash_compat))) -+ return -EFAULT; -+ -+ hash->table = compat_ptr(hash_compat.table); -+ hash->nametable = compat_ptr(hash_compat.nametable); -+ hash->first = compat_ptr(hash_compat.first); -+ -+ hash->table_size = hash_compat.table_size; -+ hash->used_size = hash_compat.used_size; -+ -+ hash->type = hash_compat.type; -+ -+ return 0; -+} -+ -+int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp) -+{ -+ compat_uptr_t ptrcompat; -+ -+ if (copy_from_user(&ptrcompat, userp + (idx * sizeof(ptrcompat)), sizeof(ptrcompat))) -+ return -EFAULT; -+ -+ *(void **)ptr = compat_ptr(ptrcompat); -+ -+ return 0; -+} -+ -+int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp) -+{ -+ struct acl_ip_label_compat ip_compat; -+ -+ if (copy_from_user(&ip_compat, userp, sizeof(ip_compat))) -+ return -EFAULT; -+ -+ ip->iface = compat_ptr(ip_compat.iface); -+ ip->addr = ip_compat.addr; -+ ip->netmask = ip_compat.netmask; -+ ip->low = ip_compat.low; -+ ip->high = ip_compat.high; -+ ip->mode = ip_compat.mode; -+ ip->type = ip_compat.type; -+ -+ memcpy(&ip->proto, &ip_compat.proto, sizeof(ip->proto)); -+ -+ ip->prev = compat_ptr(ip_compat.prev); -+ ip->next = compat_ptr(ip_compat.next); -+ -+ return 0; -+} -+ -+int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) -+{ -+ struct sprole_pw_compat pw_compat; -+ -+ if (copy_from_user(&pw_compat, (const void *)userp + (sizeof(pw_compat) * idx), sizeof(pw_compat))) -+ return -EFAULT; -+ -+ pw->rolename = compat_ptr(pw_compat.rolename); -+ memcpy(&pw->salt, pw_compat.salt, sizeof(pw->salt)); -+ memcpy(&pw->sum, pw_compat.sum, sizeof(pw->sum)); -+ -+ return 0; -+} -+ -+size_t get_gr_arg_wrapper_size_compat(void) -+{ -+ return sizeof(struct gr_arg_wrapper_compat); -+} -+ -diff --git a/grsecurity/gracl_fs.c b/grsecurity/gracl_fs.c -new file mode 100644 -index 0000000..fce7f71 ---- /dev/null -+++ b/grsecurity/gracl_fs.c -@@ -0,0 +1,448 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/types.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/stat.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+umode_t -+gr_acl_umask(void) -+{ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ return current->role->umask; -+} -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ __u32 mode; -+ -+ if (unlikely(d_is_negative(dentry))) -+ return GR_FIND; -+ -+ mode = -+ gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt); -+ -+ if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return mode; -+ } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_FIND))) -+ return 0; -+ -+ return GR_FIND; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ int acc_mode) -+{ -+ __u32 reqmode = GR_FIND; -+ __u32 mode; -+ -+ if (unlikely(d_is_negative(dentry))) -+ return reqmode; -+ -+ if (acc_mode & MAY_APPEND) -+ reqmode |= GR_APPEND; -+ else if (acc_mode & MAY_WRITE) -+ reqmode |= GR_WRITE; -+ if ((acc_mode & MAY_READ) && !d_is_dir(dentry)) -+ reqmode |= GR_READ; -+ -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, int open_flags, int acc_mode, -+ const int imode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ if (acc_mode & MAY_APPEND) -+ reqmode |= GR_APPEND; -+ // if a directory was required or the directory already exists, then -+ // don't count this open as a read -+ if ((acc_mode & MAY_READ) && -+ !((open_flags & O_DIRECTORY) || d_is_dir(dentry))) -+ reqmode |= GR_READ; -+ if ((open_flags & O_CREAT) && -+ ((imode & S_ISUID) || ((imode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)))) -+ reqmode |= GR_SETID; -+ -+ mode = -+ gr_check_create(dentry, p_dentry, p_mnt, -+ reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt, -+ const int fmode) -+{ -+ __u32 mode, reqmode = GR_FIND; -+ -+ if ((fmode & S_IXOTH) && !d_is_dir(dentry)) -+ reqmode |= GR_EXEC; -+ if (fmode & S_IWOTH) -+ reqmode |= GR_WRITE; -+ if (fmode & S_IROTH) -+ reqmode |= GR_READ; -+ -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt, -+ umode_t *modeptr) -+{ -+ umode_t mode; -+ struct inode *inode = d_backing_inode(dentry); -+ -+ *modeptr &= ~gr_acl_umask(); -+ mode = *modeptr; -+ -+ if (unlikely(inode && S_ISSOCK(inode->i_mode))) -+ return 1; -+ -+ if (unlikely(!d_is_dir(dentry) && -+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))) { -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID, -+ GR_CHMOD_ACL_MSG); -+ } else { -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG); -+ } -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_removexattr(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_REMOVEXATTR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE, -+ GR_UNIXCONNECT_ACL_MSG); -+} -+ -+/* hardlinks require at minimum create and link permission, -+ any additional privilege required is based on the -+ privilege of the file being linked to -+*/ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const struct filename *to) -+{ -+ __u32 mode; -+ __u32 needmode = GR_CREATE | GR_LINK; -+ __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK; -+ -+ mode = -+ gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry, -+ old_mnt); -+ -+ if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) { -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const struct filename *from) -+{ -+ __u32 needmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ mode = -+ gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_CREATE | GR_AUDIT_CREATE | -+ GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS); -+ -+ if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) { -+ gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return (GR_WRITE | GR_CREATE); -+} -+ -+static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ if (unlikely((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)))) -+ reqmode |= GR_SETID; -+ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ reqmode, GR_MKNOD_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt) -+{ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG); -+} -+ -+#define RENAME_CHECK_SUCCESS(old, new) \ -+ (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \ -+ ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ))) -+ -+int -+gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags) -+{ -+ __u32 comp1, comp2; -+ int error = 0; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (flags & RENAME_EXCHANGE) { -+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, parent_mnt); -+ comp2 = -+ gr_search_file(old_dentry, -+ GR_READ | GR_WRITE | GR_AUDIT_READ | -+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt); -+ } else if (d_is_negative(new_dentry)) { -+ comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ | -+ GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS); -+ comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, old_mnt); -+ } else { -+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE | -+ GR_CREATE | GR_DELETE | -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, parent_mnt); -+ comp2 = -+ gr_search_file(old_dentry, -+ GR_READ | GR_WRITE | GR_AUDIT_READ | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt); -+ } -+ -+ if (RENAME_CHECK_SUCCESS(comp1, comp2) && -+ ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS))) -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name); -+ else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS) -+ && !(comp2 & GR_SUPPRESS)) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name); -+ error = -EACCES; -+ } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2))) -+ error = -EACCES; -+ -+ return error; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ u16 id; -+ char *rolename; -+ -+ if (unlikely(current->acl_sp_role && gr_acl_is_enabled() && -+ !(current->role->roletype & GR_ROLE_PERSIST))) { -+ id = current->acl_role_id; -+ rolename = current->role->rolename; -+ gr_set_acls(1); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id); -+ } -+ -+ gr_put_exec_file(current); -+ return; -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (task != current && (task->acl->mode & GR_PROTPROCFD) && -+ !(current->acl->mode & GR_POVERRIDE) && -+ !(current->role->roletype & GR_ROLE_GOD)) -+ return -EACCES; -+ -+ return 0; -+} -diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c -new file mode 100644 -index 0000000..ed6ee43 ---- /dev/null -+++ b/grsecurity/gracl_ip.c -@@ -0,0 +1,386 @@ -+#include <linux/kernel.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/skbuff.h> -+#include <linux/ip.h> -+#include <linux/udp.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/netdevice.h> -+#include <linux/inetdevice.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+#define GR_BIND 0x01 -+#define GR_CONNECT 0x02 -+#define GR_INVERT 0x04 -+#define GR_BINDOVERRIDE 0x08 -+#define GR_CONNECTOVERRIDE 0x10 -+#define GR_SOCK_FAMILY 0x20 -+ -+static const char * gr_protocols[IPPROTO_MAX] = { -+ "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt", -+ "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet", -+ "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1", -+ "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp", -+ "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++", -+ "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre", -+ "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile", -+ "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63", -+ "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv", -+ "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak", -+ "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf", -+ "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp", -+ "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim", -+ "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip", -+ "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp", -+ "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup", -+ "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135", -+ "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143", -+ "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151", -+ "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159", -+ "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167", -+ "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175", -+ "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183", -+ "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191", -+ "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199", -+ "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207", -+ "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215", -+ "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223", -+ "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231", -+ "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239", -+ "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247", -+ "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255", -+ }; -+ -+static const char * gr_socktypes[SOCK_MAX] = { -+ "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6", -+ "unknown:7", "unknown:8", "unknown:9", "packet" -+ }; -+ -+static const char * gr_sockfamilies[AF_MAX+1] = { -+ "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25", -+ "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash", -+ "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28", -+ "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf", "alg", "nfc", "vsock" -+ }; -+ -+const char * -+gr_proto_to_name(unsigned char proto) -+{ -+ return gr_protocols[proto]; -+} -+ -+const char * -+gr_socktype_to_name(unsigned char type) -+{ -+ return gr_socktypes[type]; -+} -+ -+const char * -+gr_sockfamily_to_name(unsigned char family) -+{ -+ return gr_sockfamilies[family]; -+} -+ -+extern const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; -+ -+int -+gr_search_socket(const int domain, const int type, const int protocol) -+{ -+ struct acl_subject_label *curr; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ goto exit; -+ -+ if ((domain < 0) || (type < 0) || (protocol < 0) || -+ (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX)) -+ goto exit; // let the kernel handle it -+ -+ curr = current->acl; -+ -+ if (curr->sock_families[domain / 32] & (1U << (domain % 32))) { -+ /* the family is allowed, if this is PF_INET allow it only if -+ the extra sock type/protocol checks pass */ -+ if (domain == PF_INET) -+ goto inet_check; -+ goto exit; -+ } else { -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, domain, 0, 0, GR_SOCK_FAMILY, -+ &current->signal->saved_ip); -+ goto exit; -+ } -+ goto exit_fail; -+ } -+ -+inet_check: -+ /* the rest of this checking is for IPv4 only */ -+ if (!curr->ips) -+ goto exit; -+ -+ if ((curr->ip_type & (1U << type)) && -+ (curr->ip_proto[protocol / 32] & (1U << (protocol % 32)))) -+ goto exit; -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ /* we don't place acls on raw sockets , and sometimes -+ dgram/ip sockets are opened for ioctl and not -+ bind/connect, so we'll fake a bind learn log */ -+ if (type == SOCK_RAW || type == SOCK_PACKET) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_CONNECT, &current->signal->saved_ip); -+ } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_BIND, &current->signal->saved_ip); -+ } -+ /* we'll log when they use connect or bind */ -+ goto exit; -+ } -+ -+exit_fail: -+ if (domain == PF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else if (rcu_access_pointer(net_families[domain]) != NULL) -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), protocol); -+ -+ return 0; -+exit: -+ return 1; -+} -+ -+int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask) -+{ -+ if ((ip->mode & mode) && -+ (ip_port >= ip->low) && -+ (ip_port <= ip->high) && -+ ((ntohl(ip_addr) & our_netmask) == -+ (ntohl(our_addr) & our_netmask)) -+ && (ip->proto[protocol / 32] & (1U << (protocol % 32))) -+ && (ip->type & (1U << type))) { -+ if (ip->mode & GR_INVERT) -+ return 2; // specifically denied -+ else -+ return 1; // allowed -+ } -+ -+ return 0; // not specifically allowed, may continue parsing -+} -+ -+static int -+gr_search_connectbind(const int full_mode, struct sock *sk, -+ struct sockaddr_in *addr, const int type) -+{ -+ char iface[IFNAMSIZ] = {0}; -+ struct acl_subject_label *curr; -+ struct acl_ip_label *ip; -+ struct inet_sock *isk; -+ struct net_device *dev; -+ struct in_device *idev; -+ unsigned long i; -+ int ret; -+ int mode = full_mode & (GR_BIND | GR_CONNECT); -+ __u32 ip_addr = 0; -+ __u32 our_addr; -+ __u32 our_netmask; -+ char *p; -+ __u16 ip_port = 0; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET)) -+ return 0; -+ -+ curr = current->acl; -+ isk = inet_sk(sk); -+ -+ /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */ -+ if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) -+ addr->sin_addr.s_addr = curr->inaddr_any_override; -+ if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) { -+ struct sockaddr_in saddr; -+ int err; -+ -+ saddr.sin_family = AF_INET; -+ saddr.sin_addr.s_addr = curr->inaddr_any_override; -+ saddr.sin_port = isk->inet_sport; -+ -+ err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ -+ err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ } -+ -+ if (!curr->ips) -+ return 0; -+ -+ ip_addr = addr->sin_addr.s_addr; -+ ip_port = ntohs(addr->sin_port); -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &ip_addr, ip_port, type, -+ sk->sk_protocol, mode, &current->signal->saved_ip); -+ return 0; -+ } -+ -+ for (i = 0; i < curr->ip_num; i++) { -+ ip = *(curr->ips + i); -+ if (ip->iface != NULL) { -+ strncpy(iface, ip->iface, IFNAMSIZ - 1); -+ p = strchr(iface, ':'); -+ if (p != NULL) -+ *p = '\0'; -+ dev = dev_get_by_name(sock_net(sk), iface); -+ if (dev == NULL) -+ continue; -+ idev = in_dev_get(dev); -+ if (idev == NULL) { -+ dev_put(dev); -+ continue; -+ } -+ rcu_read_lock(); -+ for_ifa(idev) { -+ if (!strcmp(ip->iface, ifa->ifa_label)) { -+ our_addr = ifa->ifa_address; -+ our_netmask = 0xffffffff; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ return 0; -+ } else if (ret == 2) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ goto denied; -+ } -+ } -+ } endfor_ifa(idev); -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ } else { -+ our_addr = ip->addr; -+ our_netmask = ip->netmask; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) -+ return 0; -+ else if (ret == 2) -+ goto denied; -+ } -+ } -+ -+denied: -+ if (mode == GR_BIND) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ else if (mode == GR_CONNECT) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ -+ return -EACCES; -+} -+ -+int -+gr_search_connect(struct socket *sock, struct sockaddr_in *addr) -+{ -+ /* always allow disconnection of dgram sockets with connect */ -+ if (addr->sin_family == AF_UNSPEC) -+ return 0; -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int -+gr_search_bind(struct socket *sock, struct sockaddr_in *addr) -+{ -+ return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int gr_search_listen(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int gr_search_accept(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int -+gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr) -+{ -+ if (addr) -+ return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM); -+ else { -+ struct sockaddr_in sin; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ sin.sin_addr.s_addr = inet->inet_daddr; -+ sin.sin_port = inet->inet_dport; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+ } -+} -+ -+int -+gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb) -+{ -+ struct sockaddr_in sin; -+ -+ if (unlikely(skb->len < sizeof (struct udphdr))) -+ return 0; // skip this packet -+ -+ sin.sin_addr.s_addr = ip_hdr(skb)->saddr; -+ sin.sin_port = udp_hdr(skb)->source; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+} -diff --git a/grsecurity/gracl_learn.c b/grsecurity/gracl_learn.c -new file mode 100644 -index 0000000..25f54ef ---- /dev/null -+++ b/grsecurity/gracl_learn.c -@@ -0,0 +1,207 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/poll.h> -+#include <linux/string.h> -+#include <linux/file.h> -+#include <linux/types.h> -+#include <linux/vmalloc.h> -+#include <linux/grinternal.h> -+ -+extern ssize_t write_grsec_handler(struct file * file, const char __user * buf, -+ size_t count, loff_t *ppos); -+extern int gr_acl_is_enabled(void); -+ -+static DECLARE_WAIT_QUEUE_HEAD(learn_wait); -+static int gr_learn_attached; -+ -+/* use a 512k buffer */ -+#define LEARN_BUFFER_SIZE (512 * 1024) -+ -+static DEFINE_SPINLOCK(gr_learn_lock); -+static DEFINE_MUTEX(gr_learn_user_mutex); -+ -+/* we need to maintain two buffers, so that the kernel context of grlearn -+ uses a semaphore around the userspace copying, and the other kernel contexts -+ use a spinlock when copying into the buffer, since they cannot sleep -+*/ -+static char *learn_buffer; -+static char *learn_buffer_user; -+static int learn_buffer_len; -+static int learn_buffer_user_len; -+ -+static ssize_t -+read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos) -+{ -+ DECLARE_WAITQUEUE(wait, current); -+ ssize_t retval = 0; -+ -+ add_wait_queue(&learn_wait, &wait); -+ set_current_state(TASK_INTERRUPTIBLE); -+ do { -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ if (learn_buffer_len) -+ break; -+ spin_unlock(&gr_learn_lock); -+ mutex_unlock(&gr_learn_user_mutex); -+ if (file->f_flags & O_NONBLOCK) { -+ retval = -EAGAIN; -+ goto out; -+ } -+ if (signal_pending(current)) { -+ retval = -ERESTARTSYS; -+ goto out; -+ } -+ -+ schedule(); -+ } while (1); -+ -+ memcpy(learn_buffer_user, learn_buffer, learn_buffer_len); -+ learn_buffer_user_len = learn_buffer_len; -+ retval = learn_buffer_len; -+ learn_buffer_len = 0; -+ -+ spin_unlock(&gr_learn_lock); -+ -+ if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len)) -+ retval = -EFAULT; -+ -+ mutex_unlock(&gr_learn_user_mutex); -+out: -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&learn_wait, &wait); -+ return retval; -+} -+ -+static unsigned int -+poll_learn(struct file * file, poll_table * wait) -+{ -+ poll_wait(file, &learn_wait, wait); -+ -+ if (learn_buffer_len) -+ return (POLLIN | POLLRDNORM); -+ -+ return 0; -+} -+ -+void -+gr_clear_learn_entries(void) -+{ -+ char *tmp; -+ -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ -+ return; -+} -+ -+void -+gr_add_learn_entry(const char *fmt, ...) -+{ -+ va_list args; -+ unsigned int len; -+ -+ if (!gr_learn_attached) -+ return; -+ -+ spin_lock(&gr_learn_lock); -+ -+ /* leave a gap at the end so we know when it's "full" but don't have to -+ compute the exact length of the string we're trying to append -+ */ -+ if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) { -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ return; -+ } -+ if (learn_buffer == NULL) { -+ spin_unlock(&gr_learn_lock); -+ return; -+ } -+ -+ va_start(args, fmt); -+ len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args); -+ va_end(args); -+ -+ learn_buffer_len += len + 1; -+ -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ -+ return; -+} -+ -+static int -+open_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ && gr_learn_attached) -+ return -EBUSY; -+ if (file->f_mode & FMODE_READ) { -+ int retval = 0; -+ mutex_lock(&gr_learn_user_mutex); -+ if (learn_buffer == NULL) -+ learn_buffer = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer_user == NULL) -+ learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ if (learn_buffer_user == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 1; -+out_error: -+ mutex_unlock(&gr_learn_user_mutex); -+ return retval; -+ } -+ return 0; -+} -+ -+static int -+close_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ) { -+ char *tmp = NULL; -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ } -+ -+ return 0; -+} -+ -+const struct file_operations grsec_fops = { -+ .read = read_learn, -+ .write = write_grsec_handler, -+ .open = open_learn, -+ .release = close_learn, -+ .poll = poll_learn, -+}; -diff --git a/grsecurity/gracl_policy.c b/grsecurity/gracl_policy.c -new file mode 100644 -index 0000000..0773423 ---- /dev/null -+++ b/grsecurity/gracl_policy.c -@@ -0,0 +1,1786 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/tty.h> -+#include <linux/proc_fs.h> -+#include <linux/lglock.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/types.h> -+#include <linux/sysctl.h> -+#include <linux/netdevice.h> -+#include <linux/ptrace.h> -+#include <linux/gracl.h> -+#include <linux/gralloc.h> -+#include <linux/security.h> -+#include <linux/grinternal.h> -+#include <linux/pid_namespace.h> -+#include <linux/stop_machine.h> -+#include <linux/fdtable.h> -+#include <linux/percpu.h> -+#include <linux/lglock.h> -+#include <linux/hugetlb.h> -+#include <linux/posix-timers.h> -+#include "../fs/mount.h" -+ -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+ -+extern struct gr_policy_state *polstate; -+ -+#define FOR_EACH_ROLE_START(role) \ -+ role = polstate->role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+struct path gr_real_root; -+ -+extern struct gr_alloc_state *current_alloc_state; -+ -+u16 acl_sp_role_value; -+ -+static DEFINE_MUTEX(gr_dev_mutex); -+ -+extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum); -+extern void gr_clear_learn_entries(void); -+ -+struct gr_arg *gr_usermode __read_only; -+unsigned char *gr_system_salt __read_only; -+unsigned char *gr_system_sum __read_only; -+ -+static unsigned int gr_auth_attempts = 0; -+static unsigned long gr_auth_expires = 0UL; -+ -+struct acl_object_label *fakefs_obj_rw; -+struct acl_object_label *fakefs_obj_rwx; -+ -+extern int gr_init_uidset(void); -+extern void gr_free_uidset(void); -+extern void gr_remove_uid(uid_t uid); -+extern int gr_find_uid(uid_t uid); -+ -+extern struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback); -+extern void __gr_apply_subject_to_task(struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj); -+extern int gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb); -+extern void __insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry); -+extern struct acl_role_label *__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid, const gid_t gid); -+extern void insert_acl_obj_label(struct acl_object_label *obj, struct acl_subject_label *subj); -+extern void insert_acl_subj_label(struct acl_subject_label *obj, struct acl_role_label *role); -+extern struct name_entry * __lookup_name_entry(const struct gr_policy_state *state, const char *name); -+extern char *gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt); -+extern struct acl_subject_label *lookup_acl_subj_label(const u64 ino, const dev_t dev, const struct acl_role_label *role); -+extern struct acl_subject_label *lookup_acl_subj_label_deleted(const u64 ino, const dev_t dev, const struct acl_role_label *role); -+extern void assign_special_role(const char *rolename); -+extern struct acl_subject_label *chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, const struct acl_role_label *role); -+extern int gr_rbac_disable(void *unused); -+extern void gr_enable_rbac_system(void); -+ -+static int copy_acl_object_label_normal(struct acl_object_label *obj, const struct acl_object_label *userp) -+{ -+ if (copy_from_user(obj, userp, sizeof(struct acl_object_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_ip_label_normal(struct acl_ip_label *ip, const struct acl_ip_label *userp) -+{ -+ if (copy_from_user(ip, userp, sizeof(struct acl_ip_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_subject_label_normal(struct acl_subject_label *subj, const struct acl_subject_label *userp) -+{ -+ if (copy_from_user(subj, userp, sizeof(struct acl_subject_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_role_label_normal(struct acl_role_label *role, const struct acl_role_label *userp) -+{ -+ if (copy_from_user(role, userp, sizeof(struct acl_role_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_role_allowed_ip_normal(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) -+{ -+ if (copy_from_user(roleip, userp, sizeof(struct role_allowed_ip))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_sprole_pw_normal(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) -+{ -+ if (copy_from_user(pw, userp + idx, sizeof(struct sprole_pw))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_gr_hash_struct_normal(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) -+{ -+ if (copy_from_user(hash, userp, sizeof(struct gr_hash_struct))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_role_transition_normal(struct role_transition *trans, const struct role_transition *userp) -+{ -+ if (copy_from_user(trans, userp, sizeof(struct role_transition))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+int copy_pointer_from_array_normal(void *ptr, unsigned long idx, const void *userp) -+{ -+ if (copy_from_user(ptr, userp + (idx * sizeof(void *)), sizeof(void *))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_gr_arg_wrapper_normal(const char __user *buf, struct gr_arg_wrapper *uwrap) -+{ -+ if (copy_from_user(uwrap, buf, sizeof (struct gr_arg_wrapper))) -+ return -EFAULT; -+ -+ if ((uwrap->version != GRSECURITY_VERSION) || -+ (uwrap->size != sizeof(struct gr_arg))) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+static int copy_gr_arg_normal(const struct gr_arg __user *buf, struct gr_arg *arg) -+{ -+ if (copy_from_user(arg, buf, sizeof (struct gr_arg))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static size_t get_gr_arg_wrapper_size_normal(void) -+{ -+ return sizeof(struct gr_arg_wrapper); -+} -+ -+#ifdef CONFIG_COMPAT -+extern int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap); -+extern int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg); -+extern int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp); -+extern int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp); -+extern int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp); -+extern int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp); -+extern int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp); -+extern int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp); -+extern int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp); -+extern int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp); -+extern int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp); -+extern size_t get_gr_arg_wrapper_size_compat(void); -+ -+int (* copy_gr_arg_wrapper)(const char *buf, struct gr_arg_wrapper *uwrap) __read_only; -+int (* copy_gr_arg)(const struct gr_arg *buf, struct gr_arg *arg) __read_only; -+int (* copy_acl_object_label)(struct acl_object_label *obj, const struct acl_object_label *userp) __read_only; -+int (* copy_acl_subject_label)(struct acl_subject_label *subj, const struct acl_subject_label *userp) __read_only; -+int (* copy_acl_role_label)(struct acl_role_label *role, const struct acl_role_label *userp) __read_only; -+int (* copy_acl_ip_label)(struct acl_ip_label *ip, const struct acl_ip_label *userp) __read_only; -+int (* copy_pointer_from_array)(void *ptr, unsigned long idx, const void *userp) __read_only; -+int (* copy_sprole_pw)(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) __read_only; -+int (* copy_gr_hash_struct)(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) __read_only; -+int (* copy_role_transition)(struct role_transition *trans, const struct role_transition *userp) __read_only; -+int (* copy_role_allowed_ip)(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) __read_only; -+size_t (* get_gr_arg_wrapper_size)(void) __read_only; -+ -+#else -+#define copy_gr_arg_wrapper copy_gr_arg_wrapper_normal -+#define copy_gr_arg copy_gr_arg_normal -+#define copy_gr_hash_struct copy_gr_hash_struct_normal -+#define copy_acl_object_label copy_acl_object_label_normal -+#define copy_acl_subject_label copy_acl_subject_label_normal -+#define copy_acl_role_label copy_acl_role_label_normal -+#define copy_acl_ip_label copy_acl_ip_label_normal -+#define copy_pointer_from_array copy_pointer_from_array_normal -+#define copy_sprole_pw copy_sprole_pw_normal -+#define copy_role_transition copy_role_transition_normal -+#define copy_role_allowed_ip copy_role_allowed_ip_normal -+#define get_gr_arg_wrapper_size get_gr_arg_wrapper_size_normal -+#endif -+ -+static struct acl_subject_label * -+lookup_subject_map(const struct acl_subject_label *userp) -+{ -+ unsigned int index = gr_shash(userp, polstate->subj_map_set.s_size); -+ struct subject_map *match; -+ -+ match = polstate->subj_map_set.s_hash[index]; -+ -+ while (match && match->user != userp) -+ match = match->next; -+ -+ if (match != NULL) -+ return match->kernel; -+ else -+ return NULL; -+} -+ -+static void -+insert_subj_map_entry(struct subject_map *subjmap) -+{ -+ unsigned int index = gr_shash(subjmap->user, polstate->subj_map_set.s_size); -+ struct subject_map **curr; -+ -+ subjmap->prev = NULL; -+ -+ curr = &polstate->subj_map_set.s_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = subjmap; -+ -+ subjmap->next = *curr; -+ *curr = subjmap; -+ -+ return; -+} -+ -+static void -+__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid) -+{ -+ unsigned int index = -+ gr_rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), polstate->acl_role_set.r_size); -+ struct acl_role_label **curr; -+ struct acl_role_label *tmp, *tmp2; -+ -+ curr = &polstate->acl_role_set.r_hash[index]; -+ -+ /* simple case, slot is empty, just set it to our role */ -+ if (*curr == NULL) { -+ *curr = role; -+ } else { -+ /* example: -+ 1 -> 2 -> 3 (adding 2 -> 3 to here) -+ 2 -> 3 -+ */ -+ /* first check to see if we can already be reached via this slot */ -+ tmp = *curr; -+ while (tmp && tmp != role) -+ tmp = tmp->next; -+ if (tmp == role) { -+ /* we don't need to add ourselves to this slot's chain */ -+ return; -+ } -+ /* we need to add ourselves to this chain, two cases */ -+ if (role->next == NULL) { -+ /* simple case, append the current chain to our role */ -+ role->next = *curr; -+ *curr = role; -+ } else { -+ /* 1 -> 2 -> 3 -> 4 -+ 2 -> 3 -> 4 -+ 3 -> 4 (adding 1 -> 2 -> 3 -> 4 to here) -+ */ -+ /* trickier case: walk our role's chain until we find -+ the role for the start of the current slot's chain */ -+ tmp = role; -+ tmp2 = *curr; -+ while (tmp->next && tmp->next != tmp2) -+ tmp = tmp->next; -+ if (tmp->next == tmp2) { -+ /* from example above, we found 3, so just -+ replace this slot's chain with ours */ -+ *curr = role; -+ } else { -+ /* we didn't find a subset of our role's chain -+ in the current slot's chain, so append their -+ chain to ours, and set us as the first role in -+ the slot's chain -+ -+ we could fold this case with the case above, -+ but making it explicit for clarity -+ */ -+ tmp->next = tmp2; -+ *curr = role; -+ } -+ } -+ } -+ -+ return; -+} -+ -+static void -+insert_acl_role_label(struct acl_role_label *role) -+{ -+ int i; -+ -+ if (polstate->role_list == NULL) { -+ polstate->role_list = role; -+ role->prev = NULL; -+ } else { -+ role->prev = polstate->role_list; -+ polstate->role_list = role; -+ } -+ -+ /* used for hash chains */ -+ role->next = NULL; -+ -+ if (role->roletype & GR_ROLE_DOMAIN) { -+ for (i = 0; i < role->domain_child_num; i++) -+ __insert_acl_role_label(role, role->domain_children[i]); -+ } else -+ __insert_acl_role_label(role, role->uidgid); -+} -+ -+static int -+insert_name_entry(char *name, const u64 inode, const dev_t device, __u8 deleted) -+{ -+ struct name_entry **curr, *nentry; -+ struct inodev_entry *ientry; -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % polstate->name_set.n_size; -+ -+ curr = &polstate->name_set.n_hash[index]; -+ -+ while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len))) -+ curr = &((*curr)->next); -+ -+ if (*curr != NULL) -+ return 1; -+ -+ nentry = acl_alloc(sizeof (struct name_entry)); -+ if (nentry == NULL) -+ return 0; -+ ientry = acl_alloc(sizeof (struct inodev_entry)); -+ if (ientry == NULL) -+ return 0; -+ ientry->nentry = nentry; -+ -+ nentry->key = key; -+ nentry->name = name; -+ nentry->inode = inode; -+ nentry->device = device; -+ nentry->len = len; -+ nentry->deleted = deleted; -+ -+ nentry->prev = NULL; -+ curr = &polstate->name_set.n_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = nentry; -+ nentry->next = *curr; -+ *curr = nentry; -+ -+ /* insert us into the table searchable by inode/dev */ -+ __insert_inodev_entry(polstate, ientry); -+ -+ return 1; -+} -+ -+/* allocating chained hash tables, so optimal size is where lambda ~ 1 */ -+ -+static void * -+create_table(__u32 * len, int elementsize) -+{ -+ unsigned int table_sizes[] = { -+ 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381, -+ 32749, 65521, 131071, 262139, 524287, 1048573, 2097143, -+ 4194301, 8388593, 16777213, 33554393, 67108859 -+ }; -+ void *newtable = NULL; -+ unsigned int pwr = 0; -+ -+ while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) && -+ table_sizes[pwr] <= *len) -+ pwr++; -+ -+ if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize)) -+ return newtable; -+ -+ if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE) -+ newtable = -+ kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL); -+ else -+ newtable = vmalloc(table_sizes[pwr] * elementsize); -+ -+ *len = table_sizes[pwr]; -+ -+ return newtable; -+} -+ -+static int -+init_variables(const struct gr_arg *arg, bool reload) -+{ -+ struct task_struct *reaper = init_pid_ns.child_reaper; -+ unsigned int stacksize; -+ -+ polstate->subj_map_set.s_size = arg->role_db.num_subjects; -+ polstate->acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children; -+ polstate->name_set.n_size = arg->role_db.num_objects; -+ polstate->inodev_set.i_size = arg->role_db.num_objects; -+ -+ if (!polstate->subj_map_set.s_size || !polstate->acl_role_set.r_size || -+ !polstate->name_set.n_size || !polstate->inodev_set.i_size) -+ return 1; -+ -+ if (!reload) { -+ if (!gr_init_uidset()) -+ return 1; -+ } -+ -+ /* set up the stack that holds allocation info */ -+ -+ stacksize = arg->role_db.num_pointers + 5; -+ -+ if (!acl_alloc_stack_init(stacksize)) -+ return 1; -+ -+ if (!reload) { -+ /* grab reference for the real root dentry and vfsmount */ -+ get_fs_root(reaper->fs, &gr_real_root); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", gr_get_dev_from_dentry(gr_real_root.dentry), gr_get_ino_from_dentry(gr_real_root.dentry)); -+#endif -+ -+ fakefs_obj_rw = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL); -+ if (fakefs_obj_rw == NULL) -+ return 1; -+ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE; -+ -+ fakefs_obj_rwx = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL); -+ if (fakefs_obj_rwx == NULL) -+ return 1; -+ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC; -+ } -+ -+ polstate->subj_map_set.s_hash = -+ (struct subject_map **) create_table(&polstate->subj_map_set.s_size, sizeof(void *)); -+ polstate->acl_role_set.r_hash = -+ (struct acl_role_label **) create_table(&polstate->acl_role_set.r_size, sizeof(void *)); -+ polstate->name_set.n_hash = (struct name_entry **) create_table(&polstate->name_set.n_size, sizeof(void *)); -+ polstate->inodev_set.i_hash = -+ (struct inodev_entry **) create_table(&polstate->inodev_set.i_size, sizeof(void *)); -+ -+ if (!polstate->subj_map_set.s_hash || !polstate->acl_role_set.r_hash || -+ !polstate->name_set.n_hash || !polstate->inodev_set.i_hash) -+ return 1; -+ -+ memset(polstate->subj_map_set.s_hash, 0, -+ sizeof(struct subject_map *) * polstate->subj_map_set.s_size); -+ memset(polstate->acl_role_set.r_hash, 0, -+ sizeof (struct acl_role_label *) * polstate->acl_role_set.r_size); -+ memset(polstate->name_set.n_hash, 0, -+ sizeof (struct name_entry *) * polstate->name_set.n_size); -+ memset(polstate->inodev_set.i_hash, 0, -+ sizeof (struct inodev_entry *) * polstate->inodev_set.i_size); -+ -+ return 0; -+} -+ -+/* free information not needed after startup -+ currently contains user->kernel pointer mappings for subjects -+*/ -+ -+static void -+free_init_variables(void) -+{ -+ __u32 i; -+ -+ if (polstate->subj_map_set.s_hash) { -+ for (i = 0; i < polstate->subj_map_set.s_size; i++) { -+ if (polstate->subj_map_set.s_hash[i]) { -+ kfree(polstate->subj_map_set.s_hash[i]); -+ polstate->subj_map_set.s_hash[i] = NULL; -+ } -+ } -+ -+ if ((polstate->subj_map_set.s_size * sizeof (struct subject_map *)) <= -+ PAGE_SIZE) -+ kfree(polstate->subj_map_set.s_hash); -+ else -+ vfree(polstate->subj_map_set.s_hash); -+ } -+ -+ return; -+} -+ -+static void -+free_variables(bool reload) -+{ -+ struct acl_subject_label *s; -+ struct acl_role_label *r; -+ struct task_struct *task, *task2; -+ unsigned int x; -+ -+ if (!reload) { -+ gr_clear_learn_entries(); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(task2, task) { -+ task->acl_sp_role = 0; -+ task->acl_role_id = 0; -+ task->inherited = 0; -+ task->acl = NULL; -+ task->role = NULL; -+ } while_each_thread(task2, task); -+ read_unlock(&tasklist_lock); -+ -+ kfree(fakefs_obj_rw); -+ fakefs_obj_rw = NULL; -+ kfree(fakefs_obj_rwx); -+ fakefs_obj_rwx = NULL; -+ -+ /* release the reference to the real root dentry and vfsmount */ -+ path_put(&gr_real_root); -+ memset(&gr_real_root, 0, sizeof(gr_real_root)); -+ } -+ -+ /* free all object hash tables */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (r->subj_hash == NULL) -+ goto next_role; -+ FOR_EACH_SUBJECT_START(r, s, x) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_SUBJECT_END(s, x) -+ FOR_EACH_NESTED_SUBJECT_START(r, s) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_NESTED_SUBJECT_END(s) -+ if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE) -+ kfree(r->subj_hash); -+ else -+ vfree(r->subj_hash); -+ r->subj_hash = NULL; -+next_role: -+ FOR_EACH_ROLE_END(r) -+ -+ acl_free_all(); -+ -+ if (polstate->acl_role_set.r_hash) { -+ if ((polstate->acl_role_set.r_size * sizeof (struct acl_role_label *)) <= -+ PAGE_SIZE) -+ kfree(polstate->acl_role_set.r_hash); -+ else -+ vfree(polstate->acl_role_set.r_hash); -+ } -+ if (polstate->name_set.n_hash) { -+ if ((polstate->name_set.n_size * sizeof (struct name_entry *)) <= -+ PAGE_SIZE) -+ kfree(polstate->name_set.n_hash); -+ else -+ vfree(polstate->name_set.n_hash); -+ } -+ -+ if (polstate->inodev_set.i_hash) { -+ if ((polstate->inodev_set.i_size * sizeof (struct inodev_entry *)) <= -+ PAGE_SIZE) -+ kfree(polstate->inodev_set.i_hash); -+ else -+ vfree(polstate->inodev_set.i_hash); -+ } -+ -+ if (!reload) -+ gr_free_uidset(); -+ -+ memset(&polstate->name_set, 0, sizeof (struct name_db)); -+ memset(&polstate->inodev_set, 0, sizeof (struct inodev_db)); -+ memset(&polstate->acl_role_set, 0, sizeof (struct acl_role_db)); -+ memset(&polstate->subj_map_set, 0, sizeof (struct acl_subj_map_db)); -+ -+ polstate->default_role = NULL; -+ polstate->kernel_role = NULL; -+ polstate->role_list = NULL; -+ -+ return; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied); -+ -+static int alloc_and_copy_string(char **name, unsigned int maxlen) -+{ -+ unsigned int len = strnlen_user(*name, maxlen); -+ char *tmp; -+ -+ if (!len || len >= maxlen) -+ return -EINVAL; -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(tmp, *name, len)) -+ return -EFAULT; -+ -+ tmp[len-1] = '\0'; -+ *name = tmp; -+ -+ return 0; -+} -+ -+static int -+copy_user_glob(struct acl_object_label *obj) -+{ -+ struct acl_object_label *g_tmp, **guser; -+ int error; -+ -+ if (obj->globbed == NULL) -+ return 0; -+ -+ guser = &obj->globbed; -+ while (*guser) { -+ g_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label)); -+ if (g_tmp == NULL) -+ return -ENOMEM; -+ -+ if (copy_acl_object_label(g_tmp, *guser)) -+ return -EFAULT; -+ -+ error = alloc_and_copy_string(&g_tmp->filename, PATH_MAX); -+ if (error) -+ return error; -+ -+ *guser = g_tmp; -+ guser = &(g_tmp->next); -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj, -+ struct acl_role_label *role) -+{ -+ struct acl_object_label *o_tmp; -+ int ret; -+ -+ while (userp) { -+ if ((o_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_acl_object_label(o_tmp, userp)) -+ return -EFAULT; -+ -+ userp = o_tmp->prev; -+ -+ ret = alloc_and_copy_string(&o_tmp->filename, PATH_MAX); -+ if (ret) -+ return ret; -+ -+ insert_acl_obj_label(o_tmp, subj); -+ if (!insert_name_entry(o_tmp->filename, o_tmp->inode, -+ o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return -ENOMEM; -+ -+ ret = copy_user_glob(o_tmp); -+ if (ret) -+ return ret; -+ -+ if (o_tmp->nested) { -+ int already_copied; -+ -+ o_tmp->nested = do_copy_user_subj(o_tmp->nested, role, &already_copied); -+ if (IS_ERR(o_tmp->nested)) -+ return PTR_ERR(o_tmp->nested); -+ -+ /* insert into nested subject list if we haven't copied this one yet -+ to prevent duplicate entries */ -+ if (!already_copied) { -+ o_tmp->nested->next = role->hash->first; -+ role->hash->first = o_tmp->nested; -+ } -+ } -+ } -+ -+ return 0; -+} -+ -+static __u32 -+count_user_subjs(struct acl_subject_label *userp) -+{ -+ struct acl_subject_label s_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_acl_subject_label(&s_tmp, userp)) -+ break; -+ -+ userp = s_tmp.prev; -+ } -+ -+ return num; -+} -+ -+static int -+copy_user_allowedips(struct acl_role_label *rolep) -+{ -+ struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast; -+ -+ ruserip = rolep->allowed_ips; -+ -+ while (ruserip) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_allowed_ip *) -+ acl_alloc(sizeof (struct role_allowed_ip))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_role_allowed_ip(rtmp, ruserip)) -+ return -EFAULT; -+ -+ ruserip = rtmp->prev; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->allowed_ips = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!ruserip) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_transitions(struct acl_role_label *rolep) -+{ -+ struct role_transition *rusertp, *rtmp = NULL, *rlast; -+ int error; -+ -+ rusertp = rolep->transitions; -+ -+ while (rusertp) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_transition *) -+ acl_alloc(sizeof (struct role_transition))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_role_transition(rtmp, rusertp)) -+ return -EFAULT; -+ -+ rusertp = rtmp->prev; -+ -+ error = alloc_and_copy_string(&rtmp->rolename, GR_SPROLE_LEN); -+ if (error) -+ return error; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->transitions = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!rusertp) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static __u32 count_user_objs(const struct acl_object_label __user *userp) -+{ -+ struct acl_object_label o_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_acl_object_label(&o_tmp, userp)) -+ break; -+ -+ userp = o_tmp.prev; -+ num++; -+ } -+ -+ return num; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied) -+{ -+ struct acl_subject_label *s_tmp = NULL, *s_tmp2; -+ __u32 num_objs; -+ struct acl_ip_label **i_tmp, *i_utmp2; -+ struct gr_hash_struct ghash; -+ struct subject_map *subjmap; -+ unsigned int i_num; -+ int err; -+ -+ if (already_copied != NULL) -+ *already_copied = 0; -+ -+ s_tmp = lookup_subject_map(userp); -+ -+ /* we've already copied this subject into the kernel, just return -+ the reference to it, and don't copy it over again -+ */ -+ if (s_tmp) { -+ if (already_copied != NULL) -+ *already_copied = 1; -+ return(s_tmp); -+ } -+ -+ if ((s_tmp = (struct acl_subject_label *) -+ acl_alloc(sizeof (struct acl_subject_label))) == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL); -+ if (subjmap == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap->user = userp; -+ subjmap->kernel = s_tmp; -+ insert_subj_map_entry(subjmap); -+ -+ if (copy_acl_subject_label(s_tmp, userp)) -+ return ERR_PTR(-EFAULT); -+ -+ err = alloc_and_copy_string(&s_tmp->filename, PATH_MAX); -+ if (err) -+ return ERR_PTR(err); -+ -+ if (!strcmp(s_tmp->filename, "/")) -+ role->root_label = s_tmp; -+ -+ if (copy_gr_hash_struct(&ghash, s_tmp->hash)) -+ return ERR_PTR(-EFAULT); -+ -+ /* copy user and group transition tables */ -+ -+ if (s_tmp->user_trans_num) { -+ uid_t *uidlist; -+ -+ uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t)); -+ if (uidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->user_transitions = uidlist; -+ } -+ -+ if (s_tmp->group_trans_num) { -+ gid_t *gidlist; -+ -+ gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t)); -+ if (gidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->group_transitions = gidlist; -+ } -+ -+ /* set up object hash table */ -+ num_objs = count_user_objs(ghash.first); -+ -+ s_tmp->obj_hash_size = num_objs; -+ s_tmp->obj_hash = -+ (struct acl_object_label **) -+ create_table(&(s_tmp->obj_hash_size), sizeof(void *)); -+ -+ if (!s_tmp->obj_hash) -+ return ERR_PTR(-ENOMEM); -+ -+ memset(s_tmp->obj_hash, 0, -+ s_tmp->obj_hash_size * -+ sizeof (struct acl_object_label *)); -+ -+ /* add in objects */ -+ err = copy_user_objs(ghash.first, s_tmp, role); -+ -+ if (err) -+ return ERR_PTR(err); -+ -+ /* set pointer for parent subject */ -+ if (s_tmp->parent_subject) { -+ s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role, NULL); -+ -+ if (IS_ERR(s_tmp2)) -+ return s_tmp2; -+ -+ s_tmp->parent_subject = s_tmp2; -+ } -+ -+ /* add in ip acls */ -+ -+ if (!s_tmp->ip_num) { -+ s_tmp->ips = NULL; -+ goto insert; -+ } -+ -+ i_tmp = -+ (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num, -+ sizeof (struct acl_ip_label *)); -+ -+ if (!i_tmp) -+ return ERR_PTR(-ENOMEM); -+ -+ for (i_num = 0; i_num < s_tmp->ip_num; i_num++) { -+ *(i_tmp + i_num) = -+ (struct acl_ip_label *) -+ acl_alloc(sizeof (struct acl_ip_label)); -+ if (!*(i_tmp + i_num)) -+ return ERR_PTR(-ENOMEM); -+ -+ if (copy_pointer_from_array(&i_utmp2, i_num, s_tmp->ips)) -+ return ERR_PTR(-EFAULT); -+ -+ if (copy_acl_ip_label(*(i_tmp + i_num), i_utmp2)) -+ return ERR_PTR(-EFAULT); -+ -+ if ((*(i_tmp + i_num))->iface == NULL) -+ continue; -+ -+ err = alloc_and_copy_string(&(*(i_tmp + i_num))->iface, IFNAMSIZ); -+ if (err) -+ return ERR_PTR(err); -+ } -+ -+ s_tmp->ips = i_tmp; -+ -+insert: -+ if (!insert_name_entry(s_tmp->filename, s_tmp->inode, -+ s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return ERR_PTR(-ENOMEM); -+ -+ return s_tmp; -+} -+ -+static int -+copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role) -+{ -+ struct acl_subject_label s_pre; -+ struct acl_subject_label * ret; -+ int err; -+ -+ while (userp) { -+ if (copy_acl_subject_label(&s_pre, userp)) -+ return -EFAULT; -+ -+ ret = do_copy_user_subj(userp, role, NULL); -+ -+ err = PTR_ERR(ret); -+ if (IS_ERR(ret)) -+ return err; -+ -+ insert_acl_subj_label(ret, role); -+ -+ userp = s_pre.prev; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_acl(struct gr_arg *arg) -+{ -+ struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2; -+ struct acl_subject_label *subj_list; -+ struct sprole_pw *sptmp; -+ struct gr_hash_struct *ghash; -+ uid_t *domainlist; -+ unsigned int r_num; -+ int err = 0; -+ __u16 i; -+ __u32 num_subjs; -+ -+ /* we need a default and kernel role */ -+ if (arg->role_db.num_roles < 2) -+ return -EINVAL; -+ -+ /* copy special role authentication info from userspace */ -+ -+ polstate->num_sprole_pws = arg->num_sprole_pws; -+ polstate->acl_special_roles = (struct sprole_pw **) acl_alloc_num(polstate->num_sprole_pws, sizeof(struct sprole_pw *)); -+ -+ if (!polstate->acl_special_roles && polstate->num_sprole_pws) -+ return -ENOMEM; -+ -+ for (i = 0; i < polstate->num_sprole_pws; i++) { -+ sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw)); -+ if (!sptmp) -+ return -ENOMEM; -+ if (copy_sprole_pw(sptmp, i, arg->sprole_pws)) -+ return -EFAULT; -+ -+ err = alloc_and_copy_string((char **)&sptmp->rolename, GR_SPROLE_LEN); -+ if (err) -+ return err; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Copying special role %s\n", sptmp->rolename); -+#endif -+ -+ polstate->acl_special_roles[i] = sptmp; -+ } -+ -+ r_utmp = (struct acl_role_label **) arg->role_db.r_table; -+ -+ for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) { -+ r_tmp = acl_alloc(sizeof (struct acl_role_label)); -+ -+ if (!r_tmp) -+ return -ENOMEM; -+ -+ if (copy_pointer_from_array(&r_utmp2, r_num, r_utmp)) -+ return -EFAULT; -+ -+ if (copy_acl_role_label(r_tmp, r_utmp2)) -+ return -EFAULT; -+ -+ err = alloc_and_copy_string(&r_tmp->rolename, GR_SPROLE_LEN); -+ if (err) -+ return err; -+ -+ if (!strcmp(r_tmp->rolename, "default") -+ && (r_tmp->roletype & GR_ROLE_DEFAULT)) { -+ polstate->default_role = r_tmp; -+ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) { -+ polstate->kernel_role = r_tmp; -+ } -+ -+ if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_gr_hash_struct(ghash, r_tmp->hash)) -+ return -EFAULT; -+ -+ r_tmp->hash = ghash; -+ -+ num_subjs = count_user_subjs(r_tmp->hash->first); -+ -+ r_tmp->subj_hash_size = num_subjs; -+ r_tmp->subj_hash = -+ (struct acl_subject_label **) -+ create_table(&(r_tmp->subj_hash_size), sizeof(void *)); -+ -+ if (!r_tmp->subj_hash) -+ return -ENOMEM; -+ -+ err = copy_user_allowedips(r_tmp); -+ if (err) -+ return err; -+ -+ /* copy domain info */ -+ if (r_tmp->domain_children != NULL) { -+ domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t)); -+ if (domainlist == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t))) -+ return -EFAULT; -+ -+ r_tmp->domain_children = domainlist; -+ } -+ -+ err = copy_user_transitions(r_tmp); -+ if (err) -+ return err; -+ -+ memset(r_tmp->subj_hash, 0, -+ r_tmp->subj_hash_size * -+ sizeof (struct acl_subject_label *)); -+ -+ /* acquire the list of subjects, then NULL out -+ the list prior to parsing the subjects for this role, -+ as during this parsing the list is replaced with a list -+ of *nested* subjects for the role -+ */ -+ subj_list = r_tmp->hash->first; -+ -+ /* set nested subject list to null */ -+ r_tmp->hash->first = NULL; -+ -+ err = copy_user_subjs(subj_list, r_tmp); -+ -+ if (err) -+ return err; -+ -+ insert_acl_role_label(r_tmp); -+ } -+ -+ if (polstate->default_role == NULL || polstate->kernel_role == NULL) -+ return -EINVAL; -+ -+ return err; -+} -+ -+static int gracl_reload_apply_policies(void *reload) -+{ -+ struct gr_reload_state *reload_state = (struct gr_reload_state *)reload; -+ struct task_struct *task, *task2; -+ struct acl_role_label *role, *rtmp; -+ struct acl_subject_label *subj; -+ const struct cred *cred; -+ int role_applied; -+ int ret = 0; -+ -+ memcpy(&reload_state->oldpolicy, reload_state->oldpolicy_ptr, sizeof(struct gr_policy_state)); -+ memcpy(&reload_state->oldalloc, reload_state->oldalloc_ptr, sizeof(struct gr_alloc_state)); -+ -+ /* first make sure we'll be able to apply the new policy cleanly */ -+ do_each_thread(task2, task) { -+ if (task->exec_file == NULL) -+ continue; -+ role_applied = 0; -+ if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) { -+ /* preserve special roles */ -+ FOR_EACH_ROLE_START(role) -+ if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) { -+ rtmp = task->role; -+ task->role = role; -+ role_applied = 1; -+ break; -+ } -+ FOR_EACH_ROLE_END(role) -+ } -+ if (!role_applied) { -+ cred = __task_cred(task); -+ rtmp = task->role; -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ } -+ /* this handles non-nested inherited subjects, nested subjects will still -+ be dropped currently */ -+ subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1); -+ task->tmpacl = __gr_get_subject_for_task(polstate, task, NULL, 1); -+ /* change the role back so that we've made no modifications to the policy */ -+ task->role = rtmp; -+ -+ if (subj == NULL || task->tmpacl == NULL) { -+ ret = -EINVAL; -+ goto out; -+ } -+ } while_each_thread(task2, task); -+ -+ /* now actually apply the policy */ -+ -+ do_each_thread(task2, task) { -+ if (task->exec_file) { -+ role_applied = 0; -+ if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) { -+ /* preserve special roles */ -+ FOR_EACH_ROLE_START(role) -+ if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) { -+ task->role = role; -+ role_applied = 1; -+ break; -+ } -+ FOR_EACH_ROLE_END(role) -+ } -+ if (!role_applied) { -+ cred = __task_cred(task); -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ } -+ /* this handles non-nested inherited subjects, nested subjects will still -+ be dropped currently */ -+ if (!reload_state->oldmode && task->inherited) -+ subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1); -+ else { -+ /* looked up and tagged to the task previously */ -+ subj = task->tmpacl; -+ } -+ /* subj will be non-null */ -+ __gr_apply_subject_to_task(polstate, task, subj); -+ if (reload_state->oldmode) { -+ task->acl_role_id = 0; -+ task->acl_sp_role = 0; -+ task->inherited = 0; -+ } -+ } else { -+ // it's a kernel process -+ task->role = polstate->kernel_role; -+ task->acl = polstate->kernel_role->root_label; -+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN -+ task->acl->mode &= ~GR_PROCFIND; -+#endif -+ } -+ } while_each_thread(task2, task); -+ -+ memcpy(reload_state->oldpolicy_ptr, &reload_state->newpolicy, sizeof(struct gr_policy_state)); -+ memcpy(reload_state->oldalloc_ptr, &reload_state->newalloc, sizeof(struct gr_alloc_state)); -+ -+out: -+ -+ return ret; -+} -+ -+static int gracl_reload(struct gr_arg *args, unsigned char oldmode) -+{ -+ struct gr_reload_state new_reload_state = { }; -+ int err; -+ -+ new_reload_state.oldpolicy_ptr = polstate; -+ new_reload_state.oldalloc_ptr = current_alloc_state; -+ new_reload_state.oldmode = oldmode; -+ -+ current_alloc_state = &new_reload_state.newalloc; -+ polstate = &new_reload_state.newpolicy; -+ -+ /* everything relevant is now saved off, copy in the new policy */ -+ if (init_variables(args, true)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ err = -ENOMEM; -+ goto error; -+ } -+ -+ err = copy_user_acl(args); -+ free_init_variables(); -+ if (err) -+ goto error; -+ /* the new policy is copied in, with the old policy available via saved_state -+ first go through applying roles, making sure to preserve special roles -+ then apply new subjects, making sure to preserve inherited and nested subjects, -+ though currently only inherited subjects will be preserved -+ */ -+ err = stop_machine(gracl_reload_apply_policies, &new_reload_state, NULL); -+ if (err) -+ goto error; -+ -+ /* we've now applied the new policy, so restore the old policy state to free it */ -+ polstate = &new_reload_state.oldpolicy; -+ current_alloc_state = &new_reload_state.oldalloc; -+ free_variables(true); -+ -+ /* oldpolicy/oldalloc_ptr point to the new policy/alloc states as they were copied -+ to running_polstate/current_alloc_state inside stop_machine -+ */ -+ err = 0; -+ goto out; -+error: -+ /* on error of loading the new policy, we'll just keep the previous -+ policy set around -+ */ -+ free_variables(true); -+ -+ /* doesn't affect runtime, but maintains consistent state */ -+out: -+ polstate = new_reload_state.oldpolicy_ptr; -+ current_alloc_state = new_reload_state.oldalloc_ptr; -+ -+ return err; -+} -+ -+static int -+gracl_init(struct gr_arg *args) -+{ -+ int error = 0; -+ -+ memcpy(gr_system_salt, args->salt, GR_SALT_LEN); -+ memcpy(gr_system_sum, args->sum, GR_SHA_LEN); -+ -+ if (init_variables(args, false)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ error = -ENOMEM; -+ goto out; -+ } -+ -+ error = copy_user_acl(args); -+ free_init_variables(); -+ if (error) -+ goto out; -+ -+ error = gr_set_acls(0); -+ if (error) -+ goto out; -+ -+ gr_enable_rbac_system(); -+ -+ return 0; -+ -+out: -+ free_variables(false); -+ return error; -+} -+ -+static int -+lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt, -+ unsigned char **sum) -+{ -+ struct acl_role_label *r; -+ struct role_allowed_ip *ipp; -+ struct role_transition *trans; -+ unsigned int i; -+ int found = 0; -+ u32 curr_ip = current->signal->curr_ip; -+ -+ current->signal->saved_ip = curr_ip; -+ -+ /* check transition table */ -+ -+ for (trans = current->role->transitions; trans; trans = trans->next) { -+ if (!strcmp(rolename, trans->rolename)) { -+ found = 1; -+ break; -+ } -+ } -+ -+ if (!found) -+ return 0; -+ -+ /* handle special roles that do not require authentication -+ and check ip */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ found = 0; -+ if (r->allowed_ips != NULL) { -+ for (ipp = r->allowed_ips; ipp; ipp = ipp->next) { -+ if ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask)) -+ found = 1; -+ } -+ } else -+ found = 2; -+ if (!found) -+ return 0; -+ -+ if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) || -+ ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) { -+ *salt = NULL; -+ *sum = NULL; -+ return 1; -+ } -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ for (i = 0; i < polstate->num_sprole_pws; i++) { -+ if (!strcmp(rolename, polstate->acl_special_roles[i]->rolename)) { -+ *salt = polstate->acl_special_roles[i]->salt; -+ *sum = polstate->acl_special_roles[i]->sum; -+ return 1; -+ } -+ } -+ -+ return 0; -+} -+ -+int gr_check_secure_terminal(struct task_struct *task) -+{ -+ struct task_struct *p, *p2, *p3; -+ struct files_struct *files; -+ struct fdtable *fdt; -+ struct file *our_file = NULL, *file; -+ struct inode *our_inode = NULL; -+ int i; -+ -+ if (task->signal->tty == NULL) -+ return 1; -+ -+ files = get_files_struct(task); -+ if (files != NULL) { -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ file = fcheck_files(files, i); -+ if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) { -+ get_file(file); -+ our_file = file; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } -+ -+ if (our_file == NULL) -+ return 1; -+ -+ our_inode = d_backing_inode(our_file->f_path.dentry); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ files = get_files_struct(p); -+ if (files == NULL || -+ (p->signal && p->signal->tty == task->signal->tty)) { -+ if (files != NULL) -+ put_files_struct(files); -+ continue; -+ } -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ struct inode *inode = NULL; -+ file = fcheck_files(files, i); -+ if (file) -+ inode = d_backing_inode(file->f_path.dentry); -+ if (inode && S_ISCHR(inode->i_mode) && inode->i_rdev == our_inode->i_rdev) { -+ p3 = task; -+ while (task_pid_nr(p3) > 0) { -+ if (p3 == p) -+ break; -+ p3 = p3->real_parent; -+ } -+ if (p3 == p) -+ break; -+ gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p); -+ gr_handle_alertkill(p); -+ rcu_read_unlock(); -+ put_files_struct(files); -+ read_unlock(&tasklist_lock); -+ fput(our_file); -+ return 0; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ -+ fput(our_file); -+ return 1; -+} -+ -+ssize_t -+write_grsec_handler(struct file *file, const char __user * buf, size_t count, loff_t *ppos) -+{ -+ struct gr_arg_wrapper uwrap; -+ unsigned char *sprole_salt = NULL; -+ unsigned char *sprole_sum = NULL; -+ int error = 0; -+ int error2 = 0; -+ size_t req_count = 0; -+ unsigned char oldmode = 0; -+ -+ mutex_lock(&gr_dev_mutex); -+ -+ if (gr_acl_is_enabled() && !(current->acl->mode & GR_KERNELAUTH)) { -+ error = -EPERM; -+ goto out; -+ } -+ -+#ifdef CONFIG_COMPAT -+ pax_open_kernel(); -+ if (is_compat_task()) { -+ copy_gr_arg_wrapper = &copy_gr_arg_wrapper_compat; -+ copy_gr_arg = &copy_gr_arg_compat; -+ copy_acl_object_label = &copy_acl_object_label_compat; -+ copy_acl_subject_label = &copy_acl_subject_label_compat; -+ copy_acl_role_label = &copy_acl_role_label_compat; -+ copy_acl_ip_label = &copy_acl_ip_label_compat; -+ copy_role_allowed_ip = &copy_role_allowed_ip_compat; -+ copy_role_transition = &copy_role_transition_compat; -+ copy_sprole_pw = &copy_sprole_pw_compat; -+ copy_gr_hash_struct = &copy_gr_hash_struct_compat; -+ copy_pointer_from_array = &copy_pointer_from_array_compat; -+ get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_compat; -+ } else { -+ copy_gr_arg_wrapper = &copy_gr_arg_wrapper_normal; -+ copy_gr_arg = &copy_gr_arg_normal; -+ copy_acl_object_label = &copy_acl_object_label_normal; -+ copy_acl_subject_label = &copy_acl_subject_label_normal; -+ copy_acl_role_label = &copy_acl_role_label_normal; -+ copy_acl_ip_label = &copy_acl_ip_label_normal; -+ copy_role_allowed_ip = &copy_role_allowed_ip_normal; -+ copy_role_transition = &copy_role_transition_normal; -+ copy_sprole_pw = &copy_sprole_pw_normal; -+ copy_gr_hash_struct = &copy_gr_hash_struct_normal; -+ copy_pointer_from_array = &copy_pointer_from_array_normal; -+ get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_normal; -+ } -+ pax_close_kernel(); -+#endif -+ -+ req_count = get_gr_arg_wrapper_size(); -+ -+ if (count != req_count) { -+ gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)req_count); -+ error = -EINVAL; -+ goto out; -+ } -+ -+ -+ if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) { -+ gr_auth_expires = 0; -+ gr_auth_attempts = 0; -+ } -+ -+ error = copy_gr_arg_wrapper(buf, &uwrap); -+ if (error) -+ goto out; -+ -+ error = copy_gr_arg(uwrap.arg, gr_usermode); -+ if (error) -+ goto out; -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(gr_auth_expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ /* if non-root trying to do anything other than use a special role, -+ do not attempt authentication, do not count towards authentication -+ locking -+ */ -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS && -+ gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ gr_is_global_nonroot(current_uid())) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ /* ensure pw and special role name are null terminated */ -+ -+ gr_usermode->pw[GR_PW_LEN - 1] = '\0'; -+ gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0'; -+ -+ /* Okay. -+ * We have our enough of the argument structure..(we have yet -+ * to copy_from_user the tables themselves) . Copy the tables -+ * only if we need them, i.e. for loading operations. */ -+ -+ switch (gr_usermode->mode) { -+ case GR_STATUS: -+ if (gr_acl_is_enabled()) { -+ error = 1; -+ if (!gr_check_secure_terminal(current)) -+ error = 3; -+ } else -+ error = 2; -+ goto out; -+ case GR_SHUTDOWN: -+ if (gr_acl_is_enabled() && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ stop_machine(gr_rbac_disable, NULL, NULL); -+ free_variables(false); -+ memset(gr_usermode, 0, sizeof(struct gr_arg)); -+ memset(gr_system_salt, 0, GR_SALT_LEN); -+ memset(gr_system_sum, 0, GR_SHA_LEN); -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG); -+ } else if (gr_acl_is_enabled()) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG); -+ error = -EPERM; -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG); -+ error = -EAGAIN; -+ } -+ break; -+ case GR_ENABLE: -+ if (!gr_acl_is_enabled() && !(error2 = gracl_init(gr_usermode))) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION); -+ else { -+ if (gr_acl_is_enabled()) -+ error = -EAGAIN; -+ else -+ error = error2; -+ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION); -+ } -+ break; -+ case GR_OLDRELOAD: -+ oldmode = 1; -+ case GR_RELOAD: -+ if (!gr_acl_is_enabled()) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION); -+ error = -EAGAIN; -+ } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ error2 = gracl_reload(gr_usermode, oldmode); -+ if (!error2) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION); -+ else { -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ error = error2; -+ } -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ error = -EPERM; -+ } -+ break; -+ case GR_SEGVMOD: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG); -+ if (gr_usermode->segv_device && gr_usermode->segv_inode) { -+ struct acl_subject_label *segvacl; -+ segvacl = -+ lookup_acl_subj_label(gr_usermode->segv_inode, -+ gr_usermode->segv_device, -+ current->role); -+ if (segvacl) { -+ segvacl->crashes = 0; -+ segvacl->expires = 0; -+ } -+ } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) { -+ gr_remove_uid(gr_usermode->segv_uid); -+ } -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG); -+ error = -EPERM; -+ } -+ break; -+ case GR_SPROLE: -+ case GR_SPROLEPAM: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) { -+ current->role->expires = 0; -+ current->role->auth_attempts = 0; -+ } -+ -+ if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(current->role->expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ if (lookup_special_role_auth -+ (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum) -+ && ((!sprole_salt && !sprole_sum) -+ || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) { -+ char *p = ""; -+ assign_special_role(gr_usermode->sp_role); -+ read_lock(&tasklist_lock); -+ if (current->real_parent) -+ p = current->real_parent->role->rolename; -+ read_unlock(&tasklist_lock); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG, -+ p, acl_sp_role_value); -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role); -+ error = -EPERM; -+ if(!(current->role->auth_attempts++)) -+ current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ goto out; -+ } -+ break; -+ case GR_UNSPROLE: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->roletype & GR_ROLE_SPECIAL) { -+ char *p = ""; -+ int i = 0; -+ -+ read_lock(&tasklist_lock); -+ if (current->real_parent) { -+ p = current->real_parent->role->rolename; -+ i = current->real_parent->acl_role_id; -+ } -+ read_unlock(&tasklist_lock); -+ -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i); -+ gr_set_acls(1); -+ } else { -+ error = -EPERM; -+ goto out; -+ } -+ break; -+ default: -+ gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode); -+ error = -EINVAL; -+ break; -+ } -+ -+ if (error != -EPERM) -+ goto out; -+ -+ if(!(gr_auth_attempts++)) -+ gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ out: -+ mutex_unlock(&gr_dev_mutex); -+ -+ if (!error) -+ error = req_count; -+ -+ return error; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ struct task_struct *task, *task2; -+ struct acl_role_label *role = current->role; -+ struct acl_subject_label *subj; -+ __u16 acl_role_id = current->acl_role_id; -+ const struct cred *cred; -+ int ret; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ do_each_thread(task2, task) { -+ /* check to see if we're called from the exit handler, -+ if so, only replace ACLs that have inherited the admin -+ ACL */ -+ -+ if (type && (task->role != role || -+ task->acl_role_id != acl_role_id)) -+ continue; -+ -+ task->acl_role_id = 0; -+ task->acl_sp_role = 0; -+ task->inherited = 0; -+ -+ if (task->exec_file) { -+ cred = __task_cred(task); -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ subj = __gr_get_subject_for_task(polstate, task, NULL, 1); -+ if (subj == NULL) { -+ ret = -EINVAL; -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task_pid_nr(task)); -+ return ret; -+ } -+ __gr_apply_subject_to_task(polstate, task, subj); -+ } else { -+ // it's a kernel process -+ task->role = polstate->kernel_role; -+ task->acl = polstate->kernel_role->root_label; -+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN -+ task->acl->mode &= ~GR_PROCFIND; -+#endif -+ } -+ } while_each_thread(task2, task); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 0; -+} -diff --git a/grsecurity/gracl_res.c b/grsecurity/gracl_res.c -new file mode 100644 -index 0000000..39645c9 ---- /dev/null -+++ b/grsecurity/gracl_res.c -@@ -0,0 +1,68 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grinternal.h> -+ -+static const char *restab_log[] = { -+ [RLIMIT_CPU] = "RLIMIT_CPU", -+ [RLIMIT_FSIZE] = "RLIMIT_FSIZE", -+ [RLIMIT_DATA] = "RLIMIT_DATA", -+ [RLIMIT_STACK] = "RLIMIT_STACK", -+ [RLIMIT_CORE] = "RLIMIT_CORE", -+ [RLIMIT_RSS] = "RLIMIT_RSS", -+ [RLIMIT_NPROC] = "RLIMIT_NPROC", -+ [RLIMIT_NOFILE] = "RLIMIT_NOFILE", -+ [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK", -+ [RLIMIT_AS] = "RLIMIT_AS", -+ [RLIMIT_LOCKS] = "RLIMIT_LOCKS", -+ [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING", -+ [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE", -+ [RLIMIT_NICE] = "RLIMIT_NICE", -+ [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO", -+ [RLIMIT_RTTIME] = "RLIMIT_RTTIME", -+ [GR_CRASH_RES] = "RLIMIT_CRASH" -+}; -+ -+void -+gr_log_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ const struct cred *cred; -+ unsigned long rlim; -+ -+ if (!gr_acl_is_enabled() && !grsec_resource_logging) -+ return; -+ -+ // not yet supported resource -+ if (unlikely(!restab_log[res])) -+ return; -+ -+ if (res == RLIMIT_CPU || res == RLIMIT_RTTIME) -+ rlim = task_rlimit_max(task, res); -+ else -+ rlim = task_rlimit(task, res); -+ -+ if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim))) -+ return; -+ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ -+ if (res == RLIMIT_NPROC && -+ (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) || -+ cap_raised(cred->cap_effective, CAP_SYS_RESOURCE))) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_MEMLOCK && -+ cap_raised(cred->cap_effective, CAP_IPC_LOCK)) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE)) -+ goto out_rcu_unlock; -+ rcu_read_unlock(); -+ -+ gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim); -+ -+ return; -+out_rcu_unlock: -+ rcu_read_unlock(); -+ return; -+} -diff --git a/grsecurity/gracl_segv.c b/grsecurity/gracl_segv.c -new file mode 100644 -index 0000000..21646aa ---- /dev/null -+++ b/grsecurity/gracl_segv.c -@@ -0,0 +1,304 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/timer.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+#include <linux/magic.h> -+#include <linux/pagemap.h> -+#include "../fs/btrfs/async-thread.h" -+#include "../fs/btrfs/ctree.h" -+#include "../fs/btrfs/btrfs_inode.h" -+#endif -+ -+static struct crash_uid *uid_set; -+static unsigned short uid_used; -+static DEFINE_SPINLOCK(gr_uid_lock); -+extern rwlock_t gr_inode_lock; -+extern struct acl_subject_label * -+ lookup_acl_subj_label(const u64 inode, const dev_t dev, -+ struct acl_role_label *role); -+ -+int -+gr_init_uidset(void) -+{ -+ uid_set = -+ kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL); -+ uid_used = 0; -+ -+ return uid_set ? 1 : 0; -+} -+ -+void -+gr_free_uidset(void) -+{ -+ if (uid_set) { -+ struct crash_uid *tmpset; -+ spin_lock(&gr_uid_lock); -+ tmpset = uid_set; -+ uid_set = NULL; -+ uid_used = 0; -+ spin_unlock(&gr_uid_lock); -+ if (tmpset) -+ kfree(tmpset); -+ } -+ -+ return; -+} -+ -+int -+gr_find_uid(const uid_t uid) -+{ -+ struct crash_uid *tmp = uid_set; -+ uid_t buid; -+ int low = 0, high = uid_used - 1, mid; -+ -+ while (high >= low) { -+ mid = (low + high) >> 1; -+ buid = tmp[mid].uid; -+ if (buid == uid) -+ return mid; -+ if (buid > uid) -+ high = mid - 1; -+ if (buid < uid) -+ low = mid + 1; -+ } -+ -+ return -1; -+} -+ -+static void -+gr_insertsort(void) -+{ -+ unsigned short i, j; -+ struct crash_uid index; -+ -+ for (i = 1; i < uid_used; i++) { -+ index = uid_set[i]; -+ j = i; -+ while ((j > 0) && uid_set[j - 1].uid > index.uid) { -+ uid_set[j] = uid_set[j - 1]; -+ j--; -+ } -+ uid_set[j] = index; -+ } -+ -+ return; -+} -+ -+static void -+gr_insert_uid(const kuid_t kuid, const unsigned long expires) -+{ -+ int loc; -+ uid_t uid = GR_GLOBAL_UID(kuid); -+ -+ if (uid_used == GR_UIDTABLE_MAX) -+ return; -+ -+ loc = gr_find_uid(uid); -+ -+ if (loc >= 0) { -+ uid_set[loc].expires = expires; -+ return; -+ } -+ -+ uid_set[uid_used].uid = uid; -+ uid_set[uid_used].expires = expires; -+ uid_used++; -+ -+ gr_insertsort(); -+ -+ return; -+} -+ -+void -+gr_remove_uid(const unsigned short loc) -+{ -+ unsigned short i; -+ -+ for (i = loc + 1; i < uid_used; i++) -+ uid_set[i - 1] = uid_set[i]; -+ -+ uid_used--; -+ -+ return; -+} -+ -+int -+gr_check_crash_uid(const kuid_t kuid) -+{ -+ int loc; -+ int ret = 0; -+ uid_t uid; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ uid = GR_GLOBAL_UID(kuid); -+ -+ spin_lock(&gr_uid_lock); -+ loc = gr_find_uid(uid); -+ -+ if (loc < 0) -+ goto out_unlock; -+ -+ if (time_before_eq(uid_set[loc].expires, get_seconds())) -+ gr_remove_uid(loc); -+ else -+ ret = 1; -+ -+out_unlock: -+ spin_unlock(&gr_uid_lock); -+ return ret; -+} -+ -+static int -+proc_is_setxid(const struct cred *cred) -+{ -+ if (!uid_eq(cred->uid, cred->euid) || !uid_eq(cred->uid, cred->suid) || -+ !uid_eq(cred->uid, cred->fsuid)) -+ return 1; -+ if (!gid_eq(cred->gid, cred->egid) || !gid_eq(cred->gid, cred->sgid) || -+ !gid_eq(cred->gid, cred->fsgid)) -+ return 1; -+ -+ return 0; -+} -+ -+extern int gr_fake_force_sig(int sig, struct task_struct *t); -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ struct acl_subject_label *curr; -+ struct task_struct *tsk, *tsk2; -+ const struct cred *cred; -+ const struct cred *cred2; -+ -+ if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL) -+ return; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curr = task->acl; -+ -+ if (!(curr->resmask & (1U << GR_CRASH_RES))) -+ return; -+ -+ if (time_before_eq(curr->expires, get_seconds())) { -+ curr->expires = 0; -+ curr->crashes = 0; -+ } -+ -+ curr->crashes++; -+ -+ if (!curr->expires) -+ curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) { -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ if (gr_is_global_nonroot(cred->uid) && proc_is_setxid(cred)) { -+ gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ spin_lock(&gr_uid_lock); -+ gr_insert_uid(cred->uid, curr->expires); -+ spin_unlock(&gr_uid_lock); -+ curr->expires = 0; -+ curr->crashes = 0; -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != task && uid_eq(cred2->uid, cred->uid)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } else { -+ gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ do_each_thread(tsk2, tsk) { -+ if (likely(tsk != task)) { -+ // if this thread has the same subject as the one that triggered -+ // RES_CRASH and it's the same binary, kill it -+ if (tsk->acl == task->acl && gr_is_same_file(tsk->exec_file, task->exec_file)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ } -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ struct acl_subject_label *curr; -+ struct dentry *dentry; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ read_lock(&gr_inode_lock); -+ dentry = filp->f_path.dentry; -+ curr = lookup_acl_subj_label(gr_get_ino_from_dentry(dentry), gr_get_dev_from_dentry(dentry), -+ current->role); -+ read_unlock(&gr_inode_lock); -+ -+ if (!curr || !(curr->resmask & (1U << GR_CRASH_RES)) || -+ (!curr->crashes && !curr->expires)) -+ return 0; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) -+ return 1; -+ else if (time_before_eq(curr->expires, get_seconds())) { -+ curr->crashes = 0; -+ curr->expires = 0; -+ } -+ -+ return 0; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ struct acl_subject_label *curracl; -+ __u32 curr_ip; -+ struct task_struct *p, *p2; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curracl = task->acl; -+ curr_ip = task->signal->curr_ip; -+ -+ if ((curracl->mode & GR_KILLIPPROC) && curr_ip) { -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ if (p->signal->curr_ip == curr_ip) -+ gr_fake_force_sig(SIGKILL, p); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ } else if (curracl->mode & GR_KILLPROC) -+ gr_fake_force_sig(SIGKILL, task); -+ -+ return; -+} -diff --git a/grsecurity/gracl_shm.c b/grsecurity/gracl_shm.c -new file mode 100644 -index 0000000..6b0c9cc ---- /dev/null -+++ b/grsecurity/gracl_shm.c -@@ -0,0 +1,40 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/ipc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, const int shmid) -+{ -+ struct task_struct *task; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ task = find_task_by_vpid(shm_cprid); -+ -+ if (unlikely(!task)) -+ task = find_task_by_vpid(shm_lapid); -+ -+ if (unlikely(task && (time_before_eq64(task->start_time, shm_createtime) || -+ (task_pid_nr(task) == shm_lapid)) && -+ (task->acl->mode & GR_PROTSHM) && -+ (task->acl != current->acl))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, GR_GLOBAL_UID(cuid), shm_cprid, shmid); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 1; -+} -diff --git a/grsecurity/grsec_chdir.c b/grsecurity/grsec_chdir.c -new file mode 100644 -index 0000000..bc0be01 ---- /dev/null -+++ b/grsecurity/grsec_chdir.c -@@ -0,0 +1,19 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ if ((grsec_enable_chdir && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) || (grsec_enable_chdir && -+ !grsec_enable_group)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt); -+ } -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_chroot.c b/grsecurity/grsec_chroot.c -new file mode 100644 -index 0000000..652ab45 ---- /dev/null -+++ b/grsecurity/grsec_chroot.c -@@ -0,0 +1,467 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/mount.h> -+#include <linux/types.h> -+#include "../fs/mount.h" -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+int gr_init_ran; -+#endif -+ -+void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *tmpd = dentry; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ while (tmpd != mnt->mnt_root) { -+ atomic_inc(&tmpd->chroot_refcnt); -+ tmpd = tmpd->d_parent; -+ } -+ atomic_inc(&tmpd->chroot_refcnt); -+ -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+#endif -+} -+ -+void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *tmpd = dentry; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ while (tmpd != mnt->mnt_root) { -+ atomic_dec(&tmpd->chroot_refcnt); -+ tmpd = tmpd->d_parent; -+ } -+ atomic_dec(&tmpd->chroot_refcnt); -+ -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+#endif -+} -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+static struct dentry *get_closest_chroot(struct dentry *dentry) -+{ -+ write_seqlock(&rename_lock); -+ do { -+ if (atomic_read(&dentry->chroot_refcnt)) { -+ write_sequnlock(&rename_lock); -+ return dentry; -+ } -+ dentry = dentry->d_parent; -+ } while (!IS_ROOT(dentry)); -+ write_sequnlock(&rename_lock); -+ return NULL; -+} -+#endif -+ -+int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt, -+ struct dentry *newdentry, struct vfsmount *newmnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *chroot; -+ -+ if (unlikely(!grsec_enable_chroot_rename)) -+ return 0; -+ -+ if (likely(!proc_is_chrooted(current) && gr_is_global_root(current_uid()))) -+ return 0; -+ -+ chroot = get_closest_chroot(olddentry); -+ -+ if (chroot == NULL) -+ return 0; -+ -+ if (is_subdir(newdentry, chroot)) -+ return 0; -+ -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_RENAME_MSG, olddentry, oldmnt); -+ -+ return 1; -+#else -+ return 0; -+#endif -+} -+ -+void gr_set_chroot_entries(struct task_struct *task, const struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (task_pid_nr(task) > 1 && path->dentry != init_task.fs->root.dentry && -+ path->dentry != task->nsproxy->mnt_ns->root->mnt.mnt_root -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ && gr_init_ran -+#endif -+ ) -+ task->gr_is_chrooted = 1; -+ else { -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ if (task_pid_nr(task) == 1 && !gr_init_ran) -+ gr_init_ran = 1; -+#endif -+ task->gr_is_chrooted = 0; -+ } -+ -+ task->gr_chroot_dentry = path->dentry; -+#endif -+ return; -+} -+ -+void gr_clear_chroot_entries(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ task->gr_is_chrooted = 0; -+ task->gr_chroot_dentry = NULL; -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_unix(const pid_t pid) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ struct task_struct *p; -+ -+ if (unlikely(!grsec_enable_chroot_unix)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ p = find_task_by_vpid_unrestricted(pid); -+ if (unlikely(p && !have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+int -+gr_handle_chroot_nice(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_setpriority(struct task_struct *p, const int niceval) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && (niceval < task_nice(p)) -+ && proc_is_chrooted(current)) { -+ gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, task_pid_nr(p)); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_fowner(struct pid *pid, enum pid_type type) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ struct task_struct *p; -+ int ret = 0; -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if (!have_same_root(current, p)) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ return ret; -+#endif -+ return 0; -+} -+ -+int -+gr_pid_is_chrooted(struct task_struct *p) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL) -+ return 0; -+ -+ if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) || -+ !have_same_root(current, p)) { -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+EXPORT_SYMBOL_GPL(gr_pid_is_chrooted); -+ -+#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR) -+int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt) -+{ -+ struct path path, currentroot; -+ int ret = 0; -+ -+ path.dentry = (struct dentry *)u_dentry; -+ path.mnt = (struct vfsmount *)u_mnt; -+ get_fs_root(current->fs, &currentroot); -+ if (path_is_under(&path, &currentroot)) -+ ret = 1; -+ path_put(&currentroot); -+ -+ return ret; -+} -+#endif -+ -+int -+gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ if (!grsec_enable_chroot_fchdir) -+ return 1; -+ -+ if (!proc_is_chrooted(current)) -+ return 1; -+ else if (!gr_is_outside_chroot(u_dentry, u_mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt); -+ return 0; -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_fhandle(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ if (!grsec_enable_chroot_fchdir) -+ return 1; -+ -+ if (!proc_is_chrooted(current)) -+ return 1; -+ else { -+ gr_log_noargs(GR_DONT_AUDIT, GR_CHROOT_FHANDLE_MSG); -+ return 0; -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ struct task_struct *p; -+ -+ if (unlikely(!grsec_enable_chroot_shmat)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ if ((p = find_task_by_vpid_unrestricted(shm_cprid))) { -+ if (time_before_eq64(p->start_time, shm_createtime)) { -+ if (have_same_root(current, p)) { -+ goto allow; -+ } else { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ /* creator exited, pid reuse, fall through to next check */ -+ } -+ if ((p = find_task_by_vpid_unrestricted(shm_lapid))) { -+ if (unlikely(!have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ -+allow: -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+void -+gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ if (grsec_enable_chroot_execlog && proc_is_chrooted(current)) -+ gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, const char *dev_name) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ if (grsec_enable_chroot_mount && proc_is_chrooted(current)) { -+ gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_pivot(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ if (grsec_enable_chroot_double && proc_is_chrooted(current) && -+ !gr_is_outside_chroot(dentry, mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+extern const char *captab_log[]; -+extern int captab_log_entries; -+ -+int -+gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) { -+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS; -+ if (cap_raised(chroot_caps, cap)) { -+ if (cap_raised(cred->cap_effective, cap) && cap < captab_log_entries) { -+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_CHROOT_MSG, task, captab_log[cap]); -+ } -+ return 0; -+ } -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_is_capable(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ return gr_task_chroot_is_capable(current, current_cred(), cap); -+#endif -+ return 1; -+} -+ -+int -+gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) { -+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS; -+ if (cap_raised(chroot_caps, cap)) { -+ return 0; -+ } -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_is_capable_nolog(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ return gr_task_chroot_is_capable_nolog(current, cap); -+#endif -+ return 1; -+} -+ -+int -+gr_handle_chroot_sysctl(const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) && -+ proc_is_chrooted(current)) -+ return -EACCES; -+#endif -+ return 0; -+} -+ -+void -+gr_handle_chroot_chdir(const struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ if (grsec_enable_chroot_chdir) -+ set_fs_pwd(current->fs, path); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ /* allow chmod +s on directories, but not files */ -+ if (grsec_enable_chroot_chmod && !d_is_dir(dentry) && -+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_disabled.c b/grsecurity/grsec_disabled.c -new file mode 100644 -index 0000000..e723c08 ---- /dev/null -+++ b/grsecurity/grsec_disabled.c -@@ -0,0 +1,445 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/kdev_t.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/sysctl.h> -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ return; -+} -+#endif -+ -+#ifdef CONFIG_SYSCTL -+__u32 -+gr_handle_sysctl(const struct ctl_table * table, const int op) -+{ -+ return 0; -+} -+#endif -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ return 0; -+} -+#endif -+ -+int -+gr_acl_is_enabled(void) -+{ -+ return 0; -+} -+ -+int -+gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ return 0; -+} -+ -+void -+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode) -+{ -+ return; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+ return 0; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ return; -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ return 0; -+} -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ return 0; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *tsk) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ return 0; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ return; -+} -+ -+void -+gr_set_pax_flags(struct task_struct *task) -+{ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_share) -+{ -+ return 0; -+} -+ -+void -+gr_handle_delete(const u64 ino, const dev_t dev) -+{ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return; -+} -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ return 0; -+} -+ -+int -+gr_check_crash_uid(const kuid_t uid) -+{ -+ return 0; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags) -+{ -+ return; -+} -+ -+int -+gr_search_socket(const int family, const int type, const int protocol) -+{ -+ return 1; -+} -+ -+int -+gr_search_connectbind(const int mode, const struct socket *sock, -+ const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ return; -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ int acc_mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot, -+ unsigned int *vm_flags) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, -+ const struct vfsmount * mnt, const int fmode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt, -+ umode_t *mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_removexattr(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+void -+grsecurity_init(void) -+{ -+ return; -+} -+ -+umode_t gr_acl_umask(void) -+{ -+ return 0; -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const struct filename *from) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const struct filename *to) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_rename(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct inode *old_parent_inode, -+ const struct vfsmount *old_mnt, const struct filename *newname, -+ unsigned int flags) -+{ -+ return 0; -+} -+ -+int -+gr_acl_handle_filldir(const struct file *file, const char *name, -+ const int namelen, const u64 ino) -+{ -+ return 1; -+} -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, const int shmid) -+{ -+ return 1; -+} -+ -+int -+gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_search_accept(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_listen(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, int open_flags, int acc_mode, -+ const int imode) -+{ -+ return 1; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ return 1; -+} -+ -+void -+gr_set_role_label(const kuid_t uid, const kgid_t gid) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs) -+{ -+ return 0; -+} -+ -+int -+gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs) -+{ -+ return 0; -+} -+ -+int gr_acl_enable_at_secure(void) -+{ -+ return 0; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return d_backing_inode(dentry)->i_sb->s_dev; -+} -+ -+u64 gr_get_ino_from_dentry(struct dentry *dentry) -+{ -+ return d_backing_inode(dentry)->i_ino; -+} -+ -+void gr_put_exec_file(struct task_struct *task) -+{ -+ return; -+} -+ -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL_GPL(gr_check_user_change); -+EXPORT_SYMBOL_GPL(gr_check_group_change); -+#endif -diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c -new file mode 100644 -index 0000000..fb7531e ---- /dev/null -+++ b/grsecurity/grsec_exec.c -@@ -0,0 +1,189 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/binfmts.h> -+#include <linux/fs.h> -+#include <linux/types.h> -+#include <linux/grdefs.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/capability.h> -+#include <linux/module.h> -+#include <linux/compat.h> -+ -+#include <asm/uaccess.h> -+ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+static char gr_exec_arg_buf[132]; -+static DEFINE_MUTEX(gr_exec_arg_mutex); -+#endif -+ -+struct user_arg_ptr { -+#ifdef CONFIG_COMPAT -+ bool is_compat; -+#endif -+ union { -+ const char __user *const __user *native; -+#ifdef CONFIG_COMPAT -+ const compat_uptr_t __user *compat; -+#endif -+ } ptr; -+}; -+ -+extern const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr); -+ -+void -+gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv) -+{ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ char *grarg = gr_exec_arg_buf; -+ unsigned int i, x, execlen = 0; -+ char c; -+ -+ if (!((grsec_enable_execlog && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) -+ || (grsec_enable_execlog && !grsec_enable_group))) -+ return; -+ -+ mutex_lock(&gr_exec_arg_mutex); -+ memset(grarg, 0, sizeof(gr_exec_arg_buf)); -+ -+ for (i = 0; i < bprm->argc && execlen < 128; i++) { -+ const char __user *p; -+ unsigned int len; -+ -+ p = get_user_arg_ptr(argv, i); -+ if (IS_ERR(p)) -+ goto log; -+ -+ len = strnlen_user(p, 128 - execlen); -+ if (len > 128 - execlen) -+ len = 128 - execlen; -+ else if (len > 0) -+ len--; -+ if (copy_from_user(grarg + execlen, p, len)) -+ goto log; -+ -+ /* rewrite unprintable characters */ -+ for (x = 0; x < len; x++) { -+ c = *(grarg + execlen + x); -+ if (c < 32 || c > 126) -+ *(grarg + execlen + x) = ' '; -+ } -+ -+ execlen += len; -+ *(grarg + execlen) = ' '; -+ *(grarg + execlen + 1) = '\0'; -+ execlen++; -+ } -+ -+ log: -+ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry, -+ bprm->file->f_path.mnt, grarg); -+ mutex_unlock(&gr_exec_arg_mutex); -+#endif -+ return; -+} -+ -+#ifdef CONFIG_GRKERNSEC -+extern int gr_acl_is_capable(const int cap); -+extern int gr_acl_is_capable_nolog(const int cap); -+extern int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+extern int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap); -+extern int gr_chroot_is_capable(const int cap); -+extern int gr_chroot_is_capable_nolog(const int cap); -+extern int gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+extern int gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap); -+#endif -+ -+const char *captab_log[] = { -+ "CAP_CHOWN", -+ "CAP_DAC_OVERRIDE", -+ "CAP_DAC_READ_SEARCH", -+ "CAP_FOWNER", -+ "CAP_FSETID", -+ "CAP_KILL", -+ "CAP_SETGID", -+ "CAP_SETUID", -+ "CAP_SETPCAP", -+ "CAP_LINUX_IMMUTABLE", -+ "CAP_NET_BIND_SERVICE", -+ "CAP_NET_BROADCAST", -+ "CAP_NET_ADMIN", -+ "CAP_NET_RAW", -+ "CAP_IPC_LOCK", -+ "CAP_IPC_OWNER", -+ "CAP_SYS_MODULE", -+ "CAP_SYS_RAWIO", -+ "CAP_SYS_CHROOT", -+ "CAP_SYS_PTRACE", -+ "CAP_SYS_PACCT", -+ "CAP_SYS_ADMIN", -+ "CAP_SYS_BOOT", -+ "CAP_SYS_NICE", -+ "CAP_SYS_RESOURCE", -+ "CAP_SYS_TIME", -+ "CAP_SYS_TTY_CONFIG", -+ "CAP_MKNOD", -+ "CAP_LEASE", -+ "CAP_AUDIT_WRITE", -+ "CAP_AUDIT_CONTROL", -+ "CAP_SETFCAP", -+ "CAP_MAC_OVERRIDE", -+ "CAP_MAC_ADMIN", -+ "CAP_SYSLOG", -+ "CAP_WAKE_ALARM", -+ "CAP_BLOCK_SUSPEND", -+ "CAP_AUDIT_READ" -+}; -+ -+int captab_log_entries = sizeof(captab_log)/sizeof(captab_log[0]); -+ -+int gr_is_capable(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_acl_is_capable(cap) && gr_chroot_is_capable(cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_task_acl_is_capable(task, cred, cap) && gr_task_chroot_is_capable(task, cred, cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_is_capable_nolog(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_acl_is_capable_nolog(cap) && gr_chroot_is_capable_nolog(cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_task_acl_is_capable_nolog(task, cap) && gr_task_chroot_is_capable_nolog(task, cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+EXPORT_SYMBOL_GPL(gr_is_capable); -+EXPORT_SYMBOL_GPL(gr_is_capable_nolog); -+EXPORT_SYMBOL_GPL(gr_task_is_capable); -+EXPORT_SYMBOL_GPL(gr_task_is_capable_nolog); -diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c -new file mode 100644 -index 0000000..cdec49b ---- /dev/null -+++ b/grsecurity/grsec_fifo.c -@@ -0,0 +1,26 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, const int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_FIFO -+ const struct cred *cred = current_cred(); -+ struct inode *inode = d_backing_inode(dentry); -+ struct inode *dir_inode = d_backing_inode(dir); -+ -+ if (grsec_enable_fifo && S_ISFIFO(inode->i_mode) && -+ !(flag & O_EXCL) && (dir_inode->i_mode & S_ISVTX) && -+ !uid_eq(inode->i_uid, dir_inode->i_uid) && -+ !uid_eq(cred->fsuid, inode->i_uid)) { -+ if (!inode_permission(inode, acc_mode)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, GR_GLOBAL_UID(inode->i_uid), GR_GLOBAL_GID(inode->i_gid)); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_fork.c b/grsecurity/grsec_fork.c -new file mode 100644 -index 0000000..8ca18bf ---- /dev/null -+++ b/grsecurity/grsec_fork.c -@@ -0,0 +1,23 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/errno.h> -+ -+void -+gr_log_forkfail(const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) { -+ switch (retval) { -+ case -EAGAIN: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN"); -+ break; -+ case -ENOMEM: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM"); -+ break; -+ } -+ } -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_init.c b/grsecurity/grsec_init.c -new file mode 100644 -index 0000000..a364c58 ---- /dev/null -+++ b/grsecurity/grsec_init.c -@@ -0,0 +1,290 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/gracl.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/percpu.h> -+#include <linux/module.h> -+ -+int grsec_enable_ptrace_readexec __read_only; -+int grsec_enable_setxid __read_only; -+int grsec_enable_symlinkown __read_only; -+kgid_t grsec_symlinkown_gid __read_only; -+int grsec_enable_brute __read_only; -+int grsec_enable_link __read_only; -+int grsec_enable_dmesg __read_only; -+int grsec_enable_harden_ptrace __read_only; -+int grsec_enable_harden_ipc __read_only; -+int grsec_enable_fifo __read_only; -+int grsec_enable_execlog __read_only; -+int grsec_enable_signal __read_only; -+int grsec_enable_forkfail __read_only; -+int grsec_enable_audit_ptrace __read_only; -+int grsec_enable_time __read_only; -+int grsec_enable_group __read_only; -+kgid_t grsec_audit_gid __read_only; -+int grsec_enable_chdir __read_only; -+int grsec_enable_mount __read_only; -+int grsec_enable_rofs __read_only; -+int grsec_deny_new_usb __read_only; -+int grsec_enable_chroot_findtask __read_only; -+int grsec_enable_chroot_mount __read_only; -+int grsec_enable_chroot_shmat __read_only; -+int grsec_enable_chroot_fchdir __read_only; -+int grsec_enable_chroot_double __read_only; -+int grsec_enable_chroot_pivot __read_only; -+int grsec_enable_chroot_chdir __read_only; -+int grsec_enable_chroot_chmod __read_only; -+int grsec_enable_chroot_mknod __read_only; -+int grsec_enable_chroot_nice __read_only; -+int grsec_enable_chroot_execlog __read_only; -+int grsec_enable_chroot_caps __read_only; -+int grsec_enable_chroot_rename __read_only; -+int grsec_enable_chroot_sysctl __read_only; -+int grsec_enable_chroot_unix __read_only; -+int grsec_enable_tpe __read_only; -+kgid_t grsec_tpe_gid __read_only; -+int grsec_enable_blackhole __read_only; -+#ifdef CONFIG_IPV6_MODULE -+EXPORT_SYMBOL_GPL(grsec_enable_blackhole); -+#endif -+int grsec_lastack_retries __read_only; -+int grsec_enable_tpe_all __read_only; -+int grsec_enable_tpe_invert __read_only; -+int grsec_enable_socket_all __read_only; -+kgid_t grsec_socket_all_gid __read_only; -+int grsec_enable_socket_client __read_only; -+kgid_t grsec_socket_client_gid __read_only; -+int grsec_enable_socket_server __read_only; -+kgid_t grsec_socket_server_gid __read_only; -+int grsec_resource_logging __read_only; -+int grsec_disable_privio __read_only; -+int grsec_enable_log_rwxmaps __read_only; -+int grsec_lock __read_only; -+ -+DEFINE_SPINLOCK(grsec_alert_lock); -+unsigned long grsec_alert_wtime = 0; -+unsigned long grsec_alert_fyet = 0; -+ -+DEFINE_SPINLOCK(grsec_audit_lock); -+ -+DEFINE_RWLOCK(grsec_exec_file_lock); -+ -+char *gr_shared_page[4]; -+ -+char *gr_alert_log_fmt; -+char *gr_audit_log_fmt; -+char *gr_alert_log_buf; -+char *gr_audit_log_buf; -+ -+extern struct gr_arg *gr_usermode; -+extern unsigned char *gr_system_salt; -+extern unsigned char *gr_system_sum; -+ -+void __init -+grsecurity_init(void) -+{ -+ int j; -+ /* create the per-cpu shared pages */ -+ -+#ifdef CONFIG_X86 -+ memset((char *)(0x41a + PAGE_OFFSET), 0, 36); -+#endif -+ -+ for (j = 0; j < 4; j++) { -+ gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long)); -+ if (gr_shared_page[j] == NULL) { -+ panic("Unable to allocate grsecurity shared page"); -+ return; -+ } -+ } -+ -+ /* allocate log buffers */ -+ gr_alert_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_alert_log_fmt) { -+ panic("Unable to allocate grsecurity alert log format buffer"); -+ return; -+ } -+ gr_audit_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_audit_log_fmt) { -+ panic("Unable to allocate grsecurity audit log format buffer"); -+ return; -+ } -+ gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_alert_log_buf) { -+ panic("Unable to allocate grsecurity alert log buffer"); -+ return; -+ } -+ gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_audit_log_buf) { -+ panic("Unable to allocate grsecurity audit log buffer"); -+ return; -+ } -+ -+ /* allocate memory for authentication structure */ -+ gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL); -+ gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL); -+ gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL); -+ -+ if (!gr_usermode || !gr_system_salt || !gr_system_sum) { -+ panic("Unable to allocate grsecurity authentication structure"); -+ return; -+ } -+ -+#ifdef CONFIG_GRKERNSEC_IO -+#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO) -+ grsec_disable_privio = 1; -+#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+ grsec_disable_privio = 1; -+#else -+ grsec_disable_privio = 0; -+#endif -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ /* for backward compatibility, tpe_invert always defaults to on if -+ enabled in the kernel -+ */ -+ grsec_enable_tpe_invert = 1; -+#endif -+ -+#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+#ifndef CONFIG_GRKERNSEC_SYSCTL -+ grsec_lock = 1; -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ grsec_enable_log_rwxmaps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ grsec_enable_group = 1; -+ grsec_audit_gid = KGIDT_INIT(CONFIG_GRKERNSEC_AUDIT_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ grsec_enable_ptrace_readexec = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ grsec_enable_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ grsec_enable_harden_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ grsec_enable_harden_ipc = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ grsec_enable_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ grsec_enable_link = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ grsec_enable_brute = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ grsec_enable_dmesg = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ grsec_enable_blackhole = 1; -+ grsec_lastack_retries = 4; -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ grsec_enable_fifo = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ grsec_enable_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ grsec_enable_setxid = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ grsec_enable_signal = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ grsec_enable_forkfail = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ grsec_enable_time = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ grsec_resource_logging = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ grsec_enable_chroot_findtask = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ grsec_enable_chroot_unix = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ grsec_enable_chroot_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ grsec_enable_chroot_fchdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ grsec_enable_chroot_shmat = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ grsec_enable_audit_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ grsec_enable_chroot_double = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ grsec_enable_chroot_pivot = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ grsec_enable_chroot_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ grsec_enable_chroot_chmod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ grsec_enable_chroot_mknod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ grsec_enable_chroot_nice = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ grsec_enable_chroot_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ grsec_enable_chroot_caps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ grsec_enable_chroot_rename = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ grsec_enable_chroot_sysctl = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ grsec_enable_symlinkown = 1; -+ grsec_symlinkown_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SYMLINKOWN_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ grsec_enable_tpe = 1; -+ grsec_tpe_gid = KGIDT_INIT(CONFIG_GRKERNSEC_TPE_GID); -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ grsec_enable_tpe_all = 1; -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ grsec_enable_socket_all = 1; -+ grsec_socket_all_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_ALL_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ grsec_enable_socket_client = 1; -+ grsec_socket_client_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_CLIENT_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ grsec_enable_socket_server = 1; -+ grsec_socket_server_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_SERVER_GID); -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_DENYUSB_FORCE -+ grsec_deny_new_usb = 1; -+#endif -+ -+ return; -+} -diff --git a/grsecurity/grsec_ipc.c b/grsecurity/grsec_ipc.c -new file mode 100644 -index 0000000..1773300 ---- /dev/null -+++ b/grsecurity/grsec_ipc.c -@@ -0,0 +1,48 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/ipc.h> -+#include <linux/ipc_namespace.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ int write; -+ int orig_granted_mode; -+ kuid_t euid; -+ kgid_t egid; -+ -+ if (!grsec_enable_harden_ipc) -+ return 1; -+ -+ euid = current_euid(); -+ egid = current_egid(); -+ -+ write = requested_mode & 00002; -+ orig_granted_mode = ipcp->mode; -+ -+ if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid)) -+ orig_granted_mode >>= 6; -+ else { -+ /* if likely wrong permissions, lock to user */ -+ if (orig_granted_mode & 0007) -+ orig_granted_mode = 0; -+ /* otherwise do a egid-only check */ -+ else if (gid_eq(egid, ipcp->cgid) || gid_eq(egid, ipcp->gid)) -+ orig_granted_mode >>= 3; -+ /* otherwise, no access */ -+ else -+ orig_granted_mode = 0; -+ } -+ if (!(requested_mode & ~granted_mode & 0007) && (requested_mode & ~orig_granted_mode & 0007) && -+ !ns_capable_nolog(ns->user_ns, CAP_IPC_OWNER)) { -+ gr_log_str_int(GR_DONT_AUDIT, GR_IPC_DENIED_MSG, write ? "write" : "read", GR_GLOBAL_UID(ipcp->cuid)); -+ return 0; -+ } -+#endif -+ return 1; -+} -diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c -new file mode 100644 -index 0000000..8ef2b75 ---- /dev/null -+++ b/grsecurity/grsec_link.c -@@ -0,0 +1,59 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int gr_handle_symlink_owner(const struct path *link, const struct inode *target) -+{ -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ const struct inode *link_inode = d_backing_inode(link->dentry); -+ -+ if (grsec_enable_symlinkown && in_group_p(grsec_symlinkown_gid) && -+ /* ignore root-owned links, e.g. /proc/self */ -+ gr_is_global_nonroot(link_inode->i_uid) && target && -+ !uid_eq(link_inode->i_uid, target->i_uid)) { -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINKOWNER_MSG, link->dentry, link->mnt, link_inode->i_uid, target->i_uid); -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_follow_link(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ struct inode *inode = d_backing_inode(dentry); -+ struct inode *parent = d_backing_inode(dentry->d_parent); -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && d_is_symlink(dentry) && -+ (parent->i_mode & S_ISVTX) && !uid_eq(parent->i_uid, inode->i_uid) && -+ (parent->i_mode & S_IWOTH) && !uid_eq(cred->fsuid, inode->i_uid)) { -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct filename *to) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ struct inode *inode = d_backing_inode(dentry); -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) && -+ (!d_is_reg(dentry) || is_privileged_binary(dentry) || -+ (inode_permission(inode, MAY_READ | MAY_WRITE))) && -+ !capable(CAP_FOWNER) && gr_is_global_nonroot(cred->uid)) { -+ gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to->name); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_log.c b/grsecurity/grsec_log.c -new file mode 100644 -index 0000000..dbe0a6b ---- /dev/null -+++ b/grsecurity/grsec_log.c -@@ -0,0 +1,341 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/tty.h> -+#include <linux/fs.h> -+#include <linux/mm.h> -+#include <linux/grinternal.h> -+ -+#ifdef CONFIG_TREE_PREEMPT_RCU -+#define DISABLE_PREEMPT() preempt_disable() -+#define ENABLE_PREEMPT() preempt_enable() -+#else -+#define DISABLE_PREEMPT() -+#define ENABLE_PREEMPT() -+#endif -+ -+#define BEGIN_LOCKS(x) \ -+ DISABLE_PREEMPT(); \ -+ rcu_read_lock(); \ -+ read_lock(&tasklist_lock); \ -+ read_lock(&grsec_exec_file_lock); \ -+ if (x != GR_DO_AUDIT) \ -+ spin_lock(&grsec_alert_lock); \ -+ else \ -+ spin_lock(&grsec_audit_lock) -+ -+#define END_LOCKS(x) \ -+ if (x != GR_DO_AUDIT) \ -+ spin_unlock(&grsec_alert_lock); \ -+ else \ -+ spin_unlock(&grsec_audit_lock); \ -+ read_unlock(&grsec_exec_file_lock); \ -+ read_unlock(&tasklist_lock); \ -+ rcu_read_unlock(); \ -+ ENABLE_PREEMPT(); \ -+ if (x == GR_DONT_AUDIT) \ -+ gr_handle_alertkill(current) -+ -+enum { -+ FLOODING, -+ NO_FLOODING -+}; -+ -+extern char *gr_alert_log_fmt; -+extern char *gr_audit_log_fmt; -+extern char *gr_alert_log_buf; -+extern char *gr_audit_log_buf; -+ -+static int gr_log_start(int audit) -+{ -+ char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT; -+ char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt; -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+#if (CONFIG_GRKERNSEC_FLOODTIME > 0 && CONFIG_GRKERNSEC_FLOODBURST > 0) -+ unsigned long curr_secs = get_seconds(); -+ -+ if (audit == GR_DO_AUDIT) -+ goto set_fmt; -+ -+ if (!grsec_alert_wtime || time_after(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)) { -+ grsec_alert_wtime = curr_secs; -+ grsec_alert_fyet = 0; -+ } else if (time_before_eq(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME) -+ && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) { -+ grsec_alert_fyet++; -+ } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) { -+ grsec_alert_wtime = curr_secs; -+ grsec_alert_fyet++; -+ printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME); -+ return FLOODING; -+ } -+ else return FLOODING; -+ -+set_fmt: -+#endif -+ memset(buf, 0, PAGE_SIZE); -+ if (current->signal->curr_ip && gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else if (current->signal->curr_ip) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip); -+ } else if (gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else { -+ sprintf(fmt, "%s%s", loglevel, "grsec: "); -+ strcpy(buf, fmt); -+ } -+ -+ return NO_FLOODING; -+} -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+ __attribute__ ((format (printf, 2, 0))); -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ -+ return; -+} -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+ __attribute__ ((format (printf, 2, 3))); -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ va_list ap; -+ -+ va_start(ap, msg); -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ va_end(ap); -+ -+ return; -+} -+ -+static void gr_log_end(int audit, int append_default) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ if (append_default) { -+ struct task_struct *task = current; -+ struct task_struct *parent = task->real_parent; -+ const struct cred *cred = __task_cred(task); -+ const struct cred *pcred = __task_cred(parent); -+ unsigned int len = strlen(buf); -+ -+ snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ } -+ -+ printk("%s\n", buf); -+ -+ return; -+} -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...) -+{ -+ int logtype; -+ char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied"; -+ char *str1 = NULL, *str2 = NULL, *str3 = NULL; -+ void *voidptr = NULL; -+ int num1 = 0, num2 = 0; -+ unsigned long ulong1 = 0, ulong2 = 0; -+ struct dentry *dentry = NULL; -+ struct vfsmount *mnt = NULL; -+ struct file *file = NULL; -+ struct task_struct *task = NULL; -+ struct vm_area_struct *vma = NULL; -+ const struct cred *cred, *pcred; -+ va_list ap; -+ -+ BEGIN_LOCKS(audit); -+ logtype = gr_log_start(audit); -+ if (logtype == FLOODING) { -+ END_LOCKS(audit); -+ return; -+ } -+ va_start(ap, argtypes); -+ switch (argtypes) { -+ case GR_TTYSNIFF: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task_pid_nr(task), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent)); -+ break; -+ case GR_SYSCTL_HIDDEN: -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, str1); -+ break; -+ case GR_RBAC: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_STR_RBAC: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_MODE2: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2); -+ break; -+ case GR_RBAC_MODE3: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ str3 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3); -+ break; -+ case GR_FILENAME: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_STR_FILENAME: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_FILENAME_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_FILENAME_TWO_INT: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2); -+ break; -+ case GR_FILENAME_TWO_INT_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1); -+ break; -+ case GR_TEXTREL: -+ file = va_arg(ap, struct file *); -+ ulong1 = va_arg(ap, unsigned long); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2); -+ break; -+ case GR_PTRACE: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task_pid_nr(task)); -+ break; -+ case GR_RESOURCE: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ str1 = va_arg(ap, char *); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_CAP: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_SIG: -+ str1 = va_arg(ap, char *); -+ voidptr = va_arg(ap, void *); -+ gr_log_middle_varargs(audit, msg, str1, voidptr); -+ break; -+ case GR_SIG2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ num1 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_CRASH1: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), GR_GLOBAL_UID(cred->uid), ulong1); -+ break; -+ case GR_CRASH2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), ulong1); -+ break; -+ case GR_RWXMAP: -+ file = va_arg(ap, struct file *); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>"); -+ break; -+ case GR_RWXMAPVMA: -+ vma = va_arg(ap, struct vm_area_struct *); -+ if (vma->vm_file) -+ str1 = gr_to_filename(vma->vm_file->f_path.dentry, vma->vm_file->f_path.mnt); -+ else if (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) -+ str1 = "<stack>"; -+ else if (vma->vm_start <= current->mm->brk && -+ vma->vm_end >= current->mm->start_brk) -+ str1 = "<heap>"; -+ else -+ str1 = "<anonymous mapping>"; -+ gr_log_middle_varargs(audit, msg, str1); -+ break; -+ case GR_PSACCT: -+ { -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ char cur_tty[64] = { 0 }; -+ char parent_tty[64] = { 0 }; -+ -+ task = va_arg(ap, struct task_struct *); -+ wday = va_arg(ap, unsigned int); -+ cday = va_arg(ap, unsigned int); -+ whr = va_arg(ap, int); -+ chr = va_arg(ap, int); -+ wmin = va_arg(ap, int); -+ cmin = va_arg(ap, int); -+ wsec = va_arg(ap, int); -+ csec = va_arg(ap, int); -+ ulong1 = va_arg(ap, unsigned long); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ } -+ break; -+ default: -+ gr_log_middle(audit, msg, ap); -+ } -+ va_end(ap); -+ // these don't need DEFAULTSECARGS printed on the end -+ if (argtypes == GR_CRASH1 || argtypes == GR_CRASH2) -+ gr_log_end(audit, 0); -+ else -+ gr_log_end(audit, 1); -+ END_LOCKS(audit); -+} -diff --git a/grsecurity/grsec_mem.c b/grsecurity/grsec_mem.c -new file mode 100644 -index 0000000..0e39d8c7 ---- /dev/null -+++ b/grsecurity/grsec_mem.c -@@ -0,0 +1,48 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/mman.h> -+#include <linux/module.h> -+#include <linux/grinternal.h> -+ -+void gr_handle_msr_write(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_MSRWRITE_MSG); -+ return; -+} -+EXPORT_SYMBOL_GPL(gr_handle_msr_write); -+ -+void -+gr_handle_ioperm(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG); -+ return; -+} -+ -+void -+gr_handle_iopl(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG); -+ return; -+} -+ -+void -+gr_handle_mem_readwrite(u64 from, u64 to) -+{ -+ gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to); -+ return; -+} -+ -+void -+gr_handle_vm86(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG); -+ return; -+} -+ -+void -+gr_log_badprocpid(const char *entry) -+{ -+ gr_log_str(GR_DONT_AUDIT, GR_BADPROCPID_MSG, entry); -+ return; -+} -diff --git a/grsecurity/grsec_mount.c b/grsecurity/grsec_mount.c -new file mode 100644 -index 0000000..fe02bf4 ---- /dev/null -+++ b/grsecurity/grsec_mount.c -@@ -0,0 +1,65 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mount.h> -+#include <linux/major.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_remount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_unmount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_mount(const char *from, struct path *to, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str_fs(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to->dentry, to->mnt); -+#endif -+ return; -+} -+ -+int -+gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -+ -+int -+gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ struct inode *inode = d_backing_inode(dentry); -+ -+ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) && -+ inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR))) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_pax.c b/grsecurity/grsec_pax.c -new file mode 100644 -index 0000000..6ee9d50 ---- /dev/null -+++ b/grsecurity/grsec_pax.c -@@ -0,0 +1,45 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+#include <linux/grsecurity.h> -+ -+void -+gr_log_textrel(struct vm_area_struct * vma) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_textrel_ulong_ulong(GR_DONT_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff); -+#endif -+ return; -+} -+ -+void gr_log_ptgnustack(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_PTGNUSTACK_MSG, file); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmmap(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmprotect(struct vm_area_struct *vma) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap_vma(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, vma); -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_proc.c b/grsecurity/grsec_proc.c -new file mode 100644 -index 0000000..2005a3a ---- /dev/null -+++ b/grsecurity/grsec_proc.c -@@ -0,0 +1,20 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int gr_proc_is_restricted(void) -+{ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred = current_cred(); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID)) -+ return -EACCES; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID) && !in_group_p(grsec_proc_gid)) -+ return -EACCES; -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_ptrace.c b/grsecurity/grsec_ptrace.c -new file mode 100644 -index 0000000..304c518 ---- /dev/null -+++ b/grsecurity/grsec_ptrace.c -@@ -0,0 +1,30 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/security.h> -+ -+void -+gr_audit_ptrace(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ if (grsec_enable_audit_ptrace) -+ gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task); -+#endif -+ return; -+} -+ -+int -+gr_ptrace_readexec(struct file *file, int unsafe_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ const struct dentry *dentry = file->f_path.dentry; -+ const struct vfsmount *mnt = file->f_path.mnt; -+ -+ if (grsec_enable_ptrace_readexec && (unsafe_flags & LSM_UNSAFE_PTRACE) && -+ (inode_permission(d_backing_inode(dentry), MAY_READ) || !gr_acl_handle_open(dentry, mnt, MAY_READ))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_READEXEC_MSG, dentry, mnt); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sig.c b/grsecurity/grsec_sig.c -new file mode 100644 -index 0000000..3860c7e ---- /dev/null -+++ b/grsecurity/grsec_sig.c -@@ -0,0 +1,236 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/delay.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/hardirq.h> -+ -+char *signames[] = { -+ [SIGSEGV] = "Segmentation fault", -+ [SIGILL] = "Illegal instruction", -+ [SIGABRT] = "Abort", -+ [SIGBUS] = "Invalid alignment/Bus error" -+}; -+ -+void -+gr_log_signal(const int sig, const void *addr, const struct task_struct *t) -+{ -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) || -+ (sig == SIGABRT) || (sig == SIGBUS))) { -+ if (task_pid_nr(t) == task_pid_nr(current)) { -+ gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr); -+ } else { -+ gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig); -+ } -+ } -+#endif -+ return; -+} -+ -+int -+gr_handle_signal(const struct task_struct *p, const int sig) -+{ -+#ifdef CONFIG_GRKERNSEC -+ /* ignore the 0 signal for protected task checks */ -+ if (task_pid_nr(current) > 1 && sig && gr_check_protected_task(p)) { -+ gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig); -+ return -EPERM; -+ } else if (gr_pid_is_chrooted((struct task_struct *)p)) { -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+#ifdef CONFIG_GRKERNSEC -+extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t); -+ -+int gr_fake_force_sig(int sig, struct task_struct *t) -+{ -+ unsigned long int flags; -+ int ret, blocked, ignored; -+ struct k_sigaction *action; -+ -+ spin_lock_irqsave(&t->sighand->siglock, flags); -+ action = &t->sighand->action[sig-1]; -+ ignored = action->sa.sa_handler == SIG_IGN; -+ blocked = sigismember(&t->blocked, sig); -+ if (blocked || ignored) { -+ action->sa.sa_handler = SIG_DFL; -+ if (blocked) { -+ sigdelset(&t->blocked, sig); -+ recalc_sigpending_and_wake(t); -+ } -+ } -+ if (action->sa.sa_handler == SIG_DFL) -+ t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t); -+ -+ spin_unlock_irqrestore(&t->sighand->siglock, flags); -+ -+ return ret; -+} -+#endif -+ -+#define GR_USER_BAN_TIME (15 * 60) -+#define GR_DAEMON_BRUTE_TIME (30 * 60) -+ -+void gr_handle_brute_attach(int dumpable) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct task_struct *p = current; -+ kuid_t uid = GLOBAL_ROOT_UID; -+ int daemon = 0; -+ -+ if (!grsec_enable_brute) -+ return; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ if (p->real_parent && gr_is_same_file(p->real_parent->exec_file, p->exec_file)) { -+ p->real_parent->brute_expires = get_seconds() + GR_DAEMON_BRUTE_TIME; -+ p->real_parent->brute = 1; -+ daemon = 1; -+ } else { -+ const struct cred *cred = __task_cred(p), *cred2; -+ struct task_struct *tsk, *tsk2; -+ -+ if (dumpable != SUID_DUMP_USER && gr_is_global_nonroot(cred->uid)) { -+ struct user_struct *user; -+ -+ uid = cred->uid; -+ -+ /* this is put upon execution past expiration */ -+ user = find_user(uid); -+ if (user == NULL) -+ goto unlock; -+ user->suid_banned = 1; -+ user->suid_ban_expires = get_seconds() + GR_USER_BAN_TIME; -+ if (user->suid_ban_expires == ~0UL) -+ user->suid_ban_expires--; -+ -+ /* only kill other threads of the same binary, from the same user */ -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != p && uid_eq(cred2->uid, uid) && gr_is_same_file(tsk->exec_file, p->exec_file)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ } -+ } -+unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ if (gr_is_global_nonroot(uid)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_BRUTE_SUID_MSG, p->exec_file->f_path.dentry, p->exec_file->f_path.mnt, GR_GLOBAL_UID(uid), GR_USER_BAN_TIME / 60); -+ else if (daemon) -+ gr_log_noargs(GR_DONT_AUDIT, GR_BRUTE_DAEMON_MSG); -+ -+#endif -+ return; -+} -+ -+void gr_handle_brute_check(void) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct task_struct *p = current; -+ -+ if (unlikely(p->brute)) { -+ if (!grsec_enable_brute) -+ p->brute = 0; -+ else if (time_before(get_seconds(), p->brute_expires)) -+ msleep(30 * 1000); -+ } -+#endif -+ return; -+} -+ -+void gr_handle_kernel_exploit(void) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ const struct cred *cred; -+ struct task_struct *tsk, *tsk2; -+ struct user_struct *user; -+ kuid_t uid; -+ -+ if (in_irq() || in_serving_softirq() || in_nmi()) -+ panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context"); -+ -+ uid = current_uid(); -+ -+ if (gr_is_global_root(uid)) -+ panic("grsec: halting the system due to suspicious kernel crash caused by root"); -+ else { -+ /* kill all the processes of this user, hold a reference -+ to their creds struct, and prevent them from creating -+ another process until system reset -+ */ -+ printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n", -+ GR_GLOBAL_UID(uid)); -+ /* we intentionally leak this ref */ -+ user = get_uid(current->cred->user); -+ if (user) -+ user->kernel_banned = 1; -+ -+ /* kill all processes of this user */ -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred = __task_cred(tsk); -+ if (uid_eq(cred->uid, uid)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } -+#endif -+} -+ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+static bool suid_ban_expired(struct user_struct *user) -+{ -+ if (user->suid_ban_expires != ~0UL && time_after_eq(get_seconds(), user->suid_ban_expires)) { -+ user->suid_banned = 0; -+ user->suid_ban_expires = 0; -+ free_uid(user); -+ return true; -+ } -+ -+ return false; -+} -+#endif -+ -+int gr_process_kernel_exec_ban(void) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ if (unlikely(current->cred->user->kernel_banned)) -+ return -EPERM; -+#endif -+ return 0; -+} -+ -+int gr_process_kernel_setuid_ban(struct user_struct *user) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ if (unlikely(user->kernel_banned)) -+ gr_fake_force_sig(SIGKILL, current); -+#endif -+ return 0; -+} -+ -+int gr_process_suid_exec_ban(const struct linux_binprm *bprm) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct user_struct *user = current->cred->user; -+ if (unlikely(user->suid_banned)) { -+ if (suid_ban_expired(user)) -+ return 0; -+ /* disallow execution of suid binaries only */ -+ else if (!uid_eq(bprm->cred->euid, current->cred->uid)) -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sock.c b/grsecurity/grsec_sock.c -new file mode 100644 -index 0000000..a523bd2 ---- /dev/null -+++ b/grsecurity/grsec_sock.c -@@ -0,0 +1,244 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <net/sock.h> -+#include <net/inet_sock.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr); -+ -+EXPORT_SYMBOL_GPL(gr_search_udp_recvmsg); -+EXPORT_SYMBOL_GPL(gr_search_udp_sendmsg); -+ -+#ifdef CONFIG_UNIX_MODULE -+EXPORT_SYMBOL_GPL(gr_acl_handle_unix); -+EXPORT_SYMBOL_GPL(gr_acl_handle_mknod); -+EXPORT_SYMBOL_GPL(gr_handle_chroot_unix); -+EXPORT_SYMBOL_GPL(gr_handle_create); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define gr_conn_table_size 32749 -+struct conn_table_entry { -+ struct conn_table_entry *next; -+ struct signal_struct *sig; -+}; -+ -+struct conn_table_entry *gr_conn_table[gr_conn_table_size]; -+DEFINE_SPINLOCK(gr_conn_table_lock); -+ -+extern const char * gr_socktype_to_name(unsigned char type); -+extern const char * gr_proto_to_name(unsigned char proto); -+extern const char * gr_sockfamily_to_name(unsigned char family); -+ -+static int -+conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size) -+{ -+ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size); -+} -+ -+static int -+conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr && -+ sig->gr_sport == sport && sig->gr_dport == dport)) -+ return 1; -+ else -+ return 0; -+} -+ -+static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent) -+{ -+ struct conn_table_entry **match; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ newent->sig = sig; -+ -+ match = &gr_conn_table[index]; -+ newent->next = *match; -+ *match = newent; -+ -+ return; -+} -+ -+static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig) -+{ -+ struct conn_table_entry *match, *last = NULL; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, -+ sig->gr_saddr, sig->gr_daddr, sig->gr_sport, -+ sig->gr_dport)) { -+ last = match; -+ match = match->next; -+ } -+ -+ if (match) { -+ if (last) -+ last->next = match->next; -+ else -+ gr_conn_table[index] = NULL; -+ kfree(match); -+ } -+ -+ return; -+} -+ -+static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ struct conn_table_entry *match; -+ unsigned int index; -+ -+ index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, saddr, daddr, sport, dport)) -+ match = match->next; -+ -+ if (match) -+ return match->sig; -+ else -+ return NULL; -+} -+ -+#endif -+ -+void gr_update_task_in_ip_table(const struct inet_sock *inet) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *sig = current->signal; -+ struct conn_table_entry *newent; -+ -+ newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC); -+ if (newent == NULL) -+ return; -+ /* no bh lock needed since we are called with bh disabled */ -+ spin_lock(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(sig); -+ sig->gr_saddr = inet->inet_rcv_saddr; -+ sig->gr_daddr = inet->inet_daddr; -+ sig->gr_sport = inet->inet_sport; -+ sig->gr_dport = inet->inet_dport; -+ gr_add_to_task_ip_table_nolock(sig, newent); -+ spin_unlock(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void gr_del_task_from_ip_table(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ spin_lock_bh(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(task->signal); -+ spin_unlock_bh(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void -+gr_attach_curr_ip(const struct sock *sk) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *p, *set; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ if (unlikely(sk->sk_protocol != IPPROTO_TCP)) -+ return; -+ -+ set = current->signal; -+ -+ spin_lock_bh(&gr_conn_table_lock); -+ p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr, -+ inet->inet_dport, inet->inet_sport); -+ if (unlikely(p != NULL)) { -+ set->curr_ip = p->curr_ip; -+ set->used_accept = 1; -+ gr_del_task_from_ip_table_nolock(p); -+ spin_unlock_bh(&gr_conn_table_lock); -+ return; -+ } -+ spin_unlock_bh(&gr_conn_table_lock); -+ -+ set->curr_ip = inet->inet_daddr; -+ set->used_accept = 1; -+#endif -+ return; -+} -+ -+int -+gr_handle_sock_all(const int family, const int type, const int protocol) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) && -+ (family != AF_UNIX)) { -+ if (family == AF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server_other(const struct sock *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sk_family != AF_UNIX) && -+ (sck->sk_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_client(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sysctl.c b/grsecurity/grsec_sysctl.c -new file mode 100644 -index 0000000..aaec43c ---- /dev/null -+++ b/grsecurity/grsec_sysctl.c -@@ -0,0 +1,488 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/sysctl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_sysctl_mod(const char *dirname, const char *name, const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+ if (dirname == NULL || name == NULL) -+ return 0; -+ if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) { -+ gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+#if defined(CONFIG_GRKERNSEC_ROFS) || defined(CONFIG_GRKERNSEC_DENYUSB) -+static int __maybe_unused __read_only one = 1; -+#endif -+ -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) || \ -+ defined(CONFIG_GRKERNSEC_DENYUSB) -+struct ctl_table grsecurity_table[] = { -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO -+#ifdef CONFIG_GRKERNSEC_IO -+ { -+ .procname = "disable_priv_io", -+ .data = &grsec_disable_privio, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ { -+ .procname = "linking_restrictions", -+ .data = &grsec_enable_link, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ { -+ .procname = "enforce_symlinksifowner", -+ .data = &grsec_enable_symlinkown, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "symlinkown_gid", -+ .data = &grsec_symlinkown_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ { -+ .procname = "deter_bruteforce", -+ .data = &grsec_enable_brute, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ { -+ .procname = "fifo_restrictions", -+ .data = &grsec_enable_fifo, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ { -+ .procname = "ptrace_readexec", -+ .data = &grsec_enable_ptrace_readexec, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ { -+ .procname = "consistent_setxid", -+ .data = &grsec_enable_setxid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ { -+ .procname = "ip_blackhole", -+ .data = &grsec_enable_blackhole, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "lastack_retries", -+ .data = &grsec_lastack_retries, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ { -+ .procname = "exec_logging", -+ .data = &grsec_enable_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ { -+ .procname = "rwxmap_logging", -+ .data = &grsec_enable_log_rwxmaps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ { -+ .procname = "signal_logging", -+ .data = &grsec_enable_signal, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ { -+ .procname = "forkfail_logging", -+ .data = &grsec_enable_forkfail, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ { -+ .procname = "timechange_logging", -+ .data = &grsec_enable_time, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ { -+ .procname = "chroot_deny_shmat", -+ .data = &grsec_enable_chroot_shmat, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ { -+ .procname = "chroot_deny_unix", -+ .data = &grsec_enable_chroot_unix, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ { -+ .procname = "chroot_deny_mount", -+ .data = &grsec_enable_chroot_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ { -+ .procname = "chroot_deny_fchdir", -+ .data = &grsec_enable_chroot_fchdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ { -+ .procname = "chroot_deny_chroot", -+ .data = &grsec_enable_chroot_double, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ { -+ .procname = "chroot_deny_pivot", -+ .data = &grsec_enable_chroot_pivot, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ { -+ .procname = "chroot_enforce_chdir", -+ .data = &grsec_enable_chroot_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ { -+ .procname = "chroot_deny_chmod", -+ .data = &grsec_enable_chroot_chmod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ { -+ .procname = "chroot_deny_mknod", -+ .data = &grsec_enable_chroot_mknod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ { -+ .procname = "chroot_restrict_nice", -+ .data = &grsec_enable_chroot_nice, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ { -+ .procname = "chroot_execlog", -+ .data = &grsec_enable_chroot_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ { -+ .procname = "chroot_caps", -+ .data = &grsec_enable_chroot_caps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ { -+ .procname = "chroot_deny_bad_rename", -+ .data = &grsec_enable_chroot_rename, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ { -+ .procname = "chroot_deny_sysctl", -+ .data = &grsec_enable_chroot_sysctl, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ { -+ .procname = "tpe", -+ .data = &grsec_enable_tpe, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "tpe_gid", -+ .data = &grsec_tpe_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ { -+ .procname = "tpe_invert", -+ .data = &grsec_enable_tpe_invert, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ { -+ .procname = "tpe_restrict_all", -+ .data = &grsec_enable_tpe_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ { -+ .procname = "socket_all", -+ .data = &grsec_enable_socket_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_all_gid", -+ .data = &grsec_socket_all_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ { -+ .procname = "socket_client", -+ .data = &grsec_enable_socket_client, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_client_gid", -+ .data = &grsec_socket_client_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ { -+ .procname = "socket_server", -+ .data = &grsec_enable_socket_server, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_server_gid", -+ .data = &grsec_socket_server_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ { -+ .procname = "audit_group", -+ .data = &grsec_enable_group, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "audit_gid", -+ .data = &grsec_audit_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ { -+ .procname = "audit_chdir", -+ .data = &grsec_enable_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ { -+ .procname = "audit_mount", -+ .data = &grsec_enable_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ { -+ .procname = "dmesg", -+ .data = &grsec_enable_dmesg, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ { -+ .procname = "chroot_findtask", -+ .data = &grsec_enable_chroot_findtask, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ { -+ .procname = "resource_logging", -+ .data = &grsec_resource_logging, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ { -+ .procname = "audit_ptrace", -+ .data = &grsec_enable_audit_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ { -+ .procname = "harden_ptrace", -+ .data = &grsec_enable_harden_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ { -+ .procname = "harden_ipc", -+ .data = &grsec_enable_harden_ipc, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+ { -+ .procname = "grsec_lock", -+ .data = &grsec_lock, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_ROFS -+ { -+ .procname = "romount_protect", -+ .data = &grsec_enable_rofs, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_minmax_secure, -+ .extra1 = &one, -+ .extra2 = &one, -+ }, -+#endif -+#if defined(CONFIG_GRKERNSEC_DENYUSB) && !defined(CONFIG_GRKERNSEC_DENYUSB_FORCE) -+ { -+ .procname = "deny_new_usb", -+ .data = &grsec_deny_new_usb, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+ { } -+}; -+#endif -diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c -new file mode 100644 -index 0000000..61b514e ---- /dev/null -+++ b/grsecurity/grsec_time.c -@@ -0,0 +1,16 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/module.h> -+ -+void -+gr_log_timechange(void) -+{ -+#ifdef CONFIG_GRKERNSEC_TIME -+ if (grsec_enable_time) -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG); -+#endif -+ return; -+} -+ -+EXPORT_SYMBOL_GPL(gr_log_timechange); -diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c -new file mode 100644 -index 0000000..9786671 ---- /dev/null -+++ b/grsecurity/grsec_tpe.c -@@ -0,0 +1,78 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/grinternal.h> -+ -+extern int gr_acl_tpe_check(void); -+ -+int -+gr_tpe_allow(const struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct inode *inode = d_backing_inode(file->f_path.dentry->d_parent); -+ struct inode *file_inode = d_backing_inode(file->f_path.dentry); -+ const struct cred *cred = current_cred(); -+ char *msg = NULL; -+ char *msg2 = NULL; -+ -+ // never restrict root -+ if (gr_is_global_root(cred->uid)) -+ return 1; -+ -+ if (grsec_enable_tpe) { -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ if (grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid)) -+ msg = "not being in trusted group"; -+ else if (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid)) -+ msg = "being in untrusted group"; -+#else -+ if (in_group_p(grsec_tpe_gid)) -+ msg = "being in untrusted group"; -+#endif -+ } -+ if (!msg && gr_acl_tpe_check()) -+ msg = "being in untrusted role"; -+ -+ // not in any affected group/role -+ if (!msg) -+ goto next_check; -+ -+ if (gr_is_global_nonroot(inode->i_uid)) -+ msg2 = "file in non-root-owned directory"; -+ else if (inode->i_mode & S_IWOTH) -+ msg2 = "file in world-writable directory"; -+ else if (inode->i_mode & S_IWGRP) -+ msg2 = "file in group-writable directory"; -+ else if (file_inode->i_mode & S_IWOTH) -+ msg2 = "file is world-writable"; -+ -+ if (msg && msg2) { -+ char fullmsg[70] = {0}; -+ snprintf(fullmsg, sizeof(fullmsg)-1, "%s and %s", msg, msg2); -+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, fullmsg, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+ msg = NULL; -+next_check: -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ if (!grsec_enable_tpe || !grsec_enable_tpe_all) -+ return 1; -+ -+ if (gr_is_global_nonroot(inode->i_uid) && !uid_eq(inode->i_uid, cred->uid)) -+ msg = "directory not owned by user"; -+ else if (inode->i_mode & S_IWOTH) -+ msg = "file in world-writable directory"; -+ else if (inode->i_mode & S_IWGRP) -+ msg = "file in group-writable directory"; -+ else if (file_inode->i_mode & S_IWOTH) -+ msg = "file is world-writable"; -+ -+ if (msg) { -+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, msg, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+#endif -+#endif -+ return 1; -+} -diff --git a/grsecurity/grsec_usb.c b/grsecurity/grsec_usb.c -new file mode 100644 -index 0000000..ae02d8e ---- /dev/null -+++ b/grsecurity/grsec_usb.c -@@ -0,0 +1,15 @@ -+#include <linux/kernel.h> -+#include <linux/grinternal.h> -+#include <linux/module.h> -+ -+int gr_handle_new_usb(void) -+{ -+#ifdef CONFIG_GRKERNSEC_DENYUSB -+ if (grsec_deny_new_usb) { -+ printk(KERN_ALERT "grsec: denied insert of new USB device\n"); -+ return 1; -+ } -+#endif -+ return 0; -+} -+EXPORT_SYMBOL_GPL(gr_handle_new_usb); -diff --git a/grsecurity/grsum.c b/grsecurity/grsum.c -new file mode 100644 -index 0000000..158b330 ---- /dev/null -+++ b/grsecurity/grsum.c -@@ -0,0 +1,64 @@ -+#include <linux/err.h> -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/scatterlist.h> -+#include <linux/crypto.h> -+#include <linux/gracl.h> -+ -+ -+#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE) -+#error "crypto and sha256 must be built into the kernel" -+#endif -+ -+int -+chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum) -+{ -+ struct crypto_hash *tfm; -+ struct hash_desc desc; -+ struct scatterlist sg[2]; -+ unsigned char temp_sum[GR_SHA_LEN] __attribute__((aligned(__alignof__(unsigned long)))); -+ unsigned long *tmpsumptr = (unsigned long *)temp_sum; -+ unsigned long *sumptr = (unsigned long *)sum; -+ int cryptres; -+ int retval = 1; -+ volatile int mismatched = 0; -+ volatile int dummy = 0; -+ unsigned int i; -+ -+ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) { -+ /* should never happen, since sha256 should be built in */ -+ memset(entry->pw, 0, GR_PW_LEN); -+ return 1; -+ } -+ -+ sg_init_table(sg, 2); -+ sg_set_buf(&sg[0], salt, GR_SALT_LEN); -+ sg_set_buf(&sg[1], entry->pw, strlen(entry->pw)); -+ -+ desc.tfm = tfm; -+ desc.flags = 0; -+ -+ cryptres = crypto_hash_digest(&desc, sg, GR_SALT_LEN + strlen(entry->pw), -+ temp_sum); -+ -+ memset(entry->pw, 0, GR_PW_LEN); -+ -+ if (cryptres) -+ goto out; -+ -+ for (i = 0; i < GR_SHA_LEN/sizeof(tmpsumptr[0]); i++) -+ if (sumptr[i] != tmpsumptr[i]) -+ mismatched = 1; -+ else -+ dummy = 1; // waste a cycle -+ -+ if (!mismatched) -+ retval = dummy - 1; -+ -+out: -+ crypto_free_hash(tfm); -+ -+ return retval; -+} -diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h -index 5bdab6b..9ae82fe 100644 ---- a/include/asm-generic/4level-fixup.h -+++ b/include/asm-generic/4level-fixup.h -@@ -14,8 +14,10 @@ - #define pmd_alloc(mm, pud, address) \ - ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \ - NULL: pmd_offset(pud, address)) -+#define pmd_alloc_kernel(mm, pud, address) pmd_alloc((mm), (pud), (address)) - - #define pud_alloc(mm, pgd, address) (pgd) -+#define pud_alloc_kernel(mm, pgd, address) pud_alloc((mm), (pgd), (address)) - #define pud_offset(pgd, start) (pgd) - #define pud_none(pud) 0 - #define pud_bad(pud) 0 -diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h -index b7babf0..1e4b4f1 100644 ---- a/include/asm-generic/atomic-long.h -+++ b/include/asm-generic/atomic-long.h -@@ -22,6 +22,12 @@ - - typedef atomic64_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic64_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic64_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) - - static inline long atomic_long_read(atomic_long_t *l) -@@ -31,6 +37,15 @@ static inline long atomic_long_read(atomic_long_t *l) - return (long)atomic64_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic64_t *v = (atomic64_t *)l; -@@ -38,6 +53,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i) - atomic64_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomic_long_t *l) - atomic64_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomic_long_t *l) - atomic64_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -59,6 +101,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l) - atomic64_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -66,6 +117,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) - atomic64_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -94,13 +154,22 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l) - return atomic64_add_negative(i, v); - } - --static inline long atomic_long_add_return(long i, atomic_long_t *l) -+static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_add_return(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_add_return_unchecked(i, v); -+} -+#endif -+ - static inline long atomic_long_sub_return(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -115,6 +184,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l) - return (long)atomic64_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -140,6 +218,12 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) - - typedef atomic_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) - static inline long atomic_long_read(atomic_long_t *l) - { -@@ -148,6 +232,15 @@ static inline long atomic_long_read(atomic_long_t *l) - return (long)atomic_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic_t *v = (atomic_t *)l; -@@ -155,6 +248,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i) - atomic_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -162,6 +264,15 @@ static inline void atomic_long_inc(atomic_long_t *l) - atomic_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -169,6 +280,15 @@ static inline void atomic_long_dec(atomic_long_t *l) - atomic_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -176,6 +296,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l) - atomic_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -183,6 +312,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) - atomic_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -211,13 +349,23 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l) - return atomic_add_negative(i, v); - } - --static inline long atomic_long_add_return(long i, atomic_long_t *l) -+static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; - - return (long)atomic_add_return(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_add_return_unchecked(i, v); -+} -+ -+#endif -+ - static inline long atomic_long_sub_return(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -232,6 +380,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l) - return (long)atomic_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -255,4 +412,57 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) - - #endif /* BITS_PER_LONG == 64 */ - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void pax_refcount_needs_these_functions(void) -+{ -+ atomic_read_unchecked((atomic_unchecked_t *)NULL); -+ atomic_set_unchecked((atomic_unchecked_t *)NULL, 0); -+ atomic_add_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_inc_unchecked((atomic_unchecked_t *)NULL); -+ (void)atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL); -+ atomic_inc_return_unchecked((atomic_unchecked_t *)NULL); -+ atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_dec_unchecked((atomic_unchecked_t *)NULL); -+ atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0); -+ (void)atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0); -+#ifdef CONFIG_X86 -+ atomic_clear_mask_unchecked(0, NULL); -+ atomic_set_mask_unchecked(0, NULL); -+#endif -+ -+ atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0); -+ atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_add_return_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL); -+} -+#else -+#define atomic_read_unchecked(v) atomic_read(v) -+#define atomic_set_unchecked(v, i) atomic_set((v), (i)) -+#define atomic_add_unchecked(i, v) atomic_add((i), (v)) -+#define atomic_sub_unchecked(i, v) atomic_sub((i), (v)) -+#define atomic_inc_unchecked(v) atomic_inc(v) -+#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v) -+#define atomic_inc_return_unchecked(v) atomic_inc_return(v) -+#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v)) -+#define atomic_dec_unchecked(v) atomic_dec(v) -+#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n)) -+#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i)) -+#define atomic_clear_mask_unchecked(mask, v) atomic_clear_mask((mask), (v)) -+#define atomic_set_mask_unchecked(mask, v) atomic_set_mask((mask), (v)) -+ -+#define atomic_long_read_unchecked(v) atomic_long_read(v) -+#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i)) -+#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v)) -+#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v)) -+#define atomic_long_inc_unchecked(v) atomic_long_inc(v) -+#define atomic_long_add_return_unchecked(i, v) atomic_long_add_return((i), (v)) -+#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v) -+#define atomic_long_dec_unchecked(v) atomic_long_dec(v) -+#endif -+ - #endif /* _ASM_GENERIC_ATOMIC_LONG_H */ -diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h -index 30ad9c8..c70c170 100644 ---- a/include/asm-generic/atomic64.h -+++ b/include/asm-generic/atomic64.h -@@ -16,6 +16,8 @@ typedef struct { - long long counter; - } atomic64_t; - -+typedef atomic64_t atomic64_unchecked_t; -+ - #define ATOMIC64_INIT(i) { (i) } - - extern long long atomic64_read(const atomic64_t *v); -@@ -51,4 +53,14 @@ extern int atomic64_add_unless(atomic64_t *v, long long a, long long u); - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ASM_GENERIC_ATOMIC64_H */ -diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h -index f5c40b0..e902f9d 100644 ---- a/include/asm-generic/barrier.h -+++ b/include/asm-generic/barrier.h -@@ -82,7 +82,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h -index a60a7cc..0fe12f2 100644 ---- a/include/asm-generic/bitops/__fls.h -+++ b/include/asm-generic/bitops/__fls.h -@@ -9,7 +9,7 @@ - * - * Undefined if no set bit exists, so code should check against 0 first. - */ --static __always_inline unsigned long __fls(unsigned long word) -+static __always_inline unsigned long __intentional_overflow(-1) __fls(unsigned long word) - { - int num = BITS_PER_LONG - 1; - -diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h -index 0576d1f..dad6c71 100644 ---- a/include/asm-generic/bitops/fls.h -+++ b/include/asm-generic/bitops/fls.h -@@ -9,7 +9,7 @@ - * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. - */ - --static __always_inline int fls(int x) -+static __always_inline int __intentional_overflow(-1) fls(int x) - { - int r = 32; - -diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h -index b097cf8..3d40e14 100644 ---- a/include/asm-generic/bitops/fls64.h -+++ b/include/asm-generic/bitops/fls64.h -@@ -15,7 +15,7 @@ - * at position 64. - */ - #if BITS_PER_LONG == 32 --static __always_inline int fls64(__u64 x) -+static __always_inline int __intentional_overflow(-1) fls64(__u64 x) - { - __u32 h = x >> 32; - if (h) -@@ -23,7 +23,7 @@ static __always_inline int fls64(__u64 x) - return fls(x); - } - #elif BITS_PER_LONG == 64 --static __always_inline int fls64(__u64 x) -+static __always_inline int __intentional_overflow(-1) fls64(__u64 x) - { - if (x == 0) - return 0; -diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h -index 630dd23..8c1dcb6b 100644 ---- a/include/asm-generic/bug.h -+++ b/include/asm-generic/bug.h -@@ -62,13 +62,13 @@ struct bug_entry { - * to provide better diagnostics. - */ - #ifndef __WARN_TAINT --extern __printf(3, 4) -+extern __printf(3, 4) __nocapture(1, 3, 4) - void warn_slowpath_fmt(const char *file, const int line, - const char *fmt, ...); --extern __printf(4, 5) -+extern __printf(4, 5) __nocapture(1, 4, 5) - void warn_slowpath_fmt_taint(const char *file, const int line, unsigned taint, - const char *fmt, ...); --extern void warn_slowpath_null(const char *file, const int line); -+extern __nocapture(1) void warn_slowpath_null(const char *file, const int line); - #define WANT_WARN_ON_SLOWPATH - #define __WARN() warn_slowpath_null(__FILE__, __LINE__) - #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) -diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h -index 1bfcfe5..e04c5c9 100644 ---- a/include/asm-generic/cache.h -+++ b/include/asm-generic/cache.h -@@ -6,7 +6,7 @@ - * cache lines need to provide their own cache.h. - */ - --#define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5UL -+#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT) - - #endif /* __ASM_GENERIC_CACHE_H */ -diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h -index 0d68a1e..b74a761 100644 ---- a/include/asm-generic/emergency-restart.h -+++ b/include/asm-generic/emergency-restart.h -@@ -1,7 +1,7 @@ - #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H - #define _ASM_GENERIC_EMERGENCY_RESTART_H - --static inline void machine_emergency_restart(void) -+static inline __noreturn void machine_emergency_restart(void) - { - machine_restart(NULL); - } -diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h -index 90f99c7..00ce236 100644 ---- a/include/asm-generic/kmap_types.h -+++ b/include/asm-generic/kmap_types.h -@@ -2,9 +2,9 @@ - #define _ASM_GENERIC_KMAP_TYPES_H - - #ifdef __WITH_KM_FENCE --# define KM_TYPE_NR 41 -+# define KM_TYPE_NR 42 - #else --# define KM_TYPE_NR 20 -+# define KM_TYPE_NR 21 - #endif - - #endif -diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h -index 9ceb03b..62b0b8f 100644 ---- a/include/asm-generic/local.h -+++ b/include/asm-generic/local.h -@@ -23,24 +23,37 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l,i) atomic_long_set((&(l)->a),(i)) -+#define local_set_unchecked(l,i) atomic_long_set_unchecked((&(l)->a),(i)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - #define local_add(i,l) atomic_long_add((i),(&(l)->a)) -+#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a)) - #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -+#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a)) - - #define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a)) - #define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a) - #define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a) - #define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a)) - #define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a)) -+#define local_add_return_unchecked(i, l) atomic_long_add_return_unchecked((i), (&(l)->a)) - #define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a)) - #define local_inc_return(l) atomic_long_inc_return(&(l)->a) -+#define local_dec_return(l) atomic_long_dec_return(&(l)->a) - - #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n)) -+#define local_cmpxchg_unchecked(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n)) - #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n)) - #define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u)) - #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a) -diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h -index 725612b..9cc513a 100644 ---- a/include/asm-generic/pgtable-nopmd.h -+++ b/include/asm-generic/pgtable-nopmd.h -@@ -1,14 +1,19 @@ - #ifndef _PGTABLE_NOPMD_H - #define _PGTABLE_NOPMD_H - --#ifndef __ASSEMBLY__ -- - #include <asm-generic/pgtable-nopud.h> - --struct mm_struct; -- - #define __PAGETABLE_PMD_FOLDED - -+#define PMD_SHIFT PUD_SHIFT -+#define PTRS_PER_PMD 1 -+#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) -+#define PMD_MASK (~(PMD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ -+struct mm_struct; -+ - /* - * Having the pmd type consist of a pud gets the size right, and allows - * us to conceptually access the pud entry that this pmd is folded into -@@ -16,11 +21,6 @@ struct mm_struct; - */ - typedef struct { pud_t pud; } pmd_t; - --#define PMD_SHIFT PUD_SHIFT --#define PTRS_PER_PMD 1 --#define PMD_SIZE (1UL << PMD_SHIFT) --#define PMD_MASK (~(PMD_SIZE-1)) -- - /* - * The "pud_xxx()" functions here are trivial for a folded two-level - * setup: the pmd is never bad, and a pmd always exists (as it's folded -diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h -index 810431d..0ec4804f 100644 ---- a/include/asm-generic/pgtable-nopud.h -+++ b/include/asm-generic/pgtable-nopud.h -@@ -1,10 +1,15 @@ - #ifndef _PGTABLE_NOPUD_H - #define _PGTABLE_NOPUD_H - --#ifndef __ASSEMBLY__ -- - #define __PAGETABLE_PUD_FOLDED - -+#define PUD_SHIFT PGDIR_SHIFT -+#define PTRS_PER_PUD 1 -+#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT) -+#define PUD_MASK (~(PUD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ - /* - * Having the pud type consist of a pgd gets the size right, and allows - * us to conceptually access the pgd entry that this pud is folded into -@@ -12,11 +17,6 @@ - */ - typedef struct { pgd_t pgd; } pud_t; - --#define PUD_SHIFT PGDIR_SHIFT --#define PTRS_PER_PUD 1 --#define PUD_SIZE (1UL << PUD_SHIFT) --#define PUD_MASK (~(PUD_SIZE-1)) -- - /* - * The "pgd_xxx()" functions here are trivial for a folded two-level - * setup: the pud is never bad, and a pud always exists (as it's folded -@@ -29,6 +29,7 @@ static inline void pgd_clear(pgd_t *pgd) { } - #define pud_ERROR(pud) (pgd_ERROR((pud).pgd)) - - #define pgd_populate(mm, pgd, pud) do { } while (0) -+#define pgd_populate_kernel(mm, pgd, pud) do { } while (0) - /* - * (puds are folded into pgds so this doesn't get actually called, - * but the define is needed for a generic inline function.) -diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h -index 39f1d6a..7dae6fb 100644 ---- a/include/asm-generic/pgtable.h -+++ b/include/asm-generic/pgtable.h -@@ -695,6 +695,22 @@ static inline int pmd_protnone(pmd_t pmd) - } - #endif /* CONFIG_NUMA_BALANCING */ - -+#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires pax_open_kernel -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+#endif -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires pax_close_kernel -+#else -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+#endif -+ - #endif /* CONFIG_MMU */ - - #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP -diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h -index 72d8803..cb9749c 100644 ---- a/include/asm-generic/uaccess.h -+++ b/include/asm-generic/uaccess.h -@@ -343,4 +343,20 @@ clear_user(void __user *to, unsigned long n) - return __clear_user(to, n); - } - -+#ifndef __HAVE_ARCH_PAX_OPEN_USERLAND -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#error UDEREF requires pax_open_userland -+#else -+static inline unsigned long pax_open_userland(void) { return 0; } -+#endif -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_USERLAND -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#error UDEREF requires pax_close_userland -+#else -+static inline unsigned long pax_close_userland(void) { return 0; } -+#endif -+#endif -+ - #endif /* __ASM_GENERIC_UACCESS_H */ -diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h -index 8bd374d..9590e70 100644 ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -246,6 +246,7 @@ - .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_rodata) = .; \ - *(.rodata) *(.rodata.*) \ -+ *(.data..read_only) \ - *(__vermagic) /* Kernel version magic */ \ - . = ALIGN(8); \ - VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \ -@@ -504,6 +505,7 @@ - KERNEL_CTORS() \ - MCOUNT_REC() \ - *(.init.rodata) \ -+ *(.init.rodata.*) \ - FTRACE_EVENTS() \ - TRACE_SYSCALLS() \ - KPROBE_BLACKLIST() \ -@@ -525,6 +527,8 @@ - - #define EXIT_DATA \ - *(.exit.data) \ -+ *(.exit.rodata) \ -+ *(.exit.rodata.*) \ - MEM_DISCARD(exit.data) \ - MEM_DISCARD(exit.rodata) - -@@ -741,17 +745,18 @@ - * section in the linker script will go there too. @phdr should have - * a leading colon. - * -- * Note that this macros defines __per_cpu_load as an absolute symbol. -+ * Note that this macros defines per_cpu_load as an absolute symbol. - * If there is no need to put the percpu section at a predetermined - * address, use PERCPU_SECTION. - */ - #define PERCPU_VADDR(cacheline, vaddr, phdr) \ -- VMLINUX_SYMBOL(__per_cpu_load) = .; \ -- .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ -+ per_cpu_load = .; \ -+ .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \ - - LOAD_OFFSET) { \ -+ VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \ - PERCPU_INPUT(cacheline) \ - } phdr \ -- . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu); -+ . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu); - - /** - * PERCPU_SECTION - define output section for percpu area, simple version -diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h -index 0ecb768..f910132 100644 ---- a/include/crypto/algapi.h -+++ b/include/crypto/algapi.h -@@ -34,7 +34,7 @@ struct crypto_type { - unsigned int maskclear; - unsigned int maskset; - unsigned int tfmsize; --}; -+} __do_const; - - struct crypto_instance { - struct crypto_alg alg; -diff --git a/include/drm/drmP.h b/include/drm/drmP.h -index 62c40777..f980496 100644 ---- a/include/drm/drmP.h -+++ b/include/drm/drmP.h -@@ -59,6 +59,7 @@ - - #include <asm/mman.h> - #include <asm/pgalloc.h> -+#include <asm/local.h> - #include <asm/uaccess.h> - - #include <uapi/drm/drm.h> -@@ -137,17 +138,18 @@ void drm_err(const char *format, ...); - /*@{*/ - - /* driver capabilities and requirements mask */ --#define DRIVER_USE_AGP 0x1 --#define DRIVER_PCI_DMA 0x8 --#define DRIVER_SG 0x10 --#define DRIVER_HAVE_DMA 0x20 --#define DRIVER_HAVE_IRQ 0x40 --#define DRIVER_IRQ_SHARED 0x80 --#define DRIVER_GEM 0x1000 --#define DRIVER_MODESET 0x2000 --#define DRIVER_PRIME 0x4000 --#define DRIVER_RENDER 0x8000 --#define DRIVER_ATOMIC 0x10000 -+#define DRIVER_USE_AGP 0x1 -+#define DRIVER_PCI_DMA 0x8 -+#define DRIVER_SG 0x10 -+#define DRIVER_HAVE_DMA 0x20 -+#define DRIVER_HAVE_IRQ 0x40 -+#define DRIVER_IRQ_SHARED 0x80 -+#define DRIVER_GEM 0x1000 -+#define DRIVER_MODESET 0x2000 -+#define DRIVER_PRIME 0x4000 -+#define DRIVER_RENDER 0x8000 -+#define DRIVER_ATOMIC 0x10000 -+#define DRIVER_KMS_LEGACY_CONTEXT 0x20000 - - /***********************************************************************/ - /** \name Macros to make printk easier */ -@@ -233,10 +235,12 @@ void drm_err(const char *format, ...); - * \param cmd command. - * \param arg argument. - */ --typedef int drm_ioctl_t(struct drm_device *dev, void *data, -+typedef int (* const drm_ioctl_t)(struct drm_device *dev, void *data, -+ struct drm_file *file_priv); -+typedef int (* drm_ioctl_no_const_t)(struct drm_device *dev, void *data, - struct drm_file *file_priv); - --typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, -+typedef int (* const drm_ioctl_compat_t)(struct file *filp, unsigned int cmd, - unsigned long arg); - - #define DRM_IOCTL_NR(n) _IOC_NR(n) -@@ -252,9 +256,9 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, - struct drm_ioctl_desc { - unsigned int cmd; - int flags; -- drm_ioctl_t *func; -+ drm_ioctl_t func; - const char *name; --}; -+} __do_const; - - /** - * Creates a driver or general drm_ioctl_desc array entry for the given -@@ -645,7 +649,8 @@ struct drm_info_list { - int (*show)(struct seq_file*, void*); /** show callback */ - u32 driver_features; /**< Required driver features for this entry */ - void *data; --}; -+} __do_const; -+typedef struct drm_info_list __no_const drm_info_list_no_const; - - /** - * debugfs node structure. This structure represents a debugfs file. -@@ -729,7 +734,7 @@ struct drm_device { - - /** \name Usage Counters */ - /*@{ */ -- int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ -+ local_t open_count; /**< Outstanding files open, protected by drm_global_mutex. */ - spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ - int buf_use; /**< Buffers in use -- cannot alloc */ - atomic_t buf_alloc; /**< Buffer allocation in progress */ -diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h -index c8fc187..079d4c2 100644 ---- a/include/drm/drm_crtc_helper.h -+++ b/include/drm/drm_crtc_helper.h -@@ -161,7 +161,7 @@ struct drm_encoder_helper_funcs { - int (*atomic_check)(struct drm_encoder *encoder, - struct drm_crtc_state *crtc_state, - struct drm_connector_state *conn_state); --}; -+} __no_const; - - /** - * struct drm_connector_helper_funcs - helper operations for connectors -diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h -index 6133723..4c1fccb 100644 ---- a/include/drm/i915_pciids.h -+++ b/include/drm/i915_pciids.h -@@ -37,7 +37,7 @@ - */ - #define INTEL_VGA_DEVICE(id, info) { \ - 0x8086, id, \ -- ~0, ~0, \ -+ PCI_ANY_ID, PCI_ANY_ID, \ - 0x030000, 0xff0000, \ - (unsigned long) info } - -diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h -index 72dcbe8..8db58d7 100644 ---- a/include/drm/ttm/ttm_memory.h -+++ b/include/drm/ttm/ttm_memory.h -@@ -48,7 +48,7 @@ - - struct ttm_mem_shrink { - int (*do_shrink) (struct ttm_mem_shrink *); --}; -+} __no_const; - - /** - * struct ttm_mem_global - Global memory accounting structure. -diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h -index 49a8284..9643967 100644 ---- a/include/drm/ttm/ttm_page_alloc.h -+++ b/include/drm/ttm/ttm_page_alloc.h -@@ -80,6 +80,7 @@ void ttm_dma_page_alloc_fini(void); - */ - extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); - -+struct device; - extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); - extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); - -diff --git a/include/keys/asymmetric-subtype.h b/include/keys/asymmetric-subtype.h -index 4b840e8..155d235 100644 ---- a/include/keys/asymmetric-subtype.h -+++ b/include/keys/asymmetric-subtype.h -@@ -37,7 +37,7 @@ struct asymmetric_key_subtype { - /* Verify the signature on a key of this subtype (optional) */ - int (*verify_signature)(const struct key *key, - const struct public_key_signature *sig); --}; -+} __do_const; - - /** - * asymmetric_key_subtype - Get the subtype from an asymmetric key -diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h -index c1da539..1dcec55 100644 ---- a/include/linux/atmdev.h -+++ b/include/linux/atmdev.h -@@ -28,7 +28,7 @@ struct compat_atm_iobuf { - #endif - - struct k_atm_aal_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - }; -@@ -200,7 +200,7 @@ struct atmdev_ops { /* only send is required */ - int (*change_qos)(struct atm_vcc *vcc,struct atm_qos *qos,int flags); - int (*proc_read)(struct atm_dev *dev,loff_t *pos,char *page); - struct module *owner; --}; -+} __do_const ; - - struct atmphy_ops { - int (*start)(struct atm_dev *dev); -diff --git a/include/linux/atomic.h b/include/linux/atomic.h -index 5b08a85..60922fb 100644 ---- a/include/linux/atomic.h -+++ b/include/linux/atomic.h -@@ -12,7 +12,7 @@ - * Atomically adds @a to @v, so long as @v was not already @u. - * Returns non-zero if @v was not @u, and zero otherwise. - */ --static inline int atomic_add_unless(atomic_t *v, int a, int u) -+static inline int __intentional_overflow(-1) atomic_add_unless(atomic_t *v, int a, int u) - { - return __atomic_add_unless(v, a, u) != u; - } -diff --git a/include/linux/audit.h b/include/linux/audit.h -index c2e7e3a..8bfc0e1 100644 ---- a/include/linux/audit.h -+++ b/include/linux/audit.h -@@ -223,7 +223,7 @@ static inline void audit_ptrace(struct task_struct *t) - extern unsigned int audit_serial(void); - extern int auditsc_get_stamp(struct audit_context *ctx, - struct timespec *t, unsigned int *serial); --extern int audit_set_loginuid(kuid_t loginuid); -+extern int __intentional_overflow(-1) audit_set_loginuid(kuid_t loginuid); - - static inline kuid_t audit_get_loginuid(struct task_struct *tsk) - { -diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h -index 576e463..28fd926 100644 ---- a/include/linux/binfmts.h -+++ b/include/linux/binfmts.h -@@ -44,7 +44,7 @@ struct linux_binprm { - unsigned interp_flags; - unsigned interp_data; - unsigned long loader, exec; --}; -+} __randomize_layout; - - #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0 - #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT) -@@ -77,8 +77,10 @@ struct linux_binfmt { - int (*load_binary)(struct linux_binprm *); - int (*load_shlib)(struct file *); - int (*core_dump)(struct coredump_params *cprm); -+ void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags); -+ void (*handle_mmap)(struct file *); - unsigned long min_coredump; /* minimal dump size */ --}; -+} __do_const __randomize_layout; - - extern void __register_binfmt(struct linux_binfmt *fmt, int insert); - -diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h -index ea17cca..dd56e56 100644 ---- a/include/linux/bitmap.h -+++ b/include/linux/bitmap.h -@@ -295,7 +295,7 @@ static inline int bitmap_full(const unsigned long *src, unsigned int nbits) - return find_first_zero_bit(src, nbits) == nbits; - } - --static inline int bitmap_weight(const unsigned long *src, unsigned int nbits) -+static inline int __intentional_overflow(-1) bitmap_weight(const unsigned long *src, unsigned int nbits) - { - if (small_const_nbits(nbits)) - return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); -diff --git a/include/linux/bitops.h b/include/linux/bitops.h -index 297f5bd..0b6d1e8 100644 ---- a/include/linux/bitops.h -+++ b/include/linux/bitops.h -@@ -105,7 +105,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift) - * @word: value to rotate - * @shift: bits to roll - */ --static inline __u32 rol32(__u32 word, unsigned int shift) -+static inline __u32 __intentional_overflow(-1) rol32(__u32 word, unsigned int shift) - { - return (word << shift) | (word >> (32 - shift)); - } -@@ -115,7 +115,7 @@ static inline __u32 rol32(__u32 word, unsigned int shift) - * @word: value to rotate - * @shift: bits to roll - */ --static inline __u32 ror32(__u32 word, unsigned int shift) -+static inline __u32 __intentional_overflow(-1) ror32(__u32 word, unsigned int shift) - { - return (word >> shift) | (word << (32 - shift)); - } -@@ -171,7 +171,7 @@ static inline __s32 sign_extend32(__u32 value, int index) - return (__s32)(value << shift) >> shift; - } - --static inline unsigned fls_long(unsigned long l) -+static inline unsigned __intentional_overflow(-1) fls_long(unsigned long l) - { - if (sizeof(l) == 4) - return fls(l); -diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h -index 5d93a66..978c4a0 100644 ---- a/include/linux/blkdev.h -+++ b/include/linux/blkdev.h -@@ -1614,7 +1614,7 @@ struct block_device_operations { - /* this callback is with swap_lock and sometimes page table lock held */ - void (*swap_slot_free_notify) (struct block_device *, unsigned long); - struct module *owner; --}; -+} __do_const; - - extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int, - unsigned long); -diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h -index afc1343..9735539 100644 ---- a/include/linux/blktrace_api.h -+++ b/include/linux/blktrace_api.h -@@ -25,7 +25,7 @@ struct blk_trace { - struct dentry *dropped_file; - struct dentry *msg_file; - struct list_head running_list; -- atomic_t dropped; -+ atomic_unchecked_t dropped; - }; - - extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); -diff --git a/include/linux/cache.h b/include/linux/cache.h -index 17e7e82..1d7da26 100644 ---- a/include/linux/cache.h -+++ b/include/linux/cache.h -@@ -16,6 +16,14 @@ - #define __read_mostly - #endif - -+#ifndef __read_only -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires __read_only -+#else -+#define __read_only __read_mostly -+#endif -+#endif -+ - #ifndef ____cacheline_aligned - #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES))) - #endif -diff --git a/include/linux/capability.h b/include/linux/capability.h -index af9f0b9..71a5e5c 100644 ---- a/include/linux/capability.h -+++ b/include/linux/capability.h -@@ -237,15 +237,28 @@ static inline bool capable(int cap) - { - return true; - } -+static inline bool capable_nolog(int cap) -+{ -+ return true; -+} - static inline bool ns_capable(struct user_namespace *ns, int cap) - { - return true; - } -+static inline bool ns_capable_nolog(struct user_namespace *ns, int cap) -+{ -+ return true; -+} - #endif /* CONFIG_MULTIUSER */ - extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap); -+extern bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap); - extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); -+extern bool capable_nolog(int cap); -+extern bool ns_capable_nolog(struct user_namespace *ns, int cap); - - /* audit system wants to get cap info from files as well */ - extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); - -+extern int is_privileged_binary(const struct dentry *dentry); -+ - #endif /* !_LINUX_CAPABILITY_H */ -diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h -index 8609d57..86e4d79 100644 ---- a/include/linux/cdrom.h -+++ b/include/linux/cdrom.h -@@ -87,7 +87,6 @@ struct cdrom_device_ops { - - /* driver specifications */ - const int capability; /* capability flags */ -- int n_minors; /* number of active minor devices */ - /* handle uniform packets for scsi type devices (scsi,atapi) */ - int (*generic_packet) (struct cdrom_device_info *, - struct packet_command *); -diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h -index bda5ec0b4..51d8ea1 100644 ---- a/include/linux/cleancache.h -+++ b/include/linux/cleancache.h -@@ -35,7 +35,7 @@ struct cleancache_ops { - void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t); - void (*invalidate_inode)(int, struct cleancache_filekey); - void (*invalidate_fs)(int); --}; -+} __no_const; - - extern int cleancache_register_ops(struct cleancache_ops *ops); - extern void __cleancache_init_fs(struct super_block *); -diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h -index df69531..0180e68 100644 ---- a/include/linux/clk-provider.h -+++ b/include/linux/clk-provider.h -@@ -195,6 +195,7 @@ struct clk_ops { - void (*init)(struct clk_hw *hw); - int (*debug_init)(struct clk_hw *hw, struct dentry *dentry); - }; -+typedef struct clk_ops __no_const clk_ops_no_const; - - /** - * struct clk_init_data - holds init data that's common to all clocks and is -@@ -209,7 +210,7 @@ struct clk_ops { - struct clk_init_data { - const char *name; - const struct clk_ops *ops; -- const char **parent_names; -+ const char * const *parent_names; - u8 num_parents; - unsigned long flags; - }; -@@ -426,12 +427,12 @@ extern const struct clk_ops clk_mux_ops; - extern const struct clk_ops clk_mux_ro_ops; - - struct clk *clk_register_mux(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_mux_flags, spinlock_t *lock); - - struct clk *clk_register_mux_table(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u32 mask, - u8 clk_mux_flags, u32 *table, spinlock_t *lock); - -diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h -index 94bad77..a39e810 100644 ---- a/include/linux/clkdev.h -+++ b/include/linux/clkdev.h -@@ -32,7 +32,7 @@ struct clk_lookup { - } - - struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, -- const char *dev_fmt, ...); -+ const char *dev_fmt, ...) __printf(3, 4); - - void clkdev_add(struct clk_lookup *cl); - void clkdev_drop(struct clk_lookup *cl); -@@ -40,7 +40,8 @@ void clkdev_drop(struct clk_lookup *cl); - void clkdev_add_table(struct clk_lookup *, size_t); - int clk_add_alias(const char *, const char *, char *, struct device *); - --int clk_register_clkdev(struct clk *, const char *, const char *, ...); -+int clk_register_clkdev(struct clk *, const char *, const char *, ...) -+ __printf(3, 4); - int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); - - #ifdef CONFIG_COMMON_CLK -diff --git a/include/linux/compat.h b/include/linux/compat.h -index ab25814..63b52db 100644 ---- a/include/linux/compat.h -+++ b/include/linux/compat.h -@@ -316,7 +316,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, - compat_size_t __user *len_ptr); - - asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); --asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); -+asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg) __intentional_overflow(0); - asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); - asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, - compat_ssize_t msgsz, int msgflg); -@@ -325,7 +325,7 @@ asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, - long compat_sys_msgctl(int first, int second, void __user *uptr); - long compat_sys_shmctl(int first, int second, void __user *uptr); - long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, -- unsigned nsems, const struct compat_timespec __user *timeout); -+ compat_long_t nsems, const struct compat_timespec __user *timeout); - asmlinkage long compat_sys_keyctl(u32 option, - u32 arg2, u32 arg3, u32 arg4, u32 arg5); - asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); -@@ -424,7 +424,7 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, - - asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); - --extern int compat_printk(const char *fmt, ...); -+extern __printf(1, 2) int compat_printk(const char *fmt, ...); - extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); - extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); - -@@ -439,7 +439,7 @@ extern int compat_ptrace_request(struct task_struct *child, - extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - compat_ulong_t addr, compat_ulong_t data); - asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, -- compat_long_t addr, compat_long_t data); -+ compat_ulong_t addr, compat_ulong_t data); - - asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); - /* -diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h -index 371e560..e2e4e3e 100644 ---- a/include/linux/compiler-gcc.h -+++ b/include/linux/compiler-gcc.h -@@ -108,8 +108,8 @@ - */ - #define __pure __attribute__((pure)) - #define __aligned(x) __attribute__((aligned(x))) --#define __printf(a, b) __attribute__((format(printf, a, b))) --#define __scanf(a, b) __attribute__((format(scanf, a, b))) -+#define __printf(a, b) __attribute__((format(printf, a, b))) __nocapture(a, b) -+#define __scanf(a, b) __attribute__((format(scanf, a, b))) __nocapture(a, b) - #define noinline __attribute__((noinline)) - #define __attribute_const__ __attribute__((__const__)) - #define __maybe_unused __attribute__((unused)) -diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h -index 769e198..7ee7cb5 100644 ---- a/include/linux/compiler-gcc4.h -+++ b/include/linux/compiler-gcc4.h -@@ -39,9 +39,38 @@ - # define __compiletime_warning(message) __attribute__((warning(message))) - # define __compiletime_error(message) __attribute__((error(message))) - #endif /* __CHECKER__ */ -+ -+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__))) -+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg)) -+#define __bos0(ptr) __bos((ptr), 0) -+#define __bos1(ptr) __bos((ptr), 1) - #endif /* GCC_VERSION >= 40300 */ - - #if GCC_VERSION >= 40500 -+ -+#ifdef RANDSTRUCT_PLUGIN -+#define __randomize_layout __attribute__((randomize_layout)) -+#define __no_randomize_layout __attribute__((no_randomize_layout)) -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define __no_const __attribute__((no_const)) -+#define __do_const __attribute__((do_const)) -+#endif -+ -+#ifdef SIZE_OVERFLOW_PLUGIN -+#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__))) -+#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__))) -+#endif -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+#define __latent_entropy __attribute__((latent_entropy)) -+#endif -+ -+#ifdef INITIFY_PLUGIN -+#define __nocapture(...) __attribute__((nocapture(__VA_ARGS__))) -+#endif -+ - /* - * Mark a position in code as unreachable. This can be used to - * suppress control flow warnings after asm blocks that transfer -diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h -index efee493..8aa8f6b 100644 ---- a/include/linux/compiler-gcc5.h -+++ b/include/linux/compiler-gcc5.h -@@ -28,6 +28,34 @@ - # define __compiletime_error(message) __attribute__((error(message))) - #endif /* __CHECKER__ */ - -+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__))) -+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg)) -+#define __bos0(ptr) __bos((ptr), 0) -+#define __bos1(ptr) __bos((ptr), 1) -+ -+#ifdef RANDSTRUCT_PLUGIN -+#define __randomize_layout __attribute__((randomize_layout)) -+#define __no_randomize_layout __attribute__((no_randomize_layout)) -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define __no_const __attribute__((no_const)) -+#define __do_const __attribute__((do_const)) -+#endif -+ -+#ifdef SIZE_OVERFLOW_PLUGIN -+#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__))) -+#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__))) -+#endif -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+#define __latent_entropy __attribute__((latent_entropy)) -+#endif -+ -+#ifdef INITIFY_PLUGIN -+#define __nocapture(...) __attribute__((nocapture(__VA_ARGS__))) -+#endif -+ - /* - * Mark a position in code as unreachable. This can be used to - * suppress control flow warnings after asm blocks that transfer -diff --git a/include/linux/compiler.h b/include/linux/compiler.h -index 8677225..2d49df1 100644 ---- a/include/linux/compiler.h -+++ b/include/linux/compiler.h -@@ -5,11 +5,14 @@ - - #ifdef __CHECKER__ - # define __user __attribute__((noderef, address_space(1))) -+# define __force_user __force __user - # define __kernel __attribute__((address_space(0))) -+# define __force_kernel __force __kernel - # define __safe __attribute__((safe)) - # define __force __attribute__((force)) - # define __nocast __attribute__((nocast)) - # define __iomem __attribute__((noderef, address_space(2))) -+# define __force_iomem __force __iomem - # define __must_hold(x) __attribute__((context(x,1,1))) - # define __acquires(x) __attribute__((context(x,0,1))) - # define __releases(x) __attribute__((context(x,1,0))) -@@ -17,20 +20,37 @@ - # define __release(x) __context__(x,-1) - # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) - # define __percpu __attribute__((noderef, address_space(3))) -+# define __force_percpu __force __percpu - #ifdef CONFIG_SPARSE_RCU_POINTER - # define __rcu __attribute__((noderef, address_space(4))) -+# define __force_rcu __force __rcu - #else - # define __rcu -+# define __force_rcu - #endif - extern void __chk_user_ptr(const volatile void __user *); - extern void __chk_io_ptr(const volatile void __iomem *); - #else --# define __user --# define __kernel -+# ifdef CHECKER_PLUGIN -+//# define __user -+//# define __force_user -+//# define __kernel -+//# define __force_kernel -+# else -+# ifdef STRUCTLEAK_PLUGIN -+# define __user __attribute__((user)) -+# else -+# define __user -+# endif -+# define __force_user -+# define __kernel -+# define __force_kernel -+# endif - # define __safe - # define __force - # define __nocast - # define __iomem -+# define __force_iomem - # define __chk_user_ptr(x) (void)0 - # define __chk_io_ptr(x) (void)0 - # define __builtin_warning(x, y...) (1) -@@ -41,7 +61,9 @@ extern void __chk_io_ptr(const volatile void __iomem *); - # define __release(x) (void)0 - # define __cond_lock(x,c) (c) - # define __percpu -+# define __force_percpu - # define __rcu -+# define __force_rcu - #endif - - /* Indirect macros required for expanded argument pasting, eg. __LINE__. */ -@@ -199,27 +221,27 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); - static __always_inline void __read_once_size(const volatile void *p, void *res, int size) - { - switch (size) { -- case 1: *(__u8 *)res = *(volatile __u8 *)p; break; -- case 2: *(__u16 *)res = *(volatile __u16 *)p; break; -- case 4: *(__u32 *)res = *(volatile __u32 *)p; break; -- case 8: *(__u64 *)res = *(volatile __u64 *)p; break; -+ case 1: *(__u8 *)res = *(const volatile __u8 *)p; break; -+ case 2: *(__u16 *)res = *(const volatile __u16 *)p; break; -+ case 4: *(__u32 *)res = *(const volatile __u32 *)p; break; -+ case 8: *(__u64 *)res = *(const volatile __u64 *)p; break; - default: - barrier(); -- __builtin_memcpy((void *)res, (const void *)p, size); -+ __builtin_memcpy(res, (const void *)p, size); - barrier(); - } - } - --static __always_inline void __write_once_size(volatile void *p, void *res, int size) -+static __always_inline void __write_once_size(volatile void *p, const void *res, int size) - { - switch (size) { -- case 1: *(volatile __u8 *)p = *(__u8 *)res; break; -- case 2: *(volatile __u16 *)p = *(__u16 *)res; break; -- case 4: *(volatile __u32 *)p = *(__u32 *)res; break; -- case 8: *(volatile __u64 *)p = *(__u64 *)res; break; -+ case 1: *(volatile __u8 *)p = *(const __u8 *)res; break; -+ case 2: *(volatile __u16 *)p = *(const __u16 *)res; break; -+ case 4: *(volatile __u32 *)p = *(const __u32 *)res; break; -+ case 8: *(volatile __u64 *)p = *(const __u64 *)res; break; - default: - barrier(); -- __builtin_memcpy((void *)p, (const void *)res, size); -+ __builtin_memcpy((void *)p, res, size); - barrier(); - } - } -@@ -352,6 +374,38 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - # define __attribute_const__ /* unimplemented */ - #endif - -+#ifndef __randomize_layout -+# define __randomize_layout -+#endif -+ -+#ifndef __no_randomize_layout -+# define __no_randomize_layout -+#endif -+ -+#ifndef __no_const -+# define __no_const -+#endif -+ -+#ifndef __do_const -+# define __do_const -+#endif -+ -+#ifndef __size_overflow -+# define __size_overflow(...) -+#endif -+ -+#ifndef __intentional_overflow -+# define __intentional_overflow(...) -+#endif -+ -+#ifndef __latent_entropy -+# define __latent_entropy -+#endif -+ -+#ifndef __nocapture -+# define __nocapture(...) -+#endif -+ - /* - * Tell gcc if a function is cold. The compiler will assume any path - * directly leading to the call is unlikely. -@@ -361,6 +415,22 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - #define __cold - #endif - -+#ifndef __alloc_size -+#define __alloc_size(...) -+#endif -+ -+#ifndef __bos -+#define __bos(ptr, arg) -+#endif -+ -+#ifndef __bos0 -+#define __bos0(ptr) -+#endif -+ -+#ifndef __bos1 -+#define __bos1(ptr) -+#endif -+ - /* Simple shorthand for a section definition */ - #ifndef __section - # define __section(S) __attribute__ ((__section__(#S))) -@@ -375,6 +445,8 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) - #endif - -+#define __type_is_unsigned(t) (__same_type((t)0, 0UL) || __same_type((t)0, 0U) || __same_type((t)0, (unsigned short)0) || __same_type((t)0, (unsigned char)0)) -+ - /* Is this type a native word size -- useful for atomic operations */ - #ifndef __native_word - # define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) -@@ -454,8 +526,9 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - */ - #define __ACCESS_ONCE(x) ({ \ - __maybe_unused typeof(x) __var = (__force typeof(x)) 0; \ -- (volatile typeof(x) *)&(x); }) -+ (volatile const typeof(x) *)&(x); }) - #define ACCESS_ONCE(x) (*__ACCESS_ONCE(x)) -+#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x)) - - /* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */ - #ifdef CONFIG_KPROBES -diff --git a/include/linux/completion.h b/include/linux/completion.h -index 5d5aaae..0ea9b84 100644 ---- a/include/linux/completion.h -+++ b/include/linux/completion.h -@@ -90,16 +90,16 @@ static inline void reinit_completion(struct completion *x) - - extern void wait_for_completion(struct completion *); - extern void wait_for_completion_io(struct completion *); --extern int wait_for_completion_interruptible(struct completion *x); --extern int wait_for_completion_killable(struct completion *x); -+extern int wait_for_completion_interruptible(struct completion *x) __intentional_overflow(-1); -+extern int wait_for_completion_killable(struct completion *x) __intentional_overflow(-1); - extern unsigned long wait_for_completion_timeout(struct completion *x, -- unsigned long timeout); -+ unsigned long timeout) __intentional_overflow(-1); - extern unsigned long wait_for_completion_io_timeout(struct completion *x, -- unsigned long timeout); -+ unsigned long timeout) __intentional_overflow(-1); - extern long wait_for_completion_interruptible_timeout( -- struct completion *x, unsigned long timeout); -+ struct completion *x, unsigned long timeout) __intentional_overflow(-1); - extern long wait_for_completion_killable_timeout( -- struct completion *x, unsigned long timeout); -+ struct completion *x, unsigned long timeout) __intentional_overflow(-1); - extern bool try_wait_for_completion(struct completion *x); - extern bool completion_done(struct completion *x); - -diff --git a/include/linux/configfs.h b/include/linux/configfs.h -index 34025df..9c263df 100644 ---- a/include/linux/configfs.h -+++ b/include/linux/configfs.h -@@ -64,7 +64,8 @@ struct config_item { - struct dentry *ci_dentry; - }; - --extern int config_item_set_name(struct config_item *, const char *, ...); -+extern __printf(2, 3) -+int config_item_set_name(struct config_item *, const char *, ...); - - static inline char *config_item_name(struct config_item * item) - { -@@ -125,7 +126,7 @@ struct configfs_attribute { - const char *ca_name; - struct module *ca_owner; - umode_t ca_mode; --}; -+} __do_const; - - /* - * Users often need to create attribute structures for their configurable -diff --git a/include/linux/cpu.h b/include/linux/cpu.h -index c0fb6b1..23c30bd 100644 ---- a/include/linux/cpu.h -+++ b/include/linux/cpu.h -@@ -40,9 +40,10 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr); - extern int cpu_add_dev_attr_group(struct attribute_group *attrs); - extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); - --extern struct device *cpu_device_create(struct device *parent, void *drvdata, -- const struct attribute_group **groups, -- const char *fmt, ...); -+extern __printf(4, 5) -+struct device *cpu_device_create(struct device *parent, void *drvdata, -+ const struct attribute_group **groups, -+ const char *fmt, ...); - #ifdef CONFIG_HOTPLUG_CPU - extern void unregister_cpu(struct cpu *cpu); - extern ssize_t arch_cpu_probe(const char *, size_t); -diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h -index 2ee4888..0451f5e 100644 ---- a/include/linux/cpufreq.h -+++ b/include/linux/cpufreq.h -@@ -207,6 +207,7 @@ struct global_attr { - ssize_t (*store)(struct kobject *a, struct attribute *b, - const char *c, size_t count); - }; -+typedef struct global_attr __no_const global_attr_no_const; - - #define define_one_global_ro(_name) \ - static struct global_attr _name = \ -@@ -278,7 +279,7 @@ struct cpufreq_driver { - bool boost_supported; - bool boost_enabled; - int (*set_boost)(int state); --}; -+} __do_const; - - /* flags */ - #define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if -diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h -index 9c5e892..feb34e0 100644 ---- a/include/linux/cpuidle.h -+++ b/include/linux/cpuidle.h -@@ -59,7 +59,8 @@ struct cpuidle_state { - void (*enter_freeze) (struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index); --}; -+} __do_const; -+typedef struct cpuidle_state __no_const cpuidle_state_no_const; - - /* Idle State Flags */ - #define CPUIDLE_FLAG_COUPLED (0x02) /* state applies to multiple cpus */ -@@ -227,7 +228,7 @@ struct cpuidle_governor { - void (*reflect) (struct cpuidle_device *dev, int index); - - struct module *owner; --}; -+} __do_const; - - #ifdef CONFIG_CPU_IDLE - extern int cpuidle_register_governor(struct cpuidle_governor *gov); -diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h -index 59915ea..81ebec0 100644 ---- a/include/linux/cpumask.h -+++ b/include/linux/cpumask.h -@@ -127,17 +127,17 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp) - } - - /* Valid inputs for n are -1 and 0. */ --static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp) - { - return n+1; - } - --static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp) - { - return n+1; - } - --static inline unsigned int cpumask_next_and(int n, -+static inline unsigned int __intentional_overflow(-1) cpumask_next_and(int n, - const struct cpumask *srcp, - const struct cpumask *andp) - { -@@ -181,7 +181,7 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp) - * - * Returns >= nr_cpu_ids if no further cpus set. - */ --static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp) - { - /* -1 is a legal arg here. */ - if (n != -1) -@@ -196,7 +196,7 @@ static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) - * - * Returns >= nr_cpu_ids if no further cpus unset. - */ --static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp) - { - /* -1 is a legal arg here. */ - if (n != -1) -@@ -204,7 +204,7 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) - return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1); - } - --int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); -+int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *) __intentional_overflow(-1); - int cpumask_any_but(const struct cpumask *mask, unsigned int cpu); - unsigned int cpumask_local_spread(unsigned int i, int node); - -@@ -471,7 +471,7 @@ static inline bool cpumask_full(const struct cpumask *srcp) - * cpumask_weight - Count of bits in *srcp - * @srcp: the cpumask to count bits (< nr_cpu_ids) in. - */ --static inline unsigned int cpumask_weight(const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_weight(const struct cpumask *srcp) - { - return bitmap_weight(cpumask_bits(srcp), nr_cpumask_bits); - } -diff --git a/include/linux/cred.h b/include/linux/cred.h -index 8b6c083..51cb9f5 100644 ---- a/include/linux/cred.h -+++ b/include/linux/cred.h -@@ -35,7 +35,7 @@ struct group_info { - int nblocks; - kgid_t small_block[NGROUPS_SMALL]; - kgid_t *blocks[0]; --}; -+} __randomize_layout; - - /** - * get_group_info - Get a reference to a group info structure -@@ -152,7 +152,7 @@ struct cred { - struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ - struct group_info *group_info; /* supplementary groups for euid/fsgid */ - struct rcu_head rcu; /* RCU deletion hook */ --}; -+} __randomize_layout; - - extern void __put_cred(struct cred *); - extern void exit_creds(struct task_struct *); -@@ -210,6 +210,9 @@ static inline void validate_creds_for_do_exit(struct task_struct *tsk) - static inline void validate_process_creds(void) - { - } -+static inline void validate_task_creds(struct task_struct *task) -+{ -+} - #endif - - /** -@@ -347,6 +350,7 @@ static inline void put_cred(const struct cred *_cred) - - #define task_uid(task) (task_cred_xxx((task), uid)) - #define task_euid(task) (task_cred_xxx((task), euid)) -+#define task_securebits(task) (task_cred_xxx((task), securebits)) - - #define current_cred_xxx(xxx) \ - ({ \ -diff --git a/include/linux/crypto.h b/include/linux/crypto.h -index 10df5d2..503d678 100644 ---- a/include/linux/crypto.h -+++ b/include/linux/crypto.h -@@ -632,7 +632,7 @@ struct cipher_tfm { - const u8 *key, unsigned int keylen); - void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); --}; -+} __no_const; - - struct hash_tfm { - int (*init)(struct hash_desc *desc); -@@ -653,13 +653,13 @@ struct compress_tfm { - int (*cot_decompress)(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); --}; -+} __no_const; - - struct rng_tfm { - int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, - unsigned int dlen); - int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); --}; -+} __no_const; - - #define crt_ablkcipher crt_u.ablkcipher - #define crt_aead crt_u.aead -diff --git a/include/linux/ctype.h b/include/linux/ctype.h -index 653589e..4ef254a 100644 ---- a/include/linux/ctype.h -+++ b/include/linux/ctype.h -@@ -56,7 +56,7 @@ static inline unsigned char __toupper(unsigned char c) - * Fast implementation of tolower() for internal usage. Do not use in your - * code. - */ --static inline char _tolower(const char c) -+static inline unsigned char _tolower(const unsigned char c) - { - return c | 0x20; - } -diff --git a/include/linux/dcache.h b/include/linux/dcache.h -index df334cb..e730faa 100644 ---- a/include/linux/dcache.h -+++ b/include/linux/dcache.h -@@ -123,6 +123,9 @@ struct dentry { - unsigned long d_time; /* used by d_revalidate */ - void *d_fsdata; /* fs-specific data */ - -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ atomic_t chroot_refcnt; /* tracks use of directory in chroot */ -+#endif - struct list_head d_lru; /* LRU list */ - struct list_head d_child; /* child of parent list */ - struct list_head d_subdirs; /* our children */ -@@ -133,7 +136,7 @@ struct dentry { - struct hlist_node d_alias; /* inode alias list */ - struct rcu_head d_rcu; - } d_u; --}; -+} __randomize_layout; - - /* - * dentry->d_lock spinlock nesting subclasses: -@@ -319,13 +322,14 @@ extern struct dentry *__d_lookup_rcu(const struct dentry *parent, - - static inline unsigned d_count(const struct dentry *dentry) - { -- return dentry->d_lockref.count; -+ return __lockref_read(&dentry->d_lockref); - } - - /* - * helper function for dentry_operations.d_dname() members - */ --extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); -+extern __printf(4, 5) -+char *dynamic_dname(struct dentry *, char *, int, const char *, ...); - extern char *simple_dname(struct dentry *, char *, int); - - extern char *__d_path(const struct path *, const struct path *, char *, int); -@@ -347,7 +351,7 @@ extern char *dentry_path(struct dentry *, char *, int); - static inline struct dentry *dget_dlock(struct dentry *dentry) - { - if (dentry) -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - return dentry; - } - -diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h -index 7925bf0..d5143d2 100644 ---- a/include/linux/decompress/mm.h -+++ b/include/linux/decompress/mm.h -@@ -77,7 +77,7 @@ static void free(void *where) - * warnings when not needed (indeed large_malloc / large_free are not - * needed by inflate */ - --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - - #define large_malloc(a) vmalloc(a) -diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h -index ce447f0..83c66bd 100644 ---- a/include/linux/devfreq.h -+++ b/include/linux/devfreq.h -@@ -114,7 +114,7 @@ struct devfreq_governor { - int (*get_target_freq)(struct devfreq *this, unsigned long *freq); - int (*event_handler)(struct devfreq *devfreq, - unsigned int event, void *data); --}; -+} __do_const; - - /** - * struct devfreq - Device devfreq structure -diff --git a/include/linux/device.h b/include/linux/device.h -index 6558af9..48bce1a 100644 ---- a/include/linux/device.h -+++ b/include/linux/device.h -@@ -312,7 +312,7 @@ struct subsys_interface { - struct list_head node; - int (*add_dev)(struct device *dev, struct subsys_interface *sif); - int (*remove_dev)(struct device *dev, struct subsys_interface *sif); --}; -+} __do_const; - - int subsys_interface_register(struct subsys_interface *sif); - void subsys_interface_unregister(struct subsys_interface *sif); -@@ -508,7 +508,7 @@ struct device_type { - void (*release)(struct device *dev); - - const struct dev_pm_ops *pm; --}; -+} __do_const; - - /* interface for exporting device attributes */ - struct device_attribute { -@@ -518,11 +518,12 @@ struct device_attribute { - ssize_t (*store)(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count); - }; -+typedef struct device_attribute __no_const device_attribute_no_const; - - struct dev_ext_attribute { - struct device_attribute attr; - void *var; --}; -+} __do_const; - - ssize_t device_show_ulong(struct device *dev, struct device_attribute *attr, - char *buf); -@@ -607,8 +608,9 @@ extern int devres_release_group(struct device *dev, void *id); - - /* managed devm_k.alloc/kfree for device drivers */ - extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); --extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, -- va_list ap); -+extern __printf(3, 0) -+char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, -+ va_list ap); - extern __printf(3, 4) - char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); - static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) -@@ -980,12 +982,10 @@ extern int __must_check device_reprobe(struct device *dev); - /* - * Easy functions for dynamically creating devices on the fly - */ --extern struct device *device_create_vargs(struct class *cls, -- struct device *parent, -- dev_t devt, -- void *drvdata, -- const char *fmt, -- va_list vargs); -+extern __printf(5, 0) -+struct device *device_create_vargs(struct class *cls, struct device *parent, -+ dev_t devt, void *drvdata, -+ const char *fmt, va_list vargs); - extern __printf(5, 6) - struct device *device_create(struct class *cls, struct device *parent, - dev_t devt, void *drvdata, -diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h -index ac07ff0..edff186 100644 ---- a/include/linux/dma-mapping.h -+++ b/include/linux/dma-mapping.h -@@ -64,7 +64,7 @@ struct dma_map_ops { - u64 (*get_required_mask)(struct device *dev); - #endif - int is_phys; --}; -+} __do_const; - - #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) - -diff --git a/include/linux/efi.h b/include/linux/efi.h -index af5be03..d8a6ae2 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -1057,6 +1057,7 @@ struct efivar_operations { - efi_set_variable_nonblocking_t *set_variable_nonblocking; - efi_query_variable_store_t *query_variable_store; - }; -+typedef struct efivar_operations __no_const efivar_operations_no_const; - - struct efivars { - /* -diff --git a/include/linux/elf.h b/include/linux/elf.h -index 20fa8d8..3d0dd18 100644 ---- a/include/linux/elf.h -+++ b/include/linux/elf.h -@@ -29,6 +29,7 @@ extern Elf32_Dyn _DYNAMIC []; - #define elf_note elf32_note - #define elf_addr_t Elf32_Off - #define Elf_Half Elf32_Half -+#define elf_dyn Elf32_Dyn - - #else - -@@ -39,6 +40,7 @@ extern Elf64_Dyn _DYNAMIC []; - #define elf_note elf64_note - #define elf_addr_t Elf64_Off - #define Elf_Half Elf64_Half -+#define elf_dyn Elf64_Dyn - - #endif - -diff --git a/include/linux/err.h b/include/linux/err.h -index a729120..6ede2c9 100644 ---- a/include/linux/err.h -+++ b/include/linux/err.h -@@ -20,12 +20,12 @@ - - #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) - --static inline void * __must_check ERR_PTR(long error) -+static inline void * __must_check __intentional_overflow(-1) ERR_PTR(long error) - { - return (void *) error; - } - --static inline long __must_check PTR_ERR(__force const void *ptr) -+static inline long __must_check __intentional_overflow(-1) PTR_ERR(__force const void *ptr) - { - return (long) ptr; - } -diff --git a/include/linux/extcon.h b/include/linux/extcon.h -index 36f49c4..a2a1f4c 100644 ---- a/include/linux/extcon.h -+++ b/include/linux/extcon.h -@@ -135,7 +135,7 @@ struct extcon_dev { - /* /sys/class/extcon/.../mutually_exclusive/... */ - struct attribute_group attr_g_muex; - struct attribute **attrs_muex; -- struct device_attribute *d_attrs_muex; -+ device_attribute_no_const *d_attrs_muex; - }; - - /** -diff --git a/include/linux/fb.h b/include/linux/fb.h -index 043f328..180ccbf 100644 ---- a/include/linux/fb.h -+++ b/include/linux/fb.h -@@ -305,7 +305,8 @@ struct fb_ops { - /* called at KDB enter and leave time to prepare the console */ - int (*fb_debug_enter)(struct fb_info *info); - int (*fb_debug_leave)(struct fb_info *info); --}; -+} __do_const; -+typedef struct fb_ops __no_const fb_ops_no_const; - - #ifdef CONFIG_FB_TILEBLITTING - #define FB_TILE_CURSOR_NONE 0 -diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h -index 230f87b..1fd0485 100644 ---- a/include/linux/fdtable.h -+++ b/include/linux/fdtable.h -@@ -100,7 +100,7 @@ struct files_struct *get_files_struct(struct task_struct *); - void put_files_struct(struct files_struct *fs); - void reset_files_struct(struct files_struct *); - int unshare_files(struct files_struct **); --struct files_struct *dup_fd(struct files_struct *, int *); -+struct files_struct *dup_fd(struct files_struct *, int *) __latent_entropy; - void do_close_on_exec(struct files_struct *); - int iterate_fd(struct files_struct *, unsigned, - int (*)(const void *, struct file *, unsigned), -diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h -index 8293262..2b3b8bd 100644 ---- a/include/linux/frontswap.h -+++ b/include/linux/frontswap.h -@@ -11,7 +11,7 @@ struct frontswap_ops { - int (*load)(unsigned, pgoff_t, struct page *); - void (*invalidate_page)(unsigned, pgoff_t); - void (*invalidate_area)(unsigned); --}; -+} __no_const; - - extern bool frontswap_enabled; - extern struct frontswap_ops * -diff --git a/include/linux/fs.h b/include/linux/fs.h -index 571aab9..03a5b06 100644 ---- a/include/linux/fs.h -+++ b/include/linux/fs.h -@@ -437,7 +437,7 @@ struct address_space { - spinlock_t private_lock; /* for use by the address_space */ - struct list_head private_list; /* ditto */ - void *private_data; /* ditto */ --} __attribute__((aligned(sizeof(long)))); -+} __attribute__((aligned(sizeof(long)))) __randomize_layout; - /* - * On most architectures that alignment is already the case; but - * must be enforced here for CRIS, to let the least significant bit -@@ -480,7 +480,7 @@ struct block_device { - int bd_fsfreeze_count; - /* Mutex for freeze */ - struct mutex bd_fsfreeze_mutex; --}; -+} __randomize_layout; - - /* - * Radix-tree tags, for tagging dirty and writeback pages within the pagecache -@@ -666,7 +666,7 @@ struct inode { - #endif - - void *i_private; /* fs or device private pointer */ --}; -+} __randomize_layout; - - static inline int inode_unhashed(struct inode *inode) - { -@@ -861,7 +861,7 @@ struct file { - struct list_head f_tfile_llink; - #endif /* #ifdef CONFIG_EPOLL */ - struct address_space *f_mapping; --} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ -+} __attribute__((aligned(4))) __randomize_layout; /* lest something weird decides that 2 is OK */ - - struct file_handle { - __u32 handle_bytes; -@@ -990,7 +990,7 @@ struct file_lock { - int state; /* state of grant or error if -ve */ - } afs; - } fl_u; --}; -+} __randomize_layout; - - struct file_lock_context { - spinlock_t flc_lock; -@@ -1351,7 +1351,7 @@ struct super_block { - * Indicates how deep in a filesystem stack this SB is - */ - int s_stack_depth; --}; -+} __randomize_layout; - - extern struct timespec current_fs_time(struct super_block *sb); - -@@ -1603,7 +1603,8 @@ struct file_operations { - #ifndef CONFIG_MMU - unsigned (*mmap_capabilities)(struct file *); - #endif --}; -+} __do_const __randomize_layout; -+typedef struct file_operations __no_const file_operations_no_const; - - struct inode_operations { - struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); -@@ -2303,7 +2304,7 @@ extern int register_chrdev_region(dev_t, unsigned, const char *); - extern int __register_chrdev(unsigned int major, unsigned int baseminor, - unsigned int count, const char *name, - const struct file_operations *fops); --extern void __unregister_chrdev(unsigned int major, unsigned int baseminor, -+extern __nocapture(4) void __unregister_chrdev(unsigned int major, unsigned int baseminor, - unsigned int count, const char *name); - extern void unregister_chrdev_region(dev_t, unsigned); - extern void chrdev_show(struct seq_file *,off_t); -@@ -2989,4 +2990,14 @@ static inline bool dir_relax(struct inode *inode) - return !IS_DEADDIR(inode); - } - -+static inline bool is_sidechannel_device(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL -+ umode_t mode = inode->i_mode; -+ return ((S_ISCHR(mode) || S_ISBLK(mode)) && (mode & (S_IROTH | S_IWOTH))); -+#else -+ return false; -+#endif -+} -+ - #endif /* _LINUX_FS_H */ -diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h -index 0efc3e6..fd23610 100644 ---- a/include/linux/fs_struct.h -+++ b/include/linux/fs_struct.h -@@ -6,13 +6,13 @@ - #include <linux/seqlock.h> - - struct fs_struct { -- int users; -+ atomic_t users; - spinlock_t lock; - seqcount_t seq; - int umask; - int in_exec; - struct path root, pwd; --}; -+} __randomize_layout; - - extern struct kmem_cache *fs_cachep; - -diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h -index 7714849..a4a5c7a 100644 ---- a/include/linux/fscache-cache.h -+++ b/include/linux/fscache-cache.h -@@ -113,7 +113,7 @@ struct fscache_operation { - fscache_operation_release_t release; - }; - --extern atomic_t fscache_op_debug_id; -+extern atomic_unchecked_t fscache_op_debug_id; - extern void fscache_op_work_func(struct work_struct *work); - - extern void fscache_enqueue_operation(struct fscache_operation *); -@@ -135,7 +135,7 @@ static inline void fscache_operation_init(struct fscache_operation *op, - INIT_WORK(&op->work, fscache_op_work_func); - atomic_set(&op->usage, 1); - op->state = FSCACHE_OP_ST_INITIALISED; -- op->debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->processor = processor; - op->release = release; - INIT_LIST_HEAD(&op->pend_link); -diff --git a/include/linux/fscache.h b/include/linux/fscache.h -index 115bb81..e7b812b 100644 ---- a/include/linux/fscache.h -+++ b/include/linux/fscache.h -@@ -152,7 +152,7 @@ struct fscache_cookie_def { - * - this is mandatory for any object that may have data - */ - void (*now_uncached)(void *cookie_netfs_data); --}; -+} __do_const; - - /* - * fscache cached network filesystem type -diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h -index 7ee1774..72505b8 100644 ---- a/include/linux/fsnotify.h -+++ b/include/linux/fsnotify.h -@@ -197,6 +197,9 @@ static inline void fsnotify_access(struct file *file) - struct inode *inode = file_inode(file); - __u32 mask = FS_ACCESS; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -215,6 +218,9 @@ static inline void fsnotify_modify(struct file *file) - struct inode *inode = file_inode(file); - __u32 mask = FS_MODIFY; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -317,7 +323,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid) - */ - static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name) - { -- return kstrdup(name, GFP_KERNEL); -+ return (const unsigned char *)kstrdup((const char *)name, GFP_KERNEL); - } - - /* -diff --git a/include/linux/genhd.h b/include/linux/genhd.h -index ec274e0..e678159 100644 ---- a/include/linux/genhd.h -+++ b/include/linux/genhd.h -@@ -194,7 +194,7 @@ struct gendisk { - struct kobject *slave_dir; - - struct timer_rand_state *random; -- atomic_t sync_io; /* RAID */ -+ atomic_unchecked_t sync_io; /* RAID */ - struct disk_events *ev; - #ifdef CONFIG_BLK_DEV_INTEGRITY - struct blk_integrity *integrity; -@@ -435,7 +435,7 @@ extern void disk_flush_events(struct gendisk *disk, unsigned int mask); - extern unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask); - - /* drivers/char/random.c */ --extern void add_disk_randomness(struct gendisk *disk); -+extern void add_disk_randomness(struct gendisk *disk) __latent_entropy; - extern void rand_initialize_disk(struct gendisk *disk); - - static inline sector_t get_start_sect(struct block_device *bdev) -diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h -index 667c311..abac2a7 100644 ---- a/include/linux/genl_magic_func.h -+++ b/include/linux/genl_magic_func.h -@@ -246,7 +246,7 @@ const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) - }, - - #define ZZZ_genl_ops CONCAT_(GENL_MAGIC_FAMILY, _genl_ops) --static struct genl_ops ZZZ_genl_ops[] __read_mostly = { -+static struct genl_ops ZZZ_genl_ops[] = { - #include GENL_MAGIC_INCLUDE_FILE - }; - -diff --git a/include/linux/gfp.h b/include/linux/gfp.h -index 15928f0..90b31d7 100644 ---- a/include/linux/gfp.h -+++ b/include/linux/gfp.h -@@ -35,6 +35,13 @@ struct vm_area_struct; - #define ___GFP_NO_KSWAPD 0x400000u - #define ___GFP_OTHER_NODE 0x800000u - #define ___GFP_WRITE 0x1000000u -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+#define ___GFP_USERCOPY 0x2000000u -+#else -+#define ___GFP_USERCOPY 0 -+#endif -+ - /* If the above are modified, __GFP_BITS_SHIFT may need updating */ - - /* -@@ -94,6 +101,7 @@ struct vm_area_struct; - #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD) - #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ - #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ -+#define __GFP_USERCOPY ((__force gfp_t)___GFP_USERCOPY)/* Allocator intends to copy page to/from userland */ - - /* - * This may seem redundant, but it's a way of annotating false positives vs. -@@ -101,7 +109,7 @@ struct vm_area_struct; - */ - #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) - --#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */ -+#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */ - #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) - - /* This equals 0, but use constants in case they ever change */ -@@ -146,6 +154,8 @@ struct vm_area_struct; - /* 4GB DMA on some platforms */ - #define GFP_DMA32 __GFP_DMA32 - -+#define GFP_USERCOPY __GFP_USERCOPY -+ - /* Convert GFP flags to their corresponding migrate type */ - static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) - { -diff --git a/include/linux/gracl.h b/include/linux/gracl.h -new file mode 100644 -index 0000000..91858e4 ---- /dev/null -+++ b/include/linux/gracl.h -@@ -0,0 +1,342 @@ -+#ifndef GR_ACL_H -+#define GR_ACL_H -+ -+#include <linux/grdefs.h> -+#include <linux/resource.h> -+#include <linux/capability.h> -+#include <linux/dcache.h> -+#include <asm/resource.h> -+ -+/* Major status information */ -+ -+#define GR_VERSION "grsecurity 3.1" -+#define GRSECURITY_VERSION 0x3100 -+ -+enum { -+ GR_SHUTDOWN = 0, -+ GR_ENABLE = 1, -+ GR_SPROLE = 2, -+ GR_OLDRELOAD = 3, -+ GR_SEGVMOD = 4, -+ GR_STATUS = 5, -+ GR_UNSPROLE = 6, -+ GR_PASSSET = 7, -+ GR_SPROLEPAM = 8, -+ GR_RELOAD = 9, -+}; -+ -+/* Password setup definitions -+ * kernel/grhash.c */ -+enum { -+ GR_PW_LEN = 128, -+ GR_SALT_LEN = 16, -+ GR_SHA_LEN = 32, -+}; -+ -+enum { -+ GR_SPROLE_LEN = 64, -+}; -+ -+enum { -+ GR_NO_GLOB = 0, -+ GR_REG_GLOB, -+ GR_CREATE_GLOB -+}; -+ -+#define GR_NLIMITS 32 -+ -+/* Begin Data Structures */ -+ -+struct sprole_pw { -+ unsigned char *rolename; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */ -+}; -+ -+struct name_entry { -+ __u32 key; -+ u64 inode; -+ dev_t device; -+ char *name; -+ __u16 len; -+ __u8 deleted; -+ struct name_entry *prev; -+ struct name_entry *next; -+}; -+ -+struct inodev_entry { -+ struct name_entry *nentry; -+ struct inodev_entry *prev; -+ struct inodev_entry *next; -+}; -+ -+struct acl_role_db { -+ struct acl_role_label **r_hash; -+ __u32 r_size; -+}; -+ -+struct inodev_db { -+ struct inodev_entry **i_hash; -+ __u32 i_size; -+}; -+ -+struct name_db { -+ struct name_entry **n_hash; -+ __u32 n_size; -+}; -+ -+struct crash_uid { -+ uid_t uid; -+ unsigned long expires; -+}; -+ -+struct gr_hash_struct { -+ void **table; -+ void **nametable; -+ void *first; -+ __u32 table_size; -+ __u32 used_size; -+ int type; -+}; -+ -+/* Userspace Grsecurity ACL data structures */ -+ -+struct acl_subject_label { -+ char *filename; -+ u64 inode; -+ dev_t device; -+ __u32 mode; -+ kernel_cap_t cap_mask; -+ kernel_cap_t cap_lower; -+ kernel_cap_t cap_invert_audit; -+ -+ struct rlimit res[GR_NLIMITS]; -+ __u32 resmask; -+ -+ __u8 user_trans_type; -+ __u8 group_trans_type; -+ uid_t *user_transitions; -+ gid_t *group_transitions; -+ __u16 user_trans_num; -+ __u16 group_trans_num; -+ -+ __u32 sock_families[2]; -+ __u32 ip_proto[8]; -+ __u32 ip_type; -+ struct acl_ip_label **ips; -+ __u32 ip_num; -+ __u32 inaddr_any_override; -+ -+ __u32 crashes; -+ unsigned long expires; -+ -+ struct acl_subject_label *parent_subject; -+ struct gr_hash_struct *hash; -+ struct acl_subject_label *prev; -+ struct acl_subject_label *next; -+ -+ struct acl_object_label **obj_hash; -+ __u32 obj_hash_size; -+ __u16 pax_flags; -+}; -+ -+struct role_allowed_ip { -+ __u32 addr; -+ __u32 netmask; -+ -+ struct role_allowed_ip *prev; -+ struct role_allowed_ip *next; -+}; -+ -+struct role_transition { -+ char *rolename; -+ -+ struct role_transition *prev; -+ struct role_transition *next; -+}; -+ -+struct acl_role_label { -+ char *rolename; -+ uid_t uidgid; -+ __u16 roletype; -+ -+ __u16 auth_attempts; -+ unsigned long expires; -+ -+ struct acl_subject_label *root_label; -+ struct gr_hash_struct *hash; -+ -+ struct acl_role_label *prev; -+ struct acl_role_label *next; -+ -+ struct role_transition *transitions; -+ struct role_allowed_ip *allowed_ips; -+ uid_t *domain_children; -+ __u16 domain_child_num; -+ -+ umode_t umask; -+ -+ struct acl_subject_label **subj_hash; -+ __u32 subj_hash_size; -+}; -+ -+struct user_acl_role_db { -+ struct acl_role_label **r_table; -+ __u32 num_pointers; /* Number of allocations to track */ -+ __u32 num_roles; /* Number of roles */ -+ __u32 num_domain_children; /* Number of domain children */ -+ __u32 num_subjects; /* Number of subjects */ -+ __u32 num_objects; /* Number of objects */ -+}; -+ -+struct acl_object_label { -+ char *filename; -+ u64 inode; -+ dev_t device; -+ __u32 mode; -+ -+ struct acl_subject_label *nested; -+ struct acl_object_label *globbed; -+ -+ /* next two structures not used */ -+ -+ struct acl_object_label *prev; -+ struct acl_object_label *next; -+}; -+ -+struct acl_ip_label { -+ char *iface; -+ __u32 addr; -+ __u32 netmask; -+ __u16 low, high; -+ __u8 mode; -+ __u32 type; -+ __u32 proto[8]; -+ -+ /* next two structures not used */ -+ -+ struct acl_ip_label *prev; -+ struct acl_ip_label *next; -+}; -+ -+struct gr_arg { -+ struct user_acl_role_db role_db; -+ unsigned char pw[GR_PW_LEN]; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+ unsigned char sp_role[GR_SPROLE_LEN]; -+ struct sprole_pw *sprole_pws; -+ dev_t segv_device; -+ u64 segv_inode; -+ uid_t segv_uid; -+ __u16 num_sprole_pws; -+ __u16 mode; -+}; -+ -+struct gr_arg_wrapper { -+ struct gr_arg *arg; -+ __u32 version; -+ __u32 size; -+}; -+ -+struct subject_map { -+ struct acl_subject_label *user; -+ struct acl_subject_label *kernel; -+ struct subject_map *prev; -+ struct subject_map *next; -+}; -+ -+struct acl_subj_map_db { -+ struct subject_map **s_hash; -+ __u32 s_size; -+}; -+ -+struct gr_policy_state { -+ struct sprole_pw **acl_special_roles; -+ __u16 num_sprole_pws; -+ struct acl_role_label *kernel_role; -+ struct acl_role_label *role_list; -+ struct acl_role_label *default_role; -+ struct acl_role_db acl_role_set; -+ struct acl_subj_map_db subj_map_set; -+ struct name_db name_set; -+ struct inodev_db inodev_set; -+}; -+ -+struct gr_alloc_state { -+ unsigned long alloc_stack_next; -+ unsigned long alloc_stack_size; -+ void **alloc_stack; -+}; -+ -+struct gr_reload_state { -+ struct gr_policy_state oldpolicy; -+ struct gr_alloc_state oldalloc; -+ struct gr_policy_state newpolicy; -+ struct gr_alloc_state newalloc; -+ struct gr_policy_state *oldpolicy_ptr; -+ struct gr_alloc_state *oldalloc_ptr; -+ unsigned char oldmode; -+}; -+ -+/* End Data Structures Section */ -+ -+/* Hash functions generated by empirical testing by Brad Spengler -+ Makes good use of the low bits of the inode. Generally 0-1 times -+ in loop for successful match. 0-3 for unsuccessful match. -+ Shift/add algorithm with modulus of table size and an XOR*/ -+ -+static __inline__ unsigned int -+gr_rhash(const uid_t uid, const __u16 type, const unsigned int sz) -+{ -+ return ((((uid + type) << (16 + type)) ^ uid) % sz); -+} -+ -+ static __inline__ unsigned int -+gr_shash(const struct acl_subject_label *userp, const unsigned int sz) -+{ -+ return ((const unsigned long)userp % sz); -+} -+ -+static __inline__ unsigned int -+gr_fhash(const u64 ino, const dev_t dev, const unsigned int sz) -+{ -+ unsigned int rem; -+ div_u64_rem((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9)), sz, &rem); -+ return rem; -+} -+ -+static __inline__ unsigned int -+gr_nhash(const char *name, const __u16 len, const unsigned int sz) -+{ -+ return full_name_hash((const unsigned char *)name, len) % sz; -+} -+ -+#define FOR_EACH_SUBJECT_START(role,subj,iter) \ -+ subj = NULL; \ -+ iter = 0; \ -+ while (iter < role->subj_hash_size) { \ -+ if (subj == NULL) \ -+ subj = role->subj_hash[iter]; \ -+ if (subj == NULL) { \ -+ iter++; \ -+ continue; \ -+ } -+ -+#define FOR_EACH_SUBJECT_END(subj,iter) \ -+ subj = subj->next; \ -+ if (subj == NULL) \ -+ iter++; \ -+ } -+ -+ -+#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \ -+ subj = role->hash->first; \ -+ while (subj != NULL) { -+ -+#define FOR_EACH_NESTED_SUBJECT_END(subj) \ -+ subj = subj->next; \ -+ } -+ -+#endif -+ -diff --git a/include/linux/gracl_compat.h b/include/linux/gracl_compat.h -new file mode 100644 -index 0000000..af64092 ---- /dev/null -+++ b/include/linux/gracl_compat.h -@@ -0,0 +1,156 @@ -+#ifndef GR_ACL_COMPAT_H -+#define GR_ACL_COMPAT_H -+ -+#include <linux/resource.h> -+#include <asm/resource.h> -+ -+struct sprole_pw_compat { -+ compat_uptr_t rolename; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+}; -+ -+struct gr_hash_struct_compat { -+ compat_uptr_t table; -+ compat_uptr_t nametable; -+ compat_uptr_t first; -+ __u32 table_size; -+ __u32 used_size; -+ int type; -+}; -+ -+struct acl_subject_label_compat { -+ compat_uptr_t filename; -+ compat_u64 inode; -+ __u32 device; -+ __u32 mode; -+ kernel_cap_t cap_mask; -+ kernel_cap_t cap_lower; -+ kernel_cap_t cap_invert_audit; -+ -+ struct compat_rlimit res[GR_NLIMITS]; -+ __u32 resmask; -+ -+ __u8 user_trans_type; -+ __u8 group_trans_type; -+ compat_uptr_t user_transitions; -+ compat_uptr_t group_transitions; -+ __u16 user_trans_num; -+ __u16 group_trans_num; -+ -+ __u32 sock_families[2]; -+ __u32 ip_proto[8]; -+ __u32 ip_type; -+ compat_uptr_t ips; -+ __u32 ip_num; -+ __u32 inaddr_any_override; -+ -+ __u32 crashes; -+ compat_ulong_t expires; -+ -+ compat_uptr_t parent_subject; -+ compat_uptr_t hash; -+ compat_uptr_t prev; -+ compat_uptr_t next; -+ -+ compat_uptr_t obj_hash; -+ __u32 obj_hash_size; -+ __u16 pax_flags; -+}; -+ -+struct role_allowed_ip_compat { -+ __u32 addr; -+ __u32 netmask; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct role_transition_compat { -+ compat_uptr_t rolename; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct acl_role_label_compat { -+ compat_uptr_t rolename; -+ uid_t uidgid; -+ __u16 roletype; -+ -+ __u16 auth_attempts; -+ compat_ulong_t expires; -+ -+ compat_uptr_t root_label; -+ compat_uptr_t hash; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+ -+ compat_uptr_t transitions; -+ compat_uptr_t allowed_ips; -+ compat_uptr_t domain_children; -+ __u16 domain_child_num; -+ -+ umode_t umask; -+ -+ compat_uptr_t subj_hash; -+ __u32 subj_hash_size; -+}; -+ -+struct user_acl_role_db_compat { -+ compat_uptr_t r_table; -+ __u32 num_pointers; -+ __u32 num_roles; -+ __u32 num_domain_children; -+ __u32 num_subjects; -+ __u32 num_objects; -+}; -+ -+struct acl_object_label_compat { -+ compat_uptr_t filename; -+ compat_u64 inode; -+ __u32 device; -+ __u32 mode; -+ -+ compat_uptr_t nested; -+ compat_uptr_t globbed; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct acl_ip_label_compat { -+ compat_uptr_t iface; -+ __u32 addr; -+ __u32 netmask; -+ __u16 low, high; -+ __u8 mode; -+ __u32 type; -+ __u32 proto[8]; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct gr_arg_compat { -+ struct user_acl_role_db_compat role_db; -+ unsigned char pw[GR_PW_LEN]; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+ unsigned char sp_role[GR_SPROLE_LEN]; -+ compat_uptr_t sprole_pws; -+ __u32 segv_device; -+ compat_u64 segv_inode; -+ uid_t segv_uid; -+ __u16 num_sprole_pws; -+ __u16 mode; -+}; -+ -+struct gr_arg_wrapper_compat { -+ compat_uptr_t arg; -+ __u32 version; -+ __u32 size; -+}; -+ -+#endif -diff --git a/include/linux/gralloc.h b/include/linux/gralloc.h -new file mode 100644 -index 0000000..323ecf2 ---- /dev/null -+++ b/include/linux/gralloc.h -@@ -0,0 +1,9 @@ -+#ifndef __GRALLOC_H -+#define __GRALLOC_H -+ -+void acl_free_all(void); -+int acl_alloc_stack_init(unsigned long size); -+void *acl_alloc(unsigned long len); -+void *acl_alloc_num(unsigned long num, unsigned long len); -+ -+#endif -diff --git a/include/linux/grdefs.h b/include/linux/grdefs.h -new file mode 100644 -index 0000000..be66033 ---- /dev/null -+++ b/include/linux/grdefs.h -@@ -0,0 +1,140 @@ -+#ifndef GRDEFS_H -+#define GRDEFS_H -+ -+/* Begin grsecurity status declarations */ -+ -+enum { -+ GR_READY = 0x01, -+ GR_STATUS_INIT = 0x00 // disabled state -+}; -+ -+/* Begin ACL declarations */ -+ -+/* Role flags */ -+ -+enum { -+ GR_ROLE_USER = 0x0001, -+ GR_ROLE_GROUP = 0x0002, -+ GR_ROLE_DEFAULT = 0x0004, -+ GR_ROLE_SPECIAL = 0x0008, -+ GR_ROLE_AUTH = 0x0010, -+ GR_ROLE_NOPW = 0x0020, -+ GR_ROLE_GOD = 0x0040, -+ GR_ROLE_LEARN = 0x0080, -+ GR_ROLE_TPE = 0x0100, -+ GR_ROLE_DOMAIN = 0x0200, -+ GR_ROLE_PAM = 0x0400, -+ GR_ROLE_PERSIST = 0x0800 -+}; -+ -+/* ACL Subject and Object mode flags */ -+enum { -+ GR_DELETED = 0x80000000 -+}; -+ -+/* ACL Object-only mode flags */ -+enum { -+ GR_READ = 0x00000001, -+ GR_APPEND = 0x00000002, -+ GR_WRITE = 0x00000004, -+ GR_EXEC = 0x00000008, -+ GR_FIND = 0x00000010, -+ GR_INHERIT = 0x00000020, -+ GR_SETID = 0x00000040, -+ GR_CREATE = 0x00000080, -+ GR_DELETE = 0x00000100, -+ GR_LINK = 0x00000200, -+ GR_AUDIT_READ = 0x00000400, -+ GR_AUDIT_APPEND = 0x00000800, -+ GR_AUDIT_WRITE = 0x00001000, -+ GR_AUDIT_EXEC = 0x00002000, -+ GR_AUDIT_FIND = 0x00004000, -+ GR_AUDIT_INHERIT= 0x00008000, -+ GR_AUDIT_SETID = 0x00010000, -+ GR_AUDIT_CREATE = 0x00020000, -+ GR_AUDIT_DELETE = 0x00040000, -+ GR_AUDIT_LINK = 0x00080000, -+ GR_PTRACERD = 0x00100000, -+ GR_NOPTRACE = 0x00200000, -+ GR_SUPPRESS = 0x00400000, -+ GR_NOLEARN = 0x00800000, -+ GR_INIT_TRANSFER= 0x01000000 -+}; -+ -+#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \ -+ GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \ -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK) -+ -+/* ACL subject-only mode flags */ -+enum { -+ GR_KILL = 0x00000001, -+ GR_VIEW = 0x00000002, -+ GR_PROTECTED = 0x00000004, -+ GR_LEARN = 0x00000008, -+ GR_OVERRIDE = 0x00000010, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_DUMMY = 0x00000020, -+ GR_PROTSHM = 0x00000040, -+ GR_KILLPROC = 0x00000080, -+ GR_KILLIPPROC = 0x00000100, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_NOTROJAN = 0x00000200, -+ GR_PROTPROCFD = 0x00000400, -+ GR_PROCACCT = 0x00000800, -+ GR_RELAXPTRACE = 0x00001000, -+ //GR_NESTED = 0x00002000, -+ GR_INHERITLEARN = 0x00004000, -+ GR_PROCFIND = 0x00008000, -+ GR_POVERRIDE = 0x00010000, -+ GR_KERNELAUTH = 0x00020000, -+ GR_ATSECURE = 0x00040000, -+ GR_SHMEXEC = 0x00080000 -+}; -+ -+enum { -+ GR_PAX_ENABLE_SEGMEXEC = 0x0001, -+ GR_PAX_ENABLE_PAGEEXEC = 0x0002, -+ GR_PAX_ENABLE_MPROTECT = 0x0004, -+ GR_PAX_ENABLE_RANDMMAP = 0x0008, -+ GR_PAX_ENABLE_EMUTRAMP = 0x0010, -+ GR_PAX_DISABLE_SEGMEXEC = 0x0100, -+ GR_PAX_DISABLE_PAGEEXEC = 0x0200, -+ GR_PAX_DISABLE_MPROTECT = 0x0400, -+ GR_PAX_DISABLE_RANDMMAP = 0x0800, -+ GR_PAX_DISABLE_EMUTRAMP = 0x1000, -+}; -+ -+enum { -+ GR_ID_USER = 0x01, -+ GR_ID_GROUP = 0x02, -+}; -+ -+enum { -+ GR_ID_ALLOW = 0x01, -+ GR_ID_DENY = 0x02, -+}; -+ -+#define GR_CRASH_RES 31 -+#define GR_UIDTABLE_MAX 500 -+ -+/* begin resource learning section */ -+enum { -+ GR_RLIM_CPU_BUMP = 60, -+ GR_RLIM_FSIZE_BUMP = 50000, -+ GR_RLIM_DATA_BUMP = 10000, -+ GR_RLIM_STACK_BUMP = 1000, -+ GR_RLIM_CORE_BUMP = 10000, -+ GR_RLIM_RSS_BUMP = 500000, -+ GR_RLIM_NPROC_BUMP = 1, -+ GR_RLIM_NOFILE_BUMP = 5, -+ GR_RLIM_MEMLOCK_BUMP = 50000, -+ GR_RLIM_AS_BUMP = 500000, -+ GR_RLIM_LOCKS_BUMP = 2, -+ GR_RLIM_SIGPENDING_BUMP = 5, -+ GR_RLIM_MSGQUEUE_BUMP = 10000, -+ GR_RLIM_NICE_BUMP = 1, -+ GR_RLIM_RTPRIO_BUMP = 1, -+ GR_RLIM_RTTIME_BUMP = 1000000 -+}; -+ -+#endif -diff --git a/include/linux/grinternal.h b/include/linux/grinternal.h -new file mode 100644 -index 0000000..fb1de5d ---- /dev/null -+++ b/include/linux/grinternal.h -@@ -0,0 +1,230 @@ -+#ifndef __GRINTERNAL_H -+#define __GRINTERNAL_H -+ -+#ifdef CONFIG_GRKERNSEC -+ -+#include <linux/fs.h> -+#include <linux/mnt_namespace.h> -+#include <linux/nsproxy.h> -+#include <linux/gracl.h> -+#include <linux/grdefs.h> -+#include <linux/grmsg.h> -+ -+void gr_add_learn_entry(const char *fmt, ...) -+ __attribute__ ((format (printf, 1, 2))); -+__u32 gr_search_file(const struct dentry *dentry, const __u32 mode, -+ const struct vfsmount *mnt); -+__u32 gr_check_create(const struct dentry *new_dentry, -+ const struct dentry *parent, -+ const struct vfsmount *mnt, const __u32 mode); -+int gr_check_protected_task(const struct task_struct *task); -+__u32 to_gr_audit(const __u32 reqmode); -+int gr_set_acls(const int type); -+int gr_acl_is_enabled(void); -+char gr_roletype_to_char(void); -+ -+void gr_handle_alertkill(struct task_struct *task); -+char *gr_to_filename(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename1(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename2(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename3(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+ -+extern int grsec_enable_ptrace_readexec; -+extern int grsec_enable_harden_ptrace; -+extern int grsec_enable_link; -+extern int grsec_enable_fifo; -+extern int grsec_enable_execve; -+extern int grsec_enable_shm; -+extern int grsec_enable_execlog; -+extern int grsec_enable_signal; -+extern int grsec_enable_audit_ptrace; -+extern int grsec_enable_forkfail; -+extern int grsec_enable_time; -+extern int grsec_enable_rofs; -+extern int grsec_deny_new_usb; -+extern int grsec_enable_chroot_shmat; -+extern int grsec_enable_chroot_mount; -+extern int grsec_enable_chroot_double; -+extern int grsec_enable_chroot_pivot; -+extern int grsec_enable_chroot_chdir; -+extern int grsec_enable_chroot_chmod; -+extern int grsec_enable_chroot_mknod; -+extern int grsec_enable_chroot_fchdir; -+extern int grsec_enable_chroot_nice; -+extern int grsec_enable_chroot_execlog; -+extern int grsec_enable_chroot_caps; -+extern int grsec_enable_chroot_rename; -+extern int grsec_enable_chroot_sysctl; -+extern int grsec_enable_chroot_unix; -+extern int grsec_enable_symlinkown; -+extern kgid_t grsec_symlinkown_gid; -+extern int grsec_enable_tpe; -+extern kgid_t grsec_tpe_gid; -+extern int grsec_enable_tpe_all; -+extern int grsec_enable_tpe_invert; -+extern int grsec_enable_socket_all; -+extern kgid_t grsec_socket_all_gid; -+extern int grsec_enable_socket_client; -+extern kgid_t grsec_socket_client_gid; -+extern int grsec_enable_socket_server; -+extern kgid_t grsec_socket_server_gid; -+extern kgid_t grsec_audit_gid; -+extern int grsec_enable_group; -+extern int grsec_enable_log_rwxmaps; -+extern int grsec_enable_mount; -+extern int grsec_enable_chdir; -+extern int grsec_resource_logging; -+extern int grsec_enable_blackhole; -+extern int grsec_lastack_retries; -+extern int grsec_enable_brute; -+extern int grsec_enable_harden_ipc; -+extern int grsec_lock; -+ -+extern spinlock_t grsec_alert_lock; -+extern unsigned long grsec_alert_wtime; -+extern unsigned long grsec_alert_fyet; -+ -+extern spinlock_t grsec_audit_lock; -+ -+extern rwlock_t grsec_exec_file_lock; -+ -+#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename2((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_path.mnt) : "/") -+ -+#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_path.mnt) : "/") -+ -+#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_path.mnt) : "/") -+ -+#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_path.mnt) : "/") -+ -+#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted) -+ -+#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry) -+ -+static inline bool gr_is_same_file(const struct file *file1, const struct file *file2) -+{ -+ if (file1 && file2) { -+ const struct inode *inode1 = file1->f_path.dentry->d_inode; -+ const struct inode *inode2 = file2->f_path.dentry->d_inode; -+ if (inode1->i_ino == inode2->i_ino && inode1->i_sb->s_dev == inode2->i_sb->s_dev) -+ return true; -+ } -+ -+ return false; -+} -+ -+#define GR_CHROOT_CAPS {{ \ -+ CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \ -+ CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \ -+ CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \ -+ CAP_TO_MASK(CAP_IPC_OWNER) | CAP_TO_MASK(CAP_SETFCAP), \ -+ CAP_TO_MASK(CAP_SYSLOG) | CAP_TO_MASK(CAP_MAC_ADMIN) }} -+ -+#define security_learn(normal_msg,args...) \ -+({ \ -+ read_lock(&grsec_exec_file_lock); \ -+ gr_add_learn_entry(normal_msg "\n", ## args); \ -+ read_unlock(&grsec_exec_file_lock); \ -+}) -+ -+enum { -+ GR_DO_AUDIT, -+ GR_DONT_AUDIT, -+ /* used for non-audit messages that we shouldn't kill the task on */ -+ GR_DONT_AUDIT_GOOD -+}; -+ -+enum { -+ GR_TTYSNIFF, -+ GR_RBAC, -+ GR_RBAC_STR, -+ GR_STR_RBAC, -+ GR_RBAC_MODE2, -+ GR_RBAC_MODE3, -+ GR_FILENAME, -+ GR_SYSCTL_HIDDEN, -+ GR_NOARGS, -+ GR_ONE_INT, -+ GR_ONE_INT_TWO_STR, -+ GR_ONE_STR, -+ GR_STR_INT, -+ GR_TWO_STR_INT, -+ GR_TWO_INT, -+ GR_TWO_U64, -+ GR_THREE_INT, -+ GR_FIVE_INT_TWO_STR, -+ GR_TWO_STR, -+ GR_THREE_STR, -+ GR_FOUR_STR, -+ GR_STR_FILENAME, -+ GR_FILENAME_STR, -+ GR_FILENAME_TWO_INT, -+ GR_FILENAME_TWO_INT_STR, -+ GR_TEXTREL, -+ GR_PTRACE, -+ GR_RESOURCE, -+ GR_CAP, -+ GR_SIG, -+ GR_SIG2, -+ GR_CRASH1, -+ GR_CRASH2, -+ GR_PSACCT, -+ GR_RWXMAP, -+ GR_RWXMAPVMA -+}; -+ -+#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str) -+#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task) -+#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt) -+#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str) -+#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt) -+#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2) -+#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3) -+#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt) -+#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS) -+#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num) -+#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2) -+#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str) -+#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num) -+#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2) -+#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2) -+#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3) -+#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2) -+#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2) -+#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num) -+#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3) -+#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4) -+#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt) -+#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str) -+#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2) -+#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str) -+#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2) -+#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task) -+#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2) -+#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str) -+#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr) -+#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num) -+#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong) -+#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1) -+#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) -+#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str) -+#define gr_log_rwxmap_vma(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAPVMA, str) -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...); -+ -+#endif -+ -+#endif -diff --git a/include/linux/grmsg.h b/include/linux/grmsg.h -new file mode 100644 -index 0000000..26ef560 ---- /dev/null -+++ b/include/linux/grmsg.h -@@ -0,0 +1,118 @@ -+#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by " -+#define GR_STOPMOD_MSG "denied modification of module state by " -+#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by " -+#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by " -+#define GR_IOPERM_MSG "denied use of ioperm() by " -+#define GR_IOPL_MSG "denied use of iopl() by " -+#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by " -+#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by " -+#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by " -+#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by " -+#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by " -+#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4" -+#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4" -+#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by " -+#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by " -+#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by " -+#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by " -+#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by " -+#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by " -+#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by " -+#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against " -+#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by " -+#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by " -+#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by " -+#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by " -+#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for " -+#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by " -+#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by " -+#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by " -+#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by " -+#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by " -+#define GR_EXEC_ACL_MSG "%s execution of %.950s by " -+#define GR_EXEC_TPE_MSG "denied untrusted exec (due to %.70s) of %.950s by " -+#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds" -+#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds" -+#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by " -+#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by " -+#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by " -+#define GR_ATIME_ACL_MSG "%s access time change of %.950s by " -+#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by " -+#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by " -+#define GR_CHROOT_RENAME_MSG "denied bad rename of %.950s out of a chroot by " -+#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by " -+#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by " -+#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by " -+#define GR_CHROOT_FHANDLE_MSG "denied use of file handles inside chroot by " -+#define GR_CHOWN_ACL_MSG "%s chown of %.950s by " -+#define GR_SETXATTR_ACL_MSG "%s setting extended attribute of %.950s by " -+#define GR_REMOVEXATTR_ACL_MSG "%s removing extended attribute of %.950s by " -+#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by " -+#define GR_INITF_ACL_MSG "init_variables() failed %s by " -+#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader" -+#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbage by " -+#define GR_SHUTS_ACL_MSG "shutdown auth success for " -+#define GR_SHUTF_ACL_MSG "shutdown auth failure for " -+#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for " -+#define GR_SEGVMODS_ACL_MSG "segvmod auth success for " -+#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for " -+#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for " -+#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by " -+#define GR_ENABLEF_ACL_MSG "unable to load %s for " -+#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system" -+#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by " -+#define GR_RELOADF_ACL_MSG "failed reload of %s for " -+#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for " -+#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by " -+#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by " -+#define GR_SPROLEF_ACL_MSG "special role %s failure for " -+#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for " -+#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by " -+#define GR_INVMODE_ACL_MSG "invalid mode %d by " -+#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by " -+#define GR_FAILFORK_MSG "failed fork with errno %s by " -+#define GR_NICE_CHROOT_MSG "denied priority change by " -+#define GR_UNISIGLOG_MSG "%.32s occurred at %p in " -+#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by " -+#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by " -+#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by " -+#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by " -+#define GR_TIME_MSG "time set by " -+#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by " -+#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by " -+#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by " -+#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by " -+#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by " -+#define GR_BIND_MSG "denied bind() by " -+#define GR_CONNECT_MSG "denied connect() by " -+#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4" -+#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process " -+#define GR_CAP_ACL_MSG "use of %s denied for " -+#define GR_CAP_CHROOT_MSG "use of %s in chroot denied for " -+#define GR_CAP_ACL_MSG2 "use of %s permitted for " -+#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for " -+#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for " -+#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by " -+#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by " -+#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by " -+#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by " -+#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by " -+#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for " -+#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by " -+#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by " -+#define GR_TEXTREL_AUDIT_MSG "denied text relocation in %.950s, VMA:0x%08lx 0x%08lx by " -+#define GR_PTGNUSTACK_MSG "denied marking stack executable as requested by PT_GNU_STACK marking in %.950s by " -+#define GR_VM86_MSG "denied use of vm86 by " -+#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by " -+#define GR_PTRACE_READEXEC_MSG "denied ptrace of unreadable binary %.950s by " -+#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by " -+#define GR_BADPROCPID_MSG "denied read of sensitive /proc/pid/%s entry via fd passed across exec by " -+#define GR_SYMLINKOWNER_MSG "denied following symlink %.950s since symlink owner %u does not match target owner %u, by " -+#define GR_BRUTE_DAEMON_MSG "bruteforce prevention initiated for the next 30 minutes or until service restarted, stalling each fork 30 seconds. Please investigate the crash report for " -+#define GR_BRUTE_SUID_MSG "bruteforce prevention initiated due to crash of %.950s against uid %u, banning suid/sgid execs for %u minutes. Please investigate the crash report for " -+#define GR_IPC_DENIED_MSG "denied %s of overly-permissive IPC object with creator uid %u by " -+#define GR_MSRWRITE_MSG "denied write to CPU MSR by " -diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h -new file mode 100644 -index 0000000..085a746 ---- /dev/null -+++ b/include/linux/grsecurity.h -@@ -0,0 +1,247 @@ -+#ifndef GR_SECURITY_H -+#define GR_SECURITY_H -+#include <linux/fs.h> -+#include <linux/fs_struct.h> -+#include <linux/binfmts.h> -+#include <linux/gracl.h> -+ -+/* notify of brain-dead configs */ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) && defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+#error "CONFIG_GRKERNSEC_PROC_USER and CONFIG_GRKERNSEC_PROC_USERGROUP cannot both be enabled." -+#endif -+#if defined(CONFIG_GRKERNSEC_PROC) && !defined(CONFIG_GRKERNSEC_PROC_USER) && !defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+#error "CONFIG_GRKERNSEC_PROC enabled, but neither CONFIG_GRKERNSEC_PROC_USER nor CONFIG_GRKERNSEC_PROC_USERGROUP enabled" -+#endif -+#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC) -+#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled." -+#endif -+#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP) -+#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled." -+#endif -+#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR) -+#error "CONFIG_PAX enabled, but no PaX options are enabled." -+#endif -+ -+int gr_handle_new_usb(void); -+ -+void gr_handle_brute_attach(int dumpable); -+void gr_handle_brute_check(void); -+void gr_handle_kernel_exploit(void); -+ -+char gr_roletype_to_char(void); -+ -+int gr_proc_is_restricted(void); -+ -+int gr_acl_enable_at_secure(void); -+ -+int gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs); -+int gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs); -+ -+int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap); -+ -+void gr_del_task_from_ip_table(struct task_struct *p); -+ -+int gr_pid_is_chrooted(struct task_struct *p); -+int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type); -+int gr_handle_chroot_nice(void); -+int gr_handle_chroot_sysctl(const int op); -+int gr_handle_chroot_setpriority(struct task_struct *p, -+ const int niceval); -+int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt); -+int gr_chroot_fhandle(void); -+int gr_handle_chroot_chroot(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_chroot_chdir(const struct path *path); -+int gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const char *dev_name); -+int gr_handle_chroot_pivot(void); -+int gr_handle_chroot_unix(const pid_t pid); -+ -+int gr_handle_rawio(const struct inode *inode); -+ -+void gr_handle_ioperm(void); -+void gr_handle_iopl(void); -+void gr_handle_msr_write(void); -+ -+umode_t gr_acl_umask(void); -+ -+int gr_tpe_allow(const struct file *file); -+ -+void gr_set_chroot_entries(struct task_struct *task, const struct path *path); -+void gr_clear_chroot_entries(struct task_struct *task); -+ -+void gr_log_forkfail(const int retval); -+void gr_log_timechange(void); -+void gr_log_signal(const int sig, const void *addr, const struct task_struct *t); -+void gr_log_chdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_log_chroot_exec(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_log_remount(const char *devname, const int retval); -+void gr_log_unmount(const char *devname, const int retval); -+void gr_log_mount(const char *from, struct path *to, const int retval); -+void gr_log_textrel(struct vm_area_struct *vma); -+void gr_log_ptgnustack(struct file *file); -+void gr_log_rwxmmap(struct file *file); -+void gr_log_rwxmprotect(struct vm_area_struct *vma); -+ -+int gr_handle_follow_link(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_fifo(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, -+ const int acc_mode); -+int gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct filename *to); -+ -+int gr_is_capable(const int cap); -+int gr_is_capable_nolog(const int cap); -+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap); -+ -+void gr_copy_label(struct task_struct *tsk); -+void gr_handle_crash(struct task_struct *task, const int sig); -+int gr_handle_signal(const struct task_struct *p, const int sig); -+int gr_check_crash_uid(const kuid_t uid); -+int gr_check_protected_task(const struct task_struct *task); -+int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type); -+int gr_acl_handle_mmap(const struct file *file, -+ const unsigned long prot); -+int gr_acl_handle_mprotect(const struct file *file, -+ const unsigned long prot); -+int gr_check_hidden_task(const struct task_struct *tsk); -+__u32 gr_acl_handle_truncate(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_utime(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_access(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int fmode); -+__u32 gr_acl_handle_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, umode_t *mode); -+__u32 gr_acl_handle_chown(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_setxattr(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_removexattr(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_ptrace(struct task_struct *task, const long request); -+int gr_handle_proc_ptrace(struct task_struct *task); -+__u32 gr_acl_handle_execve(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_check_crash_exec(const struct file *filp); -+int gr_acl_is_enabled(void); -+void gr_set_role_label(struct task_struct *task, const kuid_t uid, -+ const kgid_t gid); -+int gr_set_proc_label(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const int unsafe_flags); -+__u32 gr_acl_handle_hidden_file(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_open(const struct dentry *dentry, -+ const struct vfsmount *mnt, int acc_mode); -+__u32 gr_acl_handle_creat(const struct dentry *dentry, -+ const struct dentry *p_dentry, -+ const struct vfsmount *p_mnt, -+ int open_flags, int acc_mode, const int imode); -+void gr_handle_create(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_proc_create(const struct dentry *dentry, -+ const struct inode *inode); -+__u32 gr_acl_handle_mknod(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const int mode); -+__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt); -+__u32 gr_acl_handle_rmdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_delete(const u64 ino, const dev_t dev); -+__u32 gr_acl_handle_unlink(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_symlink(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct filename *from); -+__u32 gr_acl_handle_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt, const struct filename *to); -+int gr_handle_symlink_owner(const struct path *link, const struct inode *target); -+int gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags); -+void gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags); -+__u32 gr_check_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt); -+int gr_acl_handle_filldir(const struct file *file, const char *name, -+ const unsigned int namelen, const u64 ino); -+ -+__u32 gr_acl_handle_unix(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_acl_handle_exit(void); -+void gr_acl_handle_psacct(struct task_struct *task, const long code); -+int gr_acl_handle_procpidmem(const struct task_struct *task); -+int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags); -+int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode); -+void gr_audit_ptrace(struct task_struct *task); -+dev_t gr_get_dev_from_dentry(struct dentry *dentry); -+u64 gr_get_ino_from_dentry(struct dentry *dentry); -+void gr_put_exec_file(struct task_struct *task); -+ -+int gr_ptrace_readexec(struct file *file, int unsafe_flags); -+ -+void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt); -+void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt); -+int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt, -+ struct dentry *newdentry, struct vfsmount *newmnt); -+ -+#ifdef CONFIG_GRKERNSEC_RESLOG -+extern void gr_log_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt); -+#else -+static inline void gr_log_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt) -+{ -+} -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p); -+void gr_handle_vm86(void); -+void gr_handle_mem_readwrite(u64 from, u64 to); -+ -+void gr_log_badprocpid(const char *entry); -+ -+extern int grsec_enable_dmesg; -+extern int grsec_disable_privio; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+extern kgid_t grsec_proc_gid; -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+extern int grsec_enable_chroot_findtask; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern int grsec_enable_setxid; -+#endif -+#endif -+ -+#endif -diff --git a/include/linux/grsock.h b/include/linux/grsock.h -new file mode 100644 -index 0000000..e7ffaaf ---- /dev/null -+++ b/include/linux/grsock.h -@@ -0,0 +1,19 @@ -+#ifndef __GRSOCK_H -+#define __GRSOCK_H -+ -+extern void gr_attach_curr_ip(const struct sock *sk); -+extern int gr_handle_sock_all(const int family, const int type, -+ const int protocol); -+extern int gr_handle_sock_server(const struct sockaddr *sck); -+extern int gr_handle_sock_server_other(const struct sock *sck); -+extern int gr_handle_sock_client(const struct sockaddr *sck); -+extern int gr_search_connect(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_bind(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_listen(struct socket * sock); -+extern int gr_search_accept(struct socket * sock); -+extern int gr_search_socket(const int domain, const int type, -+ const int protocol); -+ -+#endif -diff --git a/include/linux/highmem.h b/include/linux/highmem.h -index 9286a46..373f27f 100644 ---- a/include/linux/highmem.h -+++ b/include/linux/highmem.h -@@ -189,6 +189,18 @@ static inline void clear_highpage(struct page *page) - kunmap_atomic(kaddr); - } - -+static inline void sanitize_highpage(struct page *page) -+{ -+ void *kaddr; -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ kaddr = kmap_atomic(page); -+ clear_page(kaddr); -+ kunmap_atomic(kaddr); -+ local_irq_restore(flags); -+} -+ - static inline void zero_user_segments(struct page *page, - unsigned start1, unsigned end1, - unsigned start2, unsigned end2) -diff --git a/include/linux/hwmon-sysfs.h b/include/linux/hwmon-sysfs.h -index 1c7b89a..7dda400 100644 ---- a/include/linux/hwmon-sysfs.h -+++ b/include/linux/hwmon-sysfs.h -@@ -25,7 +25,8 @@ - struct sensor_device_attribute{ - struct device_attribute dev_attr; - int index; --}; -+} __do_const; -+typedef struct sensor_device_attribute __no_const sensor_device_attribute_no_const; - #define to_sensor_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct sensor_device_attribute, dev_attr) - -@@ -41,7 +42,8 @@ struct sensor_device_attribute_2 { - struct device_attribute dev_attr; - u8 index; - u8 nr; --}; -+} __do_const; -+typedef struct sensor_device_attribute_2 __no_const sensor_device_attribute_2_no_const; - #define to_sensor_dev_attr_2(_dev_attr) \ - container_of(_dev_attr, struct sensor_device_attribute_2, dev_attr) - -diff --git a/include/linux/i2c.h b/include/linux/i2c.h -index e83a738..8b323fa 100644 ---- a/include/linux/i2c.h -+++ b/include/linux/i2c.h -@@ -409,6 +409,7 @@ struct i2c_algorithm { - int (*unreg_slave)(struct i2c_client *client); - #endif - }; -+typedef struct i2c_algorithm __no_const i2c_algorithm_no_const; - - /** - * struct i2c_bus_recovery_info - I2C bus recovery information -diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h -index 66a7d76..5e68d20 100644 ---- a/include/linux/if_pppox.h -+++ b/include/linux/if_pppox.h -@@ -78,7 +78,7 @@ struct pppox_proto { - int (*ioctl)(struct socket *sock, unsigned int cmd, - unsigned long arg); - struct module *owner; --}; -+} __do_const; - - extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp); - extern void unregister_pppox_proto(int proto_num); -diff --git a/include/linux/init.h b/include/linux/init.h -index 21b6d76..4a6775c 100644 ---- a/include/linux/init.h -+++ b/include/linux/init.h -@@ -37,9 +37,17 @@ - * section. - */ - -+#define add_init_latent_entropy __latent_entropy -+ -+#ifdef CONFIG_MEMORY_HOTPLUG -+#define add_meminit_latent_entropy -+#else -+#define add_meminit_latent_entropy __latent_entropy -+#endif -+ - /* These are for everybody (although not all archs will actually - discard it in modules) */ --#define __init __section(.init.text) __cold notrace -+#define __init __section(.init.text) __cold notrace add_init_latent_entropy - #define __initdata __section(.init.data) - #define __initconst __constsection(.init.rodata) - #define __exitdata __section(.exit.data) -@@ -100,7 +108,7 @@ - #define __cpuexitconst - - /* Used for MEMORY_HOTPLUG */ --#define __meminit __section(.meminit.text) __cold notrace -+#define __meminit __section(.meminit.text) __cold notrace add_meminit_latent_entropy - #define __meminitdata __section(.meminit.data) - #define __meminitconst __constsection(.meminit.rodata) - #define __memexit __section(.memexit.text) __exitused __cold notrace -diff --git a/include/linux/init_task.h b/include/linux/init_task.h -index 696d223..6d6b39f 100644 ---- a/include/linux/init_task.h -+++ b/include/linux/init_task.h -@@ -158,6 +158,12 @@ extern struct task_group root_task_group; - - #define INIT_TASK_COMM "swapper" - -+#ifdef CONFIG_X86 -+#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO, -+#else -+#define INIT_TASK_THREAD_INFO -+#endif -+ - #ifdef CONFIG_RT_MUTEXES - # define INIT_RT_MUTEXES(tsk) \ - .pi_waiters = RB_ROOT, \ -@@ -224,6 +230,7 @@ extern struct task_group root_task_group; - RCU_POINTER_INITIALIZER(cred, &init_cred), \ - .comm = INIT_TASK_COMM, \ - .thread = INIT_THREAD, \ -+ INIT_TASK_THREAD_INFO \ - .fs = &init_fs, \ - .files = &init_files, \ - .signal = &init_signals, \ -diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h -index 950ae45..df6ac60 100644 ---- a/include/linux/interrupt.h -+++ b/include/linux/interrupt.h -@@ -432,8 +432,8 @@ extern const char * const softirq_to_name[NR_SOFTIRQS]; - - struct softirq_action - { -- void (*action)(struct softirq_action *); --}; -+ void (*action)(void); -+} __no_const; - - asmlinkage void do_softirq(void); - asmlinkage void __do_softirq(void); -@@ -447,7 +447,7 @@ static inline void do_softirq_own_stack(void) - } - #endif - --extern void open_softirq(int nr, void (*action)(struct softirq_action *)); -+extern void open_softirq(int nr, void (*action)(void)); - extern void softirq_init(void); - extern void __raise_softirq_irqoff(unsigned int nr); - -diff --git a/include/linux/iommu.h b/include/linux/iommu.h -index 0546b87..46fd5b6 100644 ---- a/include/linux/iommu.h -+++ b/include/linux/iommu.h -@@ -174,7 +174,7 @@ struct iommu_ops { - - unsigned long pgsize_bitmap; - void *priv; --}; -+} __do_const; - - #define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */ - #define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */ -@@ -234,7 +234,7 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, - void *data); - struct device *iommu_device_create(struct device *parent, void *drvdata, - const struct attribute_group **groups, -- const char *fmt, ...); -+ const char *fmt, ...) __printf(4, 5); - void iommu_device_destroy(struct device *dev); - int iommu_device_link(struct device *dev, struct device *link); - void iommu_device_unlink(struct device *dev, struct device *link); -diff --git a/include/linux/ioport.h b/include/linux/ioport.h -index 388e3ae..d7e45a1 100644 ---- a/include/linux/ioport.h -+++ b/include/linux/ioport.h -@@ -161,7 +161,7 @@ struct resource *lookup_resource(struct resource *root, resource_size_t start); - int adjust_resource(struct resource *res, resource_size_t start, - resource_size_t size); - resource_size_t resource_alignment(struct resource *res); --static inline resource_size_t resource_size(const struct resource *res) -+static inline resource_size_t __intentional_overflow(-1) resource_size(const struct resource *res) - { - return res->end - res->start + 1; - } -diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h -index 1eee6bc..9cf4912 100644 ---- a/include/linux/ipc_namespace.h -+++ b/include/linux/ipc_namespace.h -@@ -60,7 +60,7 @@ struct ipc_namespace { - struct user_namespace *user_ns; - - struct ns_common ns; --}; -+} __randomize_layout; - - extern struct ipc_namespace init_ipc_ns; - extern atomic_t nr_ipc_ns; -diff --git a/include/linux/irq.h b/include/linux/irq.h -index 3532dca..03ffc0b 100644 ---- a/include/linux/irq.h -+++ b/include/linux/irq.h -@@ -370,7 +370,8 @@ struct irq_chip { - int (*irq_set_irqchip_state)(struct irq_data *data, enum irqchip_irq_state which, bool state); - - unsigned long flags; --}; -+} __do_const; -+typedef struct irq_chip __no_const irq_chip_no_const; - - /* - * irq_chip specific flags -diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h -index dd1109f..4f4fdda 100644 ---- a/include/linux/irqdesc.h -+++ b/include/linux/irqdesc.h -@@ -61,7 +61,7 @@ struct irq_desc { - unsigned int irq_count; /* For detecting broken IRQs */ - unsigned long last_unhandled; /* Aging timer for unhandled count */ - unsigned int irqs_unhandled; -- atomic_t threads_handled; -+ atomic_unchecked_t threads_handled; - int threads_handled_last; - raw_spinlock_t lock; - struct cpumask *percpu_enabled; -diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h -index 676d730..8d3a1ad 100644 ---- a/include/linux/irqdomain.h -+++ b/include/linux/irqdomain.h -@@ -40,6 +40,7 @@ struct device_node; - struct irq_domain; - struct of_device_id; - struct irq_chip; -+typedef struct irq_chip __no_const irq_chip_no_const; - struct irq_data; - - /* Number of irqs reserved for a legacy isa controller */ -diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h -index c367cbd..c9b79e6 100644 ---- a/include/linux/jiffies.h -+++ b/include/linux/jiffies.h -@@ -280,20 +280,20 @@ extern unsigned long preset_lpj; - /* - * Convert various time units to each other: - */ --extern unsigned int jiffies_to_msecs(const unsigned long j); --extern unsigned int jiffies_to_usecs(const unsigned long j); -+extern unsigned int jiffies_to_msecs(const unsigned long j) __intentional_overflow(-1); -+extern unsigned int jiffies_to_usecs(const unsigned long j) __intentional_overflow(-1); - --static inline u64 jiffies_to_nsecs(const unsigned long j) -+static inline u64 __intentional_overflow(-1) jiffies_to_nsecs(const unsigned long j) - { - return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC; - } - --extern unsigned long msecs_to_jiffies(const unsigned int m); --extern unsigned long usecs_to_jiffies(const unsigned int u); -+extern unsigned long msecs_to_jiffies(const unsigned int m) __intentional_overflow(-1); -+extern unsigned long usecs_to_jiffies(const unsigned int u) __intentional_overflow(-1); - extern unsigned long timespec_to_jiffies(const struct timespec *value); - extern void jiffies_to_timespec(const unsigned long jiffies, -- struct timespec *value); --extern unsigned long timeval_to_jiffies(const struct timeval *value); -+ struct timespec *value) __intentional_overflow(-1); -+extern unsigned long timeval_to_jiffies(const struct timeval *value) __intentional_overflow(-1); - extern void jiffies_to_timeval(const unsigned long jiffies, - struct timeval *value); - -diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h -index 6883e19..e854fcb 100644 ---- a/include/linux/kallsyms.h -+++ b/include/linux/kallsyms.h -@@ -15,7 +15,8 @@ - - struct module; - --#ifdef CONFIG_KALLSYMS -+#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS) -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* Lookup the address for a symbol. Returns 0 if not found. */ - unsigned long kallsyms_lookup_name(const char *name); - -@@ -106,6 +107,21 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u - /* Stupid that this does nothing, but I didn't create this mess. */ - #define __print_symbol(fmt, addr) - #endif /*CONFIG_KALLSYMS*/ -+#else /* when included by kallsyms.c, vsnprintf.c, kprobes.c, or -+ arch/x86/kernel/dumpstack.c, with HIDESYM enabled */ -+extern unsigned long kallsyms_lookup_name(const char *name); -+extern void __print_symbol(const char *fmt, unsigned long address); -+extern int sprint_backtrace(char *buffer, unsigned long address); -+extern int sprint_symbol(char *buffer, unsigned long address); -+extern int sprint_symbol_no_offset(char *buffer, unsigned long address); -+const char *kallsyms_lookup(unsigned long addr, -+ unsigned long *symbolsize, -+ unsigned long *offset, -+ char **modname, char *namebuf); -+extern int kallsyms_lookup_size_offset(unsigned long addr, -+ unsigned long *symbolsize, -+ unsigned long *offset); -+#endif - - /* This macro allows us to keep printk typechecking */ - static __printf(1, 2) -diff --git a/include/linux/kernel.h b/include/linux/kernel.h -index 3a5b48e..240107b 100644 ---- a/include/linux/kernel.h -+++ b/include/linux/kernel.h -@@ -390,7 +390,7 @@ static inline int __must_check kstrtos32_from_user(const char __user *s, size_t - /* Obsolete, do not use. Use kstrto<foo> instead */ - - extern unsigned long simple_strtoul(const char *,char **,unsigned int); --extern long simple_strtol(const char *,char **,unsigned int); -+extern long simple_strtol(const char *,char **,unsigned int) __intentional_overflow(-1); - extern unsigned long long simple_strtoull(const char *,char **,unsigned int); - extern long long simple_strtoll(const char *,char **,unsigned int); - -@@ -410,7 +410,8 @@ extern __printf(3, 0) - int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); - extern __printf(2, 3) - char *kasprintf(gfp_t gfp, const char *fmt, ...); --extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); -+extern __printf(2, 0) -+char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); - - extern __scanf(2, 3) - int sscanf(const char *, const char *, ...); -@@ -681,10 +682,10 @@ do { \ - __ftrace_vprintk(_THIS_IP_, fmt, vargs); \ - } while (0) - --extern int -+extern __printf(2, 0) int - __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap); - --extern int -+extern __printf(2, 0) int - __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); - - extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); -@@ -704,7 +705,7 @@ int trace_printk(const char *fmt, ...) - { - return 0; - } --static inline int -+static __printf(1, 0) inline int - ftrace_vprintk(const char *fmt, va_list ap) - { - return 0; -diff --git a/include/linux/key-type.h b/include/linux/key-type.h -index ff9f1d3..6712be5 100644 ---- a/include/linux/key-type.h -+++ b/include/linux/key-type.h -@@ -152,7 +152,7 @@ struct key_type { - /* internal fields */ - struct list_head link; /* link in types list */ - struct lock_class_key lock_class; /* key->sem lock class */ --}; -+} __do_const; - - extern struct key_type key_type_keyring; - -diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h -index e465bb1..19f605fd 100644 ---- a/include/linux/kgdb.h -+++ b/include/linux/kgdb.h -@@ -52,7 +52,7 @@ extern int kgdb_connected; - extern int kgdb_io_module_registered; - - extern atomic_t kgdb_setting_breakpoint; --extern atomic_t kgdb_cpu_doing_single_step; -+extern atomic_unchecked_t kgdb_cpu_doing_single_step; - - extern struct task_struct *kgdb_usethread; - extern struct task_struct *kgdb_contthread; -@@ -254,7 +254,7 @@ struct kgdb_arch { - void (*correct_hw_break)(void); - - void (*enable_nmi)(bool on); --}; -+} __do_const; - - /** - * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB. -@@ -279,7 +279,7 @@ struct kgdb_io { - void (*pre_exception) (void); - void (*post_exception) (void); - int is_console; --}; -+} __do_const; - - extern struct kgdb_arch arch_kgdb_ops; - -diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h -index d0a1f99..0bd8b7c 100644 ---- a/include/linux/kmemleak.h -+++ b/include/linux/kmemleak.h -@@ -27,7 +27,7 @@ - - extern void kmemleak_init(void) __ref; - extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, -- gfp_t gfp) __ref; -+ gfp_t gfp) __ref __size_overflow(2); - extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, - gfp_t gfp) __ref; - extern void kmemleak_free(const void *ptr) __ref; -@@ -63,7 +63,7 @@ static inline void kmemleak_erase(void **ptr) - static inline void kmemleak_init(void) - { - } --static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, -+static inline void __size_overflow(2) kmemleak_alloc(const void *ptr, size_t size, int min_count, - gfp_t gfp) - { - } -diff --git a/include/linux/kmod.h b/include/linux/kmod.h -index 0555cc6..40116ce 100644 ---- a/include/linux/kmod.h -+++ b/include/linux/kmod.h -@@ -34,6 +34,8 @@ extern char modprobe_path[]; /* for sysctl */ - * usually useless though. */ - extern __printf(2, 3) - int __request_module(bool wait, const char *name, ...); -+extern __printf(3, 4) -+int ___request_module(bool wait, char *param_name, const char *name, ...); - #define request_module(mod...) __request_module(true, mod) - #define request_module_nowait(mod...) __request_module(false, mod) - #define try_then_request_module(x, mod...) \ -@@ -57,6 +59,9 @@ struct subprocess_info { - struct work_struct work; - struct completion *complete; - char *path; -+#ifdef CONFIG_GRKERNSEC -+ char *origpath; -+#endif - char **argv; - char **envp; - int wait; -diff --git a/include/linux/kobject.h b/include/linux/kobject.h -index 2d61b90..3d69945 100644 ---- a/include/linux/kobject.h -+++ b/include/linux/kobject.h -@@ -80,8 +80,9 @@ struct kobject { - - extern __printf(2, 3) - int kobject_set_name(struct kobject *kobj, const char *name, ...); --extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, -- va_list vargs); -+extern __printf(2, 0) -+int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, -+ va_list vargs); - - static inline const char *kobject_name(const struct kobject *kobj) - { -@@ -118,7 +119,7 @@ struct kobj_type { - struct attribute **default_attrs; - const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj); - const void *(*namespace)(struct kobject *kobj); --}; -+} __do_const; - - struct kobj_uevent_env { - char *argv[3]; -@@ -142,6 +143,7 @@ struct kobj_attribute { - ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count); - }; -+typedef struct kobj_attribute __no_const kobj_attribute_no_const; - - extern const struct sysfs_ops kobj_sysfs_ops; - -@@ -169,7 +171,7 @@ struct kset { - spinlock_t list_lock; - struct kobject kobj; - const struct kset_uevent_ops *uevent_ops; --}; -+} __randomize_layout; - - extern void kset_init(struct kset *kset); - extern int __must_check kset_register(struct kset *kset); -diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h -index df32d25..fb52e27 100644 ---- a/include/linux/kobject_ns.h -+++ b/include/linux/kobject_ns.h -@@ -44,7 +44,7 @@ struct kobj_ns_type_operations { - const void *(*netlink_ns)(struct sock *sk); - const void *(*initial_ns)(void); - void (*drop_ns)(void *); --}; -+} __do_const; - - int kobj_ns_type_register(const struct kobj_ns_type_operations *ops); - int kobj_ns_type_registered(enum kobj_ns_type type); -diff --git a/include/linux/kref.h b/include/linux/kref.h -index 484604d..0f6c5b6 100644 ---- a/include/linux/kref.h -+++ b/include/linux/kref.h -@@ -68,7 +68,7 @@ static inline void kref_get(struct kref *kref) - static inline int kref_sub(struct kref *kref, unsigned int count, - void (*release)(struct kref *kref)) - { -- WARN_ON(release == NULL); -+ BUG_ON(release == NULL); - - if (atomic_sub_and_test((int) count, &kref->refcount)) { - release(kref); -diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h -index ad45054..7c54663 100644 ---- a/include/linux/kvm_host.h -+++ b/include/linux/kvm_host.h -@@ -455,7 +455,7 @@ static inline void kvm_irqfd_exit(void) - { - } - #endif --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module); - void kvm_exit(void); - -@@ -633,7 +633,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg); - int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); - --int kvm_arch_init(void *opaque); -+int kvm_arch_init(const void *opaque); - void kvm_arch_exit(void); - - int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); -diff --git a/include/linux/libata.h b/include/linux/libata.h -index e0e3378..38e206f 100644 ---- a/include/linux/libata.h -+++ b/include/linux/libata.h -@@ -991,7 +991,7 @@ struct ata_port_operations { - * fields must be pointers. - */ - const struct ata_port_operations *inherits; --}; -+} __do_const; - - struct ata_port_info { - unsigned long flags; -diff --git a/include/linux/linkage.h b/include/linux/linkage.h -index a6a42dd..6c5ebce 100644 ---- a/include/linux/linkage.h -+++ b/include/linux/linkage.h -@@ -36,6 +36,7 @@ - #endif - - #define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE) -+#define __page_aligned_rodata __read_only __aligned(PAGE_SIZE) - #define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE) - - /* -diff --git a/include/linux/list.h b/include/linux/list.h -index feb773c..98f3075 100644 ---- a/include/linux/list.h -+++ b/include/linux/list.h -@@ -113,6 +113,19 @@ extern void __list_del_entry(struct list_head *entry); - extern void list_del(struct list_head *entry); - #endif - -+extern void __pax_list_add(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next); -+static inline void pax_list_add(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add(new, head, head->next); -+} -+static inline void pax_list_add_tail(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add(new, head->prev, head); -+} -+extern void pax_list_del(struct list_head *entry); -+ - /** - * list_replace - replace old entry by new one - * @old : the element to be replaced -@@ -146,6 +159,8 @@ static inline void list_del_init(struct list_head *entry) - INIT_LIST_HEAD(entry); - } - -+extern void pax_list_del_init(struct list_head *entry); -+ - /** - * list_move - delete from one list and add as another's head - * @list: the entry to move -diff --git a/include/linux/lockref.h b/include/linux/lockref.h -index b10b122..d37b3de 100644 ---- a/include/linux/lockref.h -+++ b/include/linux/lockref.h -@@ -28,7 +28,7 @@ struct lockref { - #endif - struct { - spinlock_t lock; -- int count; -+ atomic_t count; - }; - }; - }; -@@ -43,9 +43,29 @@ extern void lockref_mark_dead(struct lockref *); - extern int lockref_get_not_dead(struct lockref *); - - /* Must be called under spinlock for reliable results */ --static inline int __lockref_is_dead(const struct lockref *l) -+static inline int __lockref_is_dead(const struct lockref *lockref) - { -- return ((int)l->count < 0); -+ return atomic_read(&lockref->count) < 0; -+} -+ -+static inline int __lockref_read(const struct lockref *lockref) -+{ -+ return atomic_read(&lockref->count); -+} -+ -+static inline void __lockref_set(struct lockref *lockref, int count) -+{ -+ atomic_set(&lockref->count, count); -+} -+ -+static inline void __lockref_inc(struct lockref *lockref) -+{ -+ atomic_inc(&lockref->count); -+} -+ -+static inline void __lockref_dec(struct lockref *lockref) -+{ -+ atomic_dec(&lockref->count); - } - - #endif /* __LINUX_LOCKREF_H */ -diff --git a/include/linux/math64.h b/include/linux/math64.h -index c45c089..298841c 100644 ---- a/include/linux/math64.h -+++ b/include/linux/math64.h -@@ -15,7 +15,7 @@ - * This is commonly provided by 32bit archs to provide an optimized 64bit - * divide. - */ --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - *remainder = dividend % divisor; - return dividend / divisor; -@@ -42,7 +42,7 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder) - /** - * div64_u64 - unsigned 64bit divide with 64bit divisor - */ --static inline u64 div64_u64(u64 dividend, u64 divisor) -+static inline u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor) - { - return dividend / divisor; - } -@@ -61,7 +61,7 @@ static inline s64 div64_s64(s64 dividend, s64 divisor) - #define div64_ul(x, y) div_u64((x), (y)) - - #ifndef div_u64_rem --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - *remainder = do_div(dividend, divisor); - return dividend; -@@ -77,7 +77,7 @@ extern u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder); - #endif - - #ifndef div64_u64 --extern u64 div64_u64(u64 dividend, u64 divisor); -+extern u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor); - #endif - - #ifndef div64_s64 -@@ -94,7 +94,7 @@ extern s64 div64_s64(s64 dividend, s64 divisor); - * divide. - */ - #ifndef div_u64 --static inline u64 div_u64(u64 dividend, u32 divisor) -+static inline u64 __intentional_overflow(-1) div_u64(u64 dividend, u32 divisor) - { - u32 remainder; - return div_u64_rem(dividend, divisor, &remainder); -diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h -index 3d385c8..deacb6a 100644 ---- a/include/linux/mempolicy.h -+++ b/include/linux/mempolicy.h -@@ -91,6 +91,10 @@ static inline struct mempolicy *mpol_dup(struct mempolicy *pol) - } - - #define vma_policy(vma) ((vma)->vm_policy) -+static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol) -+{ -+ vma->vm_policy = pol; -+} - - static inline void mpol_get(struct mempolicy *pol) - { -@@ -229,6 +233,9 @@ static inline void mpol_free_shared_policy(struct shared_policy *p) - } - - #define vma_policy(vma) NULL -+static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol) -+{ -+} - - static inline int - vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst) -diff --git a/include/linux/mm.h b/include/linux/mm.h -index 0755b9f..bf8eab1 100644 ---- a/include/linux/mm.h -+++ b/include/linux/mm.h -@@ -135,6 +135,11 @@ extern unsigned int kobjsize(const void *objp); - - #define VM_DONTCOPY 0x00020000 /* Do not copy this vma on fork */ - #define VM_DONTEXPAND 0x00040000 /* Cannot expand with mremap() */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+#define VM_PAGEEXEC 0x00080000 /* vma->vm_page_prot needs special handling */ -+#endif -+ - #define VM_ACCOUNT 0x00100000 /* Is a VM accounted object */ - #define VM_NORESERVE 0x00200000 /* should the VM suppress accounting */ - #define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */ -@@ -257,8 +262,8 @@ struct vm_operations_struct { - /* called by access_process_vm when get_user_pages() fails, typically - * for use by special VMAs that can switch between memory and hardware - */ -- int (*access)(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write); -+ ssize_t (*access)(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write); - - /* Called by the /proc/PID/maps code to ask the vma whether it - * has a special name. Returning non-NULL will also cause this -@@ -296,6 +301,7 @@ struct vm_operations_struct { - struct page *(*find_special_page)(struct vm_area_struct *vma, - unsigned long addr); - }; -+typedef struct vm_operations_struct __no_const vm_operations_struct_no_const; - - struct mmu_gather; - struct inode; -@@ -1002,6 +1008,34 @@ static inline int page_mapped(struct page *page) - } - - /* -+ * Return true only if the page has been allocated with -+ * ALLOC_NO_WATERMARKS and the low watermark was not -+ * met implying that the system is under some pressure. -+ */ -+static inline bool page_is_pfmemalloc(struct page *page) -+{ -+ /* -+ * Page index cannot be this large so this must be -+ * a pfmemalloc page. -+ */ -+ return page->index == -1UL; -+} -+ -+/* -+ * Only to be called by the page allocator on a freshly allocated -+ * page. -+ */ -+static inline void set_page_pfmemalloc(struct page *page) -+{ -+ page->index = -1UL; -+} -+ -+static inline void clear_page_pfmemalloc(struct page *page) -+{ -+ page->index = 0; -+} -+ -+/* - * Different kinds of faults, as returned by handle_mm_fault(). - * Used to decide whether a process gets delivered SIGBUS or - * just gets major/minor fault counters bumped up. -@@ -1131,8 +1165,8 @@ int follow_pfn(struct vm_area_struct *vma, unsigned long address, - unsigned long *pfn); - int follow_phys(struct vm_area_struct *vma, unsigned long address, - unsigned int flags, unsigned long *prot, resource_size_t *phys); --int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write); -+ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write); - - static inline void unmap_shared_mapping_range(struct address_space *mapping, - loff_t const holebegin, loff_t const holelen) -@@ -1172,9 +1206,9 @@ static inline int fixup_user_fault(struct task_struct *tsk, - } - #endif - --extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write); --extern int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write); -+extern ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write); -+extern ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write); - - long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, unsigned long nr_pages, -@@ -1219,34 +1253,6 @@ int clear_page_dirty_for_io(struct page *page); - - int get_cmdline(struct task_struct *task, char *buffer, int buflen); - --/* Is the vma a continuation of the stack vma above it? */ --static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN); --} -- --static inline int stack_guard_page_start(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSDOWN) && -- (vma->vm_start == addr) && -- !vma_growsdown(vma->vm_prev, addr); --} -- --/* Is the vma a continuation of the stack vma below it? */ --static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP); --} -- --static inline int stack_guard_page_end(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSUP) && -- (vma->vm_end == addr) && -- !vma_growsup(vma->vm_next, addr); --} -- - extern struct task_struct *task_of_stack(struct task_struct *task, - struct vm_area_struct *vma, bool in_group); - -@@ -1369,8 +1375,15 @@ static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, - { - return 0; - } -+ -+static inline int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, -+ unsigned long address) -+{ -+ return 0; -+} - #else - int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address); -+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address); - #endif - - #if defined(__PAGETABLE_PMD_FOLDED) || !defined(CONFIG_MMU) -@@ -1380,6 +1393,12 @@ static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud, - return 0; - } - -+static inline int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, -+ unsigned long address) -+{ -+ return 0; -+} -+ - static inline void mm_nr_pmds_init(struct mm_struct *mm) {} - - static inline unsigned long mm_nr_pmds(struct mm_struct *mm) -@@ -1392,6 +1411,7 @@ static inline void mm_dec_nr_pmds(struct mm_struct *mm) {} - - #else - int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address); -+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address); - - static inline void mm_nr_pmds_init(struct mm_struct *mm) - { -@@ -1429,11 +1449,23 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long a - NULL: pud_offset(pgd, address); - } - -+static inline pud_t *pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address) -+{ -+ return (unlikely(pgd_none(*pgd)) && __pud_alloc_kernel(mm, pgd, address))? -+ NULL: pud_offset(pgd, address); -+} -+ - static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address) - { - return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))? - NULL: pmd_offset(pud, address); - } -+ -+static inline pmd_t *pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address) -+{ -+ return (unlikely(pud_none(*pud)) && __pmd_alloc_kernel(mm, pud, address))? -+ NULL: pmd_offset(pud, address); -+} - #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ - - #if USE_SPLIT_PTE_PTLOCKS -@@ -1810,12 +1842,23 @@ extern struct vm_area_struct *copy_vma(struct vm_area_struct **, - bool *need_rmap_locks); - extern void exit_mmap(struct mm_struct *); - -+#if defined(CONFIG_GRKERNSEC) && (defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC)) -+extern void gr_learn_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt); -+#else -+static inline void gr_learn_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt) -+{ -+} -+#endif -+ - static inline int check_data_rlimit(unsigned long rlim, - unsigned long new, - unsigned long start, - unsigned long end_data, - unsigned long start_data) - { -+ gr_learn_resource(current, RLIMIT_DATA, (new - start) + (end_data - start_data), 1); - if (rlim < RLIM_INFINITY) { - if (((new - start) + (end_data - start_data)) > rlim) - return -ENOSPC; -@@ -1840,7 +1883,7 @@ extern int install_special_mapping(struct mm_struct *mm, - unsigned long addr, unsigned long len, - unsigned long flags, struct page **pages); - --extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); -+extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) __intentional_overflow(-1); - - extern unsigned long mmap_region(struct file *file, unsigned long addr, - unsigned long len, vm_flags_t vm_flags, unsigned long pgoff); -@@ -1848,6 +1891,7 @@ extern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - unsigned long len, unsigned long prot, unsigned long flags, - unsigned long pgoff, unsigned long *populate); - extern int do_munmap(struct mm_struct *, unsigned long, size_t); -+extern int __do_munmap(struct mm_struct *, unsigned long, size_t); - - #ifdef CONFIG_MMU - extern int __mm_populate(unsigned long addr, unsigned long len, -@@ -1876,10 +1920,11 @@ struct vm_unmapped_area_info { - unsigned long high_limit; - unsigned long align_mask; - unsigned long align_offset; -+ unsigned long threadstack_offset; - }; - --extern unsigned long unmapped_area(struct vm_unmapped_area_info *info); --extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info); -+extern unsigned long unmapped_area(const struct vm_unmapped_area_info *info); -+extern unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info); - - /* - * Search for an unmapped address range. -@@ -1891,7 +1936,7 @@ extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info); - * - satisfies (begin_addr & align_mask) == (align_offset & align_mask) - */ - static inline unsigned long --vm_unmapped_area(struct vm_unmapped_area_info *info) -+vm_unmapped_area(const struct vm_unmapped_area_info *info) - { - if (info->flags & VM_UNMAPPED_AREA_TOPDOWN) - return unmapped_area_topdown(info); -@@ -1953,6 +1998,10 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add - extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr, - struct vm_area_struct **pprev); - -+extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma); -+extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma); -+extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl); -+ - /* Look up the first VMA which intersects the interval start_addr..end_addr-1, - NULL if none. Assume start_addr < end_addr. */ - static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr) -@@ -1982,10 +2031,10 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm, - } - - #ifdef CONFIG_MMU --pgprot_t vm_get_page_prot(unsigned long vm_flags); -+pgprot_t vm_get_page_prot(vm_flags_t vm_flags); - void vma_set_page_prot(struct vm_area_struct *vma); - #else --static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) -+static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags) - { - return __pgprot(0); - } -@@ -2047,6 +2096,11 @@ void vm_stat_account(struct mm_struct *, unsigned long, struct file *, long); - static inline void vm_stat_account(struct mm_struct *mm, - unsigned long flags, struct file *file, long pages) - { -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif -+ - mm->total_vm += pages; - } - #endif /* CONFIG_PROC_FS */ -@@ -2149,7 +2203,7 @@ extern int unpoison_memory(unsigned long pfn); - extern int sysctl_memory_failure_early_kill; - extern int sysctl_memory_failure_recovery; - extern void shake_page(struct page *p, int access); --extern atomic_long_t num_poisoned_pages; -+extern atomic_long_unchecked_t num_poisoned_pages; - extern int soft_offline_page(struct page *page, int flags); - - #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS) -@@ -2200,5 +2254,11 @@ void __init setup_nr_node_ids(void); - static inline void setup_nr_node_ids(void) {} - #endif - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot); -+#else -+static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {} -+#endif -+ - #endif /* __KERNEL__ */ - #endif /* _LINUX_MM_H */ -diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h -index 8d37e26..29c54c9 100644 ---- a/include/linux/mm_types.h -+++ b/include/linux/mm_types.h -@@ -63,15 +63,6 @@ struct page { - union { - pgoff_t index; /* Our offset within mapping. */ - void *freelist; /* sl[aou]b first free object */ -- bool pfmemalloc; /* If set by the page allocator, -- * ALLOC_NO_WATERMARKS was set -- * and the low watermark was not -- * met implying that the system -- * is under some pressure. The -- * caller should try ensure -- * this page is only used to -- * free other pages. -- */ - }; - - union { -@@ -313,7 +304,9 @@ struct vm_area_struct { - #ifdef CONFIG_NUMA - struct mempolicy *vm_policy; /* NUMA policy for the VMA */ - #endif --}; -+ -+ struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */ -+} __randomize_layout; - - struct core_thread { - struct task_struct *task; -@@ -466,7 +459,25 @@ struct mm_struct { - /* address of the bounds directory */ - void __user *bd_addr; - #endif --}; -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ unsigned long pax_flags; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ unsigned long call_dl_resolve; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ unsigned long call_syscall; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ unsigned long delta_mmap; /* randomized offset */ -+ unsigned long delta_stack; /* randomized offset */ -+#endif -+ -+} __randomize_layout; - - static inline void mm_init_cpumask(struct mm_struct *mm) - { -diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h -index c5d5278..85cd5ce 100644 ---- a/include/linux/mmiotrace.h -+++ b/include/linux/mmiotrace.h -@@ -46,7 +46,7 @@ extern int kmmio_handler(struct pt_regs *regs, unsigned long addr); - /* Called from ioremap.c */ - extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size, - void __iomem *addr); --extern void mmiotrace_iounmap(volatile void __iomem *addr); -+extern void mmiotrace_iounmap(const volatile void __iomem *addr); - - /* For anyone to insert markers. Remember trailing newline. */ - extern __printf(1, 2) int mmiotrace_printk(const char *fmt, ...); -@@ -66,7 +66,7 @@ static inline void mmiotrace_ioremap(resource_size_t offset, - { - } - --static inline void mmiotrace_iounmap(volatile void __iomem *addr) -+static inline void mmiotrace_iounmap(const volatile void __iomem *addr) - { - } - -@@ -106,6 +106,6 @@ extern void enable_mmiotrace(void); - extern void disable_mmiotrace(void); - extern void mmio_trace_rw(struct mmiotrace_rw *rw); - extern void mmio_trace_mapping(struct mmiotrace_map *map); --extern int mmio_trace_printk(const char *fmt, va_list args); -+extern __printf(1, 0) int mmio_trace_printk(const char *fmt, va_list args); - - #endif /* _LINUX_MMIOTRACE_H */ -diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h -index 54d74f6..0728424 100644 ---- a/include/linux/mmzone.h -+++ b/include/linux/mmzone.h -@@ -526,7 +526,7 @@ struct zone { - - ZONE_PADDING(_pad3_) - /* Zone statistics */ -- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - } ____cacheline_internodealigned_in_smp; - - enum zone_flags { -diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h -index 3bfd567..72e7d8f 100644 ---- a/include/linux/mod_devicetable.h -+++ b/include/linux/mod_devicetable.h -@@ -139,7 +139,7 @@ struct usb_device_id { - #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 - #define USB_DEVICE_ID_MATCH_INT_NUMBER 0x0400 - --#define HID_ANY_ID (~0) -+#define HID_ANY_ID (~0U) - #define HID_BUS_ANY 0xffff - #define HID_GROUP_ANY 0x0000 - -@@ -470,7 +470,7 @@ struct dmi_system_id { - const char *ident; - struct dmi_strmatch matches[4]; - void *driver_data; --}; -+} __do_const; - /* - * struct dmi_device_id appears during expansion of - * "MODULE_DEVICE_TABLE(dmi, x)". Compiler doesn't look inside it -diff --git a/include/linux/module.h b/include/linux/module.h -index c883b86..516812e 100644 ---- a/include/linux/module.h -+++ b/include/linux/module.h -@@ -17,9 +17,11 @@ - #include <linux/moduleparam.h> - #include <linux/jump_label.h> - #include <linux/export.h> -+#include <linux/fs.h> - - #include <linux/percpu.h> - #include <asm/module.h> -+#include <asm/pgtable.h> - - /* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */ - #define MODULE_SIG_STRING "~Module signature appended~\n" -@@ -42,7 +44,7 @@ struct module_kobject { - struct kobject *drivers_dir; - struct module_param_attrs *mp; - struct completion *kobj_completion; --}; -+} __randomize_layout; - - struct module_attribute { - struct attribute attr; -@@ -54,12 +56,13 @@ struct module_attribute { - int (*test)(struct module *); - void (*free)(struct module *); - }; -+typedef struct module_attribute __no_const module_attribute_no_const; - - struct module_version_attribute { - struct module_attribute mattr; - const char *module_name; - const char *version; --} __attribute__ ((__aligned__(sizeof(void *)))); -+} __do_const __attribute__ ((__aligned__(sizeof(void *)))); - - extern ssize_t __modver_version_show(struct module_attribute *, - struct module_kobject *, char *); -@@ -221,7 +224,7 @@ struct module { - - /* Sysfs stuff. */ - struct module_kobject mkobj; -- struct module_attribute *modinfo_attrs; -+ module_attribute_no_const *modinfo_attrs; - const char *version; - const char *srcversion; - struct kobject *holders_dir; -@@ -270,19 +273,16 @@ struct module { - int (*init)(void); - - /* If this is non-NULL, vfree after init() returns */ -- void *module_init; -+ void *module_init_rx, *module_init_rw; - - /* Here is the actual code + data, vfree'd on unload. */ -- void *module_core; -+ void *module_core_rx, *module_core_rw; - - /* Here are the sizes of the init and core sections */ -- unsigned int init_size, core_size; -+ unsigned int init_size_rw, core_size_rw; - - /* The size of the executable code in each section. */ -- unsigned int init_text_size, core_text_size; -- -- /* Size of RO sections of the module (text+rodata) */ -- unsigned int init_ro_size, core_ro_size; -+ unsigned int init_size_rx, core_size_rx; - - /* Arch-specific module values */ - struct mod_arch_specific arch; -@@ -340,6 +340,10 @@ struct module { - unsigned int num_trace_events; - struct trace_enum_map **trace_enums; - unsigned int num_trace_enums; -+ struct file_operations trace_id; -+ struct file_operations trace_enable; -+ struct file_operations trace_format; -+ struct file_operations trace_filter; - #endif - #ifdef CONFIG_FTRACE_MCOUNT_RECORD - unsigned int num_ftrace_callsites; -@@ -367,7 +371,7 @@ struct module { - ctor_fn_t *ctors; - unsigned int num_ctors; - #endif --}; -+} __randomize_layout; - #ifndef MODULE_ARCH_INIT - #define MODULE_ARCH_INIT {} - #endif -@@ -388,18 +392,48 @@ bool is_module_address(unsigned long addr); - bool is_module_percpu_address(unsigned long addr); - bool is_module_text_address(unsigned long addr); - -+static inline int within_module_range(unsigned long addr, void *start, unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (ktla_ktva(addr) >= (unsigned long)start && -+ ktla_ktva(addr) < (unsigned long)start + size) -+ return 1; -+#endif -+ -+ return ((void *)addr >= start && (void *)addr < start + size); -+} -+ -+static inline int within_module_core_rx(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rx, mod->core_size_rx); -+} -+ -+static inline int within_module_core_rw(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rw, mod->core_size_rw); -+} -+ -+static inline int within_module_init_rx(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rx, mod->init_size_rx); -+} -+ -+static inline int within_module_init_rw(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rw, mod->init_size_rw); -+} -+ - static inline bool within_module_core(unsigned long addr, - const struct module *mod) - { -- return (unsigned long)mod->module_core <= addr && -- addr < (unsigned long)mod->module_core + mod->core_size; -+ return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod); - } - - static inline bool within_module_init(unsigned long addr, - const struct module *mod) - { -- return (unsigned long)mod->module_init <= addr && -- addr < (unsigned long)mod->module_init + mod->init_size; -+ return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod); - } - - static inline bool within_module(unsigned long addr, const struct module *mod) -diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h -index 4d0cb9b..3169ac7 100644 ---- a/include/linux/moduleloader.h -+++ b/include/linux/moduleloader.h -@@ -25,9 +25,21 @@ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section); - sections. Returns NULL on failure. */ - void *module_alloc(unsigned long size); - -+#ifdef CONFIG_PAX_KERNEXEC -+void *module_alloc_exec(unsigned long size); -+#else -+#define module_alloc_exec(x) module_alloc(x) -+#endif -+ - /* Free memory returned from module_alloc. */ - void module_memfree(void *module_region); - -+#ifdef CONFIG_PAX_KERNEXEC -+void module_memfree_exec(void *module_region); -+#else -+#define module_memfree_exec(x) module_memfree((x)) -+#endif -+ - /* - * Apply the given relocation to the (simplified) ELF. Return -error - * or 0. -@@ -45,8 +57,10 @@ static inline int apply_relocate(Elf_Shdr *sechdrs, - unsigned int relsec, - struct module *me) - { -+#ifdef CONFIG_MODULES - printk(KERN_ERR "module %s: REL relocation unsupported\n", - module_name(me)); -+#endif - return -ENOEXEC; - } - #endif -@@ -68,8 +82,10 @@ static inline int apply_relocate_add(Elf_Shdr *sechdrs, - unsigned int relsec, - struct module *me) - { -+#ifdef CONFIG_MODULES - printk(KERN_ERR "module %s: REL relocation unsupported\n", - module_name(me)); -+#endif - return -ENOEXEC; - } - #endif -diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h -index 1c9effa..1160bdd 100644 ---- a/include/linux/moduleparam.h -+++ b/include/linux/moduleparam.h -@@ -323,7 +323,7 @@ static inline void __kernel_param_unlock(void) - * @len is usually just sizeof(string). - */ - #define module_param_string(name, string, len, perm) \ -- static const struct kparam_string __param_string_##name \ -+ static const struct kparam_string __param_string_##name __used \ - = { len, string }; \ - __module_param_call(MODULE_PARAM_PREFIX, name, \ - &param_ops_string, \ -@@ -467,7 +467,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp); - */ - #define module_param_array_named(name, array, type, nump, perm) \ - param_check_##type(name, &(array)[0]); \ -- static const struct kparam_array __param_arr_##name \ -+ static const struct kparam_array __param_arr_##name __used \ - = { .max = ARRAY_SIZE(array), .num = nump, \ - .ops = &param_ops_##type, \ - .elemsize = sizeof(array[0]), .elem = array }; \ -diff --git a/include/linux/mount.h b/include/linux/mount.h -index f822c3c..958ca0a 100644 ---- a/include/linux/mount.h -+++ b/include/linux/mount.h -@@ -67,7 +67,7 @@ struct vfsmount { - struct dentry *mnt_root; /* root of the mounted tree */ - struct super_block *mnt_sb; /* pointer to superblock */ - int mnt_flags; --}; -+} __randomize_layout; - - struct file; /* forward dec */ - struct path; -diff --git a/include/linux/namei.h b/include/linux/namei.h -index c899077..b9a2010 100644 ---- a/include/linux/namei.h -+++ b/include/linux/namei.h -@@ -71,8 +71,8 @@ extern struct dentry *lock_rename(struct dentry *, struct dentry *); - extern void unlock_rename(struct dentry *, struct dentry *); - - extern void nd_jump_link(struct nameidata *nd, struct path *path); --extern void nd_set_link(struct nameidata *nd, char *path); --extern char *nd_get_link(struct nameidata *nd); -+extern void nd_set_link(struct nameidata *nd, const char *path); -+extern const char *nd_get_link(const struct nameidata *nd); - - static inline void nd_terminate_link(void *name, size_t len, size_t maxlen) - { -diff --git a/include/linux/net.h b/include/linux/net.h -index 738ea48..409dc09 100644 ---- a/include/linux/net.h -+++ b/include/linux/net.h -@@ -190,7 +190,7 @@ struct net_proto_family { - int (*create)(struct net *net, struct socket *sock, - int protocol, int kern); - struct module *owner; --}; -+} __do_const; - - struct iovec; - struct kvec; -diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h -index 05b9a69..4d7e300 100644 ---- a/include/linux/netdevice.h -+++ b/include/linux/netdevice.h -@@ -1208,6 +1208,7 @@ struct net_device_ops { - u32 maxrate); - int (*ndo_get_iflink)(const struct net_device *dev); - }; -+typedef struct net_device_ops __no_const net_device_ops_no_const; - - /** - * enum net_device_priv_flags - &struct net_device priv_flags -@@ -1515,7 +1516,7 @@ struct net_device { - unsigned long base_addr; - int irq; - -- atomic_t carrier_changes; -+ atomic_unchecked_t carrier_changes; - - /* - * Some hardware also needs these fields (state,dev_list, -@@ -1554,8 +1555,8 @@ struct net_device { - - struct net_device_stats stats; - -- atomic_long_t rx_dropped; -- atomic_long_t tx_dropped; -+ atomic_long_unchecked_t rx_dropped; -+ atomic_long_unchecked_t tx_dropped; - - #ifdef CONFIG_WIRELESS_EXT - const struct iw_handler_def * wireless_handlers; -diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h -index 63560d0..64aba5c 100644 ---- a/include/linux/netfilter.h -+++ b/include/linux/netfilter.h -@@ -113,7 +113,7 @@ struct nf_sockopt_ops { - #endif - /* Use the module struct to lock set/get code in place */ - struct module *owner; --}; -+} __do_const; - - /* Function to register/unregister hook points. */ - int nf_register_hook(struct nf_hook_ops *reg); -diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h -index e955d47..04a5338 100644 ---- a/include/linux/netfilter/nfnetlink.h -+++ b/include/linux/netfilter/nfnetlink.h -@@ -19,7 +19,7 @@ struct nfnl_callback { - const struct nlattr * const cda[]); - const struct nla_policy *policy; /* netlink attribute policy */ - const u_int16_t attr_count; /* number of nlattr's */ --}; -+} __do_const; - - struct nfnetlink_subsystem { - const char *name; -diff --git a/include/linux/netfilter/xt_gradm.h b/include/linux/netfilter/xt_gradm.h -new file mode 100644 -index 0000000..33f4af8 ---- /dev/null -+++ b/include/linux/netfilter/xt_gradm.h -@@ -0,0 +1,9 @@ -+#ifndef _LINUX_NETFILTER_XT_GRADM_H -+#define _LINUX_NETFILTER_XT_GRADM_H 1 -+ -+struct xt_gradm_mtinfo { -+ __u16 flags; -+ __u16 invflags; -+}; -+ -+#endif -diff --git a/include/linux/nls.h b/include/linux/nls.h -index 520681b..2b7fabb 100644 ---- a/include/linux/nls.h -+++ b/include/linux/nls.h -@@ -31,7 +31,7 @@ struct nls_table { - const unsigned char *charset2upper; - struct module *owner; - struct nls_table *next; --}; -+} __do_const; - - /* this value hold the maximum octet of charset */ - #define NLS_MAX_CHARSET_SIZE 6 /* for UTF-8 */ -@@ -46,7 +46,7 @@ enum utf16_endian { - /* nls_base.c */ - extern int __register_nls(struct nls_table *, struct module *); - extern int unregister_nls(struct nls_table *); --extern struct nls_table *load_nls(char *); -+extern struct nls_table *load_nls(const char *); - extern void unload_nls(struct nls_table *); - extern struct nls_table *load_nls_default(void); - #define register_nls(nls) __register_nls((nls), THIS_MODULE) -diff --git a/include/linux/notifier.h b/include/linux/notifier.h -index d14a4c3..a078786 100644 ---- a/include/linux/notifier.h -+++ b/include/linux/notifier.h -@@ -54,7 +54,8 @@ struct notifier_block { - notifier_fn_t notifier_call; - struct notifier_block __rcu *next; - int priority; --}; -+} __do_const; -+typedef struct notifier_block __no_const notifier_block_no_const; - - struct atomic_notifier_head { - spinlock_t lock; -diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h -index b2a0f15..4d7da32 100644 ---- a/include/linux/oprofile.h -+++ b/include/linux/oprofile.h -@@ -138,9 +138,9 @@ int oprofilefs_create_ulong(struct dentry * root, - int oprofilefs_create_ro_ulong(struct dentry * root, - char const * name, ulong * val); - --/** Create a file for read-only access to an atomic_t. */ -+/** Create a file for read-only access to an atomic_unchecked_t. */ - int oprofilefs_create_ro_atomic(struct dentry * root, -- char const * name, atomic_t * val); -+ char const * name, atomic_unchecked_t * val); - - /** create a directory */ - struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name); -diff --git a/include/linux/padata.h b/include/linux/padata.h -index 4386946..f50c615 100644 ---- a/include/linux/padata.h -+++ b/include/linux/padata.h -@@ -129,7 +129,7 @@ struct parallel_data { - struct padata_serial_queue __percpu *squeue; - atomic_t reorder_objects; - atomic_t refcnt; -- atomic_t seq_nr; -+ atomic_unchecked_t seq_nr; - struct padata_cpumask cpumask; - spinlock_t lock ____cacheline_aligned; - unsigned int processed; -diff --git a/include/linux/path.h b/include/linux/path.h -index d137218..be0c176 100644 ---- a/include/linux/path.h -+++ b/include/linux/path.h -@@ -1,13 +1,15 @@ - #ifndef _LINUX_PATH_H - #define _LINUX_PATH_H - -+#include <linux/compiler.h> -+ - struct dentry; - struct vfsmount; - - struct path { - struct vfsmount *mnt; - struct dentry *dentry; --}; -+} __randomize_layout; - - extern void path_get(const struct path *); - extern void path_put(const struct path *); -diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h -index 8c78950..0d74ed9 100644 ---- a/include/linux/pci_hotplug.h -+++ b/include/linux/pci_hotplug.h -@@ -71,7 +71,8 @@ struct hotplug_slot_ops { - int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); - int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); - int (*reset_slot) (struct hotplug_slot *slot, int probe); --}; -+} __do_const; -+typedef struct hotplug_slot_ops __no_const hotplug_slot_ops_no_const; - - /** - * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot -diff --git a/include/linux/percpu.h b/include/linux/percpu.h -index caebf2a..4c3ae9d 100644 ---- a/include/linux/percpu.h -+++ b/include/linux/percpu.h -@@ -34,7 +34,7 @@ - * preallocate for this. Keep PERCPU_DYNAMIC_RESERVE equal to or - * larger than PERCPU_DYNAMIC_EARLY_SIZE. - */ --#define PERCPU_DYNAMIC_EARLY_SLOTS 128 -+#define PERCPU_DYNAMIC_EARLY_SLOTS 256 - #define PERCPU_DYNAMIC_EARLY_SIZE (12 << 10) - - /* -diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h -index d8a82a8..8b580f0 100644 ---- a/include/linux/perf_event.h -+++ b/include/linux/perf_event.h -@@ -379,8 +379,8 @@ struct perf_event { - - enum perf_event_active_state state; - unsigned int attach_state; -- local64_t count; -- atomic64_t child_count; -+ local64_t count; /* PaX: fix it one day */ -+ atomic64_unchecked_t child_count; - - /* - * These are the total time in nanoseconds that the event -@@ -431,8 +431,8 @@ struct perf_event { - * These accumulate total time (in nanoseconds) that children - * events have been enabled and running, respectively. - */ -- atomic64_t child_total_time_enabled; -- atomic64_t child_total_time_running; -+ atomic64_unchecked_t child_total_time_enabled; -+ atomic64_unchecked_t child_total_time_running; - - /* - * Protect attach/detach and child_list: -@@ -812,7 +812,7 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, - - static inline u64 __perf_event_count(struct perf_event *event) - { -- return local64_read(&event->count) + atomic64_read(&event->child_count); -+ return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count); - } - - extern void perf_event_mmap(struct vm_area_struct *vma); -@@ -836,7 +836,7 @@ static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 - entry->ip[entry->nr++] = ip; - } - --extern int sysctl_perf_event_paranoid; -+extern int sysctl_perf_event_legitimately_concerned; - extern int sysctl_perf_event_mlock; - extern int sysctl_perf_event_sample_rate; - extern int sysctl_perf_cpu_time_max_percent; -@@ -851,19 +851,24 @@ extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write, - loff_t *ppos); - - -+static inline bool perf_paranoid_any(void) -+{ -+ return sysctl_perf_event_legitimately_concerned > 2; -+} -+ - static inline bool perf_paranoid_tracepoint_raw(void) - { -- return sysctl_perf_event_paranoid > -1; -+ return sysctl_perf_event_legitimately_concerned > -1; - } - - static inline bool perf_paranoid_cpu(void) - { -- return sysctl_perf_event_paranoid > 0; -+ return sysctl_perf_event_legitimately_concerned > 0; - } - - static inline bool perf_paranoid_kernel(void) - { -- return sysctl_perf_event_paranoid > 1; -+ return sysctl_perf_event_legitimately_concerned > 1; - } - - extern void perf_event_init(void); -@@ -1017,7 +1022,7 @@ struct perf_pmu_events_attr { - struct device_attribute attr; - u64 id; - const char *event_str; --}; -+} __do_const; - - ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr, - char *page); -diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h -index 918b117..7af374b7 100644 ---- a/include/linux/pid_namespace.h -+++ b/include/linux/pid_namespace.h -@@ -45,7 +45,7 @@ struct pid_namespace { - int hide_pid; - int reboot; /* group exit code if this pidns was rebooted */ - struct ns_common ns; --}; -+} __randomize_layout; - - extern struct pid_namespace init_pid_ns; - -diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h -index eb8b8ac..62649e1 100644 ---- a/include/linux/pipe_fs_i.h -+++ b/include/linux/pipe_fs_i.h -@@ -47,10 +47,10 @@ struct pipe_inode_info { - struct mutex mutex; - wait_queue_head_t wait; - unsigned int nrbufs, curbuf, buffers; -- unsigned int readers; -- unsigned int writers; -- unsigned int files; -- unsigned int waiting_writers; -+ atomic_t readers; -+ atomic_t writers; -+ atomic_t files; -+ atomic_t waiting_writers; - unsigned int r_counter; - unsigned int w_counter; - struct page *tmp_page; -diff --git a/include/linux/pm.h b/include/linux/pm.h -index 2d29c64..1b25b2a 100644 ---- a/include/linux/pm.h -+++ b/include/linux/pm.h -@@ -616,6 +616,7 @@ struct dev_pm_domain { - void (*sync)(struct device *dev); - void (*dismiss)(struct device *dev); - }; -+typedef struct dev_pm_domain __no_const dev_pm_domain_no_const; - - /* - * The PM_EVENT_ messages are also used by drivers implementing the legacy -diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h -index 681ccb0..a90e0b7 100644 ---- a/include/linux/pm_domain.h -+++ b/include/linux/pm_domain.h -@@ -39,11 +39,11 @@ struct gpd_dev_ops { - int (*save_state)(struct device *dev); - int (*restore_state)(struct device *dev); - bool (*active_wakeup)(struct device *dev); --}; -+} __no_const; - - struct gpd_cpuidle_data { - unsigned int saved_exit_latency; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - }; - - struct generic_pm_domain { -diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h -index 30e84d4..22278b4 100644 ---- a/include/linux/pm_runtime.h -+++ b/include/linux/pm_runtime.h -@@ -115,7 +115,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev) - - static inline void pm_runtime_mark_last_busy(struct device *dev) - { -- ACCESS_ONCE(dev->power.last_busy) = jiffies; -+ ACCESS_ONCE_RW(dev->power.last_busy) = jiffies; - } - - static inline bool pm_runtime_is_irq_safe(struct device *dev) -diff --git a/include/linux/pnp.h b/include/linux/pnp.h -index 5df733b..d55f252 100644 ---- a/include/linux/pnp.h -+++ b/include/linux/pnp.h -@@ -298,7 +298,7 @@ static inline void pnp_set_drvdata(struct pnp_dev *pdev, void *data) - struct pnp_fixup { - char id[7]; - void (*quirk_function) (struct pnp_dev * dev); /* fixup function */ --}; -+} __do_const; - - /* config parameters */ - #define PNP_CONFIG_NORMAL 0x0001 -diff --git a/include/linux/poison.h b/include/linux/poison.h -index 2110a81..13a11bb 100644 ---- a/include/linux/poison.h -+++ b/include/linux/poison.h -@@ -19,8 +19,8 @@ - * under normal circumstances, used to verify that nobody uses - * non-initialized list entries. - */ --#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA) --#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA) -+#define LIST_POISON1 ((void *) (long)0xFFFFFF01) -+#define LIST_POISON2 ((void *) (long)0xFFFFFF02) - - /********** include/linux/timer.h **********/ - /* -diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h -index d8b187c3..9a9257a 100644 ---- a/include/linux/power/smartreflex.h -+++ b/include/linux/power/smartreflex.h -@@ -238,7 +238,7 @@ struct omap_sr_class_data { - int (*notify)(struct omap_sr *sr, u32 status); - u8 notify_flags; - u8 class_type; --}; -+} __do_const; - - /** - * struct omap_sr_nvalue_table - Smartreflex n-target value info -diff --git a/include/linux/ppp-comp.h b/include/linux/ppp-comp.h -index 4ea1d37..80f4b33 100644 ---- a/include/linux/ppp-comp.h -+++ b/include/linux/ppp-comp.h -@@ -84,7 +84,7 @@ struct compressor { - struct module *owner; - /* Extra skb space needed by the compressor algorithm */ - unsigned int comp_extra; --}; -+} __do_const; - - /* - * The return value from decompress routine is the length of the -diff --git a/include/linux/preempt.h b/include/linux/preempt.h -index de83b4e..c4b997d 100644 ---- a/include/linux/preempt.h -+++ b/include/linux/preempt.h -@@ -27,11 +27,16 @@ extern void preempt_count_sub(int val); - #define preempt_count_dec_and_test() __preempt_count_dec_and_test() - #endif - -+#define raw_preempt_count_add(val) __preempt_count_add(val) -+#define raw_preempt_count_sub(val) __preempt_count_sub(val) -+ - #define __preempt_count_inc() __preempt_count_add(1) - #define __preempt_count_dec() __preempt_count_sub(1) - - #define preempt_count_inc() preempt_count_add(1) -+#define raw_preempt_count_inc() raw_preempt_count_add(1) - #define preempt_count_dec() preempt_count_sub(1) -+#define raw_preempt_count_dec() raw_preempt_count_sub(1) - - #ifdef CONFIG_PREEMPT_COUNT - -@@ -41,6 +46,12 @@ do { \ - barrier(); \ - } while (0) - -+#define raw_preempt_disable() \ -+do { \ -+ raw_preempt_count_inc(); \ -+ barrier(); \ -+} while (0) -+ - #define sched_preempt_enable_no_resched() \ - do { \ - barrier(); \ -@@ -49,6 +60,12 @@ do { \ - - #define preempt_enable_no_resched() sched_preempt_enable_no_resched() - -+#define raw_preempt_enable_no_resched() \ -+do { \ -+ barrier(); \ -+ raw_preempt_count_dec(); \ -+} while (0) -+ - #ifdef CONFIG_PREEMPT - #define preempt_enable() \ - do { \ -@@ -113,8 +130,10 @@ do { \ - * region. - */ - #define preempt_disable() barrier() -+#define raw_preempt_disable() barrier() - #define sched_preempt_enable_no_resched() barrier() - #define preempt_enable_no_resched() barrier() -+#define raw_preempt_enable_no_resched() barrier() - #define preempt_enable() barrier() - #define preempt_check_resched() do { } while (0) - -@@ -128,11 +147,13 @@ do { \ - /* - * Modules have no business playing preemption tricks. - */ -+#ifndef CONFIG_PAX_KERNEXEC - #undef sched_preempt_enable_no_resched - #undef preempt_enable_no_resched - #undef preempt_enable_no_resched_notrace - #undef preempt_check_resched - #endif -+#endif - - #define preempt_set_need_resched() \ - do { \ -diff --git a/include/linux/printk.h b/include/linux/printk.h -index 9b30871..1aebc2d 100644 ---- a/include/linux/printk.h -+++ b/include/linux/printk.h -@@ -120,7 +120,8 @@ static inline __printf(1, 2) __cold - void early_printk(const char *s, ...) { } - #endif - --typedef int(*printk_func_t)(const char *fmt, va_list args); -+typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); -+extern int kptr_restrict; - - #ifdef CONFIG_PRINTK - asmlinkage __printf(5, 0) -@@ -156,7 +157,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, - - extern int printk_delay_msec; - extern int dmesg_restrict; --extern int kptr_restrict; - - extern void wake_up_klogd(void); - -@@ -164,7 +164,7 @@ char *log_buf_addr_get(void); - u32 log_buf_len_get(void); - void log_buf_kexec_setup(void); - void __init setup_log_buf(int early); --void dump_stack_set_arch_desc(const char *fmt, ...); -+__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); - void dump_stack_print_info(const char *log_lvl); - void show_regs_print_info(const char *log_lvl); - #else -@@ -215,7 +215,7 @@ static inline void setup_log_buf(int early) - { - } - --static inline void dump_stack_set_arch_desc(const char *fmt, ...) -+static inline __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...) - { - } - -diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h -index b97bf2e..f14c92d4 100644 ---- a/include/linux/proc_fs.h -+++ b/include/linux/proc_fs.h -@@ -17,8 +17,11 @@ extern void proc_flush_task(struct task_struct *); - extern struct proc_dir_entry *proc_symlink(const char *, - struct proc_dir_entry *, const char *); - extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *); -+extern struct proc_dir_entry *proc_mkdir_restrict(const char *, struct proc_dir_entry *); - extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t, - struct proc_dir_entry *, void *); -+extern struct proc_dir_entry *proc_mkdir_data_restrict(const char *, umode_t, -+ struct proc_dir_entry *, void *); - extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t, - struct proc_dir_entry *); - -@@ -34,6 +37,19 @@ static inline struct proc_dir_entry *proc_create( - return proc_create_data(name, mode, parent, proc_fops, NULL); - } - -+static inline struct proc_dir_entry *proc_create_grsec(const char *name, umode_t mode, -+ struct proc_dir_entry *parent, const struct file_operations *proc_fops) -+{ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL); -+#else -+ return proc_create_data(name, mode, parent, proc_fops, NULL); -+#endif -+} -+ -+ - extern void proc_set_size(struct proc_dir_entry *, loff_t); - extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t); - extern void *PDE_DATA(const struct inode *); -@@ -56,8 +72,12 @@ static inline struct proc_dir_entry *proc_symlink(const char *name, - struct proc_dir_entry *parent,const char *dest) { return NULL;} - static inline struct proc_dir_entry *proc_mkdir(const char *name, - struct proc_dir_entry *parent) {return NULL;} -+static inline struct proc_dir_entry *proc_mkdir_restrict(const char *name, -+ struct proc_dir_entry *parent) { return NULL; } - static inline struct proc_dir_entry *proc_mkdir_data(const char *name, - umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } -+static inline struct proc_dir_entry *proc_mkdir_data_restrict(const char *name, -+ umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } - static inline struct proc_dir_entry *proc_mkdir_mode(const char *name, - umode_t mode, struct proc_dir_entry *parent) { return NULL; } - #define proc_create(name, mode, parent, proc_fops) ({NULL;}) -@@ -79,7 +99,7 @@ struct net; - static inline struct proc_dir_entry *proc_net_mkdir( - struct net *net, const char *name, struct proc_dir_entry *parent) - { -- return proc_mkdir_data(name, 0, parent, net); -+ return proc_mkdir_data_restrict(name, 0, parent, net); - } - - #endif /* _LINUX_PROC_FS_H */ -diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h -index 42dfc61..8113a99 100644 ---- a/include/linux/proc_ns.h -+++ b/include/linux/proc_ns.h -@@ -16,7 +16,7 @@ struct proc_ns_operations { - struct ns_common *(*get)(struct task_struct *task); - void (*put)(struct ns_common *ns); - int (*install)(struct nsproxy *nsproxy, struct ns_common *ns); --}; -+} __do_const __randomize_layout; - - extern const struct proc_ns_operations netns_operations; - extern const struct proc_ns_operations utsns_operations; -diff --git a/include/linux/quota.h b/include/linux/quota.h -index b2505ac..5f7ab55 100644 ---- a/include/linux/quota.h -+++ b/include/linux/quota.h -@@ -76,7 +76,7 @@ struct kqid { /* Type in which we store the quota identifier */ - - extern bool qid_eq(struct kqid left, struct kqid right); - extern bool qid_lt(struct kqid left, struct kqid right); --extern qid_t from_kqid(struct user_namespace *to, struct kqid qid); -+extern qid_t from_kqid(struct user_namespace *to, struct kqid qid) __intentional_overflow(-1); - extern qid_t from_kqid_munged(struct user_namespace *to, struct kqid qid); - extern bool qid_valid(struct kqid qid); - -diff --git a/include/linux/random.h b/include/linux/random.h -index b05856e..0a9f14e 100644 ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -9,9 +9,19 @@ - #include <uapi/linux/random.h> - - extern void add_device_randomness(const void *, unsigned int); -+ -+static inline void add_latent_entropy(void) -+{ -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+#endif -+ -+} -+ - extern void add_input_randomness(unsigned int type, unsigned int code, -- unsigned int value); --extern void add_interrupt_randomness(int irq, int irq_flags); -+ unsigned int value) __latent_entropy; -+extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy; - - extern void get_random_bytes(void *buf, int nbytes); - extern void get_random_bytes_arch(void *buf, int nbytes); -@@ -22,10 +32,10 @@ extern int random_int_secret_init(void); - extern const struct file_operations random_fops, urandom_fops; - #endif - --unsigned int get_random_int(void); -+unsigned int __intentional_overflow(-1) get_random_int(void); - unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len); - --u32 prandom_u32(void); -+u32 prandom_u32(void) __intentional_overflow(-1); - void prandom_bytes(void *buf, size_t nbytes); - void prandom_seed(u32 seed); - void prandom_reseed_late(void); -@@ -37,6 +47,11 @@ struct rnd_state { - u32 prandom_u32_state(struct rnd_state *state); - void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes); - -+static inline unsigned long __intentional_overflow(-1) pax_get_random_long(void) -+{ -+ return prandom_u32() + (sizeof(long) > 4 ? (unsigned long)prandom_u32() << 32 : 0); -+} -+ - /** - * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro) - * @ep_ro: right open interval endpoint -@@ -49,7 +64,7 @@ void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes); - * - * Returns: pseudo-random number in interval [0, ep_ro) - */ --static inline u32 prandom_u32_max(u32 ep_ro) -+static inline u32 __intentional_overflow(-1) prandom_u32_max(u32 ep_ro) - { - return (u32)(((u64) prandom_u32() * ep_ro) >> 32); - } -diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h -index 378c5ee..aa84a47 100644 ---- a/include/linux/rbtree_augmented.h -+++ b/include/linux/rbtree_augmented.h -@@ -90,7 +90,9 @@ rbname ## _rotate(struct rb_node *rb_old, struct rb_node *rb_new) \ - old->rbaugmented = rbcompute(old); \ - } \ - rbstatic const struct rb_augment_callbacks rbname = { \ -- rbname ## _propagate, rbname ## _copy, rbname ## _rotate \ -+ .propagate = rbname ## _propagate, \ -+ .copy = rbname ## _copy, \ -+ .rotate = rbname ## _rotate \ - }; - - -diff --git a/include/linux/rculist.h b/include/linux/rculist.h -index a18b16f..2683096 100644 ---- a/include/linux/rculist.h -+++ b/include/linux/rculist.h -@@ -29,8 +29,8 @@ - */ - static inline void INIT_LIST_HEAD_RCU(struct list_head *list) - { -- ACCESS_ONCE(list->next) = list; -- ACCESS_ONCE(list->prev) = list; -+ ACCESS_ONCE_RW(list->next) = list; -+ ACCESS_ONCE_RW(list->prev) = list; - } - - /* -@@ -59,6 +59,9 @@ void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next); - #endif - -+void __pax_list_add_rcu(struct list_head *new, -+ struct list_head *prev, struct list_head *next); -+ - /** - * list_add_rcu - add a new entry to rcu-protected list - * @new: new entry to be added -@@ -80,6 +83,11 @@ static inline void list_add_rcu(struct list_head *new, struct list_head *head) - __list_add_rcu(new, head, head->next); - } - -+static inline void pax_list_add_rcu(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add_rcu(new, head, head->next); -+} -+ - /** - * list_add_tail_rcu - add a new entry to rcu-protected list - * @new: new entry to be added -@@ -102,6 +110,12 @@ static inline void list_add_tail_rcu(struct list_head *new, - __list_add_rcu(new, head->prev, head); - } - -+static inline void pax_list_add_tail_rcu(struct list_head *new, -+ struct list_head *head) -+{ -+ __pax_list_add_rcu(new, head->prev, head); -+} -+ - /** - * list_del_rcu - deletes entry from list without re-initialization - * @entry: the element to delete from the list. -@@ -132,6 +146,8 @@ static inline void list_del_rcu(struct list_head *entry) - entry->prev = LIST_POISON2; - } - -+extern void pax_list_del_rcu(struct list_head *entry); -+ - /** - * hlist_del_init_rcu - deletes entry from hash list with re-initialization - * @n: the element to delete from the hash list. -diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h -index 573a5af..de97a14 100644 ---- a/include/linux/rcupdate.h -+++ b/include/linux/rcupdate.h -@@ -365,7 +365,7 @@ extern struct srcu_struct tasks_rcu_exit_srcu; - do { \ - rcu_all_qs(); \ - if (ACCESS_ONCE((t)->rcu_tasks_holdout)) \ -- ACCESS_ONCE((t)->rcu_tasks_holdout) = false; \ -+ ACCESS_ONCE_RW((t)->rcu_tasks_holdout) = false; \ - } while (0) - #else /* #ifdef CONFIG_TASKS_RCU */ - #define TASKS_RCU(x) do { } while (0) -diff --git a/include/linux/reboot.h b/include/linux/reboot.h -index a7ff409..03e2fa8 100644 ---- a/include/linux/reboot.h -+++ b/include/linux/reboot.h -@@ -47,9 +47,9 @@ extern void do_kernel_restart(char *cmd); - */ - - extern void migrate_to_reboot_cpu(void); --extern void machine_restart(char *cmd); --extern void machine_halt(void); --extern void machine_power_off(void); -+extern void machine_restart(char *cmd) __noreturn; -+extern void machine_halt(void) __noreturn; -+extern void machine_power_off(void) __noreturn; - - extern void machine_shutdown(void); - struct pt_regs; -@@ -60,9 +60,9 @@ extern void machine_crash_shutdown(struct pt_regs *); - */ - - extern void kernel_restart_prepare(char *cmd); --extern void kernel_restart(char *cmd); --extern void kernel_halt(void); --extern void kernel_power_off(void); -+extern void kernel_restart(char *cmd) __noreturn; -+extern void kernel_halt(void) __noreturn; -+extern void kernel_power_off(void) __noreturn; - - extern int C_A_D; /* for sysctl */ - void ctrl_alt_del(void); -@@ -77,7 +77,7 @@ extern void orderly_reboot(void); - * Emergency restart, callable from an interrupt handler. - */ - --extern void emergency_restart(void); -+extern void emergency_restart(void) __noreturn; - #include <asm/emergency-restart.h> - - #endif /* _LINUX_REBOOT_H */ -diff --git a/include/linux/regset.h b/include/linux/regset.h -index 8e0c9fe..ac4d221 100644 ---- a/include/linux/regset.h -+++ b/include/linux/regset.h -@@ -161,7 +161,8 @@ struct user_regset { - unsigned int align; - unsigned int bias; - unsigned int core_note_type; --}; -+} __do_const; -+typedef struct user_regset __no_const user_regset_no_const; - - /** - * struct user_regset_view - available regsets -diff --git a/include/linux/relay.h b/include/linux/relay.h -index d7c8359..818daf5 100644 ---- a/include/linux/relay.h -+++ b/include/linux/relay.h -@@ -157,7 +157,7 @@ struct rchan_callbacks - * The callback should return 0 if successful, negative if not. - */ - int (*remove_buf_file)(struct dentry *dentry); --}; -+} __no_const; - - /* - * CONFIG_RELAY kernel API, kernel/relay.c -diff --git a/include/linux/rio.h b/include/linux/rio.h -index 6bda06f..bf39a9b 100644 ---- a/include/linux/rio.h -+++ b/include/linux/rio.h -@@ -358,7 +358,7 @@ struct rio_ops { - int (*map_inb)(struct rio_mport *mport, dma_addr_t lstart, - u64 rstart, u32 size, u32 flags); - void (*unmap_inb)(struct rio_mport *mport, dma_addr_t lstart); --}; -+} __no_const; - - #define RIO_RESOURCE_MEM 0x00000100 - #define RIO_RESOURCE_DOORBELL 0x00000200 -diff --git a/include/linux/rmap.h b/include/linux/rmap.h -index c89c53a..aa0a65a 100644 ---- a/include/linux/rmap.h -+++ b/include/linux/rmap.h -@@ -146,8 +146,8 @@ static inline void anon_vma_unlock_read(struct anon_vma *anon_vma) - void anon_vma_init(void); /* create anon_vma_cachep */ - int anon_vma_prepare(struct vm_area_struct *); - void unlink_anon_vmas(struct vm_area_struct *); --int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *); --int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *); -+int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *); -+int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *); - - static inline void anon_vma_merge(struct vm_area_struct *vma, - struct vm_area_struct *next) -diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h -index ed8f9e70..2e627f2 100644 ---- a/include/linux/scatterlist.h -+++ b/include/linux/scatterlist.h -@@ -1,6 +1,7 @@ - #ifndef _LINUX_SCATTERLIST_H - #define _LINUX_SCATTERLIST_H - -+#include <linux/sched.h> - #include <linux/string.h> - #include <linux/bug.h> - #include <linux/mm.h> -@@ -111,10 +112,17 @@ static inline struct page *sg_page(struct scatterlist *sg) - static inline void sg_set_buf(struct scatterlist *sg, const void *buf, - unsigned int buflen) - { -+ const void *realbuf = buf; -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack(buf)) -+ realbuf = buf - current->stack + current->lowmem_stack; -+#endif -+ - #ifdef CONFIG_DEBUG_SG -- BUG_ON(!virt_addr_valid(buf)); -+ BUG_ON(!virt_addr_valid(realbuf)); - #endif -- sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); -+ sg_set_page(sg, virt_to_page(realbuf), buflen, offset_in_page(realbuf)); - } - - /* -diff --git a/include/linux/sched.h b/include/linux/sched.h -index 26a2e61..36bbf4b 100644 ---- a/include/linux/sched.h -+++ b/include/linux/sched.h -@@ -132,6 +132,7 @@ struct fs_struct; - struct perf_event_context; - struct blk_plug; - struct filename; -+struct linux_binprm; - - #define VMACACHE_BITS 2 - #define VMACACHE_SIZE (1U << VMACACHE_BITS) -@@ -413,7 +414,7 @@ extern char __sched_text_start[], __sched_text_end[]; - extern int in_sched_functions(unsigned long addr); - - #define MAX_SCHEDULE_TIMEOUT LONG_MAX --extern signed long schedule_timeout(signed long timeout); -+extern signed long schedule_timeout(signed long timeout) __intentional_overflow(-1); - extern signed long schedule_timeout_interruptible(signed long timeout); - extern signed long schedule_timeout_killable(signed long timeout); - extern signed long schedule_timeout_uninterruptible(signed long timeout); -@@ -431,6 +432,19 @@ struct nsproxy; - struct user_namespace; - - #ifdef CONFIG_MMU -+ -+#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK -+extern unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags); -+#else -+static inline unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags) -+{ -+ return 0; -+} -+#endif -+ -+extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset); -+extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset); -+ - extern void arch_pick_mmap_layout(struct mm_struct *mm); - extern unsigned long - arch_get_unmapped_area(struct file *, unsigned long, unsigned long, -@@ -729,6 +743,17 @@ struct signal_struct { - #ifdef CONFIG_TASKSTATS - struct taskstats *stats; - #endif -+ -+#ifdef CONFIG_GRKERNSEC -+ u32 curr_ip; -+ u32 saved_ip; -+ u32 gr_saddr; -+ u32 gr_daddr; -+ u16 gr_sport; -+ u16 gr_dport; -+ u8 used_accept:1; -+#endif -+ - #ifdef CONFIG_AUDIT - unsigned audit_tty; - unsigned audit_tty_log_passwd; -@@ -755,7 +780,7 @@ struct signal_struct { - struct mutex cred_guard_mutex; /* guard against foreign influences on - * credential calculations - * (notably. ptrace) */ --}; -+} __randomize_layout; - - /* - * Bits in flags field of signal_struct. -@@ -808,6 +833,14 @@ struct user_struct { - struct key *session_keyring; /* UID's default session keyring */ - #endif - -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ unsigned char kernel_banned; -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ unsigned char suid_banned; -+ unsigned long suid_ban_expires; -+#endif -+ - /* Hash table maintenance information */ - struct hlist_node uidhash_node; - kuid_t uid; -@@ -815,7 +848,7 @@ struct user_struct { - #ifdef CONFIG_PERF_EVENTS - atomic_long_t locked_vm; - #endif --}; -+} __randomize_layout; - - extern int uids_sysfs_init(void); - -@@ -1292,6 +1325,9 @@ enum perf_event_task_context { - struct task_struct { - volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ - void *stack; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ void *lowmem_stack; -+#endif - atomic_t usage; - unsigned int flags; /* per process flags, defined below */ - unsigned int ptrace; -@@ -1425,8 +1461,8 @@ struct task_struct { - struct list_head thread_node; - - struct completion *vfork_done; /* for vfork() */ -- int __user *set_child_tid; /* CLONE_CHILD_SETTID */ -- int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ -+ pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */ -+ pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ - - cputime_t utime, stime, utimescaled, stimescaled; - cputime_t gtime; -@@ -1451,11 +1487,6 @@ struct task_struct { - struct task_cputime cputime_expires; - struct list_head cpu_timers[3]; - --/* process credentials */ -- const struct cred __rcu *real_cred; /* objective and real subjective task -- * credentials (COW) */ -- const struct cred __rcu *cred; /* effective (overridable) subjective task -- * credentials (COW) */ - char comm[TASK_COMM_LEN]; /* executable name excluding path - - access with [gs]et_task_comm (which lock - it with task_lock()) -@@ -1473,6 +1504,10 @@ struct task_struct { - #endif - /* CPU-specific state of this task */ - struct thread_struct thread; -+/* thread_info moved to task_struct */ -+#ifdef CONFIG_X86 -+ struct thread_info tinfo; -+#endif - /* filesystem information */ - struct fs_struct *fs; - /* open file information */ -@@ -1547,6 +1582,10 @@ struct task_struct { - gfp_t lockdep_reclaim_gfp; - #endif - -+/* process credentials */ -+ const struct cred __rcu *real_cred; /* objective and real subjective task -+ * credentials (COW) */ -+ - /* journalling filesystem info */ - void *journal_info; - -@@ -1585,6 +1624,10 @@ struct task_struct { - /* cg_list protected by css_set_lock and tsk->alloc_lock */ - struct list_head cg_list; - #endif -+ -+ const struct cred __rcu *cred; /* effective (overridable) subjective task -+ * credentials (COW) */ -+ - #ifdef CONFIG_FUTEX - struct robust_list_head __user *robust_list; - #ifdef CONFIG_COMPAT -@@ -1696,7 +1739,7 @@ struct task_struct { - * Number of functions that haven't been traced - * because of depth overrun. - */ -- atomic_t trace_overrun; -+ atomic_unchecked_t trace_overrun; - /* Pause for the tracing */ - atomic_t tracing_graph_pause; - #endif -@@ -1724,7 +1767,78 @@ struct task_struct { - #ifdef CONFIG_DEBUG_ATOMIC_SLEEP - unsigned long task_state_change; - #endif --}; -+ -+#ifdef CONFIG_GRKERNSEC -+ /* grsecurity */ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ u64 exec_id; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ const struct cred *delayed_cred; -+#endif -+ struct dentry *gr_chroot_dentry; -+ struct acl_subject_label *acl; -+ struct acl_subject_label *tmpacl; -+ struct acl_role_label *role; -+ struct file *exec_file; -+ unsigned long brute_expires; -+ u16 acl_role_id; -+ u8 inherited; -+ /* is this the task that authenticated to the special role */ -+ u8 acl_sp_role; -+ u8 is_writable; -+ u8 brute; -+ u8 gr_is_chrooted; -+#endif -+ -+} __randomize_layout; -+ -+#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */ -+#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */ -+#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */ -+#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */ -+/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */ -+#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */ -+ -+#ifdef CONFIG_PAX_SOFTMODE -+extern int pax_softmode; -+#endif -+ -+extern int pax_check_flags(unsigned long *); -+#define PAX_PARSE_FLAGS_FALLBACK (~0UL) -+ -+/* if tsk != current then task_lock must be held on it */ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline unsigned long pax_get_flags(struct task_struct *tsk) -+{ -+ if (likely(tsk->mm)) -+ return tsk->mm->pax_flags; -+ else -+ return 0UL; -+} -+ -+/* if tsk != current then task_lock must be held on it */ -+static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags) -+{ -+ if (likely(tsk->mm)) { -+ tsk->mm->pax_flags = flags; -+ return 0; -+ } -+ return -EINVAL; -+} -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+extern void pax_set_initial_flags(struct linux_binprm *bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+#endif -+ -+struct path; -+extern char *pax_get_path(const struct path *path, char *buf, int buflen); -+extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp); -+extern void pax_report_insns(struct pt_regs *regs, void *pc, void *sp); -+extern void pax_report_refcount_overflow(struct pt_regs *regs); - - /* Future-safe accessor for struct task_struct's cpus_allowed. */ - #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) -@@ -1807,7 +1921,7 @@ struct pid_namespace; - pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type, - struct pid_namespace *ns); - --static inline pid_t task_pid_nr(struct task_struct *tsk) -+static inline pid_t task_pid_nr(const struct task_struct *tsk) - { - return tsk->pid; - } -@@ -2175,6 +2289,25 @@ extern u64 sched_clock_cpu(int cpu); - - extern void sched_clock_init(void); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static inline void populate_stack(void) -+{ -+ struct task_struct *curtask = current; -+ int c; -+ int *ptr = curtask->stack; -+ int *end = curtask->stack + THREAD_SIZE; -+ -+ while (ptr < end) { -+ c = *(volatile int *)ptr; -+ ptr += PAGE_SIZE/sizeof(int); -+ } -+} -+#else -+static inline void populate_stack(void) -+{ -+} -+#endif -+ - #ifndef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK - static inline void sched_clock_tick(void) - { -@@ -2303,7 +2436,9 @@ extern void set_curr_task(int cpu, struct task_struct *p); - void yield(void); - - union thread_union { -+#ifndef CONFIG_X86 - struct thread_info thread_info; -+#endif - unsigned long stack[THREAD_SIZE/sizeof(long)]; - }; - -@@ -2336,6 +2471,7 @@ extern struct pid_namespace init_pid_ns; - */ - - extern struct task_struct *find_task_by_vpid(pid_t nr); -+extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr); - extern struct task_struct *find_task_by_pid_ns(pid_t nr, - struct pid_namespace *ns); - -@@ -2500,7 +2636,7 @@ extern void __cleanup_sighand(struct sighand_struct *); - extern void exit_itimers(struct signal_struct *); - extern void flush_itimer_signals(void); - --extern void do_group_exit(int); -+extern __noreturn void do_group_exit(int); - - extern int do_execve(struct filename *, - const char __user * const __user *, -@@ -2721,9 +2857,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p) - #define task_stack_end_corrupted(task) \ - (*(end_of_stack(task)) != STACK_END_MAGIC) - --static inline int object_is_on_stack(void *obj) -+static inline int object_starts_on_stack(const void *obj) - { -- void *stack = task_stack_page(current); -+ const void *stack = task_stack_page(current); - - return (obj >= stack) && (obj < (stack + THREAD_SIZE)); - } -diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h -index 596a0e0..bea77ec 100644 ---- a/include/linux/sched/sysctl.h -+++ b/include/linux/sched/sysctl.h -@@ -34,6 +34,7 @@ enum { sysctl_hung_task_timeout_secs = 0 }; - #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) - - extern int sysctl_max_map_count; -+extern unsigned long sysctl_heap_stack_gap; - - extern unsigned int sysctl_sched_latency; - extern unsigned int sysctl_sched_min_granularity; -diff --git a/include/linux/security.h b/include/linux/security.h -index 18264ea..e0238e4 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -27,6 +27,7 @@ - #include <linux/slab.h> - #include <linux/err.h> - #include <linux/string.h> -+#include <linux/grsecurity.h> - - struct linux_binprm; - struct cred; -@@ -116,8 +117,6 @@ struct seq_file; - - extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); - --void reset_security_ops(void); -- - #ifdef CONFIG_MMU - extern unsigned long mmap_min_addr; - extern unsigned long dac_mmap_min_addr; -@@ -1755,7 +1754,7 @@ struct security_operations { - struct audit_context *actx); - void (*audit_rule_free) (void *lsmrule); - #endif /* CONFIG_AUDIT */ --}; -+} __randomize_layout; - - /* prototypes */ - extern int security_init(void); -diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h -index dc368b8..e895209 100644 ---- a/include/linux/semaphore.h -+++ b/include/linux/semaphore.h -@@ -37,7 +37,7 @@ static inline void sema_init(struct semaphore *sem, int val) - } - - extern void down(struct semaphore *sem); --extern int __must_check down_interruptible(struct semaphore *sem); -+extern int __must_check down_interruptible(struct semaphore *sem) __intentional_overflow(-1); - extern int __must_check down_killable(struct semaphore *sem); - extern int __must_check down_trylock(struct semaphore *sem); - extern int __must_check down_timeout(struct semaphore *sem, long jiffies); -diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h -index afbb1fd..e1d205d 100644 ---- a/include/linux/seq_file.h -+++ b/include/linux/seq_file.h -@@ -27,6 +27,9 @@ struct seq_file { - struct mutex lock; - const struct seq_operations *op; - int poll_event; -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ u64 exec_id; -+#endif - #ifdef CONFIG_USER_NS - struct user_namespace *user_ns; - #endif -@@ -39,6 +42,7 @@ struct seq_operations { - void * (*next) (struct seq_file *m, void *v, loff_t *pos); - int (*show) (struct seq_file *m, void *v); - }; -+typedef struct seq_operations __no_const seq_operations_no_const; - - #define SEQ_SKIP 1 - -@@ -111,6 +115,7 @@ void seq_pad(struct seq_file *m, char c); - - char *mangle_path(char *s, const char *p, const char *esc); - int seq_open(struct file *, const struct seq_operations *); -+int seq_open_restrict(struct file *, const struct seq_operations *); - ssize_t seq_read(struct file *, char __user *, size_t, loff_t *); - loff_t seq_lseek(struct file *, loff_t, int); - int seq_release(struct inode *, struct file *); -@@ -128,6 +133,7 @@ int seq_path_root(struct seq_file *m, const struct path *path, - const struct path *root, const char *esc); - - int single_open(struct file *, int (*)(struct seq_file *, void *), void *); -+int single_open_restrict(struct file *, int (*)(struct seq_file *, void *), void *); - int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t); - int single_release(struct inode *, struct file *); - void *__seq_open_private(struct file *, const struct seq_operations *, int); -diff --git a/include/linux/shm.h b/include/linux/shm.h -index 6fb8016..ab4465e 100644 ---- a/include/linux/shm.h -+++ b/include/linux/shm.h -@@ -22,6 +22,10 @@ struct shmid_kernel /* private to the kernel */ - /* The task created the shm object. NULL if the task is dead. */ - struct task_struct *shm_creator; - struct list_head shm_clist; /* list by creator */ -+#ifdef CONFIG_GRKERNSEC -+ u64 shm_createtime; -+ pid_t shm_lapid; -+#endif - }; - - /* shm_mode upper byte flags */ -diff --git a/include/linux/signal.h b/include/linux/signal.h -index ab1e039..ad4229e 100644 ---- a/include/linux/signal.h -+++ b/include/linux/signal.h -@@ -289,7 +289,7 @@ static inline void allow_signal(int sig) - * know it'll be handled, so that they don't get converted to - * SIGKILL or just silently dropped. - */ -- kernel_sigaction(sig, (__force __sighandler_t)2); -+ kernel_sigaction(sig, (__force_user __sighandler_t)2); - } - - static inline void disallow_signal(int sig) -diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h -index f15154a..17b985a 100644 ---- a/include/linux/skbuff.h -+++ b/include/linux/skbuff.h -@@ -776,7 +776,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags, - int node); - struct sk_buff *__build_skb(void *data, unsigned int frag_size); - struct sk_buff *build_skb(void *data, unsigned int frag_size); --static inline struct sk_buff *alloc_skb(unsigned int size, -+static inline struct sk_buff * __intentional_overflow(0) alloc_skb(unsigned int size, - gfp_t priority) - { - return __alloc_skb(size, priority, 0, NUMA_NO_NODE); -@@ -1590,20 +1590,16 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - /* -- * Propagate page->pfmemalloc to the skb if we can. The problem is -- * that not all callers have unique ownership of the page. If -- * pfmemalloc is set, we check the mapping as a mapping implies -- * page->index is set (index and pfmemalloc share space). -- * If it's a valid mapping, we cannot use page->pfmemalloc but we -- * do not lose pfmemalloc information as the pages would not be -- * allocated using __GFP_MEMALLOC. -+ * Propagate page pfmemalloc to the skb if we can. The problem is -+ * that not all callers have unique ownership of the page but rely -+ * on page_is_pfmemalloc doing the right thing(tm). - */ - frag->page.p = page; - frag->page_offset = off; - skb_frag_size_set(frag, size); - - page = compound_head(page); -- if (page->pfmemalloc && !page->mapping) -+ if (page_is_pfmemalloc(page)) - skb->pfmemalloc = true; - } - -@@ -1971,7 +1967,7 @@ static inline u32 skb_inner_network_header_len(const struct sk_buff *skb) - return skb->inner_transport_header - skb->inner_network_header; - } - --static inline int skb_network_offset(const struct sk_buff *skb) -+static inline int __intentional_overflow(0) skb_network_offset(const struct sk_buff *skb) - { - return skb_network_header(skb) - skb->data; - } -@@ -2031,7 +2027,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) - * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) - */ - #ifndef NET_SKB_PAD --#define NET_SKB_PAD max(32, L1_CACHE_BYTES) -+#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES) - #endif - - int ___pskb_trim(struct sk_buff *skb, unsigned int len); -@@ -2250,7 +2246,7 @@ static inline struct page *dev_alloc_page(void) - static inline void skb_propagate_pfmemalloc(struct page *page, - struct sk_buff *skb) - { -- if (page && page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - skb->pfmemalloc = true; - } - -@@ -2673,9 +2669,9 @@ struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, - int *err); - unsigned int datagram_poll(struct file *file, struct socket *sock, - struct poll_table_struct *wait); --int skb_copy_datagram_iter(const struct sk_buff *from, int offset, -+int __intentional_overflow(0) skb_copy_datagram_iter(const struct sk_buff *from, int offset, - struct iov_iter *to, int size); --static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset, -+static inline int __intentional_overflow(2,4) skb_copy_datagram_msg(const struct sk_buff *from, int offset, - struct msghdr *msg, int size) - { - return skb_copy_datagram_iter(from, offset, &msg->msg_iter, size); -@@ -3197,6 +3193,9 @@ static inline void nf_reset(struct sk_buff *skb) - nf_bridge_put(skb->nf_bridge); - skb->nf_bridge = NULL; - #endif -+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) -+ skb->nf_trace = 0; -+#endif - } - - static inline void nf_reset_trace(struct sk_buff *skb) -diff --git a/include/linux/slab.h b/include/linux/slab.h -index ffd24c8..cbbe7de 100644 ---- a/include/linux/slab.h -+++ b/include/linux/slab.h -@@ -15,14 +15,29 @@ - #include <linux/types.h> - #include <linux/workqueue.h> - -+#include <linux/err.h> - - /* - * Flags to pass to kmem_cache_create(). - * The ones marked DEBUG are only valid if CONFIG_DEBUG_SLAB is set. - */ - #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */ -+#else -+#define SLAB_USERCOPY 0x00000000UL -+#endif -+ - #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ - #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+#define SLAB_NO_SANITIZE 0x00001000UL /* PaX: Do not sanitize objs on free */ -+#else -+#define SLAB_NO_SANITIZE 0x00000000UL -+#endif -+ - #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ - #define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */ - #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ -@@ -98,10 +113,13 @@ - * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can. - * Both make kfree a no-op. - */ --#define ZERO_SIZE_PTR ((void *)16) -+#define ZERO_SIZE_PTR \ -+({ \ -+ BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\ -+ (void *)(-MAX_ERRNO-1L); \ -+}) - --#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \ -- (unsigned long)ZERO_SIZE_PTR) -+#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1) - - #include <linux/kmemleak.h> - #include <linux/kasan.h> -@@ -143,6 +161,8 @@ void * __must_check krealloc(const void *, size_t, gfp_t); - void kfree(const void *); - void kzfree(const void *); - size_t ksize(const void *); -+const char *check_heap_object(const void *ptr, unsigned long n); -+bool is_usercopy_object(const void *ptr); - - /* - * Some archs want to perform DMA into kmalloc caches and need a guaranteed -@@ -235,6 +255,10 @@ extern struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1]; - extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+extern struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1]; -+#endif -+ - /* - * Figure out which kmalloc slab an allocation of a certain size - * belongs to. -@@ -243,7 +267,7 @@ extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - * 2 = 120 .. 192 bytes - * n = 2^(n-1) .. 2^n -1 - */ --static __always_inline int kmalloc_index(size_t size) -+static __always_inline __size_overflow(1) int kmalloc_index(size_t size) - { - if (!size) - return 0; -@@ -286,15 +310,15 @@ static __always_inline int kmalloc_index(size_t size) - } - #endif /* !CONFIG_SLOB */ - --void *__kmalloc(size_t size, gfp_t flags); -+void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1) __size_overflow(1); - void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags); - void kmem_cache_free(struct kmem_cache *, void *); - - #ifdef CONFIG_NUMA --void *__kmalloc_node(size_t size, gfp_t flags, int node); -+void *__kmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1) __size_overflow(1); - void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); - #else --static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node) -+static __always_inline void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - return __kmalloc(size, flags); - } -diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h -index 33d0490..70a6313 100644 ---- a/include/linux/slab_def.h -+++ b/include/linux/slab_def.h -@@ -40,7 +40,7 @@ struct kmem_cache { - /* 4) cache creation/removal */ - const char *name; - struct list_head list; -- int refcount; -+ atomic_t refcount; - int object_size; - int align; - -@@ -56,10 +56,14 @@ struct kmem_cache { - unsigned long node_allocs; - unsigned long node_frees; - unsigned long node_overflow; -- atomic_t allochit; -- atomic_t allocmiss; -- atomic_t freehit; -- atomic_t freemiss; -+ atomic_unchecked_t allochit; -+ atomic_unchecked_t allocmiss; -+ atomic_unchecked_t freehit; -+ atomic_unchecked_t freemiss; -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ atomic_unchecked_t sanitized; -+ atomic_unchecked_t not_sanitized; -+#endif - - /* - * If debugging is enabled, then the allocator can add additional -diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h -index 3388511..6252f90 100644 ---- a/include/linux/slub_def.h -+++ b/include/linux/slub_def.h -@@ -74,7 +74,7 @@ struct kmem_cache { - struct kmem_cache_order_objects max; - struct kmem_cache_order_objects min; - gfp_t allocflags; /* gfp flags to use on each alloc */ -- int refcount; /* Refcount for slab cache destroy */ -+ atomic_t refcount; /* Refcount for slab cache destroy */ - void (*ctor)(void *); - int inuse; /* Offset to metadata */ - int align; /* Alignment */ -diff --git a/include/linux/smp.h b/include/linux/smp.h -index c441407..f487b83 100644 ---- a/include/linux/smp.h -+++ b/include/linux/smp.h -@@ -183,7 +183,9 @@ static inline void smp_init(void) { } - #endif - - #define get_cpu() ({ preempt_disable(); smp_processor_id(); }) -+#define raw_get_cpu() ({ raw_preempt_disable(); raw_smp_processor_id(); }) - #define put_cpu() preempt_enable() -+#define raw_put_cpu_no_resched() raw_preempt_enable_no_resched() - - /* - * Callback to arch code if there's nosmp or maxcpus=0 on the -diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h -index 083ac38..b23e3e8 100644 ---- a/include/linux/sock_diag.h -+++ b/include/linux/sock_diag.h -@@ -11,7 +11,7 @@ struct sock; - struct sock_diag_handler { - __u8 family; - int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh); --}; -+} __do_const; - - int sock_diag_register(const struct sock_diag_handler *h); - void sock_diag_unregister(const struct sock_diag_handler *h); -diff --git a/include/linux/sonet.h b/include/linux/sonet.h -index 680f9a3..f13aeb0 100644 ---- a/include/linux/sonet.h -+++ b/include/linux/sonet.h -@@ -7,7 +7,7 @@ - #include <uapi/linux/sonet.h> - - struct k_sonet_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __SONET_ITEMS - #undef __HANDLE_ITEM - }; -diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h -index 07d8e53..dc934c9 100644 ---- a/include/linux/sunrpc/addr.h -+++ b/include/linux/sunrpc/addr.h -@@ -23,9 +23,9 @@ static inline unsigned short rpc_get_port(const struct sockaddr *sap) - { - switch (sap->sa_family) { - case AF_INET: -- return ntohs(((struct sockaddr_in *)sap)->sin_port); -+ return ntohs(((const struct sockaddr_in *)sap)->sin_port); - case AF_INET6: -- return ntohs(((struct sockaddr_in6 *)sap)->sin6_port); -+ return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port); - } - return 0; - } -@@ -58,7 +58,7 @@ static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1, - static inline bool __rpc_copy_addr4(struct sockaddr *dst, - const struct sockaddr *src) - { -- const struct sockaddr_in *ssin = (struct sockaddr_in *) src; -+ const struct sockaddr_in *ssin = (const struct sockaddr_in *) src; - struct sockaddr_in *dsin = (struct sockaddr_in *) dst; - - dsin->sin_family = ssin->sin_family; -@@ -164,7 +164,7 @@ static inline u32 rpc_get_scope_id(const struct sockaddr *sa) - if (sa->sa_family != AF_INET6) - return 0; - -- return ((struct sockaddr_in6 *) sa)->sin6_scope_id; -+ return ((const struct sockaddr_in6 *) sa)->sin6_scope_id; - } - - #endif /* _LINUX_SUNRPC_ADDR_H */ -diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h -index 598ba80..d90cba6 100644 ---- a/include/linux/sunrpc/clnt.h -+++ b/include/linux/sunrpc/clnt.h -@@ -100,7 +100,7 @@ struct rpc_procinfo { - unsigned int p_timer; /* Which RTT timer to use */ - u32 p_statidx; /* Which procedure to account */ - const char * p_name; /* name of procedure */ --}; -+} __do_const; - - #ifdef __KERNEL__ - -diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h -index fae6fb9..023fbcd 100644 ---- a/include/linux/sunrpc/svc.h -+++ b/include/linux/sunrpc/svc.h -@@ -420,7 +420,7 @@ struct svc_procedure { - unsigned int pc_count; /* call count */ - unsigned int pc_cachetype; /* cache info (NFS) */ - unsigned int pc_xdrressize; /* maximum size of XDR reply */ --}; -+} __do_const; - - /* - * Function prototypes. -diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h -index df8edf8..d140fec 100644 ---- a/include/linux/sunrpc/svc_rdma.h -+++ b/include/linux/sunrpc/svc_rdma.h -@@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord; - extern unsigned int svcrdma_max_requests; - extern unsigned int svcrdma_max_req_size; - --extern atomic_t rdma_stat_recv; --extern atomic_t rdma_stat_read; --extern atomic_t rdma_stat_write; --extern atomic_t rdma_stat_sq_starve; --extern atomic_t rdma_stat_rq_starve; --extern atomic_t rdma_stat_rq_poll; --extern atomic_t rdma_stat_rq_prod; --extern atomic_t rdma_stat_sq_poll; --extern atomic_t rdma_stat_sq_prod; -+extern atomic_unchecked_t rdma_stat_recv; -+extern atomic_unchecked_t rdma_stat_read; -+extern atomic_unchecked_t rdma_stat_write; -+extern atomic_unchecked_t rdma_stat_sq_starve; -+extern atomic_unchecked_t rdma_stat_rq_starve; -+extern atomic_unchecked_t rdma_stat_rq_poll; -+extern atomic_unchecked_t rdma_stat_rq_prod; -+extern atomic_unchecked_t rdma_stat_sq_poll; -+extern atomic_unchecked_t rdma_stat_sq_prod; - - /* - * Contexts are built when an RDMA request is created and are a -diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h -index 8d71d65..f79586e 100644 ---- a/include/linux/sunrpc/svcauth.h -+++ b/include/linux/sunrpc/svcauth.h -@@ -120,7 +120,7 @@ struct auth_ops { - int (*release)(struct svc_rqst *rq); - void (*domain_release)(struct auth_domain *); - int (*set_client)(struct svc_rqst *rq); --}; -+} __do_const; - - #define SVC_GARBAGE 1 - #define SVC_SYSERR 2 -diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h -index e7a018e..49f8b17 100644 ---- a/include/linux/swiotlb.h -+++ b/include/linux/swiotlb.h -@@ -60,7 +60,8 @@ extern void - - extern void - swiotlb_free_coherent(struct device *hwdev, size_t size, -- void *vaddr, dma_addr_t dma_handle); -+ void *vaddr, dma_addr_t dma_handle, -+ struct dma_attrs *attrs); - - extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, -diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h -index 76d1e38..200776e 100644 ---- a/include/linux/syscalls.h -+++ b/include/linux/syscalls.h -@@ -102,7 +102,12 @@ union bpf_attr; - #define __TYPE_IS_L(t) (__same_type((t)0, 0L)) - #define __TYPE_IS_UL(t) (__same_type((t)0, 0UL)) - #define __TYPE_IS_LL(t) (__same_type((t)0, 0LL) || __same_type((t)0, 0ULL)) --#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a -+#define __SC_LONG(t, a) __typeof__( \ -+ __builtin_choose_expr( \ -+ sizeof(t) > sizeof(int), \ -+ (t) 0, \ -+ __builtin_choose_expr(__type_is_unsigned(t), 0UL, 0L) \ -+ )) a - #define __SC_CAST(t, a) (t) a - #define __SC_ARGS(t, a) a - #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) -@@ -384,11 +389,11 @@ asmlinkage long sys_sync(void); - asmlinkage long sys_fsync(unsigned int fd); - asmlinkage long sys_fdatasync(unsigned int fd); - asmlinkage long sys_bdflush(int func, long data); --asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, -- char __user *type, unsigned long flags, -+asmlinkage long sys_mount(const char __user *dev_name, const char __user *dir_name, -+ const char __user *type, unsigned long flags, - void __user *data); --asmlinkage long sys_umount(char __user *name, int flags); --asmlinkage long sys_oldumount(char __user *name); -+asmlinkage long sys_umount(const char __user *name, int flags); -+asmlinkage long sys_oldumount(const char __user *name); - asmlinkage long sys_truncate(const char __user *path, long length); - asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); - asmlinkage long sys_stat(const char __user *filename, -@@ -604,7 +609,7 @@ asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); - asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); - asmlinkage long sys_send(int, void __user *, size_t, unsigned); - asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, -- struct sockaddr __user *, int); -+ struct sockaddr __user *, int) __intentional_overflow(0); - asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); - asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, - unsigned int vlen, unsigned flags); -@@ -663,10 +668,10 @@ asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); - - asmlinkage long sys_semget(key_t key, int nsems, int semflg); - asmlinkage long sys_semop(int semid, struct sembuf __user *sops, -- unsigned nsops); -+ long nsops); - asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); - asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, -- unsigned nsops, -+ long nsops, - const struct timespec __user *timeout); - asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); - asmlinkage long sys_shmget(key_t key, size_t size, int flag); -diff --git a/include/linux/syscore_ops.h b/include/linux/syscore_ops.h -index 27b3b0b..e093dd9 100644 ---- a/include/linux/syscore_ops.h -+++ b/include/linux/syscore_ops.h -@@ -16,7 +16,7 @@ struct syscore_ops { - int (*suspend)(void); - void (*resume)(void); - void (*shutdown)(void); --}; -+} __do_const; - - extern void register_syscore_ops(struct syscore_ops *ops); - extern void unregister_syscore_ops(struct syscore_ops *ops); -diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h -index fa7bc29..0d96561 100644 ---- a/include/linux/sysctl.h -+++ b/include/linux/sysctl.h -@@ -39,10 +39,16 @@ typedef int proc_handler (struct ctl_table *ctl, int write, - - extern int proc_dostring(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dostring_modpriv(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dointvec_secure(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec_minmax(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dointvec_minmax_secure(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec_jiffies(struct ctl_table *, int, - void __user *, size_t *, loff_t *); - extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int, -@@ -113,7 +119,8 @@ struct ctl_table - struct ctl_table_poll *poll; - void *extra1; - void *extra2; --}; -+} __do_const __randomize_layout; -+typedef struct ctl_table __no_const ctl_table_no_const; - - struct ctl_node { - struct rb_node node; -diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h -index 9f65758..487a6f1 100644 ---- a/include/linux/sysfs.h -+++ b/include/linux/sysfs.h -@@ -34,7 +34,8 @@ struct attribute { - struct lock_class_key *key; - struct lock_class_key skey; - #endif --}; -+} __do_const; -+typedef struct attribute __no_const attribute_no_const; - - /** - * sysfs_attr_init - initialize a dynamically allocated sysfs attribute -@@ -78,7 +79,8 @@ struct attribute_group { - struct attribute *, int); - struct attribute **attrs; - struct bin_attribute **bin_attrs; --}; -+} __do_const; -+typedef struct attribute_group __no_const attribute_group_no_const; - - /** - * Use these macros to make defining attributes easier. See include/linux/device.h -@@ -152,7 +154,8 @@ struct bin_attribute { - char *, loff_t, size_t); - int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr, - struct vm_area_struct *vma); --}; -+} __do_const; -+typedef struct bin_attribute __no_const bin_attribute_no_const; - - /** - * sysfs_bin_attr_init - initialize a dynamically allocated bin_attribute -diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h -index 387fa7d..3fcde6b 100644 ---- a/include/linux/sysrq.h -+++ b/include/linux/sysrq.h -@@ -16,6 +16,7 @@ - - #include <linux/errno.h> - #include <linux/types.h> -+#include <linux/compiler.h> - - /* Possible values of bitmask for enabling sysrq functions */ - /* 0x0001 is reserved for enable everything */ -@@ -33,7 +34,7 @@ struct sysrq_key_op { - char *help_msg; - char *action_msg; - int enable_mask; --}; -+} __do_const; - - #ifdef CONFIG_MAGIC_SYSRQ - -diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h -index ff307b5..f1a4468 100644 ---- a/include/linux/thread_info.h -+++ b/include/linux/thread_info.h -@@ -145,6 +145,13 @@ static inline bool test_and_clear_restore_sigmask(void) - #error "no set_restore_sigmask() provided and default one won't work" - #endif - -+extern void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size); -+ -+static inline void check_object_size(const void *ptr, unsigned long n, bool to_user) -+{ -+ __check_object_size(ptr, n, to_user, __builtin_constant_p(n)); -+} -+ - #endif /* __KERNEL__ */ - - #endif /* _LINUX_THREAD_INFO_H */ -diff --git a/include/linux/tty.h b/include/linux/tty.h -index d76631f..de91e82 100644 ---- a/include/linux/tty.h -+++ b/include/linux/tty.h -@@ -225,7 +225,7 @@ struct tty_port { - const struct tty_port_operations *ops; /* Port operations */ - spinlock_t lock; /* Lock protecting tty field */ - int blocked_open; /* Waiting to open */ -- int count; /* Usage count */ -+ atomic_t count; /* Usage count */ - wait_queue_head_t open_wait; /* Open waiters */ - wait_queue_head_t close_wait; /* Close waiters */ - wait_queue_head_t delta_msr_wait; /* Modem status change */ -@@ -313,7 +313,7 @@ struct tty_struct { - /* If the tty has a pending do_SAK, queue it here - akpm */ - struct work_struct SAK_work; - struct tty_port *port; --}; -+} __randomize_layout; - - /* Each of a tty's open files has private_data pointing to tty_file_private */ - struct tty_file_private { -@@ -573,7 +573,7 @@ extern int tty_port_open(struct tty_port *port, - struct tty_struct *tty, struct file *filp); - static inline int tty_port_users(struct tty_port *port) - { -- return port->count + port->blocked_open; -+ return atomic_read(&port->count) + port->blocked_open; - } - - extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); -diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h -index 92e337c..f46757b 100644 ---- a/include/linux/tty_driver.h -+++ b/include/linux/tty_driver.h -@@ -291,7 +291,7 @@ struct tty_operations { - void (*poll_put_char)(struct tty_driver *driver, int line, char ch); - #endif - const struct file_operations *proc_fops; --}; -+} __do_const __randomize_layout; - - struct tty_driver { - int magic; /* magic number for this structure */ -@@ -325,7 +325,7 @@ struct tty_driver { - - const struct tty_operations *ops; - struct list_head tty_drivers; --}; -+} __randomize_layout; - - extern struct list_head tty_drivers; - -diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h -index 00c9d68..bc0188b 100644 ---- a/include/linux/tty_ldisc.h -+++ b/include/linux/tty_ldisc.h -@@ -215,7 +215,7 @@ struct tty_ldisc_ops { - - struct module *owner; - -- int refcount; -+ atomic_t refcount; - }; - - struct tty_ldisc { -diff --git a/include/linux/types.h b/include/linux/types.h -index 8715287..1be77ee 100644 ---- a/include/linux/types.h -+++ b/include/linux/types.h -@@ -176,10 +176,26 @@ typedef struct { - int counter; - } atomic_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ int counter; -+} atomic_unchecked_t; -+#else -+typedef atomic_t atomic_unchecked_t; -+#endif -+ - #ifdef CONFIG_64BIT - typedef struct { - long counter; - } atomic64_t; -+ -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif - #endif - - struct list_head { -diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h -index ecd3319..8a36ded 100644 ---- a/include/linux/uaccess.h -+++ b/include/linux/uaccess.h -@@ -75,11 +75,11 @@ static inline unsigned long __copy_from_user_nocache(void *to, - long ret; \ - mm_segment_t old_fs = get_fs(); \ - \ -- set_fs(KERNEL_DS); \ - pagefault_disable(); \ -- ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \ -- pagefault_enable(); \ -+ set_fs(KERNEL_DS); \ -+ ret = __copy_from_user_inatomic(&(retval), (typeof(retval) __force_user *)(addr), sizeof(retval)); \ - set_fs(old_fs); \ -+ pagefault_enable(); \ - ret; \ - }) - -diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h -index 0383552..a0125dd 100644 ---- a/include/linux/uidgid.h -+++ b/include/linux/uidgid.h -@@ -187,4 +187,9 @@ static inline bool kgid_has_mapping(struct user_namespace *ns, kgid_t gid) - - #endif /* CONFIG_USER_NS */ - -+#define GR_GLOBAL_UID(x) from_kuid_munged(&init_user_ns, (x)) -+#define GR_GLOBAL_GID(x) from_kgid_munged(&init_user_ns, (x)) -+#define gr_is_global_root(x) uid_eq((x), GLOBAL_ROOT_UID) -+#define gr_is_global_nonroot(x) (!uid_eq((x), GLOBAL_ROOT_UID)) -+ - #endif /* _LINUX_UIDGID_H */ -diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h -index 32c0e83..671eb35 100644 ---- a/include/linux/uio_driver.h -+++ b/include/linux/uio_driver.h -@@ -67,7 +67,7 @@ struct uio_device { - struct module *owner; - struct device *dev; - int minor; -- atomic_t event; -+ atomic_unchecked_t event; - struct fasync_struct *async_queue; - wait_queue_head_t wait; - struct uio_info *info; -diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h -index 99c1b4d..562e6f3 100644 ---- a/include/linux/unaligned/access_ok.h -+++ b/include/linux/unaligned/access_ok.h -@@ -4,34 +4,34 @@ - #include <linux/kernel.h> - #include <asm/byteorder.h> - --static inline u16 get_unaligned_le16(const void *p) -+static inline u16 __intentional_overflow(-1) get_unaligned_le16(const void *p) - { -- return le16_to_cpup((__le16 *)p); -+ return le16_to_cpup((const __le16 *)p); - } - --static inline u32 get_unaligned_le32(const void *p) -+static inline u32 __intentional_overflow(-1) get_unaligned_le32(const void *p) - { -- return le32_to_cpup((__le32 *)p); -+ return le32_to_cpup((const __le32 *)p); - } - --static inline u64 get_unaligned_le64(const void *p) -+static inline u64 __intentional_overflow(-1) get_unaligned_le64(const void *p) - { -- return le64_to_cpup((__le64 *)p); -+ return le64_to_cpup((const __le64 *)p); - } - --static inline u16 get_unaligned_be16(const void *p) -+static inline u16 __intentional_overflow(-1) get_unaligned_be16(const void *p) - { -- return be16_to_cpup((__be16 *)p); -+ return be16_to_cpup((const __be16 *)p); - } - --static inline u32 get_unaligned_be32(const void *p) -+static inline u32 __intentional_overflow(-1) get_unaligned_be32(const void *p) - { -- return be32_to_cpup((__be32 *)p); -+ return be32_to_cpup((const __be32 *)p); - } - --static inline u64 get_unaligned_be64(const void *p) -+static inline u64 __intentional_overflow(-1) get_unaligned_be64(const void *p) - { -- return be64_to_cpup((__be64 *)p); -+ return be64_to_cpup((const __be64 *)p); - } - - static inline void put_unaligned_le16(u16 val, void *p) -diff --git a/include/linux/usb.h b/include/linux/usb.h -index 447fe29..9fc875f 100644 ---- a/include/linux/usb.h -+++ b/include/linux/usb.h -@@ -592,7 +592,7 @@ struct usb_device { - int maxchild; - - u32 quirks; -- atomic_t urbnum; -+ atomic_unchecked_t urbnum; - - unsigned long active_duration; - -@@ -1676,7 +1676,7 @@ void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in, - - extern int usb_control_msg(struct usb_device *dev, unsigned int pipe, - __u8 request, __u8 requesttype, __u16 value, __u16 index, -- void *data, __u16 size, int timeout); -+ void *data, __u16 size, int timeout) __intentional_overflow(-1); - extern int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout); - extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, -diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h -index f06529c..dfeabd8 100644 ---- a/include/linux/usb/renesas_usbhs.h -+++ b/include/linux/usb/renesas_usbhs.h -@@ -39,7 +39,7 @@ enum { - */ - struct renesas_usbhs_driver_callback { - int (*notify_hotplug)(struct platform_device *pdev); --}; -+} __no_const; - - /* - * callback functions for platform -diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h -index 8297e5b..0dfae27 100644 ---- a/include/linux/user_namespace.h -+++ b/include/linux/user_namespace.h -@@ -39,7 +39,7 @@ struct user_namespace { - struct key *persistent_keyring_register; - struct rw_semaphore persistent_keyring_register_sem; - #endif --}; -+} __randomize_layout; - - extern struct user_namespace init_user_ns; - -diff --git a/include/linux/utsname.h b/include/linux/utsname.h -index 5093f58..c103e58 100644 ---- a/include/linux/utsname.h -+++ b/include/linux/utsname.h -@@ -25,7 +25,7 @@ struct uts_namespace { - struct new_utsname name; - struct user_namespace *user_ns; - struct ns_common ns; --}; -+} __randomize_layout; - extern struct uts_namespace init_uts_ns; - - #ifdef CONFIG_UTS_NS -diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h -index 6f8fbcf..4efc177 100644 ---- a/include/linux/vermagic.h -+++ b/include/linux/vermagic.h -@@ -25,9 +25,42 @@ - #define MODULE_ARCH_VERMAGIC "" - #endif - -+#ifdef CONFIG_PAX_REFCOUNT -+#define MODULE_PAX_REFCOUNT "REFCOUNT " -+#else -+#define MODULE_PAX_REFCOUNT "" -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define MODULE_CONSTIFY_PLUGIN "CONSTIFY_PLUGIN " -+#else -+#define MODULE_CONSTIFY_PLUGIN "" -+#endif -+ -+#ifdef STACKLEAK_PLUGIN -+#define MODULE_STACKLEAK_PLUGIN "STACKLEAK_PLUGIN " -+#else -+#define MODULE_STACKLEAK_PLUGIN "" -+#endif -+ -+#ifdef RANDSTRUCT_PLUGIN -+#include <generated/randomize_layout_hash.h> -+#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED -+#else -+#define MODULE_RANDSTRUCT_PLUGIN -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define MODULE_GRSEC "GRSEC " -+#else -+#define MODULE_GRSEC "" -+#endif -+ - #define VERMAGIC_STRING \ - UTS_RELEASE " " \ - MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \ - MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \ -- MODULE_ARCH_VERMAGIC -+ MODULE_ARCH_VERMAGIC \ -+ MODULE_PAX_REFCOUNT MODULE_CONSTIFY_PLUGIN MODULE_STACKLEAK_PLUGIN \ -+ MODULE_GRSEC MODULE_RANDSTRUCT_PLUGIN - -diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h -index b483abd..af305ad 100644 ---- a/include/linux/vga_switcheroo.h -+++ b/include/linux/vga_switcheroo.h -@@ -63,9 +63,9 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev); - - void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); - --int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); -+int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain); - void vga_switcheroo_fini_domain_pm_ops(struct device *dev); --int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); -+int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain); - #else - - static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} -@@ -82,9 +82,9 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return - - static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} - --static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } -+static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } - static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} --static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } -+static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } - - #endif - #endif /* _LINUX_VGA_SWITCHEROO_H_ */ -diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h -index 0ec5983..d5888bb 100644 ---- a/include/linux/vmalloc.h -+++ b/include/linux/vmalloc.h -@@ -18,6 +18,14 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ - #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */ - #define VM_NO_GUARD 0x00000040 /* don't add guard page */ - #define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */ -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+#define VM_KERNEXEC 0x00000100 /* allocate from executable kernel memory range */ -+#endif -+ -+#define VM_USERCOPY 0x00000200 /* allocation intended for copies to userland */ -+ -+ - /* bits [20..32] reserved for arch specific ioremap internals */ - - /* -@@ -67,6 +75,7 @@ static inline void vmalloc_init(void) - #endif - - extern void *vmalloc(unsigned long size); -+extern void *vmalloc_usercopy(unsigned long size); - extern void *vzalloc(unsigned long size); - extern void *vmalloc_user(unsigned long size); - extern void *vmalloc_node(unsigned long size, int node); -@@ -86,6 +95,10 @@ extern void *vmap(struct page **pages, unsigned int count, - unsigned long flags, pgprot_t prot); - extern void vunmap(const void *addr); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+extern void unmap_process_stacks(struct task_struct *task); -+#endif -+ - extern int remap_vmalloc_range_partial(struct vm_area_struct *vma, - unsigned long uaddr, void *kaddr, - unsigned long size); -@@ -150,7 +163,7 @@ extern void free_vm_area(struct vm_struct *area); - - /* for /dev/kmem */ - extern long vread(char *buf, char *addr, unsigned long count); --extern long vwrite(char *buf, char *addr, unsigned long count); -+extern long vwrite(char *buf, char *addr, unsigned long count) __size_overflow(3); - - /* - * Internals. Dont't use.. -diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h -index 82e7db7..f8ce3d0 100644 ---- a/include/linux/vmstat.h -+++ b/include/linux/vmstat.h -@@ -108,18 +108,18 @@ static inline void vm_events_fold_cpu(int cpu) - /* - * Zone based page accounting with per cpu differentials. - */ --extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - static inline void zone_page_state_add(long x, struct zone *zone, - enum zone_stat_item item) - { -- atomic_long_add(x, &zone->vm_stat[item]); -- atomic_long_add(x, &vm_stat[item]); -+ atomic_long_add_unchecked(x, &zone->vm_stat[item]); -+ atomic_long_add_unchecked(x, &vm_stat[item]); - } - --static inline unsigned long global_page_state(enum zone_stat_item item) -+static inline unsigned long __intentional_overflow(-1) global_page_state(enum zone_stat_item item) - { -- long x = atomic_long_read(&vm_stat[item]); -+ long x = atomic_long_read_unchecked(&vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -127,10 +127,10 @@ static inline unsigned long global_page_state(enum zone_stat_item item) - return x; - } - --static inline unsigned long zone_page_state(struct zone *zone, -+static inline unsigned long __intentional_overflow(-1) zone_page_state(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -147,7 +147,7 @@ static inline unsigned long zone_page_state(struct zone *zone, - static inline unsigned long zone_page_state_snapshot(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - - #ifdef CONFIG_SMP - int cpu; -@@ -234,14 +234,14 @@ static inline void __mod_zone_page_state(struct zone *zone, - - static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_inc(&zone->vm_stat[item]); -- atomic_long_inc(&vm_stat[item]); -+ atomic_long_inc_unchecked(&zone->vm_stat[item]); -+ atomic_long_inc_unchecked(&vm_stat[item]); - } - - static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_dec(&zone->vm_stat[item]); -- atomic_long_dec(&vm_stat[item]); -+ atomic_long_dec_unchecked(&zone->vm_stat[item]); -+ atomic_long_dec_unchecked(&vm_stat[item]); - } - - static inline void __inc_zone_page_state(struct page *page, -diff --git a/include/linux/xattr.h b/include/linux/xattr.h -index 91b0a68..0e9adf6 100644 ---- a/include/linux/xattr.h -+++ b/include/linux/xattr.h -@@ -28,7 +28,7 @@ struct xattr_handler { - size_t size, int handler_flags); - int (*set)(struct dentry *dentry, const char *name, const void *buffer, - size_t size, int flags, int handler_flags); --}; -+} __do_const; - - struct xattr { - const char *name; -@@ -37,6 +37,9 @@ struct xattr { - }; - - ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t); -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ssize_t pax_getxattr(struct dentry *, void *, size_t); -+#endif - ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t); - ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); - int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int); -diff --git a/include/linux/zlib.h b/include/linux/zlib.h -index 92dbbd3..13ab0b3 100644 ---- a/include/linux/zlib.h -+++ b/include/linux/zlib.h -@@ -31,6 +31,7 @@ - #define _ZLIB_H - - #include <linux/zconf.h> -+#include <linux/compiler.h> - - /* zlib deflate based on ZLIB_VERSION "1.1.3" */ - /* zlib inflate based on ZLIB_VERSION "1.2.3" */ -@@ -179,7 +180,7 @@ typedef z_stream *z_streamp; - - /* basic functions */ - --extern int zlib_deflate_workspacesize (int windowBits, int memLevel); -+extern int zlib_deflate_workspacesize (int windowBits, int memLevel) __intentional_overflow(0); - /* - Returns the number of bytes that needs to be allocated for a per- - stream workspace with the specified parameters. A pointer to this -diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h -index acbcd2f..c3abe84 100644 ---- a/include/media/v4l2-dev.h -+++ b/include/media/v4l2-dev.h -@@ -74,7 +74,7 @@ struct v4l2_file_operations { - int (*mmap) (struct file *, struct vm_area_struct *); - int (*open) (struct file *); - int (*release) (struct file *); --}; -+} __do_const; - - /* - * Newer version of video_device, handled by videodev2.c -diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h -index 9c58157..d86ebf5 100644 ---- a/include/media/v4l2-device.h -+++ b/include/media/v4l2-device.h -@@ -93,7 +93,7 @@ int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4 - this function returns 0. If the name ends with a digit (e.g. cx18), - then the name will be set to cx18-0 since cx180 looks really odd. */ - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance); -+ atomic_unchecked_t *instance); - - /* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects. - Since the parent disappears this ensures that v4l2_dev doesn't have an -diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h -index 5122b5e..598b440 100644 ---- a/include/net/9p/transport.h -+++ b/include/net/9p/transport.h -@@ -62,7 +62,7 @@ struct p9_trans_module { - int (*cancelled)(struct p9_client *, struct p9_req_t *req); - int (*zc_request)(struct p9_client *, struct p9_req_t *, - struct iov_iter *, struct iov_iter *, int , int, int); --}; -+} __do_const; - - void v9fs_register_trans(struct p9_trans_module *m); - void v9fs_unregister_trans(struct p9_trans_module *m); -diff --git a/include/net/af_unix.h b/include/net/af_unix.h -index a175ba4..196eb8242 100644 ---- a/include/net/af_unix.h -+++ b/include/net/af_unix.h -@@ -36,7 +36,7 @@ struct unix_skb_parms { - u32 secid; /* Security ID */ - #endif - u32 consumed; --}; -+} __randomize_layout; - - #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) - #define UNIXSID(skb) (&UNIXCB((skb)).secid) -diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h -index 2239a37..a83461f 100644 ---- a/include/net/bluetooth/l2cap.h -+++ b/include/net/bluetooth/l2cap.h -@@ -609,7 +609,7 @@ struct l2cap_ops { - struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan, - unsigned long hdr_len, - unsigned long len, int nb); --}; -+} __do_const; - - struct l2cap_conn { - struct hci_conn *hcon; -diff --git a/include/net/bonding.h b/include/net/bonding.h -index 78ed135..2f53667 100644 ---- a/include/net/bonding.h -+++ b/include/net/bonding.h -@@ -658,7 +658,7 @@ extern struct rtnl_link_ops bond_link_ops; - - static inline void bond_tx_drop(struct net_device *dev, struct sk_buff *skb) - { -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - dev_kfree_skb_any(skb); - } - -diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h -index f2ae33d..c457cf0 100644 ---- a/include/net/caif/cfctrl.h -+++ b/include/net/caif/cfctrl.h -@@ -52,7 +52,7 @@ struct cfctrl_rsp { - void (*radioset_rsp)(void); - void (*reject_rsp)(struct cflayer *layer, u8 linkid, - struct cflayer *client_layer); --}; -+} __no_const; - - /* Link Setup Parameters for CAIF-Links. */ - struct cfctrl_link_param { -@@ -101,8 +101,8 @@ struct cfctrl_request_info { - struct cfctrl { - struct cfsrvl serv; - struct cfctrl_rsp res; -- atomic_t req_seq_no; -- atomic_t rsp_seq_no; -+ atomic_unchecked_t req_seq_no; -+ atomic_unchecked_t rsp_seq_no; - struct list_head list; - /* Protects from simultaneous access to first_req list */ - spinlock_t info_list_lock; -diff --git a/include/net/flow.h b/include/net/flow.h -index 8109a15..504466d 100644 ---- a/include/net/flow.h -+++ b/include/net/flow.h -@@ -231,6 +231,6 @@ void flow_cache_fini(struct net *net); - - void flow_cache_flush(struct net *net); - void flow_cache_flush_deferred(struct net *net); --extern atomic_t flow_cache_genid; -+extern atomic_unchecked_t flow_cache_genid; - - #endif -diff --git a/include/net/genetlink.h b/include/net/genetlink.h -index a9af1cc..1f3fa7b 100644 ---- a/include/net/genetlink.h -+++ b/include/net/genetlink.h -@@ -128,7 +128,7 @@ struct genl_ops { - u8 cmd; - u8 internal_flags; - u8 flags; --}; -+} __do_const; - - int __genl_register_family(struct genl_family *family); - -diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h -index 0f712c0..cd762c4 100644 ---- a/include/net/gro_cells.h -+++ b/include/net/gro_cells.h -@@ -27,7 +27,7 @@ static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *s - cell = this_cpu_ptr(gcells->cells); - - if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) { -- atomic_long_inc(&dev->rx_dropped); -+ atomic_long_inc_unchecked(&dev->rx_dropped); - kfree_skb(skb); - return; - } -diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h -index 0320bbb..938789c 100644 ---- a/include/net/inet_connection_sock.h -+++ b/include/net/inet_connection_sock.h -@@ -63,7 +63,7 @@ struct inet_connection_sock_af_ops { - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb, bool relax); - void (*mtu_reduced)(struct sock *sk); --}; -+} __do_const; - - /** inet_connection_sock - INET connection oriented sock - * -diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h -index 8d17655..2f3246d 100644 ---- a/include/net/inet_frag.h -+++ b/include/net/inet_frag.h -@@ -21,13 +21,11 @@ struct netns_frags { - * @INET_FRAG_FIRST_IN: first fragment has arrived - * @INET_FRAG_LAST_IN: final fragment has arrived - * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction -- * @INET_FRAG_EVICTED: frag queue is being evicted - */ - enum { - INET_FRAG_FIRST_IN = BIT(0), - INET_FRAG_LAST_IN = BIT(1), - INET_FRAG_COMPLETE = BIT(2), -- INET_FRAG_EVICTED = BIT(3) - }; - - /** -@@ -45,6 +43,7 @@ enum { - * @flags: fragment queue flags - * @max_size: (ipv4 only) maximum received fragment size with IP_DF set - * @net: namespace that this frag belongs to -+ * @list_evictor: list of queues to forcefully evict (e.g. due to low memory) - */ - struct inet_frag_queue { - spinlock_t lock; -@@ -59,6 +58,7 @@ struct inet_frag_queue { - __u8 flags; - u16 max_size; - struct netns_frags *net; -+ struct hlist_node list_evictor; - }; - - #define INETFRAGS_HASHSZ 1024 -@@ -125,6 +125,11 @@ static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f - inet_frag_destroy(q, f); - } - -+static inline bool inet_frag_evicting(struct inet_frag_queue *q) -+{ -+ return !hlist_unhashed(&q->list_evictor); -+} -+ - /* Memory Tracking Functions. */ - - /* The default percpu_counter batch size is not big enough to scale to -@@ -139,14 +144,14 @@ static inline int frag_mem_limit(struct netns_frags *nf) - return percpu_counter_read(&nf->mem); - } - --static inline void sub_frag_mem_limit(struct inet_frag_queue *q, int i) -+static inline void sub_frag_mem_limit(struct netns_frags *nf, int i) - { -- __percpu_counter_add(&q->net->mem, -i, frag_percpu_counter_batch); -+ __percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch); - } - --static inline void add_frag_mem_limit(struct inet_frag_queue *q, int i) -+static inline void add_frag_mem_limit(struct netns_frags *nf, int i) - { -- __percpu_counter_add(&q->net->mem, i, frag_percpu_counter_batch); -+ __percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch); - } - - static inline void init_frag_mem_limit(struct netns_frags *nf) -diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h -index d5332dd..10a5c3c 100644 ---- a/include/net/inetpeer.h -+++ b/include/net/inetpeer.h -@@ -48,7 +48,7 @@ struct inet_peer { - */ - union { - struct { -- atomic_t rid; /* Frag reception counter */ -+ atomic_unchecked_t rid; /* Frag reception counter */ - }; - struct rcu_head rcu; - struct inet_peer *gc_next; -diff --git a/include/net/ip.h b/include/net/ip.h -index d14af7e..52816c2 100644 ---- a/include/net/ip.h -+++ b/include/net/ip.h -@@ -318,7 +318,7 @@ static inline unsigned int ip_skb_dst_mtu(const struct sk_buff *skb) - } - } - --u32 ip_idents_reserve(u32 hash, int segs); -+u32 ip_idents_reserve(u32 hash, int segs) __intentional_overflow(-1); - void __ip_select_ident(struct net *net, struct iphdr *iph, int segs); - - static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb, -diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h -index 54271ed..eb7e0e6 100644 ---- a/include/net/ip_fib.h -+++ b/include/net/ip_fib.h -@@ -170,7 +170,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); - - #define FIB_RES_SADDR(net, res) \ - ((FIB_RES_NH(res).nh_saddr_genid == \ -- atomic_read(&(net)->ipv4.dev_addr_genid)) ? \ -+ atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \ - FIB_RES_NH(res).nh_saddr : \ - fib_info_update_nh_saddr((net), &FIB_RES_NH(res))) - #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw) -diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h -index 4e3731e..a242e28 100644 ---- a/include/net/ip_vs.h -+++ b/include/net/ip_vs.h -@@ -551,7 +551,7 @@ struct ip_vs_conn { - struct ip_vs_conn *control; /* Master control connection */ - atomic_t n_control; /* Number of controlled ones */ - struct ip_vs_dest *dest; /* real server */ -- atomic_t in_pkts; /* incoming packet counter */ -+ atomic_unchecked_t in_pkts; /* incoming packet counter */ - - /* Packet transmitter for different forwarding methods. If it - * mangles the packet, it must return NF_DROP or better NF_STOLEN, -@@ -699,7 +699,7 @@ struct ip_vs_dest { - __be16 port; /* port number of the server */ - union nf_inet_addr addr; /* IP address of the server */ - volatile unsigned int flags; /* dest status flags */ -- atomic_t conn_flags; /* flags to copy to conn */ -+ atomic_unchecked_t conn_flags; /* flags to copy to conn */ - atomic_t weight; /* server weight */ - - atomic_t refcnt; /* reference counter */ -@@ -946,11 +946,11 @@ struct netns_ipvs { - /* ip_vs_lblc */ - int sysctl_lblc_expiration; - struct ctl_table_header *lblc_ctl_header; -- struct ctl_table *lblc_ctl_table; -+ ctl_table_no_const *lblc_ctl_table; - /* ip_vs_lblcr */ - int sysctl_lblcr_expiration; - struct ctl_table_header *lblcr_ctl_header; -- struct ctl_table *lblcr_ctl_table; -+ ctl_table_no_const *lblcr_ctl_table; - /* ip_vs_est */ - struct list_head est_list; /* estimator list */ - spinlock_t est_lock; -diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h -index 8d4f588..2e37ad2 100644 ---- a/include/net/irda/ircomm_tty.h -+++ b/include/net/irda/ircomm_tty.h -@@ -33,6 +33,7 @@ - #include <linux/termios.h> - #include <linux/timer.h> - #include <linux/tty.h> /* struct tty_struct */ -+#include <asm/local.h> - - #include <net/irda/irias_object.h> - #include <net/irda/ircomm_core.h> -diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h -index 714cc9a..ea05f3e 100644 ---- a/include/net/iucv/af_iucv.h -+++ b/include/net/iucv/af_iucv.h -@@ -149,7 +149,7 @@ struct iucv_skb_cb { - struct iucv_sock_list { - struct hlist_head head; - rwlock_t lock; -- atomic_t autobind_name; -+ atomic_unchecked_t autobind_name; - }; - - unsigned int iucv_sock_poll(struct file *file, struct socket *sock, -diff --git a/include/net/llc_c_ac.h b/include/net/llc_c_ac.h -index f3be818..bf46196 100644 ---- a/include/net/llc_c_ac.h -+++ b/include/net/llc_c_ac.h -@@ -87,7 +87,7 @@ - #define LLC_CONN_AC_STOP_SENDACK_TMR 70 - #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71 - --typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); - - int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb); - int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb); -diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h -index 3948cf1..83b28c4 100644 ---- a/include/net/llc_c_ev.h -+++ b/include/net/llc_c_ev.h -@@ -125,8 +125,8 @@ static __inline__ struct llc_conn_state_ev *llc_conn_ev(struct sk_buff *skb) - return (struct llc_conn_state_ev *)skb->cb; - } - --typedef int (*llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb); --typedef int (*llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb); - - int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb); - int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb); -diff --git a/include/net/llc_c_st.h b/include/net/llc_c_st.h -index 48f3f89..0e92c50 100644 ---- a/include/net/llc_c_st.h -+++ b/include/net/llc_c_st.h -@@ -37,7 +37,7 @@ struct llc_conn_state_trans { - u8 next_state; - const llc_conn_ev_qfyr_t *ev_qualifiers; - const llc_conn_action_t *ev_actions; --}; -+} __do_const; - - struct llc_conn_state { - u8 current_state; -diff --git a/include/net/llc_s_ac.h b/include/net/llc_s_ac.h -index a61b98c..aade1eb 100644 ---- a/include/net/llc_s_ac.h -+++ b/include/net/llc_s_ac.h -@@ -23,7 +23,7 @@ - #define SAP_ACT_TEST_IND 9 - - /* All action functions must look like this */ --typedef int (*llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb); -+typedef int (* const llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb); - - int llc_sap_action_unitdata_ind(struct llc_sap *sap, struct sk_buff *skb); - int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb); -diff --git a/include/net/llc_s_st.h b/include/net/llc_s_st.h -index c4359e2..76dbc4a 100644 ---- a/include/net/llc_s_st.h -+++ b/include/net/llc_s_st.h -@@ -20,7 +20,7 @@ struct llc_sap_state_trans { - llc_sap_ev_t ev; - u8 next_state; - const llc_sap_action_t *ev_actions; --}; -+} __do_const; - - struct llc_sap_state { - u8 curr_state; -diff --git a/include/net/mac80211.h b/include/net/mac80211.h -index fc57f6b..9c1fdb2 100644 ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -5104,7 +5104,7 @@ struct rate_control_ops { - void (*remove_sta_debugfs)(void *priv, void *priv_sta); - - u32 (*get_expected_throughput)(void *priv_sta); --}; -+} __do_const; - - static inline int rate_supported(struct ieee80211_sta *sta, - enum ieee80211_band band, -diff --git a/include/net/neighbour.h b/include/net/neighbour.h -index bd33e66..6508d00 100644 ---- a/include/net/neighbour.h -+++ b/include/net/neighbour.h -@@ -162,7 +162,7 @@ struct neigh_ops { - void (*error_report)(struct neighbour *, struct sk_buff *); - int (*output)(struct neighbour *, struct sk_buff *); - int (*connected_output)(struct neighbour *, struct sk_buff *); --}; -+} __do_const; - - struct pneigh_entry { - struct pneigh_entry *next; -@@ -216,7 +216,7 @@ struct neigh_table { - struct neigh_statistics __percpu *stats; - struct neigh_hash_table __rcu *nht; - struct pneigh_entry **phash_buckets; --}; -+} __randomize_layout; - - enum { - NEIGH_ARP_TABLE = 0, -diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h -index f733656..54053db 100644 ---- a/include/net/net_namespace.h -+++ b/include/net/net_namespace.h -@@ -132,8 +132,8 @@ struct net { - struct netns_mpls mpls; - #endif - struct sock *diag_nlsk; -- atomic_t fnhe_genid; --}; -+ atomic_unchecked_t fnhe_genid; -+} __randomize_layout; - - #include <linux/seq_file_net.h> - -@@ -268,7 +268,11 @@ static inline struct net *read_pnet(const possible_net_t *pnet) - #define __net_init __init - #define __net_exit __exit_refok - #define __net_initdata __initdata -+#ifdef CONSTIFY_PLUGIN - #define __net_initconst __initconst -+#else -+#define __net_initconst __initdata -+#endif - #endif - - int peernet2id(struct net *net, struct net *peer); -@@ -281,7 +285,7 @@ struct pernet_operations { - void (*exit_batch)(struct list_head *net_exit_list); - int *id; - size_t size; --}; -+} __do_const; - - /* - * Use these carefully. If you implement a network device and it -@@ -329,12 +333,12 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header) - - static inline int rt_genid_ipv4(struct net *net) - { -- return atomic_read(&net->ipv4.rt_genid); -+ return atomic_read_unchecked(&net->ipv4.rt_genid); - } - - static inline void rt_genid_bump_ipv4(struct net *net) - { -- atomic_inc(&net->ipv4.rt_genid); -+ atomic_inc_unchecked(&net->ipv4.rt_genid); - } - - extern void (*__fib6_flush_trees)(struct net *net); -@@ -361,12 +365,12 @@ static inline void rt_genid_bump_all(struct net *net) - - static inline int fnhe_genid(struct net *net) - { -- return atomic_read(&net->fnhe_genid); -+ return atomic_read_unchecked(&net->fnhe_genid); - } - - static inline void fnhe_genid_bump(struct net *net) - { -- atomic_inc(&net->fnhe_genid); -+ atomic_inc_unchecked(&net->fnhe_genid); - } - - #endif /* __NET_NET_NAMESPACE_H */ -diff --git a/include/net/netlink.h b/include/net/netlink.h -index 2a5dbcc..8243656 100644 ---- a/include/net/netlink.h -+++ b/include/net/netlink.h -@@ -521,7 +521,7 @@ static inline void nlmsg_trim(struct sk_buff *skb, const void *mark) - { - if (mark) { - WARN_ON((unsigned char *) mark < skb->data); -- skb_trim(skb, (unsigned char *) mark - skb->data); -+ skb_trim(skb, (const unsigned char *) mark - skb->data); - } - } - -diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h -index 29d6a94..235d3d84 100644 ---- a/include/net/netns/conntrack.h -+++ b/include/net/netns/conntrack.h -@@ -14,10 +14,10 @@ struct nf_conntrack_ecache; - struct nf_proto_net { - #ifdef CONFIG_SYSCTL - struct ctl_table_header *ctl_table_header; -- struct ctl_table *ctl_table; -+ ctl_table_no_const *ctl_table; - #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT - struct ctl_table_header *ctl_compat_header; -- struct ctl_table *ctl_compat_table; -+ ctl_table_no_const *ctl_compat_table; - #endif - #endif - unsigned int users; -@@ -60,7 +60,7 @@ struct nf_ip_net { - struct nf_icmp_net icmpv6; - #if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT) - struct ctl_table_header *ctl_table_header; -- struct ctl_table *ctl_table; -+ ctl_table_no_const *ctl_table; - #endif - }; - -diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h -index 614a49b..0b94386 100644 ---- a/include/net/netns/ipv4.h -+++ b/include/net/netns/ipv4.h -@@ -90,7 +90,7 @@ struct netns_ipv4 { - - struct ping_group_range ping_group_range; - -- atomic_t dev_addr_genid; -+ atomic_unchecked_t dev_addr_genid; - - #ifdef CONFIG_SYSCTL - unsigned long *sysctl_local_reserved_ports; -@@ -104,6 +104,6 @@ struct netns_ipv4 { - struct fib_rules_ops *mr_rules_ops; - #endif - #endif -- atomic_t rt_genid; -+ atomic_unchecked_t rt_genid; - }; - #endif -diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h -index d2527bf..2c802d5 100644 ---- a/include/net/netns/ipv6.h -+++ b/include/net/netns/ipv6.h -@@ -78,8 +78,8 @@ struct netns_ipv6 { - struct fib_rules_ops *mr6_rules_ops; - #endif - #endif -- atomic_t dev_addr_genid; -- atomic_t fib6_sernum; -+ atomic_unchecked_t dev_addr_genid; -+ atomic_unchecked_t fib6_sernum; - }; - - #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) -diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h -index 730d82a..045f2c4 100644 ---- a/include/net/netns/xfrm.h -+++ b/include/net/netns/xfrm.h -@@ -78,7 +78,7 @@ struct netns_xfrm { - - /* flow cache part */ - struct flow_cache flow_cache_global; -- atomic_t flow_cache_genid; -+ atomic_unchecked_t flow_cache_genid; - struct list_head flow_cache_gc_list; - spinlock_t flow_cache_gc_lock; - struct work_struct flow_cache_gc_work; -diff --git a/include/net/ping.h b/include/net/ping.h -index ac80cb4..ec1ed09 100644 ---- a/include/net/ping.h -+++ b/include/net/ping.h -@@ -54,7 +54,7 @@ struct ping_iter_state { - - extern struct proto ping_prot; - #if IS_ENABLED(CONFIG_IPV6) --extern struct pingv6_ops pingv6_ops; -+extern struct pingv6_ops *pingv6_ops; - #endif - - struct pingfakehdr { -diff --git a/include/net/protocol.h b/include/net/protocol.h -index d6fcc1f..ca277058 100644 ---- a/include/net/protocol.h -+++ b/include/net/protocol.h -@@ -49,7 +49,7 @@ struct net_protocol { - * socket lookup? - */ - icmp_strict_tag_validation:1; --}; -+} __do_const; - - #if IS_ENABLED(CONFIG_IPV6) - struct inet6_protocol { -@@ -62,7 +62,7 @@ struct inet6_protocol { - u8 type, u8 code, int offset, - __be32 info); - unsigned int flags; /* INET6_PROTO_xxx */ --}; -+} __do_const; - - #define INET6_PROTO_NOPOLICY 0x1 - #define INET6_PROTO_FINAL 0x2 -diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h -index 343d922..7959cde 100644 ---- a/include/net/rtnetlink.h -+++ b/include/net/rtnetlink.h -@@ -95,7 +95,7 @@ struct rtnl_link_ops { - const struct net_device *dev, - const struct net_device *slave_dev); - struct net *(*get_link_net)(const struct net_device *dev); --}; -+} __do_const; - - int __rtnl_link_register(struct rtnl_link_ops *ops); - void __rtnl_link_unregister(struct rtnl_link_ops *ops); -diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h -index 4a5b9a3..ca27d73 100644 ---- a/include/net/sctp/checksum.h -+++ b/include/net/sctp/checksum.h -@@ -61,8 +61,8 @@ static inline __le32 sctp_compute_cksum(const struct sk_buff *skb, - unsigned int offset) - { - struct sctphdr *sh = sctp_hdr(skb); -- __le32 ret, old = sh->checksum; -- const struct skb_checksum_ops ops = { -+ __le32 ret, old = sh->checksum; -+ static const struct skb_checksum_ops ops = { - .update = sctp_csum_update, - .combine = sctp_csum_combine, - }; -diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h -index 487ef34..d457f98 100644 ---- a/include/net/sctp/sm.h -+++ b/include/net/sctp/sm.h -@@ -80,7 +80,7 @@ typedef void (sctp_timer_event_t) (unsigned long); - typedef struct { - sctp_state_fn_t *fn; - const char *name; --} sctp_sm_table_entry_t; -+} __do_const sctp_sm_table_entry_t; - - /* A naming convention of "sctp_sf_xxx" applies to all the state functions - * currently in use. -@@ -292,7 +292,7 @@ __u32 sctp_generate_tag(const struct sctp_endpoint *); - __u32 sctp_generate_tsn(const struct sctp_endpoint *); - - /* Extern declarations for major data structures. */ --extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES]; -+extern sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES]; - - - /* Get the size of a DATA chunk payload. */ -diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h -index 495c87e..5b327ff 100644 ---- a/include/net/sctp/structs.h -+++ b/include/net/sctp/structs.h -@@ -513,7 +513,7 @@ struct sctp_pf { - void (*to_sk_saddr)(union sctp_addr *, struct sock *sk); - void (*to_sk_daddr)(union sctp_addr *, struct sock *sk); - struct sctp_af *af; --}; -+} __do_const; - - - /* Structure to track chunk fragments that have been acked, but peer -diff --git a/include/net/sock.h b/include/net/sock.h -index 3a4898e..67456ac 100644 ---- a/include/net/sock.h -+++ b/include/net/sock.h -@@ -363,7 +363,7 @@ struct sock { - unsigned int sk_napi_id; - unsigned int sk_ll_usec; - #endif -- atomic_t sk_drops; -+ atomic_unchecked_t sk_drops; - int sk_rcvbuf; - - struct sk_filter __rcu *sk_filter; -@@ -1039,7 +1039,7 @@ struct proto { - void (*destroy_cgroup)(struct mem_cgroup *memcg); - struct cg_proto *(*proto_cgroup)(struct mem_cgroup *memcg); - #endif --}; -+} __randomize_layout; - - /* - * Bits in struct cg_proto.flags -@@ -1212,7 +1212,7 @@ static inline void memcg_memory_allocated_sub(struct cg_proto *prot, - page_counter_uncharge(&prot->memory_allocated, amt); - } - --static inline long -+static inline long __intentional_overflow(-1) - sk_memory_allocated(const struct sock *sk) - { - struct proto *prot = sk->sk_prot; -@@ -1777,7 +1777,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags) - } - - static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, -- struct iov_iter *from, char *to, -+ struct iov_iter *from, unsigned char *to, - int copy, int offset) - { - if (skb->ip_summed == CHECKSUM_NONE) { -@@ -2024,7 +2024,7 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk) - } - } - --struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp); -+struct sk_buff * __intentional_overflow(0) sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp); - - /** - * sk_page_frag - return an appropriate page_frag -@@ -2099,7 +2099,7 @@ struct sock_skb_cb { - static inline void - sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) - { -- SOCK_SKB_CB(skb)->dropcount = atomic_read(&sk->sk_drops); -+ SOCK_SKB_CB(skb)->dropcount = atomic_read_unchecked(&sk->sk_drops); - } - - void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, -diff --git a/include/net/tcp.h b/include/net/tcp.h -index 6d204f3..d5a8ff0 100644 ---- a/include/net/tcp.h -+++ b/include/net/tcp.h -@@ -523,7 +523,7 @@ void tcp_retransmit_timer(struct sock *sk); - void tcp_xmit_retransmit_queue(struct sock *); - void tcp_simple_retransmit(struct sock *); - int tcp_trim_head(struct sock *, struct sk_buff *, u32); --int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); -+int __intentional_overflow(3) tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); - - void tcp_send_probe0(struct sock *); - void tcp_send_partial(struct sock *); -@@ -699,8 +699,8 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) - * If this grows please adjust skbuff.h:skbuff->cb[xxx] size appropriately. - */ - struct tcp_skb_cb { -- __u32 seq; /* Starting sequence number */ -- __u32 end_seq; /* SEQ + FIN + SYN + datalen */ -+ __u32 seq __intentional_overflow(0); /* Starting sequence number */ -+ __u32 end_seq __intentional_overflow(0); /* SEQ + FIN + SYN + datalen */ - union { - /* Note : tcp_tw_isn is used in input path only - * (isn chosen by tcp_timewait_state_process()) -@@ -725,7 +725,7 @@ struct tcp_skb_cb { - - __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */ - /* 1 byte hole */ -- __u32 ack_seq; /* Sequence number ACK'd */ -+ __u32 ack_seq __intentional_overflow(0); /* Sequence number ACK'd */ - union { - struct inet_skb_parm h4; - #if IS_ENABLED(CONFIG_IPV6) -diff --git a/include/net/xfrm.h b/include/net/xfrm.h -index 36ac102..6e8b34b 100644 ---- a/include/net/xfrm.h -+++ b/include/net/xfrm.h -@@ -283,7 +283,6 @@ struct xfrm_dst; - struct xfrm_policy_afinfo { - unsigned short family; - struct dst_ops *dst_ops; -- void (*garbage_collect)(struct net *net); - struct dst_entry *(*dst_lookup)(struct net *net, int tos, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr); -@@ -301,7 +300,7 @@ struct xfrm_policy_afinfo { - struct net_device *dev, - const struct flowi *fl); - struct dst_entry *(*blackhole_route)(struct net *net, struct dst_entry *orig); --}; -+} __do_const; - - int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo); - int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo); -@@ -340,7 +339,7 @@ struct xfrm_state_afinfo { - int (*transport_finish)(struct sk_buff *skb, - int async); - void (*local_error)(struct sk_buff *skb, u32 mtu); --}; -+} __do_const; - - int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); - int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); -@@ -435,7 +434,7 @@ struct xfrm_mode { - struct module *owner; - unsigned int encap; - int flags; --}; -+} __do_const; - - /* Flags for xfrm_mode. */ - enum { -@@ -530,7 +529,7 @@ struct xfrm_policy { - struct timer_list timer; - - struct flow_cache_object flo; -- atomic_t genid; -+ atomic_unchecked_t genid; - u32 priority; - u32 index; - struct xfrm_mark mark; -@@ -1163,6 +1162,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk) - } - - void xfrm_garbage_collect(struct net *net); -+void xfrm_garbage_collect_deferred(struct net *net); - - #else - -@@ -1201,6 +1201,9 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir, - static inline void xfrm_garbage_collect(struct net *net) - { - } -+static inline void xfrm_garbage_collect_deferred(struct net *net) -+{ -+} - #endif - - static __inline__ -diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h -index 1017e0b..227aa4d 100644 ---- a/include/rdma/iw_cm.h -+++ b/include/rdma/iw_cm.h -@@ -122,7 +122,7 @@ struct iw_cm_verbs { - int backlog); - - int (*destroy_listen)(struct iw_cm_id *cm_id); --}; -+} __no_const; - - /** - * iw_create_cm_id - Create an IW CM identifier. -diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h -index 93d14da..734b3d8 100644 ---- a/include/scsi/libfc.h -+++ b/include/scsi/libfc.h -@@ -771,6 +771,7 @@ struct libfc_function_template { - */ - void (*disc_stop_final) (struct fc_lport *); - }; -+typedef struct libfc_function_template __no_const libfc_function_template_no_const; - - /** - * struct fc_disc - Discovery context -@@ -875,7 +876,7 @@ struct fc_lport { - struct fc_vport *vport; - - /* Operational Information */ -- struct libfc_function_template tt; -+ libfc_function_template_no_const tt; - u8 link_up; - u8 qfull; - enum fc_lport_state state; -diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h -index a4c9336..d6f8f34 100644 ---- a/include/scsi/scsi_device.h -+++ b/include/scsi/scsi_device.h -@@ -185,9 +185,9 @@ struct scsi_device { - unsigned int max_device_blocked; /* what device_blocked counts down from */ - #define SCSI_DEFAULT_DEVICE_BLOCKED 3 - -- atomic_t iorequest_cnt; -- atomic_t iodone_cnt; -- atomic_t ioerr_cnt; -+ atomic_unchecked_t iorequest_cnt; -+ atomic_unchecked_t iodone_cnt; -+ atomic_unchecked_t ioerr_cnt; - - struct device sdev_gendev, - sdev_dev; -diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h -index 891a658..fcd68df 100644 ---- a/include/scsi/scsi_driver.h -+++ b/include/scsi/scsi_driver.h -@@ -14,7 +14,7 @@ struct scsi_driver { - void (*rescan)(struct device *); - int (*init_command)(struct scsi_cmnd *); - void (*uninit_command)(struct scsi_cmnd *); -- int (*done)(struct scsi_cmnd *); -+ unsigned int (*done)(struct scsi_cmnd *); - int (*eh_action)(struct scsi_cmnd *, int); - }; - #define to_scsi_driver(drv) \ -diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h -index 784bc2c..855a04c 100644 ---- a/include/scsi/scsi_transport_fc.h -+++ b/include/scsi/scsi_transport_fc.h -@@ -757,7 +757,8 @@ struct fc_function_template { - unsigned long show_host_system_hostname:1; - - unsigned long disable_target_scan:1; --}; -+} __do_const; -+typedef struct fc_function_template __no_const fc_function_template_no_const; - - - /** -diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h -index fa1d055..3647940 100644 ---- a/include/sound/compress_driver.h -+++ b/include/sound/compress_driver.h -@@ -130,7 +130,7 @@ struct snd_compr_ops { - struct snd_compr_caps *caps); - int (*get_codec_caps) (struct snd_compr_stream *stream, - struct snd_compr_codec_caps *codec); --}; -+} __no_const; - - /** - * struct snd_compr: Compressed device -diff --git a/include/sound/soc.h b/include/sound/soc.h -index f6226914..e919a2e 100644 ---- a/include/sound/soc.h -+++ b/include/sound/soc.h -@@ -870,7 +870,7 @@ struct snd_soc_codec_driver { - enum snd_soc_dapm_type, int); - - bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ --}; -+} __do_const; - - /* SoC platform interface */ - struct snd_soc_platform_driver { -@@ -897,7 +897,7 @@ struct snd_soc_platform_driver { - const struct snd_compr_ops *compr_ops; - - int (*bespoke_trigger)(struct snd_pcm_substream *, int); --}; -+} __do_const; - - struct snd_soc_dai_link_component { - const char *name; -diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h -index 480e9f8..2d59c93 100644 ---- a/include/target/target_core_base.h -+++ b/include/target/target_core_base.h -@@ -767,7 +767,7 @@ struct se_device { - atomic_long_t write_bytes; - /* Active commands on this virtual SE device */ - atomic_t simple_cmds; -- atomic_t dev_ordered_id; -+ atomic_unchecked_t dev_ordered_id; - atomic_t dev_ordered_sync; - atomic_t dev_qf_count; - int export_count; -diff --git a/include/trace/events/fs.h b/include/trace/events/fs.h -new file mode 100644 -index 0000000..fb634b7 ---- /dev/null -+++ b/include/trace/events/fs.h -@@ -0,0 +1,53 @@ -+#undef TRACE_SYSTEM -+#define TRACE_SYSTEM fs -+ -+#if !defined(_TRACE_FS_H) || defined(TRACE_HEADER_MULTI_READ) -+#define _TRACE_FS_H -+ -+#include <linux/fs.h> -+#include <linux/tracepoint.h> -+ -+TRACE_EVENT(do_sys_open, -+ -+ TP_PROTO(const char *filename, int flags, int mode), -+ -+ TP_ARGS(filename, flags, mode), -+ -+ TP_STRUCT__entry( -+ __string( filename, filename ) -+ __field( int, flags ) -+ __field( int, mode ) -+ ), -+ -+ TP_fast_assign( -+ __assign_str(filename, filename); -+ __entry->flags = flags; -+ __entry->mode = mode; -+ ), -+ -+ TP_printk("\"%s\" %x %o", -+ __get_str(filename), __entry->flags, __entry->mode) -+); -+ -+TRACE_EVENT(open_exec, -+ -+ TP_PROTO(const char *filename), -+ -+ TP_ARGS(filename), -+ -+ TP_STRUCT__entry( -+ __string( filename, filename ) -+ ), -+ -+ TP_fast_assign( -+ __assign_str(filename, filename); -+ ), -+ -+ TP_printk("\"%s\"", -+ __get_str(filename)) -+); -+ -+#endif /* _TRACE_FS_H */ -+ -+/* This part must be outside protection */ -+#include <trace/define_trace.h> -diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h -index ff8f6c0..6b6bae3 100644 ---- a/include/trace/events/irq.h -+++ b/include/trace/events/irq.h -@@ -51,7 +51,7 @@ SOFTIRQ_NAME_LIST - */ - TRACE_EVENT(irq_handler_entry, - -- TP_PROTO(int irq, struct irqaction *action), -+ TP_PROTO(int irq, const struct irqaction *action), - - TP_ARGS(irq, action), - -@@ -81,7 +81,7 @@ TRACE_EVENT(irq_handler_entry, - */ - TRACE_EVENT(irq_handler_exit, - -- TP_PROTO(int irq, struct irqaction *action, int ret), -+ TP_PROTO(int irq, const struct irqaction *action, int ret), - - TP_ARGS(irq, action, ret), - -diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h -index a7e41fb..c115957 100644 ---- a/include/uapi/drm/i915_drm.h -+++ b/include/uapi/drm/i915_drm.h -@@ -350,6 +350,7 @@ typedef struct drm_i915_irq_wait { - #define I915_PARAM_REVISION 32 - #define I915_PARAM_SUBSLICE_TOTAL 33 - #define I915_PARAM_EU_TOTAL 34 -+#define I915_PARAM_HAS_LEGACY_CONTEXT 35 - - typedef struct drm_i915_getparam { - int param; -diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h -index 7caf44c..23c6f27 100644 ---- a/include/uapi/linux/a.out.h -+++ b/include/uapi/linux/a.out.h -@@ -39,6 +39,14 @@ enum machine_type { - M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ - }; - -+/* Constants for the N_FLAGS field */ -+#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define F_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ -+ - #if !defined (N_MAGIC) - #define N_MAGIC(exec) ((exec).a_info & 0xffff) - #endif -diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h -index 22b6ad3..aeba37e 100644 ---- a/include/uapi/linux/bcache.h -+++ b/include/uapi/linux/bcache.h -@@ -5,6 +5,7 @@ - * Bcache on disk data structures - */ - -+#include <linux/compiler.h> - #include <asm/types.h> - - #define BITMASK(name, type, field, offset, size) \ -@@ -20,8 +21,8 @@ static inline void SET_##name(type *k, __u64 v) \ - /* Btree keys - all units are in sectors */ - - struct bkey { -- __u64 high; -- __u64 low; -+ __u64 high __intentional_overflow(-1); -+ __u64 low __intentional_overflow(-1); - __u64 ptr[]; - }; - -diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h -index d876736..ccce5c0 100644 ---- a/include/uapi/linux/byteorder/little_endian.h -+++ b/include/uapi/linux/byteorder/little_endian.h -@@ -42,51 +42,51 @@ - - static inline __le64 __cpu_to_le64p(const __u64 *p) - { -- return (__force __le64)*p; -+ return (__force const __le64)*p; - } --static inline __u64 __le64_to_cpup(const __le64 *p) -+static inline __u64 __intentional_overflow(-1) __le64_to_cpup(const __le64 *p) - { -- return (__force __u64)*p; -+ return (__force const __u64)*p; - } - static inline __le32 __cpu_to_le32p(const __u32 *p) - { -- return (__force __le32)*p; -+ return (__force const __le32)*p; - } - static inline __u32 __le32_to_cpup(const __le32 *p) - { -- return (__force __u32)*p; -+ return (__force const __u32)*p; - } - static inline __le16 __cpu_to_le16p(const __u16 *p) - { -- return (__force __le16)*p; -+ return (__force const __le16)*p; - } - static inline __u16 __le16_to_cpup(const __le16 *p) - { -- return (__force __u16)*p; -+ return (__force const __u16)*p; - } - static inline __be64 __cpu_to_be64p(const __u64 *p) - { -- return (__force __be64)__swab64p(p); -+ return (__force const __be64)__swab64p(p); - } - static inline __u64 __be64_to_cpup(const __be64 *p) - { -- return __swab64p((__u64 *)p); -+ return __swab64p((const __u64 *)p); - } - static inline __be32 __cpu_to_be32p(const __u32 *p) - { -- return (__force __be32)__swab32p(p); -+ return (__force const __be32)__swab32p(p); - } --static inline __u32 __be32_to_cpup(const __be32 *p) -+static inline __u32 __intentional_overflow(-1) __be32_to_cpup(const __be32 *p) - { -- return __swab32p((__u32 *)p); -+ return __swab32p((const __u32 *)p); - } - static inline __be16 __cpu_to_be16p(const __u16 *p) - { -- return (__force __be16)__swab16p(p); -+ return (__force const __be16)__swab16p(p); - } - static inline __u16 __be16_to_cpup(const __be16 *p) - { -- return __swab16p((__u16 *)p); -+ return __swab16p((const __u16 *)p); - } - #define __cpu_to_le64s(x) do { (void)(x); } while (0) - #define __le64_to_cpus(x) do { (void)(x); } while (0) -diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h -index 71e1d0e..6cc9caf 100644 ---- a/include/uapi/linux/elf.h -+++ b/include/uapi/linux/elf.h -@@ -37,6 +37,17 @@ typedef __s64 Elf64_Sxword; - #define PT_GNU_EH_FRAME 0x6474e550 - - #define PT_GNU_STACK (PT_LOOS + 0x474e551) -+#define PT_GNU_RELRO (PT_LOOS + 0x474e552) -+ -+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) -+ -+/* Constants for the e_flags field */ -+#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ - - /* - * Extended Numbering -@@ -94,6 +105,8 @@ typedef __s64 Elf64_Sxword; - #define DT_DEBUG 21 - #define DT_TEXTREL 22 - #define DT_JMPREL 23 -+#define DT_FLAGS 30 -+ #define DF_TEXTREL 0x00000004 - #define DT_ENCODING 32 - #define OLD_DT_LOOS 0x60000000 - #define DT_LOOS 0x6000000d -@@ -240,6 +253,19 @@ typedef struct elf64_hdr { - #define PF_W 0x2 - #define PF_X 0x1 - -+#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */ -+#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */ -+#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */ -+#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */ -+#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */ -+#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */ -+/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */ -+/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */ -+#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */ -+#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */ -+#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */ -+#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */ -+ - typedef struct elf32_phdr{ - Elf32_Word p_type; - Elf32_Off p_offset; -@@ -332,6 +358,8 @@ typedef struct elf64_shdr { - #define EI_OSABI 7 - #define EI_PAD 8 - -+#define EI_PAX 14 -+ - #define ELFMAG0 0x7f /* EI_MAG */ - #define ELFMAG1 'E' - #define ELFMAG2 'L' -diff --git a/include/uapi/linux/personality.h b/include/uapi/linux/personality.h -index aa169c4..6a2771d 100644 ---- a/include/uapi/linux/personality.h -+++ b/include/uapi/linux/personality.h -@@ -30,6 +30,7 @@ enum { - #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ - ADDR_NO_RANDOMIZE | \ - ADDR_COMPAT_LAYOUT | \ -+ ADDR_LIMIT_3GB | \ - MMAP_PAGE_ZERO) - - /* -diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h -index 7530e74..e714828 100644 ---- a/include/uapi/linux/screen_info.h -+++ b/include/uapi/linux/screen_info.h -@@ -43,7 +43,8 @@ struct screen_info { - __u16 pages; /* 0x32 */ - __u16 vesa_attributes; /* 0x34 */ - __u32 capabilities; /* 0x36 */ -- __u8 _reserved[6]; /* 0x3a */ -+ __u16 vesapm_size; /* 0x3a */ -+ __u8 _reserved[4]; /* 0x3c */ - } __attribute__((packed)); - - #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ -diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h -index 0e011eb..82681b1 100644 ---- a/include/uapi/linux/swab.h -+++ b/include/uapi/linux/swab.h -@@ -43,7 +43,7 @@ - * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32 - */ - --static inline __attribute_const__ __u16 __fswab16(__u16 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u16 __fswab16(__u16 val) - { - #ifdef __HAVE_BUILTIN_BSWAP16__ - return __builtin_bswap16(val); -@@ -54,7 +54,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) - #endif - } - --static inline __attribute_const__ __u32 __fswab32(__u32 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u32 __fswab32(__u32 val) - { - #ifdef __HAVE_BUILTIN_BSWAP32__ - return __builtin_bswap32(val); -@@ -65,7 +65,7 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val) - #endif - } - --static inline __attribute_const__ __u64 __fswab64(__u64 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u64 __fswab64(__u64 val) - { - #ifdef __HAVE_BUILTIN_BSWAP64__ - return __builtin_bswap64(val); -diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h -index 1590c49..5eab462 100644 ---- a/include/uapi/linux/xattr.h -+++ b/include/uapi/linux/xattr.h -@@ -73,5 +73,9 @@ - #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default" - #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT - -+/* User namespace */ -+#define XATTR_PAX_PREFIX XATTR_USER_PREFIX "pax." -+#define XATTR_PAX_FLAGS_SUFFIX "flags" -+#define XATTR_NAME_PAX_FLAGS XATTR_PAX_PREFIX XATTR_PAX_FLAGS_SUFFIX - - #endif /* _UAPI_LINUX_XATTR_H */ -diff --git a/include/video/udlfb.h b/include/video/udlfb.h -index f9466fa..f4e2b81 100644 ---- a/include/video/udlfb.h -+++ b/include/video/udlfb.h -@@ -53,10 +53,10 @@ struct dlfb_data { - u32 pseudo_palette[256]; - int blank_mode; /*one of FB_BLANK_ */ - /* blit-only rendering path metrics, exposed through sysfs */ -- atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -- atomic_t bytes_identical; /* saved effort with backbuffer comparison */ -- atomic_t bytes_sent; /* to usb, after compression including overhead */ -- atomic_t cpu_kcycles_used; /* transpired during pixel processing */ -+ atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -+ atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */ -+ atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */ -+ atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */ - }; - - #define NR_USB_REQUEST_I2C_SUB_IO 0x02 -diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h -index 30f5362..8ed8ac9 100644 ---- a/include/video/uvesafb.h -+++ b/include/video/uvesafb.h -@@ -122,6 +122,7 @@ struct uvesafb_par { - u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ - u8 pmi_setpal; /* PMI for palette changes */ - u16 *pmi_base; /* protected mode interface location */ -+ u8 *pmi_code; /* protected mode code location */ - void *pmi_start; - void *pmi_pal; - u8 *vbe_state_orig; /* -diff --git a/init/Kconfig b/init/Kconfig -index dc24dec..b77638f 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1145,6 +1145,7 @@ endif # CGROUPS - - config CHECKPOINT_RESTORE - bool "Checkpoint/restore support" if EXPERT -+ depends on !GRKERNSEC - default n - help - Enables additional kernel features in a sake of checkpoint/restore. -@@ -1670,7 +1671,7 @@ config SLUB_DEBUG - - config COMPAT_BRK - bool "Disable heap randomization" -- default y -+ default n - help - Randomizing heap placement makes heap exploits harder, but it - also breaks ancient binaries (including anything libc5 based). -@@ -2001,7 +2002,7 @@ config INIT_ALL_POSSIBLE - config STOP_MACHINE - bool - default y -- depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU -+ depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU || GRKERNSEC - help - Need stop_machine() primitive. - -diff --git a/init/Makefile b/init/Makefile -index 7bc47ee..6da2dc7 100644 ---- a/init/Makefile -+++ b/init/Makefile -@@ -2,6 +2,9 @@ - # Makefile for the linux kernel. - # - -+ccflags-y := $(GCC_PLUGINS_CFLAGS) -+asflags-y := $(GCC_PLUGINS_AFLAGS) -+ - obj-y := main.o version.o mounts.o - ifneq ($(CONFIG_BLK_DEV_INITRD),y) - obj-y += noinitramfs.o -diff --git a/init/do_mounts.c b/init/do_mounts.c -index a95bbdb..82c48fd 100644 ---- a/init/do_mounts.c -+++ b/init/do_mounts.c -@@ -363,11 +363,11 @@ static void __init get_fs_names(char *page) - static int __init do_mount_root(char *name, char *fs, int flags, void *data) - { - struct super_block *s; -- int err = sys_mount(name, "/root", fs, flags, data); -+ int err = sys_mount((char __force_user *)name, (char __force_user *)"/root", (char __force_user *)fs, flags, (void __force_user *)data); - if (err) - return err; - -- sys_chdir("/root"); -+ sys_chdir((const char __force_user *)"/root"); - s = current->fs->pwd.dentry->d_sb; - ROOT_DEV = s->s_dev; - printk(KERN_INFO -@@ -490,18 +490,18 @@ void __init change_floppy(char *fmt, ...) - va_start(args, fmt); - vsprintf(buf, fmt, args); - va_end(args); -- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0); -+ fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0); - if (fd >= 0) { - sys_ioctl(fd, FDEJECT, 0); - sys_close(fd); - } - printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf); -- fd = sys_open("/dev/console", O_RDWR, 0); -+ fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0); - if (fd >= 0) { - sys_ioctl(fd, TCGETS, (long)&termios); - termios.c_lflag &= ~ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); -- sys_read(fd, &c, 1); -+ sys_read(fd, (char __user *)&c, 1); - termios.c_lflag |= ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); - sys_close(fd); -@@ -595,8 +595,8 @@ void __init prepare_namespace(void) - mount_root(); - out: - devtmpfs_mount("dev"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -- sys_chroot("."); -+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL); -+ sys_chroot((const char __force_user *)"."); - } - - static bool is_tmpfs; -diff --git a/init/do_mounts.h b/init/do_mounts.h -index f5b978a..69dbfe8 100644 ---- a/init/do_mounts.h -+++ b/init/do_mounts.h -@@ -15,15 +15,15 @@ extern int root_mountflags; - - static inline int create_dev(char *name, dev_t dev) - { -- sys_unlink(name); -- return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); -+ sys_unlink((char __force_user *)name); -+ return sys_mknod((char __force_user *)name, S_IFBLK|0600, new_encode_dev(dev)); - } - - #if BITS_PER_LONG == 32 - static inline u32 bstat(char *name) - { - struct stat64 stat; -- if (sys_stat64(name, &stat) != 0) -+ if (sys_stat64((char __force_user *)name, (struct stat64 __force_user *)&stat) != 0) - return 0; - if (!S_ISBLK(stat.st_mode)) - return 0; -@@ -35,7 +35,7 @@ static inline u32 bstat(char *name) - static inline u32 bstat(char *name) - { - struct stat stat; -- if (sys_newstat(name, &stat) != 0) -+ if (sys_newstat((const char __force_user *)name, (struct stat __force_user *)&stat) != 0) - return 0; - if (!S_ISBLK(stat.st_mode)) - return 0; -diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c -index 3e0878e..8a9d7a0 100644 ---- a/init/do_mounts_initrd.c -+++ b/init/do_mounts_initrd.c -@@ -37,13 +37,13 @@ static int init_linuxrc(struct subprocess_info *info, struct cred *new) - { - sys_unshare(CLONE_FS | CLONE_FILES); - /* stdin/stdout/stderr for /linuxrc */ -- sys_open("/dev/console", O_RDWR, 0); -+ sys_open((const char __force_user *)"/dev/console", O_RDWR, 0); - sys_dup(0); - sys_dup(0); - /* move initrd over / and chdir/chroot in initrd root */ -- sys_chdir("/root"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -- sys_chroot("."); -+ sys_chdir((const char __force_user *)"/root"); -+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL); -+ sys_chroot((const char __force_user *)"."); - sys_setsid(); - return 0; - } -@@ -59,8 +59,8 @@ static void __init handle_initrd(void) - create_dev("/dev/root.old", Root_RAM0); - /* mount initrd on rootfs' /root */ - mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY); -- sys_mkdir("/old", 0700); -- sys_chdir("/old"); -+ sys_mkdir((const char __force_user *)"/old", 0700); -+ sys_chdir((const char __force_user *)"/old"); - - /* try loading default modules from initrd */ - load_default_modules(); -@@ -80,31 +80,31 @@ static void __init handle_initrd(void) - current->flags &= ~PF_FREEZER_SKIP; - - /* move initrd to rootfs' /old */ -- sys_mount("..", ".", NULL, MS_MOVE, NULL); -+ sys_mount((char __force_user *)"..", (char __force_user *)".", NULL, MS_MOVE, NULL); - /* switch root and cwd back to / of rootfs */ -- sys_chroot(".."); -+ sys_chroot((const char __force_user *)".."); - - if (new_decode_dev(real_root_dev) == Root_RAM0) { -- sys_chdir("/old"); -+ sys_chdir((const char __force_user *)"/old"); - return; - } - -- sys_chdir("/"); -+ sys_chdir((const char __force_user *)"/"); - ROOT_DEV = new_decode_dev(real_root_dev); - mount_root(); - - printk(KERN_NOTICE "Trying to move old root to /initrd ... "); -- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL); -+ error = sys_mount((char __force_user *)"/old", (char __force_user *)"/root/initrd", NULL, MS_MOVE, NULL); - if (!error) - printk("okay\n"); - else { -- int fd = sys_open("/dev/root.old", O_RDWR, 0); -+ int fd = sys_open((const char __force_user *)"/dev/root.old", O_RDWR, 0); - if (error == -ENOENT) - printk("/initrd does not exist. Ignored.\n"); - else - printk("failed\n"); - printk(KERN_NOTICE "Unmounting old root\n"); -- sys_umount("/old", MNT_DETACH); -+ sys_umount((char __force_user *)"/old", MNT_DETACH); - printk(KERN_NOTICE "Trying to free ramdisk memory ... "); - if (fd < 0) { - error = fd; -@@ -127,11 +127,11 @@ int __init initrd_load(void) - * mounted in the normal path. - */ - if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) { -- sys_unlink("/initrd.image"); -+ sys_unlink((const char __force_user *)"/initrd.image"); - handle_initrd(); - return 1; - } - } -- sys_unlink("/initrd.image"); -+ sys_unlink((const char __force_user *)"/initrd.image"); - return 0; - } -diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c -index 8cb6db5..d729f50 100644 ---- a/init/do_mounts_md.c -+++ b/init/do_mounts_md.c -@@ -180,7 +180,7 @@ static void __init md_setup_drive(void) - partitioned ? "_d" : "", minor, - md_setup_args[ent].device_names); - -- fd = sys_open(name, 0, 0); -+ fd = sys_open((char __force_user *)name, 0, 0); - if (fd < 0) { - printk(KERN_ERR "md: open failed - cannot start " - "array %s\n", name); -@@ -243,7 +243,7 @@ static void __init md_setup_drive(void) - * array without it - */ - sys_close(fd); -- fd = sys_open(name, 0, 0); -+ fd = sys_open((char __force_user *)name, 0, 0); - sys_ioctl(fd, BLKRRPART, 0); - } - sys_close(fd); -@@ -293,7 +293,7 @@ static void __init autodetect_raid(void) - - wait_for_device_probe(); - -- fd = sys_open("/dev/md0", 0, 0); -+ fd = sys_open((const char __force_user *) "/dev/md0", 0, 0); - if (fd >= 0) { - sys_ioctl(fd, RAID_AUTORUN, raid_autopart); - sys_close(fd); -diff --git a/init/init_task.c b/init/init_task.c -index ba0a7f36..2bcf1d5 100644 ---- a/init/init_task.c -+++ b/init/init_task.c -@@ -22,5 +22,9 @@ EXPORT_SYMBOL(init_task); - * Initial thread structure. Alignment of this is handled by a special - * linker map entry. - */ -+#ifdef CONFIG_X86 -+union thread_union init_thread_union __init_task_data; -+#else - union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; -+#endif -diff --git a/init/initramfs.c b/init/initramfs.c -index ad1bd77..dca2c1b 100644 ---- a/init/initramfs.c -+++ b/init/initramfs.c -@@ -25,7 +25,7 @@ static ssize_t __init xwrite(int fd, const char *p, size_t count) - - /* sys_write only can write MAX_RW_COUNT aka 2G-4K bytes at most */ - while (count) { -- ssize_t rv = sys_write(fd, p, count); -+ ssize_t rv = sys_write(fd, (char __force_user *)p, count); - - if (rv < 0) { - if (rv == -EINTR || rv == -EAGAIN) -@@ -107,7 +107,7 @@ static void __init free_hash(void) - } - } - --static long __init do_utime(char *filename, time_t mtime) -+static long __init do_utime(char __force_user *filename, time_t mtime) - { - struct timespec t[2]; - -@@ -142,7 +142,7 @@ static void __init dir_utime(void) - struct dir_entry *de, *tmp; - list_for_each_entry_safe(de, tmp, &dir_list, list) { - list_del(&de->list); -- do_utime(de->name, de->mtime); -+ do_utime((char __force_user *)de->name, de->mtime); - kfree(de->name); - kfree(de); - } -@@ -304,7 +304,7 @@ static int __init maybe_link(void) - if (nlink >= 2) { - char *old = find_link(major, minor, ino, mode, collected); - if (old) -- return (sys_link(old, collected) < 0) ? -1 : 1; -+ return (sys_link((char __force_user *)old, (char __force_user *)collected) < 0) ? -1 : 1; - } - return 0; - } -@@ -313,11 +313,11 @@ static void __init clean_path(char *path, umode_t fmode) - { - struct stat st; - -- if (!sys_newlstat(path, &st) && (st.st_mode ^ fmode) & S_IFMT) { -+ if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode ^ fmode) & S_IFMT) { - if (S_ISDIR(st.st_mode)) -- sys_rmdir(path); -+ sys_rmdir((char __force_user *)path); - else -- sys_unlink(path); -+ sys_unlink((char __force_user *)path); - } - } - -@@ -338,7 +338,7 @@ static int __init do_name(void) - int openflags = O_WRONLY|O_CREAT; - if (ml != 1) - openflags |= O_TRUNC; -- wfd = sys_open(collected, openflags, mode); -+ wfd = sys_open((char __force_user *)collected, openflags, mode); - - if (wfd >= 0) { - sys_fchown(wfd, uid, gid); -@@ -350,17 +350,17 @@ static int __init do_name(void) - } - } - } else if (S_ISDIR(mode)) { -- sys_mkdir(collected, mode); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -+ sys_mkdir((char __force_user *)collected, mode); -+ sys_chown((char __force_user *)collected, uid, gid); -+ sys_chmod((char __force_user *)collected, mode); - dir_add(collected, mtime); - } else if (S_ISBLK(mode) || S_ISCHR(mode) || - S_ISFIFO(mode) || S_ISSOCK(mode)) { - if (maybe_link() == 0) { -- sys_mknod(collected, mode, rdev); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -- do_utime(collected, mtime); -+ sys_mknod((char __force_user *)collected, mode, rdev); -+ sys_chown((char __force_user *)collected, uid, gid); -+ sys_chmod((char __force_user *)collected, mode); -+ do_utime((char __force_user *)collected, mtime); - } - } - return 0; -@@ -372,7 +372,7 @@ static int __init do_copy(void) - if (xwrite(wfd, victim, body_len) != body_len) - error("write error"); - sys_close(wfd); -- do_utime(vcollected, mtime); -+ do_utime((char __force_user *)vcollected, mtime); - kfree(vcollected); - eat(body_len); - state = SkipIt; -@@ -390,9 +390,9 @@ static int __init do_symlink(void) - { - collected[N_ALIGN(name_len) + body_len] = '\0'; - clean_path(collected, 0); -- sys_symlink(collected + N_ALIGN(name_len), collected); -- sys_lchown(collected, uid, gid); -- do_utime(collected, mtime); -+ sys_symlink((char __force_user *)collected + N_ALIGN(name_len), (char __force_user *)collected); -+ sys_lchown((char __force_user *)collected, uid, gid); -+ do_utime((char __force_user *)collected, mtime); - state = SkipIt; - next_state = Reset; - return 0; -diff --git a/init/main.c b/init/main.c -index 2a89545..58711ee 100644 ---- a/init/main.c -+++ b/init/main.c -@@ -97,6 +97,8 @@ extern void radix_tree_init(void); - static inline void mark_rodata_ro(void) { } - #endif - -+extern void grsecurity_init(void); -+ - /* - * Debug helper: via this flag we know that we are in 'early bootup code' - * where only the boot processor is running with IRQ disabled. This means -@@ -158,6 +160,37 @@ static int __init set_reset_devices(char *str) - - __setup("reset_devices", set_reset_devices); - -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+kgid_t grsec_proc_gid = KGIDT_INIT(CONFIG_GRKERNSEC_PROC_GID); -+static int __init setup_grsec_proc_gid(char *str) -+{ -+ grsec_proc_gid = KGIDT_INIT(simple_strtol(str, NULL, 0)); -+ return 1; -+} -+__setup("grsec_proc_gid=", setup_grsec_proc_gid); -+#endif -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+int grsec_enable_sysfs_restrict = 1; -+static int __init setup_grsec_sysfs_restrict(char *str) -+{ -+ if (!simple_strtol(str, NULL, 0)) -+ grsec_enable_sysfs_restrict = 0; -+ return 1; -+} -+__setup("grsec_sysfs_restrict", setup_grsec_sysfs_restrict); -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+int pax_softmode; -+ -+static int __init setup_pax_softmode(char *str) -+{ -+ get_option(&str, &pax_softmode); -+ return 1; -+} -+__setup("pax_softmode=", setup_pax_softmode); -+#endif -+ - static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; - const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; - static const char *panic_later, *panic_param; -@@ -726,7 +759,7 @@ static bool __init_or_module initcall_blacklisted(initcall_t fn) - struct blacklist_entry *entry; - char *fn_name; - -- fn_name = kasprintf(GFP_KERNEL, "%pf", fn); -+ fn_name = kasprintf(GFP_KERNEL, "%pX", fn); - if (!fn_name) - return false; - -@@ -778,7 +811,7 @@ int __init_or_module do_one_initcall(initcall_t fn) - { - int count = preempt_count(); - int ret; -- char msgbuf[64]; -+ const char *msg1 = "", *msg2 = ""; - - if (initcall_blacklisted(fn)) - return -EPERM; -@@ -788,18 +821,17 @@ int __init_or_module do_one_initcall(initcall_t fn) - else - ret = fn(); - -- msgbuf[0] = 0; -- - if (preempt_count() != count) { -- sprintf(msgbuf, "preemption imbalance "); -+ msg1 = " preemption imbalance"; - preempt_count_set(count); - } - if (irqs_disabled()) { -- strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); -+ msg2 = " disabled interrupts"; - local_irq_enable(); - } -- WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf); -+ WARN(*msg1 || *msg2, "initcall %pF returned with%s%s\n", fn, msg1, msg2); - -+ add_latent_entropy(); - return ret; - } - -@@ -905,8 +937,8 @@ static int run_init_process(const char *init_filename) - { - argv_init[0] = init_filename; - return do_execve(getname_kernel(init_filename), -- (const char __user *const __user *)argv_init, -- (const char __user *const __user *)envp_init); -+ (const char __user *const __force_user *)argv_init, -+ (const char __user *const __force_user *)envp_init); - } - - static int try_to_run_init_process(const char *init_filename) -@@ -923,6 +955,10 @@ static int try_to_run_init_process(const char *init_filename) - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+extern int gr_init_ran; -+#endif -+ - static noinline void __init kernel_init_freeable(void); - - static int __ref kernel_init(void *unused) -@@ -947,6 +983,11 @@ static int __ref kernel_init(void *unused) - ramdisk_execute_command, ret); - } - -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ /* if no initrd was used, be extra sure we enforce chroot restrictions */ -+ gr_init_ran = 1; -+#endif -+ - /* - * We try each of these until one succeeds. - * -@@ -1002,7 +1043,7 @@ static noinline void __init kernel_init_freeable(void) - do_basic_setup(); - - /* Open the /dev/console on the rootfs, this should never fail */ -- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) -+ if (sys_open((const char __force_user *) "/dev/console", O_RDWR, 0) < 0) - pr_err("Warning: unable to open an initial console.\n"); - - (void) sys_dup(0); -@@ -1015,11 +1056,13 @@ static noinline void __init kernel_init_freeable(void) - if (!ramdisk_execute_command) - ramdisk_execute_command = "/init"; - -- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) { -+ if (sys_access((const char __force_user *) ramdisk_execute_command, 0) != 0) { - ramdisk_execute_command = NULL; - prepare_namespace(); - } - -+ grsecurity_init(); -+ - /* - * Ok, we have completed the initial bootup, and - * we're essentially up and running. Get rid of the -diff --git a/ipc/compat.c b/ipc/compat.c -index 9b3c85f..5266b0f 100644 ---- a/ipc/compat.c -+++ b/ipc/compat.c -@@ -396,7 +396,7 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second, - COMPAT_SHMLBA); - if (err < 0) - return err; -- return put_user(raddr, (compat_ulong_t *)compat_ptr(third)); -+ return put_user(raddr, (compat_ulong_t __user *)compat_ptr(third)); - } - case SHMDT: - return sys_shmdt(compat_ptr(ptr)); -@@ -747,7 +747,7 @@ COMPAT_SYSCALL_DEFINE3(shmctl, int, first, int, second, void __user *, uptr) - } - - COMPAT_SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsems, -- unsigned, nsops, -+ compat_long_t, nsops, - const struct compat_timespec __user *, timeout) - { - struct timespec __user *ts64; -diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c -index 8ad93c2..efd80f8 100644 ---- a/ipc/ipc_sysctl.c -+++ b/ipc/ipc_sysctl.c -@@ -30,7 +30,7 @@ static void *get_ipc(struct ctl_table *table) - static int proc_ipc_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); -@@ -41,7 +41,7 @@ static int proc_ipc_dointvec(struct ctl_table *table, int write, - static int proc_ipc_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); -@@ -65,7 +65,7 @@ static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write, - static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); - -@@ -76,7 +76,7 @@ static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write, - static int proc_ipc_auto_msgmni(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - int dummy = 0; - - memcpy(&ipc_table, table, sizeof(ipc_table)); -diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c -index 68d4e95..1477ded 100644 ---- a/ipc/mq_sysctl.c -+++ b/ipc/mq_sysctl.c -@@ -25,7 +25,7 @@ static void *get_mq(struct ctl_table *table) - static int proc_mq_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table mq_table; -+ ctl_table_no_const mq_table; - memcpy(&mq_table, table, sizeof(mq_table)); - mq_table.data = get_mq(table); - -@@ -35,7 +35,7 @@ static int proc_mq_dointvec(struct ctl_table *table, int write, - static int proc_mq_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table mq_table; -+ ctl_table_no_const mq_table; - memcpy(&mq_table, table, sizeof(mq_table)); - mq_table.data = get_mq(table); - -diff --git a/ipc/mqueue.c b/ipc/mqueue.c -index c3fc5c2..1f32fe2 100644 ---- a/ipc/mqueue.c -+++ b/ipc/mqueue.c -@@ -275,6 +275,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, - mq_bytes = mq_treesize + (info->attr.mq_maxmsg * - info->attr.mq_msgsize); - -+ gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1); - spin_lock(&mq_lock); - if (u->mq_bytes + mq_bytes < u->mq_bytes || - u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) { -diff --git a/ipc/sem.c b/ipc/sem.c -index c50aa57..07e9531 100644 ---- a/ipc/sem.c -+++ b/ipc/sem.c -@@ -1790,7 +1790,7 @@ static int get_queue_result(struct sem_queue *q) - } - - SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, -- unsigned, nsops, const struct timespec __user *, timeout) -+ long, nsops, const struct timespec __user *, timeout) - { - int error = -EINVAL; - struct sem_array *sma; -@@ -2025,7 +2025,7 @@ out_free: - } - - SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops, -- unsigned, nsops) -+ long, nsops) - { - return sys_semtimedop(semid, tsops, nsops, NULL); - } -diff --git a/ipc/shm.c b/ipc/shm.c -index 6d76707..b646bbe 100644 ---- a/ipc/shm.c -+++ b/ipc/shm.c -@@ -72,6 +72,14 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp); - static int sysvipc_shm_proc_show(struct seq_file *s, void *it); - #endif - -+#ifdef CONFIG_GRKERNSEC -+extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, -+ const int shmid); -+extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime); -+#endif -+ - void shm_init_ns(struct ipc_namespace *ns) - { - ns->shm_ctlmax = SHMMAX; -@@ -560,6 +568,9 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) - shp->shm_lprid = 0; - shp->shm_atim = shp->shm_dtim = 0; - shp->shm_ctim = get_seconds(); -+#ifdef CONFIG_GRKERNSEC -+ shp->shm_createtime = ktime_get_ns(); -+#endif - shp->shm_segsz = size; - shp->shm_nattch = 0; - shp->shm_file = file; -@@ -1096,6 +1107,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - f_mode = FMODE_READ | FMODE_WRITE; - } - if (shmflg & SHM_EXEC) { -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ goto out; -+#endif -+ - prot |= PROT_EXEC; - acc_mode |= S_IXUGO; - } -@@ -1120,6 +1137,15 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - if (err) - goto out_unlock; - -+#ifdef CONFIG_GRKERNSEC -+ if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime, -+ shp->shm_perm.cuid, shmid) || -+ !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) { -+ err = -EACCES; -+ goto out_unlock; -+ } -+#endif -+ - ipc_lock_object(&shp->shm_perm); - - /* check if shm_destroy() is tearing down shp */ -@@ -1132,6 +1158,9 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - path = shp->shm_file->f_path; - path_get(&path); - shp->shm_nattch++; -+#ifdef CONFIG_GRKERNSEC -+ shp->shm_lapid = current->pid; -+#endif - size = i_size_read(d_inode(path.dentry)); - ipc_unlock_object(&shp->shm_perm); - rcu_read_unlock(); -diff --git a/ipc/util.c b/ipc/util.c -index ff3323e..d6d63d1 100644 ---- a/ipc/util.c -+++ b/ipc/util.c -@@ -71,6 +71,8 @@ struct ipc_proc_iface { - int (*show)(struct seq_file *, void *); - }; - -+extern int gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode); -+ - /** - * ipc_init - initialise ipc subsystem - * -@@ -497,6 +499,10 @@ int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag) - granted_mode >>= 6; - else if (in_group_p(ipcp->cgid) || in_group_p(ipcp->gid)) - granted_mode >>= 3; -+ -+ if (!gr_ipc_permitted(ns, ipcp, requested_mode, granted_mode)) -+ return -1; -+ - /* is there some bit set in requested_mode but not in granted_mode? */ - if ((requested_mode & ~granted_mode & 0007) && - !ns_capable(ns->user_ns, CAP_IPC_OWNER)) -diff --git a/kernel/audit.c b/kernel/audit.c -index 1c13e42..6c171ab 100644 ---- a/kernel/audit.c -+++ b/kernel/audit.c -@@ -124,7 +124,7 @@ u32 audit_sig_sid = 0; - 3) suppressed due to audit_rate_limit - 4) suppressed due to audit_backlog_limit - */ --static atomic_t audit_lost = ATOMIC_INIT(0); -+static atomic_unchecked_t audit_lost = ATOMIC_INIT(0); - - /* The netlink socket. */ - static struct sock *audit_sock; -@@ -258,7 +258,7 @@ void audit_log_lost(const char *message) - unsigned long now; - int print; - -- atomic_inc(&audit_lost); -+ atomic_inc_unchecked(&audit_lost); - - print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit); - -@@ -275,7 +275,7 @@ void audit_log_lost(const char *message) - if (print) { - if (printk_ratelimit()) - pr_warn("audit_lost=%u audit_rate_limit=%u audit_backlog_limit=%u\n", -- atomic_read(&audit_lost), -+ atomic_read_unchecked(&audit_lost), - audit_rate_limit, - audit_backlog_limit); - audit_panic(message); -@@ -833,7 +833,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - s.pid = audit_pid; - s.rate_limit = audit_rate_limit; - s.backlog_limit = audit_backlog_limit; -- s.lost = atomic_read(&audit_lost); -+ s.lost = atomic_read_unchecked(&audit_lost); - s.backlog = skb_queue_len(&audit_skb_queue); - s.feature_bitmap = AUDIT_FEATURE_BITMAP_ALL; - s.backlog_wait_time = audit_backlog_wait_time_master; -diff --git a/kernel/auditsc.c b/kernel/auditsc.c -index 9fb9d1c..afb1610 100644 ---- a/kernel/auditsc.c -+++ b/kernel/auditsc.c -@@ -1023,7 +1023,7 @@ static int audit_log_single_execve_arg(struct audit_context *context, - * for strings that are too long, we should not have created - * any. - */ -- if (unlikely((len == -1) || len > MAX_ARG_STRLEN - 1)) { -+ if (unlikely(len > MAX_ARG_STRLEN - 1)) { - WARN_ON(1); - send_sig(SIGKILL, current, 0); - return -1; -@@ -1955,7 +1955,7 @@ int auditsc_get_stamp(struct audit_context *ctx, - } - - /* global counter which is incremented every time something logs in */ --static atomic_t session_id = ATOMIC_INIT(0); -+static atomic_unchecked_t session_id = ATOMIC_INIT(0); - - static int audit_set_loginuid_perm(kuid_t loginuid) - { -@@ -2022,7 +2022,7 @@ int audit_set_loginuid(kuid_t loginuid) - - /* are we setting or clearing? */ - if (uid_valid(loginuid)) -- sessionid = (unsigned int)atomic_inc_return(&session_id); -+ sessionid = (unsigned int)atomic_inc_return_unchecked(&session_id); - - task->sessionid = sessionid; - task->loginuid = loginuid; -diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c -index 54f0e7f..fed997b 100644 ---- a/kernel/bpf/core.c -+++ b/kernel/bpf/core.c -@@ -143,14 +143,17 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, - * random section of illegal instructions. - */ - size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE); -- hdr = module_alloc(size); -+ hdr = module_alloc_exec(size); - if (hdr == NULL) - return NULL; - - /* Fill space with illegal/arch-dep instructions. */ - bpf_fill_ill_insns(hdr, size); - -+ pax_open_kernel(); - hdr->pages = size / PAGE_SIZE; -+ pax_close_kernel(); -+ - hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)), - PAGE_SIZE - sizeof(*hdr)); - start = (prandom_u32() % hole) & ~(alignment - 1); -@@ -163,7 +166,7 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, - - void bpf_jit_binary_free(struct bpf_binary_header *hdr) - { -- module_memfree(hdr); -+ module_memfree_exec(hdr); - } - #endif /* CONFIG_BPF_JIT */ - -diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c -index 3bae6c5..59ea175 100644 ---- a/kernel/bpf/syscall.c -+++ b/kernel/bpf/syscall.c -@@ -554,11 +554,15 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz - int err; - - /* the syscall is limited to root temporarily. This restriction will be -- * lifted when security audit is clean. Note that eBPF+tracing must have -- * this restriction, since it may pass kernel data to user space -+ * lifted by upstream when a half-assed security audit is clean. Note -+ * that eBPF+tracing must have this restriction, since it may pass -+ * kernel data to user space - */ - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC -+ return -EPERM; -+#endif - - if (!access_ok(VERIFY_READ, uattr, 1)) - return -EFAULT; -diff --git a/kernel/capability.c b/kernel/capability.c -index 45432b5..988f1e4 100644 ---- a/kernel/capability.c -+++ b/kernel/capability.c -@@ -193,6 +193,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr) - * before modification is attempted and the application - * fails. - */ -+ if (tocopy > ARRAY_SIZE(kdata)) -+ return -EFAULT; -+ - if (copy_to_user(dataptr, kdata, tocopy - * sizeof(struct __user_cap_data_struct))) { - return -EFAULT; -@@ -298,10 +301,11 @@ bool has_ns_capability(struct task_struct *t, - int ret; - - rcu_read_lock(); -- ret = security_capable(__task_cred(t), ns, cap); -+ ret = security_capable(__task_cred(t), ns, cap) == 0 && -+ gr_task_is_capable(t, __task_cred(t), cap); - rcu_read_unlock(); - -- return (ret == 0); -+ return ret; - } - - /** -@@ -338,10 +342,10 @@ bool has_ns_capability_noaudit(struct task_struct *t, - int ret; - - rcu_read_lock(); -- ret = security_capable_noaudit(__task_cred(t), ns, cap); -+ ret = security_capable_noaudit(__task_cred(t), ns, cap) == 0 && gr_task_is_capable_nolog(t, cap); - rcu_read_unlock(); - -- return (ret == 0); -+ return ret; - } - - /** -@@ -379,7 +383,7 @@ bool ns_capable(struct user_namespace *ns, int cap) - BUG(); - } - -- if (security_capable(current_cred(), ns, cap) == 0) { -+ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable(cap)) { - current->flags |= PF_SUPERPRIV; - return true; - } -@@ -387,6 +391,20 @@ bool ns_capable(struct user_namespace *ns, int cap) - } - EXPORT_SYMBOL(ns_capable); - -+bool ns_capable_nolog(struct user_namespace *ns, int cap) -+{ -+ if (unlikely(!cap_valid(cap))) { -+ pr_crit("capable_nolog() called with invalid cap=%u\n", cap); -+ BUG(); -+ } -+ -+ if (security_capable_noaudit(current_cred(), ns, cap) == 0 && gr_is_capable_nolog(cap)) { -+ current->flags |= PF_SUPERPRIV; -+ return true; -+ } -+ return false; -+} -+EXPORT_SYMBOL(ns_capable_nolog); - - /** - * capable - Determine if the current task has a superior capability in effect -@@ -403,6 +421,13 @@ bool capable(int cap) - return ns_capable(&init_user_ns, cap); - } - EXPORT_SYMBOL(capable); -+ -+bool capable_nolog(int cap) -+{ -+ return ns_capable_nolog(&init_user_ns, cap); -+} -+EXPORT_SYMBOL(capable_nolog); -+ - #endif /* CONFIG_MULTIUSER */ - - /** -@@ -447,3 +472,12 @@ bool capable_wrt_inode_uidgid(const struct inode *inode, int cap) - kgid_has_mapping(ns, inode->i_gid); - } - EXPORT_SYMBOL(capable_wrt_inode_uidgid); -+ -+bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap) -+{ -+ struct user_namespace *ns = current_user_ns(); -+ -+ return ns_capable_nolog(ns, cap) && kuid_has_mapping(ns, inode->i_uid) && -+ kgid_has_mapping(ns, inode->i_gid); -+} -+EXPORT_SYMBOL(capable_wrt_inode_uidgid_nolog); -diff --git a/kernel/cgroup.c b/kernel/cgroup.c -index e8a5491..ab4bfa3 100644 ---- a/kernel/cgroup.c -+++ b/kernel/cgroup.c -@@ -5347,6 +5347,9 @@ static void cgroup_release_agent(struct work_struct *work) - if (!pathbuf || !agentbuf) - goto out; - -+ if (agentbuf[0] == '\0') -+ goto out; -+ - path = cgroup_path(cgrp, pathbuf, PATH_MAX); - if (!path) - goto out; -@@ -5532,7 +5535,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v) - struct task_struct *task; - int count = 0; - -- seq_printf(seq, "css_set %p\n", cset); -+ seq_printf(seq, "css_set %pK\n", cset); - - list_for_each_entry(task, &cset->tasks, cg_list) { - if (count++ > MAX_TASKS_SHOWN_PER_CSS) -diff --git a/kernel/compat.c b/kernel/compat.c -index 333d364..762ec00 100644 ---- a/kernel/compat.c -+++ b/kernel/compat.c -@@ -13,6 +13,7 @@ - - #include <linux/linkage.h> - #include <linux/compat.h> -+#include <linux/module.h> - #include <linux/errno.h> - #include <linux/time.h> - #include <linux/signal.h> -@@ -220,7 +221,7 @@ static long compat_nanosleep_restart(struct restart_block *restart) - mm_segment_t oldfs; - long ret; - -- restart->nanosleep.rmtp = (struct timespec __user *) &rmt; -+ restart->nanosleep.rmtp = (struct timespec __force_user *) &rmt; - oldfs = get_fs(); - set_fs(KERNEL_DS); - ret = hrtimer_nanosleep_restart(restart); -@@ -252,7 +253,7 @@ COMPAT_SYSCALL_DEFINE2(nanosleep, struct compat_timespec __user *, rqtp, - oldfs = get_fs(); - set_fs(KERNEL_DS); - ret = hrtimer_nanosleep(&tu, -- rmtp ? (struct timespec __user *)&rmt : NULL, -+ rmtp ? (struct timespec __force_user *)&rmt : NULL, - HRTIMER_MODE_REL, CLOCK_MONOTONIC); - set_fs(oldfs); - -@@ -378,7 +379,7 @@ COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set) - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_sigpending((old_sigset_t __user *) &s); -+ ret = sys_sigpending((old_sigset_t __force_user *) &s); - set_fs(old_fs); - if (ret == 0) - ret = put_user(s, set); -@@ -468,7 +469,7 @@ COMPAT_SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource, - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_old_getrlimit(resource, (struct rlimit __user *)&r); -+ ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r); - set_fs(old_fs); - - if (!ret) { -@@ -550,8 +551,8 @@ COMPAT_SYSCALL_DEFINE4(wait4, - set_fs (KERNEL_DS); - ret = sys_wait4(pid, - (stat_addr ? -- (unsigned int __user *) &status : NULL), -- options, (struct rusage __user *) &r); -+ (unsigned int __force_user *) &status : NULL), -+ options, (struct rusage __force_user *) &r); - set_fs (old_fs); - - if (ret > 0) { -@@ -577,8 +578,8 @@ COMPAT_SYSCALL_DEFINE5(waitid, - memset(&info, 0, sizeof(info)); - - set_fs(KERNEL_DS); -- ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options, -- uru ? (struct rusage __user *)&ru : NULL); -+ ret = sys_waitid(which, pid, (siginfo_t __force_user *)&info, options, -+ uru ? (struct rusage __force_user *)&ru : NULL); - set_fs(old_fs); - - if ((ret < 0) || (info.si_signo == 0)) -@@ -712,8 +713,8 @@ COMPAT_SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_settime(timer_id, flags, -- (struct itimerspec __user *) &newts, -- (struct itimerspec __user *) &oldts); -+ (struct itimerspec __force_user *) &newts, -+ (struct itimerspec __force_user *) &oldts); - set_fs(oldfs); - if (!err && old && put_compat_itimerspec(old, &oldts)) - return -EFAULT; -@@ -730,7 +731,7 @@ COMPAT_SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_gettime(timer_id, -- (struct itimerspec __user *) &ts); -+ (struct itimerspec __force_user *) &ts); - set_fs(oldfs); - if (!err && put_compat_itimerspec(setting, &ts)) - return -EFAULT; -@@ -749,7 +750,7 @@ COMPAT_SYSCALL_DEFINE2(clock_settime, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_settime(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - return err; - } -@@ -764,7 +765,7 @@ COMPAT_SYSCALL_DEFINE2(clock_gettime, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_gettime(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - if (!err && compat_put_timespec(&ts, tp)) - return -EFAULT; -@@ -784,7 +785,7 @@ COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock, - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc); -+ ret = sys_clock_adjtime(which_clock, (struct timex __force_user *) &txc); - set_fs(oldfs); - - err = compat_put_timex(utp, &txc); -@@ -804,7 +805,7 @@ COMPAT_SYSCALL_DEFINE2(clock_getres, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_getres(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - if (!err && tp && compat_put_timespec(&ts, tp)) - return -EFAULT; -@@ -818,7 +819,7 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart) - struct timespec tu; - struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp; - -- restart->nanosleep.rmtp = (struct timespec __user *) &tu; -+ restart->nanosleep.rmtp = (struct timespec __force_user *) &tu; - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = clock_nanosleep_restart(restart); -@@ -850,8 +851,8 @@ COMPAT_SYSCALL_DEFINE4(clock_nanosleep, clockid_t, which_clock, int, flags, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_nanosleep(which_clock, flags, -- (struct timespec __user *) &in, -- (struct timespec __user *) &out); -+ (struct timespec __force_user *) &in, -+ (struct timespec __force_user *) &out); - set_fs(oldfs); - - if ((err == -ERESTART_RESTARTBLOCK) && rmtp && -@@ -1147,7 +1148,7 @@ COMPAT_SYSCALL_DEFINE2(sched_rr_get_interval, - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t); -+ ret = sys_sched_rr_get_interval(pid, (struct timespec __force_user *)&t); - set_fs(old_fs); - if (compat_put_timespec(&t, interval)) - return -EFAULT; -diff --git a/kernel/configs.c b/kernel/configs.c -index c18b1f1..b9a0132 100644 ---- a/kernel/configs.c -+++ b/kernel/configs.c -@@ -74,8 +74,19 @@ static int __init ikconfig_init(void) - struct proc_dir_entry *entry; - - /* create the current config file */ -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL, -+ &ikconfig_file_ops); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL, -+ &ikconfig_file_ops); -+#endif -+#else - entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL, - &ikconfig_file_ops); -+#endif -+ - if (!entry) - return -ENOMEM; - -diff --git a/kernel/cred.c b/kernel/cred.c -index ec1c076..7da8a0e 100644 ---- a/kernel/cred.c -+++ b/kernel/cred.c -@@ -167,6 +167,15 @@ void exit_creds(struct task_struct *tsk) - validate_creds(cred); - alter_cred_subscribers(cred, -1); - put_cred(cred); -+ -+#ifdef CONFIG_GRKERNSEC_SETXID -+ cred = (struct cred *) tsk->delayed_cred; -+ if (cred != NULL) { -+ tsk->delayed_cred = NULL; -+ validate_creds(cred); -+ put_cred(cred); -+ } -+#endif - } - - /** -@@ -414,7 +423,7 @@ static bool cred_cap_issubset(const struct cred *set, const struct cred *subset) - * Always returns 0 thus allowing this function to be tail-called at the end - * of, say, sys_setgid(). - */ --int commit_creds(struct cred *new) -+static int __commit_creds(struct cred *new) - { - struct task_struct *task = current; - const struct cred *old = task->real_cred; -@@ -433,6 +442,8 @@ int commit_creds(struct cred *new) - - get_cred(new); /* we will require a ref for the subj creds too */ - -+ gr_set_role_label(task, new->uid, new->gid); -+ - /* dumpability changes */ - if (!uid_eq(old->euid, new->euid) || - !gid_eq(old->egid, new->egid) || -@@ -482,6 +493,105 @@ int commit_creds(struct cred *new) - put_cred(old); - return 0; - } -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern int set_user(struct cred *new); -+ -+void gr_delayed_cred_worker(void) -+{ -+ const struct cred *new = current->delayed_cred; -+ struct cred *ncred; -+ -+ current->delayed_cred = NULL; -+ -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) && new != NULL) { -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ return; -+ } else if (new == NULL) -+ return; -+ -+ ncred = prepare_creds(); -+ if (!ncred) -+ goto die; -+ // uids -+ ncred->uid = new->uid; -+ ncred->euid = new->euid; -+ ncred->suid = new->suid; -+ ncred->fsuid = new->fsuid; -+ // gids -+ ncred->gid = new->gid; -+ ncred->egid = new->egid; -+ ncred->sgid = new->sgid; -+ ncred->fsgid = new->fsgid; -+ // groups -+ set_groups(ncred, new->group_info); -+ // caps -+ ncred->securebits = new->securebits; -+ ncred->cap_inheritable = new->cap_inheritable; -+ ncred->cap_permitted = new->cap_permitted; -+ ncred->cap_effective = new->cap_effective; -+ ncred->cap_bset = new->cap_bset; -+ -+ if (set_user(ncred)) { -+ abort_creds(ncred); -+ goto die; -+ } -+ -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ -+ __commit_creds(ncred); -+ return; -+die: -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ do_group_exit(SIGKILL); -+} -+#endif -+ -+int commit_creds(struct cred *new) -+{ -+#ifdef CONFIG_GRKERNSEC_SETXID -+ int ret; -+ int schedule_it = 0; -+ struct task_struct *t; -+ unsigned oldsecurebits = current_cred()->securebits; -+ -+ /* we won't get called with tasklist_lock held for writing -+ and interrupts disabled as the cred struct in that case is -+ init_cred -+ */ -+ if (grsec_enable_setxid && !current_is_single_threaded() && -+ uid_eq(current_uid(), GLOBAL_ROOT_UID) && -+ !uid_eq(new->uid, GLOBAL_ROOT_UID)) { -+ schedule_it = 1; -+ } -+ ret = __commit_creds(new); -+ if (schedule_it) { -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ for (t = next_thread(current); t != current; -+ t = next_thread(t)) { -+ /* we'll check if the thread has uid 0 in -+ * the delayed worker routine -+ */ -+ if (task_securebits(t) == oldsecurebits && -+ t->delayed_cred == NULL) { -+ t->delayed_cred = get_cred(new); -+ set_tsk_thread_flag(t, TIF_GRSEC_SETXID); -+ set_tsk_need_resched(t); -+ } -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ } -+ -+ return ret; -+#else -+ return __commit_creds(new); -+#endif -+} -+ - EXPORT_SYMBOL(commit_creds); - - /** -diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c -index 0874e2e..5b32cc9 100644 ---- a/kernel/debug/debug_core.c -+++ b/kernel/debug/debug_core.c -@@ -127,7 +127,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_lock); - */ - static atomic_t masters_in_kgdb; - static atomic_t slaves_in_kgdb; --static atomic_t kgdb_break_tasklet_var; -+static atomic_unchecked_t kgdb_break_tasklet_var; - atomic_t kgdb_setting_breakpoint; - - struct task_struct *kgdb_usethread; -@@ -137,7 +137,7 @@ int kgdb_single_step; - static pid_t kgdb_sstep_pid; - - /* to keep track of the CPU which is doing the single stepping*/ --atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); -+atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); - - /* - * If you are debugging a problem where roundup (the collection of -@@ -552,7 +552,7 @@ return_normal: - * kernel will only try for the value of sstep_tries before - * giving up and continuing on. - */ -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1 && -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 && - (kgdb_info[cpu].task && - kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) { - atomic_set(&kgdb_active, -1); -@@ -654,8 +654,8 @@ cpu_master_loop: - } - - kgdb_restore: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -- int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step); -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { -+ int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step); - if (kgdb_info[sstep_cpu].task) - kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid; - else -@@ -949,18 +949,18 @@ static void kgdb_unregister_callbacks(void) - static void kgdb_tasklet_bpt(unsigned long ing) - { - kgdb_breakpoint(); -- atomic_set(&kgdb_break_tasklet_var, 0); -+ atomic_set_unchecked(&kgdb_break_tasklet_var, 0); - } - - static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0); - - void kgdb_schedule_breakpoint(void) - { -- if (atomic_read(&kgdb_break_tasklet_var) || -+ if (atomic_read_unchecked(&kgdb_break_tasklet_var) || - atomic_read(&kgdb_active) != -1 || - atomic_read(&kgdb_setting_breakpoint)) - return; -- atomic_inc(&kgdb_break_tasklet_var); -+ atomic_inc_unchecked(&kgdb_break_tasklet_var); - tasklet_schedule(&kgdb_tasklet_breakpoint); - } - EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint); -diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c -index 41213454..861e178 100644 ---- a/kernel/debug/kdb/kdb_main.c -+++ b/kernel/debug/kdb/kdb_main.c -@@ -2021,7 +2021,7 @@ static int kdb_lsmod(int argc, const char **argv) - continue; - - kdb_printf("%-20s%8u 0x%p ", mod->name, -- mod->core_size, (void *)mod); -+ mod->core_size_rx + mod->core_size_rw, (void *)mod); - #ifdef CONFIG_MODULE_UNLOAD - kdb_printf("%4d ", module_refcount(mod)); - #endif -@@ -2031,7 +2031,7 @@ static int kdb_lsmod(int argc, const char **argv) - kdb_printf(" (Loading)"); - else - kdb_printf(" (Live)"); -- kdb_printf(" 0x%p", mod->module_core); -+ kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw); - - #ifdef CONFIG_MODULE_UNLOAD - { -diff --git a/kernel/events/core.c b/kernel/events/core.c -index 9481749..5fbec5b 100644 ---- a/kernel/events/core.c -+++ b/kernel/events/core.c -@@ -172,8 +172,15 @@ static struct srcu_struct pmus_srcu; - * 0 - disallow raw tracepoint access for unpriv - * 1 - disallow cpu events for unpriv - * 2 - disallow kernel profiling for unpriv -+ * 3 - disallow all unpriv perf event use - */ --int sysctl_perf_event_paranoid __read_mostly = 1; -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+int sysctl_perf_event_legitimately_concerned __read_only = 3; -+#elif defined(CONFIG_GRKERNSEC_HIDESYM) -+int sysctl_perf_event_legitimately_concerned __read_only = 2; -+#else -+int sysctl_perf_event_legitimately_concerned __read_only = 1; -+#endif - - /* Minimum for 512 kiB + 1 user control page */ - int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */ -@@ -199,7 +206,7 @@ void update_perf_cpu_limits(void) - - tmp *= sysctl_perf_cpu_time_max_percent; - do_div(tmp, 100); -- ACCESS_ONCE(perf_sample_allowed_ns) = tmp; -+ ACCESS_ONCE_RW(perf_sample_allowed_ns) = tmp; - } - - static int perf_rotate_context(struct perf_cpu_context *cpuctx); -@@ -305,7 +312,7 @@ void perf_sample_event_took(u64 sample_len_ns) - } - } - --static atomic64_t perf_event_id; -+static atomic64_unchecked_t perf_event_id; - - static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx, - enum event_type_t event_type); -@@ -3771,9 +3778,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running) - mutex_lock(&event->child_mutex); - total += perf_event_read(event); - *enabled += event->total_time_enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - *running += event->total_time_running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - list_for_each_entry(child, &event->child_list, child_list) { - total += perf_event_read(child); -@@ -4303,10 +4310,10 @@ void perf_event_update_userpage(struct perf_event *event) - userpg->offset -= local64_read(&event->hw.prev_count); - - userpg->time_enabled = enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - - userpg->time_running = running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - arch_perf_update_userpage(event, userpg, now); - -@@ -4989,7 +4996,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, - - /* Data. */ - sp = perf_user_stack_pointer(regs); -- rem = __output_copy_user(handle, (void *) sp, dump_size); -+ rem = __output_copy_user(handle, (void __user *) sp, dump_size); - dyn_size = dump_size - rem; - - perf_output_skip(handle, rem); -@@ -5080,11 +5087,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, - values[n++] = perf_event_count(event); - if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { - values[n++] = enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - } - if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { - values[n++] = running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - } - if (read_format & PERF_FORMAT_ID) - values[n++] = primary_event_id(event); -@@ -7576,7 +7583,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, - event->parent = parent_event; - - event->ns = get_pid_ns(task_active_pid_ns(current)); -- event->id = atomic64_inc_return(&perf_event_id); -+ event->id = atomic64_inc_return_unchecked(&perf_event_id); - - event->state = PERF_EVENT_STATE_INACTIVE; - -@@ -7935,6 +7942,11 @@ SYSCALL_DEFINE5(perf_event_open, - if (flags & ~PERF_FLAG_ALL) - return -EINVAL; - -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+ if (perf_paranoid_any() && !capable(CAP_SYS_ADMIN)) -+ return -EACCES; -+#endif -+ - err = perf_copy_attr(attr_uptr, &attr); - if (err) - return err; -@@ -8383,10 +8395,10 @@ static void sync_child_event(struct perf_event *child_event, - /* - * Add back the child's count to the parent's count: - */ -- atomic64_add(child_val, &parent_event->child_count); -- atomic64_add(child_event->total_time_enabled, -+ atomic64_add_unchecked(child_val, &parent_event->child_count); -+ atomic64_add_unchecked(child_event->total_time_enabled, - &parent_event->child_total_time_enabled); -- atomic64_add(child_event->total_time_running, -+ atomic64_add_unchecked(child_event->total_time_running, - &parent_event->child_total_time_running); - - /* -diff --git a/kernel/events/internal.h b/kernel/events/internal.h -index 9f6ce9b..e4f2cbb 100644 ---- a/kernel/events/internal.h -+++ b/kernel/events/internal.h -@@ -114,10 +114,10 @@ static inline unsigned long perf_aux_size(struct ring_buffer *rb) - return rb->aux_nr_pages << PAGE_SHIFT; - } - --#define DEFINE_OUTPUT_COPY(func_name, memcpy_func) \ -+#define DEFINE_OUTPUT_COPY(func_name, memcpy_func, user) \ - static inline unsigned long \ - func_name(struct perf_output_handle *handle, \ -- const void *buf, unsigned long len) \ -+ const void user *buf, unsigned long len) \ - { \ - unsigned long size, written; \ - \ -@@ -150,7 +150,7 @@ memcpy_common(void *dst, const void *src, unsigned long n) - return 0; - } - --DEFINE_OUTPUT_COPY(__output_copy, memcpy_common) -+DEFINE_OUTPUT_COPY(__output_copy, memcpy_common, ) - - static inline unsigned long - memcpy_skip(void *dst, const void *src, unsigned long n) -@@ -158,7 +158,7 @@ memcpy_skip(void *dst, const void *src, unsigned long n) - return 0; - } - --DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip) -+DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip, ) - - #ifndef arch_perf_out_copy_user - #define arch_perf_out_copy_user arch_perf_out_copy_user -@@ -176,7 +176,7 @@ arch_perf_out_copy_user(void *dst, const void *src, unsigned long n) - } - #endif - --DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user) -+DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user, __user) - - /* Callchain handling */ - extern struct perf_callchain_entry * -diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c -index cb346f2..e4dc317 100644 ---- a/kernel/events/uprobes.c -+++ b/kernel/events/uprobes.c -@@ -1670,7 +1670,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsigned long vaddr) - { - struct page *page; - uprobe_opcode_t opcode; -- int result; -+ long result; - - pagefault_disable(); - result = __copy_from_user_inatomic(&opcode, (void __user*)vaddr, -diff --git a/kernel/exit.c b/kernel/exit.c -index 22fcc05..5f07dbc 100644 ---- a/kernel/exit.c -+++ b/kernel/exit.c -@@ -171,6 +171,10 @@ void release_task(struct task_struct *p) - struct task_struct *leader; - int zap_leader; - repeat: -+#ifdef CONFIG_NET -+ gr_del_task_from_ip_table(p); -+#endif -+ - /* don't need to get the RCU readlock here - the process is dead and - * can't be modifying its own credentials. But shut RCU-lockdep up */ - rcu_read_lock(); -@@ -656,6 +660,8 @@ void do_exit(long code) - int group_dead; - TASKS_RCU(int tasks_rcu_i); - -+ set_fs(USER_DS); -+ - profile_task_exit(tsk); - - WARN_ON(blk_needs_flush_plug(tsk)); -@@ -672,7 +678,6 @@ void do_exit(long code) - * mm_release()->clear_child_tid() from writing to a user-controlled - * kernel address. - */ -- set_fs(USER_DS); - - ptrace_event(PTRACE_EVENT_EXIT, code); - -@@ -730,6 +735,9 @@ void do_exit(long code) - tsk->exit_code = code; - taskstats_exit(tsk, group_dead); - -+ gr_acl_handle_psacct(tsk, code); -+ gr_acl_handle_exit(); -+ - exit_mm(tsk); - - if (group_dead) -@@ -847,7 +855,7 @@ SYSCALL_DEFINE1(exit, int, error_code) - * Take down every thread in the group. This is called by fatal signals - * as well as by sys_exit_group (below). - */ --void -+__noreturn void - do_group_exit(int exit_code) - { - struct signal_struct *sig = current->signal; -diff --git a/kernel/fork.c b/kernel/fork.c -index 03c1eaa..461be4c 100644 ---- a/kernel/fork.c -+++ b/kernel/fork.c -@@ -188,12 +188,54 @@ static void free_thread_info(struct thread_info *ti) - void thread_info_cache_init(void) - { - thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, -- THREAD_SIZE, 0, NULL); -+ THREAD_SIZE, SLAB_USERCOPY, NULL); - BUG_ON(thread_info_cache == NULL); - } - # endif - #endif - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk, -+ int node, void **lowmem_stack) -+{ -+ struct page *pages[THREAD_SIZE / PAGE_SIZE]; -+ void *ret = NULL; -+ unsigned int i; -+ -+ *lowmem_stack = alloc_thread_info_node(tsk, node); -+ if (*lowmem_stack == NULL) -+ goto out; -+ -+ for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++) -+ pages[i] = virt_to_page(*lowmem_stack + (i * PAGE_SIZE)); -+ -+ /* use VM_IOREMAP to gain THREAD_SIZE alignment */ -+ ret = vmap(pages, THREAD_SIZE / PAGE_SIZE, VM_IOREMAP, PAGE_KERNEL); -+ if (ret == NULL) { -+ free_thread_info(*lowmem_stack); -+ *lowmem_stack = NULL; -+ } -+ -+out: -+ return ret; -+} -+ -+static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti) -+{ -+ unmap_process_stacks(tsk); -+} -+#else -+static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk, -+ int node, void **lowmem_stack) -+{ -+ return alloc_thread_info_node(tsk, node); -+} -+static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti) -+{ -+ free_thread_info(ti); -+} -+#endif -+ - /* SLAB cache for signal_struct structures (tsk->signal) */ - static struct kmem_cache *signal_cachep; - -@@ -212,18 +254,22 @@ struct kmem_cache *vm_area_cachep; - /* SLAB cache for mm_struct structures (tsk->mm) */ - static struct kmem_cache *mm_cachep; - --static void account_kernel_stack(struct thread_info *ti, int account) -+static void account_kernel_stack(struct task_struct *tsk, struct thread_info *ti, int account) - { -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ struct zone *zone = page_zone(virt_to_page(tsk->lowmem_stack)); -+#else - struct zone *zone = page_zone(virt_to_page(ti)); -+#endif - - mod_zone_page_state(zone, NR_KERNEL_STACK, account); - } - - void free_task(struct task_struct *tsk) - { -- account_kernel_stack(tsk->stack, -1); -+ account_kernel_stack(tsk, tsk->stack, -1); - arch_release_thread_info(tsk->stack); -- free_thread_info(tsk->stack); -+ gr_free_thread_info(tsk, tsk->stack); - rt_mutex_debug_task_free(tsk); - ftrace_graph_exit_task(tsk); - put_seccomp_filter(tsk); -@@ -329,6 +375,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - { - struct task_struct *tsk; - struct thread_info *ti; -+ void *lowmem_stack; - int node = tsk_fork_get_node(orig); - int err; - -@@ -336,7 +383,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - if (!tsk) - return NULL; - -- ti = alloc_thread_info_node(tsk, node); -+ ti = gr_alloc_thread_info_node(tsk, node, &lowmem_stack); - if (!ti) - goto free_tsk; - -@@ -345,6 +392,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - goto free_ti; - - tsk->stack = ti; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ tsk->lowmem_stack = lowmem_stack; -+#endif - #ifdef CONFIG_SECCOMP - /* - * We must handle setting up seccomp filters once we're under -@@ -361,7 +411,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - set_task_stack_end_magic(tsk); - - #ifdef CONFIG_CC_STACKPROTECTOR -- tsk->stack_canary = get_random_int(); -+ tsk->stack_canary = pax_get_random_long(); - #endif - - /* -@@ -375,24 +425,89 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - tsk->splice_pipe = NULL; - tsk->task_frag.page = NULL; - -- account_kernel_stack(ti, 1); -+ account_kernel_stack(tsk, ti, 1); - - return tsk; - - free_ti: -- free_thread_info(ti); -+ gr_free_thread_info(tsk, ti); - free_tsk: - free_task_struct(tsk); - return NULL; - } - - #ifdef CONFIG_MMU --static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) -+static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct mm_struct *oldmm, struct vm_area_struct *mpnt) -+{ -+ struct vm_area_struct *tmp; -+ unsigned long charge; -+ struct file *file; -+ int retval; -+ -+ charge = 0; -+ if (mpnt->vm_flags & VM_ACCOUNT) { -+ unsigned long len = vma_pages(mpnt); -+ -+ if (security_vm_enough_memory_mm(oldmm, len)) /* sic */ -+ goto fail_nomem; -+ charge = len; -+ } -+ tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!tmp) -+ goto fail_nomem; -+ *tmp = *mpnt; -+ tmp->vm_mm = mm; -+ INIT_LIST_HEAD(&tmp->anon_vma_chain); -+ retval = vma_dup_policy(mpnt, tmp); -+ if (retval) -+ goto fail_nomem_policy; -+ if (anon_vma_fork(tmp, mpnt)) -+ goto fail_nomem_anon_vma_fork; -+ tmp->vm_flags &= ~VM_LOCKED; -+ tmp->vm_next = tmp->vm_prev = NULL; -+ tmp->vm_mirror = NULL; -+ file = tmp->vm_file; -+ if (file) { -+ struct inode *inode = file_inode(file); -+ struct address_space *mapping = file->f_mapping; -+ -+ get_file(file); -+ if (tmp->vm_flags & VM_DENYWRITE) -+ atomic_dec(&inode->i_writecount); -+ i_mmap_lock_write(mapping); -+ if (tmp->vm_flags & VM_SHARED) -+ atomic_inc(&mapping->i_mmap_writable); -+ flush_dcache_mmap_lock(mapping); -+ /* insert tmp into the share list, just after mpnt */ -+ vma_interval_tree_insert_after(tmp, mpnt, &mapping->i_mmap); -+ flush_dcache_mmap_unlock(mapping); -+ i_mmap_unlock_write(mapping); -+ } -+ -+ /* -+ * Clear hugetlb-related page reserves for children. This only -+ * affects MAP_PRIVATE mappings. Faults generated by the child -+ * are not guaranteed to succeed, even if read-only -+ */ -+ if (is_vm_hugetlb_page(tmp)) -+ reset_vma_resv_huge_pages(tmp); -+ -+ return tmp; -+ -+fail_nomem_anon_vma_fork: -+ mpol_put(vma_policy(tmp)); -+fail_nomem_policy: -+ kmem_cache_free(vm_area_cachep, tmp); -+fail_nomem: -+ vm_unacct_memory(charge); -+ return NULL; -+} -+ -+static __latent_entropy int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - { - struct vm_area_struct *mpnt, *tmp, *prev, **pprev; - struct rb_node **rb_link, *rb_parent; - int retval; -- unsigned long charge; - - uprobe_start_dup_mmap(); - down_write(&oldmm->mmap_sem); -@@ -423,51 +538,15 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - - prev = NULL; - for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) { -- struct file *file; -- - if (mpnt->vm_flags & VM_DONTCOPY) { - vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file, - -vma_pages(mpnt)); - continue; - } -- charge = 0; -- if (mpnt->vm_flags & VM_ACCOUNT) { -- unsigned long len = vma_pages(mpnt); -- -- if (security_vm_enough_memory_mm(oldmm, len)) /* sic */ -- goto fail_nomem; -- charge = len; -- } -- tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -- if (!tmp) -- goto fail_nomem; -- *tmp = *mpnt; -- INIT_LIST_HEAD(&tmp->anon_vma_chain); -- retval = vma_dup_policy(mpnt, tmp); -- if (retval) -- goto fail_nomem_policy; -- tmp->vm_mm = mm; -- if (anon_vma_fork(tmp, mpnt)) -- goto fail_nomem_anon_vma_fork; -- tmp->vm_flags &= ~VM_LOCKED; -- tmp->vm_next = tmp->vm_prev = NULL; -- file = tmp->vm_file; -- if (file) { -- struct inode *inode = file_inode(file); -- struct address_space *mapping = file->f_mapping; -- -- get_file(file); -- if (tmp->vm_flags & VM_DENYWRITE) -- atomic_dec(&inode->i_writecount); -- i_mmap_lock_write(mapping); -- if (tmp->vm_flags & VM_SHARED) -- atomic_inc(&mapping->i_mmap_writable); -- flush_dcache_mmap_lock(mapping); -- /* insert tmp into the share list, just after mpnt */ -- vma_interval_tree_insert_after(tmp, mpnt, -- &mapping->i_mmap); -- flush_dcache_mmap_unlock(mapping); -- i_mmap_unlock_write(mapping); -+ tmp = dup_vma(mm, oldmm, mpnt); -+ if (!tmp) { -+ retval = -ENOMEM; -+ goto out; - } - - /* -@@ -499,6 +578,31 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - if (retval) - goto out; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (oldmm->pax_flags & MF_PAX_SEGMEXEC) { -+ struct vm_area_struct *mpnt_m; -+ -+ for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) { -+ BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm); -+ -+ if (!mpnt->vm_mirror) -+ continue; -+ -+ if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) { -+ BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt); -+ mpnt->vm_mirror = mpnt_m; -+ } else { -+ BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm); -+ mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror; -+ mpnt_m->vm_mirror->vm_mirror = mpnt_m; -+ mpnt->vm_mirror->vm_mirror = mpnt; -+ } -+ } -+ BUG_ON(mpnt_m); -+ } -+#endif -+ - /* a new mm has just been created */ - arch_dup_mmap(oldmm, mm); - retval = 0; -@@ -508,14 +612,6 @@ out: - up_write(&oldmm->mmap_sem); - uprobe_end_dup_mmap(); - return retval; --fail_nomem_anon_vma_fork: -- mpol_put(vma_policy(tmp)); --fail_nomem_policy: -- kmem_cache_free(vm_area_cachep, tmp); --fail_nomem: -- retval = -ENOMEM; -- vm_unacct_memory(charge); -- goto out; - } - - static inline int mm_alloc_pgd(struct mm_struct *mm) -@@ -790,8 +886,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode) - return ERR_PTR(err); - - mm = get_task_mm(task); -- if (mm && mm != current->mm && -- !ptrace_may_access(task, mode)) { -+ if (mm && ((mm != current->mm && !ptrace_may_access(task, mode)) || -+ (mode == PTRACE_MODE_ATTACH && (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task))))) { - mmput(mm); - mm = ERR_PTR(-EACCES); - } -@@ -992,13 +1088,20 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) - spin_unlock(&fs->lock); - return -EAGAIN; - } -- fs->users++; -+ atomic_inc(&fs->users); - spin_unlock(&fs->lock); - return 0; - } - tsk->fs = copy_fs_struct(fs); - if (!tsk->fs) - return -ENOMEM; -+ /* Carry through gr_chroot_dentry and is_chrooted instead -+ of recomputing it here. Already copied when the task struct -+ is duplicated. This allows pivot_root to not be treated as -+ a chroot -+ */ -+ //gr_set_chroot_entries(tsk, &tsk->fs->root); -+ - return 0; - } - -@@ -1236,7 +1339,7 @@ init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid) - * parts of the process environment (as per the clone - * flags). The actual kick-off is left to the caller. - */ --static struct task_struct *copy_process(unsigned long clone_flags, -+static __latent_entropy struct task_struct *copy_process(unsigned long clone_flags, - unsigned long stack_start, - unsigned long stack_size, - int __user *child_tidptr, -@@ -1307,6 +1410,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, - DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); - #endif - retval = -EAGAIN; -+ -+ gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0); -+ - if (atomic_read(&p->real_cred->user->processes) >= - task_rlimit(p, RLIMIT_NPROC)) { - if (p->real_cred->user != INIT_USER && -@@ -1554,6 +1660,11 @@ static struct task_struct *copy_process(unsigned long clone_flags, - goto bad_fork_free_pid; - } - -+ /* synchronizes with gr_set_acls() -+ we need to call this past the point of no return for fork() -+ */ -+ gr_copy_label(p); -+ - if (likely(p->pid)) { - ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); - -@@ -1643,6 +1754,8 @@ bad_fork_cleanup_count: - bad_fork_free: - free_task(p); - fork_out: -+ gr_log_forkfail(retval); -+ - return ERR_PTR(retval); - } - -@@ -1704,6 +1817,7 @@ long do_fork(unsigned long clone_flags, - - p = copy_process(clone_flags, stack_start, stack_size, - child_tidptr, NULL, trace); -+ add_latent_entropy(); - /* - * Do this prior waking up the new thread - the thread pointer - * might get invalid after that point, if the thread exits quickly. -@@ -1720,6 +1834,8 @@ long do_fork(unsigned long clone_flags, - if (clone_flags & CLONE_PARENT_SETTID) - put_user(nr, parent_tidptr); - -+ gr_handle_brute_check(); -+ - if (clone_flags & CLONE_VFORK) { - p->vfork_done = &vfork; - init_completion(&vfork); -@@ -1838,7 +1954,7 @@ void __init proc_caches_init(void) - mm_cachep = kmem_cache_create("mm_struct", - sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN, - SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL); -- vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC); -+ vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC | SLAB_NO_SANITIZE); - mmap_init(); - nsproxy_cache_init(); - } -@@ -1878,7 +1994,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) - return 0; - - /* don't need lock here; in the worst case we'll do useless copy */ -- if (fs->users == 1) -+ if (atomic_read(&fs->users) == 1) - return 0; - - *new_fsp = copy_fs_struct(fs); -@@ -1990,7 +2106,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) - fs = current->fs; - spin_lock(&fs->lock); - current->fs = new_fs; -- if (--fs->users) -+ gr_set_chroot_entries(current, &current->fs->root); -+ if (atomic_dec_return(&fs->users)) - new_fs = NULL; - else - new_fs = fs; -@@ -2054,7 +2171,7 @@ int unshare_files(struct files_struct **displaced) - int sysctl_max_threads(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - int ret; - int threads = max_threads; - int min = MIN_THREADS; -diff --git a/kernel/futex.c b/kernel/futex.c -index 2579e40..c33f33e 100644 ---- a/kernel/futex.c -+++ b/kernel/futex.c -@@ -201,7 +201,7 @@ struct futex_pi_state { - atomic_t refcount; - - union futex_key key; --}; -+} __randomize_layout; - - /** - * struct futex_q - The hashed futex queue entry, one per waiting task -@@ -235,7 +235,7 @@ struct futex_q { - struct rt_mutex_waiter *rt_waiter; - union futex_key *requeue_pi_key; - u32 bitset; --}; -+} __randomize_layout; - - static const struct futex_q futex_q_init = { - /* list gets initialized in queue_me()*/ -@@ -402,6 +402,11 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, int rw) - struct page *page, *page_head; - int err, ro = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE) -+ return -EFAULT; -+#endif -+ - /* - * The futex address must be "naturally" aligned. - */ -@@ -601,7 +606,7 @@ static int cmpxchg_futex_value_locked(u32 *curval, u32 __user *uaddr, - - static int get_futex_value_locked(u32 *dest, u32 __user *from) - { -- int ret; -+ unsigned long ret; - - pagefault_disable(); - ret = __copy_from_user_inatomic(dest, from, sizeof(u32)); -@@ -3006,6 +3011,7 @@ static void __init futex_detect_cmpxchg(void) - { - #ifndef CONFIG_HAVE_FUTEX_CMPXCHG - u32 curval; -+ mm_segment_t oldfs; - - /* - * This will fail and we want it. Some arch implementations do -@@ -3017,8 +3023,11 @@ static void __init futex_detect_cmpxchg(void) - * implementation, the non-functional ones will return - * -ENOSYS. - */ -+ oldfs = get_fs(); -+ set_fs(USER_DS); - if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT) - futex_cmpxchg_enabled = 1; -+ set_fs(oldfs); - #endif - } - -diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c -index 55c8c93..9ba7ad6 100644 ---- a/kernel/futex_compat.c -+++ b/kernel/futex_compat.c -@@ -32,7 +32,7 @@ fetch_robust_entry(compat_uptr_t *uentry, struct robust_list __user **entry, - return 0; - } - --static void __user *futex_uaddr(struct robust_list __user *entry, -+static void __user __intentional_overflow(-1) *futex_uaddr(struct robust_list __user *entry, - compat_long_t futex_offset) - { - compat_uptr_t base = ptr_to_compat(entry); -diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c -index a744098..539f7b6 100644 ---- a/kernel/gcov/base.c -+++ b/kernel/gcov/base.c -@@ -117,11 +117,6 @@ void gcov_enable_events(void) - } - - #ifdef CONFIG_MODULES --static inline int within(void *addr, void *start, unsigned long size) --{ -- return ((addr >= start) && (addr < start + size)); --} -- - /* Update list and generate events when modules are unloaded. */ - static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - void *data) -@@ -136,7 +131,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - - /* Remove entries located in module from linked list. */ - while ((info = gcov_info_next(info))) { -- if (within(info, mod->module_core, mod->core_size)) { -+ if (within_module_core_rw((unsigned long)info, mod)) { - gcov_info_unlink(prev, info); - if (gcov_events_enabled) - gcov_event(GCOV_REMOVE, info); -diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c -index e68932b..2247e06 100644 ---- a/kernel/irq/manage.c -+++ b/kernel/irq/manage.c -@@ -906,7 +906,7 @@ static int irq_thread(void *data) - - action_ret = handler_fn(desc, action); - if (action_ret == IRQ_HANDLED) -- atomic_inc(&desc->threads_handled); -+ atomic_inc_unchecked(&desc->threads_handled); - - wake_threads_waitq(desc); - } -diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c -index e2514b0..de3dfe0 100644 ---- a/kernel/irq/spurious.c -+++ b/kernel/irq/spurious.c -@@ -337,7 +337,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, - * count. We just care about the count being - * different than the one we saw before. - */ -- handled = atomic_read(&desc->threads_handled); -+ handled = atomic_read_unchecked(&desc->threads_handled); - handled |= SPURIOUS_DEFERRED; - if (handled != desc->threads_handled_last) { - action_ret = IRQ_HANDLED; -diff --git a/kernel/jump_label.c b/kernel/jump_label.c -index 9019f15..9a3c42e 100644 ---- a/kernel/jump_label.c -+++ b/kernel/jump_label.c -@@ -14,6 +14,7 @@ - #include <linux/err.h> - #include <linux/static_key.h> - #include <linux/jump_label_ratelimit.h> -+#include <linux/mm.h> - - #ifdef HAVE_JUMP_LABEL - -@@ -51,7 +52,9 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop) - - size = (((unsigned long)stop - (unsigned long)start) - / sizeof(struct jump_entry)); -+ pax_open_kernel(); - sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL); -+ pax_close_kernel(); - } - - static void jump_label_update(struct static_key *key, int enable); -@@ -363,10 +366,12 @@ static void jump_label_invalidate_module_init(struct module *mod) - struct jump_entry *iter_stop = iter_start + mod->num_jump_entries; - struct jump_entry *iter; - -+ pax_open_kernel(); - for (iter = iter_start; iter < iter_stop; iter++) { - if (within_module_init(iter->code, mod)) - iter->code = 0; - } -+ pax_close_kernel(); - } - - static int -diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c -index 5c5987f..bc502b0 100644 ---- a/kernel/kallsyms.c -+++ b/kernel/kallsyms.c -@@ -11,6 +11,9 @@ - * Changed the compression method from stem compression to "table lookup" - * compression (see scripts/kallsyms.c for a more complete description) - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/module.h> - #include <linux/init.h> -@@ -54,12 +57,33 @@ extern const unsigned long kallsyms_markers[] __weak; - - static inline int is_kernel_inittext(unsigned long addr) - { -+ if (system_state != SYSTEM_BOOTING) -+ return 0; -+ - if (addr >= (unsigned long)_sinittext - && addr <= (unsigned long)_einittext) - return 1; - return 0; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#ifdef CONFIG_MODULES -+static inline int is_module_text(unsigned long addr) -+{ -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END) -+ return 1; -+ -+ addr = ktla_ktva(addr); -+ return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END; -+} -+#else -+static inline int is_module_text(unsigned long addr) -+{ -+ return 0; -+} -+#endif -+#endif -+ - static inline int is_kernel_text(unsigned long addr) - { - if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) || -@@ -70,13 +94,28 @@ static inline int is_kernel_text(unsigned long addr) - - static inline int is_kernel(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_kernel_text(addr) || is_kernel_inittext(addr)) -+ return 1; -+ -+ if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end) -+#else - if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end) -+#endif -+ - return 1; - return in_gate_area_no_mm(addr); - } - - static int is_ksym_addr(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_module_text(addr)) -+ return 0; -+#endif -+ - if (all_var) - return is_kernel(addr); - -@@ -481,7 +520,6 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter) - - static void reset_iter(struct kallsym_iter *iter, loff_t new_pos) - { -- iter->name[0] = '\0'; - iter->nameoff = get_symbol_offset(new_pos); - iter->pos = new_pos; - } -@@ -529,6 +567,11 @@ static int s_show(struct seq_file *m, void *p) - { - struct kallsym_iter *iter = m->private; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)) -+ return 0; -+#endif -+ - /* Some debugging symbols have no name. Ignore them. */ - if (!iter->name[0]) - return 0; -@@ -542,6 +585,7 @@ static int s_show(struct seq_file *m, void *p) - */ - type = iter->exported ? toupper(iter->type) : - tolower(iter->type); -+ - seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value, - type, iter->name, iter->module_name); - } else -diff --git a/kernel/kcmp.c b/kernel/kcmp.c -index 0aa69ea..a7fcafb 100644 ---- a/kernel/kcmp.c -+++ b/kernel/kcmp.c -@@ -100,6 +100,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type, - struct task_struct *task1, *task2; - int ret; - -+#ifdef CONFIG_GRKERNSEC -+ return -ENOSYS; -+#endif -+ - rcu_read_lock(); - - /* -diff --git a/kernel/kexec.c b/kernel/kexec.c -index 7a36fdc..de8c4ed 100644 ---- a/kernel/kexec.c -+++ b/kernel/kexec.c -@@ -1232,7 +1232,7 @@ static int kimage_load_segment(struct kimage *image, - */ - struct kimage *kexec_image; - struct kimage *kexec_crash_image; --int kexec_load_disabled; -+int kexec_load_disabled __read_only; - - static DEFINE_MUTEX(kexec_mutex); - -@@ -1348,7 +1348,8 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry, - compat_ulong_t, flags) - { - struct compat_kexec_segment in; -- struct kexec_segment out, __user *ksegments; -+ struct kexec_segment out; -+ struct kexec_segment __user *ksegments; - unsigned long i, result; - - /* Don't allow clients that don't understand the native -diff --git a/kernel/kmod.c b/kernel/kmod.c -index 2777f40..a689506 100644 ---- a/kernel/kmod.c -+++ b/kernel/kmod.c -@@ -68,7 +68,7 @@ static void free_modprobe_argv(struct subprocess_info *info) - kfree(info->argv); - } - --static int call_modprobe(char *module_name, int wait) -+static int call_modprobe(char *module_name, char *module_param, int wait) - { - struct subprocess_info *info; - static char *envp[] = { -@@ -78,7 +78,7 @@ static int call_modprobe(char *module_name, int wait) - NULL - }; - -- char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL); -+ char **argv = kmalloc(sizeof(char *[6]), GFP_KERNEL); - if (!argv) - goto out; - -@@ -90,7 +90,8 @@ static int call_modprobe(char *module_name, int wait) - argv[1] = "-q"; - argv[2] = "--"; - argv[3] = module_name; /* check free_modprobe_argv() */ -- argv[4] = NULL; -+ argv[4] = module_param; -+ argv[5] = NULL; - - info = call_usermodehelper_setup(modprobe_path, argv, envp, GFP_KERNEL, - NULL, free_modprobe_argv, NULL); -@@ -122,9 +123,8 @@ out: - * If module auto-loading support is disabled then this function - * becomes a no-operation. - */ --int __request_module(bool wait, const char *fmt, ...) -+static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap) - { -- va_list args; - char module_name[MODULE_NAME_LEN]; - unsigned int max_modprobes; - int ret; -@@ -143,9 +143,7 @@ int __request_module(bool wait, const char *fmt, ...) - if (!modprobe_path[0]) - return 0; - -- va_start(args, fmt); -- ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args); -- va_end(args); -+ ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap); - if (ret >= MODULE_NAME_LEN) - return -ENAMETOOLONG; - -@@ -153,6 +151,20 @@ int __request_module(bool wait, const char *fmt, ...) - if (ret) - return ret; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (uid_eq(current_uid(), GLOBAL_ROOT_UID)) { -+ /* hack to workaround consolekit/udisks stupidity */ -+ read_lock(&tasklist_lock); -+ if (!strcmp(current->comm, "mount") && -+ current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) { -+ read_unlock(&tasklist_lock); -+ printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name); -+ return -EPERM; -+ } -+ read_unlock(&tasklist_lock); -+ } -+#endif -+ - /* If modprobe needs a service that is in a module, we get a recursive - * loop. Limit the number of running kmod threads to max_threads/2 or - * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method -@@ -181,16 +193,61 @@ int __request_module(bool wait, const char *fmt, ...) - - trace_module_request(module_name, wait, _RET_IP_); - -- ret = call_modprobe(module_name, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC); -+ ret = call_modprobe(module_name, module_param, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC); - - atomic_dec(&kmod_concurrent); - return ret; - } -+ -+int ___request_module(bool wait, char *module_param, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ -+int __request_module(bool wait, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)) { -+ char module_param[MODULE_NAME_LEN]; -+ -+ memset(module_param, 0, sizeof(module_param)); -+ -+ snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", GR_GLOBAL_UID(current_uid())); -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+ } -+#endif -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, NULL, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ - EXPORT_SYMBOL(__request_module); - #endif /* CONFIG_MODULES */ - - static void call_usermodehelper_freeinfo(struct subprocess_info *info) - { -+#ifdef CONFIG_GRKERNSEC -+ kfree(info->path); -+ info->path = info->origpath; -+#endif - if (info->cleanup) - (*info->cleanup)(info); - kfree(info); -@@ -232,6 +289,21 @@ static int ____call_usermodehelper(void *data) - */ - set_user_nice(current, 0); - -+#ifdef CONFIG_GRKERNSEC -+ /* this is race-free as far as userland is concerned as we copied -+ out the path to be used prior to this point and are now operating -+ on that copy -+ */ -+ if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/usr/lib/", 9) && -+ strncmp(sub_info->path, "/lib/", 5) && strncmp(sub_info->path, "/lib64/", 7) && -+ strncmp(sub_info->path, "/usr/libexec/", 13) && strncmp(sub_info->path, "/usr/bin/", 9) && -+ strcmp(sub_info->path, "/usr/share/apport/apport")) || strstr(sub_info->path, "..")) { -+ printk(KERN_ALERT "grsec: denied exec of usermode helper binary %.950s located outside of permitted system paths\n", sub_info->path); -+ retval = -EPERM; -+ goto out; -+ } -+#endif -+ - retval = -ENOMEM; - new = prepare_kernel_cred(current); - if (!new) -@@ -254,8 +326,8 @@ static int ____call_usermodehelper(void *data) - commit_creds(new); - - retval = do_execve(getname_kernel(sub_info->path), -- (const char __user *const __user *)sub_info->argv, -- (const char __user *const __user *)sub_info->envp); -+ (const char __user *const __force_user *)sub_info->argv, -+ (const char __user *const __force_user *)sub_info->envp); - out: - sub_info->retval = retval; - /* wait_for_helper() will call umh_complete if UHM_WAIT_PROC. */ -@@ -288,7 +360,7 @@ static int wait_for_helper(void *data) - * - * Thus the __user pointer cast is valid here. - */ -- sys_wait4(pid, (int __user *)&ret, 0, NULL); -+ sys_wait4(pid, (int __force_user *)&ret, 0, NULL); - - /* - * If ret is 0, either ____call_usermodehelper failed and the -@@ -510,7 +582,12 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv, - goto out; - - INIT_WORK(&sub_info->work, __call_usermodehelper); -+#ifdef CONFIG_GRKERNSEC -+ sub_info->origpath = path; -+ sub_info->path = kstrdup(path, gfp_mask); -+#else - sub_info->path = path; -+#endif - sub_info->argv = argv; - sub_info->envp = envp; - -@@ -612,7 +689,7 @@ EXPORT_SYMBOL(call_usermodehelper); - static int proc_cap_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - unsigned long cap_array[_KERNEL_CAPABILITY_U32S]; - kernel_cap_t new_cap; - int err, i; -diff --git a/kernel/kprobes.c b/kernel/kprobes.c -index c90e417..e6c515d 100644 ---- a/kernel/kprobes.c -+++ b/kernel/kprobes.c -@@ -31,6 +31,9 @@ - * <jkenisto(a)us.ibm.com> and Prasanna S Panchamukhi - * <prasanna(a)in.ibm.com> added function-return probes. - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kprobes.h> - #include <linux/hash.h> - #include <linux/init.h> -@@ -122,12 +125,12 @@ enum kprobe_slot_state { - - static void *alloc_insn_page(void) - { -- return module_alloc(PAGE_SIZE); -+ return module_alloc_exec(PAGE_SIZE); - } - - static void free_insn_page(void *page) - { -- module_memfree(page); -+ module_memfree_exec(page); - } - - struct kprobe_insn_cache kprobe_insn_slots = { -@@ -2198,11 +2201,11 @@ static void report_probe(struct seq_file *pi, struct kprobe *p, - kprobe_type = "k"; - - if (sym) -- seq_printf(pi, "%p %s %s+0x%x %s ", -+ seq_printf(pi, "%pK %s %s+0x%x %s ", - p->addr, kprobe_type, sym, offset, - (modname ? modname : " ")); - else -- seq_printf(pi, "%p %s %p ", -+ seq_printf(pi, "%pK %s %pK ", - p->addr, kprobe_type, p->addr); - - if (!pp) -diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c -index 6683cce..daf8999 100644 ---- a/kernel/ksysfs.c -+++ b/kernel/ksysfs.c -@@ -50,6 +50,8 @@ static ssize_t uevent_helper_store(struct kobject *kobj, - { - if (count+1 > UEVENT_HELPER_PATH_LEN) - return -ENOENT; -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; - memcpy(uevent_helper, buf, count); - uevent_helper[count] = '\0'; - if (count && uevent_helper[count-1] == '\n') -@@ -176,7 +178,7 @@ static ssize_t notes_read(struct file *filp, struct kobject *kobj, - return count; - } - --static struct bin_attribute notes_attr = { -+static bin_attribute_no_const notes_attr __read_only = { - .attr = { - .name = "notes", - .mode = S_IRUGO, -diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c -index aaeae88..10f3663 100644 ---- a/kernel/locking/lockdep.c -+++ b/kernel/locking/lockdep.c -@@ -613,6 +613,10 @@ static int static_obj(void *obj) - end = (unsigned long) &_end, - addr = (unsigned long) obj; - -+#ifdef CONFIG_PAX_KERNEXEC -+ start = ktla_ktva(start); -+#endif -+ - /* - * static variable? - */ -@@ -757,6 +761,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) - if (!static_obj(lock->key)) { - debug_locks_off(); - printk("INFO: trying to register non-static key.\n"); -+ printk("lock:%pS key:%pS.\n", lock, lock->key); - printk("the code is fine but needs lockdep annotation.\n"); - printk("turning off the locking correctness validator.\n"); - dump_stack(); -@@ -3102,7 +3107,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, - if (!class) - return 0; - } -- atomic_inc((atomic_t *)&class->ops); -+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)&class->ops); - if (very_verbose(class)) { - printk("\nacquire class [%p] %s", class->key, class->name); - if (class->name_version > 1) -diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c -index d83d798..ea3120d 100644 ---- a/kernel/locking/lockdep_proc.c -+++ b/kernel/locking/lockdep_proc.c -@@ -65,7 +65,7 @@ static int l_show(struct seq_file *m, void *v) - return 0; - } - -- seq_printf(m, "%p", class->key); -+ seq_printf(m, "%pK", class->key); - #ifdef CONFIG_DEBUG_LOCKDEP - seq_printf(m, " OPS:%8ld", class->ops); - #endif -@@ -83,7 +83,7 @@ static int l_show(struct seq_file *m, void *v) - - list_for_each_entry(entry, &class->locks_after, entry) { - if (entry->distance == 1) { -- seq_printf(m, " -> [%p] ", entry->class->key); -+ seq_printf(m, " -> [%pK] ", entry->class->key); - print_name(m, entry->class); - seq_puts(m, "\n"); - } -@@ -152,7 +152,7 @@ static int lc_show(struct seq_file *m, void *v) - if (!class->key) - continue; - -- seq_printf(m, "[%p] ", class->key); -+ seq_printf(m, "[%pK] ", class->key); - print_name(m, class); - seq_puts(m, "\n"); - } -@@ -508,7 +508,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) - if (!i) - seq_line(m, '-', 40-namelen, namelen); - -- snprintf(ip, sizeof(ip), "[<%p>]", -+ snprintf(ip, sizeof(ip), "[<%pK>]", - (void *)class->contention_point[i]); - seq_printf(m, "%40s %14lu %29s %pS\n", - name, stats->contention_point[i], -@@ -523,7 +523,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) - if (!i) - seq_line(m, '-', 40-namelen, namelen); - -- snprintf(ip, sizeof(ip), "[<%p>]", -+ snprintf(ip, sizeof(ip), "[<%pK>]", - (void *)class->contending_point[i]); - seq_printf(m, "%40s %14lu %29s %pS\n", - name, stats->contending_point[i], -diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c -index 3ef3736..9c951fa 100644 ---- a/kernel/locking/mutex-debug.c -+++ b/kernel/locking/mutex-debug.c -@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter) - } - - void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock)); - - /* Mark the current thread as blocked on the lock: */ -- ti->task->blocked_on = waiter; -+ task->blocked_on = waiter; - } - - void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list)); -- DEBUG_LOCKS_WARN_ON(waiter->task != ti->task); -- DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter); -- ti->task->blocked_on = NULL; -+ DEBUG_LOCKS_WARN_ON(waiter->task != task); -+ DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter); -+ task->blocked_on = NULL; - - list_del_init(&waiter->list); - waiter->task = NULL; -diff --git a/kernel/locking/mutex-debug.h b/kernel/locking/mutex-debug.h -index 0799fd3..d06ae3b 100644 ---- a/kernel/locking/mutex-debug.h -+++ b/kernel/locking/mutex-debug.h -@@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock, - extern void debug_mutex_free_waiter(struct mutex_waiter *waiter); - extern void debug_mutex_add_waiter(struct mutex *lock, - struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void debug_mutex_unlock(struct mutex *lock); - extern void debug_mutex_init(struct mutex *lock, const char *name, - struct lock_class_key *key); -diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c -index 4cccea6..4382db9 100644 ---- a/kernel/locking/mutex.c -+++ b/kernel/locking/mutex.c -@@ -533,7 +533,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, - goto skip_wait; - - debug_mutex_lock_common(lock, &waiter); -- debug_mutex_add_waiter(lock, &waiter, task_thread_info(task)); -+ debug_mutex_add_waiter(lock, &waiter, task); - - /* add waiting tasks to the end of the waitqueue (FIFO): */ - list_add_tail(&waiter.list, &lock->wait_list); -@@ -580,7 +580,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, - } - __set_task_state(task, TASK_RUNNING); - -- mutex_remove_waiter(lock, &waiter, current_thread_info()); -+ mutex_remove_waiter(lock, &waiter, task); - /* set it to 0 if there are no waiters left: */ - if (likely(list_empty(&lock->wait_list))) - atomic_set(&lock->count, 0); -@@ -601,7 +601,7 @@ skip_wait: - return 0; - - err: -- mutex_remove_waiter(lock, &waiter, task_thread_info(task)); -+ mutex_remove_waiter(lock, &waiter, task); - spin_unlock_mutex(&lock->wait_lock, flags); - debug_mutex_free_waiter(&waiter); - mutex_release(&lock->dep_map, 1, ip); -diff --git a/kernel/locking/rtmutex-tester.c b/kernel/locking/rtmutex-tester.c -index 1d96dd0..994ff19 100644 ---- a/kernel/locking/rtmutex-tester.c -+++ b/kernel/locking/rtmutex-tester.c -@@ -22,7 +22,7 @@ - #define MAX_RT_TEST_MUTEXES 8 - - static spinlock_t rttest_lock; --static atomic_t rttest_event; -+static atomic_unchecked_t rttest_event; - - struct test_thread_data { - int opcode; -@@ -63,7 +63,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - - case RTTEST_LOCKCONT: - td->mutexes[td->opdata] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return 0; - - case RTTEST_RESET: -@@ -76,7 +76,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return 0; - - case RTTEST_RESETEVENT: -- atomic_set(&rttest_event, 0); -+ atomic_set_unchecked(&rttest_event, 0); - return 0; - - default: -@@ -93,9 +93,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_lock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 4; - return 0; - -@@ -106,9 +106,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - ret = rt_mutex_lock_interruptible(&mutexes[id], 0); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = ret ? 0 : 4; - return ret ? -EINTR : 0; - -@@ -117,9 +117,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4) - return ret; - -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_unlock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 0; - return 0; - -@@ -166,7 +166,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - break; - - td->mutexes[dat] = 2; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - default: -@@ -186,7 +186,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - return; - - td->mutexes[dat] = 3; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - case RTTEST_LOCKNOWAIT: -@@ -198,7 +198,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - return; - - td->mutexes[dat] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return; - - default: -diff --git a/kernel/module.c b/kernel/module.c -index cfc9e84..a058697 100644 ---- a/kernel/module.c -+++ b/kernel/module.c -@@ -59,6 +59,7 @@ - #include <linux/jump_label.h> - #include <linux/pfn.h> - #include <linux/bsearch.h> -+#include <linux/grsecurity.h> - #include <uapi/linux/module.h> - #include "module-internal.h" - -@@ -145,7 +146,7 @@ module_param(sig_enforce, bool_enable_only, 0644); - #endif /* CONFIG_MODULE_SIG */ - - /* Block module loading/unloading? */ --int modules_disabled = 0; -+int modules_disabled __read_only = 0; - core_param(nomodule, modules_disabled, bint, 0); - - /* Waiting for a module to finish initializing? */ -@@ -155,7 +156,8 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list); - - /* Bounds of module allocation, for speeding __module_address. - * Protected by module_mutex. */ --static unsigned long module_addr_min = -1UL, module_addr_max = 0; -+static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0; -+static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0; - - int register_module_notifier(struct notifier_block *nb) - { -@@ -322,7 +324,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr, - return true; - - list_for_each_entry_rcu(mod, &modules, list) { -- struct symsearch arr[] = { -+ struct symsearch modarr[] = { - { mod->syms, mod->syms + mod->num_syms, mod->crcs, - NOT_GPL_ONLY, false }, - { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, -@@ -347,7 +349,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr, - if (mod->state == MODULE_STATE_UNFORMED) - continue; - -- if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) -+ if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data)) - return true; - } - return false; -@@ -487,7 +489,7 @@ static int percpu_modalloc(struct module *mod, struct load_info *info) - if (!pcpusec->sh_size) - return 0; - -- if (align > PAGE_SIZE) { -+ if (align-1 >= PAGE_SIZE) { - pr_warn("%s: per-cpu alignment %li > %li\n", - mod->name, align, PAGE_SIZE); - align = PAGE_SIZE; -@@ -1053,7 +1055,7 @@ struct module_attribute module_uevent = - static ssize_t show_coresize(struct module_attribute *mattr, - struct module_kobject *mk, char *buffer) - { -- return sprintf(buffer, "%u\n", mk->mod->core_size); -+ return sprintf(buffer, "%u\n", mk->mod->core_size_rx + mk->mod->core_size_rw); - } - - static struct module_attribute modinfo_coresize = -@@ -1062,7 +1064,7 @@ static struct module_attribute modinfo_coresize = - static ssize_t show_initsize(struct module_attribute *mattr, - struct module_kobject *mk, char *buffer) - { -- return sprintf(buffer, "%u\n", mk->mod->init_size); -+ return sprintf(buffer, "%u\n", mk->mod->init_size_rx + mk->mod->init_size_rw); - } - - static struct module_attribute modinfo_initsize = -@@ -1154,12 +1156,29 @@ static int check_version(Elf_Shdr *sechdrs, - goto bad_version; - } - -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("no symbol version for %s\n", symname); -+#else - pr_warn("%s: no symbol version for %s\n", mod->name, symname); -+#endif - return 0; - - bad_version: -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("attempted module disagrees about version of symbol %s\n", -+ symname); -+#else - pr_warn("%s: disagrees about version of symbol %s\n", - mod->name, symname); -+#endif - return 0; - } - -@@ -1281,7 +1300,7 @@ resolve_symbol_wait(struct module *mod, - */ - #ifdef CONFIG_SYSFS - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - static inline bool sect_empty(const Elf_Shdr *sect) - { - return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0; -@@ -1419,7 +1438,7 @@ static void add_notes_attrs(struct module *mod, const struct load_info *info) - { - unsigned int notes, loaded, i; - struct module_notes_attrs *notes_attrs; -- struct bin_attribute *nattr; -+ bin_attribute_no_const *nattr; - - /* failed to create section attributes, so can't create notes */ - if (!mod->sect_attrs) -@@ -1531,7 +1550,7 @@ static void del_usage_links(struct module *mod) - static int module_add_modinfo_attrs(struct module *mod) - { - struct module_attribute *attr; -- struct module_attribute *temp_attr; -+ module_attribute_no_const *temp_attr; - int error = 0; - int i; - -@@ -1741,21 +1760,21 @@ static void set_section_ro_nx(void *base, - - static void unset_module_core_ro_nx(struct module *mod) - { -- set_page_attributes(mod->module_core + mod->core_text_size, -- mod->module_core + mod->core_size, -+ set_page_attributes(mod->module_core_rw, -+ mod->module_core_rw + mod->core_size_rw, - set_memory_x); -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_ro_size, -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_rw); - } - - static void unset_module_init_ro_nx(struct module *mod) - { -- set_page_attributes(mod->module_init + mod->init_text_size, -- mod->module_init + mod->init_size, -+ set_page_attributes(mod->module_init_rw, -+ mod->module_init_rw + mod->init_size_rw, - set_memory_x); -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_ro_size, -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_rw); - } - -@@ -1768,14 +1787,14 @@ void set_all_modules_text_rw(void) - list_for_each_entry_rcu(mod, &modules, list) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_rw); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_rw); - } - } -@@ -1791,14 +1810,14 @@ void set_all_modules_text_ro(void) - list_for_each_entry_rcu(mod, &modules, list) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_ro); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_ro); - } - } -@@ -1807,7 +1826,15 @@ void set_all_modules_text_ro(void) - #else - static inline void set_section_ro_nx(void *base, unsigned long text_size, unsigned long ro_size, unsigned long total_size) { } - static void unset_module_core_ro_nx(struct module *mod) { } --static void unset_module_init_ro_nx(struct module *mod) { } -+static void unset_module_init_ro_nx(struct module *mod) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ set_memory_nx((unsigned long)mod->module_init_rx, PFN_UP(mod->init_size_rx)); -+ set_memory_rw((unsigned long)mod->module_init_rx, PFN_UP(mod->init_size_rx)); -+#endif -+ -+} - #endif - - void __weak module_memfree(void *module_region) -@@ -1861,16 +1888,19 @@ static void free_module(struct module *mod) - /* This may be NULL, but that's OK */ - unset_module_init_ro_nx(mod); - module_arch_freeing_init(mod); -- module_memfree(mod->module_init); -+ module_memfree(mod->module_init_rw); -+ module_memfree_exec(mod->module_init_rx); - kfree(mod->args); - percpu_modfree(mod); - - /* Free lock-classes; relies on the preceding sync_rcu(). */ -- lockdep_free_key_range(mod->module_core, mod->core_size); -+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx); -+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw); - - /* Finally, free the core (containing the module structure) */ - unset_module_core_ro_nx(mod); -- module_memfree(mod->module_core); -+ module_memfree_exec(mod->module_core_rx); -+ module_memfree(mod->module_core_rw); - - #ifdef CONFIG_MPU - update_protections(current->mm); -@@ -1939,9 +1969,31 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - int ret = 0; - const struct kernel_symbol *ksym; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ int is_fs_load = 0; -+ int register_filesystem_found = 0; -+ char *p; -+ -+ p = strstr(mod->args, "grsec_modharden_fs"); -+ if (p) { -+ char *endptr = p + sizeof("grsec_modharden_fs") - 1; -+ /* copy \0 as well */ -+ memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1); -+ is_fs_load = 1; -+ } -+#endif -+ - for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) { - const char *name = info->strtab + sym[i].st_name; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ /* it's a real shame this will never get ripped and copied -+ upstream! ;( -+ */ -+ if (is_fs_load && !strcmp(name, "register_filesystem")) -+ register_filesystem_found = 1; -+#endif -+ - switch (sym[i].st_shndx) { - case SHN_COMMON: - /* Ignore common symbols */ -@@ -1966,7 +2018,9 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - ksym = resolve_symbol_wait(mod, info, name); - /* Ok if resolved. */ - if (ksym && !IS_ERR(ksym)) { -+ pax_open_kernel(); - sym[i].st_value = ksym->value; -+ pax_close_kernel(); - break; - } - -@@ -1985,11 +2039,20 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - secbase = (unsigned long)mod_percpu(mod); - else - secbase = info->sechdrs[sym[i].st_shndx].sh_addr; -+ pax_open_kernel(); - sym[i].st_value += secbase; -+ pax_close_kernel(); - break; - } - } - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (is_fs_load && !register_filesystem_found) { -+ printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name); -+ ret = -EPERM; -+ } -+#endif -+ - return ret; - } - -@@ -2073,22 +2136,12 @@ static void layout_sections(struct module *mod, struct load_info *info) - || s->sh_entsize != ~0UL - || strstarts(sname, ".init")) - continue; -- s->sh_entsize = get_offset(mod, &mod->core_size, s, i); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i); - pr_debug("\t%s\n", sname); - } -- switch (m) { -- case 0: /* executable */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_text_size = mod->core_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_ro_size = mod->core_size; -- break; -- case 3: /* whole core */ -- mod->core_size = debug_align(mod->core_size); -- break; -- } - } - - pr_debug("Init section allocation order:\n"); -@@ -2102,23 +2155,13 @@ static void layout_sections(struct module *mod, struct load_info *info) - || s->sh_entsize != ~0UL - || !strstarts(sname, ".init")) - continue; -- s->sh_entsize = (get_offset(mod, &mod->init_size, s, i) -- | INIT_OFFSET_MASK); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i); -+ s->sh_entsize |= INIT_OFFSET_MASK; - pr_debug("\t%s\n", sname); - } -- switch (m) { -- case 0: /* executable */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_text_size = mod->init_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_ro_size = mod->init_size; -- break; -- case 3: /* whole init */ -- mod->init_size = debug_align(mod->init_size); -- break; -- } - } - } - -@@ -2291,7 +2334,7 @@ static void layout_symtab(struct module *mod, struct load_info *info) - - /* Put symbol section at end of init part of module. */ - symsect->sh_flags |= SHF_ALLOC; -- symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect, -+ symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect, - info->index.sym) | INIT_OFFSET_MASK; - pr_debug("\t%s\n", info->secstrings + symsect->sh_name); - -@@ -2308,16 +2351,16 @@ static void layout_symtab(struct module *mod, struct load_info *info) - } - - /* Append room for core symbols at end of core part. */ -- info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1); -- info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym); -- mod->core_size += strtab_size; -- mod->core_size = debug_align(mod->core_size); -+ info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1); -+ info->stroffs = mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym); -+ mod->core_size_rx += strtab_size; -+ mod->core_size_rx = debug_align(mod->core_size_rx); - - /* Put string table section at end of init part of module. */ - strsect->sh_flags |= SHF_ALLOC; -- strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect, -+ strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect, - info->index.str) | INIT_OFFSET_MASK; -- mod->init_size = debug_align(mod->init_size); -+ mod->init_size_rx = debug_align(mod->init_size_rx); - pr_debug("\t%s\n", info->secstrings + strsect->sh_name); - } - -@@ -2334,12 +2377,14 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) - /* Make sure we get permanent strtab: don't use info->strtab. */ - mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr; - -+ pax_open_kernel(); -+ - /* Set types up while we still have access to sections. */ - for (i = 0; i < mod->num_symtab; i++) - mod->symtab[i].st_info = elf_type(&mod->symtab[i], info); - -- mod->core_symtab = dst = mod->module_core + info->symoffs; -- mod->core_strtab = s = mod->module_core + info->stroffs; -+ mod->core_symtab = dst = mod->module_core_rx + info->symoffs; -+ mod->core_strtab = s = mod->module_core_rx + info->stroffs; - src = mod->symtab; - for (ndst = i = 0; i < mod->num_symtab; i++) { - if (i == 0 || -@@ -2351,6 +2396,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) - } - } - mod->core_num_syms = ndst; -+ -+ pax_close_kernel(); - } - #else - static inline void layout_symtab(struct module *mod, struct load_info *info) -@@ -2384,17 +2431,33 @@ void * __weak module_alloc(unsigned long size) - return vmalloc_exec(size); - } - --static void *module_alloc_update_bounds(unsigned long size) -+static void *module_alloc_update_bounds_rw(unsigned long size) - { - void *ret = module_alloc(size); - - if (ret) { - mutex_lock(&module_mutex); - /* Update module bounds. */ -- if ((unsigned long)ret < module_addr_min) -- module_addr_min = (unsigned long)ret; -- if ((unsigned long)ret + size > module_addr_max) -- module_addr_max = (unsigned long)ret + size; -+ if ((unsigned long)ret < module_addr_min_rw) -+ module_addr_min_rw = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rw) -+ module_addr_max_rw = (unsigned long)ret + size; -+ mutex_unlock(&module_mutex); -+ } -+ return ret; -+} -+ -+static void *module_alloc_update_bounds_rx(unsigned long size) -+{ -+ void *ret = module_alloc_exec(size); -+ -+ if (ret) { -+ mutex_lock(&module_mutex); -+ /* Update module bounds. */ -+ if ((unsigned long)ret < module_addr_min_rx) -+ module_addr_min_rx = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rx) -+ module_addr_max_rx = (unsigned long)ret + size; - mutex_unlock(&module_mutex); - } - return ret; -@@ -2666,7 +2729,15 @@ static struct module *setup_load_info(struct load_info *info, int flags) - mod = (void *)info->sechdrs[info->index.mod].sh_addr; - - if (info->index.sym == 0) { -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("module has no symbols (stripped?)\n"); -+#else - pr_warn("%s: module has no symbols (stripped?)\n", mod->name); -+#endif - return ERR_PTR(-ENOEXEC); - } - -@@ -2682,8 +2753,14 @@ static struct module *setup_load_info(struct load_info *info, int flags) - static int check_modinfo(struct module *mod, struct load_info *info, int flags) - { - const char *modmagic = get_modinfo(info, "vermagic"); -+ const char *license = get_modinfo(info, "license"); - int err; - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ if (!license || !license_is_gpl_compatible(license)) -+ return -ENOEXEC; -+#endif -+ - if (flags & MODULE_INIT_IGNORE_VERMAGIC) - modmagic = NULL; - -@@ -2708,7 +2785,7 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags) - } - - /* Set up license info based on the info section */ -- set_license(mod, get_modinfo(info, "license")); -+ set_license(mod, license); - - return 0; - } -@@ -2805,7 +2882,7 @@ static int move_module(struct module *mod, struct load_info *info) - void *ptr; - - /* Do the allocs. */ -- ptr = module_alloc_update_bounds(mod->core_size); -+ ptr = module_alloc_update_bounds_rw(mod->core_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. Just mark it as not being a -@@ -2815,11 +2892,11 @@ static int move_module(struct module *mod, struct load_info *info) - if (!ptr) - return -ENOMEM; - -- memset(ptr, 0, mod->core_size); -- mod->module_core = ptr; -+ memset(ptr, 0, mod->core_size_rw); -+ mod->module_core_rw = ptr; - -- if (mod->init_size) { -- ptr = module_alloc_update_bounds(mod->init_size); -+ if (mod->init_size_rw) { -+ ptr = module_alloc_update_bounds_rw(mod->init_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. This block doesn't need to be -@@ -2828,13 +2905,45 @@ static int move_module(struct module *mod, struct load_info *info) - */ - kmemleak_ignore(ptr); - if (!ptr) { -- module_memfree(mod->module_core); -+ module_memfree(mod->module_core_rw); - return -ENOMEM; - } -- memset(ptr, 0, mod->init_size); -- mod->module_init = ptr; -+ memset(ptr, 0, mod->init_size_rw); -+ mod->module_init_rw = ptr; - } else -- mod->module_init = NULL; -+ mod->module_init_rw = NULL; -+ -+ ptr = module_alloc_update_bounds_rx(mod->core_size_rx); -+ kmemleak_not_leak(ptr); -+ if (!ptr) { -+ if (mod->module_init_rw) -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->core_size_rx); -+ pax_close_kernel(); -+ mod->module_core_rx = ptr; -+ -+ if (mod->init_size_rx) { -+ ptr = module_alloc_update_bounds_rx(mod->init_size_rx); -+ kmemleak_ignore(ptr); -+ if (!ptr && mod->init_size_rx) { -+ module_memfree_exec(mod->module_core_rx); -+ if (mod->module_init_rw) -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->init_size_rx); -+ pax_close_kernel(); -+ mod->module_init_rx = ptr; -+ } else -+ mod->module_init_rx = NULL; - - /* Transfer each section which specifies SHF_ALLOC */ - pr_debug("final section addresses:\n"); -@@ -2845,16 +2954,45 @@ static int move_module(struct module *mod, struct load_info *info) - if (!(shdr->sh_flags & SHF_ALLOC)) - continue; - -- if (shdr->sh_entsize & INIT_OFFSET_MASK) -- dest = mod->module_init -- + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -- else -- dest = mod->module_core + shdr->sh_entsize; -+ if (shdr->sh_entsize & INIT_OFFSET_MASK) { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_init_rw -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ else -+ dest = mod->module_init_rx -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ } else { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_core_rw + shdr->sh_entsize; -+ else -+ dest = mod->module_core_rx + shdr->sh_entsize; -+ } -+ -+ if (shdr->sh_type != SHT_NOBITS) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_64 -+ if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR)) -+ set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT); -+#endif -+ if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) { -+ pax_open_kernel(); -+ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ pax_close_kernel(); -+ } else -+#endif - -- if (shdr->sh_type != SHT_NOBITS) - memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ } - /* Update sh_addr to point to copy in image. */ -- shdr->sh_addr = (unsigned long)dest; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (shdr->sh_flags & SHF_EXECINSTR) -+ shdr->sh_addr = ktva_ktla((unsigned long)dest); -+ else -+#endif -+ -+ shdr->sh_addr = (unsigned long)dest; - pr_debug("\t0x%lx %s\n", - (long)shdr->sh_addr, info->secstrings + shdr->sh_name); - } -@@ -2911,12 +3049,12 @@ static void flush_module_icache(const struct module *mod) - * Do it before processing of module parameters, so the module - * can provide parameter accessor functions of its own. - */ -- if (mod->module_init) -- flush_icache_range((unsigned long)mod->module_init, -- (unsigned long)mod->module_init -- + mod->init_size); -- flush_icache_range((unsigned long)mod->module_core, -- (unsigned long)mod->module_core + mod->core_size); -+ if (mod->module_init_rx) -+ flush_icache_range((unsigned long)mod->module_init_rx, -+ (unsigned long)mod->module_init_rx -+ + mod->init_size_rx); -+ flush_icache_range((unsigned long)mod->module_core_rx, -+ (unsigned long)mod->module_core_rx + mod->core_size_rx); - - set_fs(old_fs); - } -@@ -2974,8 +3112,10 @@ static void module_deallocate(struct module *mod, struct load_info *info) - { - percpu_modfree(mod); - module_arch_freeing_init(mod); -- module_memfree(mod->module_init); -- module_memfree(mod->module_core); -+ module_memfree_exec(mod->module_init_rx); -+ module_memfree_exec(mod->module_core_rx); -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); - } - - int __weak module_finalize(const Elf_Ehdr *hdr, -@@ -2988,7 +3128,9 @@ int __weak module_finalize(const Elf_Ehdr *hdr, - static int post_relocation(struct module *mod, const struct load_info *info) - { - /* Sort exception table now relocations are done. */ -+ pax_open_kernel(); - sort_extable(mod->extable, mod->extable + mod->num_exentries); -+ pax_close_kernel(); - - /* Copy relocated percpu area over. */ - percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, -@@ -3036,13 +3178,15 @@ static void do_mod_ctors(struct module *mod) - /* For freeing module_init on success, in case kallsyms traversing */ - struct mod_initfree { - struct rcu_head rcu; -- void *module_init; -+ void *module_init_rw; -+ void *module_init_rx; - }; - - static void do_free_init(struct rcu_head *head) - { - struct mod_initfree *m = container_of(head, struct mod_initfree, rcu); -- module_memfree(m->module_init); -+ module_memfree(m->module_init_rw); -+ module_memfree_exec(m->module_init_rx); - kfree(m); - } - -@@ -3062,7 +3206,8 @@ static noinline int do_init_module(struct module *mod) - ret = -ENOMEM; - goto fail; - } -- freeinit->module_init = mod->module_init; -+ freeinit->module_init_rw = mod->module_init_rw; -+ freeinit->module_init_rx = mod->module_init_rx; - - /* - * We want to find out whether @mod uses async during init. Clear -@@ -3121,10 +3266,10 @@ static noinline int do_init_module(struct module *mod) - #endif - unset_module_init_ro_nx(mod); - module_arch_freeing_init(mod); -- mod->module_init = NULL; -- mod->init_size = 0; -- mod->init_ro_size = 0; -- mod->init_text_size = 0; -+ mod->module_init_rw = NULL; -+ mod->module_init_rx = NULL; -+ mod->init_size_rw = 0; -+ mod->init_size_rx = 0; - /* - * We want to free module_init, but be aware that kallsyms may be - * walking this with preempt disabled. In all the failure paths, -@@ -3212,16 +3357,16 @@ static int complete_formation(struct module *mod, struct load_info *info) - module_bug_finalize(info->hdr, info->sechdrs, mod); - - /* Set RO and NX regions for core */ -- set_section_ro_nx(mod->module_core, -- mod->core_text_size, -- mod->core_ro_size, -- mod->core_size); -+ set_section_ro_nx(mod->module_core_rx, -+ mod->core_size_rx, -+ mod->core_size_rx, -+ mod->core_size_rx); - - /* Set RO and NX regions for init */ -- set_section_ro_nx(mod->module_init, -- mod->init_text_size, -- mod->init_ro_size, -- mod->init_size); -+ set_section_ro_nx(mod->module_init_rx, -+ mod->init_size_rx, -+ mod->init_size_rx, -+ mod->init_size_rx); - - /* Mark state as coming so strong_try_module_get() ignores us, - * but kallsyms etc. can see us. */ -@@ -3305,9 +3450,38 @@ static int load_module(struct load_info *info, const char __user *uargs, - if (err) - goto free_unload; - -+ /* Now copy in args */ -+ mod->args = strndup_user(uargs, ~0UL >> 1); -+ if (IS_ERR(mod->args)) { -+ err = PTR_ERR(mod->args); -+ goto free_unload; -+ } -+ - /* Set up MODINFO_ATTR fields */ - setup_modinfo(mod, info); - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ { -+ char *p, *p2; -+ -+ if (strstr(mod->args, "grsec_modharden_netdev")) { -+ printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name); -+ err = -EPERM; -+ goto free_modinfo; -+ } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) { -+ p += sizeof("grsec_modharden_normal") - 1; -+ p2 = strstr(p, "_"); -+ if (p2) { -+ *p2 = '\0'; -+ printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p); -+ *p2 = '_'; -+ } -+ err = -EPERM; -+ goto free_modinfo; -+ } -+ } -+#endif -+ - /* Fix up syms, so that st_value is a pointer to location. */ - err = simplify_symbols(mod, info); - if (err < 0) -@@ -3323,13 +3497,6 @@ static int load_module(struct load_info *info, const char __user *uargs, - - flush_module_icache(mod); - -- /* Now copy in args */ -- mod->args = strndup_user(uargs, ~0UL >> 1); -- if (IS_ERR(mod->args)) { -- err = PTR_ERR(mod->args); -- goto free_arch_cleanup; -- } -- - dynamic_debug_setup(info->debug, info->num_debug); - - /* Ftrace init must be called in the MODULE_STATE_UNFORMED state */ -@@ -3380,11 +3547,10 @@ static int load_module(struct load_info *info, const char __user *uargs, - ddebug_cleanup: - dynamic_debug_remove(info->debug); - synchronize_sched(); -- kfree(mod->args); -- free_arch_cleanup: - module_arch_cleanup(mod); - free_modinfo: - free_modinfo(mod); -+ kfree(mod->args); - free_unload: - module_unload_free(mod); - unlink_mod: -@@ -3397,7 +3563,8 @@ static int load_module(struct load_info *info, const char __user *uargs, - mutex_unlock(&module_mutex); - free_module: - /* Free lock-classes; relies on the preceding sync_rcu() */ -- lockdep_free_key_range(mod->module_core, mod->core_size); -+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx); -+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw); - - module_deallocate(mod, info); - free_copy: -@@ -3474,10 +3641,16 @@ static const char *get_ksymbol(struct module *mod, - unsigned long nextval; - - /* At worse, next value is at end of module */ -- if (within_module_init(addr, mod)) -- nextval = (unsigned long)mod->module_init+mod->init_text_size; -+ if (within_module_init_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx; -+ else if (within_module_init_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw; -+ else if (within_module_core_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx; -+ else if (within_module_core_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw; - else -- nextval = (unsigned long)mod->module_core+mod->core_text_size; -+ return NULL; - - /* Scan for closest preceding symbol, and next symbol. (ELF - starts real symbols at 1). */ -@@ -3725,7 +3898,7 @@ static int m_show(struct seq_file *m, void *p) - return 0; - - seq_printf(m, "%s %u", -- mod->name, mod->init_size + mod->core_size); -+ mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw); - print_unload_info(m, mod); - - /* Informative for users. */ -@@ -3734,7 +3907,7 @@ static int m_show(struct seq_file *m, void *p) - mod->state == MODULE_STATE_COMING ? "Loading" : - "Live"); - /* Used by oprofile and other similar tools. */ -- seq_printf(m, " 0x%pK", mod->module_core); -+ seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw); - - /* Taints info */ - if (mod->taints) -@@ -3770,7 +3943,17 @@ static const struct file_operations proc_modules_operations = { - - static int __init proc_modules_init(void) - { -+#ifndef CONFIG_GRKERNSEC_HIDESYM -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations); -+#else - proc_create("modules", 0, NULL, &proc_modules_operations); -+#endif -+#else -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#endif - return 0; - } - module_init(proc_modules_init); -@@ -3831,7 +4014,8 @@ struct module *__module_address(unsigned long addr) - { - struct module *mod; - -- if (addr < module_addr_min || addr > module_addr_max) -+ if ((addr < module_addr_min_rx || addr > module_addr_max_rx) && -+ (addr < module_addr_min_rw || addr > module_addr_max_rw)) - return NULL; - - list_for_each_entry_rcu(mod, &modules, list) { -@@ -3872,11 +4056,20 @@ bool is_module_text_address(unsigned long addr) - */ - struct module *__module_text_address(unsigned long addr) - { -- struct module *mod = __module_address(addr); -+ struct module *mod; -+ -+#ifdef CONFIG_X86_32 -+ addr = ktla_ktva(addr); -+#endif -+ -+ if (addr < module_addr_min_rx || addr > module_addr_max_rx) -+ return NULL; -+ -+ mod = __module_address(addr); -+ - if (mod) { - /* Make sure it's within the text section. */ -- if (!within(addr, mod->module_init, mod->init_text_size) -- && !within(addr, mod->module_core, mod->core_text_size)) -+ if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod)) - mod = NULL; - } - return mod; -diff --git a/kernel/notifier.c b/kernel/notifier.c -index ae9fc7c..5085fbf 100644 ---- a/kernel/notifier.c -+++ b/kernel/notifier.c -@@ -5,6 +5,7 @@ - #include <linux/rcupdate.h> - #include <linux/vmalloc.h> - #include <linux/reboot.h> -+#include <linux/mm.h> - - /* - * Notifier list for kernel code which wants to be called -@@ -24,10 +25,12 @@ static int notifier_chain_register(struct notifier_block **nl, - while ((*nl) != NULL) { - if (n->priority > (*nl)->priority) - break; -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } -- n->next = *nl; -+ pax_open_kernel(); -+ *(const void **)&n->next = *nl; - rcu_assign_pointer(*nl, n); -+ pax_close_kernel(); - return 0; - } - -@@ -39,10 +42,12 @@ static int notifier_chain_cond_register(struct notifier_block **nl, - return 0; - if (n->priority > (*nl)->priority) - break; -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } -- n->next = *nl; -+ pax_open_kernel(); -+ *(const void **)&n->next = *nl; - rcu_assign_pointer(*nl, n); -+ pax_close_kernel(); - return 0; - } - -@@ -51,10 +56,12 @@ static int notifier_chain_unregister(struct notifier_block **nl, - { - while ((*nl) != NULL) { - if ((*nl) == n) { -+ pax_open_kernel(); - rcu_assign_pointer(*nl, n->next); -+ pax_close_kernel(); - return 0; - } -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } - return -ENOENT; - } -diff --git a/kernel/padata.c b/kernel/padata.c -index b38bea9..91acfbe 100644 ---- a/kernel/padata.c -+++ b/kernel/padata.c -@@ -54,7 +54,7 @@ static int padata_cpu_hash(struct parallel_data *pd) - * seq_nr mod. number of cpus in use. - */ - -- seq_nr = atomic_inc_return(&pd->seq_nr); -+ seq_nr = atomic_inc_return_unchecked(&pd->seq_nr); - cpu_index = seq_nr % cpumask_weight(pd->cpumask.pcpu); - - return padata_index_to_cpu(pd, cpu_index); -@@ -428,7 +428,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst, - padata_init_pqueues(pd); - padata_init_squeues(pd); - setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd); -- atomic_set(&pd->seq_nr, -1); -+ atomic_set_unchecked(&pd->seq_nr, -1); - atomic_set(&pd->reorder_objects, 0); - atomic_set(&pd->refcnt, 0); - pd->pinst = pinst; -diff --git a/kernel/panic.c b/kernel/panic.c -index 8136ad7..15c857b 100644 ---- a/kernel/panic.c -+++ b/kernel/panic.c -@@ -54,7 +54,7 @@ EXPORT_SYMBOL(panic_blink); - /* - * Stop ourself in panic -- architecture code may override this - */ --void __weak panic_smp_self_stop(void) -+void __weak __noreturn panic_smp_self_stop(void) - { - while (1) - cpu_relax(); -@@ -425,7 +425,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, - disable_trace_on_warning(); - - pr_warn("------------[ cut here ]------------\n"); -- pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pS()\n", -+ pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pA()\n", - raw_smp_processor_id(), current->pid, file, line, caller); - - if (args) -@@ -490,7 +490,8 @@ EXPORT_SYMBOL(warn_slowpath_null); - */ - __visible void __stack_chk_fail(void) - { -- panic("stack-protector: Kernel stack is corrupted in: %p\n", -+ dump_stack(); -+ panic("stack-protector: Kernel stack is corrupted in: %pA\n", - __builtin_return_address(0)); - } - EXPORT_SYMBOL(__stack_chk_fail); -diff --git a/kernel/pid.c b/kernel/pid.c -index 4fd07d5..02bce4f 100644 ---- a/kernel/pid.c -+++ b/kernel/pid.c -@@ -33,6 +33,7 @@ - #include <linux/rculist.h> - #include <linux/bootmem.h> - #include <linux/hash.h> -+#include <linux/security.h> - #include <linux/pid_namespace.h> - #include <linux/init_task.h> - #include <linux/syscalls.h> -@@ -47,7 +48,7 @@ struct pid init_struct_pid = INIT_STRUCT_PID; - - int pid_max = PID_MAX_DEFAULT; - --#define RESERVED_PIDS 300 -+#define RESERVED_PIDS 500 - - int pid_max_min = RESERVED_PIDS + 1; - int pid_max_max = PID_MAX_LIMIT; -@@ -451,10 +452,18 @@ EXPORT_SYMBOL(pid_task); - */ - struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns) - { -+ struct task_struct *task; -+ - rcu_lockdep_assert(rcu_read_lock_held(), - "find_task_by_pid_ns() needs rcu_read_lock()" - " protection"); -- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ -+ task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ -+ if (gr_pid_is_chrooted(task)) -+ return NULL; -+ -+ return task; - } - - struct task_struct *find_task_by_vpid(pid_t vnr) -@@ -462,6 +471,14 @@ struct task_struct *find_task_by_vpid(pid_t vnr) - return find_task_by_pid_ns(vnr, task_active_pid_ns(current)); - } - -+struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr) -+{ -+ rcu_lockdep_assert(rcu_read_lock_held(), -+ "find_task_by_pid_ns() needs rcu_read_lock()" -+ " protection"); -+ return pid_task(find_pid_ns(vnr, task_active_pid_ns(current)), PIDTYPE_PID); -+} -+ - struct pid *get_task_pid(struct task_struct *task, enum pid_type type) - { - struct pid *pid; -diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c -index a65ba13..f600dbb 100644 ---- a/kernel/pid_namespace.c -+++ b/kernel/pid_namespace.c -@@ -274,7 +274,7 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - struct pid_namespace *pid_ns = task_active_pid_ns(current); -- struct ctl_table tmp = *table; -+ ctl_table_no_const tmp = *table; - - if (write && !ns_capable(pid_ns->user_ns, CAP_SYS_ADMIN)) - return -EPERM; -diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig -index 9e30231..75a6d97 100644 ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -24,6 +24,8 @@ config HIBERNATE_CALLBACKS - config HIBERNATION - bool "Hibernation (aka 'suspend to disk')" - depends on SWAP && ARCH_HIBERNATION_POSSIBLE -+ depends on !GRKERNSEC_KMEM -+ depends on !PAX_MEMORY_SANITIZE - select HIBERNATE_CALLBACKS - select LZO_COMPRESS - select LZO_DECOMPRESS -diff --git a/kernel/power/process.c b/kernel/power/process.c -index 564f786..361a18e 100644 ---- a/kernel/power/process.c -+++ b/kernel/power/process.c -@@ -35,6 +35,7 @@ static int try_to_freeze_tasks(bool user_only) - unsigned int elapsed_msecs; - bool wakeup = false; - int sleep_usecs = USEC_PER_MSEC; -+ bool timedout = false; - - do_gettimeofday(&start); - -@@ -45,13 +46,20 @@ static int try_to_freeze_tasks(bool user_only) - - while (true) { - todo = 0; -+ if (time_after(jiffies, end_time)) -+ timedout = true; - read_lock(&tasklist_lock); - for_each_process_thread(g, p) { - if (p == current || !freeze_task(p)) - continue; - -- if (!freezer_should_skip(p)) -+ if (!freezer_should_skip(p)) { - todo++; -+ if (timedout) { -+ printk(KERN_ERR "Task refusing to freeze:\n"); -+ sched_show_task(p); -+ } -+ } - } - read_unlock(&tasklist_lock); - -@@ -60,7 +68,7 @@ static int try_to_freeze_tasks(bool user_only) - todo += wq_busy; - } - -- if (!todo || time_after(jiffies, end_time)) -+ if (!todo || timedout) - break; - - if (pm_wakeup_pending()) { -diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c -index bff0169..c90815d 100644 ---- a/kernel/printk/printk.c -+++ b/kernel/printk/printk.c -@@ -463,7 +463,7 @@ static int log_store(int facility, int level, - return msg->text_len; - } - --int dmesg_restrict = IS_ENABLED(CONFIG_SECURITY_DMESG_RESTRICT); -+int dmesg_restrict __read_only = IS_ENABLED(CONFIG_SECURITY_DMESG_RESTRICT); - - static int syslog_action_restricted(int type) - { -@@ -486,6 +486,11 @@ int check_syslog_permissions(int type, bool from_file) - if (from_file && type != SYSLOG_ACTION_OPEN) - goto ok; - -+#ifdef CONFIG_GRKERNSEC_DMESG -+ if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN)) -+ return -EPERM; -+#endif -+ - if (syslog_action_restricted(type)) { - if (capable(CAP_SYSLOG)) - goto ok; -diff --git a/kernel/profile.c b/kernel/profile.c -index a7bcd28..5b368fa 100644 ---- a/kernel/profile.c -+++ b/kernel/profile.c -@@ -37,7 +37,7 @@ struct profile_hit { - #define NR_PROFILE_HIT (PAGE_SIZE/sizeof(struct profile_hit)) - #define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ) - --static atomic_t *prof_buffer; -+static atomic_unchecked_t *prof_buffer; - static unsigned long prof_len, prof_shift; - - int prof_on __read_mostly; -@@ -256,7 +256,7 @@ static void profile_flip_buffers(void) - hits[i].pc = 0; - continue; - } -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].hits = hits[i].pc = 0; - } - } -@@ -317,9 +317,9 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits) - * Add the current hit(s) and flush the write-queue out - * to the global buffer: - */ -- atomic_add(nr_hits, &prof_buffer[pc]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[pc]); - for (i = 0; i < NR_PROFILE_HIT; ++i) { -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].pc = hits[i].hits = 0; - } - out: -@@ -394,7 +394,7 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits) - { - unsigned long pc; - pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift; -- atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); - } - #endif /* !CONFIG_SMP */ - -@@ -489,7 +489,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos) - return -EFAULT; - buf++; p++; count--; read++; - } -- pnt = (char *)prof_buffer + p - sizeof(atomic_t); -+ pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t); - if (copy_to_user(buf, (void *)pnt, count)) - return -EFAULT; - read += count; -@@ -520,7 +520,7 @@ static ssize_t write_profile(struct file *file, const char __user *buf, - } - #endif - profile_discard_flip_buffers(); -- memset(prof_buffer, 0, prof_len * sizeof(atomic_t)); -+ memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t)); - return count; - } - -diff --git a/kernel/ptrace.c b/kernel/ptrace.c -index c8e0e05..2be5614 100644 ---- a/kernel/ptrace.c -+++ b/kernel/ptrace.c -@@ -321,7 +321,7 @@ static int ptrace_attach(struct task_struct *task, long request, - if (seize) - flags |= PT_SEIZED; - rcu_read_lock(); -- if (ns_capable(__task_cred(task)->user_ns, CAP_SYS_PTRACE)) -+ if (ns_capable_nolog(__task_cred(task)->user_ns, CAP_SYS_PTRACE)) - flags |= PT_PTRACE_CAP; - rcu_read_unlock(); - task->ptrace = flags; -@@ -514,7 +514,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst - break; - return -EIO; - } -- if (copy_to_user(dst, buf, retval)) -+ if (retval > sizeof(buf) || copy_to_user(dst, buf, retval)) - return -EFAULT; - copied += retval; - src += retval; -@@ -802,7 +802,7 @@ int ptrace_request(struct task_struct *child, long request, - bool seized = child->ptrace & PT_SEIZED; - int ret = -EIO; - siginfo_t siginfo, *si; -- void __user *datavp = (void __user *) data; -+ void __user *datavp = (__force void __user *) data; - unsigned long __user *datalp = datavp; - unsigned long flags; - -@@ -1048,14 +1048,21 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr, - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { - ret = ptrace_attach(child, request, addr, data); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -@@ -1083,7 +1090,7 @@ int generic_ptrace_peekdata(struct task_struct *tsk, unsigned long addr, - copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - return -EIO; -- return put_user(tmp, (unsigned long __user *)data); -+ return put_user(tmp, (__force unsigned long __user *)data); - } - - int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr, -@@ -1176,7 +1183,7 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request, - } - - COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid, -- compat_long_t, addr, compat_long_t, data) -+ compat_ulong_t, addr, compat_ulong_t, data) - { - struct task_struct *child; - long ret; -@@ -1192,14 +1199,21 @@ COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid, - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { - ret = ptrace_attach(child, request, addr, data); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c -index 8dbe276..8e87dbd 100644 ---- a/kernel/rcu/rcutorture.c -+++ b/kernel/rcu/rcutorture.c -@@ -134,12 +134,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], - rcu_torture_count) = { 0 }; - static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], - rcu_torture_batch) = { 0 }; --static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; --static atomic_t n_rcu_torture_alloc; --static atomic_t n_rcu_torture_alloc_fail; --static atomic_t n_rcu_torture_free; --static atomic_t n_rcu_torture_mberror; --static atomic_t n_rcu_torture_error; -+static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; -+static atomic_unchecked_t n_rcu_torture_alloc; -+static atomic_unchecked_t n_rcu_torture_alloc_fail; -+static atomic_unchecked_t n_rcu_torture_free; -+static atomic_unchecked_t n_rcu_torture_mberror; -+static atomic_unchecked_t n_rcu_torture_error; - static long n_rcu_torture_barrier_error; - static long n_rcu_torture_boost_ktrerror; - static long n_rcu_torture_boost_rterror; -@@ -148,7 +148,7 @@ static long n_rcu_torture_boosts; - static long n_rcu_torture_timers; - static long n_barrier_attempts; - static long n_barrier_successes; --static atomic_long_t n_cbfloods; -+static atomic_long_unchecked_t n_cbfloods; - static struct list_head rcu_torture_removed; - - static int rcu_torture_writer_state; -@@ -211,11 +211,11 @@ rcu_torture_alloc(void) - - spin_lock_bh(&rcu_torture_lock); - if (list_empty(&rcu_torture_freelist)) { -- atomic_inc(&n_rcu_torture_alloc_fail); -+ atomic_inc_unchecked(&n_rcu_torture_alloc_fail); - spin_unlock_bh(&rcu_torture_lock); - return NULL; - } -- atomic_inc(&n_rcu_torture_alloc); -+ atomic_inc_unchecked(&n_rcu_torture_alloc); - p = rcu_torture_freelist.next; - list_del_init(p); - spin_unlock_bh(&rcu_torture_lock); -@@ -228,7 +228,7 @@ rcu_torture_alloc(void) - static void - rcu_torture_free(struct rcu_torture *p) - { -- atomic_inc(&n_rcu_torture_free); -+ atomic_inc_unchecked(&n_rcu_torture_free); - spin_lock_bh(&rcu_torture_lock); - list_add_tail(&p->rtort_free, &rcu_torture_freelist); - spin_unlock_bh(&rcu_torture_lock); -@@ -308,7 +308,7 @@ rcu_torture_pipe_update_one(struct rcu_torture *rp) - i = rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) { - rp->rtort_mbtest = 0; - return true; -@@ -796,7 +796,7 @@ rcu_torture_cbflood(void *arg) - VERBOSE_TOROUT_STRING("rcu_torture_cbflood task started"); - do { - schedule_timeout_interruptible(cbflood_inter_holdoff); -- atomic_long_inc(&n_cbfloods); -+ atomic_long_inc_unchecked(&n_cbfloods); - WARN_ON(signal_pending(current)); - for (i = 0; i < cbflood_n_burst; i++) { - for (j = 0; j < cbflood_n_per_burst; j++) { -@@ -923,7 +923,7 @@ rcu_torture_writer(void *arg) - i = old_rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - old_rp->rtort_pipe_count++; - switch (synctype[torture_random(&rand) % nsynctypes]) { - case RTWS_DEF_FREE: -@@ -1061,7 +1061,7 @@ static void rcu_torture_timer(unsigned long unused) - return; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - spin_lock(&rand_lock); - cur_ops->read_delay(&rand); - n_rcu_torture_timers++; -@@ -1136,7 +1136,7 @@ rcu_torture_reader(void *arg) - continue; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - cur_ops->read_delay(&rand); - preempt_disable(); - pipe_count = p->rtort_pipe_count; -@@ -1205,11 +1205,11 @@ rcu_torture_stats_print(void) - rcu_torture_current, - rcu_torture_current_version, - list_empty(&rcu_torture_freelist), -- atomic_read(&n_rcu_torture_alloc), -- atomic_read(&n_rcu_torture_alloc_fail), -- atomic_read(&n_rcu_torture_free)); -+ atomic_read_unchecked(&n_rcu_torture_alloc), -+ atomic_read_unchecked(&n_rcu_torture_alloc_fail), -+ atomic_read_unchecked(&n_rcu_torture_free)); - pr_cont("rtmbe: %d rtbke: %ld rtbre: %ld ", -- atomic_read(&n_rcu_torture_mberror), -+ atomic_read_unchecked(&n_rcu_torture_mberror), - n_rcu_torture_boost_ktrerror, - n_rcu_torture_boost_rterror); - pr_cont("rtbf: %ld rtb: %ld nt: %ld ", -@@ -1221,17 +1221,17 @@ rcu_torture_stats_print(void) - n_barrier_successes, - n_barrier_attempts, - n_rcu_torture_barrier_error); -- pr_cont("cbflood: %ld\n", atomic_long_read(&n_cbfloods)); -+ pr_cont("cbflood: %ld\n", atomic_long_read_unchecked(&n_cbfloods)); - - pr_alert("%s%s ", torture_type, TORTURE_FLAG); -- if (atomic_read(&n_rcu_torture_mberror) != 0 || -+ if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 || - n_rcu_torture_barrier_error != 0 || - n_rcu_torture_boost_ktrerror != 0 || - n_rcu_torture_boost_rterror != 0 || - n_rcu_torture_boost_failure != 0 || - i > 1) { - pr_cont("%s", "!!! "); -- atomic_inc(&n_rcu_torture_error); -+ atomic_inc_unchecked(&n_rcu_torture_error); - WARN_ON_ONCE(1); - } - pr_cont("Reader Pipe: "); -@@ -1248,7 +1248,7 @@ rcu_torture_stats_print(void) - pr_alert("%s%s ", torture_type, TORTURE_FLAG); - pr_cont("Free-Block Circulation: "); - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { -- pr_cont(" %d", atomic_read(&rcu_torture_wcount[i])); -+ pr_cont(" %d", atomic_read_unchecked(&rcu_torture_wcount[i])); - } - pr_cont("\n"); - -@@ -1595,7 +1595,7 @@ rcu_torture_cleanup(void) - - rcu_torture_stats_print(); /* -After- the stats thread is stopped! */ - -- if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error) -+ if (atomic_read_unchecked(&n_rcu_torture_error) || n_rcu_torture_barrier_error) - rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE"); - else if (torture_onoff_failures()) - rcu_torture_print_module_parms(cur_ops, -@@ -1720,18 +1720,18 @@ rcu_torture_init(void) - - rcu_torture_current = NULL; - rcu_torture_current_version = 0; -- atomic_set(&n_rcu_torture_alloc, 0); -- atomic_set(&n_rcu_torture_alloc_fail, 0); -- atomic_set(&n_rcu_torture_free, 0); -- atomic_set(&n_rcu_torture_mberror, 0); -- atomic_set(&n_rcu_torture_error, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0); -+ atomic_set_unchecked(&n_rcu_torture_free, 0); -+ atomic_set_unchecked(&n_rcu_torture_mberror, 0); -+ atomic_set_unchecked(&n_rcu_torture_error, 0); - n_rcu_torture_barrier_error = 0; - n_rcu_torture_boost_ktrerror = 0; - n_rcu_torture_boost_rterror = 0; - n_rcu_torture_boost_failure = 0; - n_rcu_torture_boosts = 0; - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) -- atomic_set(&rcu_torture_wcount[i], 0); -+ atomic_set_unchecked(&rcu_torture_wcount[i], 0); - for_each_possible_cpu(cpu) { - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { - per_cpu(rcu_torture_count, cpu)[i] = 0; -diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c -index ec30868..89752ff 100644 ---- a/kernel/rcu/tiny.c -+++ b/kernel/rcu/tiny.c -@@ -42,7 +42,7 @@ - /* Forward declarations for tiny_plugin.h. */ - struct rcu_ctrlblk; - static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp); --static void rcu_process_callbacks(struct softirq_action *unused); -+static void rcu_process_callbacks(void); - static void __call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *rcu), - struct rcu_ctrlblk *rcp); -@@ -203,7 +203,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp) - false)); - } - --static void rcu_process_callbacks(struct softirq_action *unused) -+static __latent_entropy void rcu_process_callbacks(void) - { - __rcu_process_callbacks(&rcu_sched_ctrlblk); - __rcu_process_callbacks(&rcu_bh_ctrlblk); -diff --git a/kernel/rcu/tiny_plugin.h b/kernel/rcu/tiny_plugin.h -index f94e209..d2985bd 100644 ---- a/kernel/rcu/tiny_plugin.h -+++ b/kernel/rcu/tiny_plugin.h -@@ -150,10 +150,10 @@ static void check_cpu_stall(struct rcu_ctrlblk *rcp) - rcp->name, rcp->ticks_this_gp, DYNTICK_TASK_EXIT_IDLE, - jiffies - rcp->gp_start, rcp->qlen); - dump_stack(); -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + - 3 * rcu_jiffies_till_stall_check() + 3; - } else if (ULONG_CMP_GE(j, js)) { -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); - } - } - -@@ -161,7 +161,7 @@ static void reset_cpu_stall_ticks(struct rcu_ctrlblk *rcp) - { - rcp->ticks_this_gp = 0; - rcp->gp_start = jiffies; -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); - } - - static void check_cpu_stalls(void) -diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c -index 8cf7304..953f8ad 100644 ---- a/kernel/rcu/tree.c -+++ b/kernel/rcu/tree.c -@@ -290,7 +290,7 @@ static void rcu_momentary_dyntick_idle(void) - */ - rdtp = this_cpu_ptr(&rcu_dynticks); - smp_mb__before_atomic(); /* Earlier stuff before QS. */ -- atomic_add(2, &rdtp->dynticks); /* QS. */ -+ atomic_add_unchecked(2, &rdtp->dynticks); /* QS. */ - smp_mb__after_atomic(); /* Later stuff after QS. */ - break; - } -@@ -602,9 +602,9 @@ static void rcu_eqs_enter_common(long long oldval, bool user) - rcu_prepare_for_idle(); - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic(); /* Force ordering with next sojourn. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - rcu_dynticks_task_enter(); - - /* -@@ -725,10 +725,10 @@ static void rcu_eqs_exit_common(long long oldval, int user) - - rcu_dynticks_task_exit(); - smp_mb__before_atomic(); /* Force ordering w/previous sojourn. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */ - smp_mb__after_atomic(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - rcu_cleanup_after_idle(); - trace_rcu_dyntick(TPS("End"), oldval, rdtp->dynticks_nesting); - if (!user && !is_idle_task(current)) { -@@ -862,12 +862,12 @@ void rcu_nmi_enter(void) - * to be in the outermost NMI handler that interrupted an RCU-idle - * period (observation due to Andy Lutomirski). - */ -- if (!(atomic_read(&rdtp->dynticks) & 0x1)) { -+ if (!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)) { - smp_mb__before_atomic(); /* Force delay from prior write. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - /* atomic_inc() before later RCU read-side crit sects */ - smp_mb__after_atomic(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - incby = 1; - } - rdtp->dynticks_nmi_nesting += incby; -@@ -892,7 +892,7 @@ void rcu_nmi_exit(void) - * to us!) - */ - WARN_ON_ONCE(rdtp->dynticks_nmi_nesting <= 0); -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - - /* - * If the nesting level is not 1, the CPU wasn't RCU-idle, so -@@ -907,9 +907,9 @@ void rcu_nmi_exit(void) - rdtp->dynticks_nmi_nesting = 0; - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic(); /* Force delay to next write. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - } - - /** -@@ -922,7 +922,7 @@ void rcu_nmi_exit(void) - */ - bool notrace __rcu_is_watching(void) - { -- return atomic_read(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1; -+ return atomic_read_unchecked(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1; - } - - /** -@@ -1005,7 +1005,7 @@ static int rcu_is_cpu_rrupt_from_idle(void) - static int dyntick_save_progress_counter(struct rcu_data *rdp, - bool *isidle, unsigned long *maxj) - { -- rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks); -+ rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks); - rcu_sysidle_check_cpu(rdp, isidle, maxj); - if ((rdp->dynticks_snap & 0x1) == 0) { - trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("dti")); -@@ -1013,7 +1013,7 @@ static int dyntick_save_progress_counter(struct rcu_data *rdp, - } else { - if (ULONG_CMP_LT(ACCESS_ONCE(rdp->gpnum) + ULONG_MAX / 4, - rdp->mynode->gpnum)) -- ACCESS_ONCE(rdp->gpwrap) = true; -+ ACCESS_ONCE_RW(rdp->gpwrap) = true; - return 0; - } - } -@@ -1031,7 +1031,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp, - int *rcrmp; - unsigned int snap; - -- curr = (unsigned int)atomic_add_return(0, &rdp->dynticks->dynticks); -+ curr = (unsigned int)atomic_add_return_unchecked(0, &rdp->dynticks->dynticks); - snap = (unsigned int)rdp->dynticks_snap; - - /* -@@ -1094,10 +1094,10 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp, - rdp->rsp->gp_start + jiffies_till_sched_qs) || - ULONG_CMP_GE(jiffies, rdp->rsp->jiffies_resched)) { - if (!(ACCESS_ONCE(*rcrmp) & rdp->rsp->flavor_mask)) { -- ACCESS_ONCE(rdp->cond_resched_completed) = -+ ACCESS_ONCE_RW(rdp->cond_resched_completed) = - ACCESS_ONCE(rdp->mynode->completed); - smp_mb(); /* ->cond_resched_completed before *rcrmp. */ -- ACCESS_ONCE(*rcrmp) = -+ ACCESS_ONCE_RW(*rcrmp) = - ACCESS_ONCE(*rcrmp) + rdp->rsp->flavor_mask; - resched_cpu(rdp->cpu); /* Force CPU into scheduler. */ - rdp->rsp->jiffies_resched += 5; /* Enable beating. */ -@@ -1119,7 +1119,7 @@ static void record_gp_stall_check_time(struct rcu_state *rsp) - rsp->gp_start = j; - smp_wmb(); /* Record start time before stall time. */ - j1 = rcu_jiffies_till_stall_check(); -- ACCESS_ONCE(rsp->jiffies_stall) = j + j1; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = j + j1; - rsp->jiffies_resched = j + j1 / 2; - rsp->n_force_qs_gpstart = ACCESS_ONCE(rsp->n_force_qs); - } -@@ -1178,7 +1178,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gpnum) - raw_spin_unlock_irqrestore(&rnp->lock, flags); - return; - } -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3; - raw_spin_unlock_irqrestore(&rnp->lock, flags); - - /* -@@ -1263,7 +1263,7 @@ static void print_cpu_stall(struct rcu_state *rsp) - - raw_spin_lock_irqsave(&rnp->lock, flags); - if (ULONG_CMP_GE(jiffies, ACCESS_ONCE(rsp->jiffies_stall))) -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + - 3 * rcu_jiffies_till_stall_check() + 3; - raw_spin_unlock_irqrestore(&rnp->lock, flags); - -@@ -1347,7 +1347,7 @@ void rcu_cpu_stall_reset(void) - struct rcu_state *rsp; - - for_each_rcu_flavor(rsp) -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2; - } - - /* -@@ -1704,7 +1704,7 @@ static bool __note_gp_changes(struct rcu_state *rsp, struct rcu_node *rnp, - rdp->rcu_qs_ctr_snap = __this_cpu_read(rcu_qs_ctr); - rdp->qs_pending = !!(rnp->qsmask & rdp->grpmask); - zero_cpu_stall_ticks(rdp); -- ACCESS_ONCE(rdp->gpwrap) = false; -+ ACCESS_ONCE_RW(rdp->gpwrap) = false; - } - return ret; - } -@@ -1740,7 +1740,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - struct rcu_data *rdp; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); - if (!ACCESS_ONCE(rsp->gp_flags)) { -@@ -1748,7 +1748,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - raw_spin_unlock_irq(&rnp->lock); - return 0; - } -- ACCESS_ONCE(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */ -+ ACCESS_ONCE_RW(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */ - - if (WARN_ON_ONCE(rcu_gp_in_progress(rsp))) { - /* -@@ -1834,9 +1834,9 @@ static int rcu_gp_init(struct rcu_state *rsp) - rdp = this_cpu_ptr(rsp->rda); - rcu_preempt_check_blocked_tasks(rnp); - rnp->qsmask = rnp->qsmaskinit; -- ACCESS_ONCE(rnp->gpnum) = rsp->gpnum; -+ ACCESS_ONCE_RW(rnp->gpnum) = rsp->gpnum; - if (WARN_ON_ONCE(rnp->completed != rsp->completed)) -- ACCESS_ONCE(rnp->completed) = rsp->completed; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->completed; - if (rnp == rdp->mynode) - (void)__note_gp_changes(rsp, rnp, rdp); - rcu_preempt_boost_start_gp(rnp); -@@ -1845,7 +1845,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - rnp->grphi, rnp->qsmask); - raw_spin_unlock_irq(&rnp->lock); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - if (gp_init_delay > 0 && - !(rsp->gpnum % (rcu_num_nodes * PER_RCU_NODE_PERIOD))) - schedule_timeout_uninterruptible(gp_init_delay); -@@ -1864,7 +1864,7 @@ static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in) - unsigned long maxj; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - rsp->n_force_qs++; - if (fqs_state == RCU_SAVE_DYNTICK) { - /* Collect dyntick-idle snapshots. */ -@@ -1885,7 +1885,7 @@ static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in) - if (ACCESS_ONCE(rsp->gp_flags) & RCU_GP_FLAG_FQS) { - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); -- ACCESS_ONCE(rsp->gp_flags) = -+ ACCESS_ONCE_RW(rsp->gp_flags) = - ACCESS_ONCE(rsp->gp_flags) & ~RCU_GP_FLAG_FQS; - raw_spin_unlock_irq(&rnp->lock); - } -@@ -1903,7 +1903,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - struct rcu_data *rdp; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); - gp_duration = jiffies - rsp->gp_start; -@@ -1934,7 +1934,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - smp_mb__after_unlock_lock(); - WARN_ON_ONCE(rcu_preempt_blocked_readers_cgp(rnp)); - WARN_ON_ONCE(rnp->qsmask); -- ACCESS_ONCE(rnp->completed) = rsp->gpnum; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->gpnum; - rdp = this_cpu_ptr(rsp->rda); - if (rnp == rdp->mynode) - needgp = __note_gp_changes(rsp, rnp, rdp) || needgp; -@@ -1942,7 +1942,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - nocb += rcu_future_gp_cleanup(rsp, rnp); - raw_spin_unlock_irq(&rnp->lock); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - } - rnp = rcu_get_root(rsp); - raw_spin_lock_irq(&rnp->lock); -@@ -1950,14 +1950,14 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - rcu_nocb_gp_set(rnp, nocb); - - /* Declare grace period done. */ -- ACCESS_ONCE(rsp->completed) = rsp->gpnum; -+ ACCESS_ONCE_RW(rsp->completed) = rsp->gpnum; - trace_rcu_grace_period(rsp->name, rsp->completed, TPS("end")); - rsp->fqs_state = RCU_GP_IDLE; - rdp = this_cpu_ptr(rsp->rda); - /* Advance CBs to reduce false positives below. */ - needgp = rcu_advance_cbs(rsp, rnp, rdp) || needgp; - if (needgp || cpu_needs_another_gp(rsp, rdp)) { -- ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT; -+ ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT; - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), - TPS("newreq")); -@@ -1993,7 +1993,7 @@ static int __noreturn rcu_gp_kthread(void *arg) - if (rcu_gp_init(rsp)) - break; - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - WARN_ON(signal_pending(current)); - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), -@@ -2037,11 +2037,11 @@ static int __noreturn rcu_gp_kthread(void *arg) - ACCESS_ONCE(rsp->gpnum), - TPS("fqsend")); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - } else { - /* Deal with stray signal. */ - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - WARN_ON(signal_pending(current)); - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), -@@ -2086,7 +2086,7 @@ rcu_start_gp_advanced(struct rcu_state *rsp, struct rcu_node *rnp, - */ - return false; - } -- ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT; -+ ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT; - trace_rcu_grace_period(rsp->name, ACCESS_ONCE(rsp->gpnum), - TPS("newreq")); - -@@ -2359,7 +2359,7 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp, - rsp->qlen += rdp->qlen; - rdp->n_cbs_orphaned += rdp->qlen; - rdp->qlen_lazy = 0; -- ACCESS_ONCE(rdp->qlen) = 0; -+ ACCESS_ONCE_RW(rdp->qlen) = 0; - } - - /* -@@ -2636,7 +2636,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) - } - smp_mb(); /* List handling before counting for rcu_barrier(). */ - rdp->qlen_lazy -= count_lazy; -- ACCESS_ONCE(rdp->qlen) = rdp->qlen - count; -+ ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen - count; - rdp->n_cbs_invoked += count; - - /* Reinstate batch limit if we have worked down the excess. */ -@@ -2814,7 +2814,7 @@ static void force_quiescent_state(struct rcu_state *rsp) - raw_spin_unlock_irqrestore(&rnp_old->lock, flags); - return; /* Someone beat us to it. */ - } -- ACCESS_ONCE(rsp->gp_flags) = -+ ACCESS_ONCE_RW(rsp->gp_flags) = - ACCESS_ONCE(rsp->gp_flags) | RCU_GP_FLAG_FQS; - raw_spin_unlock_irqrestore(&rnp_old->lock, flags); - rcu_gp_kthread_wake(rsp); -@@ -2860,7 +2860,7 @@ __rcu_process_callbacks(struct rcu_state *rsp) - /* - * Do RCU core processing for the current CPU. - */ --static void rcu_process_callbacks(struct softirq_action *unused) -+static void rcu_process_callbacks(void) - { - struct rcu_state *rsp; - -@@ -2972,7 +2972,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu), - WARN_ON_ONCE((unsigned long)head & 0x1); /* Misaligned rcu_head! */ - if (debug_rcu_head_queue(head)) { - /* Probable double call_rcu(), so leak the callback. */ -- ACCESS_ONCE(head->func) = rcu_leak_callback; -+ ACCESS_ONCE_RW(head->func) = rcu_leak_callback; - WARN_ONCE(1, "__call_rcu(): Leaked duplicate callback\n"); - return; - } -@@ -3011,7 +3011,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu), - if (!likely(rdp->nxtlist)) - init_default_callback_list(rdp); - } -- ACCESS_ONCE(rdp->qlen) = rdp->qlen + 1; -+ ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen + 1; - if (lazy) - rdp->qlen_lazy++; - else -@@ -3284,11 +3284,11 @@ void synchronize_sched_expedited(void) - * counter wrap on a 32-bit system. Quite a few more CPUs would of - * course be required on a 64-bit system. - */ -- if (ULONG_CMP_GE((ulong)atomic_long_read(&rsp->expedited_start), -+ if (ULONG_CMP_GE((ulong)atomic_long_read_unchecked(&rsp->expedited_start), - (ulong)atomic_long_read(&rsp->expedited_done) + - ULONG_MAX / 8)) { - synchronize_sched(); -- atomic_long_inc(&rsp->expedited_wrap); -+ atomic_long_inc_unchecked(&rsp->expedited_wrap); - return; - } - -@@ -3296,12 +3296,12 @@ void synchronize_sched_expedited(void) - * Take a ticket. Note that atomic_inc_return() implies a - * full memory barrier. - */ -- snap = atomic_long_inc_return(&rsp->expedited_start); -+ snap = atomic_long_inc_return_unchecked(&rsp->expedited_start); - firstsnap = snap; - if (!try_get_online_cpus()) { - /* CPU hotplug operation in flight, fall back to normal GP. */ - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - return; - } - WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id())); -@@ -3314,7 +3314,7 @@ void synchronize_sched_expedited(void) - for_each_cpu(cpu, cm) { - struct rcu_dynticks *rdtp = &per_cpu(rcu_dynticks, cpu); - -- if (!(atomic_add_return(0, &rdtp->dynticks) & 0x1)) -+ if (!(atomic_add_return_unchecked(0, &rdtp->dynticks) & 0x1)) - cpumask_clear_cpu(cpu, cm); - } - if (cpumask_weight(cm) == 0) -@@ -3329,14 +3329,14 @@ void synchronize_sched_expedited(void) - synchronize_sched_expedited_cpu_stop, - NULL) == -EAGAIN) { - put_online_cpus(); -- atomic_long_inc(&rsp->expedited_tryfail); -+ atomic_long_inc_unchecked(&rsp->expedited_tryfail); - - /* Check to see if someone else did our work for us. */ - s = atomic_long_read(&rsp->expedited_done); - if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone1); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone1); - free_cpumask_var(cm); - return; - } -@@ -3346,7 +3346,7 @@ void synchronize_sched_expedited(void) - udelay(trycount * num_online_cpus()); - } else { - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - free_cpumask_var(cm); - return; - } -@@ -3356,7 +3356,7 @@ void synchronize_sched_expedited(void) - if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone2); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone2); - free_cpumask_var(cm); - return; - } -@@ -3371,14 +3371,14 @@ void synchronize_sched_expedited(void) - if (!try_get_online_cpus()) { - /* CPU hotplug operation in flight, use normal GP. */ - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - free_cpumask_var(cm); - return; - } -- snap = atomic_long_read(&rsp->expedited_start); -+ snap = atomic_long_read_unchecked(&rsp->expedited_start); - smp_mb(); /* ensure read is before try_stop_cpus(). */ - } -- atomic_long_inc(&rsp->expedited_stoppedcpus); -+ atomic_long_inc_unchecked(&rsp->expedited_stoppedcpus); - - all_cpus_idle: - free_cpumask_var(cm); -@@ -3390,16 +3390,16 @@ all_cpus_idle: - * than we did already did their update. - */ - do { -- atomic_long_inc(&rsp->expedited_done_tries); -+ atomic_long_inc_unchecked(&rsp->expedited_done_tries); - s = atomic_long_read(&rsp->expedited_done); - if (ULONG_CMP_GE((ulong)s, (ulong)snap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_done_lost); -+ atomic_long_inc_unchecked(&rsp->expedited_done_lost); - break; - } - } while (atomic_long_cmpxchg(&rsp->expedited_done, s, snap) != s); -- atomic_long_inc(&rsp->expedited_done_exit); -+ atomic_long_inc_unchecked(&rsp->expedited_done_exit); - - put_online_cpus(); - } -@@ -3609,7 +3609,7 @@ static void _rcu_barrier(struct rcu_state *rsp) - * ACCESS_ONCE() to prevent the compiler from speculating - * the increment to precede the early-exit check. - */ -- ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1; -+ ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1; - WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 1); - _rcu_barrier_trace(rsp, "Inc1", -1, rsp->n_barrier_done); - smp_mb(); /* Order ->n_barrier_done increment with below mechanism. */ -@@ -3665,7 +3665,7 @@ static void _rcu_barrier(struct rcu_state *rsp) - - /* Increment ->n_barrier_done to prevent duplicate work. */ - smp_mb(); /* Keep increment after above mechanism. */ -- ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1; -+ ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1; - WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 0); - _rcu_barrier_trace(rsp, "Inc2", -1, rsp->n_barrier_done); - smp_mb(); /* Keep increment before caller's subsequent code. */ -@@ -3732,7 +3732,7 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) - rdp->grpmask = 1UL << (cpu - rdp->mynode->grplo); - rdp->dynticks = &per_cpu(rcu_dynticks, cpu); - WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE); -- WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdp->dynticks->dynticks) != 1); - rdp->cpu = cpu; - rdp->rsp = rsp; - rcu_boot_init_nocb_percpu_data(rdp); -@@ -3763,8 +3763,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp) - init_callback_list(rdp); /* Re-enable callbacks on this CPU. */ - rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE; - rcu_sysidle_init_percpu_data(rdp->dynticks); -- atomic_set(&rdp->dynticks->dynticks, -- (atomic_read(&rdp->dynticks->dynticks) & ~0x1) + 1); -+ atomic_set_unchecked(&rdp->dynticks->dynticks, -+ (atomic_read_unchecked(&rdp->dynticks->dynticks) & ~0x1) + 1); - raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */ - - /* -diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h -index a69d3da..51993c4 100644 ---- a/kernel/rcu/tree.h -+++ b/kernel/rcu/tree.h -@@ -86,11 +86,11 @@ struct rcu_dynticks { - long long dynticks_nesting; /* Track irq/process nesting level. */ - /* Process level is worth LLONG_MAX/2. */ - int dynticks_nmi_nesting; /* Track NMI nesting level. */ -- atomic_t dynticks; /* Even value for idle, else odd. */ -+ atomic_unchecked_t dynticks;/* Even value for idle, else odd. */ - #ifdef CONFIG_NO_HZ_FULL_SYSIDLE - long long dynticks_idle_nesting; - /* irq/process nesting level from idle. */ -- atomic_t dynticks_idle; /* Even value for idle, else odd. */ -+ atomic_unchecked_t dynticks_idle;/* Even value for idle, else odd. */ - /* "Idle" excludes userspace execution. */ - unsigned long dynticks_idle_jiffies; - /* End of last non-NMI non-idle period. */ -@@ -463,17 +463,17 @@ struct rcu_state { - /* _rcu_barrier(). */ - /* End of fields guarded by barrier_mutex. */ - -- atomic_long_t expedited_start; /* Starting ticket. */ -- atomic_long_t expedited_done; /* Done ticket. */ -- atomic_long_t expedited_wrap; /* # near-wrap incidents. */ -- atomic_long_t expedited_tryfail; /* # acquisition failures. */ -- atomic_long_t expedited_workdone1; /* # done by others #1. */ -- atomic_long_t expedited_workdone2; /* # done by others #2. */ -- atomic_long_t expedited_normal; /* # fallbacks to normal. */ -- atomic_long_t expedited_stoppedcpus; /* # successful stop_cpus. */ -- atomic_long_t expedited_done_tries; /* # tries to update _done. */ -- atomic_long_t expedited_done_lost; /* # times beaten to _done. */ -- atomic_long_t expedited_done_exit; /* # times exited _done loop. */ -+ atomic_long_unchecked_t expedited_start; /* Starting ticket. */ -+ atomic_long_t expedited_done; /* Done ticket. */ -+ atomic_long_unchecked_t expedited_wrap; /* # near-wrap incidents. */ -+ atomic_long_unchecked_t expedited_tryfail; /* # acquisition failures. */ -+ atomic_long_unchecked_t expedited_workdone1; /* # done by others #1. */ -+ atomic_long_unchecked_t expedited_workdone2; /* # done by others #2. */ -+ atomic_long_unchecked_t expedited_normal; /* # fallbacks to normal. */ -+ atomic_long_unchecked_t expedited_stoppedcpus; /* # successful stop_cpus. */ -+ atomic_long_unchecked_t expedited_done_tries; /* # tries to update _done. */ -+ atomic_long_unchecked_t expedited_done_lost; /* # times beaten to _done. */ -+ atomic_long_unchecked_t expedited_done_exit; /* # times exited _done loop. */ - - unsigned long jiffies_force_qs; /* Time at which to invoke */ - /* force_quiescent_state(). */ -diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h -index 8c0ec0f..99d52c5 100644 ---- a/kernel/rcu/tree_plugin.h -+++ b/kernel/rcu/tree_plugin.h -@@ -570,7 +570,7 @@ static int rcu_preempted_readers_exp(struct rcu_node *rnp) - static int sync_rcu_preempt_exp_done(struct rcu_node *rnp) - { - return !rcu_preempted_readers_exp(rnp) && -- ACCESS_ONCE(rnp->expmask) == 0; -+ ACCESS_ONCE_RW(rnp->expmask) == 0; - } - - /* -@@ -780,7 +780,7 @@ void synchronize_rcu_expedited(void) - - /* Clean up and exit. */ - smp_mb(); /* ensure expedited GP seen before counter increment. */ -- ACCESS_ONCE(sync_rcu_preempt_exp_count) = -+ ACCESS_ONCE_RW(sync_rcu_preempt_exp_count) = - sync_rcu_preempt_exp_count + 1; - unlock_mb_ret: - mutex_unlock(&sync_rcu_preempt_exp_mutex); -@@ -1286,7 +1286,7 @@ static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu) - free_cpumask_var(cm); - } - --static struct smp_hotplug_thread rcu_cpu_thread_spec = { -+static struct smp_hotplug_thread rcu_cpu_thread_spec __read_only = { - .store = &rcu_cpu_kthread_task, - .thread_should_run = rcu_cpu_kthread_should_run, - .thread_fn = rcu_cpu_kthread, -@@ -1757,7 +1757,7 @@ static void print_cpu_stall_info(struct rcu_state *rsp, int cpu) - print_cpu_stall_fast_no_hz(fast_no_hz, cpu); - pr_err("\t%d: (%lu %s) idle=%03x/%llx/%d softirq=%u/%u fqs=%ld %s\n", - cpu, ticks_value, ticks_title, -- atomic_read(&rdtp->dynticks) & 0xfff, -+ atomic_read_unchecked(&rdtp->dynticks) & 0xfff, - rdtp->dynticks_nesting, rdtp->dynticks_nmi_nesting, - rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu), - ACCESS_ONCE(rsp->n_force_qs) - rsp->n_force_qs_gpstart, -@@ -1902,7 +1902,7 @@ static void wake_nocb_leader(struct rcu_data *rdp, bool force) - return; - if (ACCESS_ONCE(rdp_leader->nocb_leader_sleep) || force) { - /* Prior smp_mb__after_atomic() orders against prior enqueue. */ -- ACCESS_ONCE(rdp_leader->nocb_leader_sleep) = false; -+ ACCESS_ONCE_RW(rdp_leader->nocb_leader_sleep) = false; - wake_up(&rdp_leader->nocb_wq); - } - } -@@ -1975,7 +1975,7 @@ static void __call_rcu_nocb_enqueue(struct rcu_data *rdp, - atomic_long_add(rhcount, &rdp->nocb_q_count); - /* rcu_barrier() relies on ->nocb_q_count add before xchg. */ - old_rhpp = xchg(&rdp->nocb_tail, rhtp); -- ACCESS_ONCE(*old_rhpp) = rhp; -+ ACCESS_ONCE_RW(*old_rhpp) = rhp; - atomic_long_add(rhcount_lazy, &rdp->nocb_q_count_lazy); - smp_mb__after_atomic(); /* Store *old_rhpp before _wake test. */ - -@@ -2164,7 +2164,7 @@ wait_again: - continue; /* No CBs here, try next follower. */ - - /* Move callbacks to wait-for-GP list, which is empty. */ -- ACCESS_ONCE(rdp->nocb_head) = NULL; -+ ACCESS_ONCE_RW(rdp->nocb_head) = NULL; - rdp->nocb_gp_tail = xchg(&rdp->nocb_tail, &rdp->nocb_head); - gotcbs = true; - } -@@ -2285,7 +2285,7 @@ static int rcu_nocb_kthread(void *arg) - list = ACCESS_ONCE(rdp->nocb_follower_head); - BUG_ON(!list); - trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, "WokeNonEmpty"); -- ACCESS_ONCE(rdp->nocb_follower_head) = NULL; -+ ACCESS_ONCE_RW(rdp->nocb_follower_head) = NULL; - tail = xchg(&rdp->nocb_follower_tail, &rdp->nocb_follower_head); - - /* Each pass through the following loop invokes a callback. */ -@@ -2335,7 +2335,7 @@ static void do_nocb_deferred_wakeup(struct rcu_data *rdp) - if (!rcu_nocb_need_deferred_wakeup(rdp)) - return; - ndw = ACCESS_ONCE(rdp->nocb_defer_wakeup); -- ACCESS_ONCE(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT; -+ ACCESS_ONCE_RW(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT; - wake_nocb_leader(rdp, ndw == RCU_NOGP_WAKE_FORCE); - trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, TPS("DeferredWake")); - } -@@ -2448,7 +2448,7 @@ static void rcu_spawn_one_nocb_kthread(struct rcu_state *rsp, int cpu) - t = kthread_run(rcu_nocb_kthread, rdp_spawn, - "rcuo%c/%d", rsp->abbr, cpu); - BUG_ON(IS_ERR(t)); -- ACCESS_ONCE(rdp_spawn->nocb_kthread) = t; -+ ACCESS_ONCE_RW(rdp_spawn->nocb_kthread) = t; - } - - /* -@@ -2663,11 +2663,11 @@ static void rcu_sysidle_enter(int irq) - - /* Record start of fully idle period. */ - j = jiffies; -- ACCESS_ONCE(rdtp->dynticks_idle_jiffies) = j; -+ ACCESS_ONCE_RW(rdtp->dynticks_idle_jiffies) = j; - smp_mb__before_atomic(); -- atomic_inc(&rdtp->dynticks_idle); -+ atomic_inc_unchecked(&rdtp->dynticks_idle); - smp_mb__after_atomic(); -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks_idle) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1); - } - - /* -@@ -2738,9 +2738,9 @@ static void rcu_sysidle_exit(int irq) - - /* Record end of idle period. */ - smp_mb__before_atomic(); -- atomic_inc(&rdtp->dynticks_idle); -+ atomic_inc_unchecked(&rdtp->dynticks_idle); - smp_mb__after_atomic(); -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks_idle) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1)); - - /* - * If we are the timekeeping CPU, we are permitted to be non-idle -@@ -2786,7 +2786,7 @@ static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle, - WARN_ON_ONCE(smp_processor_id() != tick_do_timer_cpu); - - /* Pick up current idle and NMI-nesting counter and check. */ -- cur = atomic_read(&rdtp->dynticks_idle); -+ cur = atomic_read_unchecked(&rdtp->dynticks_idle); - if (cur & 0x1) { - *isidle = false; /* We are not idle! */ - return; -@@ -2835,7 +2835,7 @@ static void rcu_sysidle(unsigned long j) - case RCU_SYSIDLE_NOT: - - /* First time all are idle, so note a short idle period. */ -- ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_SHORT; -+ ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_SHORT; - break; - - case RCU_SYSIDLE_SHORT: -@@ -2873,7 +2873,7 @@ static void rcu_sysidle_cancel(void) - { - smp_mb(); - if (full_sysidle_state > RCU_SYSIDLE_SHORT) -- ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_NOT; -+ ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_NOT; - } - - /* -@@ -2925,7 +2925,7 @@ static void rcu_sysidle_cb(struct rcu_head *rhp) - smp_mb(); /* grace period precedes setting inuse. */ - - rshp = container_of(rhp, struct rcu_sysidle_head, rh); -- ACCESS_ONCE(rshp->inuse) = 0; -+ ACCESS_ONCE_RW(rshp->inuse) = 0; - } - - /* -@@ -3077,7 +3077,7 @@ static void rcu_bind_gp_kthread(void) - static void rcu_dynticks_task_enter(void) - { - #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) -- ACCESS_ONCE(current->rcu_tasks_idle_cpu) = smp_processor_id(); -+ ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = smp_processor_id(); - #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */ - } - -@@ -3085,6 +3085,6 @@ static void rcu_dynticks_task_enter(void) - static void rcu_dynticks_task_exit(void) - { - #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) -- ACCESS_ONCE(current->rcu_tasks_idle_cpu) = -1; -+ ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = -1; - #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */ - } -diff --git a/kernel/rcu/tree_trace.c b/kernel/rcu/tree_trace.c -index f92361e..0052f88 100644 ---- a/kernel/rcu/tree_trace.c -+++ b/kernel/rcu/tree_trace.c -@@ -125,7 +125,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) - rdp->rcu_qs_ctr_snap == per_cpu(rcu_qs_ctr, rdp->cpu), - rdp->qs_pending); - seq_printf(m, " dt=%d/%llx/%d df=%lu", -- atomic_read(&rdp->dynticks->dynticks), -+ atomic_read_unchecked(&rdp->dynticks->dynticks), - rdp->dynticks->dynticks_nesting, - rdp->dynticks->dynticks_nmi_nesting, - rdp->dynticks_fqs); -@@ -186,17 +186,17 @@ static int show_rcuexp(struct seq_file *m, void *v) - struct rcu_state *rsp = (struct rcu_state *)m->private; - - seq_printf(m, "s=%lu d=%lu w=%lu tf=%lu wd1=%lu wd2=%lu n=%lu sc=%lu dt=%lu dl=%lu dx=%lu\n", -- atomic_long_read(&rsp->expedited_start), -+ atomic_long_read_unchecked(&rsp->expedited_start), - atomic_long_read(&rsp->expedited_done), -- atomic_long_read(&rsp->expedited_wrap), -- atomic_long_read(&rsp->expedited_tryfail), -- atomic_long_read(&rsp->expedited_workdone1), -- atomic_long_read(&rsp->expedited_workdone2), -- atomic_long_read(&rsp->expedited_normal), -- atomic_long_read(&rsp->expedited_stoppedcpus), -- atomic_long_read(&rsp->expedited_done_tries), -- atomic_long_read(&rsp->expedited_done_lost), -- atomic_long_read(&rsp->expedited_done_exit)); -+ atomic_long_read_unchecked(&rsp->expedited_wrap), -+ atomic_long_read_unchecked(&rsp->expedited_tryfail), -+ atomic_long_read_unchecked(&rsp->expedited_workdone1), -+ atomic_long_read_unchecked(&rsp->expedited_workdone2), -+ atomic_long_read_unchecked(&rsp->expedited_normal), -+ atomic_long_read_unchecked(&rsp->expedited_stoppedcpus), -+ atomic_long_read_unchecked(&rsp->expedited_done_tries), -+ atomic_long_read_unchecked(&rsp->expedited_done_lost), -+ atomic_long_read_unchecked(&rsp->expedited_done_exit)); - return 0; - } - -diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c -index 1f13335..77ebb7f 100644 ---- a/kernel/rcu/update.c -+++ b/kernel/rcu/update.c -@@ -396,10 +396,10 @@ int rcu_jiffies_till_stall_check(void) - * for CONFIG_RCU_CPU_STALL_TIMEOUT. - */ - if (till_stall_check < 3) { -- ACCESS_ONCE(rcu_cpu_stall_timeout) = 3; -+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 3; - till_stall_check = 3; - } else if (till_stall_check > 300) { -- ACCESS_ONCE(rcu_cpu_stall_timeout) = 300; -+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 300; - till_stall_check = 300; - } - return till_stall_check * HZ + RCU_STALL_DELAY_DELTA; -@@ -555,7 +555,7 @@ static void check_holdout_task(struct task_struct *t, - !ACCESS_ONCE(t->on_rq) || - (IS_ENABLED(CONFIG_NO_HZ_FULL) && - !is_idle_task(t) && t->rcu_tasks_idle_cpu >= 0)) { -- ACCESS_ONCE(t->rcu_tasks_holdout) = false; -+ ACCESS_ONCE_RW(t->rcu_tasks_holdout) = false; - list_del_init(&t->rcu_tasks_holdout_list); - put_task_struct(t); - return; -@@ -643,7 +643,7 @@ static int __noreturn rcu_tasks_kthread(void *arg) - !is_idle_task(t)) { - get_task_struct(t); - t->rcu_tasks_nvcsw = ACCESS_ONCE(t->nvcsw); -- ACCESS_ONCE(t->rcu_tasks_holdout) = true; -+ ACCESS_ONCE_RW(t->rcu_tasks_holdout) = true; - list_add(&t->rcu_tasks_holdout_list, - &rcu_tasks_holdouts); - } -@@ -740,7 +740,7 @@ static void rcu_spawn_tasks_kthread(void) - t = kthread_run(rcu_tasks_kthread, NULL, "rcu_tasks_kthread"); - BUG_ON(IS_ERR(t)); - smp_mb(); /* Ensure others see full kthread. */ -- ACCESS_ONCE(rcu_tasks_kthread_ptr) = t; -+ ACCESS_ONCE_RW(rcu_tasks_kthread_ptr) = t; - mutex_unlock(&rcu_tasks_kthread_mutex); - } - -diff --git a/kernel/resource.c b/kernel/resource.c -index 90552aa..ad13346 100644 ---- a/kernel/resource.c -+++ b/kernel/resource.c -@@ -162,8 +162,18 @@ static const struct file_operations proc_iomem_operations = { - - static int __init ioresources_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations); -+#endif -+#else - proc_create("ioports", 0, NULL, &proc_ioports_operations); - proc_create("iomem", 0, NULL, &proc_iomem_operations); -+#endif - return 0; - } - __initcall(ioresources_init); -@@ -504,13 +514,13 @@ int region_is_ram(resource_size_t start, unsigned long size) - { - struct resource *p; - resource_size_t end = start + size - 1; -- int flags = IORESOURCE_MEM | IORESOURCE_BUSY; -+ unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; - const char *name = "System RAM"; - int ret = -1; - - read_lock(&resource_lock); - for (p = iomem_resource.child; p ; p = p->sibling) { -- if (end < p->start) -+ if (p->end < start) - continue; - - if (p->start <= start && end <= p->end) { -@@ -521,7 +531,7 @@ int region_is_ram(resource_size_t start, unsigned long size) - ret = 1; - break; - } -- if (p->end < start) -+ if (end < p->start) - break; /* not found */ - } - read_unlock(&resource_lock); -diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c -index eae160d..c9aa22e 100644 ---- a/kernel/sched/auto_group.c -+++ b/kernel/sched/auto_group.c -@@ -11,7 +11,7 @@ - - unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1; - static struct autogroup autogroup_default; --static atomic_t autogroup_seq_nr; -+static atomic_unchecked_t autogroup_seq_nr; - - void __init autogroup_init(struct task_struct *init_task) - { -@@ -79,7 +79,7 @@ static inline struct autogroup *autogroup_create(void) - - kref_init(&ag->kref); - init_rwsem(&ag->lock); -- ag->id = atomic_inc_return(&autogroup_seq_nr); -+ ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr); - ag->tg = tg; - #ifdef CONFIG_RT_GROUP_SCHED - /* -diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c -index 8d0f35d..c16360d 100644 ---- a/kernel/sched/completion.c -+++ b/kernel/sched/completion.c -@@ -205,7 +205,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible); - * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, - * or number of jiffies left till timeout) if completed. - */ --long __sched -+long __sched __intentional_overflow(-1) - wait_for_completion_interruptible_timeout(struct completion *x, - unsigned long timeout) - { -@@ -222,7 +222,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout); - * - * Return: -ERESTARTSYS if interrupted, 0 if completed. - */ --int __sched wait_for_completion_killable(struct completion *x) -+int __sched __intentional_overflow(-1) wait_for_completion_killable(struct completion *x) - { - long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE); - if (t == -ERESTARTSYS) -@@ -243,7 +243,7 @@ EXPORT_SYMBOL(wait_for_completion_killable); - * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, - * or number of jiffies left till timeout) if completed. - */ --long __sched -+long __sched __intentional_overflow(-1) - wait_for_completion_killable_timeout(struct completion *x, - unsigned long timeout) - { -diff --git a/kernel/sched/core.c b/kernel/sched/core.c -index 1236732..df281d6 100644 ---- a/kernel/sched/core.c -+++ b/kernel/sched/core.c -@@ -1867,7 +1867,7 @@ void set_numabalancing_state(bool enabled) - int sysctl_numa_balancing(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - int err; - int state = numabalancing_enabled; - -@@ -2317,8 +2317,10 @@ context_switch(struct rq *rq, struct task_struct *prev, - next->active_mm = oldmm; - atomic_inc(&oldmm->mm_count); - enter_lazy_tlb(oldmm, next); -- } else -+ } else { - switch_mm(oldmm, mm, next); -+ populate_stack(); -+ } - - if (!prev->mm) { - prev->active_mm = NULL; -@@ -3129,6 +3131,8 @@ int can_nice(const struct task_struct *p, const int nice) - /* convert nice value [19,-20] to rlimit style value [1,40] */ - int nice_rlim = nice_to_rlimit(nice); - -+ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1); -+ - return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || - capable(CAP_SYS_NICE)); - } -@@ -3155,7 +3159,8 @@ SYSCALL_DEFINE1(nice, int, increment) - nice = task_nice(current) + increment; - - nice = clamp_val(nice, MIN_NICE, MAX_NICE); -- if (increment < 0 && !can_nice(current, nice)) -+ if (increment < 0 && (!can_nice(current, nice) || -+ gr_handle_chroot_nice())) - return -EPERM; - - retval = security_task_setnice(current, nice); -@@ -3467,6 +3472,7 @@ recheck: - if (policy != p->policy && !rlim_rtprio) - return -EPERM; - -+ gr_learn_resource(p, RLIMIT_RTPRIO, attr->sched_priority, 1); - /* can't increase priority */ - if (attr->sched_priority > p->rt_priority && - attr->sched_priority > rlim_rtprio) -@@ -4950,6 +4956,7 @@ void idle_task_exit(void) - - if (mm != &init_mm) { - switch_mm(mm, &init_mm, current); -+ populate_stack(); - finish_arch_post_lock_switch(); - } - mmdrop(mm); -@@ -5045,7 +5052,7 @@ static void migrate_tasks(unsigned int dead_cpu) - - #if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_SYSCTL) - --static struct ctl_table sd_ctl_dir[] = { -+static ctl_table_no_const sd_ctl_dir[] __read_only = { - { - .procname = "sched_domain", - .mode = 0555, -@@ -5062,17 +5069,17 @@ static struct ctl_table sd_ctl_root[] = { - {} - }; - --static struct ctl_table *sd_alloc_ctl_entry(int n) -+static ctl_table_no_const *sd_alloc_ctl_entry(int n) - { -- struct ctl_table *entry = -+ ctl_table_no_const *entry = - kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL); - - return entry; - } - --static void sd_free_ctl_entry(struct ctl_table **tablep) -+static void sd_free_ctl_entry(ctl_table_no_const *tablep) - { -- struct ctl_table *entry; -+ ctl_table_no_const *entry; - - /* - * In the intermediate directories, both the child directory and -@@ -5080,22 +5087,25 @@ static void sd_free_ctl_entry(struct ctl_table **tablep) - * will always be set. In the lowest directory the names are - * static strings and all have proc handlers. - */ -- for (entry = *tablep; entry->mode; entry++) { -- if (entry->child) -- sd_free_ctl_entry(&entry->child); -+ for (entry = tablep; entry->mode; entry++) { -+ if (entry->child) { -+ sd_free_ctl_entry(entry->child); -+ pax_open_kernel(); -+ entry->child = NULL; -+ pax_close_kernel(); -+ } - if (entry->proc_handler == NULL) - kfree(entry->procname); - } - -- kfree(*tablep); -- *tablep = NULL; -+ kfree(tablep); - } - - static int min_load_idx = 0; - static int max_load_idx = CPU_LOAD_IDX_MAX-1; - - static void --set_table_entry(struct ctl_table *entry, -+set_table_entry(ctl_table_no_const *entry, - const char *procname, void *data, int maxlen, - umode_t mode, proc_handler *proc_handler, - bool load_idx) -@@ -5115,7 +5125,7 @@ set_table_entry(struct ctl_table *entry, - static struct ctl_table * - sd_alloc_ctl_domain_table(struct sched_domain *sd) - { -- struct ctl_table *table = sd_alloc_ctl_entry(14); -+ ctl_table_no_const *table = sd_alloc_ctl_entry(14); - - if (table == NULL) - return NULL; -@@ -5153,9 +5163,9 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd) - return table; - } - --static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu) -+static ctl_table_no_const *sd_alloc_ctl_cpu_table(int cpu) - { -- struct ctl_table *entry, *table; -+ ctl_table_no_const *entry, *table; - struct sched_domain *sd; - int domain_num = 0, i; - char buf[32]; -@@ -5182,11 +5192,13 @@ static struct ctl_table_header *sd_sysctl_header; - static void register_sched_domain_sysctl(void) - { - int i, cpu_num = num_possible_cpus(); -- struct ctl_table *entry = sd_alloc_ctl_entry(cpu_num + 1); -+ ctl_table_no_const *entry = sd_alloc_ctl_entry(cpu_num + 1); - char buf[32]; - - WARN_ON(sd_ctl_dir[0].child); -+ pax_open_kernel(); - sd_ctl_dir[0].child = entry; -+ pax_close_kernel(); - - if (entry == NULL) - return; -@@ -5209,8 +5221,12 @@ static void unregister_sched_domain_sysctl(void) - if (sd_sysctl_header) - unregister_sysctl_table(sd_sysctl_header); - sd_sysctl_header = NULL; -- if (sd_ctl_dir[0].child) -- sd_free_ctl_entry(&sd_ctl_dir[0].child); -+ if (sd_ctl_dir[0].child) { -+ sd_free_ctl_entry(sd_ctl_dir[0].child); -+ pax_open_kernel(); -+ sd_ctl_dir[0].child = NULL; -+ pax_close_kernel(); -+ } - } - #else - static void register_sched_domain_sysctl(void) -diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index c2980e8..4737a6d 100644 ---- a/kernel/sched/fair.c -+++ b/kernel/sched/fair.c -@@ -2107,7 +2107,7 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags) - - static void reset_ptenuma_scan(struct task_struct *p) - { -- ACCESS_ONCE(p->mm->numa_scan_seq)++; -+ ACCESS_ONCE_RW(p->mm->numa_scan_seq)++; - p->mm->numa_scan_offset = 0; - } - -@@ -7753,7 +7753,7 @@ static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { } - * run_rebalance_domains is triggered when needed from the scheduler tick. - * Also triggered for nohz idle balancing (with nohz_balancing_kick set). - */ --static void run_rebalance_domains(struct softirq_action *h) -+static __latent_entropy void run_rebalance_domains(void) - { - struct rq *this_rq = this_rq(); - enum cpu_idle_type idle = this_rq->idle_balance ? -diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h -index e0e1299..e1e896b 100644 ---- a/kernel/sched/sched.h -+++ b/kernel/sched/sched.h -@@ -1219,7 +1219,7 @@ struct sched_class { - #ifdef CONFIG_FAIR_GROUP_SCHED - void (*task_move_group) (struct task_struct *p, int on_rq); - #endif --}; -+} __do_const; - - static inline void put_prev_task(struct rq *rq, struct task_struct *prev) - { -diff --git a/kernel/signal.c b/kernel/signal.c -index 0206be7..6445784 100644 ---- a/kernel/signal.c -+++ b/kernel/signal.c -@@ -53,12 +53,12 @@ static struct kmem_cache *sigqueue_cachep; - - int print_fatal_signals __read_mostly; - --static void __user *sig_handler(struct task_struct *t, int sig) -+static __sighandler_t sig_handler(struct task_struct *t, int sig) - { - return t->sighand->action[sig - 1].sa.sa_handler; - } - --static int sig_handler_ignored(void __user *handler, int sig) -+static int sig_handler_ignored(__sighandler_t handler, int sig) - { - /* Is it explicitly or implicitly ignored? */ - return handler == SIG_IGN || -@@ -67,7 +67,7 @@ static int sig_handler_ignored(void __user *handler, int sig) - - static int sig_task_ignored(struct task_struct *t, int sig, bool force) - { -- void __user *handler; -+ __sighandler_t handler; - - handler = sig_handler(t, sig); - -@@ -372,6 +372,9 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi - atomic_inc(&user->sigpending); - rcu_read_unlock(); - -+ if (!override_rlimit) -+ gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1); -+ - if (override_rlimit || - atomic_read(&user->sigpending) <= - task_rlimit(t, RLIMIT_SIGPENDING)) { -@@ -499,7 +502,7 @@ flush_signal_handlers(struct task_struct *t, int force_default) - - int unhandled_signal(struct task_struct *tsk, int sig) - { -- void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; -+ __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler; - if (is_global_init(tsk)) - return 1; - if (handler != SIG_IGN && handler != SIG_DFL) -@@ -793,6 +796,13 @@ static int check_kill_permission(int sig, struct siginfo *info, - } - } - -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if ((info == SEND_SIG_NOINFO || info->si_code != SI_TKILL || -+ sig != (SIGRTMIN+1) || task_tgid_vnr(t) != info->si_pid) -+ && gr_handle_signal(t, sig)) -+ return -EPERM; -+ - return security_task_kill(t, info, sig, 0); - } - -@@ -1176,7 +1186,7 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p) - return send_signal(sig, info, p, 1); - } - --static int -+int - specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t) - { - return send_signal(sig, info, t, 0); -@@ -1213,6 +1223,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t) - unsigned long int flags; - int ret, blocked, ignored; - struct k_sigaction *action; -+ int is_unhandled = 0; - - spin_lock_irqsave(&t->sighand->siglock, flags); - action = &t->sighand->action[sig-1]; -@@ -1227,9 +1238,18 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t) - } - if (action->sa.sa_handler == SIG_DFL) - t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL) -+ is_unhandled = 1; - ret = specific_send_sig_info(sig, info, t); - spin_unlock_irqrestore(&t->sighand->siglock, flags); - -+ /* only deal with unhandled signals, java etc trigger SIGSEGV during -+ normal operation */ -+ if (is_unhandled) { -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t); -+ gr_handle_crash(t, sig); -+ } -+ - return ret; - } - -@@ -1310,8 +1330,11 @@ int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p) - ret = check_kill_permission(sig, info, p); - rcu_read_unlock(); - -- if (!ret && sig) -+ if (!ret && sig) { - ret = do_send_sig_info(sig, info, p, true); -+ if (!ret) -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p); -+ } - - return ret; - } -@@ -2918,7 +2941,15 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info) - int error = -ESRCH; - - rcu_read_lock(); -- p = find_task_by_vpid(pid); -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL && -+ sig == (SIGRTMIN+1) && tgid == info->si_pid) -+ p = find_task_by_vpid_unrestricted(pid); -+ else -+#endif -+ p = find_task_by_vpid(pid); - if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) { - error = check_kill_permission(sig, info, p); - /* -@@ -3247,8 +3278,8 @@ COMPAT_SYSCALL_DEFINE2(sigaltstack, - } - seg = get_fs(); - set_fs(KERNEL_DS); -- ret = do_sigaltstack((stack_t __force __user *) (uss_ptr ? &uss : NULL), -- (stack_t __force __user *) &uoss, -+ ret = do_sigaltstack((stack_t __force_user *) (uss_ptr ? &uss : NULL), -+ (stack_t __force_user *) &uoss, - compat_user_stack_pointer()); - set_fs(seg); - if (ret >= 0 && uoss_ptr) { -diff --git a/kernel/smpboot.c b/kernel/smpboot.c -index c697f73..4ef1c25 100644 ---- a/kernel/smpboot.c -+++ b/kernel/smpboot.c -@@ -291,7 +291,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread) - } - smpboot_unpark_thread(plug_thread, cpu); - } -- list_add(&plug_thread->list, &hotplug_threads); -+ pax_list_add(&plug_thread->list, &hotplug_threads); - out: - mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); -@@ -309,7 +309,7 @@ void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread) - { - get_online_cpus(); - mutex_lock(&smpboot_threads_lock); -- list_del(&plug_thread->list); -+ pax_list_del(&plug_thread->list); - smpboot_destroy_threads(plug_thread); - mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); -diff --git a/kernel/softirq.c b/kernel/softirq.c -index 479e443..66d845e1 100644 ---- a/kernel/softirq.c -+++ b/kernel/softirq.c -@@ -53,7 +53,7 @@ irq_cpustat_t irq_stat[NR_CPUS] ____cacheline_aligned; - EXPORT_SYMBOL(irq_stat); - #endif - --static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp; -+static struct softirq_action softirq_vec[NR_SOFTIRQS] __read_only __aligned(PAGE_SIZE); - - DEFINE_PER_CPU(struct task_struct *, ksoftirqd); - -@@ -270,7 +270,7 @@ restart: - kstat_incr_softirqs_this_cpu(vec_nr); - - trace_softirq_entry(vec_nr); -- h->action(h); -+ h->action(); - trace_softirq_exit(vec_nr); - if (unlikely(prev_count != preempt_count())) { - pr_err("huh, entered softirq %u %s %p with preempt_count %08x, exited with %08x?\n", -@@ -430,7 +430,7 @@ void __raise_softirq_irqoff(unsigned int nr) - or_softirq_pending(1UL << nr); - } - --void open_softirq(int nr, void (*action)(struct softirq_action *)) -+void __init open_softirq(int nr, void (*action)(void)) - { - softirq_vec[nr].action = action; - } -@@ -482,7 +482,7 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t) - } - EXPORT_SYMBOL(__tasklet_hi_schedule_first); - --static void tasklet_action(struct softirq_action *a) -+static void tasklet_action(void) - { - struct tasklet_struct *list; - -@@ -518,7 +518,7 @@ static void tasklet_action(struct softirq_action *a) - } - } - --static void tasklet_hi_action(struct softirq_action *a) -+static __latent_entropy void tasklet_hi_action(void) - { - struct tasklet_struct *list; - -@@ -744,7 +744,7 @@ static struct notifier_block cpu_nfb = { - .notifier_call = cpu_callback - }; - --static struct smp_hotplug_thread softirq_threads = { -+static struct smp_hotplug_thread softirq_threads __read_only = { - .store = &ksoftirqd, - .thread_should_run = ksoftirqd_should_run, - .thread_fn = run_ksoftirqd, -diff --git a/kernel/sys.c b/kernel/sys.c -index a4e372b..766810e 100644 ---- a/kernel/sys.c -+++ b/kernel/sys.c -@@ -160,6 +160,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error) - error = -EACCES; - goto out; - } -+ -+ if (gr_handle_chroot_setpriority(p, niceval)) { -+ error = -EACCES; -+ goto out; -+ } -+ - no_nice = security_task_setnice(p, niceval); - if (no_nice) { - error = no_nice; -@@ -366,6 +372,20 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid) - goto error; - } - -+ if (gr_check_group_change(new->gid, new->egid, INVALID_GID)) -+ goto error; -+ -+ if (!gid_eq(new->gid, old->gid)) { -+ /* make sure we generate a learn log for what will -+ end up being a role transition after a full-learning -+ policy is generated -+ CAP_SETGID is required to perform a transition -+ we may not log a CAP_SETGID check above, e.g. -+ in the case where new rgid = old egid -+ */ -+ gr_learn_cap(current, new, CAP_SETGID); -+ } -+ - if (rgid != (gid_t) -1 || - (egid != (gid_t) -1 && !gid_eq(kegid, old->gid))) - new->sgid = new->egid; -@@ -401,6 +421,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_group_change(kgid, kgid, kgid)) -+ goto error; -+ - if (ns_capable(old->user_ns, CAP_SETGID)) - new->gid = new->egid = new->sgid = new->fsgid = kgid; - else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid)) -@@ -418,7 +442,7 @@ error: - /* - * change the user struct in a credentials set to match the new UID - */ --static int set_user(struct cred *new) -+int set_user(struct cred *new) - { - struct user_struct *new_user; - -@@ -498,7 +522,18 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid) - goto error; - } - -+ if (gr_check_user_change(new->uid, new->euid, INVALID_UID)) -+ goto error; -+ - if (!uid_eq(new->uid, old->uid)) { -+ /* make sure we generate a learn log for what will -+ end up being a role transition after a full-learning -+ policy is generated -+ CAP_SETUID is required to perform a transition -+ we may not log a CAP_SETUID check above, e.g. -+ in the case where new ruid = old euid -+ */ -+ gr_learn_cap(current, new, CAP_SETUID); - retval = set_user(new); - if (retval < 0) - goto error; -@@ -548,6 +583,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_crash_uid(kuid)) -+ goto error; -+ if (gr_check_user_change(kuid, kuid, kuid)) -+ goto error; -+ - if (ns_capable(old->user_ns, CAP_SETUID)) { - new->suid = new->uid = kuid; - if (!uid_eq(kuid, old->uid)) { -@@ -617,6 +658,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) - goto error; - } - -+ if (gr_check_user_change(kruid, keuid, INVALID_UID)) -+ goto error; -+ - if (ruid != (uid_t) -1) { - new->uid = kruid; - if (!uid_eq(kruid, old->uid)) { -@@ -701,6 +745,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) - goto error; - } - -+ if (gr_check_group_change(krgid, kegid, INVALID_GID)) -+ goto error; -+ - if (rgid != (gid_t) -1) - new->gid = krgid; - if (egid != (gid_t) -1) -@@ -765,12 +812,16 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid) - uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) || - ns_capable(old->user_ns, CAP_SETUID)) { - if (!uid_eq(kuid, old->fsuid)) { -+ if (gr_check_user_change(INVALID_UID, INVALID_UID, kuid)) -+ goto error; -+ - new->fsuid = kuid; - if (security_task_fix_setuid(new, old, LSM_SETID_FS) == 0) - goto change_okay; - } - } - -+error: - abort_creds(new); - return old_fsuid; - -@@ -803,12 +854,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid) - if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->egid) || - gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) || - ns_capable(old->user_ns, CAP_SETGID)) { -+ if (gr_check_group_change(INVALID_GID, INVALID_GID, kgid)) -+ goto error; -+ - if (!gid_eq(kgid, old->fsgid)) { - new->fsgid = kgid; - goto change_okay; - } - } - -+error: - abort_creds(new); - return old_fsgid; - -@@ -1187,19 +1242,19 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name) - return -EFAULT; - - down_read(&uts_sem); -- error = __copy_to_user(&name->sysname, &utsname()->sysname, -+ error = __copy_to_user(name->sysname, &utsname()->sysname, - __OLD_UTS_LEN); - error |= __put_user(0, name->sysname + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->nodename, &utsname()->nodename, -+ error |= __copy_to_user(name->nodename, &utsname()->nodename, - __OLD_UTS_LEN); - error |= __put_user(0, name->nodename + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->release, &utsname()->release, -+ error |= __copy_to_user(name->release, &utsname()->release, - __OLD_UTS_LEN); - error |= __put_user(0, name->release + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->version, &utsname()->version, -+ error |= __copy_to_user(name->version, &utsname()->version, - __OLD_UTS_LEN); - error |= __put_user(0, name->version + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->machine, &utsname()->machine, -+ error |= __copy_to_user(name->machine, &utsname()->machine, - __OLD_UTS_LEN); - error |= __put_user(0, name->machine + __OLD_UTS_LEN); - up_read(&uts_sem); -@@ -1400,6 +1455,13 @@ int do_prlimit(struct task_struct *tsk, unsigned int resource, - */ - new_rlim->rlim_cur = 1; - } -+ /* Handle the case where a fork and setuid occur and then RLIMIT_NPROC -+ is changed to a lower value. Since tasks can be created by the same -+ user in between this limit change and an execve by this task, force -+ a recheck only for this task by setting PF_NPROC_EXCEEDED -+ */ -+ if (resource == RLIMIT_NPROC && tsk->real_cred->user != INIT_USER) -+ tsk->flags |= PF_NPROC_EXCEEDED; - } - if (!retval) { - if (old_rlim) -diff --git a/kernel/sysctl.c b/kernel/sysctl.c -index c3eee4c..2e53ad1 100644 ---- a/kernel/sysctl.c -+++ b/kernel/sysctl.c -@@ -94,7 +94,6 @@ - #endif - - #if defined(CONFIG_SYSCTL) -- - /* External variables not in a header file. */ - extern int suid_dumpable; - #ifdef CONFIG_COREDUMP -@@ -111,22 +110,24 @@ extern int sysctl_nr_open_min, sysctl_nr_open_max; - #ifndef CONFIG_MMU - extern int sysctl_nr_trim_pages; - #endif -+extern int sysctl_modify_ldt; - - /* Constants used for minimum and maximum */ - #ifdef CONFIG_LOCKUP_DETECTOR --static int sixty = 60; -+static int sixty __read_only = 60; - #endif - --static int __maybe_unused neg_one = -1; -+static int __maybe_unused neg_one __read_only = -1; - --static int zero; --static int __maybe_unused one = 1; --static int __maybe_unused two = 2; --static int __maybe_unused four = 4; --static unsigned long one_ul = 1; --static int one_hundred = 100; -+static int zero __read_only = 0; -+static int __maybe_unused one __read_only = 1; -+static int __maybe_unused two __read_only = 2; -+static int __maybe_unused three __read_only = 3; -+static int __maybe_unused four __read_only = 4; -+static unsigned long one_ul __read_only = 1; -+static int one_hundred __read_only = 100; - #ifdef CONFIG_PRINTK --static int ten_thousand = 10000; -+static int ten_thousand __read_only = 10000; - #endif - - /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ -@@ -180,10 +181,8 @@ static int proc_taint(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); - #endif - --#ifdef CONFIG_PRINTK --static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, -+static int proc_dointvec_minmax_secure_sysadmin(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); --#endif - - static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); -@@ -214,6 +213,8 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write, - - #endif - -+extern struct ctl_table grsecurity_table[]; -+ - static struct ctl_table kern_table[]; - static struct ctl_table vm_table[]; - static struct ctl_table fs_table[]; -@@ -228,6 +229,20 @@ extern struct ctl_table epoll_table[]; - int sysctl_legacy_va_layout; - #endif - -+#ifdef CONFIG_PAX_SOFTMODE -+static struct ctl_table pax_table[] = { -+ { -+ .procname = "softmode", -+ .data = &pax_softmode, -+ .maxlen = sizeof(unsigned int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ -+ { } -+}; -+#endif -+ - /* The default sysctl tables: */ - - static struct ctl_table sysctl_base_table[] = { -@@ -276,6 +291,22 @@ static int max_extfrag_threshold = 1000; - #endif - - static struct ctl_table kern_table[] = { -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) -+ { -+ .procname = "grsecurity", -+ .mode = 0500, -+ .child = grsecurity_table, -+ }, -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ { -+ .procname = "pax", -+ .mode = 0500, -+ .child = pax_table, -+ }, -+#endif -+ - { - .procname = "sched_child_runs_first", - .data = &sysctl_sched_child_runs_first, -@@ -637,7 +668,7 @@ static struct ctl_table kern_table[] = { - .maxlen = sizeof(int), - .mode = 0644, - /* only handle a transition from default "0" to "1" */ -- .proc_handler = proc_dointvec_minmax, -+ .proc_handler = proc_dointvec_minmax_secure, - .extra1 = &one, - .extra2 = &one, - }, -@@ -648,7 +679,7 @@ static struct ctl_table kern_table[] = { - .data = &modprobe_path, - .maxlen = KMOD_PATH_LEN, - .mode = 0644, -- .proc_handler = proc_dostring, -+ .proc_handler = proc_dostring_modpriv, - }, - { - .procname = "modules_disabled", -@@ -656,7 +687,7 @@ static struct ctl_table kern_table[] = { - .maxlen = sizeof(int), - .mode = 0644, - /* only handle a transition from default "0" to "1" */ -- .proc_handler = proc_dointvec_minmax, -+ .proc_handler = proc_dointvec_minmax_secure, - .extra1 = &one, - .extra2 = &one, - }, -@@ -811,20 +842,24 @@ static struct ctl_table kern_table[] = { - .data = &dmesg_restrict, - .maxlen = sizeof(int), - .mode = 0644, -- .proc_handler = proc_dointvec_minmax_sysadmin, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, - .extra1 = &zero, - .extra2 = &one, - }, -+#endif - { - .procname = "kptr_restrict", - .data = &kptr_restrict, - .maxlen = sizeof(int), - .mode = 0644, -- .proc_handler = proc_dointvec_minmax_sysadmin, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ .extra1 = &two, -+#else - .extra1 = &zero, -+#endif - .extra2 = &two, - }, --#endif - { - .procname = "ngroups_max", - .data = &ngroups_max, -@@ -962,6 +997,15 @@ static struct ctl_table kern_table[] = { - .mode = 0644, - .proc_handler = proc_dointvec, - }, -+ { -+ .procname = "modify_ldt", -+ .data = &sysctl_modify_ldt, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+ .extra1 = &zero, -+ .extra2 = &one, -+ }, - #endif - #if defined(CONFIG_MMU) - { -@@ -1084,10 +1128,17 @@ static struct ctl_table kern_table[] = { - */ - { - .procname = "perf_event_paranoid", -- .data = &sysctl_perf_event_paranoid, -- .maxlen = sizeof(sysctl_perf_event_paranoid), -+ .data = &sysctl_perf_event_legitimately_concerned, -+ .maxlen = sizeof(sysctl_perf_event_legitimately_concerned), - .mode = 0644, -- .proc_handler = proc_dointvec, -+ /* go ahead, be a hero */ -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+ .extra1 = &neg_one, -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+ .extra2 = &three, -+#else -+ .extra2 = &two, -+#endif - }, - { - .procname = "perf_event_mlock_kb", -@@ -1369,6 +1420,13 @@ static struct ctl_table vm_table[] = { - .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - }, -+ { -+ .procname = "heap_stack_gap", -+ .data = &sysctl_heap_stack_gap, -+ .maxlen = sizeof(sysctl_heap_stack_gap), -+ .mode = 0644, -+ .proc_handler = proc_doulongvec_minmax, -+ }, - #else - { - .procname = "nr_trim_pages", -@@ -1845,6 +1903,16 @@ int proc_dostring(struct ctl_table *table, int write, - (char __user *)buffer, lenp, ppos); - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ if (write && !capable(CAP_SYS_MODULE)) -+ return -EPERM; -+ -+ return _proc_do_string(table->data, table->maxlen, write, -+ buffer, lenp, ppos); -+} -+ - static size_t proc_skip_spaces(char **buf) - { - size_t ret; -@@ -1950,6 +2018,8 @@ static int proc_put_long(void __user **buf, size_t *size, unsigned long val, - len = strlen(tmp); - if (len > *size) - len = *size; -+ if (len > sizeof(tmp)) -+ len = sizeof(tmp); - if (copy_to_user(*buf, tmp, len)) - return -EFAULT; - *size -= len; -@@ -1988,7 +2058,7 @@ static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, - int val = *valp; - if (val < 0) { - *negp = true; -- *lvalp = (unsigned long)-val; -+ *lvalp = -(unsigned long)val; - } else { - *negp = false; - *lvalp = (unsigned long)val; -@@ -2128,6 +2198,44 @@ int proc_dointvec(struct ctl_table *table, int write, - NULL,NULL); - } - -+static int do_proc_dointvec_conv_secure(bool *negp, unsigned long *lvalp, -+ int *valp, -+ int write, void *data) -+{ -+ if (write) { -+ if (*negp) { -+ if (*lvalp > (unsigned long) INT_MAX + 1) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = -*lvalp; -+ pax_close_kernel(); -+ } else { -+ if (*lvalp > (unsigned long) INT_MAX) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = *lvalp; -+ pax_close_kernel(); -+ } -+ } else { -+ int val = *valp; -+ if (val < 0) { -+ *negp = true; -+ *lvalp = -(unsigned long)val; -+ } else { -+ *negp = false; -+ *lvalp = (unsigned long)val; -+ } -+ } -+ return 0; -+} -+ -+int proc_dointvec_secure(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ return do_proc_dointvec(table,write,buffer,lenp,ppos, -+ do_proc_dointvec_conv_secure,NULL); -+} -+ - /* - * Taint values can only be increased - * This means we can safely use a temporary. -@@ -2135,7 +2243,7 @@ int proc_dointvec(struct ctl_table *table, int write, - static int proc_taint(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - unsigned long tmptaint = get_taint(); - int err; - -@@ -2163,16 +2271,14 @@ static int proc_taint(struct ctl_table *table, int write, - return err; - } - --#ifdef CONFIG_PRINTK --static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, -+static int proc_dointvec_minmax_secure_sysadmin(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - if (write && !capable(CAP_SYS_ADMIN)) - return -EPERM; - -- return proc_dointvec_minmax(table, write, buffer, lenp, ppos); -+ return proc_dointvec_minmax_secure(table, write, buffer, lenp, ppos); - } --#endif - - struct do_proc_dointvec_minmax_conv_param { - int *min; -@@ -2194,7 +2300,33 @@ static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, - int val = *valp; - if (val < 0) { - *negp = true; -- *lvalp = (unsigned long)-val; -+ *lvalp = -(unsigned long)val; -+ } else { -+ *negp = false; -+ *lvalp = (unsigned long)val; -+ } -+ } -+ return 0; -+} -+ -+static int do_proc_dointvec_minmax_conv_secure(bool *negp, unsigned long *lvalp, -+ int *valp, -+ int write, void *data) -+{ -+ struct do_proc_dointvec_minmax_conv_param *param = data; -+ if (write) { -+ int val = *negp ? -*lvalp : *lvalp; -+ if ((param->min && *param->min > val) || -+ (param->max && *param->max < val)) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = val; -+ pax_close_kernel(); -+ } else { -+ int val = *valp; -+ if (val < 0) { -+ *negp = true; -+ *lvalp = -(unsigned long)val; - } else { - *negp = false; - *lvalp = (unsigned long)val; -@@ -2230,6 +2362,17 @@ int proc_dointvec_minmax(struct ctl_table *table, int write, - do_proc_dointvec_minmax_conv, &param); - } - -+int proc_dointvec_minmax_secure(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ struct do_proc_dointvec_minmax_conv_param param = { -+ .min = (int *) table->extra1, -+ .max = (int *) table->extra2, -+ }; -+ return do_proc_dointvec(table, write, buffer, lenp, ppos, -+ do_proc_dointvec_minmax_conv_secure, &param); -+} -+ - static void validate_coredump_safety(void) - { - #ifdef CONFIG_COREDUMP -@@ -2429,7 +2572,7 @@ static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2452,7 +2595,7 @@ static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2477,7 +2620,7 @@ static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2732,6 +2875,12 @@ int proc_dostring(struct ctl_table *table, int write, - return -ENOSYS; - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ return -ENOSYS; -+} -+ - int proc_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -@@ -2788,5 +2937,6 @@ EXPORT_SYMBOL(proc_dointvec_minmax); - EXPORT_SYMBOL(proc_dointvec_userhz_jiffies); - EXPORT_SYMBOL(proc_dointvec_ms_jiffies); - EXPORT_SYMBOL(proc_dostring); -+EXPORT_SYMBOL(proc_dostring_modpriv); - EXPORT_SYMBOL(proc_doulongvec_minmax); - EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax); -diff --git a/kernel/taskstats.c b/kernel/taskstats.c -index 21f82c2..c1984e5 100644 ---- a/kernel/taskstats.c -+++ b/kernel/taskstats.c -@@ -28,9 +28,12 @@ - #include <linux/fs.h> - #include <linux/file.h> - #include <linux/pid_namespace.h> -+#include <linux/grsecurity.h> - #include <net/genetlink.h> - #include <linux/atomic.h> - -+extern int gr_is_taskstats_denied(int pid); -+ - /* - * Maximum length of a cpumask that can be specified in - * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute -@@ -567,6 +570,9 @@ err: - - static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info) - { -+ if (gr_is_taskstats_denied(current->pid)) -+ return -EACCES; -+ - if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK]) - return cmd_attr_register_cpumask(info); - else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK]) -diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c -index 1b001ed..55ef9e4 100644 ---- a/kernel/time/alarmtimer.c -+++ b/kernel/time/alarmtimer.c -@@ -823,7 +823,7 @@ static int __init alarmtimer_init(void) - struct platform_device *pdev; - int error = 0; - int i; -- struct k_clock alarm_clock = { -+ static struct k_clock alarm_clock = { - .clock_getres = alarm_clock_getres, - .clock_get = alarm_clock_get, - .timer_create = alarm_timer_create, -diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c -index 93ef7190..7c85701 100644 ---- a/kernel/time/hrtimer.c -+++ b/kernel/time/hrtimer.c -@@ -1393,7 +1393,7 @@ void hrtimer_peek_ahead_timers(void) - local_irq_restore(flags); - } - --static void run_hrtimer_softirq(struct softirq_action *h) -+static __latent_entropy void run_hrtimer_softirq(void) - { - hrtimer_peek_ahead_timers(); - } -diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c -index 0075da7..63cc872 100644 ---- a/kernel/time/posix-cpu-timers.c -+++ b/kernel/time/posix-cpu-timers.c -@@ -1449,14 +1449,14 @@ struct k_clock clock_posix_cpu = { - - static __init int init_posix_cpu_timers(void) - { -- struct k_clock process = { -+ static struct k_clock process = { - .clock_getres = process_cpu_clock_getres, - .clock_get = process_cpu_clock_get, - .timer_create = process_cpu_timer_create, - .nsleep = process_cpu_nsleep, - .nsleep_restart = process_cpu_nsleep_restart, - }; -- struct k_clock thread = { -+ static struct k_clock thread = { - .clock_getres = thread_cpu_clock_getres, - .clock_get = thread_cpu_clock_get, - .timer_create = thread_cpu_timer_create, -diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c -index 31ea01f..7fc61ef 100644 ---- a/kernel/time/posix-timers.c -+++ b/kernel/time/posix-timers.c -@@ -43,6 +43,7 @@ - #include <linux/hash.h> - #include <linux/posix-clock.h> - #include <linux/posix-timers.h> -+#include <linux/grsecurity.h> - #include <linux/syscalls.h> - #include <linux/wait.h> - #include <linux/workqueue.h> -@@ -124,7 +125,7 @@ static DEFINE_SPINLOCK(hash_lock); - * which we beg off on and pass to do_sys_settimeofday(). - */ - --static struct k_clock posix_clocks[MAX_CLOCKS]; -+static struct k_clock *posix_clocks[MAX_CLOCKS]; - - /* - * These ones are defined below. -@@ -277,7 +278,7 @@ static int posix_get_tai(clockid_t which_clock, struct timespec *tp) - */ - static __init int init_posix_timers(void) - { -- struct k_clock clock_realtime = { -+ static struct k_clock clock_realtime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_clock_realtime_get, - .clock_set = posix_clock_realtime_set, -@@ -289,7 +290,7 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic = { -+ static struct k_clock clock_monotonic = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_ktime_get_ts, - .nsleep = common_nsleep, -@@ -299,19 +300,19 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic_raw = { -+ static struct k_clock clock_monotonic_raw = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_monotonic_raw, - }; -- struct k_clock clock_realtime_coarse = { -+ static struct k_clock clock_realtime_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_realtime_coarse, - }; -- struct k_clock clock_monotonic_coarse = { -+ static struct k_clock clock_monotonic_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_monotonic_coarse, - }; -- struct k_clock clock_tai = { -+ static struct k_clock clock_tai = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_tai, - .nsleep = common_nsleep, -@@ -321,7 +322,7 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_boottime = { -+ static struct k_clock clock_boottime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_boottime, - .nsleep = common_nsleep, -@@ -533,7 +534,7 @@ void posix_timers_register_clock(const clockid_t clock_id, - return; - } - -- posix_clocks[clock_id] = *new_clock; -+ posix_clocks[clock_id] = new_clock; - } - EXPORT_SYMBOL_GPL(posix_timers_register_clock); - -@@ -579,9 +580,9 @@ static struct k_clock *clockid_to_kclock(const clockid_t id) - return (id & CLOCKFD_MASK) == CLOCKFD ? - &clock_posix_dynamic : &clock_posix_cpu; - -- if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres) -+ if (id >= MAX_CLOCKS || !posix_clocks[id] || !posix_clocks[id]->clock_getres) - return NULL; -- return &posix_clocks[id]; -+ return posix_clocks[id]; - } - - static int common_timer_create(struct k_itimer *new_timer) -@@ -599,7 +600,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, - struct k_clock *kc = clockid_to_kclock(which_clock); - struct k_itimer *new_timer; - int error, new_timer_id; -- sigevent_t event; -+ sigevent_t event = { }; - int it_id_set = IT_ID_NOT_SET; - - if (!kc) -@@ -1014,6 +1015,13 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock, - if (copy_from_user(&new_tp, tp, sizeof (*tp))) - return -EFAULT; - -+ /* only the CLOCK_REALTIME clock can be set, all other clocks -+ have their clock_set fptr set to a nosettime dummy function -+ CLOCK_REALTIME has a NULL clock_set fptr which causes it to -+ call common_clock_set, which calls do_sys_settimeofday, which -+ we hook -+ */ -+ - return kc->clock_set(which_clock, &new_tp); - } - -diff --git a/kernel/time/time.c b/kernel/time/time.c -index 2c85b77..6530536 100644 ---- a/kernel/time/time.c -+++ b/kernel/time/time.c -@@ -173,6 +173,11 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz) - return error; - - if (tz) { -+ /* we log in do_settimeofday called below, so don't log twice -+ */ -+ if (!tv) -+ gr_log_timechange(); -+ - sys_tz = *tz; - update_vsyscall_tz(); - if (firsttime) { -diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c -index 946acb7..1e13c0f 100644 ---- a/kernel/time/timekeeping.c -+++ b/kernel/time/timekeeping.c -@@ -15,6 +15,7 @@ - #include <linux/init.h> - #include <linux/mm.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include <linux/syscore_ops.h> - #include <linux/clocksource.h> - #include <linux/jiffies.h> -@@ -915,6 +916,8 @@ int do_settimeofday64(const struct timespec64 *ts) - if (!timespec64_valid_strict(ts)) - return -EINVAL; - -+ gr_log_timechange(); -+ - raw_spin_lock_irqsave(&timekeeper_lock, flags); - write_seqcount_begin(&tk_core.seq); - -diff --git a/kernel/time/timer.c b/kernel/time/timer.c -index 2ece3aa..055a295 100644 ---- a/kernel/time/timer.c -+++ b/kernel/time/timer.c -@@ -1405,7 +1405,7 @@ void update_process_times(int user_tick) - /* - * This function runs timers and the timer-tq in bottom half context. - */ --static void run_timer_softirq(struct softirq_action *h) -+static __latent_entropy void run_timer_softirq(void) - { - struct tvec_base *base = __this_cpu_read(tvec_bases); - -@@ -1468,7 +1468,7 @@ static void process_timeout(unsigned long __data) - * - * In all cases the return value is guaranteed to be non-negative. - */ --signed long __sched schedule_timeout(signed long timeout) -+signed long __sched __intentional_overflow(-1) schedule_timeout(signed long timeout) - { - struct timer_list timer; - unsigned long expire; -diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c -index e878c2e..cf1546bb 100644 ---- a/kernel/time/timer_list.c -+++ b/kernel/time/timer_list.c -@@ -45,12 +45,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases); - - static void print_name_offset(struct seq_file *m, void *sym) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name((unsigned long)sym, symname) < 0) - SEQ_printf(m, "<%pK>", sym); - else - SEQ_printf(m, "%s", symname); -+#endif - } - - static void -@@ -119,7 +123,11 @@ next_one: - static void - print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, " .base: %p\n", NULL); -+#else - SEQ_printf(m, " .base: %pK\n", base); -+#endif - SEQ_printf(m, " .index: %d\n", - base->index); - SEQ_printf(m, " .resolution: %Lu nsecs\n", -@@ -388,7 +396,11 @@ static int __init init_timer_list_procfs(void) - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops); -+#else - pe = proc_create("timer_list", 0444, NULL, &timer_list_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c -index 1fb08f2..ca4bb1e 100644 ---- a/kernel/time/timer_stats.c -+++ b/kernel/time/timer_stats.c -@@ -116,7 +116,7 @@ static ktime_t time_start, time_stop; - static unsigned long nr_entries; - static struct entry entries[MAX_ENTRIES]; - --static atomic_t overflow_count; -+static atomic_unchecked_t overflow_count; - - /* - * The entries are in a hash-table, for fast lookup: -@@ -140,7 +140,7 @@ static void reset_entries(void) - nr_entries = 0; - memset(entries, 0, sizeof(entries)); - memset(tstat_hash_table, 0, sizeof(tstat_hash_table)); -- atomic_set(&overflow_count, 0); -+ atomic_set_unchecked(&overflow_count, 0); - } - - static struct entry *alloc_entry(void) -@@ -261,7 +261,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf, - if (likely(entry)) - entry->count++; - else -- atomic_inc(&overflow_count); -+ atomic_inc_unchecked(&overflow_count); - - out_unlock: - raw_spin_unlock_irqrestore(lock, flags); -@@ -269,12 +269,16 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf, - - static void print_name_offset(struct seq_file *m, unsigned long addr) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name(addr, symname) < 0) -- seq_printf(m, "<%p>", (void *)addr); -+ seq_printf(m, "<%pK>", (void *)addr); - else - seq_printf(m, "%s", symname); -+#endif - } - - static int tstats_show(struct seq_file *m, void *v) -@@ -300,8 +304,8 @@ static int tstats_show(struct seq_file *m, void *v) - - seq_puts(m, "Timer Stats Version: v0.3\n"); - seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms); -- if (atomic_read(&overflow_count)) -- seq_printf(m, "Overflow: %d entries\n", atomic_read(&overflow_count)); -+ if (atomic_read_unchecked(&overflow_count)) -+ seq_printf(m, "Overflow: %d entries\n", atomic_read_unchecked(&overflow_count)); - seq_printf(m, "Collection: %s\n", timer_stats_active ? "active" : "inactive"); - - for (i = 0; i < nr_entries; i++) { -@@ -417,7 +421,11 @@ static int __init init_tstats_procfs(void) - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_stats", 0600, NULL, &tstats_fops); -+#else - pe = proc_create("timer_stats", 0644, NULL, &tstats_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff --git a/kernel/torture.c b/kernel/torture.c -index dd70993..0bf694b 100644 ---- a/kernel/torture.c -+++ b/kernel/torture.c -@@ -482,7 +482,7 @@ static int torture_shutdown_notify(struct notifier_block *unused1, - mutex_lock(&fullstop_mutex); - if (ACCESS_ONCE(fullstop) == FULLSTOP_DONTSTOP) { - VERBOSE_TOROUT_STRING("Unscheduled system shutdown detected"); -- ACCESS_ONCE(fullstop) = FULLSTOP_SHUTDOWN; -+ ACCESS_ONCE_RW(fullstop) = FULLSTOP_SHUTDOWN; - } else { - pr_warn("Concurrent rmmod and shutdown illegal!\n"); - } -@@ -549,14 +549,14 @@ static int torture_stutter(void *arg) - if (!torture_must_stop()) { - if (stutter > 1) { - schedule_timeout_interruptible(stutter - 1); -- ACCESS_ONCE(stutter_pause_test) = 2; -+ ACCESS_ONCE_RW(stutter_pause_test) = 2; - } - schedule_timeout_interruptible(1); -- ACCESS_ONCE(stutter_pause_test) = 1; -+ ACCESS_ONCE_RW(stutter_pause_test) = 1; - } - if (!torture_must_stop()) - schedule_timeout_interruptible(stutter); -- ACCESS_ONCE(stutter_pause_test) = 0; -+ ACCESS_ONCE_RW(stutter_pause_test) = 0; - torture_shutdown_absorb("torture_stutter"); - } while (!torture_must_stop()); - torture_kthread_stopping("torture_stutter"); -@@ -648,7 +648,7 @@ bool torture_cleanup_begin(void) - schedule_timeout_uninterruptible(10); - return true; - } -- ACCESS_ONCE(fullstop) = FULLSTOP_RMMOD; -+ ACCESS_ONCE_RW(fullstop) = FULLSTOP_RMMOD; - mutex_unlock(&fullstop_mutex); - torture_shutdown_cleanup(); - torture_shuffle_cleanup(); -diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c -index 483cecf..ac46091 100644 ---- a/kernel/trace/blktrace.c -+++ b/kernel/trace/blktrace.c -@@ -328,7 +328,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, - struct blk_trace *bt = filp->private_data; - char buf[16]; - -- snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped)); -+ snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped)); - - return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf)); - } -@@ -386,7 +386,7 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf, - return 1; - - bt = buf->chan->private_data; -- atomic_inc(&bt->dropped); -+ atomic_inc_unchecked(&bt->dropped); - return 0; - } - -@@ -487,7 +487,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev, - - bt->dir = dir; - bt->dev = dev; -- atomic_set(&bt->dropped, 0); -+ atomic_set_unchecked(&bt->dropped, 0); - INIT_LIST_HEAD(&bt->running_list); - - ret = -EIO; -diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c -index eb11011..43adc29 100644 ---- a/kernel/trace/ftrace.c -+++ b/kernel/trace/ftrace.c -@@ -2413,12 +2413,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec) - if (unlikely(ftrace_disabled)) - return 0; - -+ ret = ftrace_arch_code_modify_prepare(); -+ FTRACE_WARN_ON(ret); -+ if (ret) -+ return 0; -+ - ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); -+ FTRACE_WARN_ON(ftrace_arch_code_modify_post_process()); - if (ret) { - ftrace_bug(ret, rec); -- return 0; - } -- return 1; -+ return ret ? 0 : 1; - } - - /* -@@ -4807,8 +4812,10 @@ static int ftrace_process_locs(struct module *mod, - if (!count) - return 0; - -+ pax_open_kernel(); - sort(start, count, sizeof(*start), - ftrace_cmp_ips, ftrace_swap_ips); -+ pax_close_kernel(); - - start_pg = ftrace_allocate_pages(count); - if (!start_pg) -@@ -5675,7 +5682,7 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list) - - if (t->ret_stack == NULL) { - atomic_set(&t->tracing_graph_pause, 0); -- atomic_set(&t->trace_overrun, 0); -+ atomic_set_unchecked(&t->trace_overrun, 0); - t->curr_ret_stack = -1; - /* Make sure the tasks see the -1 first: */ - smp_wmb(); -@@ -5898,7 +5905,7 @@ static void - graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack) - { - atomic_set(&t->tracing_graph_pause, 0); -- atomic_set(&t->trace_overrun, 0); -+ atomic_set_unchecked(&t->trace_overrun, 0); - t->ftrace_timestamp = 0; - /* make curr_ret_stack visible before we add the ret_stack */ - smp_wmb(); -diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c -index 0315d43..2e5e9a2 100644 ---- a/kernel/trace/ring_buffer.c -+++ b/kernel/trace/ring_buffer.c -@@ -348,9 +348,9 @@ struct buffer_data_page { - */ - struct buffer_page { - struct list_head list; /* list of buffer pages */ -- local_t write; /* index for next write */ -+ local_unchecked_t write; /* index for next write */ - unsigned read; /* index for next read */ -- local_t entries; /* entries on this page */ -+ local_unchecked_t entries; /* entries on this page */ - unsigned long real_end; /* real end of data */ - struct buffer_data_page *page; /* Actual data page */ - }; -@@ -471,11 +471,11 @@ struct ring_buffer_per_cpu { - unsigned long last_overrun; - local_t entries_bytes; - local_t entries; -- local_t overrun; -- local_t commit_overrun; -- local_t dropped_events; -+ local_unchecked_t overrun; -+ local_unchecked_t commit_overrun; -+ local_unchecked_t dropped_events; - local_t committing; -- local_t commits; -+ local_unchecked_t commits; - unsigned long read; - unsigned long read_bytes; - u64 write_stamp; -@@ -1045,8 +1045,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, - * - * We add a counter to the write field to denote this. - */ -- old_write = local_add_return(RB_WRITE_INTCNT, &next_page->write); -- old_entries = local_add_return(RB_WRITE_INTCNT, &next_page->entries); -+ old_write = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->write); -+ old_entries = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->entries); - - /* - * Just make sure we have seen our old_write and synchronize -@@ -1074,8 +1074,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, - * cmpxchg to only update if an interrupt did not already - * do it for us. If the cmpxchg fails, we don't care. - */ -- (void)local_cmpxchg(&next_page->write, old_write, val); -- (void)local_cmpxchg(&next_page->entries, old_entries, eval); -+ (void)local_cmpxchg_unchecked(&next_page->write, old_write, val); -+ (void)local_cmpxchg_unchecked(&next_page->entries, old_entries, eval); - - /* - * No need to worry about races with clearing out the commit. -@@ -1443,12 +1443,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); - - static inline unsigned long rb_page_entries(struct buffer_page *bpage) - { -- return local_read(&bpage->entries) & RB_WRITE_MASK; -+ return local_read_unchecked(&bpage->entries) & RB_WRITE_MASK; - } - - static inline unsigned long rb_page_write(struct buffer_page *bpage) - { -- return local_read(&bpage->write) & RB_WRITE_MASK; -+ return local_read_unchecked(&bpage->write) & RB_WRITE_MASK; - } - - static int -@@ -1543,7 +1543,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) - * bytes consumed in ring buffer from here. - * Increment overrun to account for the lost events. - */ -- local_add(page_entries, &cpu_buffer->overrun); -+ local_add_unchecked(page_entries, &cpu_buffer->overrun); - local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); - } - -@@ -2105,7 +2105,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer, - * it is our responsibility to update - * the counters. - */ -- local_add(entries, &cpu_buffer->overrun); -+ local_add_unchecked(entries, &cpu_buffer->overrun); - local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); - - /* -@@ -2255,7 +2255,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - if (tail == BUF_PAGE_SIZE) - tail_page->real_end = 0; - -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - return; - } - -@@ -2290,7 +2290,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - rb_event_set_padding(event); - - /* Set the write back to the previous setting */ -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - return; - } - -@@ -2302,7 +2302,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - - /* Set write to end of buffer */ - length = (tail + length) - BUF_PAGE_SIZE; -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - } - - /* -@@ -2328,7 +2328,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - * about it. - */ - if (unlikely(next_page == commit_page)) { -- local_inc(&cpu_buffer->commit_overrun); -+ local_inc_unchecked(&cpu_buffer->commit_overrun); - goto out_reset; - } - -@@ -2358,7 +2358,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - * this is easy, just stop here. - */ - if (!(buffer->flags & RB_FL_OVERWRITE)) { -- local_inc(&cpu_buffer->dropped_events); -+ local_inc_unchecked(&cpu_buffer->dropped_events); - goto out_reset; - } - -@@ -2384,7 +2384,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - cpu_buffer->tail_page) && - (cpu_buffer->commit_page == - cpu_buffer->reader_page))) { -- local_inc(&cpu_buffer->commit_overrun); -+ local_inc_unchecked(&cpu_buffer->commit_overrun); - goto out_reset; - } - } -@@ -2432,7 +2432,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, - length += RB_LEN_TIME_EXTEND; - - tail_page = cpu_buffer->tail_page; -- write = local_add_return(length, &tail_page->write); -+ write = local_add_return_unchecked(length, &tail_page->write); - - /* set write to only the index of the write */ - write &= RB_WRITE_MASK; -@@ -2456,7 +2456,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, - kmemcheck_annotate_bitfield(event, bitfield); - rb_update_event(cpu_buffer, event, length, add_timestamp, delta); - -- local_inc(&tail_page->entries); -+ local_inc_unchecked(&tail_page->entries); - - /* - * If this is the first commit on the page, then update -@@ -2489,7 +2489,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - - if (bpage->page == (void *)addr && rb_page_write(bpage) == old_index) { - unsigned long write_mask = -- local_read(&bpage->write) & ~RB_WRITE_MASK; -+ local_read_unchecked(&bpage->write) & ~RB_WRITE_MASK; - unsigned long event_length = rb_event_length(event); - /* - * This is on the tail page. It is possible that -@@ -2499,7 +2499,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - */ - old_index += write_mask; - new_index += write_mask; -- index = local_cmpxchg(&bpage->write, old_index, new_index); -+ index = local_cmpxchg_unchecked(&bpage->write, old_index, new_index); - if (index == old_index) { - /* update counters */ - local_sub(event_length, &cpu_buffer->entries_bytes); -@@ -2514,7 +2514,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - static void rb_start_commit(struct ring_buffer_per_cpu *cpu_buffer) - { - local_inc(&cpu_buffer->committing); -- local_inc(&cpu_buffer->commits); -+ local_inc_unchecked(&cpu_buffer->commits); - } - - static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) -@@ -2526,7 +2526,7 @@ static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) - return; - - again: -- commits = local_read(&cpu_buffer->commits); -+ commits = local_read_unchecked(&cpu_buffer->commits); - /* synchronize with interrupts */ - barrier(); - if (local_read(&cpu_buffer->committing) == 1) -@@ -2542,7 +2542,7 @@ static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) - * updating of the commit page and the clearing of the - * committing counter. - */ -- if (unlikely(local_read(&cpu_buffer->commits) != commits) && -+ if (unlikely(local_read_unchecked(&cpu_buffer->commits) != commits) && - !local_read(&cpu_buffer->committing)) { - local_inc(&cpu_buffer->committing); - goto again; -@@ -2572,7 +2572,7 @@ rb_reserve_next_event(struct ring_buffer *buffer, - barrier(); - if (unlikely(ACCESS_ONCE(cpu_buffer->buffer) != buffer)) { - local_dec(&cpu_buffer->committing); -- local_dec(&cpu_buffer->commits); -+ local_dec_unchecked(&cpu_buffer->commits); - return NULL; - } - #endif -@@ -2898,7 +2898,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, - - /* Do the likely case first */ - if (likely(bpage->page == (void *)addr)) { -- local_dec(&bpage->entries); -+ local_dec_unchecked(&bpage->entries); - return; - } - -@@ -2910,7 +2910,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, - start = bpage; - do { - if (bpage->page == (void *)addr) { -- local_dec(&bpage->entries); -+ local_dec_unchecked(&bpage->entries); - return; - } - rb_inc_page(cpu_buffer, &bpage); -@@ -3194,7 +3194,7 @@ static inline unsigned long - rb_num_of_entries(struct ring_buffer_per_cpu *cpu_buffer) - { - return local_read(&cpu_buffer->entries) - -- (local_read(&cpu_buffer->overrun) + cpu_buffer->read); -+ (local_read_unchecked(&cpu_buffer->overrun) + cpu_buffer->read); - } - - /** -@@ -3283,7 +3283,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->overrun); -+ ret = local_read_unchecked(&cpu_buffer->overrun); - - return ret; - } -@@ -3306,7 +3306,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->commit_overrun); -+ ret = local_read_unchecked(&cpu_buffer->commit_overrun); - - return ret; - } -@@ -3328,7 +3328,7 @@ ring_buffer_dropped_events_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->dropped_events); -+ ret = local_read_unchecked(&cpu_buffer->dropped_events); - - return ret; - } -@@ -3391,7 +3391,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer) - /* if you care about this being correct, lock the buffer */ - for_each_buffer_cpu(buffer, cpu) { - cpu_buffer = buffer->buffers[cpu]; -- overruns += local_read(&cpu_buffer->overrun); -+ overruns += local_read_unchecked(&cpu_buffer->overrun); - } - - return overruns; -@@ -3562,8 +3562,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) - /* - * Reset the reader page to size zero. - */ -- local_set(&cpu_buffer->reader_page->write, 0); -- local_set(&cpu_buffer->reader_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->write, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->entries, 0); - local_set(&cpu_buffer->reader_page->page->commit, 0); - cpu_buffer->reader_page->real_end = 0; - -@@ -3597,7 +3597,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) - * want to compare with the last_overrun. - */ - smp_mb(); -- overwrite = local_read(&(cpu_buffer->overrun)); -+ overwrite = local_read_unchecked(&(cpu_buffer->overrun)); - - /* - * Here's the tricky part. -@@ -4169,8 +4169,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) - - cpu_buffer->head_page - = list_entry(cpu_buffer->pages, struct buffer_page, list); -- local_set(&cpu_buffer->head_page->write, 0); -- local_set(&cpu_buffer->head_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->head_page->write, 0); -+ local_set_unchecked(&cpu_buffer->head_page->entries, 0); - local_set(&cpu_buffer->head_page->page->commit, 0); - - cpu_buffer->head_page->read = 0; -@@ -4180,18 +4180,18 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) - - INIT_LIST_HEAD(&cpu_buffer->reader_page->list); - INIT_LIST_HEAD(&cpu_buffer->new_pages); -- local_set(&cpu_buffer->reader_page->write, 0); -- local_set(&cpu_buffer->reader_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->write, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->entries, 0); - local_set(&cpu_buffer->reader_page->page->commit, 0); - cpu_buffer->reader_page->read = 0; - - local_set(&cpu_buffer->entries_bytes, 0); -- local_set(&cpu_buffer->overrun, 0); -- local_set(&cpu_buffer->commit_overrun, 0); -- local_set(&cpu_buffer->dropped_events, 0); -+ local_set_unchecked(&cpu_buffer->overrun, 0); -+ local_set_unchecked(&cpu_buffer->commit_overrun, 0); -+ local_set_unchecked(&cpu_buffer->dropped_events, 0); - local_set(&cpu_buffer->entries, 0); - local_set(&cpu_buffer->committing, 0); -- local_set(&cpu_buffer->commits, 0); -+ local_set_unchecked(&cpu_buffer->commits, 0); - cpu_buffer->read = 0; - cpu_buffer->read_bytes = 0; - -@@ -4592,8 +4592,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer, - rb_init_page(bpage); - bpage = reader->page; - reader->page = *data_page; -- local_set(&reader->write, 0); -- local_set(&reader->entries, 0); -+ local_set_unchecked(&reader->write, 0); -+ local_set_unchecked(&reader->entries, 0); - reader->read = 0; - *data_page = bpage; - -diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c -index 0533049..85e27f0 100644 ---- a/kernel/trace/trace.c -+++ b/kernel/trace/trace.c -@@ -3538,7 +3538,7 @@ int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set) - return 0; - } - --int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled) -+int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled) - { - /* do nothing if flag is already set */ - if (!!(trace_flags & mask) == !!enabled) -diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h -index 921691c..64e1da1 100644 ---- a/kernel/trace/trace.h -+++ b/kernel/trace/trace.h -@@ -1272,7 +1272,7 @@ extern const char *__stop___tracepoint_str[]; - void trace_printk_init_buffers(void); - void trace_printk_start_comm(void); - int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set); --int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled); -+int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled); - - /* - * Normal trace_printk() and friends allocates special buffers -diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c -index 57b67b1..66082a9 100644 ---- a/kernel/trace/trace_clock.c -+++ b/kernel/trace/trace_clock.c -@@ -124,7 +124,7 @@ u64 notrace trace_clock_global(void) - return now; - } - --static atomic64_t trace_counter; -+static atomic64_unchecked_t trace_counter; - - /* - * trace_clock_counter(): simply an atomic counter. -@@ -133,5 +133,5 @@ static atomic64_t trace_counter; - */ - u64 notrace trace_clock_counter(void) - { -- return atomic64_add_return(1, &trace_counter); -+ return atomic64_inc_return_unchecked(&trace_counter); - } -diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c -index c4de47f..5f134b8 100644 ---- a/kernel/trace/trace_events.c -+++ b/kernel/trace/trace_events.c -@@ -1887,7 +1887,6 @@ __trace_early_add_new_event(struct ftrace_event_call *call, - return 0; - } - --struct ftrace_module_file_ops; - static void __add_event_to_tracers(struct ftrace_event_call *call); - - /* Add an additional event_call dynamically */ -diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c -index a51e796..1f32ebd 100644 ---- a/kernel/trace/trace_functions_graph.c -+++ b/kernel/trace/trace_functions_graph.c -@@ -132,7 +132,7 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth, - - /* The return trace stack is full */ - if (current->curr_ret_stack == FTRACE_RETFUNC_DEPTH - 1) { -- atomic_inc(&current->trace_overrun); -+ atomic_inc_unchecked(&current->trace_overrun); - return -EBUSY; - } - -@@ -229,7 +229,7 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret, - *ret = current->ret_stack[index].ret; - trace->func = current->ret_stack[index].func; - trace->calltime = current->ret_stack[index].calltime; -- trace->overrun = atomic_read(&current->trace_overrun); -+ trace->overrun = atomic_read_unchecked(&current->trace_overrun); - trace->depth = index; - } - -diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c -index 7a9ba62..2e0e4a1 100644 ---- a/kernel/trace/trace_mmiotrace.c -+++ b/kernel/trace/trace_mmiotrace.c -@@ -24,7 +24,7 @@ struct header_iter { - static struct trace_array *mmio_trace_array; - static bool overrun_detected; - static unsigned long prev_overruns; --static atomic_t dropped_count; -+static atomic_unchecked_t dropped_count; - - static void mmio_reset_data(struct trace_array *tr) - { -@@ -124,7 +124,7 @@ static void mmio_close(struct trace_iterator *iter) - - static unsigned long count_overruns(struct trace_iterator *iter) - { -- unsigned long cnt = atomic_xchg(&dropped_count, 0); -+ unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0); - unsigned long over = ring_buffer_overruns(iter->trace_buffer->buffer); - - if (over > prev_overruns) -@@ -307,7 +307,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -@@ -337,7 +337,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr, - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c -index 25a086b..a918131 100644 ---- a/kernel/trace/trace_output.c -+++ b/kernel/trace/trace_output.c -@@ -752,14 +752,16 @@ int register_ftrace_event(struct trace_event *event) - goto out; - } - -+ pax_open_kernel(); - if (event->funcs->trace == NULL) -- event->funcs->trace = trace_nop_print; -+ *(void **)&event->funcs->trace = trace_nop_print; - if (event->funcs->raw == NULL) -- event->funcs->raw = trace_nop_print; -+ *(void **)&event->funcs->raw = trace_nop_print; - if (event->funcs->hex == NULL) -- event->funcs->hex = trace_nop_print; -+ *(void **)&event->funcs->hex = trace_nop_print; - if (event->funcs->binary == NULL) -- event->funcs->binary = trace_nop_print; -+ *(void **)&event->funcs->binary = trace_nop_print; -+ pax_close_kernel(); - - key = event->type & (EVENT_HASHSIZE - 1); - -diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c -index e694c9f..6775a38 100644 ---- a/kernel/trace/trace_seq.c -+++ b/kernel/trace/trace_seq.c -@@ -337,7 +337,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path) - return 0; - } - -- seq_buf_path(&s->seq, path, "\n"); -+ seq_buf_path(&s->seq, path, "\n\\"); - - if (unlikely(seq_buf_has_overflowed(&s->seq))) { - s->seq.len = save_len; -diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c -index 3f34496..0492d95 100644 ---- a/kernel/trace/trace_stack.c -+++ b/kernel/trace/trace_stack.c -@@ -88,7 +88,7 @@ check_stack(unsigned long ip, unsigned long *stack) - return; - - /* we do not handle interrupt stacks yet */ -- if (!object_is_on_stack(stack)) -+ if (!object_starts_on_stack(stack)) - return; - - local_irq_save(flags); -diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c -index f97f6e3..d367b48 100644 ---- a/kernel/trace/trace_syscalls.c -+++ b/kernel/trace/trace_syscalls.c -@@ -590,6 +590,8 @@ static int perf_sysenter_enable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return -EINVAL; - - mutex_lock(&syscall_trace_lock); - if (!sys_perf_refcount_enter) -@@ -610,6 +612,8 @@ static void perf_sysenter_disable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return; - - mutex_lock(&syscall_trace_lock); - sys_perf_refcount_enter--; -@@ -662,6 +666,8 @@ static int perf_sysexit_enable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return -EINVAL; - - mutex_lock(&syscall_trace_lock); - if (!sys_perf_refcount_exit) -@@ -682,6 +688,8 @@ static void perf_sysexit_disable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return; - - mutex_lock(&syscall_trace_lock); - sys_perf_refcount_exit--; -diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c -index 4109f83..fe1f830 100644 ---- a/kernel/user_namespace.c -+++ b/kernel/user_namespace.c -@@ -83,6 +83,21 @@ int create_user_ns(struct cred *new) - !kgid_has_mapping(parent_ns, group)) - return -EPERM; - -+#ifdef CONFIG_GRKERNSEC -+ /* -+ * This doesn't really inspire confidence: -+ * http://marc.info/?l=linux-kernel&m=135543612731939&w=2 -+ * http://marc.info/?l=linux-kernel&m=135545831607095&w=2 -+ * Increases kernel attack surface in areas developers -+ * previously cared little about ("low importance due -+ * to requiring "root" capability") -+ * To be removed when this code receives *proper* review -+ */ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SETUID) || -+ !capable(CAP_SETGID)) -+ return -EPERM; -+#endif -+ - ns = kmem_cache_zalloc(user_ns_cachep, GFP_KERNEL); - if (!ns) - return -ENOMEM; -@@ -980,7 +995,7 @@ static int userns_install(struct nsproxy *nsproxy, struct ns_common *ns) - if (atomic_read(&current->mm->mm_users) > 1) - return -EINVAL; - -- if (current->fs->users != 1) -+ if (atomic_read(&current->fs->users) != 1) - return -EINVAL; - - if (!ns_capable(user_ns, CAP_SYS_ADMIN)) -diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c -index c8eac43..4b5f08f 100644 ---- a/kernel/utsname_sysctl.c -+++ b/kernel/utsname_sysctl.c -@@ -47,7 +47,7 @@ static void put_uts(struct ctl_table *table, int write, void *which) - static int proc_do_uts_string(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table uts_table; -+ ctl_table_no_const uts_table; - int r; - memcpy(&uts_table, table, sizeof(uts_table)); - uts_table.data = get_uts(table, write); -diff --git a/kernel/watchdog.c b/kernel/watchdog.c -index 581a68a..7ff6a89 100644 ---- a/kernel/watchdog.c -+++ b/kernel/watchdog.c -@@ -648,7 +648,7 @@ void watchdog_nmi_enable_all(void) {} - void watchdog_nmi_disable_all(void) {} - #endif /* CONFIG_HARDLOCKUP_DETECTOR */ - --static struct smp_hotplug_thread watchdog_threads = { -+static struct smp_hotplug_thread watchdog_threads __read_only = { - .store = &softlockup_watchdog, - .thread_should_run = watchdog_should_run, - .thread_fn = watchdog, -diff --git a/kernel/workqueue.c b/kernel/workqueue.c -index 586ad91..5f8844a 100644 ---- a/kernel/workqueue.c -+++ b/kernel/workqueue.c -@@ -4428,7 +4428,7 @@ static void rebind_workers(struct worker_pool *pool) - WARN_ON_ONCE(!(worker_flags & WORKER_UNBOUND)); - worker_flags |= WORKER_REBOUND; - worker_flags &= ~WORKER_UNBOUND; -- ACCESS_ONCE(worker->flags) = worker_flags; -+ ACCESS_ONCE_RW(worker->flags) = worker_flags; - } - - spin_unlock_irq(&pool->lock); -diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug -index ba2b0c8..a571efc 100644 ---- a/lib/Kconfig.debug -+++ b/lib/Kconfig.debug -@@ -936,7 +936,7 @@ config DEBUG_MUTEXES - - config DEBUG_WW_MUTEX_SLOWPATH - bool "Wait/wound mutex debugging: Slowpath testing" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select DEBUG_LOCK_ALLOC - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -953,7 +953,7 @@ config DEBUG_WW_MUTEX_SLOWPATH - - config DEBUG_LOCK_ALLOC - bool "Lock debugging: detect incorrect freeing of live locks" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select DEBUG_SPINLOCK - select DEBUG_MUTEXES - select LOCKDEP -@@ -967,7 +967,7 @@ config DEBUG_LOCK_ALLOC - - config PROVE_LOCKING - bool "Lock debugging: prove locking correctness" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select LOCKDEP - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -1018,7 +1018,7 @@ config LOCKDEP - - config LOCK_STAT - bool "Lock usage statistics" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select LOCKDEP - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -1496,6 +1496,7 @@ config LATENCYTOP - depends on DEBUG_KERNEL - depends on STACKTRACE_SUPPORT - depends on PROC_FS -+ depends on !GRKERNSEC_HIDESYM - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC - select KALLSYMS - select KALLSYMS_ALL -@@ -1512,7 +1513,7 @@ config ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS - config DEBUG_STRICT_USER_COPY_CHECKS - bool "Strict user copy size checks" - depends on ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS -- depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING -+ depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING && !PAX_SIZE_OVERFLOW - help - Enabling this option turns a certain set of sanity checks for user - copy operations into compile time failures. -@@ -1643,7 +1644,7 @@ endmenu # runtime tests - - config PROVIDE_OHCI1394_DMA_INIT - bool "Remote debugging over FireWire early on boot" -- depends on PCI && X86 -+ depends on PCI && X86 && !GRKERNSEC - help - If you want to debug problems which hang or crash the kernel early - on boot and the crashing machine has a FireWire port, you can use -diff --git a/lib/Makefile b/lib/Makefile -index 6c37933..d48e7ca 100644 ---- a/lib/Makefile -+++ b/lib/Makefile -@@ -59,7 +59,7 @@ obj-$(CONFIG_BTREE) += btree.o - obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o - obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o - obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o --obj-$(CONFIG_DEBUG_LIST) += list_debug.o -+obj-y += list_debug.o - obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o - - ifneq ($(CONFIG_HAVE_DEC_LOCK),y) -diff --git a/lib/average.c b/lib/average.c -index 114d1be..ab0350c 100644 ---- a/lib/average.c -+++ b/lib/average.c -@@ -55,7 +55,7 @@ struct ewma *ewma_add(struct ewma *avg, unsigned long val) - { - unsigned long internal = ACCESS_ONCE(avg->internal); - -- ACCESS_ONCE(avg->internal) = internal ? -+ ACCESS_ONCE_RW(avg->internal) = internal ? - (((internal << avg->weight) - internal) + - (val << avg->factor)) >> avg->weight : - (val << avg->factor); -diff --git a/lib/bitmap.c b/lib/bitmap.c -index 40162f8..b55c7c7 100644 ---- a/lib/bitmap.c -+++ b/lib/bitmap.c -@@ -234,7 +234,7 @@ int __bitmap_subset(const unsigned long *bitmap1, - } - EXPORT_SYMBOL(__bitmap_subset); - --int __bitmap_weight(const unsigned long *bitmap, unsigned int bits) -+int __intentional_overflow(-1) __bitmap_weight(const unsigned long *bitmap, unsigned int bits) - { - unsigned int k, lim = bits/BITS_PER_LONG; - int w = 0; -@@ -361,7 +361,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen, - { - int c, old_c, totaldigits, ndigits, nchunks, nbits; - u32 chunk; -- const char __user __force *ubuf = (const char __user __force *)buf; -+ const char __user *ubuf = (const char __force_user *)buf; - - bitmap_zero(maskp, nmaskbits); - -@@ -446,7 +446,7 @@ int bitmap_parse_user(const char __user *ubuf, - { - if (!access_ok(VERIFY_READ, ubuf, ulen)) - return -EFAULT; -- return __bitmap_parse((const char __force *)ubuf, -+ return __bitmap_parse((const char __force_kernel *)ubuf, - ulen, 1, maskp, nmaskbits); - - } -@@ -505,7 +505,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, - { - unsigned a, b; - int c, old_c, totaldigits; -- const char __user __force *ubuf = (const char __user __force *)buf; -+ const char __user *ubuf = (const char __force_user *)buf; - int at_start, in_range; - - totaldigits = c = 0; -@@ -601,7 +601,7 @@ int bitmap_parselist_user(const char __user *ubuf, - { - if (!access_ok(VERIFY_READ, ubuf, ulen)) - return -EFAULT; -- return __bitmap_parselist((const char __force *)ubuf, -+ return __bitmap_parselist((const char __force_kernel *)ubuf, - ulen, 1, maskp, nmaskbits); - } - EXPORT_SYMBOL(bitmap_parselist_user); -diff --git a/lib/bug.c b/lib/bug.c -index 0c3bd95..5a615a1 100644 ---- a/lib/bug.c -+++ b/lib/bug.c -@@ -145,6 +145,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs) - return BUG_TRAP_TYPE_NONE; - - bug = find_bug(bugaddr); -+ if (!bug) -+ return BUG_TRAP_TYPE_NONE; - - file = NULL; - line = 0; -diff --git a/lib/debugobjects.c b/lib/debugobjects.c -index 547f7f9..a6d4ba0 100644 ---- a/lib/debugobjects.c -+++ b/lib/debugobjects.c -@@ -289,7 +289,7 @@ static void debug_object_is_on_stack(void *addr, int onstack) - if (limit > 4) - return; - -- is_on_stack = object_is_on_stack(addr); -+ is_on_stack = object_starts_on_stack(addr); - if (is_on_stack == onstack) - return; - -diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c -index 6dd0335..1e9c239 100644 ---- a/lib/decompress_bunzip2.c -+++ b/lib/decompress_bunzip2.c -@@ -665,7 +665,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, long len, - - /* Fourth byte (ascii '1'-'9'), indicates block size in units of 100k of - uncompressed data. Allocate intermediate buffer for block. */ -- bd->dbufSize = 100000*(i-BZh0); -+ i -= BZh0; -+ bd->dbufSize = 100000 * i; - - bd->dbuf = large_malloc(bd->dbufSize * sizeof(int)); - if (!bd->dbuf) -diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c -index 0be83af..4605e93 100644 ---- a/lib/decompress_unlzma.c -+++ b/lib/decompress_unlzma.c -@@ -39,10 +39,10 @@ - - #define MIN(a, b) (((a) < (b)) ? (a) : (b)) - --static long long INIT read_int(unsigned char *ptr, int size) -+static unsigned long long INIT read_int(unsigned char *ptr, int size) - { - int i; -- long long ret = 0; -+ unsigned long long ret = 0; - - for (i = 0; i < size; i++) - ret = (ret << 8) | ptr[size-i-1]; -diff --git a/lib/div64.c b/lib/div64.c -index 19ea7ed..20cac21 100644 ---- a/lib/div64.c -+++ b/lib/div64.c -@@ -59,7 +59,7 @@ uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base) - EXPORT_SYMBOL(__div64_32); - - #ifndef div_s64_rem --s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) -+s64 __intentional_overflow(-1) div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) - { - u64 quotient; - -@@ -130,7 +130,7 @@ EXPORT_SYMBOL(div64_u64_rem); - * 'http://www.hackersdelight.org/hdcodetxt/divDouble.c.txt' - */ - #ifndef div64_u64 --u64 div64_u64(u64 dividend, u64 divisor) -+u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor) - { - u32 high = divisor >> 32; - u64 quot; -diff --git a/lib/dma-debug.c b/lib/dma-debug.c -index dace71f..13da37b 100644 ---- a/lib/dma-debug.c -+++ b/lib/dma-debug.c -@@ -982,7 +982,7 @@ static int dma_debug_device_change(struct notifier_block *nb, unsigned long acti - - void dma_debug_add_bus(struct bus_type *bus) - { -- struct notifier_block *nb; -+ notifier_block_no_const *nb; - - if (dma_debug_disabled()) - return; -@@ -1164,7 +1164,7 @@ static void check_unmap(struct dma_debug_entry *ref) - - static void check_for_stack(struct device *dev, void *addr) - { -- if (object_is_on_stack(addr)) -+ if (object_starts_on_stack(addr)) - err_printk(dev, NULL, "DMA-API: device driver maps memory from " - "stack [addr=%p]\n", addr); - } -diff --git a/lib/inflate.c b/lib/inflate.c -index 013a761..c28f3fc 100644 ---- a/lib/inflate.c -+++ b/lib/inflate.c -@@ -269,7 +269,7 @@ static void free(void *where) - malloc_ptr = free_mem_ptr; - } - #else --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - #endif - -diff --git a/lib/ioremap.c b/lib/ioremap.c -index 86c8911..f5bfc34 100644 ---- a/lib/ioremap.c -+++ b/lib/ioremap.c -@@ -75,7 +75,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, - unsigned long next; - - phys_addr -= addr; -- pmd = pmd_alloc(&init_mm, pud, addr); -+ pmd = pmd_alloc_kernel(&init_mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -101,7 +101,7 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr, - unsigned long next; - - phys_addr -= addr; -- pud = pud_alloc(&init_mm, pgd, addr); -+ pud = pud_alloc_kernel(&init_mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c -index bd2bea9..6b3c95e 100644 ---- a/lib/is_single_threaded.c -+++ b/lib/is_single_threaded.c -@@ -22,6 +22,9 @@ bool current_is_single_threaded(void) - struct task_struct *p, *t; - bool ret; - -+ if (!mm) -+ return true; -+ - if (atomic_read(&task->signal->live) != 1) - return false; - -diff --git a/lib/kobject.c b/lib/kobject.c -index 3b841b9..7c215aa 100644 ---- a/lib/kobject.c -+++ b/lib/kobject.c -@@ -340,8 +340,9 @@ error: - } - EXPORT_SYMBOL(kobject_init); - --static int kobject_add_varg(struct kobject *kobj, struct kobject *parent, -- const char *fmt, va_list vargs) -+static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, -+ struct kobject *parent, -+ const char *fmt, va_list vargs) - { - int retval; - -@@ -936,9 +937,9 @@ EXPORT_SYMBOL_GPL(kset_create_and_add); - - - static DEFINE_SPINLOCK(kobj_ns_type_lock); --static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES]; -+static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES] __read_only; - --int kobj_ns_type_register(const struct kobj_ns_type_operations *ops) -+int __init kobj_ns_type_register(const struct kobj_ns_type_operations *ops) - { - enum kobj_ns_type type = ops->type; - int error; -diff --git a/lib/list_debug.c b/lib/list_debug.c -index c24c2f7..f0296f4 100644 ---- a/lib/list_debug.c -+++ b/lib/list_debug.c -@@ -11,7 +11,9 @@ - #include <linux/bug.h> - #include <linux/kernel.h> - #include <linux/rculist.h> -+#include <linux/mm.h> - -+#ifdef CONFIG_DEBUG_LIST - /* - * Insert a new entry between two known consecutive entries. - * -@@ -19,21 +21,40 @@ - * the prev/next entries already! - */ - -+static bool __list_add_debug(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next) -+{ -+ if (unlikely(next->prev != prev)) { -+ printk(KERN_ERR "list_add corruption. next->prev should be " -+ "prev (%p), but was %p. (next=%p).\n", -+ prev, next->prev, next); -+ BUG(); -+ return false; -+ } -+ if (unlikely(prev->next != next)) { -+ printk(KERN_ERR "list_add corruption. prev->next should be " -+ "next (%p), but was %p. (prev=%p).\n", -+ next, prev->next, prev); -+ BUG(); -+ return false; -+ } -+ if (unlikely(new == prev || new == next)) { -+ printk(KERN_ERR "list_add double add: new=%p, prev=%p, next=%p.\n", -+ new, prev, next); -+ BUG(); -+ return false; -+ } -+ return true; -+} -+ - void __list_add(struct list_head *new, -- struct list_head *prev, -- struct list_head *next) -+ struct list_head *prev, -+ struct list_head *next) - { -- WARN(next->prev != prev, -- "list_add corruption. next->prev should be " -- "prev (%p), but was %p. (next=%p).\n", -- prev, next->prev, next); -- WARN(prev->next != next, -- "list_add corruption. prev->next should be " -- "next (%p), but was %p. (prev=%p).\n", -- next, prev->next, prev); -- WARN(new == prev || new == next, -- "list_add double add: new=%p, prev=%p, next=%p.\n", -- new, prev, next); -+ if (!__list_add_debug(new, prev, next)) -+ return; -+ - next->prev = new; - new->next = next; - new->prev = prev; -@@ -41,28 +62,46 @@ void __list_add(struct list_head *new, - } - EXPORT_SYMBOL(__list_add); - --void __list_del_entry(struct list_head *entry) -+static bool __list_del_entry_debug(struct list_head *entry) - { - struct list_head *prev, *next; - - prev = entry->prev; - next = entry->next; - -- if (WARN(next == LIST_POISON1, -- "list_del corruption, %p->next is LIST_POISON1 (%p)\n", -- entry, LIST_POISON1) || -- WARN(prev == LIST_POISON2, -- "list_del corruption, %p->prev is LIST_POISON2 (%p)\n", -- entry, LIST_POISON2) || -- WARN(prev->next != entry, -- "list_del corruption. prev->next should be %p, " -- "but was %p\n", entry, prev->next) || -- WARN(next->prev != entry, -- "list_del corruption. next->prev should be %p, " -- "but was %p\n", entry, next->prev)) -+ if (unlikely(next == LIST_POISON1)) { -+ printk(KERN_ERR "list_del corruption, %p->next is LIST_POISON1 (%p)\n", -+ entry, LIST_POISON1); -+ BUG(); -+ return false; -+ } -+ if (unlikely(prev == LIST_POISON2)) { -+ printk(KERN_ERR "list_del corruption, %p->prev is LIST_POISON2 (%p)\n", -+ entry, LIST_POISON2); -+ BUG(); -+ return false; -+ } -+ if (unlikely(entry->prev->next != entry)) { -+ printk(KERN_ERR "list_del corruption. prev->next should be %p, " -+ "but was %p\n", entry, prev->next); -+ BUG(); -+ return false; -+ } -+ if (unlikely(entry->next->prev != entry)) { -+ printk(KERN_ERR "list_del corruption. next->prev should be %p, " -+ "but was %p\n", entry, next->prev); -+ BUG(); -+ return false; -+ } -+ return true; -+} -+ -+void __list_del_entry(struct list_head *entry) -+{ -+ if (!__list_del_entry_debug(entry)) - return; - -- __list_del(prev, next); -+ __list_del(entry->prev, entry->next); - } - EXPORT_SYMBOL(__list_del_entry); - -@@ -86,15 +125,85 @@ EXPORT_SYMBOL(list_del); - void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next) - { -- WARN(next->prev != prev, -- "list_add_rcu corruption. next->prev should be prev (%p), but was %p. (next=%p).\n", -- prev, next->prev, next); -- WARN(prev->next != next, -- "list_add_rcu corruption. prev->next should be next (%p), but was %p. (prev=%p).\n", -- next, prev->next, prev); -+ if (!__list_add_debug(new, prev, next)) -+ return; -+ - new->next = next; - new->prev = prev; - rcu_assign_pointer(list_next_rcu(prev), new); - next->prev = new; - } - EXPORT_SYMBOL(__list_add_rcu); -+#endif -+ -+void __pax_list_add(struct list_head *new, struct list_head *prev, struct list_head *next) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_add_debug(new, prev, next)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ next->prev = new; -+ new->next = next; -+ new->prev = prev; -+ prev->next = new; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(__pax_list_add); -+ -+void pax_list_del(struct list_head *entry) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_del_entry_debug(entry)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ entry->next = LIST_POISON1; -+ entry->prev = LIST_POISON2; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del); -+ -+void pax_list_del_init(struct list_head *entry) -+{ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ INIT_LIST_HEAD(entry); -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del_init); -+ -+void __pax_list_add_rcu(struct list_head *new, -+ struct list_head *prev, struct list_head *next) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_add_debug(new, prev, next)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ new->next = next; -+ new->prev = prev; -+ rcu_assign_pointer(list_next_rcu(prev), new); -+ next->prev = new; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(__pax_list_add_rcu); -+ -+void pax_list_del_rcu(struct list_head *entry) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_del_entry_debug(entry)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ entry->next = LIST_POISON1; -+ entry->prev = LIST_POISON2; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del_rcu); -diff --git a/lib/lockref.c b/lib/lockref.c -index 494994b..65caf94 100644 ---- a/lib/lockref.c -+++ b/lib/lockref.c -@@ -48,13 +48,13 @@ - void lockref_get(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count++; -+ __lockref_inc(&new); - , - return; - ); - - spin_lock(&lockref->lock); -- lockref->count++; -+ __lockref_inc(lockref); - spin_unlock(&lockref->lock); - } - EXPORT_SYMBOL(lockref_get); -@@ -69,8 +69,8 @@ int lockref_get_not_zero(struct lockref *lockref) - int retval; - - CMPXCHG_LOOP( -- new.count++; -- if (old.count <= 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) <= 0) - return 0; - , - return 1; -@@ -78,8 +78,8 @@ int lockref_get_not_zero(struct lockref *lockref) - - spin_lock(&lockref->lock); - retval = 0; -- if (lockref->count > 0) { -- lockref->count++; -+ if (__lockref_read(lockref) > 0) { -+ __lockref_inc(lockref); - retval = 1; - } - spin_unlock(&lockref->lock); -@@ -96,17 +96,17 @@ EXPORT_SYMBOL(lockref_get_not_zero); - int lockref_get_or_lock(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count++; -- if (old.count <= 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) <= 0) - break; - , - return 1; - ); - - spin_lock(&lockref->lock); -- if (lockref->count <= 0) -+ if (__lockref_read(lockref) <= 0) - return 0; -- lockref->count++; -+ __lockref_inc(lockref); - spin_unlock(&lockref->lock); - return 1; - } -@@ -122,11 +122,11 @@ EXPORT_SYMBOL(lockref_get_or_lock); - int lockref_put_return(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count--; -- if (old.count <= 0) -+ __lockref_dec(&new); -+ if (__lockref_read(&old) <= 0) - return -1; - , -- return new.count; -+ return __lockref_read(&new); - ); - return -1; - } -@@ -140,17 +140,17 @@ EXPORT_SYMBOL(lockref_put_return); - int lockref_put_or_lock(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count--; -- if (old.count <= 1) -+ __lockref_dec(&new); -+ if (__lockref_read(&old) <= 1) - break; - , - return 1; - ); - - spin_lock(&lockref->lock); -- if (lockref->count <= 1) -+ if (__lockref_read(lockref) <= 1) - return 0; -- lockref->count--; -+ __lockref_dec(lockref); - spin_unlock(&lockref->lock); - return 1; - } -@@ -163,7 +163,7 @@ EXPORT_SYMBOL(lockref_put_or_lock); - void lockref_mark_dead(struct lockref *lockref) - { - assert_spin_locked(&lockref->lock); -- lockref->count = -128; -+ __lockref_set(lockref, -128); - } - EXPORT_SYMBOL(lockref_mark_dead); - -@@ -177,8 +177,8 @@ int lockref_get_not_dead(struct lockref *lockref) - int retval; - - CMPXCHG_LOOP( -- new.count++; -- if (old.count < 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) < 0) - return 0; - , - return 1; -@@ -186,8 +186,8 @@ int lockref_get_not_dead(struct lockref *lockref) - - spin_lock(&lockref->lock); - retval = 0; -- if (lockref->count >= 0) { -- lockref->count++; -+ if (__lockref_read(lockref) >= 0) { -+ __lockref_inc(lockref); - retval = 1; - } - spin_unlock(&lockref->lock); -diff --git a/lib/nlattr.c b/lib/nlattr.c -index f5907d2..36072be 100644 ---- a/lib/nlattr.c -+++ b/lib/nlattr.c -@@ -278,6 +278,8 @@ int nla_memcpy(void *dest, const struct nlattr *src, int count) - { - int minlen = min_t(int, count, nla_len(src)); - -+ BUG_ON(minlen < 0); -+ - memcpy(dest, nla_data(src), minlen); - if (count > minlen) - memset(dest + minlen, 0, count - minlen); -diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c -index 6111bcb..02e816b 100644 ---- a/lib/percpu-refcount.c -+++ b/lib/percpu-refcount.c -@@ -31,7 +31,7 @@ - * atomic_long_t can't hit 0 before we've added up all the percpu refs. - */ - --#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 1)) -+#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 2)) - - static DECLARE_WAIT_QUEUE_HEAD(percpu_ref_switch_waitq); - -diff --git a/lib/radix-tree.c b/lib/radix-tree.c -index 3d2aa27..a472f20 100644 ---- a/lib/radix-tree.c -+++ b/lib/radix-tree.c -@@ -67,7 +67,7 @@ struct radix_tree_preload { - int nr; - struct radix_tree_node *nodes[RADIX_TREE_PRELOAD_SIZE]; - }; --static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; -+static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads); - - static inline void *ptr_to_indirect(void *ptr) - { -diff --git a/lib/random32.c b/lib/random32.c -index 0bee183..526f12f 100644 ---- a/lib/random32.c -+++ b/lib/random32.c -@@ -47,7 +47,7 @@ static inline void prandom_state_selftest(void) - } - #endif - --static DEFINE_PER_CPU(struct rnd_state, net_rand_state); -+static DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy; - - /** - * prandom_u32_state - seeded pseudo-random number generator. -diff --git a/lib/rbtree.c b/lib/rbtree.c -index c16c81a..4dcbda1 100644 ---- a/lib/rbtree.c -+++ b/lib/rbtree.c -@@ -380,7 +380,9 @@ static inline void dummy_copy(struct rb_node *old, struct rb_node *new) {} - static inline void dummy_rotate(struct rb_node *old, struct rb_node *new) {} - - static const struct rb_augment_callbacks dummy_callbacks = { -- dummy_propagate, dummy_copy, dummy_rotate -+ .propagate = dummy_propagate, -+ .copy = dummy_copy, -+ .rotate = dummy_rotate - }; - - void rb_insert_color(struct rb_node *node, struct rb_root *root) -diff --git a/lib/show_mem.c b/lib/show_mem.c -index adc98e18..0ce83c2 100644 ---- a/lib/show_mem.c -+++ b/lib/show_mem.c -@@ -49,6 +49,6 @@ void show_mem(unsigned int filter) - quicklist_total_size()); - #endif - #ifdef CONFIG_MEMORY_FAILURE -- printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); -+ printk("%lu pages hwpoisoned\n", atomic_long_read_unchecked(&num_poisoned_pages)); - #endif - } -diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c -index e0af6ff..fcc9f15 100644 ---- a/lib/strncpy_from_user.c -+++ b/lib/strncpy_from_user.c -@@ -22,7 +22,7 @@ - */ - static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max) - { -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long res = 0; - - /* -diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c -index fe9a325..85cd8aa 100644 ---- a/lib/strnlen_user.c -+++ b/lib/strnlen_user.c -@@ -26,7 +26,7 @@ - */ - static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max) - { -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long align, res = 0; - unsigned long c; - -diff --git a/lib/swiotlb.c b/lib/swiotlb.c -index 3c365ab..75b43df 100644 ---- a/lib/swiotlb.c -+++ b/lib/swiotlb.c -@@ -683,7 +683,7 @@ EXPORT_SYMBOL(swiotlb_alloc_coherent); - - void - swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, -- dma_addr_t dev_addr) -+ dma_addr_t dev_addr, struct dma_attrs *attrs) - { - phys_addr_t paddr = dma_to_phys(hwdev, dev_addr); - -diff --git a/lib/test-hexdump.c b/lib/test-hexdump.c -index c227cc4..5241df3 100644 ---- a/lib/test-hexdump.c -+++ b/lib/test-hexdump.c -@@ -25,19 +25,19 @@ static const char * const test_data_1_le[] __initconst = { - "4c", "d1", "19", "99", "43", "b1", "af", "0c", - }; - --static const char *test_data_2_le[] __initdata = { -+static const char * const test_data_2_le[] __initconst = { - "32be", "7bdb", "180a", "b293", - "ba70", "24c4", "837d", "9b34", - "9ca6", "ad31", "0f9c", "e9ac", - "d14c", "9919", "b143", "0caf", - }; - --static const char *test_data_4_le[] __initdata = { -+static const char * const test_data_4_le[] __initconst = { - "7bdb32be", "b293180a", "24c4ba70", "9b34837d", - "ad319ca6", "e9ac0f9c", "9919d14c", "0cafb143", - }; - --static const char *test_data_8_le[] __initdata = { -+static const char * const test_data_8_le[] __initconst = { - "b293180a7bdb32be", "9b34837d24c4ba70", - "e9ac0f9cad319ca6", "0cafb1439919d14c", - }; -diff --git a/lib/usercopy.c b/lib/usercopy.c -index 4f5b1dd..7cab418 100644 ---- a/lib/usercopy.c -+++ b/lib/usercopy.c -@@ -7,3 +7,9 @@ void copy_from_user_overflow(void) - WARN(1, "Buffer overflow detected!\n"); - } - EXPORT_SYMBOL(copy_from_user_overflow); -+ -+void copy_to_user_overflow(void) -+{ -+ WARN(1, "Buffer overflow detected!\n"); -+} -+EXPORT_SYMBOL(copy_to_user_overflow); -diff --git a/lib/vsprintf.c b/lib/vsprintf.c -index da39c60..ac91239 100644 ---- a/lib/vsprintf.c -+++ b/lib/vsprintf.c -@@ -16,6 +16,9 @@ - * - scnprintf and vscnprintf - */ - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <stdarg.h> - #include <linux/clk-provider.h> - #include <linux/module.h> /* for KSYM_SYMBOL_LEN */ -@@ -628,7 +631,7 @@ char *symbol_string(char *buf, char *end, void *ptr, - #ifdef CONFIG_KALLSYMS - if (*fmt == 'B') - sprint_backtrace(sym, value); -- else if (*fmt != 'f' && *fmt != 's') -+ else if (*fmt != 'f' && *fmt != 's' && *fmt != 'X') - sprint_symbol(sym, value); - else - sprint_symbol_no_offset(sym, value); -@@ -1360,7 +1363,11 @@ char *clock(char *buf, char *end, struct clk *clk, struct printf_spec spec, - } - } - --int kptr_restrict __read_mostly; -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+int kptr_restrict __read_only = 2; -+#else -+int kptr_restrict __read_only; -+#endif - - /* - * Show a '%p' thing. A kernel extension is that the '%p' is followed -@@ -1371,8 +1378,10 @@ int kptr_restrict __read_mostly; - * - * - 'F' For symbolic function descriptor pointers with offset - * - 'f' For simple symbolic function names without offset -+ * - 'X' For simple symbolic function names without offset approved for use with GRKERNSEC_HIDESYM - * - 'S' For symbolic direct pointers with offset - * - 's' For symbolic direct pointers without offset -+ * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM - * - '[FfSs]R' as above with __builtin_extract_return_addr() translation - * - 'B' For backtraced symbolic direct pointers with offset - * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] -@@ -1460,12 +1469,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - - if (!ptr && *fmt != 'K') { - /* -- * Print (null) with the same width as a pointer so it makes -+ * Print (nil) with the same width as a pointer so it makes - * tabular output look nice. - */ - if (spec.field_width == -1) - spec.field_width = default_width; -- return string(buf, end, "(null)", spec); -+ return string(buf, end, "(nil)", spec); - } - - switch (*fmt) { -@@ -1475,6 +1484,14 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - /* Fallthrough */ - case 'S': - case 's': -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ break; -+#else -+ return symbol_string(buf, end, ptr, spec, fmt); -+#endif -+ case 'X': -+ ptr = dereference_function_descriptor(ptr); -+ case 'A': - case 'B': - return symbol_string(buf, end, ptr, spec, fmt); - case 'R': -@@ -1539,6 +1556,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - va_end(va); - return buf; - } -+ case 'P': -+ break; - case 'K': - /* - * %pK cannot be used in IRQ context because its test -@@ -1598,6 +1617,22 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - ((const struct file *)ptr)->f_path.dentry, - spec, fmt); - } -+ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ /* 'P' = approved pointers to copy to userland, -+ as in the /proc/kallsyms case, as we make it display nothing -+ for non-root users, and the real contents for root users -+ 'X' = approved simple symbols -+ Also ignore 'K' pointers, since we force their NULLing for non-root users -+ above -+ */ -+ if ((unsigned long)ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'X' && *fmt != 'K' && is_usercopy_object(buf)) { -+ printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender(a)grsecurity.net.\n"); -+ dump_stack(); -+ ptr = NULL; -+ } -+#endif -+ - spec.flags |= SMALL; - if (spec.field_width == -1) { - spec.field_width = default_width; -@@ -2296,11 +2331,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) - typeof(type) value; \ - if (sizeof(type) == 8) { \ - args = PTR_ALIGN(args, sizeof(u32)); \ -- *(u32 *)&value = *(u32 *)args; \ -- *((u32 *)&value + 1) = *(u32 *)(args + 4); \ -+ *(u32 *)&value = *(const u32 *)args; \ -+ *((u32 *)&value + 1) = *(const u32 *)(args + 4); \ - } else { \ - args = PTR_ALIGN(args, sizeof(type)); \ -- value = *(typeof(type) *)args; \ -+ value = *(const typeof(type) *)args; \ - } \ - args += sizeof(type); \ - value; \ -@@ -2363,7 +2398,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) - case FORMAT_TYPE_STR: { - const char *str_arg = args; - args += strlen(str_arg) + 1; -- str = string(str, end, (char *)str_arg, spec); -+ str = string(str, end, str_arg, spec); - break; - } - -diff --git a/localversion-grsec b/localversion-grsec -new file mode 100644 -index 0000000..7cd6065 ---- /dev/null -+++ b/localversion-grsec -@@ -0,0 +1 @@ -+-grsec -diff --git a/mm/Kconfig b/mm/Kconfig -index 390214d..f96e3b8 100644 ---- a/mm/Kconfig -+++ b/mm/Kconfig -@@ -342,10 +342,11 @@ config KSM - root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set). - - config DEFAULT_MMAP_MIN_ADDR -- int "Low address space to protect from user allocation" -+ int "Low address space to protect from user allocation" - depends on MMU -- default 4096 -- help -+ default 32768 if ALPHA || ARM || PARISC || SPARC32 -+ default 65536 -+ help - This is the portion of low virtual memory which should be protected - from userspace allocation. Keeping a user from writing to low pages - can help reduce the impact of kernel NULL pointer bugs. -@@ -376,7 +377,7 @@ config MEMORY_FAILURE - - config HWPOISON_INJECT - tristate "HWPoison pages injector" -- depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS -+ depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS && !GRKERNSEC - select PROC_PAGE_MONITOR - - config NOMMU_INITIAL_TRIM_EXCESS -diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug -index 957d3da..1d34e20 100644 ---- a/mm/Kconfig.debug -+++ b/mm/Kconfig.debug -@@ -10,6 +10,7 @@ config PAGE_EXTENSION - config DEBUG_PAGEALLOC - bool "Debug page memory allocations" - depends on DEBUG_KERNEL -+ depends on !PAX_MEMORY_SANITIZE - depends on !HIBERNATION || ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC - depends on !KMEMCHECK - select PAGE_EXTENSION -diff --git a/mm/backing-dev.c b/mm/backing-dev.c -index 000e7b3..aad2605 100644 ---- a/mm/backing-dev.c -+++ b/mm/backing-dev.c -@@ -12,7 +12,7 @@ - #include <linux/device.h> - #include <trace/events/writeback.h> - --static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0); -+static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0); - - struct backing_dev_info noop_backing_dev_info = { - .name = "noop", -@@ -458,7 +458,7 @@ int bdi_setup_and_register(struct backing_dev_info *bdi, char *name) - return err; - - err = bdi_register(bdi, NULL, "%.28s-%ld", name, -- atomic_long_inc_return(&bdi_seq)); -+ atomic_long_inc_return_unchecked(&bdi_seq)); - if (err) { - bdi_destroy(bdi); - return err; -diff --git a/mm/cma_debug.c b/mm/cma_debug.c -index 7621ee3..f8e4b60 100644 ---- a/mm/cma_debug.c -+++ b/mm/cma_debug.c -@@ -39,7 +39,7 @@ static int cma_used_get(void *data, u64 *val) - - mutex_lock(&cma->lock); - /* pages counter is smaller than sizeof(int) */ -- used = bitmap_weight(cma->bitmap, (int)cma->count); -+ used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); - mutex_unlock(&cma->lock); - *val = (u64)used << cma->order_per_bit; - -@@ -52,13 +52,14 @@ static int cma_maxchunk_get(void *data, u64 *val) - struct cma *cma = data; - unsigned long maxchunk = 0; - unsigned long start, end = 0; -+ unsigned long bitmap_maxno = cma_bitmap_maxno(cma); - - mutex_lock(&cma->lock); - for (;;) { -- start = find_next_zero_bit(cma->bitmap, cma->count, end); -+ start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); - if (start >= cma->count) - break; -- end = find_next_bit(cma->bitmap, cma->count, start); -+ end = find_next_bit(cma->bitmap, bitmap_maxno, start); - maxchunk = max(end - start, maxchunk); - } - mutex_unlock(&cma->lock); -@@ -170,10 +171,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) - - tmp = debugfs_create_dir(name, cma_debugfs_root); - -- debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, -+ debugfs_create_file("alloc", S_IWUSR, tmp, cma, - &cma_alloc_fops); - -- debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, -+ debugfs_create_file("free", S_IWUSR, tmp, cma, - &cma_free_fops); - - debugfs_create_file("base_pfn", S_IRUGO, tmp, -diff --git a/mm/filemap.c b/mm/filemap.c -index 6bf5e42..1e631ee 100644 ---- a/mm/filemap.c -+++ b/mm/filemap.c -@@ -2095,7 +2095,7 @@ int generic_file_mmap(struct file * file, struct vm_area_struct * vma) - struct address_space *mapping = file->f_mapping; - - if (!mapping->a_ops->readpage) -- return -ENOEXEC; -+ return -ENODEV; - file_accessed(file); - vma->vm_ops = &generic_file_vm_ops; - return 0; -@@ -2276,6 +2276,7 @@ inline ssize_t generic_write_checks(struct kiocb *iocb, struct iov_iter *from) - pos = iocb->ki_pos; - - if (limit != RLIM_INFINITY) { -+ gr_learn_resource(current, RLIMIT_FSIZE, iocb->ki_pos, 0); - if (iocb->ki_pos >= limit) { - send_sig(SIGXFSZ, current, 0); - return -EFBIG; -diff --git a/mm/gup.c b/mm/gup.c -index 6297f6b..7652403 100644 ---- a/mm/gup.c -+++ b/mm/gup.c -@@ -265,11 +265,6 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, - unsigned int fault_flags = 0; - int ret; - -- /* For mm_populate(), just skip the stack guard page. */ -- if ((*flags & FOLL_POPULATE) && -- (stack_guard_page_start(vma, address) || -- stack_guard_page_end(vma, address + PAGE_SIZE))) -- return -ENOENT; - if (*flags & FOLL_WRITE) - fault_flags |= FAULT_FLAG_WRITE; - if (nonblocking) -@@ -435,14 +430,14 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - if (!(gup_flags & FOLL_FORCE)) - gup_flags |= FOLL_NUMA; - -- do { -+ while (nr_pages) { - struct page *page; - unsigned int foll_flags = gup_flags; - unsigned int page_increm; - - /* first iteration or cross vma bound */ - if (!vma || start >= vma->vm_end) { -- vma = find_extend_vma(mm, start); -+ vma = find_vma(mm, start); - if (!vma && in_gate_area(mm, start)) { - int ret; - ret = get_gate_page(mm, start & PAGE_MASK, -@@ -454,7 +449,7 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - goto next_page; - } - -- if (!vma || check_vma_flags(vma, gup_flags)) -+ if (!vma || start < vma->vm_start || check_vma_flags(vma, gup_flags)) - return i ? : -EFAULT; - if (is_vm_hugetlb_page(vma)) { - i = follow_hugetlb_page(mm, vma, pages, vmas, -@@ -509,7 +504,7 @@ next_page: - i += page_increm; - start += page_increm * PAGE_SIZE; - nr_pages -= page_increm; -- } while (nr_pages); -+ } - return i; - } - EXPORT_SYMBOL(__get_user_pages); -diff --git a/mm/highmem.c b/mm/highmem.c -index 123bcd3..0de52ba 100644 ---- a/mm/highmem.c -+++ b/mm/highmem.c -@@ -195,8 +195,9 @@ static void flush_all_zero_pkmaps(void) - * So no dangers, even with speculative execution. - */ - page = pte_page(pkmap_page_table[i]); -+ pax_open_kernel(); - pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]); -- -+ pax_close_kernel(); - set_page_address(page, NULL); - need_flush = 1; - } -@@ -259,9 +260,11 @@ start: - } - } - vaddr = PKMAP_ADDR(last_pkmap_nr); -+ -+ pax_open_kernel(); - set_pte_at(&init_mm, vaddr, - &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot)); -- -+ pax_close_kernel(); - pkmap_count[last_pkmap_nr] = 1; - set_page_address(page, (void *)vaddr); - -diff --git a/mm/hugetlb.c b/mm/hugetlb.c -index 8c4c1f9..7019e3d 100644 ---- a/mm/hugetlb.c -+++ b/mm/hugetlb.c -@@ -2365,6 +2365,7 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, - struct ctl_table *table, int write, - void __user *buffer, size_t *length, loff_t *ppos) - { -+ ctl_table_no_const t; - struct hstate *h = &default_hstate; - unsigned long tmp = h->max_huge_pages; - int ret; -@@ -2372,9 +2373,10 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, - if (!hugepages_supported()) - return -ENOTSUPP; - -- table->data = &tmp; -- table->maxlen = sizeof(unsigned long); -- ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); -+ t = *table; -+ t.data = &tmp; -+ t.maxlen = sizeof(unsigned long); -+ ret = proc_doulongvec_minmax(&t, write, buffer, length, ppos); - if (ret) - goto out; - -@@ -2409,6 +2411,7 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, - struct hstate *h = &default_hstate; - unsigned long tmp; - int ret; -+ ctl_table_no_const hugetlb_table; - - if (!hugepages_supported()) - return -ENOTSUPP; -@@ -2418,9 +2421,10 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, - if (write && hstate_is_gigantic(h)) - return -EINVAL; - -- table->data = &tmp; -- table->maxlen = sizeof(unsigned long); -- ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); -+ hugetlb_table = *table; -+ hugetlb_table.data = &tmp; -+ hugetlb_table.maxlen = sizeof(unsigned long); -+ ret = proc_doulongvec_minmax(&hugetlb_table, write, buffer, length, ppos); - if (ret) - goto out; - -@@ -2910,6 +2914,27 @@ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma, - i_mmap_unlock_write(mapping); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ struct vm_area_struct *vma_m; -+ unsigned long address_m; -+ pte_t *ptep_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK); -+ get_page(page_m); -+ hugepage_add_anon_rmap(page_m, vma_m, address_m); -+ set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0)); -+} -+#endif -+ - /* - * Hugetlb_cow() should be called with page lock of the original hugepage held. - * Called with hugetlb_instantiation_mutex held and pte_page locked so we -@@ -3023,6 +3048,11 @@ retry_avoidcopy: - make_huge_pte(vma, new_page, 1)); - page_remove_rmap(old_page); - hugepage_add_new_anon_rmap(new_page, vma, address); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, new_page); -+#endif -+ - /* Make the old page be freed below */ - new_page = old_page; - } -@@ -3184,6 +3214,10 @@ retry: - && (vma->vm_flags & VM_SHARED))); - set_huge_pte_at(mm, address, ptep, new_pte); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, page); -+#endif -+ - if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) { - /* Optimization, do the COW without a second fault */ - ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page, ptl); -@@ -3251,6 +3285,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, - struct address_space *mapping; - int need_wait_lock = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - address &= huge_page_mask(h); - - ptep = huge_pte_offset(mm, address); -@@ -3264,6 +3302,26 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, - VM_FAULT_SET_HINDEX(hstate_index(h)); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ h = hstate_vma(vma); -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ if (!huge_pte_alloc(mm, address_m, huge_page_size(h))) -+ return VM_FAULT_OOM; -+ address_m &= HPAGE_MASK; -+ unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL); -+ } -+#endif -+ - ptep = huge_pte_alloc(mm, address, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; -diff --git a/mm/internal.h b/mm/internal.h -index a25e359..e2c96e9 100644 ---- a/mm/internal.h -+++ b/mm/internal.h -@@ -156,6 +156,7 @@ __find_buddy_index(unsigned long page_idx, unsigned int order) - - extern int __isolate_free_page(struct page *page, unsigned int order); - extern void __free_pages_bootmem(struct page *page, unsigned int order); -+extern void free_compound_page(struct page *page); - extern void prep_compound_page(struct page *page, unsigned long order); - #ifdef CONFIG_MEMORY_FAILURE - extern bool is_free_buddy_page(struct page *page); -@@ -413,7 +414,7 @@ extern u32 hwpoison_filter_enable; - - extern unsigned long vm_mmap_pgoff(struct file *, unsigned long, - unsigned long, unsigned long, -- unsigned long, unsigned long); -+ unsigned long, unsigned long) __intentional_overflow(-1); - - extern void set_pageblock_order(void); - unsigned long reclaim_clean_pages_from_list(struct zone *zone, -diff --git a/mm/kmemleak.c b/mm/kmemleak.c -index 3716cdb..25b97dc 100644 ---- a/mm/kmemleak.c -+++ b/mm/kmemleak.c -@@ -368,7 +368,7 @@ static void print_unreferenced(struct seq_file *seq, - - for (i = 0; i < object->trace_len; i++) { - void *ptr = (void *)object->trace[i]; -- seq_printf(seq, " [<%p>] %pS\n", ptr, ptr); -+ seq_printf(seq, " [<%pP>] %pA\n", ptr, ptr); - } - } - -@@ -1926,7 +1926,7 @@ static int __init kmemleak_late_init(void) - return -ENOMEM; - } - -- dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, -+ dentry = debugfs_create_file("kmemleak", S_IRUSR, NULL, NULL, - &kmemleak_fops); - if (!dentry) - pr_warning("Failed to create the debugfs kmemleak file\n"); -diff --git a/mm/maccess.c b/mm/maccess.c -index d53adf9..03a24bf 100644 ---- a/mm/maccess.c -+++ b/mm/maccess.c -@@ -26,7 +26,7 @@ long __probe_kernel_read(void *dst, const void *src, size_t size) - set_fs(KERNEL_DS); - pagefault_disable(); - ret = __copy_from_user_inatomic(dst, -- (__force const void __user *)src, size); -+ (const void __force_user *)src, size); - pagefault_enable(); - set_fs(old_fs); - -@@ -53,7 +53,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size) - - set_fs(KERNEL_DS); - pagefault_disable(); -- ret = __copy_to_user_inatomic((__force void __user *)dst, src, size); -+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size); - pagefault_enable(); - set_fs(old_fs); - -diff --git a/mm/madvise.c b/mm/madvise.c -index d551475..8fdd7f3 100644 ---- a/mm/madvise.c -+++ b/mm/madvise.c -@@ -51,6 +51,10 @@ static long madvise_behavior(struct vm_area_struct *vma, - pgoff_t pgoff; - unsigned long new_flags = vma->vm_flags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - switch (behavior) { - case MADV_NORMAL: - new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ; -@@ -126,6 +130,13 @@ success: - /* - * vm_flags is protected by the mmap_sem held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT); -+#endif -+ - vma->vm_flags = new_flags; - - out: -@@ -277,11 +288,27 @@ static long madvise_dontneed(struct vm_area_struct *vma, - struct vm_area_struct **prev, - unsigned long start, unsigned long end) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - *prev = vma; - if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP)) - return -EINVAL; - - zap_page_range(vma, start, end - start, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ if (vma_m->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP)) -+ return -EINVAL; -+ -+ zap_page_range(vma_m, start + SEGMEXEC_TASK_SIZE, end - start, NULL); -+ } -+#endif -+ - return 0; - } - -@@ -484,6 +511,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior) - if (end < start) - return error; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return error; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return error; -+ - error = 0; - if (end == start) - return error; -diff --git a/mm/memory-failure.c b/mm/memory-failure.c -index 9f48145..60a2ac1 100644 ---- a/mm/memory-failure.c -+++ b/mm/memory-failure.c -@@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0; - - int sysctl_memory_failure_recovery __read_mostly = 1; - --atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); -+atomic_long_unchecked_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); - - #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE) - -@@ -198,7 +198,7 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno, - pfn, t->comm, t->pid); - si.si_signo = SIGBUS; - si.si_errno = 0; -- si.si_addr = (void *)addr; -+ si.si_addr = (void __user *)addr; - #ifdef __ARCH_SI_TRAPNO - si.si_trapno = trapno; - #endif -@@ -825,7 +825,7 @@ static struct page_state { - unsigned long res; - enum action_page_type type; - int (*action)(struct page *p, unsigned long pfn); --} error_states[] = { -+} __do_const error_states[] = { - { reserved, reserved, MSG_KERNEL, me_kernel }, - /* - * free pages are specially detected outside this table: -@@ -1133,7 +1133,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - nr_pages = 1 << compound_order(hpage); - else /* normal page or thp */ - nr_pages = 1; -- atomic_long_add(nr_pages, &num_poisoned_pages); -+ atomic_long_add_unchecked(nr_pages, &num_poisoned_pages); - - /* - * We need/can do nothing about count=0 pages. -@@ -1162,7 +1162,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - if (PageHWPoison(hpage)) { - if ((hwpoison_filter(p) && TestClearPageHWPoison(p)) - || (p != hpage && TestSetPageHWPoison(hpage))) { -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - unlock_page(hpage); - return 0; - } -@@ -1231,14 +1231,14 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - */ - if (!PageHWPoison(p)) { - printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn); -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - put_page(hpage); - res = 0; - goto out; - } - if (hwpoison_filter(p)) { - if (TestClearPageHWPoison(p)) -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - unlock_page(hpage); - put_page(hpage); - return 0; -@@ -1467,7 +1467,7 @@ int unpoison_memory(unsigned long pfn) - return 0; - } - if (TestClearPageHWPoison(p)) -- atomic_long_dec(&num_poisoned_pages); -+ atomic_long_dec_unchecked(&num_poisoned_pages); - pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn); - return 0; - } -@@ -1481,7 +1481,7 @@ int unpoison_memory(unsigned long pfn) - */ - if (TestClearPageHWPoison(page)) { - pr_info("MCE: Software-unpoisoned page %#lx\n", pfn); -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - freeit = 1; - if (PageHuge(page)) - clear_page_hwpoison_huge_page(page); -@@ -1617,11 +1617,11 @@ static int soft_offline_huge_page(struct page *page, int flags) - if (PageHuge(page)) { - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); -- atomic_long_add(1 << compound_order(hpage), -+ atomic_long_add_unchecked(1 << compound_order(hpage), - &num_poisoned_pages); - } else { - SetPageHWPoison(page); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } - return ret; -@@ -1660,7 +1660,7 @@ static int __soft_offline_page(struct page *page, int flags) - put_page(page); - pr_info("soft_offline: %#lx: invalidated\n", pfn); - SetPageHWPoison(page); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - return 0; - } - -@@ -1709,7 +1709,7 @@ static int __soft_offline_page(struct page *page, int flags) - if (!is_free_buddy_page(page)) - pr_info("soft offline: %#lx: page leaked\n", - pfn); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } else { - pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n", -@@ -1779,11 +1779,11 @@ int soft_offline_page(struct page *page, int flags) - if (PageHuge(page)) { - set_page_hwpoison_huge_page(hpage); - if (!dequeue_hwpoisoned_huge_page(hpage)) -- atomic_long_add(1 << compound_order(hpage), -+ atomic_long_add_unchecked(1 << compound_order(hpage), - &num_poisoned_pages); - } else { - if (!TestSetPageHWPoison(page)) -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } - unset_migratetype_isolate(page, MIGRATE_MOVABLE); -diff --git a/mm/memory.c b/mm/memory.c -index 2a9e098..37435af 100644 ---- a/mm/memory.c -+++ b/mm/memory.c -@@ -414,6 +414,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, - free_pte_range(tlb, pmd, addr); - } while (pmd++, addr = next, addr != end); - -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD) - start &= PUD_MASK; - if (start < floor) - return; -@@ -429,6 +430,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, - pud_clear(pud); - pmd_free_tlb(tlb, pmd, start); - mm_dec_nr_pmds(tlb->mm); -+#endif - } - - static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, -@@ -448,6 +450,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, - free_pmd_range(tlb, pud, addr, next, floor, ceiling); - } while (pud++, addr = next, addr != end); - -+#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD) - start &= PGDIR_MASK; - if (start < floor) - return; -@@ -462,6 +465,8 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, - pud = pud_offset(pgd, start); - pgd_clear(pgd); - pud_free_tlb(tlb, pud, start); -+#endif -+ - } - - /* -@@ -690,7 +695,7 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr, - /* - * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y - */ -- pr_alert("file:%pD fault:%pf mmap:%pf readpage:%pf\n", -+ pr_alert("file:%pD fault:%pX mmap:%pX readpage:%pX\n", - vma->vm_file, - vma->vm_ops ? vma->vm_ops->fault : NULL, - vma->vm_file ? vma->vm_file->f_op->mmap : NULL, -@@ -1463,6 +1468,10 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr, - page_add_file_rmap(page); - set_pte_at(mm, addr, pte, mk_pte(page, prot)); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, addr, page, ptl); -+#endif -+ - retval = 0; - pte_unmap_unlock(pte, ptl); - return retval; -@@ -1507,9 +1516,21 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, - if (!page_count(page)) - return -EINVAL; - if (!(vma->vm_flags & VM_MIXEDMAP)) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - BUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem)); - BUG_ON(vma->vm_flags & VM_PFNMAP); - vma->vm_flags |= VM_MIXEDMAP; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags |= VM_MIXEDMAP; -+#endif -+ - } - return insert_page(vma, addr, page, vma->vm_page_prot); - } -@@ -1592,6 +1613,7 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr, - unsigned long pfn) - { - BUG_ON(!(vma->vm_flags & VM_MIXEDMAP)); -+ BUG_ON(vma->vm_mirror); - - if (addr < vma->vm_start || addr >= vma->vm_end) - return -EFAULT; -@@ -1839,7 +1861,9 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, - - BUG_ON(pud_huge(*pud)); - -- pmd = pmd_alloc(mm, pud, addr); -+ pmd = (mm == &init_mm) ? -+ pmd_alloc_kernel(mm, pud, addr) : -+ pmd_alloc(mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -1859,7 +1883,9 @@ static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd, - unsigned long next; - int err; - -- pud = pud_alloc(mm, pgd, addr); -+ pud = (mm == &init_mm) ? -+ pud_alloc_kernel(mm, pgd, addr) : -+ pud_alloc(mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -@@ -2040,6 +2066,196 @@ static inline int wp_page_reuse(struct mm_struct *mm, - return VM_FAULT_WRITE; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ spinlock_t *ptl; -+ pte_t *pte, entry; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ entry = *pte; -+ if (pte_none(entry)) -+ ; -+ else if (!pte_present(entry)) { -+ swp_entry_t swapentry; -+ -+ swapentry = pte_to_swp_entry(entry); -+ if (!non_swap_entry(swapentry)) -+ dec_mm_counter_fast(mm, MM_SWAPENTS); -+ else if (is_migration_entry(swapentry)) { -+ if (PageAnon(migration_entry_to_page(swapentry))) -+ dec_mm_counter_fast(mm, MM_ANONPAGES); -+ else -+ dec_mm_counter_fast(mm, MM_FILEPAGES); -+ } -+ free_swap_and_cache(swapentry); -+ pte_clear_not_present_full(mm, address, pte, 0); -+ } else { -+ struct page *page; -+ -+ flush_cache_page(vma, address, pte_pfn(entry)); -+ entry = ptep_clear_flush(vma, address, pte); -+ BUG_ON(pte_dirty(entry)); -+ page = vm_normal_page(vma, address, entry); -+ if (page) { -+ update_hiwater_rss(mm); -+ if (PageAnon(page)) -+ dec_mm_counter_fast(mm, MM_ANONPAGES); -+ else -+ dec_mm_counter_fast(mm, MM_FILEPAGES); -+ page_remove_rmap(page); -+ page_cache_release(page); -+ } -+ } -+ pte_unmap_unlock(pte, ptl); -+} -+ -+/* PaX: if vma is mirrored, synchronize the mirror's PTE -+ * -+ * the ptl of the lower mapped page is held on entry and is not released on exit -+ * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc) -+ */ -+static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || !PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(!PageLocked(page_m)); -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_anon_rmap(page_m, vma_m, address_m); -+ inc_mm_counter_fast(mm, MM_ANONPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, pte_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+ unlock_page(page_m); -+} -+ -+void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_file_rmap(page_m); -+ inc_mm_counter_fast(mm, MM_FILEPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, pte_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl) -+{ -+ struct page *page_m; -+ pte_t entry; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC)) -+ goto out; -+ -+ entry = *pte; -+ page_m = vm_normal_page(vma, address, entry); -+ if (!page_m) -+ pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl); -+ else if (PageAnon(page_m)) { -+ if (pax_find_mirror_vma(vma)) { -+ pte_unmap_unlock(pte, ptl); -+ lock_page(page_m); -+ pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl); -+ if (pte_same(entry, *pte)) -+ pax_mirror_anon_pte(vma, address, page_m, ptl); -+ else -+ unlock_page(page_m); -+ } -+ } else -+ pax_mirror_file_pte(vma, address, page_m, ptl); -+ -+out: -+ pte_unmap_unlock(pte, ptl); -+} -+#endif -+ - /* - * Handle the case of a page which we actually need to copy to a new page. - * -@@ -2093,6 +2309,12 @@ static int wp_page_copy(struct mm_struct *mm, struct vm_area_struct *vma, - */ - page_table = pte_offset_map_lock(mm, pmd, address, &ptl); - if (likely(pte_same(*page_table, orig_pte))) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(new_page)); -+#endif -+ - if (old_page) { - if (!PageAnon(old_page)) { - dec_mm_counter_fast(mm, MM_FILEPAGES); -@@ -2147,6 +2369,10 @@ static int wp_page_copy(struct mm_struct *mm, struct vm_area_struct *vma, - page_remove_rmap(old_page); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, new_page, ptl); -+#endif -+ - /* Free the old page.. */ - new_page = old_page; - page_copied = 1; -@@ -2578,6 +2804,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, - swap_free(entry); - if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) - try_to_free_swap(page); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma)) -+#endif -+ - unlock_page(page); - if (page != swapcache) { - /* -@@ -2601,6 +2832,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - out: -@@ -2620,40 +2856,6 @@ out_release: - } - - /* -- * This is like a special single-page "expand_{down|up}wards()", -- * except we must first make sure that 'address{-|+}PAGE_SIZE' -- * doesn't hit another vma. -- */ --static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address) --{ -- address &= PAGE_MASK; -- if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) { -- struct vm_area_struct *prev = vma->vm_prev; -- -- /* -- * Is there a mapping abutting this one below? -- * -- * That's only ok if it's the same stack mapping -- * that has gotten split.. -- */ -- if (prev && prev->vm_end == address) -- return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM; -- -- return expand_downwards(vma, address - PAGE_SIZE); -- } -- if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) { -- struct vm_area_struct *next = vma->vm_next; -- -- /* As VM_GROWSDOWN but s/below/above/ */ -- if (next && next->vm_start == address + PAGE_SIZE) -- return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM; -- -- return expand_upwards(vma, address + PAGE_SIZE); -- } -- return 0; --} -- --/* - * We enter with non-exclusive mmap_sem (to exclude vma changes, - * but allow concurrent faults), and pte mapped but not yet locked. - * We return with mmap_sem still held, but pte unmapped and unlocked. -@@ -2663,31 +2865,29 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned int flags) - { - struct mem_cgroup *memcg; -- struct page *page; -+ struct page *page = NULL; - spinlock_t *ptl; - pte_t entry; - -- pte_unmap(page_table); -- - /* File mapping without ->vm_ops ? */ -- if (vma->vm_flags & VM_SHARED) -+ if (vma->vm_flags & VM_SHARED) { -+ pte_unmap(page_table); - return VM_FAULT_SIGBUS; -+ } - -- /* Check if we need to add a guard page to the stack */ -- if (check_stack_guard_page(vma, address) < 0) -- return VM_FAULT_SIGSEGV; -- -- /* Use the zero-page for reads */ - if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) { - entry = pte_mkspecial(pfn_pte(my_zero_pfn(address), - vma->vm_page_prot)); -- page_table = pte_offset_map_lock(mm, pmd, address, &ptl); -+ ptl = pte_lockptr(mm, pmd); -+ spin_lock(ptl); - if (!pte_none(*page_table)) - goto unlock; - goto setpte; - } - - /* Allocate our own private page. */ -+ pte_unmap(page_table); -+ - if (unlikely(anon_vma_prepare(vma))) - goto oom; - page = alloc_zeroed_user_highpage_movable(vma, address); -@@ -2711,6 +2911,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, - if (!pte_none(*page_table)) - goto release; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(page)); -+#endif -+ - inc_mm_counter_fast(mm, MM_ANONPAGES); - page_add_new_anon_rmap(page, vma, address); - mem_cgroup_commit_charge(page, memcg, false); -@@ -2720,6 +2925,12 @@ setpte: - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (page) -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - return 0; -@@ -2952,6 +3163,11 @@ static int do_read_fault(struct mm_struct *mm, struct vm_area_struct *vma, - return ret; - } - do_set_pte(vma, address, fault_page, pte, false, false); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, address, fault_page, ptl); -+#endif -+ - unlock_page(fault_page); - unlock_out: - pte_unmap_unlock(pte, ptl); -@@ -3003,7 +3219,18 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma, - } - goto uncharge_out; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(new_page)); -+#endif -+ - do_set_pte(vma, address, new_page, pte, true, true); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, new_page, ptl); -+#endif -+ - mem_cgroup_commit_charge(new_page, memcg, false); - lru_cache_add_active_or_unevictable(new_page, vma); - pte_unmap_unlock(pte, ptl); -@@ -3061,6 +3288,11 @@ static int do_shared_fault(struct mm_struct *mm, struct vm_area_struct *vma, - return ret; - } - do_set_pte(vma, address, fault_page, pte, true, false); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, address, fault_page, ptl); -+#endif -+ - pte_unmap_unlock(pte, ptl); - - if (set_page_dirty(fault_page)) -@@ -3286,6 +3518,12 @@ static int handle_pte_fault(struct mm_struct *mm, - if (flags & FAULT_FLAG_WRITE) - flush_tlb_fix_spurious_fault(vma, address); - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_pte(vma, address, pte, pmd, ptl); -+ return 0; -+#endif -+ - unlock: - pte_unmap_unlock(pte, ptl); - return 0; -@@ -3305,9 +3543,41 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, - pmd_t *pmd; - pte_t *pte; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - if (unlikely(is_vm_hugetlb_page(vma))) - return hugetlb_fault(mm, vma, address, flags); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ pgd_t *pgd_m; -+ pud_t *pud_m; -+ pmd_t *pmd_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ pgd_m = pgd_offset(mm, address_m); -+ pud_m = pud_alloc(mm, pgd_m, address_m); -+ if (!pud_m) -+ return VM_FAULT_OOM; -+ pmd_m = pmd_alloc(mm, pud_m, address_m); -+ if (!pmd_m) -+ return VM_FAULT_OOM; -+ if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m)) -+ return VM_FAULT_OOM; -+ pax_unmap_mirror_pte(vma_m, address_m, pmd_m); -+ } -+#endif -+ - pgd = pgd_offset(mm, address); - pud = pud_alloc(mm, pgd, address); - if (!pud) -@@ -3442,6 +3712,23 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address) - spin_unlock(&mm->page_table_lock); - return 0; - } -+ -+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address) -+{ -+ pud_t *new = pud_alloc_one(mm, address); -+ if (!new) -+ return -ENOMEM; -+ -+ smp_wmb(); /* See comment in __pte_alloc */ -+ -+ spin_lock(&mm->page_table_lock); -+ if (pgd_present(*pgd)) /* Another has populated it */ -+ pud_free(mm, new); -+ else -+ pgd_populate_kernel(mm, pgd, new); -+ spin_unlock(&mm->page_table_lock); -+ return 0; -+} - #endif /* __PAGETABLE_PUD_FOLDED */ - - #ifndef __PAGETABLE_PMD_FOLDED -@@ -3474,6 +3761,32 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address) - spin_unlock(&mm->page_table_lock); - return 0; - } -+ -+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address) -+{ -+ pmd_t *new = pmd_alloc_one(mm, address); -+ if (!new) -+ return -ENOMEM; -+ -+ smp_wmb(); /* See comment in __pte_alloc */ -+ -+ spin_lock(&mm->page_table_lock); -+#ifndef __ARCH_HAS_4LEVEL_HACK -+ if (!pud_present(*pud)) { -+ mm_inc_nr_pmds(mm); -+ pud_populate_kernel(mm, pud, new); -+ } else /* Another has populated it */ -+ pmd_free(mm, new); -+#else -+ if (!pgd_present(*pud)) { -+ mm_inc_nr_pmds(mm); -+ pgd_populate_kernel(mm, pud, new); -+ } else /* Another has populated it */ -+ pmd_free(mm, new); -+#endif /* __ARCH_HAS_4LEVEL_HACK */ -+ spin_unlock(&mm->page_table_lock); -+ return 0; -+} - #endif /* __PAGETABLE_PMD_FOLDED */ - - static int __follow_pte(struct mm_struct *mm, unsigned long address, -@@ -3583,8 +3896,8 @@ out: - return ret; - } - --int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write) -+ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write) - { - resource_size_t phys_addr; - unsigned long prot = 0; -@@ -3610,8 +3923,8 @@ EXPORT_SYMBOL_GPL(generic_access_phys); - * Access another process' address space as given in mm. If non-NULL, use the - * given task for page fault accounting. - */ --static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -- unsigned long addr, void *buf, int len, int write) -+static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -+ unsigned long addr, void *buf, size_t len, int write) - { - struct vm_area_struct *vma; - void *old_buf = buf; -@@ -3619,7 +3932,7 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - down_read(&mm->mmap_sem); - /* ignore errors, just check how much was successfully transferred */ - while (len) { -- int bytes, ret, offset; -+ ssize_t bytes, ret, offset; - void *maddr; - struct page *page = NULL; - -@@ -3680,8 +3993,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - * - * The caller must hold a reference on @mm. - */ --int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write) - { - return __access_remote_vm(NULL, mm, addr, buf, len, write); - } -@@ -3691,11 +4004,11 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr, - * Source/target buffer must be kernel space, - * Do not walk the page table directly, use get_user_pages - */ --int access_process_vm(struct task_struct *tsk, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, -+ void *buf, size_t len, int write) - { - struct mm_struct *mm; -- int ret; -+ ssize_t ret; - - mm = get_task_mm(tsk); - if (!mm) -diff --git a/mm/mempolicy.c b/mm/mempolicy.c -index 99d4c1d..a577817 100644 ---- a/mm/mempolicy.c -+++ b/mm/mempolicy.c -@@ -703,6 +703,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, - unsigned long vmstart; - unsigned long vmend; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - vma = find_vma(mm, start); - if (!vma || vma->vm_start > start) - return -EFAULT; -@@ -746,6 +750,16 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, - err = vma_replace_policy(vma, new_pol); - if (err) - goto out; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ err = vma_replace_policy(vma_m, new_pol); -+ if (err) -+ goto out; -+ } -+#endif -+ - } - - out: -@@ -1161,6 +1175,17 @@ static long do_mbind(unsigned long start, unsigned long len, - - if (end < start) - return -EINVAL; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (end == start) - return 0; - -@@ -1386,8 +1411,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, - */ - tcred = __task_cred(task); - if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && -- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) && -- !capable(CAP_SYS_NICE)) { -+ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out_put; -@@ -1418,6 +1442,15 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, - goto out; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (mm != current->mm && -+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) { -+ mmput(mm); -+ err = -EPERM; -+ goto out; -+ } -+#endif -+ - err = do_migrate_pages(mm, old, new, - capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE); - -diff --git a/mm/migrate.c b/mm/migrate.c -index f53838f..a26fa94 100644 ---- a/mm/migrate.c -+++ b/mm/migrate.c -@@ -1484,8 +1484,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, - */ - tcred = __task_cred(task); - if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && -- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) && -- !capable(CAP_SYS_NICE)) { -+ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out; -diff --git a/mm/mlock.c b/mm/mlock.c -index 6fd2cf1..cbae765 100644 ---- a/mm/mlock.c -+++ b/mm/mlock.c -@@ -14,6 +14,7 @@ - #include <linux/pagevec.h> - #include <linux/mempolicy.h> - #include <linux/syscalls.h> -+#include <linux/security.h> - #include <linux/sched.h> - #include <linux/export.h> - #include <linux/rmap.h> -@@ -557,7 +558,7 @@ static int do_mlock(unsigned long start, size_t len, int on) - { - unsigned long nstart, end, tmp; - struct vm_area_struct * vma, * prev; -- int error; -+ int error = 0; - - VM_BUG_ON(start & ~PAGE_MASK); - VM_BUG_ON(len != PAGE_ALIGN(len)); -@@ -566,6 +567,9 @@ static int do_mlock(unsigned long start, size_t len, int on) - return -EINVAL; - if (end == start) - return 0; -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - vma = find_vma(current->mm, start); - if (!vma || vma->vm_start > start) - return -ENOMEM; -@@ -577,6 +581,11 @@ static int do_mlock(unsigned long start, size_t len, int on) - for (nstart = start ; ; ) { - vm_flags_t newflags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif -+ - /* Here we know that vma->vm_start <= nstart < vma->vm_end. */ - - newflags = vma->vm_flags & ~VM_LOCKED; -@@ -627,6 +636,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len) - locked += current->mm->locked_vm; - - /* check against resource limits */ -+ gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1); - if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) - error = do_mlock(start, len, 1); - -@@ -668,6 +678,11 @@ static int do_mlockall(int flags) - for (vma = current->mm->mmap; vma ; vma = prev->vm_next) { - vm_flags_t newflags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif -+ - newflags = vma->vm_flags & ~VM_LOCKED; - if (flags & MCL_CURRENT) - newflags |= VM_LOCKED; -@@ -699,8 +714,10 @@ SYSCALL_DEFINE1(mlockall, int, flags) - lock_limit >>= PAGE_SHIFT; - - ret = -ENOMEM; -+ -+ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1); -+ - down_write(&current->mm->mmap_sem); -- - if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || - capable(CAP_IPC_LOCK)) - ret = do_mlockall(flags); -diff --git a/mm/mm_init.c b/mm/mm_init.c -index 5f420f7..dd42fb1b 100644 ---- a/mm/mm_init.c -+++ b/mm/mm_init.c -@@ -177,7 +177,7 @@ static int __meminit mm_compute_batch_notifier(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block compute_batch_nb __meminitdata = { -+static struct notifier_block compute_batch_nb __meminitconst = { - .notifier_call = mm_compute_batch_notifier, - .priority = IPC_CALLBACK_PRI, /* use lowest priority */ - }; -diff --git a/mm/mmap.c b/mm/mmap.c -index bb50cac..6d50a9f 100644 ---- a/mm/mmap.c -+++ b/mm/mmap.c -@@ -41,6 +41,7 @@ - #include <linux/notifier.h> - #include <linux/memory.h> - #include <linux/printk.h> -+#include <linux/random.h> - - #include <asm/uaccess.h> - #include <asm/cacheflush.h> -@@ -57,6 +58,16 @@ - #define arch_rebalance_pgtables(addr, len) (addr) - #endif - -+static inline void verify_mm_writelocked(struct mm_struct *mm) -+{ -+#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX) -+ if (unlikely(down_read_trylock(&mm->mmap_sem))) { -+ up_read(&mm->mmap_sem); -+ BUG(); -+ } -+#endif -+} -+ - static void unmap_region(struct mm_struct *mm, - struct vm_area_struct *vma, struct vm_area_struct *prev, - unsigned long start, unsigned long end); -@@ -76,16 +87,25 @@ static void unmap_region(struct mm_struct *mm, - * x: (no) no x: (no) yes x: (no) yes x: (yes) yes - * - */ --pgprot_t protection_map[16] = { -+pgprot_t protection_map[16] __read_only = { - __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111, - __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 - }; - --pgprot_t vm_get_page_prot(unsigned long vm_flags) -+pgprot_t vm_get_page_prot(vm_flags_t vm_flags) - { -- return __pgprot(pgprot_val(protection_map[vm_flags & -+ pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | - pgprot_val(arch_vm_get_page_prot(vm_flags))); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if (!(__supported_pte_mask & _PAGE_NX) && -+ (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC && -+ (vm_flags & (VM_READ | VM_WRITE))) -+ prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot))))); -+#endif -+ -+ return prot; - } - EXPORT_SYMBOL(vm_get_page_prot); - -@@ -114,6 +134,7 @@ unsigned long sysctl_overcommit_kbytes __read_mostly; - int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT; - unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */ - unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */ -+unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024; - /* - * Make sure vm_committed_as in one cacheline and not cacheline shared with - * other variables. It can be updated by several CPUs frequently. -@@ -271,6 +292,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma) - struct vm_area_struct *next = vma->vm_next; - - might_sleep(); -+ BUG_ON(vma->vm_mirror); - if (vma->vm_ops && vma->vm_ops->close) - vma->vm_ops->close(vma); - if (vma->vm_file) -@@ -284,6 +306,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len); - - SYSCALL_DEFINE1(brk, unsigned long, brk) - { -+ unsigned long rlim; - unsigned long retval; - unsigned long newbrk, oldbrk; - struct mm_struct *mm = current->mm; -@@ -314,7 +337,13 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) - * segment grow beyond its set limit the in case where the limit is - * not page aligned -Ram Gupta - */ -- if (check_data_rlimit(rlimit(RLIMIT_DATA), brk, mm->start_brk, -+ rlim = rlimit(RLIMIT_DATA); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* force a minimum 16MB brk heap on setuid/setgid binaries */ -+ if (rlim < PAGE_SIZE && (get_dumpable(mm) != SUID_DUMP_USER) && gr_is_global_nonroot(current_uid())) -+ rlim = 4096 * PAGE_SIZE; -+#endif -+ if (check_data_rlimit(rlim, brk, mm->start_brk, - mm->end_data, mm->start_data)) - goto out; - -@@ -967,6 +996,12 @@ static int - can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) { - if (vma->vm_pgoff == vm_pgoff) -@@ -986,6 +1021,12 @@ static int - can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) { - pgoff_t vm_pglen; -@@ -1035,6 +1076,13 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - struct vm_area_struct *area, *next; - int err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE; -+ struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL; -+ -+ BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end); -+#endif -+ - /* - * We later require that vma->vm_flags == vm_flags, - * so this tests vma->vm_flags & VM_SPECIAL, too. -@@ -1050,6 +1098,15 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - if (next && next->vm_end == end) /* cases 6, 7, 8 */ - next = next->vm_next; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (prev) -+ prev_m = pax_find_mirror_vma(prev); -+ if (area) -+ area_m = pax_find_mirror_vma(area); -+ if (next) -+ next_m = pax_find_mirror_vma(next); -+#endif -+ - /* - * Can it merge with the predecessor? - */ -@@ -1069,9 +1126,24 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - /* cases 1, 6 */ - err = vma_adjust(prev, prev->vm_start, - next->vm_end, prev->vm_pgoff, NULL); -- } else /* cases 2, 5, 7 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ next_m->vm_end, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 2, 5, 7 */ - err = vma_adjust(prev, prev->vm_start, - end, prev->vm_pgoff, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ end_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(prev, vm_flags); -@@ -1085,12 +1157,27 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - mpol_equal(policy, vma_policy(next)) && - can_vma_merge_before(next, vm_flags, - anon_vma, file, pgoff+pglen)) { -- if (prev && addr < prev->vm_end) /* case 4 */ -+ if (prev && addr < prev->vm_end) { /* case 4 */ - err = vma_adjust(prev, prev->vm_start, - addr, prev->vm_pgoff, NULL); -- else /* cases 3, 8 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ addr_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 3, 8 */ - err = vma_adjust(area, addr, next->vm_end, - next->vm_pgoff - pglen, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && area_m) -+ err = vma_adjust(area_m, addr_m, next_m->vm_end, -+ next_m->vm_pgoff - pglen, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(area, vm_flags); -@@ -1199,8 +1286,10 @@ none: - void vm_stat_account(struct mm_struct *mm, unsigned long flags, - struct file *file, long pages) - { -- const unsigned long stack_flags -- = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif - - mm->total_vm += pages; - -@@ -1208,7 +1297,7 @@ void vm_stat_account(struct mm_struct *mm, unsigned long flags, - mm->shared_vm += pages; - if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC) - mm->exec_vm += pages; -- } else if (flags & stack_flags) -+ } else if (flags & (VM_GROWSUP|VM_GROWSDOWN)) - mm->stack_vm += pages; - } - #endif /* CONFIG_PROC_FS */ -@@ -1238,6 +1327,7 @@ static inline int mlock_future_check(struct mm_struct *mm, - locked += mm->locked_vm; - lock_limit = rlimit(RLIMIT_MEMLOCK); - lock_limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - return -EAGAIN; - } -@@ -1264,7 +1354,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - * (the exception is when the underlying filesystem is noexec - * mounted, in which case we dont add PROT_EXEC.) - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC))) - prot |= PROT_EXEC; - -@@ -1290,7 +1380,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - /* Obtain the address to map to. we verify (or select) it and ensure - * that it represents a valid section of the address space. - */ -- addr = get_unmapped_area(file, addr, len, pgoff, flags); -+ addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0)); - if (addr & ~PAGE_MASK) - return addr; - -@@ -1301,6 +1391,43 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) | - mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (file && !pgoff && (vm_flags & VM_EXEC) && mm->binfmt && -+ mm->binfmt->handle_mmap) -+ mm->binfmt->handle_mmap(file); -+#endif -+ -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) { -+ gr_log_rwxmmap(file); -+ -+#ifdef CONFIG_PAX_EMUPLT -+ vm_flags &= ~VM_EXEC; -+#else -+ return -EPERM; -+#endif -+ -+ } -+ -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file) -+ vm_flags &= ~VM_PAGEEXEC; -+#endif -+ - if (flags & MAP_LOCKED) - if (!can_do_mlock()) - return -EPERM; -@@ -1388,6 +1515,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - vm_flags |= VM_NORESERVE; - } - -+ if (!gr_acl_handle_mmap(file, prot)) -+ return -EACCES; -+ - addr = mmap_region(file, addr, len, vm_flags, pgoff); - if (!IS_ERR_VALUE(addr) && - ((vm_flags & VM_LOCKED) || -@@ -1481,7 +1611,7 @@ int vma_wants_writenotify(struct vm_area_struct *vma) - vm_flags_t vm_flags = vma->vm_flags; - - /* If it was private or non-writable, the write bit is already clear */ -- if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) -+ if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED)) - return 0; - - /* The backer wishes to know when pages are first written to? */ -@@ -1532,7 +1662,22 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - struct rb_node **rb_link, *rb_parent; - unsigned long charged = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - /* Check against address space limit. */ -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (vm_flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif -+ - if (!may_expand_vm(mm, len >> PAGE_SHIFT)) { - unsigned long nr_pages; - -@@ -1555,6 +1700,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -+ BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)); - } - - /* -@@ -1586,6 +1732,16 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - goto unacct_error; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto free_vma; -+ } -+ } -+#endif -+ - vma->vm_mm = mm; - vma->vm_start = addr; - vma->vm_end = addr + len; -@@ -1616,6 +1772,13 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - if (error) - goto unmap_and_free_vma; - -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) { -+ vma->vm_flags |= VM_PAGEEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ } -+#endif -+ - /* Can addr have changed?? - * - * Answer: Yes, several device drivers can do it in their -@@ -1634,6 +1797,12 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - } - - vma_link(mm, vma, prev, rb_link, rb_parent); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - /* Once vma denies write, undo our temporary denial count */ - if (file) { - if (vm_flags & VM_SHARED) -@@ -1646,6 +1815,7 @@ out: - perf_event_mmap(vma); - - vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT); -+ track_exec_limit(mm, addr, addr + len, vm_flags); - if (vm_flags & VM_LOCKED) { - if (!((vm_flags & VM_SPECIAL) || is_vm_hugetlb_page(vma) || - vma == get_gate_vma(current->mm))) -@@ -1683,6 +1853,12 @@ allow_write_and_free_vma: - if (vm_flags & VM_DENYWRITE) - allow_write_access(file); - free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ kmem_cache_free(vm_area_cachep, vma_m); -+#endif -+ - kmem_cache_free(vm_area_cachep, vma); - unacct_error: - if (charged) -@@ -1690,7 +1866,63 @@ unacct_error: - return error; - } - --unsigned long unmapped_area(struct vm_unmapped_area_info *info) -+#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK -+unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags) -+{ -+ if ((mm->pax_flags & MF_PAX_RANDMMAP) && !filp && (flags & MAP_STACK)) -+ return ((prandom_u32() & 0xFF) + 1) << PAGE_SHIFT; -+ -+ return 0; -+} -+#endif -+ -+bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset) -+{ -+ if (!vma) { -+#ifdef CONFIG_STACK_GROWSUP -+ if (addr > sysctl_heap_stack_gap) -+ vma = find_vma(current->mm, addr - sysctl_heap_stack_gap); -+ else -+ vma = find_vma(current->mm, 0); -+ if (vma && (vma->vm_flags & VM_GROWSUP)) -+ return false; -+#endif -+ return true; -+ } -+ -+ if (addr + len > vma->vm_start) -+ return false; -+ -+ if (vma->vm_flags & VM_GROWSDOWN) -+ return sysctl_heap_stack_gap <= vma->vm_start - addr - len; -+#ifdef CONFIG_STACK_GROWSUP -+ else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) -+ return addr - vma->vm_prev->vm_end >= sysctl_heap_stack_gap; -+#endif -+ else if (offset) -+ return offset <= vma->vm_start - addr - len; -+ -+ return true; -+} -+ -+unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset) -+{ -+ if (vma->vm_start < len) -+ return -ENOMEM; -+ -+ if (!(vma->vm_flags & VM_GROWSDOWN)) { -+ if (offset <= vma->vm_start - len) -+ return vma->vm_start - len - offset; -+ else -+ return -ENOMEM; -+ } -+ -+ if (sysctl_heap_stack_gap <= vma->vm_start - len) -+ return vma->vm_start - len - sysctl_heap_stack_gap; -+ return -ENOMEM; -+} -+ -+unsigned long unmapped_area(const struct vm_unmapped_area_info *info) - { - /* - * We implement the search by looking for an rbtree node that -@@ -1738,11 +1970,29 @@ unsigned long unmapped_area(struct vm_unmapped_area_info *info) - } - } - -- gap_start = vma->vm_prev ? vma->vm_prev->vm_end : 0; -+ gap_start = vma->vm_prev ? vma->vm_prev->vm_end: 0; - check_current: - /* Check if current node has a suitable gap */ - if (gap_start > high_limit) - return -ENOMEM; -+ -+ if (gap_end - gap_start > info->threadstack_offset) -+ gap_start += info->threadstack_offset; -+ else -+ gap_start = gap_end; -+ -+ if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_start += sysctl_heap_stack_gap; -+ else -+ gap_start = gap_end; -+ } -+ if (vma->vm_flags & VM_GROWSDOWN) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_end -= sysctl_heap_stack_gap; -+ else -+ gap_end = gap_start; -+ } - if (gap_end >= low_limit && gap_end - gap_start >= length) - goto found; - -@@ -1792,7 +2042,7 @@ found: - return gap_start; - } - --unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info) -+unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info) - { - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -@@ -1846,6 +2096,24 @@ check_current: - gap_end = vma->vm_start; - if (gap_end < low_limit) - return -ENOMEM; -+ -+ if (gap_end - gap_start > info->threadstack_offset) -+ gap_end -= info->threadstack_offset; -+ else -+ gap_end = gap_start; -+ -+ if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_start += sysctl_heap_stack_gap; -+ else -+ gap_start = gap_end; -+ } -+ if (vma->vm_flags & VM_GROWSDOWN) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_end -= sysctl_heap_stack_gap; -+ else -+ gap_end = gap_start; -+ } - if (gap_start <= high_limit && gap_end - gap_start >= length) - goto found; - -@@ -1909,6 +2177,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (len > TASK_SIZE - mmap_min_addr) - return -ENOMEM; -@@ -1916,11 +2185,15 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && -- (!vma || addr + len <= vma->vm_start)) -+ check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -1929,6 +2202,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; - info.align_mask = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - #endif -@@ -1947,6 +2221,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - /* requested length too big for entire address space */ - if (len > TASK_SIZE - mmap_min_addr) -@@ -1955,12 +2230,16 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && -- (!vma || addr + len <= vma->vm_start)) -+ check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -1969,6 +2248,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.low_limit = max(PAGE_SIZE, mmap_min_addr); - info.high_limit = mm->mmap_base; - info.align_mask = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -1981,6 +2261,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -@@ -2081,6 +2367,28 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr, - return vma; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *vma_m; -+ -+ BUG_ON(!vma || vma->vm_start >= vma->vm_end); -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) { -+ BUG_ON(vma->vm_mirror); -+ return NULL; -+ } -+ BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end); -+ vma_m = vma->vm_mirror; -+ BUG_ON(!vma_m || vma_m->vm_mirror != vma); -+ BUG_ON(vma->vm_file != vma_m->vm_file); -+ BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start); -+ BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff); -+ BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root); -+ BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED)); -+ return vma_m; -+} -+#endif -+ - /* - * Verify that the stack growth is acceptable and - * update accounting. This is shared with both the -@@ -2098,8 +2406,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - - /* Stack limit test */ - actual_size = size; -- if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN))) -- actual_size -= PAGE_SIZE; -+ gr_learn_resource(current, RLIMIT_STACK, actual_size, 1); - if (actual_size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur)) - return -ENOMEM; - -@@ -2110,6 +2417,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - locked = mm->locked_vm + grow; - limit = READ_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur); - limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > limit && !capable(CAP_IPC_LOCK)) - return -ENOMEM; - } -@@ -2139,37 +2447,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - * PA-RISC uses this for its stack; IA64 for its Register Backing Store. - * vma is the last one with address > vma->vm_end. Have to extend vma. - */ -+#ifndef CONFIG_IA64 -+static -+#endif - int expand_upwards(struct vm_area_struct *vma, unsigned long address) - { - int error; -+ bool locknext; - - if (!(vma->vm_flags & VM_GROWSUP)) - return -EFAULT; - -+ /* Also guard against wrapping around to address 0. */ -+ if (address < PAGE_ALIGN(address+1)) -+ address = PAGE_ALIGN(address+1); -+ else -+ return -ENOMEM; -+ - /* - * We must make sure the anon_vma is allocated - * so that the anon_vma locking is not a noop. - */ - if (unlikely(anon_vma_prepare(vma))) - return -ENOMEM; -+ locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN); -+ if (locknext && anon_vma_prepare(vma->vm_next)) -+ return -ENOMEM; - vma_lock_anon_vma(vma); -+ if (locknext) -+ vma_lock_anon_vma(vma->vm_next); - - /* - * vma->vm_start/vm_end cannot change under us because the caller - * is required to hold the mmap_sem in read mode. We need the -- * anon_vma lock to serialize against concurrent expand_stacks. -- * Also guard against wrapping around to address 0. -+ * anon_vma locks to serialize against concurrent expand_stacks -+ * and expand_upwards. - */ -- if (address < PAGE_ALIGN(address+4)) -- address = PAGE_ALIGN(address+4); -- else { -- vma_unlock_anon_vma(vma); -- return -ENOMEM; -- } - error = 0; - - /* Somebody else might have raced and expanded it already */ -- if (address > vma->vm_end) { -+ if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) { - unsigned long size, grow; - - size = address - vma->vm_start; -@@ -2204,6 +2523,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) - } - } - } -+ if (locknext) -+ vma_unlock_anon_vma(vma->vm_next); - vma_unlock_anon_vma(vma); - khugepaged_enter_vma_merge(vma, vma->vm_flags); - validate_mm(vma->vm_mm); -@@ -2218,6 +2539,8 @@ int expand_downwards(struct vm_area_struct *vma, - unsigned long address) - { - int error; -+ bool lockprev = false; -+ struct vm_area_struct *prev; - - /* - * We must make sure the anon_vma is allocated -@@ -2231,6 +2554,15 @@ int expand_downwards(struct vm_area_struct *vma, - if (error) - return error; - -+ prev = vma->vm_prev; -+#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64) -+ lockprev = prev && (prev->vm_flags & VM_GROWSUP); -+#endif -+ if (lockprev && anon_vma_prepare(prev)) -+ return -ENOMEM; -+ if (lockprev) -+ vma_lock_anon_vma(prev); -+ - vma_lock_anon_vma(vma); - - /* -@@ -2240,9 +2572,17 @@ int expand_downwards(struct vm_area_struct *vma, - */ - - /* Somebody else might have raced and expanded it already */ -- if (address < vma->vm_start) { -+ if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) { - unsigned long size, grow; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - size = vma->vm_end - address; - grow = (vma->vm_start - address) >> PAGE_SHIFT; - -@@ -2267,13 +2607,27 @@ int expand_downwards(struct vm_area_struct *vma, - vma->vm_pgoff -= grow; - anon_vma_interval_tree_post_update_vma(vma); - vma_gap_update(vma); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ anon_vma_interval_tree_pre_update_vma(vma_m); -+ vma_m->vm_start -= grow << PAGE_SHIFT; -+ vma_m->vm_pgoff -= grow; -+ anon_vma_interval_tree_post_update_vma(vma_m); -+ vma_gap_update(vma_m); -+ } -+#endif -+ - spin_unlock(&vma->vm_mm->page_table_lock); - -+ track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags); - perf_event_mmap(vma); - } - } - } - vma_unlock_anon_vma(vma); -+ if (lockprev) -+ vma_unlock_anon_vma(prev); - khugepaged_enter_vma_merge(vma, vma->vm_flags); - validate_mm(vma->vm_mm); - return error; -@@ -2373,6 +2727,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma) - do { - long nrpages = vma_pages(vma); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) { -+ vma = remove_vma(vma); -+ continue; -+ } -+#endif -+ - if (vma->vm_flags & VM_ACCOUNT) - nr_accounted += nrpages; - vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages); -@@ -2417,6 +2778,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma, - insertion_point = (prev ? &prev->vm_next : &mm->mmap); - vma->vm_prev = NULL; - do { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma->vm_mirror) { -+ BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma); -+ vma->vm_mirror->vm_mirror = NULL; -+ vma->vm_mirror->vm_flags &= ~VM_EXEC; -+ vma->vm_mirror = NULL; -+ } -+#endif -+ - vma_rb_erase(vma, &mm->mm_rb); - mm->map_count--; - tail_vma = vma; -@@ -2444,14 +2815,33 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - struct vm_area_struct *new; - int err = -ENOMEM; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m, *new_m = NULL; -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (is_vm_hugetlb_page(vma) && (addr & - ~(huge_page_mask(hstate_vma(vma))))) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); - if (!new) - goto out_err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!new_m) { -+ kmem_cache_free(vm_area_cachep, new); -+ goto out_err; -+ } -+ } -+#endif -+ - /* most fields are the same, copy all, and then fixup */ - *new = *vma; - -@@ -2464,6 +2854,22 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ *new_m = *vma_m; -+ INIT_LIST_HEAD(&new_m->anon_vma_chain); -+ new_m->vm_mirror = new; -+ new->vm_mirror = new_m; -+ -+ if (new_below) -+ new_m->vm_end = addr_m; -+ else { -+ new_m->vm_start = addr_m; -+ new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT); -+ } -+ } -+#endif -+ - err = vma_dup_policy(vma, new); - if (err) - goto out_free_vma; -@@ -2484,6 +2890,38 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - else - err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && vma_m) { -+ struct mempolicy *pol = vma_policy(new); -+ -+ if (anon_vma_clone(new_m, vma_m)) -+ goto out_free_mpol; -+ -+ mpol_get(pol); -+ set_vma_policy(new_m, pol); -+ -+ if (new_m->vm_file) -+ get_file(new_m->vm_file); -+ -+ if (new_m->vm_ops && new_m->vm_ops->open) -+ new_m->vm_ops->open(new_m); -+ -+ if (new_below) -+ err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff + -+ ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m); -+ else -+ err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m); -+ -+ if (err) { -+ if (new_m->vm_ops && new_m->vm_ops->close) -+ new_m->vm_ops->close(new_m); -+ if (new_m->vm_file) -+ fput(new_m->vm_file); -+ mpol_put(pol); -+ } -+ } -+#endif -+ - /* Success. */ - if (!err) - return 0; -@@ -2493,10 +2931,18 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - new->vm_ops->close(new); - if (new->vm_file) - fput(new->vm_file); -- unlink_anon_vmas(new); - out_free_mpol: - mpol_put(vma_policy(new)); - out_free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (new_m) { -+ unlink_anon_vmas(new_m); -+ kmem_cache_free(vm_area_cachep, new_m); -+ } -+#endif -+ -+ unlink_anon_vmas(new); - kmem_cache_free(vm_area_cachep, new); - out_err: - return err; -@@ -2509,6 +2955,15 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long addr, int new_below) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE); -+ if (mm->map_count >= sysctl_max_map_count-1) -+ return -ENOMEM; -+ } else -+#endif -+ - if (mm->map_count >= sysctl_max_map_count) - return -ENOMEM; - -@@ -2520,11 +2975,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - * work. This now handles partial unmappings. - * Jeremy Fitzhardinge <jeremy(a)goop.org> - */ -+#ifdef CONFIG_PAX_SEGMEXEC - int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) - { -+ int ret = __do_munmap(mm, start, len); -+ if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC)) -+ return ret; -+ -+ return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len); -+} -+ -+int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#else -+int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#endif -+{ - unsigned long end; - struct vm_area_struct *vma, *prev, *last; - -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start) - return -EINVAL; - -@@ -2602,6 +3076,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) - /* Fix up all other VM information */ - remove_vma_list(mm, vma); - -+ track_exec_limit(mm, start, end, 0UL); -+ - return 0; - } - -@@ -2610,6 +3086,13 @@ int vm_munmap(unsigned long start, size_t len) - int ret; - struct mm_struct *mm = current->mm; - -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && -+ (len > SEGMEXEC_TASK_SIZE || start > SEGMEXEC_TASK_SIZE-len)) -+ return -EINVAL; -+#endif -+ - down_write(&mm->mmap_sem); - ret = do_munmap(mm, start, len); - up_write(&mm->mmap_sem); -@@ -2656,6 +3139,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, - down_write(&mm->mmap_sem); - vma = find_vma(mm, start); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC)) -+ goto out; -+#endif -+ - if (!vma || !(vma->vm_flags & VM_SHARED)) - goto out; - -@@ -2692,16 +3180,6 @@ out: - return ret; - } - --static inline void verify_mm_writelocked(struct mm_struct *mm) --{ --#ifdef CONFIG_DEBUG_VM -- if (unlikely(down_read_trylock(&mm->mmap_sem))) { -- WARN_ON(1); -- up_read(&mm->mmap_sem); -- } --#endif --} -- - /* - * this is really a simplified "do_mmap". it only handles - * anonymous maps. eventually we may be able to do some -@@ -2715,6 +3193,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - struct rb_node **rb_link, *rb_parent; - pgoff_t pgoff = addr >> PAGE_SHIFT; - int error; -+ unsigned long charged; - - len = PAGE_ALIGN(len); - if (!len) -@@ -2722,10 +3201,24 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - - flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED); - if (error & ~PAGE_MASK) - return error; - -+ charged = len >> PAGE_SHIFT; -+ - error = mlock_future_check(mm, mm->def_flags, len); - if (error) - return error; -@@ -2743,16 +3236,17 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -+ BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)); - } - - /* Check against address space limits *after* clearing old maps... */ -- if (!may_expand_vm(mm, len >> PAGE_SHIFT)) -+ if (!may_expand_vm(mm, charged)) - return -ENOMEM; - - if (mm->map_count > sysctl_max_map_count) - return -ENOMEM; - -- if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT)) -+ if (security_vm_enough_memory_mm(mm, charged)) - return -ENOMEM; - - /* Can we just expand an old private anonymous mapping? */ -@@ -2766,7 +3260,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - */ - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!vma) { -- vm_unacct_memory(len >> PAGE_SHIFT); -+ vm_unacct_memory(charged); - return -ENOMEM; - } - -@@ -2780,10 +3274,11 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - vma_link(mm, vma, prev, rb_link, rb_parent); - out: - perf_event_mmap(vma); -- mm->total_vm += len >> PAGE_SHIFT; -+ mm->total_vm += charged; - if (flags & VM_LOCKED) -- mm->locked_vm += (len >> PAGE_SHIFT); -+ mm->locked_vm += charged; - vma->vm_flags |= VM_SOFTDIRTY; -+ track_exec_limit(mm, addr, addr + len, flags); - return addr; - } - -@@ -2845,6 +3340,7 @@ void exit_mmap(struct mm_struct *mm) - while (vma) { - if (vma->vm_flags & VM_ACCOUNT) - nr_accounted += vma_pages(vma); -+ vma->vm_mirror = NULL; - vma = remove_vma(vma); - } - vm_unacct_memory(nr_accounted); -@@ -2859,6 +3355,13 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma) - struct vm_area_struct *prev; - struct rb_node **rb_link, *rb_parent; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ if (security_mmap_addr(vma->vm_start)) -+ return -EPERM; -+ - /* - * The vm_pgoff of a purely anonymous vma should be irrelevant - * until its first write fault, when page's anon_vma and index -@@ -2882,7 +3385,21 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma) - security_vm_enough_memory_mm(mm, vma_pages(vma))) - return -ENOMEM; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) -+ return -ENOMEM; -+ } -+#endif -+ - vma_link(mm, vma, prev, rb_link, rb_parent); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - return 0; - } - -@@ -2901,6 +3418,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, - struct rb_node **rb_link, *rb_parent; - bool faulted_in_anon_vma = true; - -+ BUG_ON(vma->vm_mirror); -+ - /* - * If anonymous vma has not yet been faulted, update new pgoff - * to match new location, to increase its chance of merging. -@@ -2965,6 +3484,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, - return NULL; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *prev_m; -+ struct rb_node **rb_link_m, *rb_parent_m; -+ struct mempolicy *pol_m; -+ -+ BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)); -+ BUG_ON(vma->vm_mirror || vma_m->vm_mirror); -+ BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m))); -+ *vma_m = *vma; -+ INIT_LIST_HEAD(&vma_m->anon_vma_chain); -+ if (anon_vma_clone(vma_m, vma)) -+ return -ENOMEM; -+ pol_m = vma_policy(vma_m); -+ mpol_get(pol_m); -+ set_vma_policy(vma_m, pol_m); -+ vma_m->vm_start += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_end += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED); -+ vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags); -+ if (vma_m->vm_file) -+ get_file(vma_m->vm_file); -+ if (vma_m->vm_ops && vma_m->vm_ops->open) -+ vma_m->vm_ops->open(vma_m); -+ BUG_ON(find_vma_links(vma->vm_mm, vma_m->vm_start, vma_m->vm_end, &prev_m, &rb_link_m, &rb_parent_m)); -+ vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m); -+ vma_m->vm_mirror = vma; -+ vma->vm_mirror = vma_m; -+ return 0; -+} -+#endif -+ - /* - * Return true if the calling process may expand its vm space by the passed - * number of pages -@@ -2976,6 +3528,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages) - - lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT; - -+ gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1); - if (cur + npages > lim) - return 0; - return 1; -@@ -3058,6 +3611,22 @@ static struct vm_area_struct *__install_special_mapping( - vma->vm_start = addr; - vma->vm_end = addr + len; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) -+ return ERR_PTR(-EPERM); -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ - vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY; - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - -diff --git a/mm/mprotect.c b/mm/mprotect.c -index 8858483..72f2464 100644 ---- a/mm/mprotect.c -+++ b/mm/mprotect.c -@@ -24,10 +24,18 @@ - #include <linux/migrate.h> - #include <linux/perf_event.h> - #include <linux/ksm.h> -+#include <linux/sched/sysctl.h> -+ -+#ifdef CONFIG_PAX_MPROTECT -+#include <linux/elf.h> -+#include <linux/binfmts.h> -+#endif -+ - #include <asm/uaccess.h> - #include <asm/pgtable.h> - #include <asm/cacheflush.h> - #include <asm/tlbflush.h> -+#include <asm/mmu_context.h> - - /* - * For a prot_numa update we only hold mmap_sem for read so there is a -@@ -252,6 +260,48 @@ unsigned long change_protection(struct vm_area_struct *vma, unsigned long start, - return pages; - } - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+/* called while holding the mmap semaphor for writing except stack expansion */ -+void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) -+{ -+ unsigned long oldlimit, newlimit = 0UL; -+ -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX)) -+ return; -+ -+ spin_lock(&mm->page_table_lock); -+ oldlimit = mm->context.user_cs_limit; -+ if ((prot & VM_EXEC) && oldlimit < end) -+ /* USER_CS limit moved up */ -+ newlimit = end; -+ else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end) -+ /* USER_CS limit moved down */ -+ newlimit = start; -+ -+ if (newlimit) { -+ mm->context.user_cs_limit = newlimit; -+ -+#ifdef CONFIG_SMP -+ wmb(); -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+ cpumask_set_cpu(smp_processor_id(), &mm->context.cpu_user_cs_mask); -+#endif -+ -+ set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id()); -+ } -+ spin_unlock(&mm->page_table_lock); -+ if (newlimit == end) { -+ struct vm_area_struct *vma = find_vma(mm, oldlimit); -+ -+ for (; vma && vma->vm_start < end; vma = vma->vm_next) -+ if (is_vm_hugetlb_page(vma)) -+ hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot); -+ else -+ change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma), 0); -+ } -+} -+#endif -+ - int - mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - unsigned long start, unsigned long end, unsigned long newflags) -@@ -264,11 +314,29 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - int error; - int dirty_accountable = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+ unsigned long start_m, end_m; -+ -+ start_m = start + SEGMEXEC_TASK_SIZE; -+ end_m = end + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (newflags == oldflags) { - *pprev = vma; - return 0; - } - -+ if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) { -+ struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next; -+ -+ if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end) -+ return -ENOMEM; -+ -+ if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end) -+ return -ENOMEM; -+ } -+ - /* - * If we make a private mapping writable we increase our commit; - * but (without finer accounting) cannot reduce our commit if we -@@ -285,6 +353,42 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) { -+ if (start != vma->vm_start) { -+ error = split_vma(mm, vma, start, 1); -+ if (error) -+ goto fail; -+ BUG_ON(!*pprev || (*pprev)->vm_next == vma); -+ *pprev = (*pprev)->vm_next; -+ } -+ -+ if (end != vma->vm_end) { -+ error = split_vma(mm, vma, end, 0); -+ if (error) -+ goto fail; -+ } -+ -+ if (pax_find_mirror_vma(vma)) { -+ error = __do_munmap(mm, start_m, end_m - start_m); -+ if (error) -+ goto fail; -+ } else { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto fail; -+ } -+ vma->vm_flags = newflags; -+ error = pax_mirror_vma(vma_m, vma); -+ if (error) { -+ vma->vm_flags = oldflags; -+ goto fail; -+ } -+ } -+ } -+#endif -+ - /* - * First try to merge with previous and/or next vma. - */ -@@ -315,7 +419,19 @@ success: - * vm_flags and vm_page_prot are protected by the mmap_sem - * held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ)) -+ pax_find_mirror_vma(vma)->vm_flags ^= VM_READ; -+#endif -+ - vma->vm_flags = newflags; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->binfmt && mm->binfmt->handle_mprotect) -+ mm->binfmt->handle_mprotect(vma, newflags); -+#endif -+ - dirty_accountable = vma_wants_writenotify(vma); - vma_set_page_prot(vma); - -@@ -351,6 +467,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - end = start + len; - if (end <= start) - return -ENOMEM; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (!arch_validate_prot(prot)) - return -EINVAL; - -@@ -358,7 +485,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - /* - * Does the application expect PROT_READ to imply PROT_EXEC: - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - prot |= PROT_EXEC; - - vm_flags = calc_vm_prot_bits(prot); -@@ -390,6 +517,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - if (start > vma->vm_start) - prev = vma; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->binfmt && current->mm->binfmt->handle_mprotect) -+ current->mm->binfmt->handle_mprotect(vma, vm_flags); -+#endif -+ - for (nstart = start ; ; ) { - unsigned long newflags; - -@@ -400,6 +532,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - - /* newflags >> 4 shift VM_MAY% in place of VM_% */ - if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) { -+ if (prot & (PROT_WRITE | PROT_EXEC)) -+ gr_log_rwxmprotect(vma); -+ -+ error = -EACCES; -+ goto out; -+ } -+ -+ if (!gr_acl_handle_mprotect(vma->vm_file, prot)) { - error = -EACCES; - goto out; - } -@@ -414,6 +554,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - error = mprotect_fixup(vma, &prev, nstart, tmp, newflags); - if (error) - goto out; -+ -+ track_exec_limit(current->mm, nstart, tmp, vm_flags); -+ - nstart = tmp; - - if (nstart < prev->vm_end) -diff --git a/mm/mremap.c b/mm/mremap.c -index 034e2d3..81deca5 100644 ---- a/mm/mremap.c -+++ b/mm/mremap.c -@@ -142,6 +142,12 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, - continue; - pte = ptep_get_and_clear(mm, old_addr, old_pte); - pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr); -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if (!(__supported_pte_mask & _PAGE_NX) && pte_present(pte) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC) -+ pte = pte_exprotect(pte); -+#endif -+ - pte = move_soft_dirty_pte(pte); - set_pte_at(mm, new_addr, new_pte, pte); - } -@@ -350,6 +356,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr, - if (is_vm_hugetlb_page(vma)) - return ERR_PTR(-EINVAL); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ return ERR_PTR(-EINVAL); -+#endif -+ - /* We can't remap across vm area boundaries */ - if (old_len > vma->vm_end - addr) - return ERR_PTR(-EFAULT); -@@ -396,20 +407,25 @@ static unsigned long mremap_to(unsigned long addr, unsigned long old_len, - unsigned long ret = -EINVAL; - unsigned long charged = 0; - unsigned long map_flags; -+ unsigned long pax_task_size = TASK_SIZE; - - if (new_addr & ~PAGE_MASK) - goto out; - -- if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len) -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len) - goto out; - - /* Check if the location we're moving into overlaps the - * old location at all, and fail if it does. - */ -- if ((new_addr <= addr) && (new_addr+new_len) > addr) -- goto out; -- -- if ((addr <= new_addr) && (addr+old_len) > new_addr) -+ if (addr + old_len > new_addr && new_addr + new_len > addr) - goto out; - - ret = do_munmap(mm, new_addr, new_len); -@@ -478,6 +494,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - unsigned long ret = -EINVAL; - unsigned long charged = 0; - bool locked = false; -+ unsigned long pax_task_size = TASK_SIZE; - - if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE)) - return ret; -@@ -499,6 +516,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - if (!new_len) - return ret; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > pax_task_size || addr > pax_task_size-new_len || -+ old_len > pax_task_size || addr > pax_task_size-old_len) -+ return ret; -+ - down_write(&current->mm->mmap_sem); - - if (flags & MREMAP_FIXED) { -@@ -549,6 +577,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - new_addr = addr; - } - ret = addr; -+ track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags); - goto out; - } - } -@@ -572,7 +601,12 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - goto out; - } - -+ map_flags = vma->vm_flags; - ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked); -+ if (!(ret & ~PAGE_MASK)) { -+ track_exec_limit(current->mm, addr, addr + old_len, 0UL); -+ track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags); -+ } - } - out: - if (ret & ~PAGE_MASK) -diff --git a/mm/nommu.c b/mm/nommu.c -index e544508..b56ce7a 100644 ---- a/mm/nommu.c -+++ b/mm/nommu.c -@@ -72,7 +72,6 @@ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT; - int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS; - unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */ - unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */ --int heap_stack_gap = 0; - - atomic_long_t mmap_pages_allocated; - -@@ -892,15 +891,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) - EXPORT_SYMBOL(find_vma); - - /* -- * find a VMA -- * - we don't extend stack VMAs under NOMMU conditions -- */ --struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) --{ -- return find_vma(mm, addr); --} -- --/* - * expand a stack to a given address - * - not supported under NOMMU conditions - */ -@@ -1585,6 +1575,7 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - - /* most fields are the same, copy all, and then fixup */ - *new = *vma; -+ INIT_LIST_HEAD(&new->anon_vma_chain); - *region = *vma->vm_region; - new->vm_region = region; - -@@ -2007,8 +1998,8 @@ void filemap_map_pages(struct vm_area_struct *vma, struct vm_fault *vmf) - } - EXPORT_SYMBOL(filemap_map_pages); - --static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -- unsigned long addr, void *buf, int len, int write) -+static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -+ unsigned long addr, void *buf, size_t len, int write) - { - struct vm_area_struct *vma; - -@@ -2049,8 +2040,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - * - * The caller must hold a reference on @mm. - */ --int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write) - { - return __access_remote_vm(NULL, mm, addr, buf, len, write); - } -@@ -2059,7 +2050,7 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr, - * Access another process' address space. - * - source/target buffer must be kernel space - */ --int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write) -+ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write) - { - struct mm_struct *mm; - -diff --git a/mm/page-writeback.c b/mm/page-writeback.c -index eb59f7e..b23a2a8 100644 ---- a/mm/page-writeback.c -+++ b/mm/page-writeback.c -@@ -664,7 +664,7 @@ static long long pos_ratio_polynom(unsigned long setpoint, - * card's bdi_dirty may rush to many times higher than bdi_setpoint. - * - the bdi dirty thresh drops quickly due to change of JBOD workload - */ --static unsigned long bdi_position_ratio(struct backing_dev_info *bdi, -+static unsigned long __intentional_overflow(-1) bdi_position_ratio(struct backing_dev_info *bdi, - unsigned long thresh, - unsigned long bg_thresh, - unsigned long dirty, -diff --git a/mm/page_alloc.c b/mm/page_alloc.c -index ebffa0e..a5ae7f7 100644 ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -61,6 +61,7 @@ - #include <linux/hugetlb.h> - #include <linux/sched/rt.h> - #include <linux/page_owner.h> -+#include <linux/random.h> - - #include <asm/sections.h> - #include <asm/tlbflush.h> -@@ -357,7 +358,7 @@ out: - * This usage means that zero-order pages may not be compound. - */ - --static void free_compound_page(struct page *page) -+void free_compound_page(struct page *page) - { - __free_pages_ok(page, compound_order(page)); - } -@@ -480,7 +481,7 @@ static inline void clear_page_guard(struct zone *zone, struct page *page, - __mod_zone_freepage_state(zone, (1 << order), migratetype); - } - #else --struct page_ext_operations debug_guardpage_ops = { NULL, }; -+struct page_ext_operations debug_guardpage_ops = { .need = NULL, .init = NULL }; - static inline void set_page_guard(struct zone *zone, struct page *page, - unsigned int order, int migratetype) {} - static inline void clear_page_guard(struct zone *zone, struct page *page, -@@ -783,6 +784,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order) - bool compound = PageCompound(page); - int i, bad = 0; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ unsigned long index = 1UL << order; -+#endif -+ - VM_BUG_ON_PAGE(PageTail(page), page); - VM_BUG_ON_PAGE(compound && compound_order(page) != order, page); - -@@ -809,6 +814,12 @@ static bool free_pages_prepare(struct page *page, unsigned int order) - debug_check_no_obj_freed(page_address(page), - PAGE_SIZE << order); - } -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ for (; index; --index) -+ sanitize_highpage(page + index - 1); -+#endif -+ - arch_free_page(page, order); - kernel_map_pages(page, 1 << order, 0); - -@@ -832,6 +843,20 @@ static void __free_pages_ok(struct page *page, unsigned int order) - local_irq_restore(flags); - } - -+#ifdef CONFIG_PAX_LATENT_ENTROPY -+bool __meminitdata extra_latent_entropy; -+ -+static int __init setup_pax_extra_latent_entropy(char *str) -+{ -+ extra_latent_entropy = true; -+ return 0; -+} -+early_param("pax_extra_latent_entropy", setup_pax_extra_latent_entropy); -+ -+volatile u64 latent_entropy __latent_entropy; -+EXPORT_SYMBOL(latent_entropy); -+#endif -+ - void __init __free_pages_bootmem(struct page *page, unsigned int order) - { - unsigned int nr_pages = 1 << order; -@@ -847,6 +872,19 @@ void __init __free_pages_bootmem(struct page *page, unsigned int order) - __ClearPageReserved(p); - set_page_count(p, 0); - -+#ifdef CONFIG_PAX_LATENT_ENTROPY -+ if (extra_latent_entropy && !PageHighMem(page) && page_to_pfn(page) < 0x100000) { -+ u64 hash = 0; -+ size_t index, end = PAGE_SIZE * nr_pages / sizeof hash; -+ const u64 *data = lowmem_page_address(page); -+ -+ for (index = 0; index < end; index++) -+ hash ^= hash + data[index]; -+ latent_entropy ^= hash; -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+ } -+#endif -+ - page_zone(page)->managed_pages += nr_pages; - set_page_refcounted(page); - __free_pages(page, order); -@@ -974,8 +1012,10 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, - kernel_map_pages(page, 1 << order, 1); - kasan_alloc_pages(page, order); - -+#ifndef CONFIG_PAX_MEMORY_SANITIZE - if (gfp_flags & __GFP_ZERO) - prep_zero_page(page, order, gfp_flags); -+#endif - - if (order && (gfp_flags & __GFP_COMP)) - prep_compound_page(page, order); -@@ -983,12 +1023,15 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, - set_page_owner(page, order, gfp_flags); - - /* -- * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was necessary to -+ * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to - * allocate the page. The expectation is that the caller is taking - * steps that will free more memory. The caller should avoid the page - * being used for !PFMEMALLOC purposes. - */ -- page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS); -+ if (alloc_flags & ALLOC_NO_WATERMARKS) -+ set_page_pfmemalloc(page); -+ else -+ clear_page_pfmemalloc(page); - - return 0; - } -@@ -1649,6 +1692,8 @@ int __isolate_free_page(struct page *page, unsigned int order) - zone->free_area[order].nr_free--; - rmv_page_order(page); - -+ set_page_owner(page, order, 0); -+ - /* Set the pageblock if the isolated page is at least a pageblock */ - if (order >= pageblock_order - 1) { - struct page *endpage = page + (1 << order) - 1; -@@ -1660,7 +1705,7 @@ int __isolate_free_page(struct page *page, unsigned int order) - } - } - -- set_page_owner(page, order, 0); -+ - return 1UL << order; - } - -@@ -1749,7 +1794,7 @@ struct page *buffered_rmqueue(struct zone *preferred_zone, - } - - __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); -- if (atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 && -+ if (atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 && - !test_bit(ZONE_FAIR_DEPLETED, &zone->flags)) - set_bit(ZONE_FAIR_DEPLETED, &zone->flags); - -@@ -2068,7 +2113,7 @@ static void reset_alloc_batches(struct zone *preferred_zone) - do { - mod_zone_page_state(zone, NR_ALLOC_BATCH, - high_wmark_pages(zone) - low_wmark_pages(zone) - -- atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); -+ atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH])); - clear_bit(ZONE_FAIR_DEPLETED, &zone->flags); - } while (zone++ != preferred_zone); - } -@@ -5781,7 +5826,7 @@ static void __setup_per_zone_wmarks(void) - - __mod_zone_page_state(zone, NR_ALLOC_BATCH, - high_wmark_pages(zone) - low_wmark_pages(zone) - -- atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); -+ atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH])); - - setup_zone_migrate_reserve(zone); - spin_unlock_irqrestore(&zone->lock, flags); -diff --git a/mm/percpu.c b/mm/percpu.c -index 2dd7448..9bb6305 100644 ---- a/mm/percpu.c -+++ b/mm/percpu.c -@@ -131,7 +131,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly; - static unsigned int pcpu_high_unit_cpu __read_mostly; - - /* the address of the first chunk which starts with the kernel static area */ --void *pcpu_base_addr __read_mostly; -+void *pcpu_base_addr __read_only; - EXPORT_SYMBOL_GPL(pcpu_base_addr); - - static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */ -diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c -index e88d071..d80e01a 100644 ---- a/mm/process_vm_access.c -+++ b/mm/process_vm_access.c -@@ -13,6 +13,7 @@ - #include <linux/uio.h> - #include <linux/sched.h> - #include <linux/highmem.h> -+#include <linux/security.h> - #include <linux/ptrace.h> - #include <linux/slab.h> - #include <linux/syscalls.h> -@@ -154,19 +155,19 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter, - ssize_t iov_len; - size_t total_len = iov_iter_count(iter); - -+ return -ENOSYS; // PaX: until properly audited -+ - /* - * Work out how many pages of struct pages we're going to need - * when eventually calling get_user_pages - */ - for (i = 0; i < riovcnt; i++) { - iov_len = rvec[i].iov_len; -- if (iov_len > 0) { -- nr_pages_iov = ((unsigned long)rvec[i].iov_base -- + iov_len) -- / PAGE_SIZE - (unsigned long)rvec[i].iov_base -- / PAGE_SIZE + 1; -- nr_pages = max(nr_pages, nr_pages_iov); -- } -+ if (iov_len <= 0) -+ continue; -+ nr_pages_iov = ((unsigned long)rvec[i].iov_base + iov_len) / PAGE_SIZE - -+ (unsigned long)rvec[i].iov_base / PAGE_SIZE + 1; -+ nr_pages = max(nr_pages, nr_pages_iov); - } - - if (nr_pages == 0) -@@ -194,6 +195,11 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter, - goto free_proc_pages; - } - -+ if (gr_handle_ptrace(task, vm_write ? PTRACE_POKETEXT : PTRACE_ATTACH)) { -+ rc = -EPERM; -+ goto put_task_struct; -+ } -+ - mm = mm_access(task, PTRACE_MODE_ATTACH); - if (!mm || IS_ERR(mm)) { - rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH; -diff --git a/mm/rmap.c b/mm/rmap.c -index 24dd3f9..4eb43f4 100644 ---- a/mm/rmap.c -+++ b/mm/rmap.c -@@ -166,6 +166,10 @@ int anon_vma_prepare(struct vm_area_struct *vma) - struct anon_vma *anon_vma = vma->anon_vma; - struct anon_vma_chain *avc; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct anon_vma_chain *avc_m = NULL; -+#endif -+ - might_sleep(); - if (unlikely(!anon_vma)) { - struct mm_struct *mm = vma->vm_mm; -@@ -175,6 +179,12 @@ int anon_vma_prepare(struct vm_area_struct *vma) - if (!avc) - goto out_enomem; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ avc_m = anon_vma_chain_alloc(GFP_KERNEL); -+ if (!avc_m) -+ goto out_enomem_free_avc; -+#endif -+ - anon_vma = find_mergeable_anon_vma(vma); - allocated = NULL; - if (!anon_vma) { -@@ -188,6 +198,19 @@ int anon_vma_prepare(struct vm_area_struct *vma) - /* page_table_lock to protect against threads */ - spin_lock(&mm->page_table_lock); - if (likely(!vma->anon_vma)) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = pax_find_mirror_vma(vma); -+ -+ if (vma_m) { -+ BUG_ON(vma_m->anon_vma); -+ vma_m->anon_vma = anon_vma; -+ anon_vma_chain_link(vma_m, avc_m, anon_vma); -+ anon_vma->degree++; -+ avc_m = NULL; -+ } -+#endif -+ - vma->anon_vma = anon_vma; - anon_vma_chain_link(vma, avc, anon_vma); - /* vma reference or self-parent link for new root */ -@@ -200,12 +223,24 @@ int anon_vma_prepare(struct vm_area_struct *vma) - - if (unlikely(allocated)) - put_anon_vma(allocated); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely(avc_m)) -+ anon_vma_chain_free(avc_m); -+#endif -+ - if (unlikely(avc)) - anon_vma_chain_free(avc); - } - return 0; - - out_enomem_free_avc: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (avc_m) -+ anon_vma_chain_free(avc_m); -+#endif -+ - anon_vma_chain_free(avc); - out_enomem: - return -ENOMEM; -@@ -249,7 +284,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root) - * good chance of avoiding scanning the whole hierarchy when it searches where - * page is mapped. - */ --int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) -+int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src) - { - struct anon_vma_chain *avc, *pavc; - struct anon_vma *root = NULL; -@@ -303,7 +338,7 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) - * the corresponding VMA in the parent process is attached to. - * Returns 0 on success, non-zero on failure. - */ --int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma) -+int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma) - { - struct anon_vma_chain *avc; - struct anon_vma *anon_vma; -@@ -423,8 +458,10 @@ static void anon_vma_ctor(void *data) - void __init anon_vma_init(void) - { - anon_vma_cachep = kmem_cache_create("anon_vma", sizeof(struct anon_vma), -- 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC, anon_vma_ctor); -- anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, SLAB_PANIC); -+ 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC|SLAB_NO_SANITIZE, -+ anon_vma_ctor); -+ anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, -+ SLAB_PANIC|SLAB_NO_SANITIZE); - } - - /* -diff --git a/mm/shmem.c b/mm/shmem.c -index 47d536e..8321b4e 100644 ---- a/mm/shmem.c -+++ b/mm/shmem.c -@@ -33,7 +33,7 @@ - #include <linux/swap.h> - #include <linux/uio.h> - --static struct vfsmount *shm_mnt; -+struct vfsmount *shm_mnt; - - #ifdef CONFIG_SHMEM - /* -@@ -80,7 +80,7 @@ static struct vfsmount *shm_mnt; - #define BOGO_DIRENT_SIZE 20 - - /* Symlink up to this size is kmalloc'ed instead of using a swappable page */ --#define SHORT_SYMLINK_LEN 128 -+#define SHORT_SYMLINK_LEN 64 - - /* - * shmem_fallocate communicates with shmem_fault or shmem_writepage via -@@ -2555,6 +2555,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = { - static int shmem_xattr_validate(const char *name) - { - struct { const char *prefix; size_t len; } arr[] = { -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ { XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN}, -+#endif -+ - { XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN }, - { XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN } - }; -@@ -2610,6 +2615,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name, - if (err) - return err; - -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN)) { -+ if (strcmp(name, XATTR_NAME_PAX_FLAGS)) -+ return -EOPNOTSUPP; -+ if (size > 8) -+ return -EINVAL; -+ } -+#endif -+ - return simple_xattr_set(&info->xattrs, name, value, size, flags); - } - -@@ -2993,8 +3007,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) - int err = -ENOMEM; - - /* Round up to L1_CACHE_BYTES to resist false sharing */ -- sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info), -- L1_CACHE_BYTES), GFP_KERNEL); -+ sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL); - if (!sbinfo) - return -ENOMEM; - -diff --git a/mm/slab.c b/mm/slab.c -index 7eb38dd..0451459 100644 ---- a/mm/slab.c -+++ b/mm/slab.c -@@ -314,10 +314,12 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) - if ((x)->max_freeable < i) \ - (x)->max_freeable = i; \ - } while (0) --#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit) --#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss) --#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit) --#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss) -+#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit) -+#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss) -+#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit) -+#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss) -+#define STATS_INC_SANITIZED(x) atomic_inc_unchecked(&(x)->sanitized) -+#define STATS_INC_NOT_SANITIZED(x) atomic_inc_unchecked(&(x)->not_sanitized) - #else - #define STATS_INC_ACTIVE(x) do { } while (0) - #define STATS_DEC_ACTIVE(x) do { } while (0) -@@ -334,6 +336,8 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) - #define STATS_INC_ALLOCMISS(x) do { } while (0) - #define STATS_INC_FREEHIT(x) do { } while (0) - #define STATS_INC_FREEMISS(x) do { } while (0) -+#define STATS_INC_SANITIZED(x) do { } while (0) -+#define STATS_INC_NOT_SANITIZED(x) do { } while (0) - #endif - - #if DEBUG -@@ -450,7 +454,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct page *page, - * reciprocal_divide(offset, cache->reciprocal_buffer_size) - */ - static inline unsigned int obj_to_index(const struct kmem_cache *cache, -- const struct page *page, void *obj) -+ const struct page *page, const void *obj) - { - u32 offset = (obj - page->s_mem); - return reciprocal_divide(offset, cache->reciprocal_buffer_size); -@@ -1452,7 +1456,7 @@ void __init kmem_cache_init(void) - * structures first. Without this, further allocations will bug. - */ - kmalloc_caches[INDEX_NODE] = create_kmalloc_cache("kmalloc-node", -- kmalloc_size(INDEX_NODE), ARCH_KMALLOC_FLAGS); -+ kmalloc_size(INDEX_NODE), SLAB_USERCOPY | ARCH_KMALLOC_FLAGS); - slab_state = PARTIAL_NODE; - - slab_early_init = 0; -@@ -1602,7 +1606,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, - } - - /* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */ -- if (unlikely(page->pfmemalloc)) -+ if (page_is_pfmemalloc(page)) - pfmemalloc_active = true; - - nr_pages = (1 << cachep->gfporder); -@@ -1613,7 +1617,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, - add_zone_page_state(page_zone(page), - NR_SLAB_UNRECLAIMABLE, nr_pages); - __SetPageSlab(page); -- if (page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - SetPageSlabPfmemalloc(page); - - if (kmemcheck_enabled && !(cachep->flags & SLAB_NOTRACK)) { -@@ -2073,7 +2077,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - - cachep = find_mergeable(size, align, flags, name, ctor); - if (cachep) { -- cachep->refcount++; -+ atomic_inc(&cachep->refcount); - - /* - * Adjust the object sizes so that we clear -@@ -3371,6 +3375,20 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp, - struct array_cache *ac = cpu_cache_get(cachep); - - check_irq_off(); -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (cachep->flags & (SLAB_POISON | SLAB_NO_SANITIZE)) -+ STATS_INC_NOT_SANITIZED(cachep); -+ else { -+ memset(objp, PAX_MEMORY_SANITIZE_VALUE, cachep->object_size); -+ -+ if (cachep->ctor) -+ cachep->ctor(objp); -+ -+ STATS_INC_SANITIZED(cachep); -+ } -+#endif -+ - kmemleak_free_recursive(objp, cachep->flags); - objp = cache_free_debugcheck(cachep, objp, caller); - -@@ -3483,7 +3501,7 @@ __do_kmalloc_node(size_t size, gfp_t flags, int node, unsigned long caller) - return kmem_cache_alloc_node_trace(cachep, flags, node, size); - } - --void *__kmalloc_node(size_t size, gfp_t flags, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - return __do_kmalloc_node(size, flags, node, _RET_IP_); - } -@@ -3503,7 +3521,7 @@ EXPORT_SYMBOL(__kmalloc_node_track_caller); - * @flags: the type of memory to allocate (see kmalloc). - * @caller: function caller for debug tracking of the caller - */ --static __always_inline void *__do_kmalloc(size_t size, gfp_t flags, -+static __always_inline void * __size_overflow(1) __do_kmalloc(size_t size, gfp_t flags, - unsigned long caller) - { - struct kmem_cache *cachep; -@@ -3576,6 +3594,7 @@ void kfree(const void *objp) - - if (unlikely(ZERO_OR_NULL_PTR(objp))) - return; -+ VM_BUG_ON(!virt_addr_valid(objp)); - local_irq_save(flags); - kfree_debugcheck(objp); - c = virt_to_cache(objp); -@@ -3995,14 +4014,22 @@ void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep) - } - /* cpu stats */ - { -- unsigned long allochit = atomic_read(&cachep->allochit); -- unsigned long allocmiss = atomic_read(&cachep->allocmiss); -- unsigned long freehit = atomic_read(&cachep->freehit); -- unsigned long freemiss = atomic_read(&cachep->freemiss); -+ unsigned long allochit = atomic_read_unchecked(&cachep->allochit); -+ unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss); -+ unsigned long freehit = atomic_read_unchecked(&cachep->freehit); -+ unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss); - - seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu", - allochit, allocmiss, freehit, freemiss); - } -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ { -+ unsigned long sanitized = atomic_read_unchecked(&cachep->sanitized); -+ unsigned long not_sanitized = atomic_read_unchecked(&cachep->not_sanitized); -+ -+ seq_printf(m, " : pax %6lu %6lu", sanitized, not_sanitized); -+ } -+#endif - #endif - } - -@@ -4210,13 +4237,80 @@ static const struct file_operations proc_slabstats_operations = { - static int __init slab_proc_init(void) - { - #ifdef CONFIG_DEBUG_SLAB_LEAK -- proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); -+ proc_create("slab_allocators", S_IRUSR, NULL, &proc_slabstats_operations); - #endif - return 0; - } - module_init(slab_proc_init); - #endif - -+bool is_usercopy_object(const void *ptr) -+{ -+ struct page *page; -+ struct kmem_cache *cachep; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return false; -+ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ if (!virt_addr_valid(ptr)) -+ return false; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return false; -+ -+ cachep = page->slab_cache; -+ return cachep->flags & SLAB_USERCOPY; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ struct kmem_cache *cachep; -+ unsigned int objnr; -+ unsigned long offset; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return NULL; -+ -+ cachep = page->slab_cache; -+ if (!(cachep->flags & SLAB_USERCOPY)) -+ return cachep->name; -+ -+ objnr = obj_to_index(cachep, page, ptr); -+ BUG_ON(objnr >= cachep->num); -+ offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep); -+ if (offset <= cachep->object_size && n <= cachep->object_size - offset) -+ return NULL; -+ -+ return cachep->name; -+} -+#endif -+ - /** - * ksize - get the actual amount of memory allocated for a given object - * @objp: Pointer to the object -diff --git a/mm/slab.h b/mm/slab.h -index 4c3ac12..7b2e470 100644 ---- a/mm/slab.h -+++ b/mm/slab.h -@@ -22,7 +22,7 @@ struct kmem_cache { - unsigned int align; /* Alignment as calculated */ - unsigned long flags; /* Active flags on the slab */ - const char *name; /* Slab name for sysfs */ -- int refcount; /* Use counter */ -+ atomic_t refcount; /* Use counter */ - void (*ctor)(void *); /* Called on object slot creation */ - struct list_head list; /* List of all slab caches on the system */ - }; -@@ -66,6 +66,20 @@ extern struct list_head slab_caches; - /* The slab cache that manages slab cache information */ - extern struct kmem_cache *kmem_cache; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+#ifdef CONFIG_X86_64 -+#define PAX_MEMORY_SANITIZE_VALUE '\xfe' -+#else -+#define PAX_MEMORY_SANITIZE_VALUE '\xff' -+#endif -+enum pax_sanitize_mode { -+ PAX_SANITIZE_SLAB_OFF = 0, -+ PAX_SANITIZE_SLAB_FAST, -+ PAX_SANITIZE_SLAB_FULL, -+}; -+extern enum pax_sanitize_mode pax_sanitize_slab; -+#endif -+ - unsigned long calculate_alignment(unsigned long flags, - unsigned long align, unsigned long size); - -@@ -114,7 +128,8 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size, - - /* Legal flag mask for kmem_cache_create(), for various configurations */ - #define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \ -- SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS ) -+ SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS | \ -+ SLAB_USERCOPY | SLAB_NO_SANITIZE) - - #if defined(CONFIG_DEBUG_SLAB) - #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER) -@@ -315,6 +330,9 @@ static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x) - return s; - - page = virt_to_head_page(x); -+ -+ BUG_ON(!PageSlab(page)); -+ - cachep = page->slab_cache; - if (slab_equal_or_root(cachep, s)) - return cachep; -diff --git a/mm/slab_common.c b/mm/slab_common.c -index 999bb34..9843aea 100644 ---- a/mm/slab_common.c -+++ b/mm/slab_common.c -@@ -25,11 +25,35 @@ - - #include "slab.h" - --enum slab_state slab_state; -+enum slab_state slab_state __read_only; - LIST_HEAD(slab_caches); - DEFINE_MUTEX(slab_mutex); - struct kmem_cache *kmem_cache; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+enum pax_sanitize_mode pax_sanitize_slab __read_only = PAX_SANITIZE_SLAB_FAST; -+static int __init pax_sanitize_slab_setup(char *str) -+{ -+ if (!str) -+ return 0; -+ -+ if (!strcmp(str, "0") || !strcmp(str, "off")) { -+ pr_info("PaX slab sanitization: %s\n", "disabled"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_OFF; -+ } else if (!strcmp(str, "1") || !strcmp(str, "fast")) { -+ pr_info("PaX slab sanitization: %s\n", "fast"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_FAST; -+ } else if (!strcmp(str, "full")) { -+ pr_info("PaX slab sanitization: %s\n", "full"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_FULL; -+ } else -+ pr_err("PaX slab sanitization: unsupported option '%s'\n", str); -+ -+ return 0; -+} -+early_param("pax_sanitize_slab", pax_sanitize_slab_setup); -+#endif -+ - /* - * Set of flags that will prevent slab merging - */ -@@ -44,7 +68,7 @@ struct kmem_cache *kmem_cache; - * Merge control. If this is set then no merging of slab caches will occur. - * (Could be removed. This was introduced to pacify the merge skeptics.) - */ --static int slab_nomerge; -+static int slab_nomerge = 1; - - static int __init setup_slab_nomerge(char *str) - { -@@ -217,7 +241,7 @@ int slab_unmergeable(struct kmem_cache *s) - /* - * We may have set a slab to be unmergeable during bootstrap. - */ -- if (s->refcount < 0) -+ if (atomic_read(&s->refcount) < 0) - return 1; - - return 0; -@@ -321,7 +345,7 @@ do_kmem_cache_create(const char *name, size_t object_size, size_t size, - if (err) - goto out_free_cache; - -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - list_add(&s->list, &slab_caches); - out: - if (err) -@@ -386,6 +410,13 @@ kmem_cache_create(const char *name, size_t size, size_t align, - */ - flags &= CACHE_CREATE_MASK; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (pax_sanitize_slab == PAX_SANITIZE_SLAB_OFF || (flags & SLAB_DESTROY_BY_RCU)) -+ flags |= SLAB_NO_SANITIZE; -+ else if (pax_sanitize_slab == PAX_SANITIZE_SLAB_FULL) -+ flags &= ~SLAB_NO_SANITIZE; -+#endif -+ - s = __kmem_cache_alias(name, size, align, flags, ctor); - if (s) - goto out_unlock; -@@ -456,7 +487,7 @@ static void do_kmem_cache_release(struct list_head *release, - rcu_barrier(); - - list_for_each_entry_safe(s, s2, release, list) { --#ifdef SLAB_SUPPORTS_SYSFS -+#if defined(SLAB_SUPPORTS_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - sysfs_slab_remove(s); - #else - slab_kmem_cache_release(s); -@@ -625,8 +656,7 @@ void kmem_cache_destroy(struct kmem_cache *s) - - mutex_lock(&slab_mutex); - -- s->refcount--; -- if (s->refcount) -+ if (!atomic_dec_and_test(&s->refcount)) - goto out_unlock; - - for_each_memcg_cache_safe(c, c2, s) { -@@ -691,7 +721,7 @@ void __init create_boot_cache(struct kmem_cache *s, const char *name, size_t siz - panic("Creation of kmalloc slab %s size=%zu failed. Reason %d\n", - name, size, err); - -- s->refcount = -1; /* Exempt from merging for now */ -+ atomic_set(&s->refcount, -1); /* Exempt from merging for now */ - } - - struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size, -@@ -704,7 +734,7 @@ struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size, - - create_boot_cache(s, name, size, flags); - list_add(&s->list, &slab_caches); -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - return s; - } - -@@ -716,6 +746,11 @@ struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - EXPORT_SYMBOL(kmalloc_dma_caches); - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1]; -+EXPORT_SYMBOL(kmalloc_usercopy_caches); -+#endif -+ - /* - * Conversion table for small slabs sizes / 8 to the index in the - * kmalloc array. This is necessary for slabs < 192 since we have non power -@@ -780,6 +815,13 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags) - return kmalloc_dma_caches[index]; - - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (unlikely((flags & GFP_USERCOPY))) -+ return kmalloc_usercopy_caches[index]; -+ -+#endif -+ - return kmalloc_caches[index]; - } - -@@ -836,7 +878,7 @@ void __init create_kmalloc_caches(unsigned long flags) - for (i = KMALLOC_SHIFT_LOW; i <= KMALLOC_SHIFT_HIGH; i++) { - if (!kmalloc_caches[i]) { - kmalloc_caches[i] = create_kmalloc_cache(NULL, -- 1 << i, flags); -+ 1 << i, SLAB_USERCOPY | flags); - } - - /* -@@ -845,10 +887,10 @@ void __init create_kmalloc_caches(unsigned long flags) - * earlier power of two caches - */ - if (KMALLOC_MIN_SIZE <= 32 && !kmalloc_caches[1] && i == 6) -- kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, flags); -+ kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, SLAB_USERCOPY | flags); - - if (KMALLOC_MIN_SIZE <= 64 && !kmalloc_caches[2] && i == 7) -- kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, flags); -+ kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, SLAB_USERCOPY | flags); - } - - /* Kmalloc array is now usable */ -@@ -881,6 +923,23 @@ void __init create_kmalloc_caches(unsigned long flags) - } - } - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ for (i = 0; i <= KMALLOC_SHIFT_HIGH; i++) { -+ struct kmem_cache *s = kmalloc_caches[i]; -+ -+ if (s) { -+ int size = kmalloc_size(i); -+ char *n = kasprintf(GFP_NOWAIT, -+ "usercopy-kmalloc-%d", size); -+ -+ BUG_ON(!n); -+ kmalloc_usercopy_caches[i] = create_kmalloc_cache(n, -+ size, SLAB_USERCOPY | flags); -+ } -+ } -+#endif -+ - } - #endif /* !CONFIG_SLOB */ - -@@ -940,6 +999,9 @@ static void print_slabinfo_header(struct seq_file *m) - seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> " - "<error> <maxfreeable> <nodeallocs> <remotefrees> <alienoverflow>"); - seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>"); -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ seq_puts(m, " : pax <sanitized> <not_sanitized>"); -+#endif - #endif - seq_putc(m, '\n'); - } -@@ -1069,7 +1131,7 @@ static int __init slab_proc_init(void) - module_init(slab_proc_init); - #endif /* CONFIG_SLABINFO */ - --static __always_inline void *__do_krealloc(const void *p, size_t new_size, -+static __always_inline void * __size_overflow(2) __do_krealloc(const void *p, size_t new_size, - gfp_t flags) - { - void *ret; -diff --git a/mm/slob.c b/mm/slob.c -index 4765f65..f17284d 100644 ---- a/mm/slob.c -+++ b/mm/slob.c -@@ -157,7 +157,7 @@ static void set_slob(slob_t *s, slobidx_t size, slob_t *next) - /* - * Return the size of a slob block. - */ --static slobidx_t slob_units(slob_t *s) -+static slobidx_t slob_units(const slob_t *s) - { - if (s->units > 0) - return s->units; -@@ -167,7 +167,7 @@ static slobidx_t slob_units(slob_t *s) - /* - * Return the next free slob block pointer after this one. - */ --static slob_t *slob_next(slob_t *s) -+static slob_t *slob_next(const slob_t *s) - { - slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK); - slobidx_t next; -@@ -182,14 +182,14 @@ static slob_t *slob_next(slob_t *s) - /* - * Returns true if s is the last free block in its page. - */ --static int slob_last(slob_t *s) -+static int slob_last(const slob_t *s) - { - return !((unsigned long)slob_next(s) & ~PAGE_MASK); - } - --static void *slob_new_pages(gfp_t gfp, int order, int node) -+static struct page *slob_new_pages(gfp_t gfp, unsigned int order, int node) - { -- void *page; -+ struct page *page; - - #ifdef CONFIG_NUMA - if (node != NUMA_NO_NODE) -@@ -201,14 +201,18 @@ static void *slob_new_pages(gfp_t gfp, int order, int node) - if (!page) - return NULL; - -- return page_address(page); -+ __SetPageSlab(page); -+ return page; - } - --static void slob_free_pages(void *b, int order) -+static void slob_free_pages(struct page *sp, int order) - { - if (current->reclaim_state) - current->reclaim_state->reclaimed_slab += 1 << order; -- free_pages((unsigned long)b, order); -+ __ClearPageSlab(sp); -+ page_mapcount_reset(sp); -+ sp->private = 0; -+ __free_pages(sp, order); - } - - /* -@@ -313,15 +317,15 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) - - /* Not enough space: must allocate a new page */ - if (!b) { -- b = slob_new_pages(gfp & ~__GFP_ZERO, 0, node); -- if (!b) -+ sp = slob_new_pages(gfp & ~__GFP_ZERO, 0, node); -+ if (!sp) - return NULL; -- sp = virt_to_page(b); -- __SetPageSlab(sp); -+ b = page_address(sp); - - spin_lock_irqsave(&slob_lock, flags); - sp->units = SLOB_UNITS(PAGE_SIZE); - sp->freelist = b; -+ sp->private = 0; - INIT_LIST_HEAD(&sp->lru); - set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE)); - set_slob_page_free(sp, slob_list); -@@ -337,7 +341,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) - /* - * slob_free: entry point into the slob allocator. - */ --static void slob_free(void *block, int size) -+static void slob_free(struct kmem_cache *c, void *block, int size) - { - struct page *sp; - slob_t *prev, *next, *b = (slob_t *)block; -@@ -359,12 +363,15 @@ static void slob_free(void *block, int size) - if (slob_page_free(sp)) - clear_slob_page_free(sp); - spin_unlock_irqrestore(&slob_lock, flags); -- __ClearPageSlab(sp); -- page_mapcount_reset(sp); -- slob_free_pages(b, 0); -+ slob_free_pages(sp, 0); - return; - } - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (pax_sanitize_slab && !(c && (c->flags & SLAB_NO_SANITIZE))) -+ memset(block, PAX_MEMORY_SANITIZE_VALUE, size); -+#endif -+ - if (!slob_page_free(sp)) { - /* This slob page is about to become partially free. Easy! */ - sp->units = units; -@@ -424,11 +431,10 @@ out: - */ - - static __always_inline void * --__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) -+__do_kmalloc_node_align(size_t size, gfp_t gfp, int node, unsigned long caller, int align) - { -- unsigned int *m; -- int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- void *ret; -+ slob_t *m; -+ void *ret = NULL; - - gfp &= gfp_allowed_mask; - -@@ -442,27 +448,45 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) - - if (!m) - return NULL; -- *m = size; -+ BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT); -+ BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT); -+ m[0].units = size; -+ m[1].units = align; - ret = (void *)m + align; - - trace_kmalloc_node(caller, ret, - size, size + align, gfp, node); - } else { - unsigned int order = get_order(size); -+ struct page *page; - - if (likely(order)) - gfp |= __GFP_COMP; -- ret = slob_new_pages(gfp, order, node); -+ page = slob_new_pages(gfp, order, node); -+ if (page) { -+ ret = page_address(page); -+ page->private = size; -+ } - - trace_kmalloc_node(caller, ret, - size, PAGE_SIZE << order, gfp, node); - } - -- kmemleak_alloc(ret, size, 1, gfp); - return ret; - } - --void *__kmalloc(size_t size, gfp_t gfp) -+static __always_inline void * -+__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) -+{ -+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -+ void *ret = __do_kmalloc_node_align(size, gfp, node, caller, align); -+ -+ if (!ZERO_OR_NULL_PTR(ret)) -+ kmemleak_alloc(ret, size, 1, gfp); -+ return ret; -+} -+ -+void * __size_overflow(1) __kmalloc(size_t size, gfp_t gfp) - { - return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, _RET_IP_); - } -@@ -491,34 +515,123 @@ void kfree(const void *block) - return; - kmemleak_free(block); - -+ VM_BUG_ON(!virt_addr_valid(block)); - sp = virt_to_page(block); -- if (PageSlab(sp)) { -+ VM_BUG_ON(!PageSlab(sp)); -+ if (!sp->private) { - int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- unsigned int *m = (unsigned int *)(block - align); -- slob_free(m, *m + align); -- } else -+ slob_t *m = (slob_t *)(block - align); -+ slob_free(NULL, m, m[0].units + align); -+ } else { -+ __ClearPageSlab(sp); -+ page_mapcount_reset(sp); -+ sp->private = 0; - __free_pages(sp, compound_order(sp)); -+ } - } - EXPORT_SYMBOL(kfree); - -+bool is_usercopy_object(const void *ptr) -+{ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ // PAX: TODO -+ -+ return false; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ const slob_t *free; -+ const void *base; -+ unsigned long flags; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ if (!PageSlab(page)) -+ return NULL; -+ -+ if (page->private) { -+ base = page; -+ if (base <= ptr && n <= page->private - (ptr - base)) -+ return NULL; -+ return "<slob>"; -+ } -+ -+ /* some tricky double walking to find the chunk */ -+ spin_lock_irqsave(&slob_lock, flags); -+ base = (void *)((unsigned long)ptr & PAGE_MASK); -+ free = page->freelist; -+ -+ while (!slob_last(free) && (void *)free <= ptr) { -+ base = free + slob_units(free); -+ free = slob_next(free); -+ } -+ -+ while (base < (void *)free) { -+ slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units; -+ int size = SLOB_UNIT * SLOB_UNITS(m + align); -+ int offset; -+ -+ if (ptr < base + align) -+ break; -+ -+ offset = ptr - base - align; -+ if (offset >= m) { -+ base += size; -+ continue; -+ } -+ -+ if (n > m - offset) -+ break; -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+ return NULL; -+ } -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+ return "<slob>"; -+} -+#endif -+ - /* can't use ksize for kmem_cache_alloc memory, only kmalloc */ - size_t ksize(const void *block) - { - struct page *sp; - int align; -- unsigned int *m; -+ slob_t *m; - - BUG_ON(!block); - if (unlikely(block == ZERO_SIZE_PTR)) - return 0; - - sp = virt_to_page(block); -- if (unlikely(!PageSlab(sp))) -- return PAGE_SIZE << compound_order(sp); -+ VM_BUG_ON(!PageSlab(sp)); -+ if (sp->private) -+ return sp->private; - - align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- m = (unsigned int *)(block - align); -- return SLOB_UNITS(*m) * SLOB_UNIT; -+ m = (slob_t *)(block - align); -+ return SLOB_UNITS(m[0].units) * SLOB_UNIT; - } - EXPORT_SYMBOL(ksize); - -@@ -534,23 +647,33 @@ int __kmem_cache_create(struct kmem_cache *c, unsigned long flags) - - static void *slob_alloc_node(struct kmem_cache *c, gfp_t flags, int node) - { -- void *b; -+ void *b = NULL; - - flags &= gfp_allowed_mask; - - lockdep_trace_alloc(flags); - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ b = __do_kmalloc_node_align(c->size, flags, node, _RET_IP_, c->align); -+#else - if (c->size < PAGE_SIZE) { - b = slob_alloc(c->size, flags, c->align, node); - trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size, - SLOB_UNITS(c->size) * SLOB_UNIT, - flags, node); - } else { -- b = slob_new_pages(flags, get_order(c->size), node); -+ struct page *sp; -+ -+ sp = slob_new_pages(flags, get_order(c->size), node); -+ if (sp) { -+ b = page_address(sp); -+ sp->private = c->size; -+ } - trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size, - PAGE_SIZE << get_order(c->size), - flags, node); - } -+#endif - - if (b && c->ctor) - c->ctor(b); -@@ -566,7 +689,7 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags) - EXPORT_SYMBOL(kmem_cache_alloc); - - #ifdef CONFIG_NUMA --void *__kmalloc_node(size_t size, gfp_t gfp, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t gfp, int node) - { - return __do_kmalloc_node(size, gfp, node, _RET_IP_); - } -@@ -579,12 +702,16 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t gfp, int node) - EXPORT_SYMBOL(kmem_cache_alloc_node); - #endif - --static void __kmem_cache_free(void *b, int size) -+static void __kmem_cache_free(struct kmem_cache *c, void *b, int size) - { -- if (size < PAGE_SIZE) -- slob_free(b, size); -+ struct page *sp; -+ -+ sp = virt_to_page(b); -+ BUG_ON(!PageSlab(sp)); -+ if (!sp->private) -+ slob_free(c, b, size); - else -- slob_free_pages(b, get_order(size)); -+ slob_free_pages(sp, get_order(size)); - } - - static void kmem_rcu_free(struct rcu_head *head) -@@ -592,22 +719,36 @@ static void kmem_rcu_free(struct rcu_head *head) - struct slob_rcu *slob_rcu = (struct slob_rcu *)head; - void *b = (void *)slob_rcu - (slob_rcu->size - sizeof(struct slob_rcu)); - -- __kmem_cache_free(b, slob_rcu->size); -+ __kmem_cache_free(NULL, b, slob_rcu->size); - } - - void kmem_cache_free(struct kmem_cache *c, void *b) - { -+ int size = c->size; -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (size + c->align < PAGE_SIZE) { -+ size += c->align; -+ b -= c->align; -+ } -+#endif -+ - kmemleak_free_recursive(b, c->flags); - if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) { - struct slob_rcu *slob_rcu; -- slob_rcu = b + (c->size - sizeof(struct slob_rcu)); -- slob_rcu->size = c->size; -+ slob_rcu = b + (size - sizeof(struct slob_rcu)); -+ slob_rcu->size = size; - call_rcu(&slob_rcu->head, kmem_rcu_free); - } else { -- __kmem_cache_free(b, c->size); -+ __kmem_cache_free(c, b, size); - } - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ trace_kfree(_RET_IP_, b); -+#else - trace_kmem_cache_free(_RET_IP_, b); -+#endif -+ - } - EXPORT_SYMBOL(kmem_cache_free); - -diff --git a/mm/slub.c b/mm/slub.c -index 54c0876..61847f8 100644 ---- a/mm/slub.c -+++ b/mm/slub.c -@@ -198,7 +198,7 @@ struct track { - - enum track_item { TRACK_ALLOC, TRACK_FREE }; - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_add(struct kmem_cache *); - static int sysfs_slab_alias(struct kmem_cache *, const char *); - static void memcg_propagate_slab_attrs(struct kmem_cache *s); -@@ -556,7 +556,7 @@ static void print_track(const char *s, struct track *t) - if (!t->addr) - return; - -- pr_err("INFO: %s in %pS age=%lu cpu=%u pid=%d\n", -+ pr_err("INFO: %s in %pA age=%lu cpu=%u pid=%d\n", - s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid); - #ifdef CONFIG_STACKTRACE - { -@@ -1427,7 +1427,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) - inc_slabs_node(s, page_to_nid(page), page->objects); - page->slab_cache = s; - __SetPageSlab(page); -- if (page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - SetPageSlabPfmemalloc(page); - - start = page_address(page); -@@ -2707,6 +2707,14 @@ static __always_inline void slab_free(struct kmem_cache *s, - - slab_free_hook(s, x); - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (!(s->flags & SLAB_NO_SANITIZE)) { -+ memset(x, PAX_MEMORY_SANITIZE_VALUE, s->object_size); -+ if (s->ctor) -+ s->ctor(x); -+ } -+#endif -+ - redo: - /* - * Determine the currently cpus per cpu slab. -@@ -3048,6 +3056,9 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) - s->inuse = size; - - if (((flags & (SLAB_DESTROY_BY_RCU | SLAB_POISON)) || -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ (!(flags & SLAB_NO_SANITIZE)) || -+#endif - s->ctor)) { - /* - * Relocate free pointer after the object if it is not -@@ -3302,7 +3313,7 @@ static int __init setup_slub_min_objects(char *str) - - __setup("slub_min_objects=", setup_slub_min_objects); - --void *__kmalloc(size_t size, gfp_t flags) -+void * __size_overflow(1) __kmalloc(size_t size, gfp_t flags) - { - struct kmem_cache *s; - void *ret; -@@ -3340,7 +3351,7 @@ static void *kmalloc_large_node(size_t size, gfp_t flags, int node) - return ptr; - } - --void *__kmalloc_node(size_t size, gfp_t flags, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - struct kmem_cache *s; - void *ret; -@@ -3388,6 +3399,70 @@ static size_t __ksize(const void *object) - return slab_ksize(page->slab_cache); - } - -+bool is_usercopy_object(const void *ptr) -+{ -+ struct page *page; -+ struct kmem_cache *s; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return false; -+ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ if (!virt_addr_valid(ptr)) -+ return false; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return false; -+ -+ s = page->slab_cache; -+ return s->flags & SLAB_USERCOPY; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ struct kmem_cache *s; -+ unsigned long offset; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return NULL; -+ -+ s = page->slab_cache; -+ if (!(s->flags & SLAB_USERCOPY)) -+ return s->name; -+ -+ offset = (ptr - page_address(page)) % s->size; -+ if (offset <= s->object_size && n <= s->object_size - offset) -+ return NULL; -+ -+ return s->name; -+} -+#endif -+ - size_t ksize(const void *object) - { - size_t size = __ksize(object); -@@ -3408,6 +3483,7 @@ void kfree(const void *x) - if (unlikely(ZERO_OR_NULL_PTR(x))) - return; - -+ VM_BUG_ON(!virt_addr_valid(x)); - page = virt_to_head_page(x); - if (unlikely(!PageSlab(page))) { - BUG_ON(!PageCompound(page)); -@@ -3724,7 +3800,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - - s = find_mergeable(size, align, flags, name, ctor); - if (s) { -- s->refcount++; -+ atomic_inc(&s->refcount); - - /* - * Adjust the object sizes so that we clear -@@ -3740,7 +3816,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - } - - if (sysfs_slab_alias(s, name)) { -- s->refcount--; -+ atomic_dec(&s->refcount); - s = NULL; - } - } -@@ -3857,7 +3933,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, - } - #endif - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int count_inuse(struct page *page) - { - return page->inuse; -@@ -4138,7 +4214,11 @@ static int list_locations(struct kmem_cache *s, char *buf, - len += sprintf(buf + len, "%7ld ", l->count); - - if (l->addr) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ len += sprintf(buf + len, "%pS", NULL); -+#else - len += sprintf(buf + len, "%pS", (void *)l->addr); -+#endif - else - len += sprintf(buf + len, "<not-available>"); - -@@ -4236,12 +4316,12 @@ static void __init resiliency_test(void) - validate_slab_cache(kmalloc_caches[9]); - } - #else --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static void resiliency_test(void) {}; - #endif - #endif - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - enum slab_stat_type { - SL_ALL, /* All slabs */ - SL_PARTIAL, /* Only partially allocated slabs */ -@@ -4478,13 +4558,17 @@ static ssize_t ctor_show(struct kmem_cache *s, char *buf) - { - if (!s->ctor) - return 0; -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ return sprintf(buf, "%pS\n", NULL); -+#else - return sprintf(buf, "%pS\n", s->ctor); -+#endif - } - SLAB_ATTR_RO(ctor); - - static ssize_t aliases_show(struct kmem_cache *s, char *buf) - { -- return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1); -+ return sprintf(buf, "%d\n", atomic_read(&s->refcount) < 0 ? 0 : atomic_read(&s->refcount) - 1); - } - SLAB_ATTR_RO(aliases); - -@@ -4572,6 +4656,22 @@ static ssize_t cache_dma_show(struct kmem_cache *s, char *buf) - SLAB_ATTR_RO(cache_dma); - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+static ssize_t usercopy_show(struct kmem_cache *s, char *buf) -+{ -+ return sprintf(buf, "%d\n", !!(s->flags & SLAB_USERCOPY)); -+} -+SLAB_ATTR_RO(usercopy); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+static ssize_t sanitize_show(struct kmem_cache *s, char *buf) -+{ -+ return sprintf(buf, "%d\n", !(s->flags & SLAB_NO_SANITIZE)); -+} -+SLAB_ATTR_RO(sanitize); -+#endif -+ - static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf) - { - return sprintf(buf, "%d\n", !!(s->flags & SLAB_DESTROY_BY_RCU)); -@@ -4627,7 +4727,7 @@ static ssize_t trace_store(struct kmem_cache *s, const char *buf, - * as well as cause other issues like converting a mergeable - * cache into an umergeable one. - */ -- if (s->refcount > 1) -+ if (atomic_read(&s->refcount) > 1) - return -EINVAL; - - s->flags &= ~SLAB_TRACE; -@@ -4747,7 +4847,7 @@ static ssize_t failslab_show(struct kmem_cache *s, char *buf) - static ssize_t failslab_store(struct kmem_cache *s, const char *buf, - size_t length) - { -- if (s->refcount > 1) -+ if (atomic_read(&s->refcount) > 1) - return -EINVAL; - - s->flags &= ~SLAB_FAILSLAB; -@@ -4914,6 +5014,12 @@ static struct attribute *slab_attrs[] = { - #ifdef CONFIG_ZONE_DMA - &cache_dma_attr.attr, - #endif -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ &usercopy_attr.attr, -+#endif -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ &sanitize_attr.attr, -+#endif - #ifdef CONFIG_NUMA - &remote_node_defrag_ratio_attr.attr, - #endif -@@ -5155,6 +5261,7 @@ static char *create_unique_id(struct kmem_cache *s) - return name; - } - -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_add(struct kmem_cache *s) - { - int err; -@@ -5228,6 +5335,7 @@ void sysfs_slab_remove(struct kmem_cache *s) - kobject_del(&s->kobj); - kobject_put(&s->kobj); - } -+#endif - - /* - * Need to buffer aliases during bootup until sysfs becomes -@@ -5241,6 +5349,7 @@ struct saved_alias { - - static struct saved_alias *alias_list; - -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_alias(struct kmem_cache *s, const char *name) - { - struct saved_alias *al; -@@ -5263,6 +5372,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name) - alias_list = al; - return 0; - } -+#endif - - static int __init slab_sysfs_init(void) - { -diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c -index 4cba9c2..b4f9fcc 100644 ---- a/mm/sparse-vmemmap.c -+++ b/mm/sparse-vmemmap.c -@@ -131,7 +131,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node) - void *p = vmemmap_alloc_block(PAGE_SIZE, node); - if (!p) - return NULL; -- pud_populate(&init_mm, pud, p); -+ pud_populate_kernel(&init_mm, pud, p); - } - return pud; - } -@@ -143,7 +143,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node) - void *p = vmemmap_alloc_block(PAGE_SIZE, node); - if (!p) - return NULL; -- pgd_populate(&init_mm, pgd, p); -+ pgd_populate_kernel(&init_mm, pgd, p); - } - return pgd; - } -diff --git a/mm/sparse.c b/mm/sparse.c -index d1b48b6..6e8590e 100644 ---- a/mm/sparse.c -+++ b/mm/sparse.c -@@ -750,7 +750,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages) - - for (i = 0; i < PAGES_PER_SECTION; i++) { - if (PageHWPoison(&memmap[i])) { -- atomic_long_sub(1, &num_poisoned_pages); -+ atomic_long_sub_unchecked(1, &num_poisoned_pages); - ClearPageHWPoison(&memmap[i]); - } - } -diff --git a/mm/swap.c b/mm/swap.c -index a7251a8..ac754a9 100644 ---- a/mm/swap.c -+++ b/mm/swap.c -@@ -85,6 +85,8 @@ static void __put_compound_page(struct page *page) - if (!PageHuge(page)) - __page_cache_release(page); - dtor = get_compound_page_dtor(page); -+ if (!PageHuge(page)) -+ BUG_ON(dtor != free_compound_page); - (*dtor)(page); - } - -diff --git a/mm/swapfile.c b/mm/swapfile.c -index a7e7210..b286e7d 100644 ---- a/mm/swapfile.c -+++ b/mm/swapfile.c -@@ -84,7 +84,7 @@ static DEFINE_MUTEX(swapon_mutex); - - static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait); - /* Activity counter to indicate that a swapon or swapoff has occurred */ --static atomic_t proc_poll_event = ATOMIC_INIT(0); -+static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0); - - static inline unsigned char swap_count(unsigned char ent) - { -@@ -1944,7 +1944,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) - spin_unlock(&swap_lock); - - err = 0; -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - out_dput: -@@ -1961,8 +1961,8 @@ static unsigned swaps_poll(struct file *file, poll_table *wait) - - poll_wait(file, &proc_poll_wait, wait); - -- if (seq->poll_event != atomic_read(&proc_poll_event)) { -- seq->poll_event = atomic_read(&proc_poll_event); -+ if (seq->poll_event != atomic_read_unchecked(&proc_poll_event)) { -+ seq->poll_event = atomic_read_unchecked(&proc_poll_event); - return POLLIN | POLLRDNORM | POLLERR | POLLPRI; - } - -@@ -2060,7 +2060,7 @@ static int swaps_open(struct inode *inode, struct file *file) - return ret; - - seq = file->private_data; -- seq->poll_event = atomic_read(&proc_poll_event); -+ seq->poll_event = atomic_read_unchecked(&proc_poll_event); - return 0; - } - -@@ -2520,7 +2520,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) - (frontswap_map) ? "FS" : ""); - - mutex_unlock(&swapon_mutex); -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - if (S_ISREG(inode->i_mode)) -diff --git a/mm/util.c b/mm/util.c -index 68ff8a5..40c7a70 100644 ---- a/mm/util.c -+++ b/mm/util.c -@@ -233,6 +233,12 @@ struct task_struct *task_of_stack(struct task_struct *task, - void arch_pick_mmap_layout(struct mm_struct *mm) - { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } - #endif -@@ -434,6 +440,9 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen) - if (!mm->arg_end) - goto out_mm; /* Shh! No looking before we're done */ - -+ if (gr_acl_handle_procpidmem(task)) -+ goto out_mm; -+ - len = mm->arg_end - mm->arg_start; - - if (len > buflen) -diff --git a/mm/vmalloc.c b/mm/vmalloc.c -index 2faaa29..37314a8 100644 ---- a/mm/vmalloc.c -+++ b/mm/vmalloc.c -@@ -40,20 +40,65 @@ struct vfree_deferred { - struct work_struct wq; - }; - static DEFINE_PER_CPU(struct vfree_deferred, vfree_deferred); -+static DEFINE_PER_CPU(struct vfree_deferred, vunmap_deferred); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+struct stack_deferred_llist { -+ struct llist_head list; -+ void *stack; -+ void *lowmem_stack; -+}; -+ -+struct stack_deferred { -+ struct stack_deferred_llist list; -+ struct work_struct wq; -+}; -+ -+static DEFINE_PER_CPU(struct stack_deferred, stack_deferred); -+#endif - - static void __vunmap(const void *, int); - --static void free_work(struct work_struct *w) -+static void vfree_work(struct work_struct *w) - { - struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq); - struct llist_node *llnode = llist_del_all(&p->list); - while (llnode) { -- void *p = llnode; -+ void *x = llnode; - llnode = llist_next(llnode); -- __vunmap(p, 1); -+ __vunmap(x, 1); - } - } - -+static void vunmap_work(struct work_struct *w) -+{ -+ struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq); -+ struct llist_node *llnode = llist_del_all(&p->list); -+ while (llnode) { -+ void *x = llnode; -+ llnode = llist_next(llnode); -+ __vunmap(x, 0); -+ } -+} -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static void unmap_work(struct work_struct *w) -+{ -+ struct stack_deferred *p = container_of(w, struct stack_deferred, wq); -+ struct llist_node *llnode = llist_del_all(&p->list.list); -+ while (llnode) { -+ struct stack_deferred_llist *x = -+ llist_entry((struct llist_head *)llnode, -+ struct stack_deferred_llist, list); -+ void *stack = ACCESS_ONCE(x->stack); -+ void *lowmem_stack = ACCESS_ONCE(x->lowmem_stack); -+ llnode = llist_next(llnode); -+ __vunmap(stack, 0); -+ free_kmem_pages((unsigned long)lowmem_stack, THREAD_SIZE_ORDER); -+ } -+} -+#endif -+ - /*** Page table manipulation functions ***/ - - static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end) -@@ -62,8 +107,19 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end) - - pte = pte_offset_kernel(pmd, addr); - do { -- pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -- WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) { -+ BUG_ON(!pte_exec(*pte)); -+ set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC)); -+ continue; -+ } -+#endif -+ -+ { -+ pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -+ WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ } - } while (pte++, addr += PAGE_SIZE, addr != end); - } - -@@ -127,16 +183,29 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr, - pte = pte_alloc_kernel(pmd, addr); - if (!pte) - return -ENOMEM; -+ -+ pax_open_kernel(); - do { - struct page *page = pages[*nr]; - -- if (WARN_ON(!pte_none(*pte))) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (pgprot_val(prot) & _PAGE_NX) -+#endif -+ -+ if (!pte_none(*pte)) { -+ pax_close_kernel(); -+ WARN_ON(1); - return -EBUSY; -- if (WARN_ON(!page)) -+ } -+ if (!page) { -+ pax_close_kernel(); -+ WARN_ON(1); - return -ENOMEM; -+ } - set_pte_at(&init_mm, addr, pte, mk_pte(page, prot)); - (*nr)++; - } while (pte++, addr += PAGE_SIZE, addr != end); -+ pax_close_kernel(); - return 0; - } - -@@ -146,7 +215,7 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr, - pmd_t *pmd; - unsigned long next; - -- pmd = pmd_alloc(&init_mm, pud, addr); -+ pmd = pmd_alloc_kernel(&init_mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -163,7 +232,7 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr, - pud_t *pud; - unsigned long next; - -- pud = pud_alloc(&init_mm, pgd, addr); -+ pud = pud_alloc_kernel(&init_mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -@@ -223,6 +292,12 @@ int is_vmalloc_or_module_addr(const void *x) - if (addr >= MODULES_VADDR && addr < MODULES_END) - return 1; - #endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END) -+ return 1; -+#endif -+ - return is_vmalloc_addr(x); - } - -@@ -243,8 +318,14 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) - - if (!pgd_none(*pgd)) { - pud_t *pud = pud_offset(pgd, addr); -+#ifdef CONFIG_X86 -+ if (!pud_large(*pud)) -+#endif - if (!pud_none(*pud)) { - pmd_t *pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_X86 -+ if (!pmd_large(*pmd)) -+#endif - if (!pmd_none(*pmd)) { - pte_t *ptep, pte; - -@@ -346,7 +427,7 @@ static void purge_vmap_area_lazy(void); - * Allocate a region of KVA of the specified size and alignment, within the - * vstart and vend. - */ --static struct vmap_area *alloc_vmap_area(unsigned long size, -+static struct vmap_area * __size_overflow(1) alloc_vmap_area(unsigned long size, - unsigned long align, - unsigned long vstart, unsigned long vend, - int node, gfp_t gfp_mask) -@@ -1202,13 +1283,27 @@ void __init vmalloc_init(void) - for_each_possible_cpu(i) { - struct vmap_block_queue *vbq; - struct vfree_deferred *p; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ struct stack_deferred *p2; -+#endif - - vbq = &per_cpu(vmap_block_queue, i); - spin_lock_init(&vbq->lock); - INIT_LIST_HEAD(&vbq->free); -+ - p = &per_cpu(vfree_deferred, i); - init_llist_head(&p->list); -- INIT_WORK(&p->wq, free_work); -+ INIT_WORK(&p->wq, vfree_work); -+ -+ p = &per_cpu(vunmap_deferred, i); -+ init_llist_head(&p->list); -+ INIT_WORK(&p->wq, vunmap_work); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ p2 = &per_cpu(stack_deferred, i); -+ init_llist_head(&p2->list.list); -+ INIT_WORK(&p2->wq, unmap_work); -+#endif - } - - /* Import existing vmlist entries. */ -@@ -1333,6 +1428,16 @@ static struct vm_struct *__get_vm_area_node(unsigned long size, - struct vm_struct *area; - - BUG_ON(in_interrupt()); -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (flags & VM_KERNEXEC) { -+ if (start != VMALLOC_START || end != VMALLOC_END) -+ return NULL; -+ start = (unsigned long)MODULES_EXEC_VADDR; -+ end = (unsigned long)MODULES_EXEC_END; -+ } -+#endif -+ - if (flags & VM_IOREMAP) - align = 1ul << clamp_t(int, fls_long(size), - PAGE_SHIFT, IOREMAP_MAX_ORDER); -@@ -1531,13 +1636,36 @@ EXPORT_SYMBOL(vfree); - */ - void vunmap(const void *addr) - { -- BUG_ON(in_interrupt()); -- might_sleep(); -- if (addr) -+ if (!addr) -+ return; -+ if (unlikely(in_interrupt())) { -+ struct vfree_deferred *p = this_cpu_ptr(&vunmap_deferred); -+ if (llist_add((struct llist_node *)addr, &p->list)) -+ schedule_work(&p->wq); -+ } else { -+ might_sleep(); - __vunmap(addr, 0); -+ } - } - EXPORT_SYMBOL(vunmap); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+void unmap_process_stacks(struct task_struct *task) -+{ -+ if (unlikely(in_interrupt())) { -+ struct stack_deferred *p = this_cpu_ptr(&stack_deferred); -+ struct stack_deferred_llist *list = task->stack; -+ list->stack = task->stack; -+ list->lowmem_stack = task->lowmem_stack; -+ if (llist_add((struct llist_node *)&list->list, &p->list.list)) -+ schedule_work(&p->wq); -+ } else { -+ __vunmap(task->stack, 0); -+ free_kmem_pages((unsigned long)task->lowmem_stack, THREAD_SIZE_ORDER); -+ } -+} -+#endif -+ - /** - * vmap - map an array of pages into virtually contiguous space - * @pages: array of page pointers -@@ -1558,6 +1686,11 @@ void *vmap(struct page **pages, unsigned int count, - if (count > totalram_pages) - return NULL; - -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) -+ flags |= VM_KERNEXEC; -+#endif -+ - area = get_vm_area_caller((count << PAGE_SHIFT), flags, - __builtin_return_address(0)); - if (!area) -@@ -1662,6 +1795,14 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, - if (!size || (size >> PAGE_SHIFT) > totalram_pages) - goto fail; - -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) { -+ vm_flags |= VM_KERNEXEC; -+ start = VMALLOC_START; -+ end = VMALLOC_END; -+ } -+#endif -+ - area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNINITIALIZED | - vm_flags, start, end, node, gfp_mask, caller); - if (!area) -@@ -1715,6 +1856,14 @@ static void *__vmalloc_node(unsigned long size, unsigned long align, - gfp_mask, prot, 0, node, caller); - } - -+void *vmalloc_usercopy(unsigned long size) -+{ -+ return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, -+ GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL, -+ VM_USERCOPY, NUMA_NO_NODE, -+ __builtin_return_address(0)); -+} -+ - void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) - { - return __vmalloc_node(size, 1, gfp_mask, prot, NUMA_NO_NODE, -@@ -1838,10 +1987,9 @@ EXPORT_SYMBOL(vzalloc_node); - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -- - void *vmalloc_exec(unsigned long size) - { -- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC, -+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC, - NUMA_NO_NODE, __builtin_return_address(0)); - } - -@@ -2148,6 +2296,8 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr, - { - struct vm_struct *area; - -+ BUG_ON(vma->vm_mirror); -+ - size = PAGE_ALIGN(size); - - if (!PAGE_ALIGNED(uaddr) || !PAGE_ALIGNED(kaddr)) -@@ -2630,7 +2780,11 @@ static int s_show(struct seq_file *m, void *p) - v->addr, v->addr + v->size, v->size); - - if (v->caller) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " %pK", v->caller); -+#else - seq_printf(m, " %pS", v->caller); -+#endif - - if (v->nr_pages) - seq_printf(m, " pages=%d", v->nr_pages); -diff --git a/mm/vmstat.c b/mm/vmstat.c -index 4f5cd97..9fb715a 100644 ---- a/mm/vmstat.c -+++ b/mm/vmstat.c -@@ -27,6 +27,7 @@ - #include <linux/mm_inline.h> - #include <linux/page_ext.h> - #include <linux/page_owner.h> -+#include <linux/grsecurity.h> - - #include "internal.h" - -@@ -86,7 +87,7 @@ void vm_events_fold_cpu(int cpu) - * - * vm_stat contains the global counters - */ --atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp; -+atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp; - EXPORT_SYMBOL(vm_stat); - - #ifdef CONFIG_SMP -@@ -438,7 +439,7 @@ static int fold_diff(int *diff) - - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (diff[i]) { -- atomic_long_add(diff[i], &vm_stat[i]); -+ atomic_long_add_unchecked(diff[i], &vm_stat[i]); - changes++; - } - return changes; -@@ -476,7 +477,7 @@ static int refresh_cpu_vm_stats(void) - v = this_cpu_xchg(p->vm_stat_diff[i], 0); - if (v) { - -- atomic_long_add(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); - global_diff[i] += v; - #ifdef CONFIG_NUMA - /* 3 seconds idle till flush */ -@@ -540,7 +541,7 @@ void cpu_vm_stats_fold(int cpu) - - v = p->vm_stat_diff[i]; - p->vm_stat_diff[i] = 0; -- atomic_long_add(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); - global_diff[i] += v; - } - } -@@ -560,8 +561,8 @@ void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) - if (pset->vm_stat_diff[i]) { - int v = pset->vm_stat_diff[i]; - pset->vm_stat_diff[i] = 0; -- atomic_long_add(v, &zone->vm_stat[i]); -- atomic_long_add(v, &vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &vm_stat[i]); - } - } - #endif -@@ -1293,10 +1294,22 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos) - stat_items_size += sizeof(struct vm_event_state); - #endif - -- v = kmalloc(stat_items_size, GFP_KERNEL); -+ v = kzalloc(stat_items_size, GFP_KERNEL); - m->private = v; - if (!v) - return ERR_PTR(-ENOMEM); -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ && !in_group_p(grsec_proc_gid) -+#endif -+ ) -+ return (unsigned long *)m->private + *pos; -+#endif -+#endif -+ - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - v[i] = global_page_state(i); - v += NR_VM_ZONE_STAT_ITEMS; -@@ -1528,10 +1541,16 @@ static int __init setup_vmstat(void) - cpu_notifier_register_done(); - #endif - #ifdef CONFIG_PROC_FS -- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations); -- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops); -- proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); -+ { -+ mode_t gr_mode = S_IRUGO; -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ gr_mode = S_IRUSR; -+#endif -+ proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations); -+ proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops); -+ proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -+ proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations); -+ } - #endif - return 0; - } -diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c -index 59555f0..fd7ade9 100644 ---- a/net/8021q/vlan.c -+++ b/net/8021q/vlan.c -@@ -491,7 +491,7 @@ out: - return NOTIFY_DONE; - } - --static struct notifier_block vlan_notifier_block __read_mostly = { -+static struct notifier_block vlan_notifier_block = { - .notifier_call = vlan_device_event, - }; - -@@ -566,8 +566,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) - err = -EPERM; - if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) - break; -- if ((args.u.name_type >= 0) && -- (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) { -+ if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) { - struct vlan_net *vn; - - vn = net_generic(net, vlan_net_id); -diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c -index c92b52f..006c052 100644 ---- a/net/8021q/vlan_netlink.c -+++ b/net/8021q/vlan_netlink.c -@@ -245,7 +245,7 @@ static struct net *vlan_get_link_net(const struct net_device *dev) - return dev_net(real_dev); - } - --struct rtnl_link_ops vlan_link_ops __read_mostly = { -+struct rtnl_link_ops vlan_link_ops = { - .kind = "vlan", - .maxtype = IFLA_VLAN_MAX, - .policy = vlan_policy, -diff --git a/net/9p/mod.c b/net/9p/mod.c -index 6ab36ae..6f1841b 100644 ---- a/net/9p/mod.c -+++ b/net/9p/mod.c -@@ -84,7 +84,7 @@ static LIST_HEAD(v9fs_trans_list); - void v9fs_register_trans(struct p9_trans_module *m) - { - spin_lock(&v9fs_trans_lock); -- list_add_tail(&m->list, &v9fs_trans_list); -+ pax_list_add_tail((struct list_head *)&m->list, &v9fs_trans_list); - spin_unlock(&v9fs_trans_lock); - } - EXPORT_SYMBOL(v9fs_register_trans); -@@ -97,7 +97,7 @@ EXPORT_SYMBOL(v9fs_register_trans); - void v9fs_unregister_trans(struct p9_trans_module *m) - { - spin_lock(&v9fs_trans_lock); -- list_del_init(&m->list); -+ pax_list_del_init((struct list_head *)&m->list); - spin_unlock(&v9fs_trans_lock); - } - EXPORT_SYMBOL(v9fs_unregister_trans); -diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c -index bced8c0..ef253b7 100644 ---- a/net/9p/trans_fd.c -+++ b/net/9p/trans_fd.c -@@ -428,7 +428,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len) - oldfs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- ret = vfs_write(ts->wr, (__force void __user *)v, len, &ts->wr->f_pos); -+ ret = vfs_write(ts->wr, (void __force_user *)v, len, &ts->wr->f_pos); - set_fs(oldfs); - - if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN) -diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c -index af46bc4..f9adfcd 100644 ---- a/net/appletalk/atalk_proc.c -+++ b/net/appletalk/atalk_proc.c -@@ -256,7 +256,7 @@ int __init atalk_proc_init(void) - struct proc_dir_entry *p; - int rc = -ENOMEM; - -- atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net); -+ atalk_proc_dir = proc_mkdir_restrict("atalk", init_net.proc_net); - if (!atalk_proc_dir) - goto out; - -diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c -index 876fbe8..8bbea9f 100644 ---- a/net/atm/atm_misc.c -+++ b/net/atm/atm_misc.c -@@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int truesize) - if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf) - return 1; - atm_return(vcc, truesize); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return 0; - } - EXPORT_SYMBOL(atm_charge); -@@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc, int pdu_size, - } - } - atm_return(vcc, guess); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return NULL; - } - EXPORT_SYMBOL(atm_alloc_charge); -@@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal); - - void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -@@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats); - - void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -diff --git a/net/atm/lec.c b/net/atm/lec.c -index cd3b379..977a3c9 100644 ---- a/net/atm/lec.c -+++ b/net/atm/lec.c -@@ -111,9 +111,9 @@ static inline void lec_arp_put(struct lec_arp_table *entry) - } - - static struct lane2_ops lane2_ops = { -- lane2_resolve, /* resolve, spec 3.1.3 */ -- lane2_associate_req, /* associate_req, spec 3.1.4 */ -- NULL /* associate indicator, spec 3.1.5 */ -+ .resolve = lane2_resolve, -+ .associate_req = lane2_associate_req, -+ .associate_indicator = NULL - }; - - static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; -diff --git a/net/atm/lec.h b/net/atm/lec.h -index 4149db1..f2ab682 100644 ---- a/net/atm/lec.h -+++ b/net/atm/lec.h -@@ -48,7 +48,7 @@ struct lane2_ops { - const u8 *tlvs, u32 sizeoftlvs); - void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr, - const u8 *tlvs, u32 sizeoftlvs); --}; -+} __no_const; - - /* - * ATM LAN Emulation supports both LLC & Dix Ethernet EtherType -diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c -index d1b2d9a..d549f7f 100644 ---- a/net/atm/mpoa_caches.c -+++ b/net/atm/mpoa_caches.c -@@ -535,30 +535,30 @@ static void eg_destroy_cache(struct mpoa_client *mpc) - - - static struct in_cache_ops ingress_ops = { -- in_cache_add_entry, /* add_entry */ -- in_cache_get, /* get */ -- in_cache_get_with_mask, /* get_with_mask */ -- in_cache_get_by_vcc, /* get_by_vcc */ -- in_cache_put, /* put */ -- in_cache_remove_entry, /* remove_entry */ -- cache_hit, /* cache_hit */ -- clear_count_and_expired, /* clear_count */ -- check_resolving_entries, /* check_resolving */ -- refresh_entries, /* refresh */ -- in_destroy_cache /* destroy_cache */ -+ .add_entry = in_cache_add_entry, -+ .get = in_cache_get, -+ .get_with_mask = in_cache_get_with_mask, -+ .get_by_vcc = in_cache_get_by_vcc, -+ .put = in_cache_put, -+ .remove_entry = in_cache_remove_entry, -+ .cache_hit = cache_hit, -+ .clear_count = clear_count_and_expired, -+ .check_resolving = check_resolving_entries, -+ .refresh = refresh_entries, -+ .destroy_cache = in_destroy_cache - }; - - static struct eg_cache_ops egress_ops = { -- eg_cache_add_entry, /* add_entry */ -- eg_cache_get_by_cache_id, /* get_by_cache_id */ -- eg_cache_get_by_tag, /* get_by_tag */ -- eg_cache_get_by_vcc, /* get_by_vcc */ -- eg_cache_get_by_src_ip, /* get_by_src_ip */ -- eg_cache_put, /* put */ -- eg_cache_remove_entry, /* remove_entry */ -- update_eg_cache_entry, /* update */ -- clear_expired, /* clear_expired */ -- eg_destroy_cache /* destroy_cache */ -+ .add_entry = eg_cache_add_entry, -+ .get_by_cache_id = eg_cache_get_by_cache_id, -+ .get_by_tag = eg_cache_get_by_tag, -+ .get_by_vcc = eg_cache_get_by_vcc, -+ .get_by_src_ip = eg_cache_get_by_src_ip, -+ .put = eg_cache_put, -+ .remove_entry = eg_cache_remove_entry, -+ .update = update_eg_cache_entry, -+ .clear_expired = clear_expired, -+ .destroy_cache = eg_destroy_cache - }; - - -diff --git a/net/atm/proc.c b/net/atm/proc.c -index bbb6461..cf04016 100644 ---- a/net/atm/proc.c -+++ b/net/atm/proc.c -@@ -45,9 +45,9 @@ static void add_stats(struct seq_file *seq, const char *aal, - const struct k_atm_aal_stats *stats) - { - seq_printf(seq, "%s ( %d %d %d %d %d )", aal, -- atomic_read(&stats->tx), atomic_read(&stats->tx_err), -- atomic_read(&stats->rx), atomic_read(&stats->rx_err), -- atomic_read(&stats->rx_drop)); -+ atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err), -+ atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err), -+ atomic_read_unchecked(&stats->rx_drop)); - } - - static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev) -diff --git a/net/atm/resources.c b/net/atm/resources.c -index 0447d5d..3cf4728 100644 ---- a/net/atm/resources.c -+++ b/net/atm/resources.c -@@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister); - static void copy_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -@@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_aal_stats *from, - static void subtract_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c -index 1997538..3b78e84 100644 ---- a/net/ax25/ax25_subr.c -+++ b/net/ax25/ax25_subr.c -@@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason) - { - ax25_clear_queues(ax25); - -+ ax25_stop_heartbeat(ax25); - ax25_stop_t1timer(ax25); - ax25_stop_t2timer(ax25); - ax25_stop_t3timer(ax25); -diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c -index 919a5ce..cc6b444 100644 ---- a/net/ax25/sysctl_net_ax25.c -+++ b/net/ax25/sysctl_net_ax25.c -@@ -152,7 +152,7 @@ int ax25_register_dev_sysctl(ax25_dev *ax25_dev) - { - char path[sizeof("net/ax25/") + IFNAMSIZ]; - int k; -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL); - if (!table) -diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c -index 00e00e0..710fcd2 100644 ---- a/net/batman-adv/bat_iv_ogm.c -+++ b/net/batman-adv/bat_iv_ogm.c -@@ -312,7 +312,7 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface) - - /* randomize initial seqno to avoid collision */ - get_random_bytes(&random_seqno, sizeof(random_seqno)); -- atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno); -+ atomic_set_unchecked(&hard_iface->bat_iv.ogm_seqno, random_seqno); - - hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN; - ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC); -@@ -917,9 +917,9 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface) - batadv_ogm_packet->tvlv_len = htons(tvlv_len); - - /* change sequence number to network order */ -- seqno = (uint32_t)atomic_read(&hard_iface->bat_iv.ogm_seqno); -+ seqno = (uint32_t)atomic_read_unchecked(&hard_iface->bat_iv.ogm_seqno); - batadv_ogm_packet->seqno = htonl(seqno); -- atomic_inc(&hard_iface->bat_iv.ogm_seqno); -+ atomic_inc_unchecked(&hard_iface->bat_iv.ogm_seqno); - - batadv_iv_ogm_slide_own_bcast_window(hard_iface); - -@@ -1596,7 +1596,7 @@ static void batadv_iv_ogm_process(const struct sk_buff *skb, int ogm_offset, - return; - - /* could be changed by schedule_own_packet() */ -- if_incoming_seqno = atomic_read(&if_incoming->bat_iv.ogm_seqno); -+ if_incoming_seqno = atomic_read_unchecked(&if_incoming->bat_iv.ogm_seqno); - - if (ogm_packet->flags & BATADV_DIRECTLINK) - has_directlink_flag = true; -diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c -index 3d1dcaa..4699f4e 100644 ---- a/net/batman-adv/fragmentation.c -+++ b/net/batman-adv/fragmentation.c -@@ -449,7 +449,7 @@ bool batadv_frag_send_packet(struct sk_buff *skb, - frag_header.packet_type = BATADV_UNICAST_FRAG; - frag_header.version = BATADV_COMPAT_VERSION; - frag_header.ttl = BATADV_TTL; -- frag_header.seqno = htons(atomic_inc_return(&bat_priv->frag_seqno)); -+ frag_header.seqno = htons(atomic_inc_return_unchecked(&bat_priv->frag_seqno)); - frag_header.reserved = 0; - frag_header.no = 0; - frag_header.total_size = htons(skb->len); -diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c -index 5ec31d7..e371631 100644 ---- a/net/batman-adv/soft-interface.c -+++ b/net/batman-adv/soft-interface.c -@@ -295,7 +295,7 @@ send: - primary_if->net_dev->dev_addr); - - /* set broadcast sequence number */ -- seqno = atomic_inc_return(&bat_priv->bcast_seqno); -+ seqno = atomic_inc_return_unchecked(&bat_priv->bcast_seqno); - bcast_packet->seqno = htonl(seqno); - - batadv_add_bcast_packet_to_list(bat_priv, skb, brd_delay); -@@ -760,7 +760,7 @@ static int batadv_softif_init_late(struct net_device *dev) - atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); - - atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); -- atomic_set(&bat_priv->bcast_seqno, 1); -+ atomic_set_unchecked(&bat_priv->bcast_seqno, 1); - atomic_set(&bat_priv->tt.vn, 0); - atomic_set(&bat_priv->tt.local_changes, 0); - atomic_set(&bat_priv->tt.ogm_append_cnt, 0); -@@ -774,7 +774,7 @@ static int batadv_softif_init_late(struct net_device *dev) - - /* randomize initial seqno to avoid collision */ - get_random_bytes(&random_seqno, sizeof(random_seqno)); -- atomic_set(&bat_priv->frag_seqno, random_seqno); -+ atomic_set_unchecked(&bat_priv->frag_seqno, random_seqno); - - bat_priv->primary_if = NULL; - bat_priv->num_ifaces = 0; -@@ -982,7 +982,7 @@ int batadv_softif_is_valid(const struct net_device *net_dev) - return 0; - } - --struct rtnl_link_ops batadv_link_ops __read_mostly = { -+struct rtnl_link_ops batadv_link_ops = { - .kind = "batadv", - .priv_size = sizeof(struct batadv_priv), - .setup = batadv_softif_init_early, -diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h -index 9398c3f..0e79657 100644 ---- a/net/batman-adv/types.h -+++ b/net/batman-adv/types.h -@@ -67,7 +67,7 @@ enum batadv_dhcp_recipient { - struct batadv_hard_iface_bat_iv { - unsigned char *ogm_buff; - int ogm_buff_len; -- atomic_t ogm_seqno; -+ atomic_unchecked_t ogm_seqno; - }; - - /** -@@ -766,7 +766,7 @@ struct batadv_priv { - atomic_t bonding; - atomic_t fragmentation; - atomic_t packet_size_max; -- atomic_t frag_seqno; -+ atomic_unchecked_t frag_seqno; - #ifdef CONFIG_BATMAN_ADV_BLA - atomic_t bridge_loop_avoidance; - #endif -@@ -785,7 +785,7 @@ struct batadv_priv { - #endif - uint32_t isolation_mark; - uint32_t isolation_mark_mask; -- atomic_t bcast_seqno; -+ atomic_unchecked_t bcast_seqno; - atomic_t bcast_queue_left; - atomic_t batman_queue_left; - char num_ifaces; -diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c -index e11a5cf..02864cd 100644 ---- a/net/bluetooth/hci_sock.c -+++ b/net/bluetooth/hci_sock.c -@@ -1253,7 +1253,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, - uf.event_mask[1] = *((u32 *) f->event_mask + 1); - } - -- len = min_t(unsigned int, len, sizeof(uf)); -+ len = min((size_t)len, sizeof(uf)); - if (copy_from_user(&uf, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c -index dad4197..253bbdf 100644 ---- a/net/bluetooth/l2cap_core.c -+++ b/net/bluetooth/l2cap_core.c -@@ -3541,8 +3541,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, - break; - - case L2CAP_CONF_RFC: -- if (olen == sizeof(rfc)) -- memcpy(&rfc, (void *)val, olen); -+ if (olen != sizeof(rfc)) -+ break; -+ -+ memcpy(&rfc, (void *)val, olen); - - if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) && - rfc.mode != chan->mode) -diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c -index a7278f0..3443626 100644 ---- a/net/bluetooth/l2cap_sock.c -+++ b/net/bluetooth/l2cap_sock.c -@@ -633,7 +633,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, - struct sock *sk = sock->sk; - struct l2cap_chan *chan = l2cap_pi(sk)->chan; - struct l2cap_options opts; -- int len, err = 0; -+ int err = 0; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -660,7 +661,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, - opts.max_tx = chan->max_tx; - opts.txwin_size = chan->tx_win; - -- len = min_t(unsigned int, sizeof(opts), optlen); -+ len = min(sizeof(opts), len); - if (copy_from_user((char *) &opts, optval, len)) { - err = -EFAULT; - break; -@@ -747,7 +748,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - struct bt_security sec; - struct bt_power pwr; - struct l2cap_conn *conn; -- int len, err = 0; -+ int err = 0; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -771,7 +773,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - - sec.level = BT_SECURITY_LOW; - -- len = min_t(unsigned int, sizeof(sec), optlen); -+ len = min(sizeof(sec), len); - if (copy_from_user((char *) &sec, optval, len)) { - err = -EFAULT; - break; -@@ -867,7 +869,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - - pwr.force_active = BT_POWER_FORCE_ACTIVE_ON; - -- len = min_t(unsigned int, sizeof(pwr), optlen); -+ len = min(sizeof(pwr), len); - if (copy_from_user((char *) &pwr, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c -index 825e8fb..efc24a4 100644 ---- a/net/bluetooth/rfcomm/sock.c -+++ b/net/bluetooth/rfcomm/sock.c -@@ -686,7 +686,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c - struct sock *sk = sock->sk; - struct bt_security sec; - int err = 0; -- size_t len; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -708,7 +708,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c - - sec.level = BT_SECURITY_LOW; - -- len = min_t(unsigned int, sizeof(sec), optlen); -+ len = min(sizeof(sec), len); - if (copy_from_user((char *) &sec, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c -index 8e385a0..a5bdd8e 100644 ---- a/net/bluetooth/rfcomm/tty.c -+++ b/net/bluetooth/rfcomm/tty.c -@@ -752,7 +752,7 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) - BT_DBG("tty %p id %d", tty, tty->index); - - BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst, -- dev->channel, dev->port.count); -+ dev->channel, atomic_read(&dev->port.count)); - - err = tty_port_open(&dev->port, tty, filp); - if (err) -@@ -775,7 +775,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) - struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data; - - BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, -- dev->port.count); -+ atomic_read(&dev->port.count)); - - tty_port_close(&dev->port, tty, filp); - } -diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c -index e29ad70b..cc00066 100644 ---- a/net/bridge/br_mdb.c -+++ b/net/bridge/br_mdb.c -@@ -371,6 +371,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, - if (!p || p->br != br || p->state == BR_STATE_DISABLED) - return -EINVAL; - -+ memset(&ip, 0, sizeof(ip)); - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) - ip.u.ip4 = entry->addr.u.ip4; -@@ -417,6 +418,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) - if (!netif_running(br->dev) || br->multicast_disabled) - return -EINVAL; - -+ memset(&ip, 0, sizeof(ip)); - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_other_query.timer)) -diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c -index 4b5c236..f303683 100644 ---- a/net/bridge/br_netlink.c -+++ b/net/bridge/br_netlink.c -@@ -112,6 +112,8 @@ static inline size_t br_port_info_size(void) - + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ - + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ - + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ -+ + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ -+ + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ - + 0; - } - -@@ -504,6 +506,8 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { - [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, - [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, - [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, -+ [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, -+ [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, - }; - - /* Change the state of the port and notify spanning tree */ -@@ -841,7 +845,7 @@ static struct rtnl_af_ops br_af_ops __read_mostly = { - .get_link_af_size = br_get_link_af_size, - }; - --struct rtnl_link_ops br_link_ops __read_mostly = { -+struct rtnl_link_ops br_link_ops = { - .kind = "bridge", - .priv_size = sizeof(struct net_bridge), - .setup = br_dev_setup, -diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c -index 91180a7..1301daa 100644 ---- a/net/bridge/netfilter/ebtables.c -+++ b/net/bridge/netfilter/ebtables.c -@@ -1533,7 +1533,7 @@ static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - tmp.valid_hooks = t->table->valid_hooks; - } - mutex_unlock(&ebt_mutex); -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - BUGPRINT("c2u Didn't work\n"); - ret = -EFAULT; - break; -@@ -2339,7 +2339,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd, - goto out; - tmp.valid_hooks = t->valid_hooks; - -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - ret = -EFAULT; - break; - } -@@ -2350,7 +2350,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd, - tmp.entries_size = t->table->entries_size; - tmp.valid_hooks = t->table->valid_hooks; - -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - ret = -EFAULT; - break; - } -diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c -index f5afda1..dcf770a 100644 ---- a/net/caif/cfctrl.c -+++ b/net/caif/cfctrl.c -@@ -10,6 +10,7 @@ - #include <linux/spinlock.h> - #include <linux/slab.h> - #include <linux/pkt_sched.h> -+#include <linux/sched.h> - #include <net/caif/caif_layer.h> - #include <net/caif/cfpkt.h> - #include <net/caif/cfctrl.h> -@@ -43,8 +44,8 @@ struct cflayer *cfctrl_create(void) - memset(&dev_info, 0, sizeof(dev_info)); - dev_info.id = 0xff; - cfsrvl_init(&this->serv, 0, &dev_info, false); -- atomic_set(&this->req_seq_no, 1); -- atomic_set(&this->rsp_seq_no, 1); -+ atomic_set_unchecked(&this->req_seq_no, 1); -+ atomic_set_unchecked(&this->rsp_seq_no, 1); - this->serv.layer.receive = cfctrl_recv; - sprintf(this->serv.layer.name, "ctrl"); - this->serv.layer.ctrlcmd = cfctrl_ctrlcmd; -@@ -130,8 +131,8 @@ static void cfctrl_insert_req(struct cfctrl *ctrl, - struct cfctrl_request_info *req) - { - spin_lock_bh(&ctrl->info_list_lock); -- atomic_inc(&ctrl->req_seq_no); -- req->sequence_no = atomic_read(&ctrl->req_seq_no); -+ atomic_inc_unchecked(&ctrl->req_seq_no); -+ req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no); - list_add_tail(&req->list, &ctrl->list); - spin_unlock_bh(&ctrl->info_list_lock); - } -@@ -149,7 +150,7 @@ static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl, - if (p != first) - pr_warn("Requests are not received in order\n"); - -- atomic_set(&ctrl->rsp_seq_no, -+ atomic_set_unchecked(&ctrl->rsp_seq_no, - p->sequence_no); - list_del(&p->list); - goto out; -diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c -index 67a4a36..8d28068 100644 ---- a/net/caif/chnl_net.c -+++ b/net/caif/chnl_net.c -@@ -515,7 +515,7 @@ static const struct nla_policy ipcaif_policy[IFLA_CAIF_MAX + 1] = { - }; - - --static struct rtnl_link_ops ipcaif_link_ops __read_mostly = { -+static struct rtnl_link_ops ipcaif_link_ops = { - .kind = "caif", - .priv_size = sizeof(struct chnl_net), - .setup = ipcaif_net_setup, -diff --git a/net/can/af_can.c b/net/can/af_can.c -index 62c635f..0b59618 100644 ---- a/net/can/af_can.c -+++ b/net/can/af_can.c -@@ -890,7 +890,7 @@ static const struct net_proto_family can_family_ops = { - }; - - /* notifier block for netdevice event */ --static struct notifier_block can_netdev_notifier __read_mostly = { -+static struct notifier_block can_netdev_notifier = { - .notifier_call = can_notifier, - }; - -diff --git a/net/can/bcm.c b/net/can/bcm.c -index a1ba687..aafaec5 100644 ---- a/net/can/bcm.c -+++ b/net/can/bcm.c -@@ -1620,7 +1620,7 @@ static int __init bcm_module_init(void) - } - - /* create /proc/net/can-bcm directory */ -- proc_dir = proc_mkdir("can-bcm", init_net.proc_net); -+ proc_dir = proc_mkdir_restrict("can-bcm", init_net.proc_net); - return 0; - } - -diff --git a/net/can/gw.c b/net/can/gw.c -index a6f448e..5902171 100644 ---- a/net/can/gw.c -+++ b/net/can/gw.c -@@ -80,7 +80,6 @@ MODULE_PARM_DESC(max_hops, - "default: " __stringify(CGW_DEFAULT_HOPS) ")"); - - static HLIST_HEAD(cgw_list); --static struct notifier_block notifier; - - static struct kmem_cache *cgw_cache __read_mostly; - -@@ -948,6 +947,10 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh) - return err; - } - -+static struct notifier_block notifier = { -+ .notifier_call = cgw_notifier -+}; -+ - static __init int cgw_module_init(void) - { - /* sanitize given module parameter */ -@@ -963,7 +966,6 @@ static __init int cgw_module_init(void) - return -ENOMEM; - - /* set notifier */ -- notifier.notifier_call = cgw_notifier; - register_netdevice_notifier(&notifier); - - if (__rtnl_register(PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, NULL)) { -diff --git a/net/can/proc.c b/net/can/proc.c -index 1a19b98..df2b4ec 100644 ---- a/net/can/proc.c -+++ b/net/can/proc.c -@@ -514,7 +514,7 @@ static void can_remove_proc_readentry(const char *name) - void can_init_proc(void) - { - /* create /proc/net/can directory */ -- can_dir = proc_mkdir("can", init_net.proc_net); -+ can_dir = proc_mkdir_restrict("can", init_net.proc_net); - - if (!can_dir) { - printk(KERN_INFO "can: failed to create /proc/net/can . " -diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c -index 967080a..5e75f04 100644 ---- a/net/ceph/messenger.c -+++ b/net/ceph/messenger.c -@@ -188,7 +188,7 @@ static void con_fault(struct ceph_connection *con); - #define MAX_ADDR_STR_LEN 64 /* 54 is enough */ - - static char addr_str[ADDR_STR_COUNT][MAX_ADDR_STR_LEN]; --static atomic_t addr_str_seq = ATOMIC_INIT(0); -+static atomic_unchecked_t addr_str_seq = ATOMIC_INIT(0); - - static struct page *zero_page; /* used in certain error cases */ - -@@ -199,7 +199,7 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss) - struct sockaddr_in *in4 = (struct sockaddr_in *) ss; - struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) ss; - -- i = atomic_inc_return(&addr_str_seq) & ADDR_STR_COUNT_MASK; -+ i = atomic_inc_return_unchecked(&addr_str_seq) & ADDR_STR_COUNT_MASK; - s = addr_str[i]; - - switch (ss->ss_family) { -diff --git a/net/compat.c b/net/compat.c -index 5cfd26a..7e43828 100644 ---- a/net/compat.c -+++ b/net/compat.c -@@ -98,20 +98,20 @@ int get_compat_msghdr(struct msghdr *kmsg, - - #define CMSG_COMPAT_FIRSTHDR(msg) \ - (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \ -- (struct compat_cmsghdr __user *)((msg)->msg_control) : \ -+ (struct compat_cmsghdr __force_user *)((msg)->msg_control) : \ - (struct compat_cmsghdr __user *)NULL) - - #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \ - ((ucmlen) >= sizeof(struct compat_cmsghdr) && \ - (ucmlen) <= (unsigned long) \ - ((mhdr)->msg_controllen - \ -- ((char *)(ucmsg) - (char *)(mhdr)->msg_control))) -+ ((char __force_kernel *)(ucmsg) - (char *)(mhdr)->msg_control))) - - static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg, - struct compat_cmsghdr __user *cmsg, int cmsg_len) - { - char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len); -- if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) > -+ if ((unsigned long)(ptr + 1 - (char __force_user *)msg->msg_control) > - msg->msg_controllen) - return NULL; - return (struct compat_cmsghdr __user *)ptr; -@@ -201,7 +201,7 @@ Efault: - - int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data) - { -- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; -+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control; - struct compat_cmsghdr cmhdr; - struct compat_timeval ctv; - struct compat_timespec cts[3]; -@@ -257,7 +257,7 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat - - void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm) - { -- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; -+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control; - int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int); - int fdnum = scm->fp->count; - struct file **fp = scm->fp->fp; -@@ -345,7 +345,7 @@ static int do_set_sock_timeout(struct socket *sock, int level, - return -EFAULT; - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = sock_setsockopt(sock, level, optname, (char *)&ktime, sizeof(ktime)); -+ err = sock_setsockopt(sock, level, optname, (char __force_user *)&ktime, sizeof(ktime)); - set_fs(old_fs); - - return err; -@@ -406,7 +406,7 @@ static int do_get_sock_timeout(struct socket *sock, int level, int optname, - len = sizeof(ktime); - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len); -+ err = sock_getsockopt(sock, level, optname, (char __force_user *) &ktime, (int __force_user *)&len); - set_fs(old_fs); - - if (!err) { -@@ -549,7 +549,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - case MCAST_JOIN_GROUP: - case MCAST_LEAVE_GROUP: - { -- struct compat_group_req __user *gr32 = (void *)optval; -+ struct compat_group_req __user *gr32 = (void __user *)optval; - struct group_req __user *kgr = - compat_alloc_user_space(sizeof(struct group_req)); - u32 interface; -@@ -570,7 +570,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - case MCAST_BLOCK_SOURCE: - case MCAST_UNBLOCK_SOURCE: - { -- struct compat_group_source_req __user *gsr32 = (void *)optval; -+ struct compat_group_source_req __user *gsr32 = (void __user *)optval; - struct group_source_req __user *kgsr = compat_alloc_user_space( - sizeof(struct group_source_req)); - u32 interface; -@@ -591,7 +591,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - } - case MCAST_MSFILTER: - { -- struct compat_group_filter __user *gf32 = (void *)optval; -+ struct compat_group_filter __user *gf32 = (void __user *)optval; - struct group_filter __user *kgf; - u32 interface, fmode, numsrc; - -@@ -629,7 +629,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname, - char __user *optval, int __user *optlen, - int (*getsockopt)(struct sock *, int, int, char __user *, int __user *)) - { -- struct compat_group_filter __user *gf32 = (void *)optval; -+ struct compat_group_filter __user *gf32 = (void __user *)optval; - struct group_filter __user *kgf; - int __user *koptlen; - u32 interface, fmode, numsrc; -@@ -773,7 +773,7 @@ COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args) - - if (call < SYS_SOCKET || call > SYS_SENDMMSG) - return -EINVAL; -- if (copy_from_user(a, args, nas[call])) -+ if (nas[call] > sizeof a || copy_from_user(a, args, nas[call])) - return -EFAULT; - a0 = a[0]; - a1 = a[1]; -diff --git a/net/core/datagram.c b/net/core/datagram.c -index b80fb91..0364f4f 100644 ---- a/net/core/datagram.c -+++ b/net/core/datagram.c -@@ -131,6 +131,35 @@ out_noerr: - goto out; - } - -+static struct sk_buff *skb_set_peeked(struct sk_buff *skb) -+{ -+ struct sk_buff *nskb; -+ -+ if (skb->peeked) -+ return skb; -+ -+ /* We have to unshare an skb before modifying it. */ -+ if (!skb_shared(skb)) -+ goto done; -+ -+ nskb = skb_clone(skb, GFP_ATOMIC); -+ if (!nskb) -+ return ERR_PTR(-ENOMEM); -+ -+ skb->prev->next = nskb; -+ skb->next->prev = nskb; -+ nskb->prev = skb->prev; -+ nskb->next = skb->next; -+ -+ consume_skb(skb); -+ skb = nskb; -+ -+done: -+ skb->peeked = 1; -+ -+ return skb; -+} -+ - /** - * __skb_recv_datagram - Receive a datagram skbuff - * @sk: socket -@@ -165,7 +194,9 @@ out_noerr: - struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - int *peeked, int *off, int *err) - { -+ struct sk_buff_head *queue = &sk->sk_receive_queue; - struct sk_buff *skb, *last; -+ unsigned long cpu_flags; - long timeo; - /* - * Caller is allowed not to check sk->sk_err before skb_recv_datagram() -@@ -184,8 +215,6 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - * Look at current nfs client by the way... - * However, this function was correct in any case. 8) - */ -- unsigned long cpu_flags; -- struct sk_buff_head *queue = &sk->sk_receive_queue; - int _off = *off; - - last = (struct sk_buff *)queue; -@@ -199,7 +228,12 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - _off -= skb->len; - continue; - } -- skb->peeked = 1; -+ -+ skb = skb_set_peeked(skb); -+ error = PTR_ERR(skb); -+ if (IS_ERR(skb)) -+ goto unlock_err; -+ - atomic_inc(&skb->users); - } else - __skb_unlink(skb, queue); -@@ -223,6 +257,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - - return NULL; - -+unlock_err: -+ spin_unlock_irqrestore(&queue->lock, cpu_flags); - no_packet: - *err = error; - return NULL; -@@ -302,7 +338,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags) - } - - kfree_skb(skb); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - sk_mem_reclaim_partial(sk); - - return err; -@@ -622,7 +658,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) - !skb->csum_complete_sw) - netdev_rx_csum_fault(skb->dev); - } -- skb->csum_valid = !sum; -+ if (!skb_shared(skb)) -+ skb->csum_valid = !sum; - return sum; - } - EXPORT_SYMBOL(__skb_checksum_complete_head); -@@ -642,11 +679,13 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) - netdev_rx_csum_fault(skb->dev); - } - -- /* Save full packet checksum */ -- skb->csum = csum; -- skb->ip_summed = CHECKSUM_COMPLETE; -- skb->csum_complete_sw = 1; -- skb->csum_valid = !sum; -+ if (!skb_shared(skb)) { -+ /* Save full packet checksum */ -+ skb->csum = csum; -+ skb->ip_summed = CHECKSUM_COMPLETE; -+ skb->csum_complete_sw = 1; -+ skb->csum_valid = !sum; -+ } - - return sum; - } -diff --git a/net/core/dev.c b/net/core/dev.c -index aa82f9a..f28b00e 100644 ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -1720,7 +1720,7 @@ int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb) - { - if (skb_orphan_frags(skb, GFP_ATOMIC) || - unlikely(!is_skb_forwardable(dev, skb))) { -- atomic_long_inc(&dev->rx_dropped); -+ atomic_long_inc_unchecked(&dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -3018,7 +3018,7 @@ recursion_alert: - drop: - rcu_read_unlock_bh(); - -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - kfree_skb_list(skb); - return rc; - out: -@@ -3367,7 +3367,7 @@ enqueue: - - local_irq_restore(flags); - -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -3444,7 +3444,7 @@ int netif_rx_ni(struct sk_buff *skb) - } - EXPORT_SYMBOL(netif_rx_ni); - --static void net_tx_action(struct softirq_action *h) -+static __latent_entropy void net_tx_action(void) - { - struct softnet_data *sd = this_cpu_ptr(&softnet_data); - -@@ -3783,7 +3783,7 @@ ncls: - ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev); - } else { - drop: -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - kfree_skb(skb); - /* Jamal, now you will not able to escape explaining - * me how you were going to use this. :-) -@@ -4672,7 +4672,7 @@ out_unlock: - return work; - } - --static void net_rx_action(struct softirq_action *h) -+static __latent_entropy void net_rx_action(void) - { - struct softnet_data *sd = this_cpu_ptr(&softnet_data); - unsigned long time_limit = jiffies + 2; -@@ -6721,8 +6721,8 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, - } else { - netdev_stats_to_stats64(storage, &dev->stats); - } -- storage->rx_dropped += atomic_long_read(&dev->rx_dropped); -- storage->tx_dropped += atomic_long_read(&dev->tx_dropped); -+ storage->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped); -+ storage->tx_dropped += atomic_long_read_unchecked(&dev->tx_dropped); - return storage; - } - EXPORT_SYMBOL(dev_get_stats); -diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c -index b94b1d2..da3ed7c 100644 ---- a/net/core/dev_ioctl.c -+++ b/net/core/dev_ioctl.c -@@ -368,8 +368,13 @@ void dev_load(struct net *net, const char *name) - no_module = !dev; - if (no_module && capable(CAP_NET_ADMIN)) - no_module = request_module("netdev-%s", name); -- if (no_module && capable(CAP_SYS_MODULE)) -+ if (no_module && capable(CAP_SYS_MODULE)) { -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ ___request_module(true, "grsec_modharden_netdev", "%s", name); -+#else - request_module("%s", name); -+#endif -+ } - } - EXPORT_SYMBOL(dev_load); - -diff --git a/net/core/dst.c b/net/core/dst.c -index e956ce6..002144be 100644 ---- a/net/core/dst.c -+++ b/net/core/dst.c -@@ -284,7 +284,9 @@ void dst_release(struct dst_entry *dst) - int newrefcnt; - - newrefcnt = atomic_dec_return(&dst->__refcnt); -- WARN_ON(newrefcnt < 0); -+ if (unlikely(newrefcnt < 0)) -+ net_warn_ratelimited("%s: dst:%p refcnt:%d\n", -+ __func__, dst, newrefcnt); - if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) - call_rcu(&dst->rcu_head, dst_destroy_rcu); - } -diff --git a/net/core/filter.c b/net/core/filter.c -index bf831a8..8d2c4c2 100644 ---- a/net/core/filter.c -+++ b/net/core/filter.c -@@ -579,7 +579,11 @@ do_pass: - - /* Unknown instruction. */ - default: -- goto err; -+ WARN(1, KERN_ALERT "Unknown sock filter code:%u jt:%u tf:%u k:%u\n", -+ fp->code, fp->jt, fp->jf, fp->k); -+ kfree(addrs); -+ BUG(); -+ return -EINVAL; - } - - insn++; -@@ -623,7 +627,7 @@ static int check_load_and_stores(const struct sock_filter *filter, int flen) - u16 *masks, memvalid = 0; /* One bit per cell, 16 cells */ - int pc, ret = 0; - -- BUILD_BUG_ON(BPF_MEMWORDS > 16); -+ BUILD_BUG_ON(BPF_MEMWORDS != 16); - - masks = kmalloc_array(flen, sizeof(*masks), GFP_KERNEL); - if (!masks) -@@ -1038,7 +1042,7 @@ int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog) - if (!fp) - return -ENOMEM; - -- memcpy(fp->insns, fprog->filter, fsize); -+ memcpy(fp->insns, (void __force_kernel *)fprog->filter, fsize); - - fp->len = fprog->len; - /* Since unattached filters are not copied back to user -diff --git a/net/core/flow.c b/net/core/flow.c -index 1033725..340f65d 100644 ---- a/net/core/flow.c -+++ b/net/core/flow.c -@@ -65,7 +65,7 @@ static void flow_cache_new_hashrnd(unsigned long arg) - static int flow_entry_valid(struct flow_cache_entry *fle, - struct netns_xfrm *xfrm) - { -- if (atomic_read(&xfrm->flow_cache_genid) != fle->genid) -+ if (atomic_read_unchecked(&xfrm->flow_cache_genid) != fle->genid) - return 0; - if (fle->object && !fle->object->ops->check(fle->object)) - return 0; -@@ -242,7 +242,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, - hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]); - fcp->hash_count++; - } -- } else if (likely(fle->genid == atomic_read(&net->xfrm.flow_cache_genid))) { -+ } else if (likely(fle->genid == atomic_read_unchecked(&net->xfrm.flow_cache_genid))) { - flo = fle->object; - if (!flo) - goto ret_object; -@@ -263,7 +263,7 @@ nocache: - } - flo = resolver(net, key, family, dir, flo, ctx); - if (fle) { -- fle->genid = atomic_read(&net->xfrm.flow_cache_genid); -+ fle->genid = atomic_read_unchecked(&net->xfrm.flow_cache_genid); - if (!IS_ERR(flo)) - fle->object = flo; - else -diff --git a/net/core/neighbour.c b/net/core/neighbour.c -index 2237c1b..c0c80ab 100644 ---- a/net/core/neighbour.c -+++ b/net/core/neighbour.c -@@ -2818,7 +2818,7 @@ static int proc_unres_qlen(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - int size, ret; -- struct ctl_table tmp = *ctl; -+ ctl_table_no_const tmp = *ctl; - - tmp.extra1 = &zero; - tmp.extra2 = &unres_qlen_max; -@@ -2880,7 +2880,7 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write, - void __user *buffer, - size_t *lenp, loff_t *ppos) - { -- struct ctl_table tmp = *ctl; -+ ctl_table_no_const tmp = *ctl; - int ret; - - tmp.extra1 = &zero; -diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c -index 2bf8329..2eb1423 100644 ---- a/net/core/net-procfs.c -+++ b/net/core/net-procfs.c -@@ -79,7 +79,13 @@ static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev) - struct rtnl_link_stats64 temp; - const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp); - -- seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " -+ if (gr_proc_is_restricted()) -+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " -+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n", -+ dev->name, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, -+ 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL); -+ else -+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " - "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n", - dev->name, stats->rx_bytes, stats->rx_packets, - stats->rx_errors, -@@ -166,7 +172,7 @@ static int softnet_seq_show(struct seq_file *seq, void *v) - return 0; - } - --static const struct seq_operations dev_seq_ops = { -+const struct seq_operations dev_seq_ops = { - .start = dev_seq_start, - .next = dev_seq_next, - .stop = dev_seq_stop, -@@ -196,7 +202,7 @@ static const struct seq_operations softnet_seq_ops = { - - static int softnet_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &softnet_seq_ops); -+ return seq_open_restrict(file, &softnet_seq_ops); - } - - static const struct file_operations softnet_seq_fops = { -@@ -283,8 +289,13 @@ static int ptype_seq_show(struct seq_file *seq, void *v) - else - seq_printf(seq, "%04x", ntohs(pt->type)); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(seq, " %-8s %pf\n", -+ pt->dev ? pt->dev->name : "", NULL); -+#else - seq_printf(seq, " %-8s %pf\n", - pt->dev ? pt->dev->name : "", pt->func); -+#endif - } - - return 0; -diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c -index 4238d6d..e6b605c 100644 ---- a/net/core/net-sysfs.c -+++ b/net/core/net-sysfs.c -@@ -288,7 +288,7 @@ static ssize_t carrier_changes_show(struct device *dev, - { - struct net_device *netdev = to_net_dev(dev); - return sprintf(buf, fmt_dec, -- atomic_read(&netdev->carrier_changes)); -+ atomic_read_unchecked(&netdev->carrier_changes)); - } - static DEVICE_ATTR_RO(carrier_changes); - -diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c -index 572af00..5acf072 100644 ---- a/net/core/net_namespace.c -+++ b/net/core/net_namespace.c -@@ -734,7 +734,7 @@ static int __register_pernet_operations(struct list_head *list, - int error; - LIST_HEAD(net_exit_list); - -- list_add_tail(&ops->list, list); -+ pax_list_add_tail((struct list_head *)&ops->list, list); - if (ops->init || (ops->id && ops->size)) { - for_each_net(net) { - error = ops_init(ops, net); -@@ -747,7 +747,7 @@ static int __register_pernet_operations(struct list_head *list, - - out_undo: - /* If I have an error cleanup all namespaces I initialized */ -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - ops_exit_list(ops, &net_exit_list); - ops_free_list(ops, &net_exit_list); - return error; -@@ -758,7 +758,7 @@ static void __unregister_pernet_operations(struct pernet_operations *ops) - struct net *net; - LIST_HEAD(net_exit_list); - -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - for_each_net(net) - list_add_tail(&net->exit_list, &net_exit_list); - ops_exit_list(ops, &net_exit_list); -@@ -892,7 +892,7 @@ int register_pernet_device(struct pernet_operations *ops) - mutex_lock(&net_mutex); - error = register_pernet_operations(&pernet_list, ops); - if (!error && (first_device == &pernet_list)) -- first_device = &ops->list; -+ first_device = (struct list_head *)&ops->list; - mutex_unlock(&net_mutex); - return error; - } -diff --git a/net/core/netpoll.c b/net/core/netpoll.c -index c126a87..10ad89d 100644 ---- a/net/core/netpoll.c -+++ b/net/core/netpoll.c -@@ -377,7 +377,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) - struct udphdr *udph; - struct iphdr *iph; - struct ethhdr *eth; -- static atomic_t ip_ident; -+ static atomic_unchecked_t ip_ident; - struct ipv6hdr *ip6h; - - udp_len = len + sizeof(*udph); -@@ -448,7 +448,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) - put_unaligned(0x45, (unsigned char *)iph); - iph->tos = 0; - put_unaligned(htons(ip_len), &(iph->tot_len)); -- iph->id = htons(atomic_inc_return(&ip_ident)); -+ iph->id = htons(atomic_inc_return_unchecked(&ip_ident)); - iph->frag_off = 0; - iph->ttl = 64; - iph->protocol = IPPROTO_UDP; -diff --git a/net/core/pktgen.c b/net/core/pktgen.c -index 508155b..fad080f 100644 ---- a/net/core/pktgen.c -+++ b/net/core/pktgen.c -@@ -3755,7 +3755,7 @@ static int __net_init pg_net_init(struct net *net) - pn->net = net; - INIT_LIST_HEAD(&pn->pktgen_threads); - pn->pktgen_exiting = false; -- pn->proc_dir = proc_mkdir(PG_PROC_DIR, pn->net->proc_net); -+ pn->proc_dir = proc_mkdir_restrict(PG_PROC_DIR, pn->net->proc_net); - if (!pn->proc_dir) { - pr_warn("cannot create /proc/net/%s\n", PG_PROC_DIR); - return -ENODEV; -diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c -index 8de3682..fcb8a5e 100644 ---- a/net/core/rtnetlink.c -+++ b/net/core/rtnetlink.c -@@ -61,7 +61,7 @@ struct rtnl_link { - rtnl_doit_func doit; - rtnl_dumpit_func dumpit; - rtnl_calcit_func calcit; --}; -+} __no_const; - - static DEFINE_MUTEX(rtnl_mutex); - -@@ -307,10 +307,13 @@ int __rtnl_link_register(struct rtnl_link_ops *ops) - * to use the ops for creating device. So do not - * fill up dellink as well. That disables rtnl_dellink. - */ -- if (ops->setup && !ops->dellink) -- ops->dellink = unregister_netdevice_queue; -+ if (ops->setup && !ops->dellink) { -+ pax_open_kernel(); -+ *(void **)&ops->dellink = unregister_netdevice_queue; -+ pax_close_kernel(); -+ } - -- list_add_tail(&ops->list, &link_ops); -+ pax_list_add_tail((struct list_head *)&ops->list, &link_ops); - return 0; - } - EXPORT_SYMBOL_GPL(__rtnl_link_register); -@@ -357,7 +360,7 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops) - for_each_net(net) { - __rtnl_kill_links(net, ops); - } -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - } - EXPORT_SYMBOL_GPL(__rtnl_link_unregister); - -@@ -1066,7 +1069,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, - (dev->ifalias && - nla_put_string(skb, IFLA_IFALIAS, dev->ifalias)) || - nla_put_u32(skb, IFLA_CARRIER_CHANGES, -- atomic_read(&dev->carrier_changes))) -+ atomic_read_unchecked(&dev->carrier_changes))) - goto nla_put_failure; - - if (1) { -@@ -1748,10 +1751,13 @@ static int do_setlink(const struct sk_buff *skb, - goto errout; - - nla_for_each_nested(attr, tb[IFLA_VF_PORTS], rem) { -- if (nla_type(attr) != IFLA_VF_PORT) -- continue; -- err = nla_parse_nested(port, IFLA_PORT_MAX, -- attr, ifla_port_policy); -+ if (nla_type(attr) != IFLA_VF_PORT || -+ nla_len(attr) < NLA_HDRLEN) { -+ err = -EINVAL; -+ goto errout; -+ } -+ err = nla_parse_nested(port, IFLA_PORT_MAX, attr, -+ ifla_port_policy); - if (err < 0) - goto errout; - if (!port[IFLA_PORT_VF]) { -diff --git a/net/core/scm.c b/net/core/scm.c -index 3b6899b..cf36238 100644 ---- a/net/core/scm.c -+++ b/net/core/scm.c -@@ -209,7 +209,7 @@ EXPORT_SYMBOL(__scm_send); - int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) - { - struct cmsghdr __user *cm -- = (__force struct cmsghdr __user *)msg->msg_control; -+ = (struct cmsghdr __force_user *)msg->msg_control; - struct cmsghdr cmhdr; - int cmlen = CMSG_LEN(len); - int err; -@@ -232,7 +232,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) - err = -EFAULT; - if (copy_to_user(cm, &cmhdr, sizeof cmhdr)) - goto out; -- if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr))) -+ if (copy_to_user((void __force_user *)CMSG_DATA((void __force_kernel *)cm), data, cmlen - sizeof(struct cmsghdr))) - goto out; - cmlen = CMSG_SPACE(len); - if (msg->msg_controllen < cmlen) -@@ -248,7 +248,7 @@ EXPORT_SYMBOL(put_cmsg); - void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) - { - struct cmsghdr __user *cm -- = (__force struct cmsghdr __user*)msg->msg_control; -+ = (struct cmsghdr __force_user *)msg->msg_control; - - int fdmax = 0; - int fdnum = scm->fp->count; -@@ -268,7 +268,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) - if (fdnum < fdmax) - fdmax = fdnum; - -- for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax; -+ for (i=0, cmfptr=(int __force_user *)CMSG_DATA((void __force_kernel *)cm); i<fdmax; - i++, cmfptr++) - { - struct socket *sock; -diff --git a/net/core/skbuff.c b/net/core/skbuff.c -index 41ec022..89b1df7 100644 ---- a/net/core/skbuff.c -+++ b/net/core/skbuff.c -@@ -340,7 +340,7 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size) - - if (skb && frag_size) { - skb->head_frag = 1; -- if (virt_to_head_page(data)->pfmemalloc) -+ if (page_is_pfmemalloc(virt_to_head_page(data))) - skb->pfmemalloc = 1; - } - return skb; -@@ -2139,7 +2139,7 @@ EXPORT_SYMBOL(__skb_checksum); - __wsum skb_checksum(const struct sk_buff *skb, int offset, - int len, __wsum csum) - { -- const struct skb_checksum_ops ops = { -+ static const struct skb_checksum_ops ops = { - .update = csum_partial_ext, - .combine = csum_block_add_ext, - }; -@@ -3335,12 +3335,14 @@ void __init skb_init(void) - skbuff_head_cache = kmem_cache_create("skbuff_head_cache", - sizeof(struct sk_buff), - 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC| -+ SLAB_NO_SANITIZE, - NULL); - skbuff_fclone_cache = kmem_cache_create("skbuff_fclone_cache", - sizeof(struct sk_buff_fclones), - 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC| -+ SLAB_NO_SANITIZE, - NULL); - } - -diff --git a/net/core/sock.c b/net/core/sock.c -index dc30dc5..8bb3ef3 100644 ---- a/net/core/sock.c -+++ b/net/core/sock.c -@@ -440,7 +440,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) - struct sk_buff_head *list = &sk->sk_receive_queue; - - if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - trace_sock_rcvqueue_full(sk, skb); - return -ENOMEM; - } -@@ -450,7 +450,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) - return err; - - if (!sk_rmem_schedule(sk, skb, skb->truesize)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - return -ENOBUFS; - } - -@@ -483,7 +483,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) - skb->dev = NULL; - - if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - if (nested) -@@ -501,7 +501,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) - mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); - } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) { - bh_unlock_sock(sk); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - -@@ -907,6 +907,7 @@ set_rcvbuf: - } - break; - -+#ifndef GRKERNSEC_BPF_HARDEN - case SO_ATTACH_BPF: - ret = -EINVAL; - if (optlen == sizeof(u32)) { -@@ -919,7 +920,7 @@ set_rcvbuf: - ret = sk_attach_bpf(ufd, sk); - } - break; -- -+#endif - case SO_DETACH_FILTER: - ret = sk_detach_filter(sk); - break; -@@ -1021,12 +1022,12 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - struct timeval tm; - } v; - -- int lv = sizeof(int); -- int len; -+ unsigned int lv = sizeof(int); -+ unsigned int len; - - if (get_user(len, optlen)) - return -EFAULT; -- if (len < 0) -+ if (len > INT_MAX) - return -EINVAL; - - memset(&v, 0, sizeof(v)); -@@ -1164,11 +1165,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - - case SO_PEERNAME: - { -- char address[128]; -+ char address[_K_SS_MAXSIZE]; - - if (sock->ops->getname(sock, (struct sockaddr *)address, &lv, 2)) - return -ENOTCONN; -- if (lv < len) -+ if (lv < len || sizeof address < len) - return -EINVAL; - if (copy_to_user(optval, address, len)) - return -EFAULT; -@@ -1256,7 +1257,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - - if (len > lv) - len = lv; -- if (copy_to_user(optval, &v, len)) -+ if (len > sizeof(v) || copy_to_user(optval, &v, len)) - return -EFAULT; - lenout: - if (put_user(len, optlen)) -@@ -2359,7 +2360,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) - */ - smp_wmb(); - atomic_set(&sk->sk_refcnt, 1); -- atomic_set(&sk->sk_drops, 0); -+ atomic_set_unchecked(&sk->sk_drops, 0); - } - EXPORT_SYMBOL(sock_init_data); - -@@ -2487,6 +2488,7 @@ void sock_enable_timestamp(struct sock *sk, int flag) - int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, - int level, int type) - { -+ struct sock_extended_err ee; - struct sock_exterr_skb *serr; - struct sk_buff *skb; - int copied, err; -@@ -2508,7 +2510,8 @@ int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, - sock_recv_timestamp(msg, sk, skb); - - serr = SKB_EXT_ERR(skb); -- put_cmsg(msg, level, type, sizeof(serr->ee), &serr->ee); -+ ee = serr->ee; -+ put_cmsg(msg, level, type, sizeof ee, &ee); - - msg->msg_flags |= MSG_ERRQUEUE; - err = copied; -diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c -index 74dddf8..7f4e77e 100644 ---- a/net/core/sock_diag.c -+++ b/net/core/sock_diag.c -@@ -9,7 +9,7 @@ - #include <linux/inet_diag.h> - #include <linux/sock_diag.h> - --static const struct sock_diag_handler *sock_diag_handlers[AF_MAX]; -+static const struct sock_diag_handler *sock_diag_handlers[AF_MAX] __read_only; - static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh); - static DEFINE_MUTEX(sock_diag_table_mutex); - -@@ -127,8 +127,11 @@ int sock_diag_register(const struct sock_diag_handler *hndl) - mutex_lock(&sock_diag_table_mutex); - if (sock_diag_handlers[hndl->family]) - err = -EBUSY; -- else -+ else { -+ pax_open_kernel(); - sock_diag_handlers[hndl->family] = hndl; -+ pax_close_kernel(); -+ } - mutex_unlock(&sock_diag_table_mutex); - - return err; -@@ -144,7 +147,9 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld) - - mutex_lock(&sock_diag_table_mutex); - BUG_ON(sock_diag_handlers[family] != hnld); -+ pax_open_kernel(); - sock_diag_handlers[family] = NULL; -+ pax_close_kernel(); - mutex_unlock(&sock_diag_table_mutex); - } - EXPORT_SYMBOL_GPL(sock_diag_unregister); -diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c -index 95b6139..3048623 100644 ---- a/net/core/sysctl_net_core.c -+++ b/net/core/sysctl_net_core.c -@@ -35,7 +35,7 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write, - { - unsigned int orig_size, size; - int ret, i; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &size, - .maxlen = sizeof(size), - .mode = table->mode -@@ -203,7 +203,7 @@ static int set_default_qdisc(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - char id[IFNAMSIZ]; -- struct ctl_table tbl = { -+ ctl_table_no_const tbl = { - .data = id, - .maxlen = IFNAMSIZ, - }; -@@ -221,7 +221,7 @@ static int set_default_qdisc(struct ctl_table *table, int write, - static int proc_do_rss_key(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - char buf[NETDEV_RSS_KEY_LEN * 3]; - - snprintf(buf, sizeof(buf), "%*phC", NETDEV_RSS_KEY_LEN, netdev_rss_key); -@@ -285,7 +285,7 @@ static struct ctl_table net_core_table[] = { - .mode = 0444, - .proc_handler = proc_do_rss_key, - }, --#ifdef CONFIG_BPF_JIT -+#if defined(CONFIG_BPF_JIT) && !defined(CONFIG_GRKERNSEC_BPF_HARDEN) - { - .procname = "bpf_jit_enable", - .data = &bpf_jit_enable, -@@ -409,13 +409,12 @@ static struct ctl_table netns_core_table[] = { - - static __net_init int sysctl_core_net_init(struct net *net) - { -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl = NULL; - - net->core.sysctl_somaxconn = SOMAXCONN; - -- tbl = netns_core_table; - if (!net_eq(net, &init_net)) { -- tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL); -+ tbl = kmemdup(netns_core_table, sizeof(netns_core_table), GFP_KERNEL); - if (tbl == NULL) - goto err_dup; - -@@ -425,17 +424,16 @@ static __net_init int sysctl_core_net_init(struct net *net) - if (net->user_ns != &init_user_ns) { - tbl[0].procname = NULL; - } -- } -- -- net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl); -+ net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl); -+ } else -+ net->core.sysctl_hdr = register_net_sysctl(net, "net/core", netns_core_table); - if (net->core.sysctl_hdr == NULL) - goto err_reg; - - return 0; - - err_reg: -- if (tbl != netns_core_table) -- kfree(tbl); -+ kfree(tbl); - err_dup: - return -ENOMEM; - } -@@ -450,7 +448,7 @@ static __net_exit void sysctl_core_net_exit(struct net *net) - kfree(tbl); - } - --static __net_initdata struct pernet_operations sysctl_core_ops = { -+static __net_initconst struct pernet_operations sysctl_core_ops = { - .init = sysctl_core_net_init, - .exit = sysctl_core_net_exit, - }; -diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c -index 754484b..4f4b894 100644 ---- a/net/decnet/af_decnet.c -+++ b/net/decnet/af_decnet.c -@@ -466,6 +466,7 @@ static struct proto dn_proto = { - .sysctl_rmem = sysctl_decnet_rmem, - .max_header = DN_MAX_NSP_DATA_HEADER + 64, - .obj_size = sizeof(struct dn_sock), -+ .slab_flags = SLAB_USERCOPY, - }; - - static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp) -diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c -index b2c26b0..41f803e 100644 ---- a/net/decnet/dn_dev.c -+++ b/net/decnet/dn_dev.c -@@ -201,7 +201,7 @@ static struct dn_dev_sysctl_table { - .extra1 = &min_t3, - .extra2 = &max_t3 - }, -- {0} -+ { } - }, - }; - -diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c -index 5325b54..a0d4d69 100644 ---- a/net/decnet/sysctl_net_decnet.c -+++ b/net/decnet/sysctl_net_decnet.c -@@ -174,7 +174,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write, - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, addr, len)) -+ if (len > sizeof addr || copy_to_user(buffer, addr, len)) - return -EFAULT; - - *lenp = len; -@@ -237,7 +237,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write, - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, devname, len)) -+ if (len > sizeof devname || copy_to_user(buffer, devname, len)) - return -EFAULT; - - *lenp = len; -diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c -index 392e29a..da953a2 100644 ---- a/net/dsa/dsa.c -+++ b/net/dsa/dsa.c -@@ -851,7 +851,7 @@ static struct packet_type dsa_pack_type __read_mostly = { - .func = dsa_switch_rcv, - }; - --static struct notifier_block dsa_netdevice_nb __read_mostly = { -+static struct notifier_block dsa_netdevice_nb = { - .notifier_call = dsa_slave_netdevice_event, - }; - -diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c -index a2c7e4c..3dc9f67 100644 ---- a/net/hsr/hsr_netlink.c -+++ b/net/hsr/hsr_netlink.c -@@ -102,7 +102,7 @@ nla_put_failure: - return -EMSGSIZE; - } - --static struct rtnl_link_ops hsr_link_ops __read_mostly = { -+static struct rtnl_link_ops hsr_link_ops = { - .kind = "hsr", - .maxtype = IFLA_HSR_MAX, - .policy = hsr_policy, -diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c -index 0ae5822..3fe3627 100644 ---- a/net/ieee802154/6lowpan/core.c -+++ b/net/ieee802154/6lowpan/core.c -@@ -219,7 +219,7 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head) - dev_put(real_dev); - } - --static struct rtnl_link_ops lowpan_link_ops __read_mostly = { -+static struct rtnl_link_ops lowpan_link_ops = { - .kind = "lowpan", - .priv_size = sizeof(struct lowpan_dev_info), - .setup = lowpan_setup, -diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c -index f46e4d1..dcb7f86 100644 ---- a/net/ieee802154/6lowpan/reassembly.c -+++ b/net/ieee802154/6lowpan/reassembly.c -@@ -207,7 +207,7 @@ found: - } else { - fq->q.meat += skb->len; - } -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) && - fq->q.meat == fq->q.len) { -@@ -287,7 +287,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, - clone->data_len = clone->len; - head->data_len -= clone->len; - head->len -= clone->len; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - WARN_ON(head == NULL); -@@ -310,7 +310,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&fq->q, sum_truesize); -+ sub_frag_mem_limit(fq->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -435,14 +435,13 @@ static struct ctl_table lowpan_frags_ctl_table[] = { - - static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - struct netns_ieee802154_lowpan *ieee802154_lowpan = - net_ieee802154_lowpan(net); - -- table = lowpan_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(lowpan_frags_ns_ctl_table), -+ table = kmemdup(lowpan_frags_ns_ctl_table, sizeof(lowpan_frags_ns_ctl_table), - GFP_KERNEL); - if (table == NULL) - goto err_alloc; -@@ -457,9 +456,9 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -- -- hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table); -+ hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", lowpan_frags_ns_ctl_table); - if (hdr == NULL) - goto err_reg; - -@@ -467,8 +466,7 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c -index a5aa54e..3bd5f9f 100644 ---- a/net/ipv4/af_inet.c -+++ b/net/ipv4/af_inet.c -@@ -1391,7 +1391,7 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len) - return ip_recv_error(sk, msg, len, addr_len); - #if IS_ENABLED(CONFIG_IPV6) - if (sk->sk_family == AF_INET6) -- return pingv6_ops.ipv6_recv_error(sk, msg, len, addr_len); -+ return pingv6_ops->ipv6_recv_error(sk, msg, len, addr_len); - #endif - return -EINVAL; - } -diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c -index 419d23c..2084616 100644 ---- a/net/ipv4/devinet.c -+++ b/net/ipv4/devinet.c -@@ -69,7 +69,8 @@ - - static struct ipv4_devconf ipv4_devconf = { - .data = { -- [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, -+ [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0, -+ [IPV4_DEVCONF_RP_FILTER - 1] = 1, - [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, -@@ -80,7 +81,8 @@ static struct ipv4_devconf ipv4_devconf = { - - static struct ipv4_devconf ipv4_devconf_dflt = { - .data = { -- [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, -+ [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0, -+ [IPV4_DEVCONF_RP_FILTER - 1] = 1, - [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, -@@ -1580,7 +1582,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -1899,7 +1901,7 @@ static int inet_netconf_dump_devconf(struct sk_buff *skb, - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -2134,7 +2136,7 @@ static int ipv4_doint_and_flush(struct ctl_table *ctl, int write, - #define DEVINET_SYSCTL_FLUSHING_ENTRY(attr, name) \ - DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush) - --static struct devinet_sysctl_table { -+static const struct devinet_sysctl_table { - struct ctl_table_header *sysctl_header; - struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX]; - } devinet_sysctl = { -@@ -2266,7 +2268,7 @@ static __net_init int devinet_init_net(struct net *net) - int err; - struct ipv4_devconf *all, *dflt; - #ifdef CONFIG_SYSCTL -- struct ctl_table *tbl = ctl_forward_entry; -+ ctl_table_no_const *tbl = NULL; - struct ctl_table_header *forw_hdr; - #endif - -@@ -2284,7 +2286,7 @@ static __net_init int devinet_init_net(struct net *net) - goto err_alloc_dflt; - - #ifdef CONFIG_SYSCTL -- tbl = kmemdup(tbl, sizeof(ctl_forward_entry), GFP_KERNEL); -+ tbl = kmemdup(ctl_forward_entry, sizeof(ctl_forward_entry), GFP_KERNEL); - if (!tbl) - goto err_alloc_ctl; - -@@ -2304,7 +2306,10 @@ static __net_init int devinet_init_net(struct net *net) - goto err_reg_dflt; - - err = -ENOMEM; -- forw_hdr = register_net_sysctl(net, "net/ipv4", tbl); -+ if (!net_eq(net, &init_net)) -+ forw_hdr = register_net_sysctl(net, "net/ipv4", tbl); -+ else -+ forw_hdr = register_net_sysctl(net, "net/ipv4", ctl_forward_entry); - if (!forw_hdr) - goto err_reg_ctl; - net->ipv4.forw_hdr = forw_hdr; -@@ -2320,8 +2325,7 @@ err_reg_ctl: - err_reg_dflt: - __devinet_sysctl_unregister(all); - err_reg_all: -- if (tbl != ctl_forward_entry) -- kfree(tbl); -+ kfree(tbl); - err_alloc_ctl: - #endif - if (dflt != &ipv4_devconf_dflt) -diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c -index 872494e..8e0b4d1 100644 ---- a/net/ipv4/fib_frontend.c -+++ b/net/ipv4/fib_frontend.c -@@ -1083,12 +1083,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event, - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(dev_net(dev)); - break; - case NETDEV_DOWN: - fib_del_ifaddr(ifa, NULL); -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - if (!ifa->ifa_dev->ifa_list) { - /* Last address was deleted from this interface. - * Disable IP. -@@ -1126,7 +1126,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(net); - break; - case NETDEV_DOWN: -diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c -index 8d695b6..752d427a 100644 ---- a/net/ipv4/fib_semantics.c -+++ b/net/ipv4/fib_semantics.c -@@ -752,7 +752,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh) - nh->nh_saddr = inet_select_addr(nh->nh_dev, - nh->nh_gw, - nh->nh_parent->fib_scope); -- nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid); -+ nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid); - - return nh->nh_saddr; - } -diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c -index 09b62e1..2871350 100644 ---- a/net/ipv4/fib_trie.c -+++ b/net/ipv4/fib_trie.c -@@ -2457,7 +2457,7 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, - key = l->key + 1; - iter->pos++; - -- if (pos-- <= 0) -+ if (--pos <= 0) - break; - - l = NULL; -diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c -index 5e346a0..d0a7c03 100644 ---- a/net/ipv4/inet_fragment.c -+++ b/net/ipv4/inet_fragment.c -@@ -131,34 +131,22 @@ inet_evict_bucket(struct inet_frags *f, struct inet_frag_bucket *hb) - unsigned int evicted = 0; - HLIST_HEAD(expired); - --evict_again: - spin_lock(&hb->chain_lock); - - hlist_for_each_entry_safe(fq, n, &hb->chain, list) { - if (!inet_fragq_should_evict(fq)) - continue; - -- if (!del_timer(&fq->timer)) { -- /* q expiring right now thus increment its refcount so -- * it won't be freed under us and wait until the timer -- * has finished executing then destroy it -- */ -- atomic_inc(&fq->refcnt); -- spin_unlock(&hb->chain_lock); -- del_timer_sync(&fq->timer); -- inet_frag_put(fq, f); -- goto evict_again; -- } -+ if (!del_timer(&fq->timer)) -+ continue; - -- fq->flags |= INET_FRAG_EVICTED; -- hlist_del(&fq->list); -- hlist_add_head(&fq->list, &expired); -+ hlist_add_head(&fq->list_evictor, &expired); - ++evicted; - } - - spin_unlock(&hb->chain_lock); - -- hlist_for_each_entry_safe(fq, n, &expired, list) -+ hlist_for_each_entry_safe(fq, n, &expired, list_evictor) - f->frag_expire((unsigned long) fq); - - return evicted; -@@ -240,19 +228,21 @@ void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f) - int i; - - nf->low_thresh = 0; -- local_bh_disable(); - - evict_again: -+ local_bh_disable(); - seq = read_seqbegin(&f->rnd_seqlock); - - for (i = 0; i < INETFRAGS_HASHSZ ; i++) - inet_evict_bucket(f, &f->hash[i]); - -- if (read_seqretry(&f->rnd_seqlock, seq)) -+ local_bh_enable(); -+ cond_resched(); -+ -+ if (read_seqretry(&f->rnd_seqlock, seq) || -+ percpu_counter_sum(&nf->mem)) - goto evict_again; - -- local_bh_enable(); -- - percpu_counter_destroy(&nf->mem); - } - EXPORT_SYMBOL(inet_frags_exit_net); -@@ -284,8 +274,8 @@ static inline void fq_unlink(struct inet_frag_queue *fq, struct inet_frags *f) - struct inet_frag_bucket *hb; - - hb = get_frag_bucket_locked(fq, f); -- if (!(fq->flags & INET_FRAG_EVICTED)) -- hlist_del(&fq->list); -+ hlist_del(&fq->list); -+ fq->flags |= INET_FRAG_COMPLETE; - spin_unlock(&hb->chain_lock); - } - -@@ -297,7 +287,6 @@ void inet_frag_kill(struct inet_frag_queue *fq, struct inet_frags *f) - if (!(fq->flags & INET_FRAG_COMPLETE)) { - fq_unlink(fq, f); - atomic_dec(&fq->refcnt); -- fq->flags |= INET_FRAG_COMPLETE; - } - } - EXPORT_SYMBOL(inet_frag_kill); -@@ -330,11 +319,12 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f) - fp = xp; - } - sum = sum_truesize + f->qsize; -- sub_frag_mem_limit(q, sum); - - if (f->destructor) - f->destructor(q); - kmem_cache_free(f->frags_cachep, q); -+ -+ sub_frag_mem_limit(nf, sum); - } - EXPORT_SYMBOL(inet_frag_destroy); - -@@ -390,7 +380,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf, - - q->net = nf; - f->constructor(q, arg); -- add_frag_mem_limit(q, f->qsize); -+ add_frag_mem_limit(nf, f->qsize); - - setup_timer(&q->timer, f->frag_expire, (unsigned long)q); - spin_lock_init(&q->lock); -diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c -index c6fb80b..8705495 100644 ---- a/net/ipv4/inet_hashtables.c -+++ b/net/ipv4/inet_hashtables.c -@@ -18,6 +18,7 @@ - #include <linux/sched.h> - #include <linux/slab.h> - #include <linux/wait.h> -+#include <linux/security.h> - - #include <net/inet_connection_sock.h> - #include <net/inet_hashtables.h> -@@ -53,6 +54,8 @@ u32 sk_ehashfn(const struct sock *sk) - sk->sk_daddr, sk->sk_dport); - } - -+extern void gr_update_task_in_ip_table(const struct inet_sock *inet); -+ - /* - * Allocate and initialize a new local port bind bucket. - * The bindhash mutex for snum's hash chain must be held here. -@@ -564,6 +567,8 @@ ok: - twrefcnt += inet_twsk_bind_unhash(tw, hinfo); - spin_unlock(&head->lock); - -+ gr_update_task_in_ip_table(inet_sk(sk)); -+ - if (tw) { - inet_twsk_deschedule(tw); - while (twrefcnt) { -diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c -index 241afd7..31b95d5 100644 ---- a/net/ipv4/inetpeer.c -+++ b/net/ipv4/inetpeer.c -@@ -461,7 +461,7 @@ relookup: - if (p) { - p->daddr = *daddr; - atomic_set(&p->refcnt, 1); -- atomic_set(&p->rid, 0); -+ atomic_set_unchecked(&p->rid, 0); - p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW; - p->rate_tokens = 0; - /* 60*HZ is arbitrary, but chosen enough high so that the first -diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c -index cc1da6d..593fc73 100644 ---- a/net/ipv4/ip_fragment.c -+++ b/net/ipv4/ip_fragment.c -@@ -192,7 +192,7 @@ static void ip_expire(unsigned long arg) - ipq_kill(qp); - IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS); - -- if (!(qp->q.flags & INET_FRAG_EVICTED)) { -+ if (!inet_frag_evicting(&qp->q)) { - struct sk_buff *head = qp->q.fragments; - const struct iphdr *iph; - int err; -@@ -268,7 +268,7 @@ static int ip_frag_too_far(struct ipq *qp) - return 0; - - start = qp->rid; -- end = atomic_inc_return(&peer->rid); -+ end = atomic_inc_return_unchecked(&peer->rid); - qp->rid = end; - - rc = qp->q.fragments && (end - start) > max; -@@ -301,7 +301,7 @@ static int ip_frag_reinit(struct ipq *qp) - kfree_skb(fp); - fp = xp; - } while (fp); -- sub_frag_mem_limit(&qp->q, sum_truesize); -+ sub_frag_mem_limit(qp->q.net, sum_truesize); - - qp->q.flags = 0; - qp->q.len = 0; -@@ -446,7 +446,7 @@ found: - qp->q.fragments = next; - - qp->q.meat -= free_it->len; -- sub_frag_mem_limit(&qp->q, free_it->truesize); -+ sub_frag_mem_limit(qp->q.net, free_it->truesize); - kfree_skb(free_it); - } - } -@@ -470,7 +470,7 @@ found: - qp->q.stamp = skb->tstamp; - qp->q.meat += skb->len; - qp->ecn |= ecn; -- add_frag_mem_limit(&qp->q, skb->truesize); -+ add_frag_mem_limit(qp->q.net, skb->truesize); - if (offset == 0) - qp->q.flags |= INET_FRAG_FIRST_IN; - -@@ -573,7 +573,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, - head->len -= clone->len; - clone->csum = 0; - clone->ip_summed = head->ip_summed; -- add_frag_mem_limit(&qp->q, clone->truesize); -+ add_frag_mem_limit(qp->q.net, clone->truesize); - } - - skb_push(head, head->data - skb_network_header(head)); -@@ -601,7 +601,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&qp->q, sum_truesize); -+ sub_frag_mem_limit(qp->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -750,12 +750,11 @@ static struct ctl_table ip4_frags_ctl_table[] = { - - static int __net_init ip4_frags_ns_ctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = ip4_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL); -+ table = kmemdup(ip4_frags_ns_ctl_table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -769,9 +768,10 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -+ hdr = register_net_sysctl(net, "net/ipv4", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv4", ip4_frags_ns_ctl_table); - -- hdr = register_net_sysctl(net, "net/ipv4", table); - if (!hdr) - goto err_reg; - -@@ -779,8 +779,7 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c -index 5fd7064..d13d75f 100644 ---- a/net/ipv4/ip_gre.c -+++ b/net/ipv4/ip_gre.c -@@ -115,7 +115,7 @@ static bool log_ecn_error = true; - module_param(log_ecn_error, bool, 0644); - MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); - --static struct rtnl_link_ops ipgre_link_ops __read_mostly; -+static struct rtnl_link_ops ipgre_link_ops; - static int ipgre_tunnel_init(struct net_device *dev); - - static int ipgre_net_id __read_mostly; -@@ -819,7 +819,7 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = { - [IFLA_GRE_ENCAP_DPORT] = { .type = NLA_U16 }, - }; - --static struct rtnl_link_ops ipgre_link_ops __read_mostly = { -+static struct rtnl_link_ops ipgre_link_ops = { - .kind = "gre", - .maxtype = IFLA_GRE_MAX, - .policy = ipgre_policy, -@@ -834,7 +834,7 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = { - .get_link_net = ip_tunnel_get_link_net, - }; - --static struct rtnl_link_ops ipgre_tap_ops __read_mostly = { -+static struct rtnl_link_ops ipgre_tap_ops = { - .kind = "gretap", - .maxtype = IFLA_GRE_MAX, - .policy = ipgre_policy, -diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c -index 2db4c87..4db9282 100644 ---- a/net/ipv4/ip_input.c -+++ b/net/ipv4/ip_input.c -@@ -147,6 +147,10 @@ - #include <linux/mroute.h> - #include <linux/netlink.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - /* - * Process Router Attention IP option (RFC 2113) - */ -@@ -223,6 +227,9 @@ static int ip_local_deliver_finish(struct sock *sk, struct sk_buff *skb) - if (!raw) { - if (xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { - IP_INC_STATS_BH(net, IPSTATS_MIB_INUNKNOWNPROTOS); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmp_send(skb, ICMP_DEST_UNREACH, - ICMP_PROT_UNREACH, 0); - } -diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c -index 6ddde89..653e224 100644 ---- a/net/ipv4/ip_sockglue.c -+++ b/net/ipv4/ip_sockglue.c -@@ -1291,7 +1291,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname, - len = min_t(unsigned int, len, opt->optlen); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, opt->__data, len)) -+ if ((len > (sizeof(optbuf) - sizeof(struct ip_options))) || -+ copy_to_user(optval, opt->__data, len)) - return -EFAULT; - return 0; - } -@@ -1425,7 +1426,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname, - if (sk->sk_type != SOCK_STREAM) - return -ENOPROTOOPT; - -- msg.msg_control = (__force void *) optval; -+ msg.msg_control = (__force_kernel void *) optval; - msg.msg_controllen = len; - msg.msg_flags = flags; - -diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c -index 0c15208..a3a76c5 100644 ---- a/net/ipv4/ip_vti.c -+++ b/net/ipv4/ip_vti.c -@@ -45,7 +45,7 @@ - #include <net/net_namespace.h> - #include <net/netns/generic.h> - --static struct rtnl_link_ops vti_link_ops __read_mostly; -+static struct rtnl_link_ops vti_link_ops; - - static int vti_net_id __read_mostly; - static int vti_tunnel_init(struct net_device *dev); -@@ -525,7 +525,7 @@ static const struct nla_policy vti_policy[IFLA_VTI_MAX + 1] = { - [IFLA_VTI_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) }, - }; - --static struct rtnl_link_ops vti_link_ops __read_mostly = { -+static struct rtnl_link_ops vti_link_ops = { - .kind = "vti", - .maxtype = IFLA_VTI_MAX, - .policy = vti_policy, -diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c -index 8e7328c..9bd7ed3 100644 ---- a/net/ipv4/ipconfig.c -+++ b/net/ipv4/ipconfig.c -@@ -333,7 +333,7 @@ static int __init ic_devinet_ioctl(unsigned int cmd, struct ifreq *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg); -+ res = devinet_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg); - set_fs(oldfs); - return res; - } -@@ -344,7 +344,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg); -+ res = dev_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg); - set_fs(oldfs); - return res; - } -@@ -355,7 +355,7 @@ static int __init ic_route_ioctl(unsigned int cmd, struct rtentry *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = ip_rt_ioctl(&init_net, cmd, (void __user *) arg); -+ res = ip_rt_ioctl(&init_net, cmd, (void __force_user *) arg); - set_fs(oldfs); - return res; - } -diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c -index ff96396..2e928ba 100644 ---- a/net/ipv4/ipip.c -+++ b/net/ipv4/ipip.c -@@ -124,7 +124,7 @@ MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); - static int ipip_net_id __read_mostly; - - static int ipip_tunnel_init(struct net_device *dev); --static struct rtnl_link_ops ipip_link_ops __read_mostly; -+static struct rtnl_link_ops ipip_link_ops; - - static int ipip_err(struct sk_buff *skb, u32 info) - { -@@ -487,7 +487,7 @@ static const struct nla_policy ipip_policy[IFLA_IPTUN_MAX + 1] = { - [IFLA_IPTUN_ENCAP_DPORT] = { .type = NLA_U16 }, - }; - --static struct rtnl_link_ops ipip_link_ops __read_mostly = { -+static struct rtnl_link_ops ipip_link_ops = { - .kind = "ipip", - .maxtype = IFLA_IPTUN_MAX, - .policy = ipip_policy, -diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c -index a612007..99ac4bc5 100644 ---- a/net/ipv4/netfilter/arp_tables.c -+++ b/net/ipv4/netfilter/arp_tables.c -@@ -884,14 +884,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct arpt_getinfo)) { -- duprintf("length %u != %Zu\n", *len, -+ if (len != sizeof(struct arpt_getinfo)) { -+ duprintf("length %u != %Zu\n", len, - sizeof(struct arpt_getinfo)); - return -EINVAL; - } -@@ -928,7 +928,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1695,7 +1695,7 @@ static int compat_do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, - - switch (cmd) { - case ARPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case ARPT_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -1740,7 +1740,7 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len - - switch (cmd) { - case ARPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case ARPT_SO_GET_ENTRIES: -diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c -index 2d0e265..67e5b8d 100644 ---- a/net/ipv4/netfilter/ip_tables.c -+++ b/net/ipv4/netfilter/ip_tables.c -@@ -1072,14 +1072,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct ipt_getinfo)) { -- duprintf("length %u != %zu\n", *len, -+ if (len != sizeof(struct ipt_getinfo)) { -+ duprintf("length %u != %zu\n", len, - sizeof(struct ipt_getinfo)); - return -EINVAL; - } -@@ -1116,7 +1116,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1978,7 +1978,7 @@ compat_do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case IPT_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -2025,7 +2025,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case IPT_SO_GET_ENTRIES: -diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c -index 771ab3d..5b99b18 100644 ---- a/net/ipv4/netfilter/ipt_CLUSTERIP.c -+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c -@@ -725,7 +725,7 @@ static int clusterip_net_init(struct net *net) - spin_lock_init(&cn->lock); - - #ifdef CONFIG_PROC_FS -- cn->procdir = proc_mkdir("ipt_CLUSTERIP", net->proc_net); -+ cn->procdir = proc_mkdir_restrict("ipt_CLUSTERIP", net->proc_net); - if (!cn->procdir) { - pr_err("Unable to proc dir entry\n"); - return -ENOMEM; -diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c -index 05ff44b..da00000 100644 ---- a/net/ipv4/ping.c -+++ b/net/ipv4/ping.c -@@ -59,7 +59,7 @@ struct ping_table { - }; - - static struct ping_table ping_table; --struct pingv6_ops pingv6_ops; -+struct pingv6_ops *pingv6_ops; - EXPORT_SYMBOL_GPL(pingv6_ops); - - static u16 ping_port_rover; -@@ -359,7 +359,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, - return -ENODEV; - } - } -- has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev, -+ has_addr = pingv6_ops->ipv6_chk_addr(net, &addr->sin6_addr, dev, - scoped); - rcu_read_unlock(); - -@@ -567,7 +567,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info) - } - #if IS_ENABLED(CONFIG_IPV6) - } else if (skb->protocol == htons(ETH_P_IPV6)) { -- harderr = pingv6_ops.icmpv6_err_convert(type, code, &err); -+ harderr = pingv6_ops->icmpv6_err_convert(type, code, &err); - #endif - } - -@@ -585,7 +585,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info) - info, (u8 *)icmph); - #if IS_ENABLED(CONFIG_IPV6) - } else if (family == AF_INET6) { -- pingv6_ops.ipv6_icmp_error(sk, skb, err, 0, -+ pingv6_ops->ipv6_icmp_error(sk, skb, err, 0, - info, (u8 *)icmph); - #endif - } -@@ -918,10 +918,10 @@ int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock, - } - - if (inet6_sk(sk)->rxopt.all) -- pingv6_ops.ip6_datagram_recv_common_ctl(sk, msg, skb); -+ pingv6_ops->ip6_datagram_recv_common_ctl(sk, msg, skb); - if (skb->protocol == htons(ETH_P_IPV6) && - inet6_sk(sk)->rxopt.all) -- pingv6_ops.ip6_datagram_recv_specific_ctl(sk, msg, skb); -+ pingv6_ops->ip6_datagram_recv_specific_ctl(sk, msg, skb); - else if (skb->protocol == htons(ETH_P_IP) && isk->cmsg_flags) - ip_cmsg_recv(msg, skb); - #endif -@@ -1116,7 +1116,7 @@ static void ping_v4_format_sock(struct sock *sp, struct seq_file *f, - from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)), - 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } - - static int ping_v4_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c -index 561cd4b..a32a155 100644 ---- a/net/ipv4/raw.c -+++ b/net/ipv4/raw.c -@@ -323,7 +323,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb) - int raw_rcv(struct sock *sk, struct sk_buff *skb) - { - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -771,16 +771,20 @@ static int raw_init(struct sock *sk) - - static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen) - { -+ struct icmp_filter filter; -+ - if (optlen > sizeof(struct icmp_filter)) - optlen = sizeof(struct icmp_filter); -- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ raw_sk(sk)->filter = filter; - return 0; - } - - static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen) - { - int len, ret = -EFAULT; -+ struct icmp_filter filter; - - if (get_user(len, optlen)) - goto out; -@@ -790,8 +794,8 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o - if (len > sizeof(struct icmp_filter)) - len = sizeof(struct icmp_filter); - ret = -EFAULT; -- if (put_user(len, optlen) || -- copy_to_user(optval, &raw_sk(sk)->filter, len)) -+ filter = raw_sk(sk)->filter; -+ if (put_user(len, optlen) || len > sizeof filter || copy_to_user(optval, &filter, len)) - goto out; - ret = 0; - out: return ret; -@@ -1020,7 +1024,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) - 0, 0L, 0, - from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)), - 0, sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops)); -+ atomic_read(&sp->sk_refcnt), sp, atomic_read_unchecked(&sp->sk_drops)); - } - - static int raw_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/route.c b/net/ipv4/route.c -index f45f2a1..e7d47a3 100644 ---- a/net/ipv4/route.c -+++ b/net/ipv4/route.c -@@ -227,7 +227,7 @@ static const struct seq_operations rt_cache_seq_ops = { - - static int rt_cache_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &rt_cache_seq_ops); -+ return seq_open_restrict(file, &rt_cache_seq_ops); - } - - static const struct file_operations rt_cache_seq_fops = { -@@ -318,7 +318,7 @@ static const struct seq_operations rt_cpu_seq_ops = { - - static int rt_cpu_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &rt_cpu_seq_ops); -+ return seq_open_restrict(file, &rt_cpu_seq_ops); - } - - static const struct file_operations rt_cpu_seq_fops = { -@@ -356,7 +356,7 @@ static int rt_acct_proc_show(struct seq_file *m, void *v) - - static int rt_acct_proc_open(struct inode *inode, struct file *file) - { -- return single_open(file, rt_acct_proc_show, NULL); -+ return single_open_restrict(file, rt_acct_proc_show, NULL); - } - - static const struct file_operations rt_acct_proc_fops = { -@@ -458,11 +458,11 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, - - #define IP_IDENTS_SZ 2048u - struct ip_ident_bucket { -- atomic_t id; -+ atomic_unchecked_t id; - u32 stamp32; - }; - --static struct ip_ident_bucket *ip_idents __read_mostly; -+static struct ip_ident_bucket ip_idents[IP_IDENTS_SZ] __read_mostly; - - /* In order to protect privacy, we add a perturbation to identifiers - * if one generator is seldom used. This makes hard for an attacker -@@ -478,7 +478,7 @@ u32 ip_idents_reserve(u32 hash, int segs) - if (old != now && cmpxchg(&bucket->stamp32, old, now) == old) - delta = prandom_u32_max(now - old); - -- return atomic_add_return(segs + delta, &bucket->id) - segs; -+ return atomic_add_return_unchecked(segs + delta, &bucket->id) - segs; - } - EXPORT_SYMBOL(ip_idents_reserve); - -@@ -2641,34 +2641,34 @@ static struct ctl_table ipv4_route_flush_table[] = { - .maxlen = sizeof(int), - .mode = 0200, - .proc_handler = ipv4_sysctl_rtcache_flush, -+ .extra1 = &init_net, - }, - { }, - }; - - static __net_init int sysctl_route_net_init(struct net *net) - { -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl = NULL; - -- tbl = ipv4_route_flush_table; - if (!net_eq(net, &init_net)) { -- tbl = kmemdup(tbl, sizeof(ipv4_route_flush_table), GFP_KERNEL); -+ tbl = kmemdup(ipv4_route_flush_table, sizeof(ipv4_route_flush_table), GFP_KERNEL); - if (!tbl) - goto err_dup; - - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - tbl[0].procname = NULL; -- } -- tbl[0].extra1 = net; -+ tbl[0].extra1 = net; -+ net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl); -+ } else -+ net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", ipv4_route_flush_table); - -- net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl); - if (!net->ipv4.route_hdr) - goto err_reg; - return 0; - - err_reg: -- if (tbl != ipv4_route_flush_table) -- kfree(tbl); -+ kfree(tbl); - err_dup: - return -ENOMEM; - } -@@ -2691,8 +2691,8 @@ static __net_initdata struct pernet_operations sysctl_route_ops = { - - static __net_init int rt_genid_init(struct net *net) - { -- atomic_set(&net->ipv4.rt_genid, 0); -- atomic_set(&net->fnhe_genid, 0); -+ atomic_set_unchecked(&net->ipv4.rt_genid, 0); -+ atomic_set_unchecked(&net->fnhe_genid, 0); - get_random_bytes(&net->ipv4.dev_addr_genid, - sizeof(net->ipv4.dev_addr_genid)); - return 0; -@@ -2736,11 +2736,7 @@ int __init ip_rt_init(void) - int rc = 0; - int cpu; - -- ip_idents = kmalloc(IP_IDENTS_SZ * sizeof(*ip_idents), GFP_KERNEL); -- if (!ip_idents) -- panic("IP: failed to allocate ip_idents\n"); -- -- prandom_bytes(ip_idents, IP_IDENTS_SZ * sizeof(*ip_idents)); -+ prandom_bytes(ip_idents, sizeof(ip_idents)); - - for_each_possible_cpu(cpu) { - struct uncached_list *ul = &per_cpu(rt_uncached_list, cpu); -diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c -index c3852a7..7bdbde7 100644 ---- a/net/ipv4/sysctl_net_ipv4.c -+++ b/net/ipv4/sysctl_net_ipv4.c -@@ -60,7 +60,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write, - container_of(table->data, struct net, ipv4.ip_local_ports.range); - int ret; - int range[2]; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &range, - .maxlen = sizeof(range), - .mode = table->mode, -@@ -118,7 +118,7 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write, - int ret; - gid_t urange[2]; - kgid_t low, high; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &urange, - .maxlen = sizeof(urange), - .mode = table->mode, -@@ -149,7 +149,7 @@ static int proc_tcp_congestion_control(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - char val[TCP_CA_NAME_MAX]; -- struct ctl_table tbl = { -+ ctl_table_no_const tbl = { - .data = val, - .maxlen = TCP_CA_NAME_MAX, - }; -@@ -168,7 +168,7 @@ static int proc_tcp_available_congestion_control(struct ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, }; -+ ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX, }; - int ret; - - tbl.data = kmalloc(tbl.maxlen, GFP_USER); -@@ -185,7 +185,7 @@ static int proc_allowed_congestion_control(struct ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX }; -+ ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX }; - int ret; - - tbl.data = kmalloc(tbl.maxlen, GFP_USER); -@@ -204,7 +204,7 @@ static int proc_tcp_fastopen_key(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) }; -+ ctl_table_no_const tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) }; - struct tcp_fastopen_context *ctxt; - int ret; - u32 user_key[4]; /* 16 bytes, matching TCP_FASTOPEN_KEY_LENGTH */ -@@ -902,13 +902,12 @@ static struct ctl_table ipv4_net_table[] = { - - static __net_init int ipv4_sysctl_init_net(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - -- table = ipv4_net_table; - if (!net_eq(net, &init_net)) { - int i; - -- table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL); -+ table = kmemdup(ipv4_net_table, sizeof(ipv4_net_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -917,7 +916,10 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) - table[i].data += (void *)net - (void *)&init_net; - } - -- net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table); -+ if (!net_eq(net, &init_net)) -+ net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table); -+ else -+ net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", ipv4_net_table); - if (!net->ipv4.ipv4_hdr) - goto err_reg; - -diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c -index c9ab964..607d9f7 100644 ---- a/net/ipv4/tcp_input.c -+++ b/net/ipv4/tcp_input.c -@@ -767,7 +767,7 @@ static void tcp_update_pacing_rate(struct sock *sk) - * without any lock. We want to make sure compiler wont store - * intermediate values in this location. - */ -- ACCESS_ONCE(sk->sk_pacing_rate) = min_t(u64, rate, -+ ACCESS_ONCE_RW(sk->sk_pacing_rate) = min_t(u64, rate, - sk->sk_max_pacing_rate); - } - -@@ -4610,7 +4610,7 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb, - * simplifies code) - */ - static void --tcp_collapse(struct sock *sk, struct sk_buff_head *list, -+__intentional_overflow(5,6) tcp_collapse(struct sock *sk, struct sk_buff_head *list, - struct sk_buff *head, struct sk_buff *tail, - u32 start, u32 end) - { -@@ -5605,6 +5605,7 @@ discard: - tcp_paws_reject(&tp->rx_opt, 0)) - goto discard_and_undo; - -+#ifndef CONFIG_GRKERNSEC_NO_SIMULT_CONNECT - if (th->syn) { - /* We see SYN without ACK. It is attempt of - * simultaneous connect with crossed SYNs. -@@ -5655,6 +5656,7 @@ discard: - goto discard; - #endif - } -+#endif - /* "fifth, if neither of the SYN or RST bits is set then - * drop the segment and return." - */ -@@ -5701,7 +5703,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, - goto discard; - - if (th->syn) { -- if (th->fin) -+ if (th->fin || th->urg || th->psh) - goto discard; - if (icsk->icsk_af_ops->conn_request(sk, skb) < 0) - return 1; -diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c -index fc1c658..4de4e33 100644 ---- a/net/ipv4/tcp_ipv4.c -+++ b/net/ipv4/tcp_ipv4.c -@@ -89,6 +89,10 @@ int sysctl_tcp_tw_reuse __read_mostly; - int sysctl_tcp_low_latency __read_mostly; - EXPORT_SYMBOL(sysctl_tcp_low_latency); - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - #ifdef CONFIG_TCP_MD5SIG - static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key, - __be32 daddr, __be32 saddr, const struct tcphdr *th); -@@ -1348,7 +1352,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) - req = inet_csk_search_req(sk, th->source, iph->saddr, iph->daddr); - if (req) { - nsk = tcp_check_req(sk, skb, req, false); -- if (!nsk) -+ if (!nsk || nsk == sk) - reqsk_put(req); - return nsk; - } -@@ -1427,6 +1431,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb) - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v4_send_reset(rsk, skb); - discard: - kfree_skb(skb); -@@ -1591,12 +1598,19 @@ int tcp_v4_rcv(struct sk_buff *skb) - TCP_SKB_CB(skb)->sacked = 0; - - sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -- -+ } - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1652,6 +1666,10 @@ csum_error: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v4_send_reset(NULL, skb); - } - -diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c -index 17e7339..c72ff6c 100644 ---- a/net/ipv4/tcp_minisocks.c -+++ b/net/ipv4/tcp_minisocks.c -@@ -27,6 +27,10 @@ - #include <net/inet_common.h> - #include <net/xfrm.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int sysctl_tcp_syncookies __read_mostly = 1; - EXPORT_SYMBOL(sysctl_tcp_syncookies); - -@@ -778,7 +782,10 @@ embryonic_reset: - * avoid becoming vulnerable to outside attack aiming at - * resetting legit local connections. - */ -- req->rsk_ops->send_reset(sk, skb); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif -+ req->rsk_ops->send_reset(sk, skb); - } else if (fastopen) { /* received a valid RST pkt */ - reqsk_fastopen_remove(sk, req, true); - tcp_reset(sk); -diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c -index ebf5ff5..4d1ff32 100644 ---- a/net/ipv4/tcp_probe.c -+++ b/net/ipv4/tcp_probe.c -@@ -236,7 +236,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf, - if (cnt + width >= len) - break; - -- if (copy_to_user(buf + cnt, tbuf, width)) -+ if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width)) - return -EFAULT; - cnt += width; - } -diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c -index 8c65dc1..55fd1ba 100644 ---- a/net/ipv4/tcp_timer.c -+++ b/net/ipv4/tcp_timer.c -@@ -22,6 +22,10 @@ - #include <linux/gfp.h> - #include <net/tcp.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_lastack_retries; -+#endif -+ - int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES; - int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES; - int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME; -@@ -195,6 +199,13 @@ static int tcp_write_timeout(struct sock *sk) - } - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if ((sk->sk_state == TCP_LAST_ACK) && -+ (grsec_lastack_retries > 0) && -+ (grsec_lastack_retries < retry_until)) -+ retry_until = grsec_lastack_retries; -+#endif -+ - if (retransmits_timed_out(sk, retry_until, - syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) { - /* Has it gone just too far? */ -diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c -index 83aa604..dbfddf5 100644 ---- a/net/ipv4/udp.c -+++ b/net/ipv4/udp.c -@@ -87,6 +87,7 @@ - #include <linux/types.h> - #include <linux/fcntl.h> - #include <linux/module.h> -+#include <linux/security.h> - #include <linux/socket.h> - #include <linux/sockios.h> - #include <linux/igmp.h> -@@ -115,6 +116,10 @@ - #include <net/busy_poll.h> - #include "udp_impl.h" - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - struct udp_table udp_table __read_mostly; - EXPORT_SYMBOL(udp_table); - -@@ -608,6 +613,9 @@ static inline bool __udp_is_mcast_sock(struct net *net, struct sock *sk, - return true; - } - -+extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr); -+ - /* - * This routine is called by the ICMP module when it gets some - * sort of error condition. If err < 0 then the socket should -@@ -944,9 +952,18 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) - dport = usin->sin_port; - if (dport == 0) - return -EINVAL; -+ -+ err = gr_search_udp_sendmsg(sk, usin); -+ if (err) -+ return err; - } else { - if (sk->sk_state != TCP_ESTABLISHED) - return -EDESTADDRREQ; -+ -+ err = gr_search_udp_sendmsg(sk, NULL); -+ if (err) -+ return err; -+ - daddr = inet->inet_daddr; - dport = inet->inet_dport; - /* Open fast path for connected socket. -@@ -1193,7 +1210,7 @@ static unsigned int first_packet_length(struct sock *sk) - IS_UDPLITE(sk)); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, - IS_UDPLITE(sk)); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - __skb_unlink(skb, rcvq); - __skb_queue_tail(&list_kill, skb); - } -@@ -1273,6 +1290,10 @@ try_again: - if (!skb) - goto out; - -+ err = gr_search_udp_recvmsg(sk, skb); -+ if (err) -+ goto out_free; -+ - ulen = skb->len - sizeof(struct udphdr); - copied = len; - if (copied > ulen) -@@ -1305,7 +1326,7 @@ try_again: - if (unlikely(err)) { - trace_kfree_skb(skb, udp_recvmsg); - if (!peeked) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP_INC_STATS_USER(sock_net(sk), - UDP_MIB_INERRORS, is_udplite); - } -@@ -1599,7 +1620,7 @@ csum_error: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); - drop: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return -1; - } -@@ -1617,7 +1638,7 @@ static void flush_stack(struct sock **stack, unsigned int count, - skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC); - - if (!skb1) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, - IS_UDPLITE(sk)); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, -@@ -1823,6 +1844,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, - goto csum_error; - - UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0); - - /* -@@ -2420,7 +2444,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f, - from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)), - 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } - - int udp4_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c -index bff6974..c63736c 100644 ---- a/net/ipv4/xfrm4_policy.c -+++ b/net/ipv4/xfrm4_policy.c -@@ -186,11 +186,11 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse) - fl4->flowi4_tos = iph->tos; - } - --static inline int xfrm4_garbage_collect(struct dst_ops *ops) -+static int xfrm4_garbage_collect(struct dst_ops *ops) - { - struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops); - -- xfrm4_policy_afinfo.garbage_collect(net); -+ xfrm_garbage_collect_deferred(net); - return (dst_entries_get_slow(ops) > ops->gc_thresh * 2); - } - -@@ -268,19 +268,18 @@ static struct ctl_table xfrm4_policy_table[] = { - - static int __net_init xfrm4_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = xfrm4_policy_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(xfrm4_policy_table), GFP_KERNEL); -+ table = kmemdup(xfrm4_policy_table, sizeof(xfrm4_policy_table), GFP_KERNEL); - if (!table) - goto err_alloc; - - table[0].data = &net->xfrm.xfrm4_dst_ops.gc_thresh; -- } -- -- hdr = register_net_sysctl(net, "net/ipv4", table); -+ hdr = register_net_sysctl(net, "net/ipv4", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv4", xfrm4_policy_table); - if (!hdr) - goto err_reg; - -@@ -288,8 +287,7 @@ static int __net_init xfrm4_net_init(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c -index 37b70e8..1475ab7 100644 ---- a/net/ipv6/addrconf.c -+++ b/net/ipv6/addrconf.c -@@ -178,7 +178,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = { - .hop_limit = IPV6_DEFAULT_HOPLIMIT, - .mtu6 = IPV6_MIN_MTU, - .accept_ra = 1, -- .accept_redirects = 1, -+ .accept_redirects = 0, - .autoconf = 1, - .force_mld_version = 0, - .mldv1_unsolicited_report_interval = 10 * HZ, -@@ -219,7 +219,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { - .hop_limit = IPV6_DEFAULT_HOPLIMIT, - .mtu6 = IPV6_MIN_MTU, - .accept_ra = 1, -- .accept_redirects = 1, -+ .accept_redirects = 0, - .autoconf = 1, - .force_mld_version = 0, - .mldv1_unsolicited_report_interval = 10 * HZ, -@@ -620,7 +620,7 @@ static int inet6_netconf_dump_devconf(struct sk_buff *skb, - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -2506,7 +2506,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg) - p.iph.ihl = 5; - p.iph.protocol = IPPROTO_IPV6; - p.iph.ttl = 64; -- ifr.ifr_ifru.ifru_data = (__force void __user *)&p; -+ ifr.ifr_ifru.ifru_data = (void __force_user *)&p; - - if (ops->ndo_do_ioctl) { - mm_segment_t oldfs = get_fs(); -@@ -3772,16 +3772,23 @@ static const struct file_operations if6_fops = { - .release = seq_release_net, - }; - -+extern void register_ipv6_seq_ops_addr(struct seq_operations *addr); -+extern void unregister_ipv6_seq_ops_addr(void); -+ - static int __net_init if6_proc_net_init(struct net *net) - { -- if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops)) -+ register_ipv6_seq_ops_addr(&if6_seq_ops); -+ if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops)) { -+ unregister_ipv6_seq_ops_addr(); - return -ENOMEM; -+ } - return 0; - } - - static void __net_exit if6_proc_net_exit(struct net *net) - { - remove_proc_entry("if_inet6", net->proc_net); -+ unregister_ipv6_seq_ops_addr(); - } - - static struct pernet_operations if6_proc_net_ops = { -@@ -4400,7 +4407,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, - s_ip_idx = ip_idx = cb->args[2]; - - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq; -+ cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq; - for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { - idx = 0; - head = &net->dev_index_head[h]; -@@ -5057,7 +5064,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) - rt_genid_bump_ipv6(net); - break; - } -- atomic_inc(&net->ipv6.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv6.dev_addr_genid); - } - - static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) -@@ -5077,7 +5084,7 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -@@ -5102,7 +5109,7 @@ int addrconf_sysctl_mtu(struct ctl_table *ctl, int write, - { - struct inet6_dev *idev = ctl->extra1; - int min_mtu = IPV6_MIN_MTU; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - - lctl = *ctl; - lctl.extra1 = &min_mtu; -@@ -5177,7 +5184,7 @@ int addrconf_sysctl_disable(struct ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -@@ -5242,7 +5249,7 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write, - int err; - struct in6_addr addr; - char str[IPV6_MAX_STRLEN]; -- struct ctl_table lctl = *ctl; -+ ctl_table_no_const lctl = *ctl; - struct net *net = ctl->extra2; - struct ipv6_stable_secret *secret = ctl->data; - -diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c -index eef63b3..d68f5da 100644 ---- a/net/ipv6/af_inet6.c -+++ b/net/ipv6/af_inet6.c -@@ -768,7 +768,7 @@ static int __net_init inet6_net_init(struct net *net) - net->ipv6.sysctl.auto_flowlabels = 0; - net->ipv6.sysctl.idgen_retries = 3; - net->ipv6.sysctl.idgen_delay = 1 * HZ; -- atomic_set(&net->ipv6.fib6_sernum, 1); -+ atomic_set_unchecked(&net->ipv6.fib6_sernum, 1); - - err = ipv6_init_mibs(net); - if (err) -diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c -index 62d908e..bac79a9 100644 ---- a/net/ipv6/datagram.c -+++ b/net/ipv6/datagram.c -@@ -967,5 +967,5 @@ void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, - 0, - sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } -diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c -index 2c2b5d5..cc01abd 100644 ---- a/net/ipv6/icmp.c -+++ b/net/ipv6/icmp.c -@@ -1004,7 +1004,7 @@ static struct ctl_table ipv6_icmp_table_template[] = { - - struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ipv6_icmp_table_template, - sizeof(ipv6_icmp_table_template), -diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c -index bde57b1..5b45dbb 100644 ---- a/net/ipv6/ip6_fib.c -+++ b/net/ipv6/ip6_fib.c -@@ -99,9 +99,9 @@ static int fib6_new_sernum(struct net *net) - int new, old; - - do { -- old = atomic_read(&net->ipv6.fib6_sernum); -+ old = atomic_read_unchecked(&net->ipv6.fib6_sernum); - new = old < INT_MAX ? old + 1 : 1; -- } while (atomic_cmpxchg(&net->ipv6.fib6_sernum, -+ } while (atomic_cmpxchg_unchecked(&net->ipv6.fib6_sernum, - old, new) != old); - return new; - } -diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c -index a38d3ac..d02e37d 100644 ---- a/net/ipv6/ip6_gre.c -+++ b/net/ipv6/ip6_gre.c -@@ -71,8 +71,8 @@ struct ip6gre_net { - struct net_device *fb_tunnel_dev; - }; - --static struct rtnl_link_ops ip6gre_link_ops __read_mostly; --static struct rtnl_link_ops ip6gre_tap_ops __read_mostly; -+static struct rtnl_link_ops ip6gre_link_ops; -+static struct rtnl_link_ops ip6gre_tap_ops; - static int ip6gre_tunnel_init(struct net_device *dev); - static void ip6gre_tunnel_setup(struct net_device *dev); - static void ip6gre_tunnel_link(struct ip6gre_net *ign, struct ip6_tnl *t); -@@ -1280,7 +1280,7 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev) - } - - --static struct inet6_protocol ip6gre_protocol __read_mostly = { -+static struct inet6_protocol ip6gre_protocol = { - .handler = ip6gre_rcv, - .err_handler = ip6gre_err, - .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, -@@ -1639,7 +1639,7 @@ static const struct nla_policy ip6gre_policy[IFLA_GRE_MAX + 1] = { - [IFLA_GRE_FLAGS] = { .type = NLA_U32 }, - }; - --static struct rtnl_link_ops ip6gre_link_ops __read_mostly = { -+static struct rtnl_link_ops ip6gre_link_ops = { - .kind = "ip6gre", - .maxtype = IFLA_GRE_MAX, - .policy = ip6gre_policy, -@@ -1654,7 +1654,7 @@ static struct rtnl_link_ops ip6gre_link_ops __read_mostly = { - .get_link_net = ip6_tnl_get_link_net, - }; - --static struct rtnl_link_ops ip6gre_tap_ops __read_mostly = { -+static struct rtnl_link_ops ip6gre_tap_ops = { - .kind = "ip6gretap", - .maxtype = IFLA_GRE_MAX, - .policy = ip6gre_policy, -diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c -index 5cafd92..d5aead4 100644 ---- a/net/ipv6/ip6_tunnel.c -+++ b/net/ipv6/ip6_tunnel.c -@@ -80,7 +80,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2) - - static int ip6_tnl_dev_init(struct net_device *dev); - static void ip6_tnl_dev_setup(struct net_device *dev); --static struct rtnl_link_ops ip6_link_ops __read_mostly; -+static struct rtnl_link_ops ip6_link_ops; - - static int ip6_tnl_net_id __read_mostly; - struct ip6_tnl_net { -@@ -1776,7 +1776,7 @@ static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = { - [IFLA_IPTUN_PROTO] = { .type = NLA_U8 }, - }; - --static struct rtnl_link_ops ip6_link_ops __read_mostly = { -+static struct rtnl_link_ops ip6_link_ops = { - .kind = "ip6tnl", - .maxtype = IFLA_IPTUN_MAX, - .policy = ip6_tnl_policy, -diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c -index 0224c03..c5ec3d9 100644 ---- a/net/ipv6/ip6_vti.c -+++ b/net/ipv6/ip6_vti.c -@@ -62,7 +62,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2) - - static int vti6_dev_init(struct net_device *dev); - static void vti6_dev_setup(struct net_device *dev); --static struct rtnl_link_ops vti6_link_ops __read_mostly; -+static struct rtnl_link_ops vti6_link_ops; - - static int vti6_net_id __read_mostly; - struct vti6_net { -@@ -1019,7 +1019,7 @@ static const struct nla_policy vti6_policy[IFLA_VTI_MAX + 1] = { - [IFLA_VTI_OKEY] = { .type = NLA_U32 }, - }; - --static struct rtnl_link_ops vti6_link_ops __read_mostly = { -+static struct rtnl_link_ops vti6_link_ops = { - .kind = "vti6", - .maxtype = IFLA_VTI_MAX, - .policy = vti6_policy, -diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c -index 63e6956..ebbbcf6 100644 ---- a/net/ipv6/ipv6_sockglue.c -+++ b/net/ipv6/ipv6_sockglue.c -@@ -1015,7 +1015,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, - if (sk->sk_type != SOCK_STREAM) - return -ENOPROTOOPT; - -- msg.msg_control = optval; -+ msg.msg_control = (void __force_kernel *)optval; - msg.msg_controllen = len; - msg.msg_flags = flags; - -diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c -index 96f153c..82fcad9 100644 ---- a/net/ipv6/ndisc.c -+++ b/net/ipv6/ndisc.c -@@ -1650,6 +1650,7 @@ int ndisc_rcv(struct sk_buff *skb) - static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) - { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); -+ struct netdev_notifier_change_info *change_info; - struct net *net = dev_net(dev); - struct inet6_dev *idev; - -@@ -1664,6 +1665,11 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, - ndisc_send_unsol_na(dev); - in6_dev_put(idev); - break; -+ case NETDEV_CHANGE: -+ change_info = ptr; -+ if (change_info->flags_changed & IFF_NOARP) -+ neigh_changeaddr(&nd_tbl, dev); -+ break; - case NETDEV_DOWN: - neigh_ifdown(&nd_tbl, dev); - fib6_run_gc(0, net, false); -diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c -index 62f5b0d..331fdb1 100644 ---- a/net/ipv6/netfilter/ip6_tables.c -+++ b/net/ipv6/netfilter/ip6_tables.c -@@ -1085,14 +1085,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct ip6t_getinfo)) { -- duprintf("length %u != %zu\n", *len, -+ if (len != sizeof(struct ip6t_getinfo)) { -+ duprintf("length %u != %zu\n", len, - sizeof(struct ip6t_getinfo)); - return -EINVAL; - } -@@ -1129,7 +1129,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1991,7 +1991,7 @@ compat_do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IP6T_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case IP6T_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -2038,7 +2038,7 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IP6T_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case IP6T_SO_GET_ENTRIES: -diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c -index 6f187c8..55e564f 100644 ---- a/net/ipv6/netfilter/nf_conntrack_reasm.c -+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c -@@ -96,12 +96,11 @@ static struct ctl_table nf_ct_frag6_sysctl_table[] = { - - static int nf_ct_frag6_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = nf_ct_frag6_sysctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(nf_ct_frag6_sysctl_table), -+ table = kmemdup(nf_ct_frag6_sysctl_table, sizeof(nf_ct_frag6_sysctl_table), - GFP_KERNEL); - if (table == NULL) - goto err_alloc; -@@ -112,9 +111,9 @@ static int nf_ct_frag6_sysctl_register(struct net *net) - table[2].data = &net->nf_frag.frags.high_thresh; - table[2].extra1 = &net->nf_frag.frags.low_thresh; - table[2].extra2 = &init_net.nf_frag.frags.high_thresh; -- } -- -- hdr = register_net_sysctl(net, "net/netfilter", table); -+ hdr = register_net_sysctl(net, "net/netfilter", table); -+ } else -+ hdr = register_net_sysctl(net, "net/netfilter", nf_ct_frag6_sysctl_table); - if (hdr == NULL) - goto err_reg; - -@@ -122,8 +121,7 @@ static int nf_ct_frag6_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -@@ -348,7 +346,7 @@ found: - fq->ecn |= ecn; - if (payload_len > fq->q.max_size) - fq->q.max_size = payload_len; -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - /* The first fragment. - * nhoffset is obtained from the first fragment, of course. -@@ -430,7 +428,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) - clone->ip_summed = head->ip_summed; - - NFCT_FRAG6_CB(clone)->orig = NULL; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - /* We have to remove fragment header from datagram and to relocate -@@ -454,7 +452,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) - head->csum = csum_add(head->csum, fp->csum); - head->truesize += fp->truesize; - } -- sub_frag_mem_limit(&fq->q, head->truesize); -+ sub_frag_mem_limit(fq->q.net, head->truesize); - - head->ignore_df = 1; - head->next = NULL; -diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c -index 263a516..692f738 100644 ---- a/net/ipv6/ping.c -+++ b/net/ipv6/ping.c -@@ -240,6 +240,24 @@ static struct pernet_operations ping_v6_net_ops = { - }; - #endif - -+static struct pingv6_ops real_pingv6_ops = { -+ .ipv6_recv_error = ipv6_recv_error, -+ .ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl, -+ .ip6_datagram_recv_specific_ctl = ip6_datagram_recv_specific_ctl, -+ .icmpv6_err_convert = icmpv6_err_convert, -+ .ipv6_icmp_error = ipv6_icmp_error, -+ .ipv6_chk_addr = ipv6_chk_addr, -+}; -+ -+static struct pingv6_ops dummy_pingv6_ops = { -+ .ipv6_recv_error = dummy_ipv6_recv_error, -+ .ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl, -+ .ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl, -+ .icmpv6_err_convert = dummy_icmpv6_err_convert, -+ .ipv6_icmp_error = dummy_ipv6_icmp_error, -+ .ipv6_chk_addr = dummy_ipv6_chk_addr, -+}; -+ - int __init pingv6_init(void) - { - #ifdef CONFIG_PROC_FS -@@ -247,13 +265,7 @@ int __init pingv6_init(void) - if (ret) - return ret; - #endif -- pingv6_ops.ipv6_recv_error = ipv6_recv_error; -- pingv6_ops.ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl; -- pingv6_ops.ip6_datagram_recv_specific_ctl = -- ip6_datagram_recv_specific_ctl; -- pingv6_ops.icmpv6_err_convert = icmpv6_err_convert; -- pingv6_ops.ipv6_icmp_error = ipv6_icmp_error; -- pingv6_ops.ipv6_chk_addr = ipv6_chk_addr; -+ pingv6_ops = &real_pingv6_ops; - return inet6_register_protosw(&pingv6_protosw); - } - -@@ -262,14 +274,9 @@ int __init pingv6_init(void) - */ - void pingv6_exit(void) - { -- pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error; -- pingv6_ops.ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl; -- pingv6_ops.ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl; -- pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert; -- pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error; -- pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr; - #ifdef CONFIG_PROC_FS - unregister_pernet_subsys(&ping_v6_net_ops); - #endif -+ pingv6_ops = &dummy_pingv6_ops; - inet6_unregister_protosw(&pingv6_protosw); - } -diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c -index 679253d0..70b653c 100644 ---- a/net/ipv6/proc.c -+++ b/net/ipv6/proc.c -@@ -310,7 +310,7 @@ static int __net_init ipv6_proc_init_net(struct net *net) - if (!proc_create("snmp6", S_IRUGO, net->proc_net, &snmp6_seq_fops)) - goto proc_snmp6_fail; - -- net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net); -+ net->mib.proc_net_devsnmp6 = proc_mkdir_restrict("dev_snmp6", net->proc_net); - if (!net->mib.proc_net_devsnmp6) - goto proc_dev_snmp6_fail; - return 0; -diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c -index 8072bd4..1629245 100644 ---- a/net/ipv6/raw.c -+++ b/net/ipv6/raw.c -@@ -388,7 +388,7 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb) - { - if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) && - skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -416,7 +416,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) - struct raw6_sock *rp = raw6_sk(sk); - - if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -440,7 +440,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) - - if (inet->hdrincl) { - if (skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -608,7 +608,7 @@ out: - return err; - } - --static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length, -+static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, unsigned int length, - struct flowi6 *fl6, struct dst_entry **dstp, - unsigned int flags) - { -@@ -913,12 +913,15 @@ do_confirm: - static int rawv6_seticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int optlen) - { -+ struct icmp6_filter filter; -+ - switch (optname) { - case ICMPV6_FILTER: - if (optlen > sizeof(struct icmp6_filter)) - optlen = sizeof(struct icmp6_filter); -- if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ raw6_sk(sk)->filter = filter; - return 0; - default: - return -ENOPROTOOPT; -@@ -931,6 +934,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int __user *optlen) - { - int len; -+ struct icmp6_filter filter; - - switch (optname) { - case ICMPV6_FILTER: -@@ -942,7 +946,8 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, - len = sizeof(struct icmp6_filter); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &raw6_sk(sk)->filter, len)) -+ filter = raw6_sk(sk)->filter; -+ if (len > sizeof filter || copy_to_user(optval, &filter, len)) - return -EFAULT; - return 0; - default: -diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c -index 8ffa2c8..0db5dad 100644 ---- a/net/ipv6/reassembly.c -+++ b/net/ipv6/reassembly.c -@@ -144,7 +144,7 @@ void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq, - - IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); - -- if (fq->q.flags & INET_FRAG_EVICTED) -+ if (inet_frag_evicting(&fq->q)) - goto out_rcu_unlock; - - IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT); -@@ -330,7 +330,7 @@ found: - fq->q.stamp = skb->tstamp; - fq->q.meat += skb->len; - fq->ecn |= ecn; -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - /* The first fragment. - * nhoffset is obtained from the first fragment, of course. -@@ -443,7 +443,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, - head->len -= clone->len; - clone->csum = 0; - clone->ip_summed = head->ip_summed; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - /* We have to remove fragment header from datagram and to relocate -@@ -481,7 +481,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&fq->q, sum_truesize); -+ sub_frag_mem_limit(fq->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -626,12 +626,11 @@ static struct ctl_table ip6_frags_ctl_table[] = { - - static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = ip6_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); -+ table = kmemdup(ip6_frags_ns_ctl_table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -645,9 +644,10 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -+ hdr = register_net_sysctl(net, "net/ipv6", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv6", ip6_frags_ns_ctl_table); - -- hdr = register_net_sysctl(net, "net/ipv6", table); - if (!hdr) - goto err_reg; - -@@ -655,8 +655,7 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv6/route.c b/net/ipv6/route.c -index c73ae50..aa55e00 100644 ---- a/net/ipv6/route.c -+++ b/net/ipv6/route.c -@@ -3046,7 +3046,7 @@ struct ctl_table ipv6_route_table_template[] = { - - struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ipv6_route_table_template, - sizeof(ipv6_route_table_template), -diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c -index ac35a28..070cc8c 100644 ---- a/net/ipv6/sit.c -+++ b/net/ipv6/sit.c -@@ -74,7 +74,7 @@ static void ipip6_tunnel_setup(struct net_device *dev); - static void ipip6_dev_free(struct net_device *dev); - static bool check_6rd(struct ip_tunnel *tunnel, const struct in6_addr *v6dst, - __be32 *v4dst); --static struct rtnl_link_ops sit_link_ops __read_mostly; -+static struct rtnl_link_ops sit_link_ops; - - static int sit_net_id __read_mostly; - struct sit_net { -@@ -1749,7 +1749,7 @@ static void ipip6_dellink(struct net_device *dev, struct list_head *head) - unregister_netdevice_queue(dev, head); - } - --static struct rtnl_link_ops sit_link_ops __read_mostly = { -+static struct rtnl_link_ops sit_link_ops = { - .kind = "sit", - .maxtype = IFLA_IPTUN_MAX, - .policy = ipip6_policy, -diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c -index abcc79f..3b2d2d5 100644 ---- a/net/ipv6/sysctl_net_ipv6.c -+++ b/net/ipv6/sysctl_net_ipv6.c -@@ -92,7 +92,7 @@ static struct ctl_table ipv6_rotable[] = { - - static int __net_init ipv6_sysctl_net_init(struct net *net) - { -- struct ctl_table *ipv6_table; -+ ctl_table_no_const *ipv6_table; - struct ctl_table *ipv6_route_table; - struct ctl_table *ipv6_icmp_table; - int err; -diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c -index 3adffb3..fe3cc78 100644 ---- a/net/ipv6/tcp_ipv6.c -+++ b/net/ipv6/tcp_ipv6.c -@@ -104,6 +104,10 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) - } - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - static __u32 tcp_v6_init_sequence(const struct sk_buff *skb) - { - return secure_tcpv6_sequence_number(ipv6_hdr(skb)->daddr.s6_addr32, -@@ -946,7 +950,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk, struct sk_buff *skb) - &ipv6_hdr(skb)->daddr, tcp_v6_iif(skb)); - if (req) { - nsk = tcp_check_req(sk, skb, req, false); -- if (!nsk) -+ if (!nsk || nsk == sk) - reqsk_put(req); - return nsk; - } -@@ -1283,6 +1287,9 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v6_send_reset(sk, skb); - discard: - if (opt_skb) -@@ -1392,12 +1399,20 @@ static int tcp_v6_rcv(struct sk_buff *skb) - - sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest, - inet6_iif(skb)); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -+ } - - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1448,6 +1463,10 @@ csum_error: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v6_send_reset(NULL, skb); - } - -diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c -index e51fc3e..8f04229 100644 ---- a/net/ipv6/udp.c -+++ b/net/ipv6/udp.c -@@ -76,6 +76,10 @@ static u32 udp6_ehashfn(const struct net *net, - udp_ipv6_hash_secret + net_hash_mix(net)); - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2) - { - const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2); -@@ -445,7 +449,7 @@ try_again: - if (unlikely(err)) { - trace_kfree_skb(skb, udpv6_recvmsg); - if (!peeked) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - if (is_udp4) - UDP_INC_STATS_USER(sock_net(sk), - UDP_MIB_INERRORS, -@@ -709,7 +713,7 @@ csum_error: - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); - drop: - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return -1; - } -@@ -750,7 +754,7 @@ static void flush_stack(struct sock **stack, unsigned int count, - if (likely(!skb1)) - skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC); - if (!skb1) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, - IS_UDPLITE(sk)); - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, -@@ -934,6 +938,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, - goto csum_error; - - UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0); - - kfree_skb(skb); -diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c -index f337a90..ba0d2a0 100644 ---- a/net/ipv6/xfrm6_policy.c -+++ b/net/ipv6/xfrm6_policy.c -@@ -185,7 +185,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - return; - - case IPPROTO_ICMPV6: -- if (!onlyproto && pskb_may_pull(skb, nh + offset + 2 - skb->data)) { -+ if (!onlyproto && (nh + offset + 2 < skb->data || -+ pskb_may_pull(skb, nh + offset + 2 - skb->data))) { - u8 *icmp; - - nh = skb_network_header(skb); -@@ -199,7 +200,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - #if IS_ENABLED(CONFIG_IPV6_MIP6) - case IPPROTO_MH: - offset += ipv6_optlen(exthdr); -- if (!onlyproto && pskb_may_pull(skb, nh + offset + 3 - skb->data)) { -+ if (!onlyproto && (nh + offset + 3 < skb->data || -+ pskb_may_pull(skb, nh + offset + 3 - skb->data))) { - struct ip6_mh *mh; - - nh = skb_network_header(skb); -@@ -222,11 +224,11 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - } - } - --static inline int xfrm6_garbage_collect(struct dst_ops *ops) -+static int xfrm6_garbage_collect(struct dst_ops *ops) - { - struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops); - -- xfrm6_policy_afinfo.garbage_collect(net); -+ xfrm_garbage_collect_deferred(net); - return dst_entries_get_fast(ops) > ops->gc_thresh * 2; - } - -@@ -338,19 +340,19 @@ static struct ctl_table xfrm6_policy_table[] = { - - static int __net_init xfrm6_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = xfrm6_policy_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(xfrm6_policy_table), GFP_KERNEL); -+ table = kmemdup(xfrm6_policy_table, sizeof(xfrm6_policy_table), GFP_KERNEL); - if (!table) - goto err_alloc; - - table[0].data = &net->xfrm.xfrm6_dst_ops.gc_thresh; -- } -+ hdr = register_net_sysctl(net, "net/ipv6", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv6", xfrm6_policy_table); - -- hdr = register_net_sysctl(net, "net/ipv6", table); - if (!hdr) - goto err_reg; - -@@ -358,8 +360,7 @@ static int __net_init xfrm6_net_init(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c -index c1d247e..9e5949d 100644 ---- a/net/ipx/ipx_proc.c -+++ b/net/ipx/ipx_proc.c -@@ -289,7 +289,7 @@ int __init ipx_proc_init(void) - struct proc_dir_entry *p; - int rc = -ENOMEM; - -- ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net); -+ ipx_proc_dir = proc_mkdir_restrict("ipx", init_net.proc_net); - - if (!ipx_proc_dir) - goto out; -diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c -index 683346d..cb0e12d 100644 ---- a/net/irda/ircomm/ircomm_tty.c -+++ b/net/irda/ircomm/ircomm_tty.c -@@ -310,10 +310,10 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - add_wait_queue(&port->open_wait, &wait); - - pr_debug("%s(%d):block_til_ready before block on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&port->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -348,7 +348,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - } - - pr_debug("%s(%d):block_til_ready blocking on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - schedule(); - } -@@ -358,12 +358,12 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - spin_unlock_irqrestore(&port->lock, flags); - - pr_debug("%s(%d):block_til_ready after blocking on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -433,12 +433,12 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) - - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->port.lock, flags); -- self->port.count++; -+ atomic_inc(&self->port.count); - spin_unlock_irqrestore(&self->port.lock, flags); - tty_port_tty_set(&self->port, tty); - - pr_debug("%s(), %s%d, count = %d\n", __func__ , tty->driver->name, -- self->line, self->port.count); -+ self->line, atomic_read(&self->port.count)); - - /* Not really used by us, but lets do it anyway */ - self->port.low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; -@@ -961,7 +961,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty) - tty_kref_put(port->tty); - } - port->tty = NULL; -- port->count = 0; -+ atomic_set(&port->count, 0); - spin_unlock_irqrestore(&port->lock, flags); - - wake_up_interruptible(&port->open_wait); -@@ -1308,7 +1308,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) - seq_putc(m, '\n'); - - seq_printf(m, "Role: %s\n", self->client ? "client" : "server"); -- seq_printf(m, "Open count: %d\n", self->port.count); -+ seq_printf(m, "Open count: %d\n", atomic_read(&self->port.count)); - seq_printf(m, "Max data size: %d\n", self->max_data_size); - seq_printf(m, "Max header size: %d\n", self->max_header_size); - -diff --git a/net/irda/irproc.c b/net/irda/irproc.c -index b9ac598..f88cc56 100644 ---- a/net/irda/irproc.c -+++ b/net/irda/irproc.c -@@ -66,7 +66,7 @@ void __init irda_proc_register(void) - { - int i; - -- proc_irda = proc_mkdir("irda", init_net.proc_net); -+ proc_irda = proc_mkdir_restrict("irda", init_net.proc_net); - if (proc_irda == NULL) - return; - -diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c -index 6daa52a..786aa2b 100644 ---- a/net/iucv/af_iucv.c -+++ b/net/iucv/af_iucv.c -@@ -686,10 +686,10 @@ static void __iucv_auto_name(struct iucv_sock *iucv) - { - char name[12]; - -- sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name)); -+ sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - while (__iucv_get_sock_by_name(name)) { - sprintf(name, "%08x", -- atomic_inc_return(&iucv_sk_list.autobind_name)); -+ atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - } - memcpy(iucv->src_name, name, 8); - } -diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c -index 2a6a1fd..6c112b0 100644 ---- a/net/iucv/iucv.c -+++ b/net/iucv/iucv.c -@@ -702,7 +702,7 @@ static int iucv_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata iucv_cpu_notifier = { -+static struct notifier_block iucv_cpu_notifier = { - .notifier_call = iucv_cpu_notify, - }; - -diff --git a/net/key/af_key.c b/net/key/af_key.c -index f0d52d7..9c9af38 100644 ---- a/net/key/af_key.c -+++ b/net/key/af_key.c -@@ -3049,10 +3049,10 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struc - static u32 get_acqseq(void) - { - u32 res; -- static atomic_t acqseq; -+ static atomic_unchecked_t acqseq; - - do { -- res = atomic_inc_return(&acqseq); -+ res = atomic_inc_return_unchecked(&acqseq); - } while (!res); - return res; - } -diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c -index 4b55287..bd247f7 100644 ---- a/net/l2tp/l2tp_eth.c -+++ b/net/l2tp/l2tp_eth.c -@@ -42,12 +42,12 @@ struct l2tp_eth { - struct sock *tunnel_sock; - struct l2tp_session *session; - struct list_head list; -- atomic_long_t tx_bytes; -- atomic_long_t tx_packets; -- atomic_long_t tx_dropped; -- atomic_long_t rx_bytes; -- atomic_long_t rx_packets; -- atomic_long_t rx_errors; -+ atomic_long_unchecked_t tx_bytes; -+ atomic_long_unchecked_t tx_packets; -+ atomic_long_unchecked_t tx_dropped; -+ atomic_long_unchecked_t rx_bytes; -+ atomic_long_unchecked_t rx_packets; -+ atomic_long_unchecked_t rx_errors; - }; - - /* via l2tp_session_priv() */ -@@ -98,10 +98,10 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev) - int ret = l2tp_xmit_skb(session, skb, session->hdr_len); - - if (likely(ret == NET_XMIT_SUCCESS)) { -- atomic_long_add(len, &priv->tx_bytes); -- atomic_long_inc(&priv->tx_packets); -+ atomic_long_add_unchecked(len, &priv->tx_bytes); -+ atomic_long_inc_unchecked(&priv->tx_packets); - } else { -- atomic_long_inc(&priv->tx_dropped); -+ atomic_long_inc_unchecked(&priv->tx_dropped); - } - return NETDEV_TX_OK; - } -@@ -111,12 +111,12 @@ static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev, - { - struct l2tp_eth *priv = netdev_priv(dev); - -- stats->tx_bytes = atomic_long_read(&priv->tx_bytes); -- stats->tx_packets = atomic_long_read(&priv->tx_packets); -- stats->tx_dropped = atomic_long_read(&priv->tx_dropped); -- stats->rx_bytes = atomic_long_read(&priv->rx_bytes); -- stats->rx_packets = atomic_long_read(&priv->rx_packets); -- stats->rx_errors = atomic_long_read(&priv->rx_errors); -+ stats->tx_bytes = atomic_long_read_unchecked(&priv->tx_bytes); -+ stats->tx_packets = atomic_long_read_unchecked(&priv->tx_packets); -+ stats->tx_dropped = atomic_long_read_unchecked(&priv->tx_dropped); -+ stats->rx_bytes = atomic_long_read_unchecked(&priv->rx_bytes); -+ stats->rx_packets = atomic_long_read_unchecked(&priv->rx_packets); -+ stats->rx_errors = atomic_long_read_unchecked(&priv->rx_errors); - return stats; - } - -@@ -167,15 +167,15 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, - nf_reset(skb); - - if (dev_forward_skb(dev, skb) == NET_RX_SUCCESS) { -- atomic_long_inc(&priv->rx_packets); -- atomic_long_add(data_len, &priv->rx_bytes); -+ atomic_long_inc_unchecked(&priv->rx_packets); -+ atomic_long_add_unchecked(data_len, &priv->rx_bytes); - } else { -- atomic_long_inc(&priv->rx_errors); -+ atomic_long_inc_unchecked(&priv->rx_errors); - } - return; - - error: -- atomic_long_inc(&priv->rx_errors); -+ atomic_long_inc_unchecked(&priv->rx_errors); - kfree_skb(skb); - } - -diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c -index 7964993..2c48a3a 100644 ---- a/net/l2tp/l2tp_ip.c -+++ b/net/l2tp/l2tp_ip.c -@@ -608,7 +608,7 @@ static struct inet_protosw l2tp_ip_protosw = { - .ops = &l2tp_ip_ops, - }; - --static struct net_protocol l2tp_ip_protocol __read_mostly = { -+static const struct net_protocol l2tp_ip_protocol = { - .handler = l2tp_ip_recv, - .netns_ok = 1, - }; -diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c -index d1ded37..c0d1e49 100644 ---- a/net/l2tp/l2tp_ip6.c -+++ b/net/l2tp/l2tp_ip6.c -@@ -755,7 +755,7 @@ static struct inet_protosw l2tp_ip6_protosw = { - .ops = &l2tp_ip6_ops, - }; - --static struct inet6_protocol l2tp_ip6_protocol __read_mostly = { -+static const struct inet6_protocol l2tp_ip6_protocol = { - .handler = l2tp_ip6_recv, - }; - -diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c -index 1a3c7e0..80f8b0c 100644 ---- a/net/llc/llc_proc.c -+++ b/net/llc/llc_proc.c -@@ -247,7 +247,7 @@ int __init llc_proc_init(void) - int rc = -ENOMEM; - struct proc_dir_entry *p; - -- llc_proc_dir = proc_mkdir("llc", init_net.proc_net); -+ llc_proc_dir = proc_mkdir_restrict("llc", init_net.proc_net); - if (!llc_proc_dir) - goto out; - -diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c -index f06d422..de37d95 100644 ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -582,7 +582,7 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy, - ret = ieee80211_vif_use_channel(sdata, chandef, - IEEE80211_CHANCTX_EXCLUSIVE); - } -- } else if (local->open_count == local->monitors) { -+ } else if (local_read(&local->open_count) == local->monitors) { - local->_oper_chandef = *chandef; - ieee80211_hw_config(local, 0); - } -@@ -3429,7 +3429,7 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, - else - local->probe_req_reg--; - -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - break; - - ieee80211_queue_work(&local->hw, &local->reconfig_filter); -@@ -3564,8 +3564,8 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, - if (chanctx_conf) { - *chandef = sdata->vif.bss_conf.chandef; - ret = 0; -- } else if (local->open_count > 0 && -- local->open_count == local->monitors && -+ } else if (local_read(&local->open_count) > 0 && -+ local_read(&local->open_count) == local->monitors && - sdata->vif.type == NL80211_IFTYPE_MONITOR) { - if (local->use_chanctx) - *chandef = local->monitor_chandef; -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index c0a9187..2a13300 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -30,6 +30,7 @@ - #include <net/ieee80211_radiotap.h> - #include <net/cfg80211.h> - #include <net/mac80211.h> -+#include <asm/local.h> - #include "key.h" - #include "sta_info.h" - #include "debug.h" -@@ -1118,7 +1119,7 @@ struct ieee80211_local { - /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ - spinlock_t queue_stop_reason_lock; - -- int open_count; -+ local_t open_count; - int monitors, cooked_mntrs; - /* number of interfaces with corresponding FIF_ flags */ - int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, -diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c -index 84cef60..53ec813 100644 ---- a/net/mac80211/iface.c -+++ b/net/mac80211/iface.c -@@ -550,7 +550,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - break; - } - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - res = drv_start(local); - if (res) - goto err_del_bss; -@@ -597,7 +597,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - res = drv_add_interface(local, sdata); - if (res) - goto err_stop; -- } else if (local->monitors == 0 && local->open_count == 0) { -+ } else if (local->monitors == 0 && local_read(&local->open_count) == 0) { - res = ieee80211_add_virtual_monitor(local); - if (res) - goto err_stop; -@@ -707,7 +707,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - atomic_inc(&local->iff_promiscs); - - if (coming_up) -- local->open_count++; -+ local_inc(&local->open_count); - - if (hw_reconf_flags) - ieee80211_hw_config(local, hw_reconf_flags); -@@ -745,7 +745,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - err_del_interface: - drv_remove_interface(local, sdata); - err_stop: -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - drv_stop(local); - err_del_bss: - sdata->bss = NULL; -@@ -915,7 +915,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - } - - if (going_down) -- local->open_count--; -+ local_dec(&local->open_count); - - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP_VLAN: -@@ -984,7 +984,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - atomic_set(&sdata->txqs_len[txqi->txq.ac], 0); - } - -- if (local->open_count == 0) -+ if (local_read(&local->open_count) == 0) - ieee80211_clear_tx_pending(local); - - /* -@@ -1027,7 +1027,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - if (cancel_scan) - flush_delayed_work(&local->scan_work); - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - ieee80211_stop_device(local); - - /* no reconfiguring after stop! */ -@@ -1038,7 +1038,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - ieee80211_configure_filter(local); - ieee80211_hw_config(local, hw_reconf_flags); - -- if (local->monitors == local->open_count) -+ if (local->monitors == local_read(&local->open_count)) - ieee80211_add_virtual_monitor(local); - } - -diff --git a/net/mac80211/main.c b/net/mac80211/main.c -index e86daed..9cbf3f4 100644 ---- a/net/mac80211/main.c -+++ b/net/mac80211/main.c -@@ -175,7 +175,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) - changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | - IEEE80211_CONF_CHANGE_POWER); - -- if (changed && local->open_count) { -+ if (changed && local_read(&local->open_count)) { - ret = drv_config(local, changed); - /* - * Goal: -diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c -index ac6ad62..77dbac5 100644 ---- a/net/mac80211/pm.c -+++ b/net/mac80211/pm.c -@@ -12,7 +12,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) - struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; - -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - goto suspend; - - ieee80211_scan_cancel(local); -@@ -150,7 +150,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) - WARN_ON(!list_empty(&local->chanctx_list)); - - /* stop hardware - this must stop RX */ -- if (local->open_count) -+ if (local_read(&local->open_count)) - ieee80211_stop_device(local); - - suspend: -diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c -index d53355b..21f583a 100644 ---- a/net/mac80211/rate.c -+++ b/net/mac80211/rate.c -@@ -724,7 +724,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, - - ASSERT_RTNL(); - -- if (local->open_count) -+ if (local_read(&local->open_count)) - return -EBUSY; - - if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { -diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c -index 2880f2a..3085cec 100644 ---- a/net/mac80211/sta_info.c -+++ b/net/mac80211/sta_info.c -@@ -339,7 +339,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, - int size = sizeof(struct txq_info) + - ALIGN(hw->txq_data_size, sizeof(void *)); - -- txq_data = kcalloc(ARRAY_SIZE(sta->sta.txq), size, gfp); -+ txq_data = kcalloc(size, ARRAY_SIZE(sta->sta.txq), gfp); - if (!txq_data) - goto free; - -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index b864ebc..17326ff 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1761,7 +1761,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - bool sched_scan_stopped = false; - - /* nothing to do if HW shouldn't run */ -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - goto wake_up; - - #ifdef CONFIG_PM -@@ -2033,7 +2033,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - local->in_reconfig = false; - barrier(); - -- if (local->monitors == local->open_count && local->monitors > 0) -+ if (local->monitors == local_read(&local->open_count) && local->monitors > 0) - ieee80211_add_virtual_monitor(local); - - /* -@@ -2088,7 +2088,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - * If this is for hw restart things are still running. - * We may want to change that later, however. - */ -- if (local->open_count && (!local->suspended || reconfig_due_to_wowlan)) -+ if (local_read(&local->open_count) && (!local->suspended || reconfig_due_to_wowlan)) - drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART); - - if (!local->suspended) -@@ -2112,7 +2112,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - flush_delayed_work(&local->scan_work); - } - -- if (local->open_count && !reconfig_due_to_wowlan) -+ if (local_read(&local->open_count) && !reconfig_due_to_wowlan) - drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_SUSPEND); - - list_for_each_entry(sdata, &local->interfaces, list) { -diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c -index 1f93a59..96faa29 100644 ---- a/net/mpls/af_mpls.c -+++ b/net/mpls/af_mpls.c -@@ -456,7 +456,7 @@ static int mpls_dev_sysctl_register(struct net_device *dev, - struct mpls_dev *mdev) - { - char path[sizeof("net/mpls/conf/") + IFNAMSIZ]; -- struct ctl_table *table; -+ ctl_table_no_const *table; - int i; - - table = kmemdup(&mpls_dev_table, sizeof(mpls_dev_table), GFP_KERNEL); -@@ -1025,7 +1025,7 @@ static int mpls_platform_labels(struct ctl_table *table, int write, - struct net *net = table->data; - int platform_labels = net->mpls.platform_labels; - int ret; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .procname = table->procname, - .data = &platform_labels, - .maxlen = sizeof(int), -@@ -1055,7 +1055,7 @@ static const struct ctl_table mpls_table[] = { - - static int mpls_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - net->mpls.platform_labels = 0; - net->mpls.platform_label = NULL; -diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig -index a0f3e6a3..b026fe2 100644 ---- a/net/netfilter/Kconfig -+++ b/net/netfilter/Kconfig -@@ -1112,6 +1112,16 @@ config NETFILTER_XT_MATCH_ESP - - To compile it as a module, choose M here. If unsure, say N. - -+config NETFILTER_XT_MATCH_GRADM -+ tristate '"gradm" match support' -+ depends on NETFILTER_XTABLES && NETFILTER_ADVANCED -+ depends on GRKERNSEC && !GRKERNSEC_NO_RBAC -+ ---help--- -+ The gradm match allows to match on grsecurity RBAC being enabled. -+ It is useful when iptables rules are applied early on bootup to -+ prevent connections to the machine (except from a trusted host) -+ while the RBAC system is disabled. -+ - config NETFILTER_XT_MATCH_HASHLIMIT - tristate '"hashlimit" match support' - depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n) -diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile -index a87d8b8..d43183c 100644 ---- a/net/netfilter/Makefile -+++ b/net/netfilter/Makefile -@@ -139,6 +139,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o - obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o - obj-$(CONFIG_NETFILTER_XT_MATCH_ECN) += xt_ecn.o - obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o -+obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o -diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c -index d259da3..6a32b2c 100644 ---- a/net/netfilter/ipset/ip_set_core.c -+++ b/net/netfilter/ipset/ip_set_core.c -@@ -1952,7 +1952,7 @@ done: - return ret; - } - --static struct nf_sockopt_ops so_set __read_mostly = { -+static struct nf_sockopt_ops so_set = { - .pf = PF_INET, - .get_optmin = SO_IP_SET, - .get_optmax = SO_IP_SET + 1, -diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c -index b0f7b62..0541842 100644 ---- a/net/netfilter/ipvs/ip_vs_conn.c -+++ b/net/netfilter/ipvs/ip_vs_conn.c -@@ -572,7 +572,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest) - /* Increase the refcnt counter of the dest */ - ip_vs_dest_hold(dest); - -- conn_flags = atomic_read(&dest->conn_flags); -+ conn_flags = atomic_read_unchecked(&dest->conn_flags); - if (cp->protocol != IPPROTO_UDP) - conn_flags &= ~IP_VS_CONN_F_ONE_PACKET; - flags = cp->flags; -@@ -922,7 +922,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af, - - cp->control = NULL; - atomic_set(&cp->n_control, 0); -- atomic_set(&cp->in_pkts, 0); -+ atomic_set_unchecked(&cp->in_pkts, 0); - - cp->packet_xmit = NULL; - cp->app = NULL; -@@ -1229,7 +1229,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp) - - /* Don't drop the entry if its number of incoming packets is not - located in [0, 8] */ -- i = atomic_read(&cp->in_pkts); -+ i = atomic_read_unchecked(&cp->in_pkts); - if (i > 8 || i < 0) return 0; - - if (!todrop_rate[i]) return 0; -diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c -index 5d2b806..9005b29 100644 ---- a/net/netfilter/ipvs/ip_vs_core.c -+++ b/net/netfilter/ipvs/ip_vs_core.c -@@ -574,7 +574,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, - ret = cp->packet_xmit(skb, cp, pd->pp, iph); - /* do not touch skb anymore */ - -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - ip_vs_conn_put(cp); - return ret; - } -@@ -1750,7 +1750,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af) - if (cp->flags & IP_VS_CONN_F_ONE_PACKET) - pkts = sysctl_sync_threshold(ipvs); - else -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - - if (ipvs->sync_state & IP_VS_STATE_MASTER) - ip_vs_sync_conn(net, cp, pkts); -diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c -index 285eae3..226f4a7 100644 ---- a/net/netfilter/ipvs/ip_vs_ctl.c -+++ b/net/netfilter/ipvs/ip_vs_ctl.c -@@ -814,7 +814,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, - */ - ip_vs_rs_hash(ipvs, dest); - } -- atomic_set(&dest->conn_flags, conn_flags); -+ atomic_set_unchecked(&dest->conn_flags, conn_flags); - - /* bind the service */ - old_svc = rcu_dereference_protected(dest->svc, 1); -@@ -1679,7 +1679,7 @@ proc_do_sync_ports(struct ctl_table *table, int write, - * align with netns init in ip_vs_control_net_init() - */ - --static struct ctl_table vs_vars[] = { -+static ctl_table_no_const vs_vars[] __read_only = { - { - .procname = "amemthresh", - .maxlen = sizeof(int), -@@ -2020,7 +2020,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) - " %-7s %-6d %-10d %-10d\n", - &dest->addr.in6, - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2031,7 +2031,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) - "%-7s %-6d %-10d %-10d\n", - ntohl(dest->addr.ip), - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2528,7 +2528,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get, - - entry.addr = dest->addr.ip; - entry.port = dest->port; -- entry.conn_flags = atomic_read(&dest->conn_flags); -+ entry.conn_flags = atomic_read_unchecked(&dest->conn_flags); - entry.weight = atomic_read(&dest->weight); - entry.u_threshold = dest->u_threshold; - entry.l_threshold = dest->l_threshold; -@@ -3101,7 +3101,7 @@ static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest) - if (nla_put(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr) || - nla_put_be16(skb, IPVS_DEST_ATTR_PORT, dest->port) || - nla_put_u32(skb, IPVS_DEST_ATTR_FWD_METHOD, -- (atomic_read(&dest->conn_flags) & -+ (atomic_read_unchecked(&dest->conn_flags) & - IP_VS_CONN_F_FWD_MASK)) || - nla_put_u32(skb, IPVS_DEST_ATTR_WEIGHT, - atomic_read(&dest->weight)) || -@@ -3739,7 +3739,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net) - { - int idx; - struct netns_ipvs *ipvs = net_ipvs(net); -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl; - - atomic_set(&ipvs->dropentry, 0); - spin_lock_init(&ipvs->dropentry_lock); -diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c -index 127f140..553d652 100644 ---- a/net/netfilter/ipvs/ip_vs_lblc.c -+++ b/net/netfilter/ipvs/ip_vs_lblc.c -@@ -118,7 +118,7 @@ struct ip_vs_lblc_table { - * IPVS LBLC sysctl table - */ - #ifdef CONFIG_SYSCTL --static struct ctl_table vs_vars_table[] = { -+static ctl_table_no_const vs_vars_table[] __read_only = { - { - .procname = "lblc_expiration", - .data = NULL, -diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c -index 2229d2d..b32b785 100644 ---- a/net/netfilter/ipvs/ip_vs_lblcr.c -+++ b/net/netfilter/ipvs/ip_vs_lblcr.c -@@ -289,7 +289,7 @@ struct ip_vs_lblcr_table { - * IPVS LBLCR sysctl table - */ - --static struct ctl_table vs_vars_table[] = { -+static ctl_table_no_const vs_vars_table[] __read_only = { - { - .procname = "lblcr_expiration", - .data = NULL, -diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c -index 19b9cce..e4f3112 100644 ---- a/net/netfilter/ipvs/ip_vs_sync.c -+++ b/net/netfilter/ipvs/ip_vs_sync.c -@@ -609,7 +609,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp, - cp = cp->control; - if (cp) { - if (cp->flags & IP_VS_CONN_F_TEMPLATE) -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - else - pkts = sysctl_sync_threshold(ipvs); - ip_vs_sync_conn(net, cp->control, pkts); -@@ -771,7 +771,7 @@ control: - if (!cp) - return; - if (cp->flags & IP_VS_CONN_F_TEMPLATE) -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - else - pkts = sysctl_sync_threshold(ipvs); - goto sloop; -@@ -919,7 +919,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param, - - if (opt) - memcpy(&cp->in_seq, opt, sizeof(*opt)); -- atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs)); -+ atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs)); - cp->state = state; - cp->old_state = cp->state; - /* -diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c -index 19986ec..416dbc5 100644 ---- a/net/netfilter/ipvs/ip_vs_xmit.c -+++ b/net/netfilter/ipvs/ip_vs_xmit.c -@@ -1215,7 +1215,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -@@ -1308,7 +1308,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp, - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c -index 45da11a..ef3e5dc 100644 ---- a/net/netfilter/nf_conntrack_acct.c -+++ b/net/netfilter/nf_conntrack_acct.c -@@ -64,7 +64,7 @@ static struct nf_ct_ext_type acct_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_acct_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(acct_sysctl_table, sizeof(acct_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c -index 13fad86..18c984c 100644 ---- a/net/netfilter/nf_conntrack_core.c -+++ b/net/netfilter/nf_conntrack_core.c -@@ -1733,6 +1733,10 @@ void nf_conntrack_init_end(void) - #define DYING_NULLS_VAL ((1<<30)+1) - #define TEMPLATE_NULLS_VAL ((1<<30)+2) - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t conntrack_cache_id = ATOMIC_INIT(0); -+#endif -+ - int nf_conntrack_init_net(struct net *net) - { - int ret = -ENOMEM; -@@ -1758,7 +1762,11 @@ int nf_conntrack_init_net(struct net *net) - if (!net->ct.stat) - goto err_pcpu_lists; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08x", atomic_inc_return_unchecked(&conntrack_cache_id)); -+#else - net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net); -+#endif - if (!net->ct.slabname) - goto err_slabname; - -diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c -index 4e78c57..ec8fb74 100644 ---- a/net/netfilter/nf_conntrack_ecache.c -+++ b/net/netfilter/nf_conntrack_ecache.c -@@ -264,7 +264,7 @@ static struct nf_ct_ext_type event_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_event_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(event_sysctl_table, sizeof(event_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c -index bd9d315..989947e 100644 ---- a/net/netfilter/nf_conntrack_helper.c -+++ b/net/netfilter/nf_conntrack_helper.c -@@ -57,7 +57,7 @@ static struct ctl_table helper_sysctl_table[] = { - - static int nf_conntrack_helper_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(helper_sysctl_table, sizeof(helper_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c -index b65d586..beec902 100644 ---- a/net/netfilter/nf_conntrack_proto.c -+++ b/net/netfilter/nf_conntrack_proto.c -@@ -52,7 +52,7 @@ nf_ct_register_sysctl(struct net *net, - - static void - nf_ct_unregister_sysctl(struct ctl_table_header **header, -- struct ctl_table **table, -+ ctl_table_no_const **table, - unsigned int users) - { - if (users > 0) -diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c -index fc823fa..8311af3 100644 ---- a/net/netfilter/nf_conntrack_standalone.c -+++ b/net/netfilter/nf_conntrack_standalone.c -@@ -468,7 +468,7 @@ static struct ctl_table nf_ct_netfilter_table[] = { - - static int nf_conntrack_standalone_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(nf_ct_sysctl_table, sizeof(nf_ct_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c -index 7a394df..bd91a8a 100644 ---- a/net/netfilter/nf_conntrack_timestamp.c -+++ b/net/netfilter/nf_conntrack_timestamp.c -@@ -42,7 +42,7 @@ static struct nf_ct_ext_type tstamp_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_tstamp_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(tstamp_sysctl_table, sizeof(tstamp_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c -index 675d12c..b36e825 100644 ---- a/net/netfilter/nf_log.c -+++ b/net/netfilter/nf_log.c -@@ -386,7 +386,7 @@ static const struct file_operations nflog_file_ops = { - - #ifdef CONFIG_SYSCTL - static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3]; --static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1]; -+static ctl_table_no_const nf_log_sysctl_table[NFPROTO_NUMPROTO+1] __read_only; - - static int nf_log_proc_dostring(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -@@ -417,13 +417,15 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write, - rcu_assign_pointer(net->nf.nf_loggers[tindex], logger); - mutex_unlock(&nf_log_mutex); - } else { -+ ctl_table_no_const nf_log_table = *table; -+ - mutex_lock(&nf_log_mutex); - logger = nft_log_dereference(net->nf.nf_loggers[tindex]); - if (!logger) -- table->data = "NONE"; -+ nf_log_table.data = "NONE"; - else -- table->data = logger->name; -- r = proc_dostring(table, write, buffer, lenp, ppos); -+ nf_log_table.data = logger->name; -+ r = proc_dostring(&nf_log_table, write, buffer, lenp, ppos); - mutex_unlock(&nf_log_mutex); - } - -diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c -index c68c1e5..8b5d670 100644 ---- a/net/netfilter/nf_sockopt.c -+++ b/net/netfilter/nf_sockopt.c -@@ -43,7 +43,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) - } - } - -- list_add(&reg->list, &nf_sockopts); -+ pax_list_add((struct list_head *)&reg->list, &nf_sockopts); - out: - mutex_unlock(&nf_sockopt_mutex); - return ret; -@@ -53,7 +53,7 @@ EXPORT_SYMBOL(nf_register_sockopt); - void nf_unregister_sockopt(struct nf_sockopt_ops *reg) - { - mutex_lock(&nf_sockopt_mutex); -- list_del(&reg->list); -+ pax_list_del((struct list_head *)&reg->list); - mutex_unlock(&nf_sockopt_mutex); - } - EXPORT_SYMBOL(nf_unregister_sockopt); -diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c -index 4ef1fae..f72f08b 100644 ---- a/net/netfilter/nfnetlink_log.c -+++ b/net/netfilter/nfnetlink_log.c -@@ -84,7 +84,7 @@ static int nfnl_log_net_id __read_mostly; - struct nfnl_log_net { - spinlock_t instances_lock; - struct hlist_head instance_table[INSTANCE_BUCKETS]; -- atomic_t global_seq; -+ atomic_unchecked_t global_seq; - }; - - static struct nfnl_log_net *nfnl_log_pernet(struct net *net) -@@ -572,7 +572,7 @@ __build_packet_message(struct nfnl_log_net *log, - /* global sequence number */ - if ((inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) && - nla_put_be32(inst->skb, NFULA_SEQ_GLOBAL, -- htonl(atomic_inc_return(&log->global_seq)))) -+ htonl(atomic_inc_return_unchecked(&log->global_seq)))) - goto nla_put_failure; - - if (data_len) { -diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c -index 7f29cfc..917ef5f 100644 ---- a/net/netfilter/nft_compat.c -+++ b/net/netfilter/nft_compat.c -@@ -321,14 +321,7 @@ static void nft_match_eval(const struct nft_expr *expr, - return; - } - -- switch (ret ? 1 : 0) { -- case 1: -- regs->verdict.code = NFT_CONTINUE; -- break; -- case 0: -- regs->verdict.code = NFT_BREAK; -- break; -- } -+ regs->verdict.code = ret ? NFT_CONTINUE : NFT_BREAK; - } - - static const struct nla_policy nft_match_policy[NFTA_MATCH_MAX + 1] = { -diff --git a/net/netfilter/xt_gradm.c b/net/netfilter/xt_gradm.c -new file mode 100644 -index 0000000..c566332 ---- /dev/null -+++ b/net/netfilter/xt_gradm.c -@@ -0,0 +1,51 @@ -+/* -+ * gradm match for netfilter -+ * Copyright © Zbigniew Krzystolik, 2010 -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License; either version -+ * 2 or 3 as published by the Free Software Foundation. -+ */ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter/x_tables.h> -+#include <linux/grsecurity.h> -+#include <linux/netfilter/xt_gradm.h> -+ -+static bool -+gradm_mt(const struct sk_buff *skb, struct xt_action_param *par) -+{ -+ const struct xt_gradm_mtinfo *info = par->matchinfo; -+ bool retval = false; -+ if (gr_acl_is_enabled()) -+ retval = true; -+ return retval ^ info->invflags; -+} -+ -+static struct xt_match gradm_mt_reg __read_mostly = { -+ .name = "gradm", -+ .revision = 0, -+ .family = NFPROTO_UNSPEC, -+ .match = gradm_mt, -+ .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)), -+ .me = THIS_MODULE, -+}; -+ -+static int __init gradm_mt_init(void) -+{ -+ return xt_register_match(&gradm_mt_reg); -+} -+ -+static void __exit gradm_mt_exit(void) -+{ -+ xt_unregister_match(&gradm_mt_reg); -+} -+ -+module_init(gradm_mt_init); -+module_exit(gradm_mt_exit); -+MODULE_AUTHOR("Zbigniew Krzystolik <zbyniu(a)destrukcja.pl>"); -+MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("ipt_gradm"); -+MODULE_ALIAS("ip6t_gradm"); -diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c -index 1786968..1ec6dac 100644 ---- a/net/netfilter/xt_hashlimit.c -+++ b/net/netfilter/xt_hashlimit.c -@@ -869,11 +869,11 @@ static int __net_init hashlimit_proc_net_init(struct net *net) - { - struct hashlimit_net *hashlimit_net = hashlimit_pernet(net); - -- hashlimit_net->ipt_hashlimit = proc_mkdir("ipt_hashlimit", net->proc_net); -+ hashlimit_net->ipt_hashlimit = proc_mkdir_restrict("ipt_hashlimit", net->proc_net); - if (!hashlimit_net->ipt_hashlimit) - return -ENOMEM; - #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) -- hashlimit_net->ip6t_hashlimit = proc_mkdir("ip6t_hashlimit", net->proc_net); -+ hashlimit_net->ip6t_hashlimit = proc_mkdir_restrict("ip6t_hashlimit", net->proc_net); - if (!hashlimit_net->ip6t_hashlimit) { - remove_proc_entry("ipt_hashlimit", net->proc_net); - return -ENOMEM; -diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c -index 45e1b30..a764f94 100644 ---- a/net/netfilter/xt_recent.c -+++ b/net/netfilter/xt_recent.c -@@ -642,7 +642,7 @@ static int __net_init recent_proc_net_init(struct net *net) - { - struct recent_net *recent_net = recent_pernet(net); - -- recent_net->xt_recent = proc_mkdir("xt_recent", net->proc_net); -+ recent_net->xt_recent = proc_mkdir_restrict("xt_recent", net->proc_net); - if (!recent_net->xt_recent) - return -ENOMEM; - return 0; -diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c -index 11de55e..f25e448 100644 ---- a/net/netfilter/xt_statistic.c -+++ b/net/netfilter/xt_statistic.c -@@ -19,7 +19,7 @@ - #include <linux/module.h> - - struct xt_statistic_priv { -- atomic_t count; -+ atomic_unchecked_t count; - } ____cacheline_aligned_in_smp; - - MODULE_LICENSE("GPL"); -@@ -42,9 +42,9 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par) - break; - case XT_STATISTIC_MODE_NTH: - do { -- oval = atomic_read(&info->master->count); -+ oval = atomic_read_unchecked(&info->master->count); - nval = (oval == info->u.nth.every) ? 0 : oval + 1; -- } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval); -+ } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval); - if (nval == 0) - ret = !ret; - break; -@@ -64,7 +64,7 @@ static int statistic_mt_check(const struct xt_mtchk_param *par) - info->master = kzalloc(sizeof(*info->master), GFP_KERNEL); - if (info->master == NULL) - return -ENOMEM; -- atomic_set(&info->master->count, info->u.nth.count); -+ atomic_set_unchecked(&info->master->count, info->u.nth.count); - - return 0; - } -diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c -index bf6e766..be67817 100644 ---- a/net/netlink/af_netlink.c -+++ b/net/netlink/af_netlink.c -@@ -262,7 +262,7 @@ static void netlink_overrun(struct sock *sk) - sk->sk_error_report(sk); - } - } -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - } - - static void netlink_rcv_wake(struct sock *sk) -@@ -3014,7 +3014,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v) - sk_wmem_alloc_get(s), - nlk->cb_running, - atomic_read(&s->sk_refcnt), -- atomic_read(&s->sk_drops), -+ atomic_read_unchecked(&s->sk_drops), - sock_i_ino(s) - ); - -diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c -index 6a55f71..e88c937 100644 ---- a/net/openvswitch/vport-internal_dev.c -+++ b/net/openvswitch/vport-internal_dev.c -@@ -124,7 +124,7 @@ static const struct net_device_ops internal_dev_netdev_ops = { - .ndo_get_stats64 = internal_dev_get_stats, - }; - --static struct rtnl_link_ops internal_dev_link_ops __read_mostly = { -+static struct rtnl_link_ops internal_dev_link_ops = { - .kind = "openvswitch", - }; - -diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c -index 067a3ff..9ecc05c 100644 ---- a/net/openvswitch/vport.c -+++ b/net/openvswitch/vport.c -@@ -303,10 +303,10 @@ void ovs_vport_get_stats(struct vport *vport, struct ovs_vport_stats *stats) - * netdev-stats can be directly read over netlink-ioctl. - */ - -- stats->rx_errors = atomic_long_read(&vport->err_stats.rx_errors); -- stats->tx_errors = atomic_long_read(&vport->err_stats.tx_errors); -- stats->tx_dropped = atomic_long_read(&vport->err_stats.tx_dropped); -- stats->rx_dropped = atomic_long_read(&vport->err_stats.rx_dropped); -+ stats->rx_errors = atomic_long_read_unchecked(&vport->err_stats.rx_errors); -+ stats->tx_errors = atomic_long_read_unchecked(&vport->err_stats.tx_errors); -+ stats->tx_dropped = atomic_long_read_unchecked(&vport->err_stats.tx_dropped); -+ stats->rx_dropped = atomic_long_read_unchecked(&vport->err_stats.rx_dropped); - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *percpu_stats; -@@ -538,19 +538,19 @@ static void ovs_vport_record_error(struct vport *vport, - { - switch (err_type) { - case VPORT_E_RX_DROPPED: -- atomic_long_inc(&vport->err_stats.rx_dropped); -+ atomic_long_inc_unchecked(&vport->err_stats.rx_dropped); - break; - - case VPORT_E_RX_ERROR: -- atomic_long_inc(&vport->err_stats.rx_errors); -+ atomic_long_inc_unchecked(&vport->err_stats.rx_errors); - break; - - case VPORT_E_TX_DROPPED: -- atomic_long_inc(&vport->err_stats.tx_dropped); -+ atomic_long_inc_unchecked(&vport->err_stats.tx_dropped); - break; - - case VPORT_E_TX_ERROR: -- atomic_long_inc(&vport->err_stats.tx_errors); -+ atomic_long_inc_unchecked(&vport->err_stats.tx_errors); - break; - } - -diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h -index bc85331..0d3dce0 100644 ---- a/net/openvswitch/vport.h -+++ b/net/openvswitch/vport.h -@@ -71,10 +71,10 @@ int ovs_vport_get_egress_tun_info(struct vport *vport, struct sk_buff *skb, - /* The following definitions are for implementers of vport devices: */ - - struct vport_err_stats { -- atomic_long_t rx_dropped; -- atomic_long_t rx_errors; -- atomic_long_t tx_dropped; -- atomic_long_t tx_errors; -+ atomic_long_unchecked_t rx_dropped; -+ atomic_long_unchecked_t rx_errors; -+ atomic_long_unchecked_t tx_dropped; -+ atomic_long_unchecked_t tx_errors; - }; - /** - * struct vport_portids - array of netlink portids of a vport. -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index fe1610d..ec1c87f 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -275,7 +275,7 @@ static int packet_direct_xmit(struct sk_buff *skb) - - return ret; - drop: -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - kfree_skb(skb); - return NET_XMIT_DROP; - } -@@ -1848,7 +1848,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, - drop_n_acct: - spin_lock(&sk->sk_receive_queue.lock); - po->stats.stats1.tp_drops++; -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - spin_unlock(&sk->sk_receive_queue.lock); - - drop_n_restore: -@@ -3514,7 +3514,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, - case PACKET_HDRLEN: - if (len > sizeof(int)) - len = sizeof(int); -- if (copy_from_user(&val, optval, len)) -+ if (len > sizeof(val) || copy_from_user(&val, optval, len)) - return -EFAULT; - switch (val) { - case TPACKET_V1: -@@ -3560,7 +3560,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, - len = lv; - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, data, len)) -+ if (len > sizeof(st) || copy_to_user(optval, data, len)) - return -EFAULT; - return 0; - } -diff --git a/net/phonet/pep.c b/net/phonet/pep.c -index 6de2aeb..1f8afe8 100644 ---- a/net/phonet/pep.c -+++ b/net/phonet/pep.c -@@ -388,7 +388,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) - - case PNS_PEP_CTRL_REQ: - if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - break; - } - __skb_pull(skb, 4); -@@ -409,7 +409,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = -ENOBUFS; - break; - } -@@ -579,7 +579,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb) - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = NET_RX_DROP; - break; - } -diff --git a/net/phonet/socket.c b/net/phonet/socket.c -index d575ef4..1dedc31 100644 ---- a/net/phonet/socket.c -+++ b/net/phonet/socket.c -@@ -611,7 +611,7 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v) - from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)), - sock_i_ino(sk), - atomic_read(&sk->sk_refcnt), sk, -- atomic_read(&sk->sk_drops)); -+ atomic_read_unchecked(&sk->sk_drops)); - } - seq_pad(seq, '\n'); - return 0; -diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c -index c02a8c4..3c5b600 100644 ---- a/net/phonet/sysctl.c -+++ b/net/phonet/sysctl.c -@@ -67,7 +67,7 @@ static int proc_local_port_range(struct ctl_table *table, int write, - { - int ret; - int range[2] = {local_port_range[0], local_port_range[1]}; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &range, - .maxlen = sizeof(range), - .mode = table->mode, -diff --git a/net/rds/cong.c b/net/rds/cong.c -index e6144b8..4f9fda6 100644 ---- a/net/rds/cong.c -+++ b/net/rds/cong.c -@@ -78,7 +78,7 @@ - * finds that the saved generation number is smaller than the global generation - * number, it wakes up the process. - */ --static atomic_t rds_cong_generation = ATOMIC_INIT(0); -+static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0); - - /* - * Congestion monitoring -@@ -247,7 +247,7 @@ void rds_cong_map_updated(struct rds_cong_map *map, uint64_t portmask) - rdsdebug("waking map %p for %pI4\n", - map, &map->m_addr); - rds_stats_inc(s_cong_update_received); -- atomic_inc(&rds_cong_generation); -+ atomic_inc_unchecked(&rds_cong_generation); - if (waitqueue_active(&map->m_waitq)) - wake_up(&map->m_waitq); - if (waitqueue_active(&rds_poll_waitq)) -@@ -273,7 +273,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated); - - int rds_cong_updated_since(unsigned long *recent) - { -- unsigned long gen = atomic_read(&rds_cong_generation); -+ unsigned long gen = atomic_read_unchecked(&rds_cong_generation); - - if (likely(*recent == gen)) - return 0; -diff --git a/net/rds/ib.h b/net/rds/ib.h -index c36d713..af45bf2 100644 ---- a/net/rds/ib.h -+++ b/net/rds/ib.h -@@ -128,7 +128,7 @@ struct rds_ib_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c -index 8a09ee7..45e2b64 100644 ---- a/net/rds/ib_cm.c -+++ b/net/rds/ib_cm.c -@@ -726,7 +726,7 @@ void rds_ib_conn_shutdown(struct rds_connection *conn) - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c -index 1b981a4..ae44b0c 100644 ---- a/net/rds/ib_recv.c -+++ b/net/rds/ib_recv.c -@@ -581,7 +581,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic) - static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_atomic(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -593,7 +593,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_atomic(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff --git a/net/rds/info.c b/net/rds/info.c -index 9a6b4f6..140a44a 100644 ---- a/net/rds/info.c -+++ b/net/rds/info.c -@@ -176,7 +176,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval, - - /* check for all kinds of wrapping and the like */ - start = (unsigned long)optval; -- if (len < 0 || len + PAGE_SIZE - 1 < len || start + len < start) { -+ if (len < 0 || len > INT_MAX - PAGE_SIZE + 1 || start + len < start) { - ret = -EINVAL; - goto out; - } -diff --git a/net/rds/iw.h b/net/rds/iw.h -index cbe6674..dc9eb89 100644 ---- a/net/rds/iw.h -+++ b/net/rds/iw.h -@@ -134,7 +134,7 @@ struct rds_iw_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c -index a6c2bea..e520995 100644 ---- a/net/rds/iw_cm.c -+++ b/net/rds/iw_cm.c -@@ -663,7 +663,7 @@ void rds_iw_conn_shutdown(struct rds_connection *conn) - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c -index a66d179..cf1e258 100644 ---- a/net/rds/iw_recv.c -+++ b/net/rds/iw_recv.c -@@ -412,7 +412,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic) - static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_atomic(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -424,7 +424,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_atomic(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff --git a/net/rds/rds.h b/net/rds/rds.h -index 0d41155..80cc278 100644 ---- a/net/rds/rds.h -+++ b/net/rds/rds.h -@@ -449,7 +449,7 @@ struct rds_transport { - void (*sync_mr)(void *trans_private, int direction); - void (*free_mr)(void *trans_private, int invalidate); - void (*flush_mrs)(void); --}; -+} __do_const; - - struct rds_sock { - struct sock rs_sk; -diff --git a/net/rds/tcp.c b/net/rds/tcp.c -index edac9ef..16bcb98 100644 ---- a/net/rds/tcp.c -+++ b/net/rds/tcp.c -@@ -59,7 +59,7 @@ void rds_tcp_nonagle(struct socket *sock) - int val = 1; - - set_fs(KERNEL_DS); -- sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __user *)&val, -+ sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __force_user *)&val, - sizeof(val)); - set_fs(oldfs); - } -diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c -index 53b17ca..45463e7 100644 ---- a/net/rds/tcp_send.c -+++ b/net/rds/tcp_send.c -@@ -43,7 +43,7 @@ static void rds_tcp_cork(struct socket *sock, int val) - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __user *)&val, -+ sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __force_user *)&val, - sizeof(val)); - set_fs(oldfs); - } -diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c -index 0095b9a..e95c49b 100644 ---- a/net/rxrpc/af_rxrpc.c -+++ b/net/rxrpc/af_rxrpc.c -@@ -40,7 +40,7 @@ static const struct proto_ops rxrpc_rpc_ops; - __be32 rxrpc_epoch; - - /* current debugging ID */ --atomic_t rxrpc_debug_id; -+atomic_unchecked_t rxrpc_debug_id; - - /* count of skbs currently in use */ - atomic_t rxrpc_n_skbs; -diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c -index e0547f5..a171f7a 100644 ---- a/net/rxrpc/ar-ack.c -+++ b/net/rxrpc/ar-ack.c -@@ -224,7 +224,7 @@ static void rxrpc_resend(struct rxrpc_call *call) - - _enter("{%d,%d,%d,%d},", - call->acks_hard, call->acks_unacked, -- atomic_read(&call->sequence), -+ atomic_read_unchecked(&call->sequence), - CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz)); - - stop = false; -@@ -248,7 +248,7 @@ static void rxrpc_resend(struct rxrpc_call *call) - - /* each Tx packet has a new serial number */ - sp->hdr.serial = -- htonl(atomic_inc_return(&call->conn->serial)); -+ htonl(atomic_inc_return_unchecked(&call->conn->serial)); - - hdr = (struct rxrpc_header *) txb->head; - hdr->serial = sp->hdr.serial; -@@ -452,7 +452,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, u32 hard) - */ - static void rxrpc_clear_tx_window(struct rxrpc_call *call) - { -- rxrpc_rotate_tx_window(call, atomic_read(&call->sequence)); -+ rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence)); - } - - /* -@@ -678,7 +678,7 @@ process_further: - - latest = ntohl(sp->hdr.serial); - hard = ntohl(ack.firstPacket); -- tx = atomic_read(&call->sequence); -+ tx = atomic_read_unchecked(&call->sequence); - - _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - latest, -@@ -1210,7 +1210,7 @@ void rxrpc_process_call(struct work_struct *work) - goto maybe_reschedule; - - send_ACK_with_skew: -- ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) - -+ ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) - - ntohl(ack.serial)); - send_ACK: - mtu = call->conn->trans->peer->if_mtu; -@@ -1222,7 +1222,7 @@ send_ACK: - ackinfo.rxMTU = htonl(rxrpc_rx_mtu); - ackinfo.jumbo_max = htonl(rxrpc_rx_jumbo_max); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - ntohl(hdr.serial), - ntohs(ack.maxSkew), -@@ -1240,7 +1240,7 @@ send_ACK: - send_message: - _debug("send message"); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial)); - send_message_2: - -diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c -index a9e05db..194e793 100644 ---- a/net/rxrpc/ar-call.c -+++ b/net/rxrpc/ar-call.c -@@ -232,7 +232,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) - spin_lock_init(&call->lock); - rwlock_init(&call->state_lock); - atomic_set(&call->usage, 1); -- call->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - call->state = RXRPC_CALL_CLIENT_SEND_REQUEST; - - memset(&call->sock_node, 0xed, sizeof(call->sock_node)); -diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c -index 6631f4f..bfdf056 100644 ---- a/net/rxrpc/ar-connection.c -+++ b/net/rxrpc/ar-connection.c -@@ -210,7 +210,7 @@ static struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp) - rwlock_init(&conn->lock); - spin_lock_init(&conn->state_lock); - atomic_set(&conn->usage, 1); -- conn->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - conn->avail_calls = RXRPC_MAXCALLS; - conn->size_align = 4; - conn->header_size = sizeof(struct rxrpc_header); -diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c -index e7ed43a..6afa140 100644 ---- a/net/rxrpc/ar-connevent.c -+++ b/net/rxrpc/ar-connevent.c -@@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn, - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c -index 4505a69..fe73096 100644 ---- a/net/rxrpc/ar-input.c -+++ b/net/rxrpc/ar-input.c -@@ -331,9 +331,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb) - /* track the latest serial number on this connection for ACK packet - * information */ - serial = ntohl(sp->hdr.serial); -- hi_serial = atomic_read(&call->conn->hi_serial); -+ hi_serial = atomic_read_unchecked(&call->conn->hi_serial); - while (serial > hi_serial) -- hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial, -+ hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial, - serial); - - /* request ACK generation for any ACK or DATA packet that requests -diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h -index aef1bd2..97736c3 100644 ---- a/net/rxrpc/ar-internal.h -+++ b/net/rxrpc/ar-internal.h -@@ -274,8 +274,8 @@ struct rxrpc_connection { - int error; /* error code for local abort */ - int debug_id; /* debug ID for printks */ - unsigned int call_counter; /* call ID counter */ -- atomic_t serial; /* packet serial number counter */ -- atomic_t hi_serial; /* highest serial number received */ -+ atomic_unchecked_t serial; /* packet serial number counter */ -+ atomic_unchecked_t hi_serial; /* highest serial number received */ - u8 avail_calls; /* number of calls available */ - u8 size_align; /* data size alignment (for security) */ - u8 header_size; /* rxrpc + security header size */ -@@ -348,7 +348,7 @@ struct rxrpc_call { - spinlock_t lock; - rwlock_t state_lock; /* lock for state transition */ - atomic_t usage; -- atomic_t sequence; /* Tx data packet sequence counter */ -+ atomic_unchecked_t sequence; /* Tx data packet sequence counter */ - u32 abort_code; /* local/remote abort code */ - enum { /* current state of call */ - RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */ -@@ -433,7 +433,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code) - */ - extern atomic_t rxrpc_n_skbs; - extern __be32 rxrpc_epoch; --extern atomic_t rxrpc_debug_id; -+extern atomic_unchecked_t rxrpc_debug_id; - extern struct workqueue_struct *rxrpc_workqueue; - - /* -diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c -index ca904ed..16082d5 100644 ---- a/net/rxrpc/ar-local.c -+++ b/net/rxrpc/ar-local.c -@@ -53,7 +53,7 @@ struct rxrpc_local *rxrpc_alloc_local(struct sockaddr_rxrpc *srx) - spin_lock_init(&local->lock); - rwlock_init(&local->services_lock); - atomic_set(&local->usage, 1); -- local->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&local->srx, srx, sizeof(*srx)); - } - -diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c -index c004280..ab1ed5a 100644 ---- a/net/rxrpc/ar-output.c -+++ b/net/rxrpc/ar-output.c -@@ -648,14 +648,14 @@ static int rxrpc_send_data(struct rxrpc_sock *rx, - memset(skb_put(skb, pad), 0, pad); - } - -- seq = atomic_inc_return(&call->sequence); -+ seq = atomic_inc_return_unchecked(&call->sequence); - - sp->hdr.epoch = conn->epoch; - sp->hdr.cid = call->cid; - sp->hdr.callNumber = call->call_id; - sp->hdr.seq = htonl(seq); - sp->hdr.serial = -- htonl(atomic_inc_return(&conn->serial)); -+ htonl(atomic_inc_return_unchecked(&conn->serial)); - sp->hdr.type = RXRPC_PACKET_TYPE_DATA; - sp->hdr.userStatus = 0; - sp->hdr.securityIndex = conn->security_ix; -diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c -index bebaa43..2644591 100644 ---- a/net/rxrpc/ar-peer.c -+++ b/net/rxrpc/ar-peer.c -@@ -72,7 +72,7 @@ static struct rxrpc_peer *rxrpc_alloc_peer(struct sockaddr_rxrpc *srx, - INIT_LIST_HEAD(&peer->error_targets); - spin_lock_init(&peer->lock); - atomic_set(&peer->usage, 1); -- peer->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&peer->srx, srx, sizeof(*srx)); - - rxrpc_assess_MTU_size(peer); -diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c -index 38047f7..9f48511 100644 ---- a/net/rxrpc/ar-proc.c -+++ b/net/rxrpc/ar-proc.c -@@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) - atomic_read(&conn->usage), - rxrpc_conn_states[conn->state], - key_serial(conn->key), -- atomic_read(&conn->serial), -- atomic_read(&conn->hi_serial)); -+ atomic_read_unchecked(&conn->serial), -+ atomic_read_unchecked(&conn->hi_serial)); - - return 0; - } -diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c -index 1976dec..aa70be5 100644 ---- a/net/rxrpc/ar-transport.c -+++ b/net/rxrpc/ar-transport.c -@@ -51,7 +51,7 @@ static struct rxrpc_transport *rxrpc_alloc_transport(struct rxrpc_local *local, - spin_lock_init(&trans->client_lock); - rwlock_init(&trans->conn_lock); - atomic_set(&trans->usage, 1); -- trans->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - - if (peer->srx.transport.family == AF_INET) { - switch (peer->srx.transport_type) { -diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c -index f226709..0e735a8 100644 ---- a/net/rxrpc/rxkad.c -+++ b/net/rxrpc/rxkad.c -@@ -610,7 +610,7 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn) - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -@@ -660,7 +660,7 @@ static int rxkad_send_response(struct rxrpc_connection *conn, - - len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len; - -- hdr->serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx RESPONSE %%%u", ntohl(hdr->serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len); -diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c -index dc6a2d3..3b4fb96 100644 ---- a/net/sched/act_bpf.c -+++ b/net/sched/act_bpf.c -@@ -332,6 +332,9 @@ static void tcf_bpf_cleanup(struct tc_action *act, int bind) - bpf_prog_put(prog->filter); - else - bpf_prog_destroy(prog->filter); -+ -+ kfree(prog->bpf_ops); -+ kfree(prog->bpf_name); - } - - static struct tc_action_ops act_bpf_ops __read_mostly = { -diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c -index 91bd9c1..c0b86f2 100644 ---- a/net/sched/cls_bpf.c -+++ b/net/sched/cls_bpf.c -@@ -364,7 +364,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, - goto errout; - - if (oldprog) { -- list_replace_rcu(&prog->link, &oldprog->link); -+ list_replace_rcu(&oldprog->link, &prog->link); - tcf_unbind_filter(tp, &oldprog->res); - call_rcu(&oldprog->rcu, __cls_bpf_delete_prog); - } else { -diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c -index a620c4e..75df923 100644 ---- a/net/sched/cls_flow.c -+++ b/net/sched/cls_flow.c -@@ -419,6 +419,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - if (!fnew) - goto err2; - -+ tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); -+ - fold = (struct flow_filter *)*arg; - if (fold) { - err = -EINVAL; -@@ -480,7 +482,6 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - fnew->mask = ~0U; - fnew->tp = tp; - get_random_bytes(&fnew->hashrnd, 4); -- tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); - } - - fnew->perturb_timer.function = flow_perturbation; -@@ -520,7 +521,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - if (*arg == 0) - list_add_tail_rcu(&fnew->list, &head->filters); - else -- list_replace_rcu(&fnew->list, &fold->list); -+ list_replace_rcu(&fold->list, &fnew->list); - - *arg = (unsigned long)fnew; - -diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c -index c244c45b..4169e55 100644 ---- a/net/sched/sch_fq_codel.c -+++ b/net/sched/sch_fq_codel.c -@@ -162,14 +162,23 @@ static unsigned int fq_codel_drop(struct Qdisc *sch) - skb = dequeue_head(flow); - len = qdisc_pkt_len(skb); - q->backlogs[idx] -= len; -- kfree_skb(skb); - sch->q.qlen--; - qdisc_qstats_drop(sch); - qdisc_qstats_backlog_dec(sch, skb); -+ kfree_skb(skb); - flow->dropped++; - return idx; - } - -+static unsigned int fq_codel_qdisc_drop(struct Qdisc *sch) -+{ -+ unsigned int prev_backlog; -+ -+ prev_backlog = sch->qstats.backlog; -+ fq_codel_drop(sch); -+ return prev_backlog - sch->qstats.backlog; -+} -+ - static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) - { - struct fq_codel_sched_data *q = qdisc_priv(sch); -@@ -598,7 +607,7 @@ static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = { - .enqueue = fq_codel_enqueue, - .dequeue = fq_codel_dequeue, - .peek = qdisc_peek_dequeued, -- .drop = fq_codel_drop, -+ .drop = fq_codel_qdisc_drop, - .init = fq_codel_init, - .reset = fq_codel_reset, - .destroy = fq_codel_destroy, -diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c -index 6efca30..1259f82 100644 ---- a/net/sched/sch_generic.c -+++ b/net/sched/sch_generic.c -@@ -349,7 +349,7 @@ void netif_carrier_on(struct net_device *dev) - if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; -- atomic_inc(&dev->carrier_changes); -+ atomic_inc_unchecked(&dev->carrier_changes); - linkwatch_fire_event(dev); - if (netif_running(dev)) - __netdev_watchdog_up(dev); -@@ -368,7 +368,7 @@ void netif_carrier_off(struct net_device *dev) - if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; -- atomic_inc(&dev->carrier_changes); -+ atomic_inc_unchecked(&dev->carrier_changes); - linkwatch_fire_event(dev); - } - } -diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c -index b877140..0f65ba4 100644 ---- a/net/sched/sch_sfq.c -+++ b/net/sched/sch_sfq.c -@@ -329,10 +329,10 @@ drop: - len = qdisc_pkt_len(skb); - slot->backlog -= len; - sfq_dec(q, x); -- kfree_skb(skb); - sch->q.qlen--; - qdisc_qstats_drop(sch); - qdisc_qstats_backlog_dec(sch, skb); -+ kfree_skb(skb); - return len; - } - -diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c -index 0e4198e..f94193e 100644 ---- a/net/sctp/ipv6.c -+++ b/net/sctp/ipv6.c -@@ -972,7 +972,7 @@ static const struct inet6_protocol sctpv6_protocol = { - .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL, - }; - --static struct sctp_af sctp_af_inet6 = { -+static struct sctp_af sctp_af_inet6 __read_only = { - .sa_family = AF_INET6, - .sctp_xmit = sctp_v6_xmit, - .setsockopt = ipv6_setsockopt, -@@ -1002,7 +1002,7 @@ static struct sctp_af sctp_af_inet6 = { - #endif - }; - --static struct sctp_pf sctp_pf_inet6 = { -+static struct sctp_pf sctp_pf_inet6 __read_only = { - .event_msgname = sctp_inet6_event_msgname, - .skb_msgname = sctp_inet6_skb_msgname, - .af_supported = sctp_inet6_af_supported, -@@ -1029,7 +1029,7 @@ void sctp_v6_pf_init(void) - - void sctp_v6_pf_exit(void) - { -- list_del(&sctp_af_inet6.list); -+ pax_list_del(&sctp_af_inet6.list); - } - - /* Initialize IPv6 support and register with socket layer. */ -diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c -index 53b7acd..e7a0919 100644 ---- a/net/sctp/protocol.c -+++ b/net/sctp/protocol.c -@@ -836,8 +836,10 @@ int sctp_register_af(struct sctp_af *af) - return 0; - } - -+ pax_open_kernel(); - INIT_LIST_HEAD(&af->list); -- list_add_tail(&af->list, &sctp_address_families); -+ pax_close_kernel(); -+ pax_list_add_tail(&af->list, &sctp_address_families); - return 1; - } - -@@ -967,7 +969,7 @@ static inline int sctp_v4_xmit(struct sk_buff *skb, - - static struct sctp_af sctp_af_inet; - --static struct sctp_pf sctp_pf_inet = { -+static struct sctp_pf sctp_pf_inet __read_only = { - .event_msgname = sctp_inet_event_msgname, - .skb_msgname = sctp_inet_skb_msgname, - .af_supported = sctp_inet_af_supported, -@@ -1039,7 +1041,7 @@ static const struct net_protocol sctp_protocol = { - }; - - /* IPv4 address related functions. */ --static struct sctp_af sctp_af_inet = { -+static struct sctp_af sctp_af_inet __read_only = { - .sa_family = AF_INET, - .sctp_xmit = sctp_v4_xmit, - .setsockopt = ip_setsockopt, -@@ -1123,7 +1125,7 @@ static void sctp_v4_pf_init(void) - - static void sctp_v4_pf_exit(void) - { -- list_del(&sctp_af_inet.list); -+ pax_list_del(&sctp_af_inet.list); - } - - static int sctp_v4_protosw_init(void) -diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c -index fef2acd..c705c4f 100644 ---- a/net/sctp/sm_sideeffect.c -+++ b/net/sctp/sm_sideeffect.c -@@ -439,7 +439,7 @@ static void sctp_generate_sack_event(unsigned long data) - sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_SACK); - } - --sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = { -+sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = { - NULL, - sctp_generate_t1_cookie_event, - sctp_generate_t1_init_event, -diff --git a/net/sctp/socket.c b/net/sctp/socket.c -index 5f6c4e6..07880fe 100644 ---- a/net/sctp/socket.c -+++ b/net/sctp/socket.c -@@ -2200,11 +2200,13 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, - { - struct sctp_association *asoc; - struct sctp_ulpevent *event; -+ struct sctp_event_subscribe subscribe; - - if (optlen > sizeof(struct sctp_event_subscribe)) - return -EINVAL; -- if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen)) -+ if (copy_from_user(&subscribe, optval, optlen)) - return -EFAULT; -+ sctp_sk(sk)->subscribe = subscribe; - - if (sctp_sk(sk)->subscribe.sctp_data_io_event) - pr_warn_ratelimited(DEPRECATED "%s (pid %d) " -@@ -4385,13 +4387,16 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len, - static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval, - int __user *optlen) - { -+ struct sctp_event_subscribe subscribe; -+ - if (len <= 0) - return -EINVAL; - if (len > sizeof(struct sctp_event_subscribe)) - len = sizeof(struct sctp_event_subscribe); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len)) -+ subscribe = sctp_sk(sk)->subscribe; -+ if (copy_to_user(optval, &subscribe, len)) - return -EFAULT; - return 0; - } -@@ -4409,6 +4414,8 @@ static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval, - */ - static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optval, int __user *optlen) - { -+ __u32 autoclose; -+ - /* Applicable to UDP-style socket only */ - if (sctp_style(sk, TCP)) - return -EOPNOTSUPP; -@@ -4417,7 +4424,8 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optv - len = sizeof(int); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int))) -+ autoclose = sctp_sk(sk)->autoclose; -+ if (copy_to_user(optval, &autoclose, sizeof(int))) - return -EFAULT; - return 0; - } -@@ -4791,12 +4799,15 @@ static int sctp_getsockopt_delayed_ack(struct sock *sk, int len, - */ - static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval, int __user *optlen) - { -+ struct sctp_initmsg initmsg; -+ - if (len < sizeof(struct sctp_initmsg)) - return -EINVAL; - len = sizeof(struct sctp_initmsg); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len)) -+ initmsg = sctp_sk(sk)->initmsg; -+ if (copy_to_user(optval, &initmsg, len)) - return -EFAULT; - return 0; - } -@@ -4837,6 +4848,8 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, - ->addr_to_user(sp, &temp); - if (space_left < addrlen) - return -ENOMEM; -+ if (addrlen > sizeof(temp) || addrlen < 0) -+ return -EFAULT; - if (copy_to_user(to, &temp, addrlen)) - return -EFAULT; - to += addrlen; -diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c -index 26d50c5..dfae665 100644 ---- a/net/sctp/sysctl.c -+++ b/net/sctp/sysctl.c -@@ -317,7 +317,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write, - loff_t *ppos) - { - struct net *net = current->nsproxy->net_ns; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - bool changed = false; - char *none = "none"; - char tmp[8]; -@@ -365,7 +365,7 @@ static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write, - struct net *net = current->nsproxy->net_ns; - unsigned int min = *(unsigned int *) ctl->extra1; - unsigned int max = *(unsigned int *) ctl->extra2; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int ret, new_value; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -394,7 +394,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write, - struct net *net = current->nsproxy->net_ns; - unsigned int min = *(unsigned int *) ctl->extra1; - unsigned int max = *(unsigned int *) ctl->extra2; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int ret, new_value; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -432,7 +432,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write, - loff_t *ppos) - { - struct net *net = current->nsproxy->net_ns; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int new_value, ret; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -459,7 +459,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write, - - int sctp_sysctl_net_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - int i; - - table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL); -diff --git a/net/socket.c b/net/socket.c -index 884e329..def6df6 100644 ---- a/net/socket.c -+++ b/net/socket.c -@@ -89,6 +89,7 @@ - #include <linux/magic.h> - #include <linux/slab.h> - #include <linux/xattr.h> -+#include <linux/in.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -107,6 +108,7 @@ - #include <linux/atalk.h> - #include <net/busy_poll.h> - #include <linux/errqueue.h> -+#include <linux/grsock.h> - - #ifdef CONFIG_NET_RX_BUSY_POLL - unsigned int sysctl_net_busy_read __read_mostly; -@@ -160,7 +162,7 @@ static const struct file_operations socket_file_ops = { - */ - - static DEFINE_SPINLOCK(net_family_lock); --static const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; -+const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; - - /* - * Statistics counters of the socket lists -@@ -326,7 +328,7 @@ static struct dentry *sockfs_mount(struct file_system_type *fs_type, - &sockfs_dentry_operations, SOCKFS_MAGIC); - } - --static struct vfsmount *sock_mnt __read_mostly; -+struct vfsmount *sock_mnt __read_mostly; - - static struct file_system_type sock_fs_type = { - .name = "sockfs", -@@ -1108,6 +1110,8 @@ int __sock_create(struct net *net, int family, int type, int protocol, - return -EAFNOSUPPORT; - if (type < 0 || type >= SOCK_MAX) - return -EINVAL; -+ if (protocol < 0) -+ return -EINVAL; - - /* Compatibility. - -@@ -1128,6 +1132,20 @@ int __sock_create(struct net *net, int family, int type, int protocol, - if (err) - return err; - -+ if(!kern && !gr_search_socket(family, type, protocol)) { -+ if (rcu_access_pointer(net_families[family]) == NULL) -+ return -EAFNOSUPPORT; -+ else -+ return -EACCES; -+ } -+ -+ if (!kern && gr_handle_sock_all(family, type, protocol)) { -+ if (rcu_access_pointer(net_families[family]) == NULL) -+ return -EAFNOSUPPORT; -+ else -+ return -EACCES; -+ } -+ - /* - * Allocate the socket and allow the family to set things up. if - * the protocol is 0, the family is instructed to select an appropriate -@@ -1379,6 +1397,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) - if (sock) { - err = move_addr_to_kernel(umyaddr, addrlen, &address); - if (err >= 0) { -+ if (gr_handle_sock_server((struct sockaddr *)&address)) { -+ err = -EACCES; -+ goto error; -+ } -+ err = gr_search_bind(sock, (struct sockaddr_in *)&address); -+ if (err) -+ goto error; -+ - err = security_socket_bind(sock, - (struct sockaddr *)&address, - addrlen); -@@ -1387,6 +1413,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) - (struct sockaddr *) - &address, addrlen); - } -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1410,10 +1437,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog) - if ((unsigned int)backlog > somaxconn) - backlog = somaxconn; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ goto error; -+ } -+ -+ err = gr_search_listen(sock); -+ if (err) -+ goto error; -+ - err = security_socket_listen(sock, backlog); - if (!err) - err = sock->ops->listen(sock, backlog); - -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1457,6 +1494,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, - newsock->type = sock->type; - newsock->ops = sock->ops; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ sock_release(newsock); -+ goto out_put; -+ } -+ -+ err = gr_search_accept(sock); -+ if (err) { -+ sock_release(newsock); -+ goto out_put; -+ } -+ - /* - * We don't need try_module_get here, as the listening socket (sock) - * has the protocol module (sock->ops->owner) held. -@@ -1502,6 +1551,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, - fd_install(newfd, newfile); - err = newfd; - -+ gr_attach_curr_ip(newsock->sk); -+ - out_put: - fput_light(sock->file, fput_needed); - out: -@@ -1534,6 +1585,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr, - int, addrlen) - { - struct socket *sock; -+ struct sockaddr *sck; - struct sockaddr_storage address; - int err, fput_needed; - -@@ -1544,6 +1596,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr, - if (err < 0) - goto out_put; - -+ sck = (struct sockaddr *)&address; -+ -+ if (gr_handle_sock_client(sck)) { -+ err = -EACCES; -+ goto out_put; -+ } -+ -+ err = gr_search_connect(sock, (struct sockaddr_in *)sck); -+ if (err) -+ goto out_put; -+ - err = - security_socket_connect(sock, (struct sockaddr *)&address, addrlen); - if (err) -@@ -1625,6 +1688,8 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr, - * the protocol. - */ - -+asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, struct sockaddr __user *, int); -+ - SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len, - unsigned int, flags, struct sockaddr __user *, addr, - int, addr_len) -@@ -1688,7 +1753,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, - struct socket *sock; - struct iovec iov; - struct msghdr msg; -- struct sockaddr_storage address; -+ struct sockaddr_storage address = { }; - int err, err2; - int fput_needed; - -@@ -1930,7 +1995,7 @@ static int ___sys_sendmsg(struct socket *sock, struct user_msghdr __user *msg, - * checking falls down on this. - */ - if (copy_from_user(ctl_buf, -- (void __user __force *)msg_sys->msg_control, -+ (void __force_user *)msg_sys->msg_control, - ctl_len)) - goto out_freectl; - msg_sys->msg_control = ctl_buf; -@@ -2080,7 +2145,7 @@ static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg, - ssize_t err; - - /* kernel mode address */ -- struct sockaddr_storage addr; -+ struct sockaddr_storage addr = { }; - - /* user mode address pointers */ - struct sockaddr __user *uaddr; -@@ -2725,7 +2790,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) - ifr = compat_alloc_user_space(buf_size); - rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8); - -- if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) -+ if (copy_in_user(ifr->ifr_name, ifr32->ifr_name, IFNAMSIZ)) - return -EFAULT; - - if (put_user(convert_in ? rxnfc : compat_ptr(data), -@@ -2836,7 +2901,7 @@ static int bond_ioctl(struct net *net, unsigned int cmd, - old_fs = get_fs(); - set_fs(KERNEL_DS); - err = dev_ioctl(net, cmd, -- (struct ifreq __user __force *) &kifr); -+ (struct ifreq __force_user *) &kifr); - set_fs(old_fs); - - return err; -@@ -2929,7 +2994,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd, - - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = dev_ioctl(net, cmd, (void __user __force *)&ifr); -+ err = dev_ioctl(net, cmd, (void __force_user *)&ifr); - set_fs(old_fs); - - if (cmd == SIOCGIFMAP && !err) { -@@ -3013,7 +3078,7 @@ static int routing_ioctl(struct net *net, struct socket *sock, - ret |= get_user(rtdev, &(ur4->rt_dev)); - if (rtdev) { - ret |= copy_from_user(devname, compat_ptr(rtdev), 15); -- r4.rt_dev = (char __user __force *)devname; -+ r4.rt_dev = (char __force_user *)devname; - devname[15] = 0; - } else - r4.rt_dev = NULL; -@@ -3240,8 +3305,8 @@ int kernel_getsockopt(struct socket *sock, int level, int optname, - int __user *uoptlen; - int err; - -- uoptval = (char __user __force *) optval; -- uoptlen = (int __user __force *) optlen; -+ uoptval = (char __force_user *) optval; -+ uoptlen = (int __force_user *) optlen; - - set_fs(KERNEL_DS); - if (level == SOL_SOCKET) -@@ -3261,7 +3326,7 @@ int kernel_setsockopt(struct socket *sock, int level, int optname, - char __user *uoptval; - int err; - -- uoptval = (char __user __force *) optval; -+ uoptval = (char __force_user *) optval; - - set_fs(KERNEL_DS); - if (level == SOL_SOCKET) -diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c -index 1095be9..815d777 100644 ---- a/net/sunrpc/auth_gss/svcauth_gss.c -+++ b/net/sunrpc/auth_gss/svcauth_gss.c -@@ -1142,7 +1142,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, - uint64_t *handle) - { - struct rsc rsci, *rscp = NULL; -- static atomic64_t ctxhctr; -+ static atomic64_unchecked_t ctxhctr = ATOMIC64_INIT(0); - long long ctxh; - struct gss_api_mech *gm = NULL; - time_t expiry; -@@ -1153,7 +1153,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, - status = -ENOMEM; - /* the handle needs to be just a unique id, - * use a static counter */ -- ctxh = atomic64_inc_return(&ctxhctr); -+ ctxh = atomic64_inc_return_unchecked(&ctxhctr); - - /* make a copy for the caller */ - *handle = ctxh; -diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c -index 2928aff..6f9efeb 100644 ---- a/net/sunrpc/cache.c -+++ b/net/sunrpc/cache.c -@@ -1597,7 +1597,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) - struct sunrpc_net *sn; - - sn = net_generic(net, sunrpc_net_id); -- cd->u.procfs.proc_ent = proc_mkdir(cd->name, sn->proc_net_rpc); -+ cd->u.procfs.proc_ent = proc_mkdir_restrict(cd->name, sn->proc_net_rpc); - if (cd->u.procfs.proc_ent == NULL) - goto out_nomem; - cd->u.procfs.channel_ent = NULL; -diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c -index e6ce151..ba1cf85 100644 ---- a/net/sunrpc/clnt.c -+++ b/net/sunrpc/clnt.c -@@ -1436,7 +1436,9 @@ call_start(struct rpc_task *task) - (RPC_IS_ASYNC(task) ? "async" : "sync")); - - /* Increment call count */ -- task->tk_msg.rpc_proc->p_count++; -+ pax_open_kernel(); -+ (*(unsigned int *)&task->tk_msg.rpc_proc->p_count)++; -+ pax_close_kernel(); - clnt->cl_stats->rpccnt++; - task->tk_action = call_reserve; - } -diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c -index 337ca85..42feae8 100644 ---- a/net/sunrpc/sched.c -+++ b/net/sunrpc/sched.c -@@ -261,9 +261,9 @@ static int rpc_wait_bit_killable(struct wait_bit_key *key) - #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) || IS_ENABLED(CONFIG_TRACEPOINTS) - static void rpc_task_set_debuginfo(struct rpc_task *task) - { -- static atomic_t rpc_pid; -+ static atomic_unchecked_t rpc_pid; - -- task->tk_pid = atomic_inc_return(&rpc_pid); -+ task->tk_pid = atomic_inc_return_unchecked(&rpc_pid); - } - #else - static inline void rpc_task_set_debuginfo(struct rpc_task *task) -diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c -index 2ecb994..5afb49f 100644 ---- a/net/sunrpc/stats.c -+++ b/net/sunrpc/stats.c -@@ -290,7 +290,7 @@ int rpc_proc_init(struct net *net) - - dprintk("RPC: registering /proc/net/rpc\n"); - sn = net_generic(net, sunrpc_net_id); -- sn->proc_net_rpc = proc_mkdir("rpc", net->proc_net); -+ sn->proc_net_rpc = proc_mkdir_restrict("rpc", net->proc_net); - if (sn->proc_net_rpc == NULL) - return -ENOMEM; - -diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c -index 78974e4..1e0d1a5 100644 ---- a/net/sunrpc/svc.c -+++ b/net/sunrpc/svc.c -@@ -1169,7 +1169,9 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) - svc_putnl(resv, RPC_SUCCESS); - - /* Bump per-procedure stats counter */ -- procp->pc_count++; -+ pax_open_kernel(); -+ (*(unsigned int *)&procp->pc_count)++; -+ pax_close_kernel(); - - /* Initialize storage for argp and resp */ - memset(rqstp->rq_argp, 0, procp->pc_argsize); -diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c -index 621ca7b..59421dd 100644 ---- a/net/sunrpc/svcauth_unix.c -+++ b/net/sunrpc/svcauth_unix.c -@@ -414,7 +414,7 @@ struct unix_gid { - struct group_info *gi; - }; - --static int unix_gid_hash(kuid_t uid) -+static int __intentional_overflow(-1) unix_gid_hash(kuid_t uid) - { - return hash_long(from_kuid(&init_user_ns, uid), GID_HASHBITS); - } -@@ -470,7 +470,7 @@ static void unix_gid_request(struct cache_detail *cd, - (*bpp)[-1] = '\n'; - } - --static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid); -+static struct unix_gid * __intentional_overflow(-1) unix_gid_lookup(struct cache_detail *cd, kuid_t uid); - - static int unix_gid_parse(struct cache_detail *cd, - char *mesg, int mlen) -diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c -index c1b6270..05089c1 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma.c -+++ b/net/sunrpc/xprtrdma/svc_rdma.c -@@ -62,15 +62,15 @@ unsigned int svcrdma_max_req_size = RPCRDMA_MAX_REQ_SIZE; - static unsigned int min_max_inline = 4096; - static unsigned int max_max_inline = 65536; - --atomic_t rdma_stat_recv; --atomic_t rdma_stat_read; --atomic_t rdma_stat_write; --atomic_t rdma_stat_sq_starve; --atomic_t rdma_stat_rq_starve; --atomic_t rdma_stat_rq_poll; --atomic_t rdma_stat_rq_prod; --atomic_t rdma_stat_sq_poll; --atomic_t rdma_stat_sq_prod; -+atomic_unchecked_t rdma_stat_recv; -+atomic_unchecked_t rdma_stat_read; -+atomic_unchecked_t rdma_stat_write; -+atomic_unchecked_t rdma_stat_sq_starve; -+atomic_unchecked_t rdma_stat_rq_starve; -+atomic_unchecked_t rdma_stat_rq_poll; -+atomic_unchecked_t rdma_stat_rq_prod; -+atomic_unchecked_t rdma_stat_sq_poll; -+atomic_unchecked_t rdma_stat_sq_prod; - - /* Temporary NFS request map and context caches */ - struct kmem_cache *svc_rdma_map_cachep; -@@ -110,7 +110,7 @@ static int read_reset_stat(struct ctl_table *table, int write, - len -= *ppos; - if (len > *lenp) - len = *lenp; -- if (len && copy_to_user(buffer, str_buf, len)) -+ if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len))) - return -EFAULT; - *lenp = len; - *ppos += len; -@@ -151,63 +151,63 @@ static struct ctl_table svcrdma_parm_table[] = { - { - .procname = "rdma_stat_read", - .data = &rdma_stat_read, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_recv", - .data = &rdma_stat_recv, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_write", - .data = &rdma_stat_write, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_starve", - .data = &rdma_stat_sq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_starve", - .data = &rdma_stat_rq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_poll", - .data = &rdma_stat_rq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_prod", - .data = &rdma_stat_rq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_poll", - .data = &rdma_stat_sq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_prod", - .data = &rdma_stat_sq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, -diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -index f9f13a3..d155c71 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -@@ -209,7 +209,7 @@ int rdma_read_chunk_lcl(struct svcxprt_rdma *xprt, - *page_no = pg_no; - *page_offset = pg_off; - ret = read; -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - return ret; - err: - svc_rdma_unmap_dma(ctxt); -@@ -345,7 +345,7 @@ int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt, - *page_no = pg_no; - *page_offset = pg_off; - ret = read; -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - return ret; - err: - svc_rdma_unmap_dma(ctxt); -@@ -599,7 +599,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) - dto_q); - list_del_init(&ctxt->dto_q); - } else { -- atomic_inc(&rdma_stat_rq_starve); -+ atomic_inc_unchecked(&rdma_stat_rq_starve); - clear_bit(XPT_DATA, &xprt->xpt_flags); - ctxt = NULL; - } -@@ -617,7 +617,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) - } - dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n", - ctxt, rdma_xprt, rqstp, ctxt->wc_status); -- atomic_inc(&rdma_stat_recv); -+ atomic_inc_unchecked(&rdma_stat_recv); - - /* Build up the XDR from the receive buffers. */ - rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len); -diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c -index 7de33d1a..7f10241 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c -@@ -218,7 +218,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp, - write_wr.wr.rdma.remote_addr = to; - - /* Post It */ -- atomic_inc(&rdma_stat_write); -+ atomic_inc_unchecked(&rdma_stat_write); - if (svc_rdma_send(xprt, &write_wr)) - goto err; - return write_len - bc; -diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c -index f609c1c..abd491f 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_transport.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c -@@ -294,7 +294,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt) - return; - - ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_rq_poll); -+ atomic_inc_unchecked(&rdma_stat_rq_poll); - - while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) { - ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id; -@@ -316,7 +316,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt) - } - - if (ctxt) -- atomic_inc(&rdma_stat_rq_prod); -+ atomic_inc_unchecked(&rdma_stat_rq_prod); - - set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags); - /* -@@ -395,7 +395,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt) - return; - - ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_sq_poll); -+ atomic_inc_unchecked(&rdma_stat_sq_poll); - while ((ret = ib_poll_cq(cq, ARRAY_SIZE(wc_a), wc_a)) > 0) { - int i; - -@@ -423,7 +423,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt) - } - - if (ctxt) -- atomic_inc(&rdma_stat_sq_prod); -+ atomic_inc_unchecked(&rdma_stat_sq_prod); - } - - static void sq_comp_handler(struct ib_cq *cq, void *cq_context) -@@ -1275,7 +1275,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr) - spin_lock_bh(&xprt->sc_lock); - if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) { - spin_unlock_bh(&xprt->sc_lock); -- atomic_inc(&rdma_stat_sq_starve); -+ atomic_inc_unchecked(&rdma_stat_sq_starve); - - /* See if we can opportunistically reap SQ WR to make room */ - sq_cq_reap(xprt); -diff --git a/net/sysctl_net.c b/net/sysctl_net.c -index e7000be..e3b0ba7 100644 ---- a/net/sysctl_net.c -+++ b/net/sysctl_net.c -@@ -46,7 +46,7 @@ static int net_ctl_permissions(struct ctl_table_header *head, - kgid_t root_gid = make_kgid(net->user_ns, 0); - - /* Allow network administrator to have same access as root. */ -- if (ns_capable(net->user_ns, CAP_NET_ADMIN) || -+ if (ns_capable_nolog(net->user_ns, CAP_NET_ADMIN) || - uid_eq(root_uid, current_euid())) { - int mode = (table->mode >> 6) & 7; - return (mode << 6) | (mode << 3) | mode; -diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c -index ce9121e..fd1fcce 100644 ---- a/net/tipc/netlink_compat.c -+++ b/net/tipc/netlink_compat.c -@@ -64,12 +64,12 @@ struct tipc_nl_compat_cmd_dump { - int (*header)(struct tipc_nl_compat_msg *); - int (*dumpit)(struct sk_buff *, struct netlink_callback *); - int (*format)(struct tipc_nl_compat_msg *msg, struct nlattr **attrs); --}; -+} __no_const; - - struct tipc_nl_compat_cmd_doit { - int (*doit)(struct sk_buff *skb, struct genl_info *info); - int (*transcode)(struct sk_buff *skb, struct tipc_nl_compat_msg *msg); --}; -+} __no_const; - - static int tipc_skb_tailroom(struct sk_buff *skb) - { -@@ -746,7 +746,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) - void *hdr; - struct nlattr *nest; - struct sk_buff *args; -- struct tipc_nl_compat_cmd_dump dump; -+ static struct tipc_nl_compat_cmd_dump dump = { -+ .dumpit = tipc_nl_publ_dump, -+ .format = __tipc_nl_compat_publ_dump, -+ }; - - args = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); - if (!args) -@@ -769,9 +772,6 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) - nla_nest_end(args, nest); - genlmsg_end(args, hdr); - -- dump.dumpit = tipc_nl_publ_dump; -- dump.format = __tipc_nl_compat_publ_dump; -- - err = __tipc_nl_compat_dumpit(&dump, msg, args); - - kfree_skb(args); -diff --git a/net/tipc/socket.c b/net/tipc/socket.c -index f485600..20cc6df 100644 ---- a/net/tipc/socket.c -+++ b/net/tipc/socket.c -@@ -2009,6 +2009,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) - res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 1); - if (res) - goto exit; -+ security_sk_clone(sock->sk, new_sock->sk); - - new_sk = new_sock->sk; - new_tsock = tipc_sk(new_sk); -diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c -index 1c147c8..50d7957 100644 ---- a/net/tipc/subscr.c -+++ b/net/tipc/subscr.c -@@ -70,7 +70,7 @@ static void subscr_send_event(struct tipc_subscription *sub, u32 found_lower, - struct tipc_subscriber *subscriber = sub->subscriber; - struct kvec msg_sect; - -- msg_sect.iov_base = (void *)&sub->evt; -+ msg_sect.iov_base = &sub->evt; - msg_sect.iov_len = sizeof(struct tipc_event); - sub->evt.event = htohl(event, sub->swap); - sub->evt.found_lower = htohl(found_lower, sub->swap); -diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c -index 0643059..4628deb 100644 ---- a/net/unix/af_unix.c -+++ b/net/unix/af_unix.c -@@ -786,6 +786,12 @@ static struct sock *unix_find_other(struct net *net, - err = -ECONNREFUSED; - if (!S_ISSOCK(inode->i_mode)) - goto put_fail; -+ -+ if (!gr_acl_handle_unix(path.dentry, path.mnt)) { -+ err = -EACCES; -+ goto put_fail; -+ } -+ - u = unix_find_socket_byinode(inode); - if (!u) - goto put_fail; -@@ -806,6 +812,13 @@ static struct sock *unix_find_other(struct net *net, - if (u) { - struct dentry *dentry; - dentry = unix_sk(u)->path.dentry; -+ -+ if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) { -+ err = -EPERM; -+ sock_put(u); -+ goto fail; -+ } -+ - if (dentry) - touch_atime(&unix_sk(u)->path); - } else -@@ -839,12 +852,18 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res) - */ - err = security_path_mknod(&path, dentry, mode, 0); - if (!err) { -+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) { -+ err = -EACCES; -+ goto out; -+ } - err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0); - if (!err) { - res->mnt = mntget(path.mnt); - res->dentry = dget(dentry); -+ gr_handle_create(dentry, path.mnt); - } - } -+out: - done_path_create(&path, dentry); - return err; - } -@@ -2233,11 +2252,14 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, - writable = unix_writable(sk); - other = unix_peer_get(sk); - if (other) { -- if (unix_peer(other) != sk) { -+ unix_state_lock(other); -+ if (!sock_flag(other, SOCK_DEAD) && unix_peer(other) != sk) { -+ unix_state_unlock(other); - sock_poll_wait(file, &unix_sk(other)->peer_wait, wait); - if (unix_recvq_full(other)) - writable = 0; -- } -+ } else -+ unix_state_unlock(other); - sock_put(other); - } - -@@ -2334,9 +2356,13 @@ static int unix_seq_show(struct seq_file *seq, void *v) - seq_puts(seq, "Num RefCount Protocol Flags Type St " - "Inode Path\n"); - else { -- struct sock *s = v; -+ struct sock *s = v, *peer; - struct unix_sock *u = unix_sk(s); - unix_state_lock(s); -+ peer = unix_peer(s); -+ unix_state_unlock(s); -+ -+ unix_state_double_lock(s, peer); - - seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu", - s, -@@ -2361,10 +2387,29 @@ static int unix_seq_show(struct seq_file *seq, void *v) - seq_putc(seq, '@'); - i++; - } -- for ( ; i < len; i++) -- seq_putc(seq, u->addr->name->sun_path[i]); -- } -- unix_state_unlock(s); -+ for ( ; i < len; i++) { -+ char c = u->addr->name->sun_path[i]; -+ switch (c) { -+ case '\n': -+ seq_putc(seq, '\\'); -+ seq_putc(seq, 'n'); -+ break; -+ case '\t': -+ seq_putc(seq, '\\'); -+ seq_putc(seq, 't'); -+ break; -+ case '\\': -+ seq_putc(seq, '\\'); -+ seq_putc(seq, '\\'); -+ break; -+ default: -+ seq_putc(seq, c); -+ } -+ } -+ } else if (peer) -+ seq_printf(seq, " P%lu", sock_i_ino(peer)); -+ -+ unix_state_double_unlock(s, peer); - seq_putc(seq, '\n'); - } - -diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c -index b3d5150..ff3a837 100644 ---- a/net/unix/sysctl_net_unix.c -+++ b/net/unix/sysctl_net_unix.c -@@ -28,7 +28,7 @@ static struct ctl_table unix_table[] = { - - int __net_init unix_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL); - if (table == NULL) -diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c -index 9b7f207..2596621 100644 ---- a/net/vmw_vsock/vmci_transport_notify.c -+++ b/net/vmw_vsock/vmci_transport_notify.c -@@ -662,19 +662,19 @@ static void vmci_transport_notify_pkt_process_negotiate(struct sock *sk) - - /* Socket control packet based operations. */ - struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = { -- vmci_transport_notify_pkt_socket_init, -- vmci_transport_notify_pkt_socket_destruct, -- vmci_transport_notify_pkt_poll_in, -- vmci_transport_notify_pkt_poll_out, -- vmci_transport_notify_pkt_handle_pkt, -- vmci_transport_notify_pkt_recv_init, -- vmci_transport_notify_pkt_recv_pre_block, -- vmci_transport_notify_pkt_recv_pre_dequeue, -- vmci_transport_notify_pkt_recv_post_dequeue, -- vmci_transport_notify_pkt_send_init, -- vmci_transport_notify_pkt_send_pre_block, -- vmci_transport_notify_pkt_send_pre_enqueue, -- vmci_transport_notify_pkt_send_post_enqueue, -- vmci_transport_notify_pkt_process_request, -- vmci_transport_notify_pkt_process_negotiate, -+ .socket_init = vmci_transport_notify_pkt_socket_init, -+ .socket_destruct = vmci_transport_notify_pkt_socket_destruct, -+ .poll_in = vmci_transport_notify_pkt_poll_in, -+ .poll_out = vmci_transport_notify_pkt_poll_out, -+ .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt, -+ .recv_init = vmci_transport_notify_pkt_recv_init, -+ .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block, -+ .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue, -+ .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue, -+ .send_init = vmci_transport_notify_pkt_send_init, -+ .send_pre_block = vmci_transport_notify_pkt_send_pre_block, -+ .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue, -+ .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue, -+ .process_request = vmci_transport_notify_pkt_process_request, -+ .process_negotiate = vmci_transport_notify_pkt_process_negotiate, - }; -diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c -index dc9c792..3089de0 100644 ---- a/net/vmw_vsock/vmci_transport_notify_qstate.c -+++ b/net/vmw_vsock/vmci_transport_notify_qstate.c -@@ -420,19 +420,19 @@ vmci_transport_notify_pkt_send_pre_enqueue( - - /* Socket always on control packet based operations. */ - struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = { -- vmci_transport_notify_pkt_socket_init, -- vmci_transport_notify_pkt_socket_destruct, -- vmci_transport_notify_pkt_poll_in, -- vmci_transport_notify_pkt_poll_out, -- vmci_transport_notify_pkt_handle_pkt, -- vmci_transport_notify_pkt_recv_init, -- vmci_transport_notify_pkt_recv_pre_block, -- vmci_transport_notify_pkt_recv_pre_dequeue, -- vmci_transport_notify_pkt_recv_post_dequeue, -- vmci_transport_notify_pkt_send_init, -- vmci_transport_notify_pkt_send_pre_block, -- vmci_transport_notify_pkt_send_pre_enqueue, -- vmci_transport_notify_pkt_send_post_enqueue, -- vmci_transport_notify_pkt_process_request, -- vmci_transport_notify_pkt_process_negotiate, -+ .socket_init = vmci_transport_notify_pkt_socket_init, -+ .socket_destruct = vmci_transport_notify_pkt_socket_destruct, -+ .poll_in = vmci_transport_notify_pkt_poll_in, -+ .poll_out = vmci_transport_notify_pkt_poll_out, -+ .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt, -+ .recv_init = vmci_transport_notify_pkt_recv_init, -+ .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block, -+ .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue, -+ .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue, -+ .send_init = vmci_transport_notify_pkt_send_init, -+ .send_pre_block = vmci_transport_notify_pkt_send_pre_block, -+ .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue, -+ .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue, -+ .process_request = vmci_transport_notify_pkt_process_request, -+ .process_negotiate = vmci_transport_notify_pkt_process_negotiate, - }; -diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c -index c8717c1..08539f5 100644 ---- a/net/wireless/wext-core.c -+++ b/net/wireless/wext-core.c -@@ -748,8 +748,7 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, - */ - - /* Support for very large requests */ -- if ((descr->flags & IW_DESCR_FLAG_NOMAX) && -- (user_length > descr->max_tokens)) { -+ if (user_length > descr->max_tokens) { - /* Allow userspace to GET more than max so - * we can support any size GET requests. - * There is still a limit : -ENOMEM. -@@ -788,22 +787,6 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, - } - } - -- if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) { -- /* -- * If this is a GET, but not NOMAX, it means that the extra -- * data is not bounded by userspace, but by max_tokens. Thus -- * set the length to max_tokens. This matches the extra data -- * allocation. -- * The driver should fill it with the number of tokens it -- * provided, and it may check iwp->length rather than having -- * knowledge of max_tokens. If the driver doesn't change the -- * iwp->length, this ioctl just copies back max_token tokens -- * filled with zeroes. Hopefully the driver isn't claiming -- * them to be valid data. -- */ -- iwp->length = descr->max_tokens; -- } -- - err = handler(dev, info, (union iwreq_data *) iwp, extra); - - iwp->length += essid_compat; -diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c -index 4323952..a06dfe1 100644 ---- a/net/x25/sysctl_net_x25.c -+++ b/net/x25/sysctl_net_x25.c -@@ -70,7 +70,7 @@ static struct ctl_table x25_table[] = { - .mode = 0644, - .proc_handler = proc_dointvec, - }, -- { 0, }, -+ { }, - }; - - void __init x25_register_sysctl(void) -diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c -index 0917f04..f4e3d8c 100644 ---- a/net/x25/x25_proc.c -+++ b/net/x25/x25_proc.c -@@ -209,7 +209,7 @@ static const struct file_operations x25_seq_forward_fops = { - - int __init x25_proc_init(void) - { -- if (!proc_mkdir("x25", init_net.proc_net)) -+ if (!proc_mkdir_restrict("x25", init_net.proc_net)) - return -ENOMEM; - - if (!proc_create("x25/route", S_IRUGO, init_net.proc_net, -diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c -index 638af06..7d9daad 100644 ---- a/net/xfrm/xfrm_policy.c -+++ b/net/xfrm/xfrm_policy.c -@@ -331,7 +331,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy) - { - policy->walk.dead = 1; - -- atomic_inc(&policy->genid); -+ atomic_inc_unchecked(&policy->genid); - - if (del_timer(&policy->polq.hold_timer)) - xfrm_pol_put(policy); -@@ -781,7 +781,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) - else - hlist_add_head(&policy->bydst, chain); - __xfrm_policy_link(policy, dir); -- atomic_inc(&net->xfrm.flow_cache_genid); -+ atomic_inc_unchecked(&net->xfrm.flow_cache_genid); - - /* After previous checking, family can either be AF_INET or AF_INET6 */ - if (policy->family == AF_INET) -@@ -1877,7 +1877,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols, - - xdst->num_pols = num_pols; - memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols); -- xdst->policy_genid = atomic_read(&pols[0]->genid); -+ xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid); - - return xdst; - } -@@ -2690,10 +2690,11 @@ void xfrm_garbage_collect(struct net *net) - } - EXPORT_SYMBOL(xfrm_garbage_collect); - --static void xfrm_garbage_collect_deferred(struct net *net) -+void xfrm_garbage_collect_deferred(struct net *net) - { - flow_cache_flush_deferred(net); - } -+EXPORT_SYMBOL(xfrm_garbage_collect_deferred); - - static void xfrm_init_pmtu(struct dst_entry *dst) - { -@@ -2743,7 +2744,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first) - if (xdst->xfrm_genid != dst->xfrm->genid) - return 0; - if (xdst->num_pols > 0 && -- xdst->policy_genid != atomic_read(&xdst->pols[0]->genid)) -+ xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid)) - return 0; - - mtu = dst_mtu(dst->child); -@@ -2831,8 +2832,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) - dst_ops->link_failure = xfrm_link_failure; - if (likely(dst_ops->neigh_lookup == NULL)) - dst_ops->neigh_lookup = xfrm_neigh_lookup; -- if (likely(afinfo->garbage_collect == NULL)) -- afinfo->garbage_collect = xfrm_garbage_collect_deferred; - rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo); - } - spin_unlock(&xfrm_policy_afinfo_lock); -@@ -2886,7 +2885,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo) - dst_ops->check = NULL; - dst_ops->negative_advice = NULL; - dst_ops->link_failure = NULL; -- afinfo->garbage_collect = NULL; - } - return err; - } -@@ -3283,7 +3281,7 @@ static int xfrm_policy_migrate(struct xfrm_policy *pol, - sizeof(pol->xfrm_vec[i].saddr)); - pol->xfrm_vec[i].encap_family = mp->new_family; - /* flush bundles */ -- atomic_inc(&pol->genid); -+ atomic_inc_unchecked(&pol->genid); - } - } - -diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c -index 96688cd..e68a2eb 100644 ---- a/net/xfrm/xfrm_state.c -+++ b/net/xfrm/xfrm_state.c -@@ -166,12 +166,14 @@ int xfrm_register_type(const struct xfrm_type *type, unsigned short family) - - if (unlikely(afinfo == NULL)) - return -EAFNOSUPPORT; -- typemap = afinfo->type_map; -+ typemap = (const struct xfrm_type **)afinfo->type_map; - spin_lock_bh(&xfrm_type_lock); - -- if (likely(typemap[type->proto] == NULL)) -+ if (likely(typemap[type->proto] == NULL)) { -+ pax_open_kernel(); - typemap[type->proto] = type; -- else -+ pax_close_kernel(); -+ } else - err = -EEXIST; - spin_unlock_bh(&xfrm_type_lock); - xfrm_state_put_afinfo(afinfo); -@@ -187,13 +189,16 @@ int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family) - - if (unlikely(afinfo == NULL)) - return -EAFNOSUPPORT; -- typemap = afinfo->type_map; -+ typemap = (const struct xfrm_type **)afinfo->type_map; - spin_lock_bh(&xfrm_type_lock); - - if (unlikely(typemap[type->proto] != type)) - err = -ENOENT; -- else -+ else { -+ pax_open_kernel(); - typemap[type->proto] = NULL; -+ pax_close_kernel(); -+ } - spin_unlock_bh(&xfrm_type_lock); - xfrm_state_put_afinfo(afinfo); - return err; -@@ -203,7 +208,6 @@ EXPORT_SYMBOL(xfrm_unregister_type); - static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family) - { - struct xfrm_state_afinfo *afinfo; -- const struct xfrm_type **typemap; - const struct xfrm_type *type; - int modload_attempted = 0; - -@@ -211,9 +215,8 @@ retry: - afinfo = xfrm_state_get_afinfo(family); - if (unlikely(afinfo == NULL)) - return NULL; -- typemap = afinfo->type_map; - -- type = typemap[proto]; -+ type = afinfo->type_map[proto]; - if (unlikely(type && !try_module_get(type->owner))) - type = NULL; - if (!type && !modload_attempted) { -@@ -247,7 +250,7 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family) - return -EAFNOSUPPORT; - - err = -EEXIST; -- modemap = afinfo->mode_map; -+ modemap = (struct xfrm_mode **)afinfo->mode_map; - spin_lock_bh(&xfrm_mode_lock); - if (modemap[mode->encap]) - goto out; -@@ -256,8 +259,10 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family) - if (!try_module_get(afinfo->owner)) - goto out; - -- mode->afinfo = afinfo; -+ pax_open_kernel(); -+ *(const void **)&mode->afinfo = afinfo; - modemap[mode->encap] = mode; -+ pax_close_kernel(); - err = 0; - - out: -@@ -281,10 +286,12 @@ int xfrm_unregister_mode(struct xfrm_mode *mode, int family) - return -EAFNOSUPPORT; - - err = -ENOENT; -- modemap = afinfo->mode_map; -+ modemap = (struct xfrm_mode **)afinfo->mode_map; - spin_lock_bh(&xfrm_mode_lock); - if (likely(modemap[mode->encap] == mode)) { -+ pax_open_kernel(); - modemap[mode->encap] = NULL; -+ pax_close_kernel(); - module_put(mode->afinfo->owner); - err = 0; - } -@@ -1505,10 +1512,10 @@ EXPORT_SYMBOL(xfrm_find_acq_byseq); - u32 xfrm_get_acqseq(void) - { - u32 res; -- static atomic_t acqseq; -+ static atomic_unchecked_t acqseq; - - do { -- res = atomic_inc_return(&acqseq); -+ res = atomic_inc_return_unchecked(&acqseq); - } while (!res); - - return res; -diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c -index 05a6e3d..6716ec9 100644 ---- a/net/xfrm/xfrm_sysctl.c -+++ b/net/xfrm/xfrm_sysctl.c -@@ -42,7 +42,7 @@ static struct ctl_table xfrm_table[] = { - - int __net_init xfrm_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - __xfrm_sysctl_init(net); - -diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include -index d3437b8..6c3becb 100644 ---- a/scripts/Kbuild.include -+++ b/scripts/Kbuild.include -@@ -142,7 +142,7 @@ cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) - # cc-ldoption - # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) - cc-ldoption = $(call try-run,\ -- $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) -+ $(CC) $(1) -Wl,-r -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) - - # ld-option - # Usage: LDFLAGS += $(call ld-option, -X) -diff --git a/scripts/Makefile.build b/scripts/Makefile.build -index 01df30a..b687dbf 100644 ---- a/scripts/Makefile.build -+++ b/scripts/Makefile.build -@@ -60,7 +60,7 @@ endif - endif - - # Do not include host rules unless needed --ifneq ($(hostprogs-y)$(hostprogs-m),) -+ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),) - include scripts/Makefile.host - endif - -diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean -index 55c96cb..e4e88ab 100644 ---- a/scripts/Makefile.clean -+++ b/scripts/Makefile.clean -@@ -38,7 +38,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) - __clean-files := $(extra-y) $(extra-m) $(extra-) \ - $(always) $(targets) $(clean-files) \ - $(host-progs) \ -- $(hostprogs-y) $(hostprogs-m) $(hostprogs-) -+ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ -+ $(hostlibs-y) $(hostlibs-m) $(hostlibs-) - - __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) - -diff --git a/scripts/Makefile.host b/scripts/Makefile.host -index 133edfa..c9aa07f 100644 ---- a/scripts/Makefile.host -+++ b/scripts/Makefile.host -@@ -20,7 +20,19 @@ - # Will compile qconf as a C++ program, and menu as a C program. - # They are linked as C++ code to the executable qconf - -+# hostprogs-y := conf -+# conf-objs := conf.o libkconfig.so -+# libkconfig-objs := expr.o type.o -+# Will create a shared library named libkconfig.so that consists of -+# expr.o and type.o (they are both compiled as C code and the object files -+# are made as position independent code). -+# conf.c is compiled as a C program, and conf.o is linked together with -+# libkconfig.so as the executable conf. -+# Note: Shared libraries consisting of C++ files are not supported -+ - __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) -+__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m)) -+__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m)) - - # C code - # Executables compiled from a single .c file -@@ -42,6 +54,19 @@ host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m))) - # C++ Object (.o) files compiled from .cc files - host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs))) - -+# Shared libaries (only .c supported) -+# Shared libraries (.so) - all .so files referenced in "xxx-objs" -+host-cshlib := $(sort $(filter %.so, $(host-cobjs))) -+host-cshlib += $(sort $(filter %.so, $(__hostlibs))) -+host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs))) -+# Remove .so files from "xxx-objs" -+host-cobjs := $(filter-out %.so,$(host-cobjs)) -+host-cxxobjs := $(filter-out %.so,$(host-cxxobjs)) -+ -+# Object (.o) files used by the shared libaries -+host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs)))) -+host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs)))) -+ - # output directory for programs/.o files - # hostprogs-y := tools/build may have been specified. - # Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation -@@ -56,6 +81,10 @@ host-cmulti := $(addprefix $(obj)/,$(host-cmulti)) - host-cobjs := $(addprefix $(obj)/,$(host-cobjs)) - host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti)) - host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs)) -+host-cshlib := $(addprefix $(obj)/,$(host-cshlib)) -+host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib)) -+host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs)) -+host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs)) - host-objdirs := $(addprefix $(obj)/,$(host-objdirs)) - - obj-dirs += $(host-objdirs) -@@ -124,5 +153,37 @@ quiet_cmd_host-cxxobjs = HOSTCXX $@ - $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE - $(call if_changed_dep,host-cxxobjs) - -+# Compile .c file, create position independent .o file -+# host-cshobjs -> .o -+quiet_cmd_host-cshobjs = HOSTCC -fPIC $@ -+ cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $< -+$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE -+ $(call if_changed_dep,host-cshobjs) -+ -+# Compile .c file, create position independent .o file -+# host-cxxshobjs -> .o -+quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@ -+ cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $< -+$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE -+ $(call if_changed_dep,host-cxxshobjs) -+ -+# Link a shared library, based on position independent .o files -+# *.o -> .so shared library (host-cshlib) -+quiet_cmd_host-cshlib = HOSTLLD -shared $@ -+ cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \ -+ $(addprefix $(obj)/,$($(@F:.so=-objs))) \ -+ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -+$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE -+ $(call if_changed,host-cshlib) -+ -+# Link a shared library, based on position independent .o files -+# *.o -> .so shared library (host-cxxshlib) -+quiet_cmd_host-cxxshlib = HOSTLLD -shared $@ -+ cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \ -+ $(addprefix $(obj)/,$($(@F:.so=-objs))) \ -+ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -+$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE -+ $(call if_changed,host-cxxshlib) -+ - targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\ -- $(host-cxxmulti) $(host-cxxobjs) -+ $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs) -diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c -index b304068..462d24e 100644 ---- a/scripts/basic/fixdep.c -+++ b/scripts/basic/fixdep.c -@@ -161,7 +161,7 @@ static unsigned int strhash(const char *str, unsigned int sz) - /* - * Lookup a value in the configuration string. - */ --static int is_defined_config(const char *name, int len, unsigned int hash) -+static int is_defined_config(const char *name, unsigned int len, unsigned int hash) - { - struct item *aux; - -@@ -211,10 +211,10 @@ static void clear_config(void) - /* - * Record the use of a CONFIG_* word. - */ --static void use_config(const char *m, int slen) -+static void use_config(const char *m, unsigned int slen) - { - unsigned int hash = strhash(m, slen); -- int c, i; -+ unsigned int c, i; - - if (is_defined_config(m, slen, hash)) - return; -@@ -235,9 +235,9 @@ static void use_config(const char *m, int slen) - - static void parse_config_file(const char *map, size_t len) - { -- const int *end = (const int *) (map + len); -+ const unsigned int *end = (const unsigned int *) (map + len); - /* start at +1, so that p can never be < map */ -- const int *m = (const int *) map + 1; -+ const unsigned int *m = (const unsigned int *) map + 1; - const char *p, *q; - - for (; m < end; m++) { -@@ -435,7 +435,7 @@ static void print_deps(void) - static void traps(void) - { - static char test[] __attribute__((aligned(sizeof(int)))) = "CONF"; -- int *p = (int *)test; -+ unsigned int *p = (unsigned int *)test; - - if (*p != INT_CONF) { - fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianness? %#x\n", -diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh -new file mode 100644 -index 0000000..eaa4fce ---- /dev/null -+++ b/scripts/gcc-plugin.sh -@@ -0,0 +1,51 @@ -+#!/bin/sh -+srctree=$(dirname "$0") -+gccplugins_dir=$($3 -print-file-name=plugin) -+plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/../tools/gcc -I"${gccplugins_dir}"/include 2>&1 <<EOF -+#include "gcc-common.h" -+#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX) -+#warning $2 CXX -+#else -+#warning $1 CC -+#endif -+EOF -+) -+ -+if [ $? -ne 0 ] -+then -+ exit 1 -+fi -+ -+case "$plugincc" in -+ *"$1 CC"*) -+ echo "$1" -+ exit 0 -+ ;; -+ -+ *"$2 CXX"*) -+ # the c++ compiler needs another test, see below -+ ;; -+ -+ *) -+ exit 1 -+ ;; -+esac -+ -+# we need a c++ compiler that supports the designated initializer GNU extension -+plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/../tools/gcc -I"${gccplugins_dir}"/include 2>&1 <<EOF -+#include "gcc-common.h" -+class test { -+public: -+ int test; -+} test = { -+ .test = 1 -+}; -+EOF -+) -+ -+if [ $? -eq 0 ] -+then -+ echo "$2" -+ exit 0 -+fi -+exit 1 -diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh -index fdebd66..a349e33 100755 ---- a/scripts/headers_install.sh -+++ b/scripts/headers_install.sh -@@ -32,6 +32,7 @@ do - FILE="$(basename "$i")" - sed -r \ - -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \ -+ -e 's/__intentional_overflow$[- \t,0-9]*$//g' \ - -e 's/__attribute_const__([ \t]|$)/\1/g' \ - -e 's@^#include <linux/compiler.h>@@' \ - -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ -diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh -index 86a4fe7..99e91f9 100755 ---- a/scripts/link-vmlinux.sh -+++ b/scripts/link-vmlinux.sh -@@ -166,7 +166,7 @@ else - fi; - - # final build of init/ --${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init -+${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" GCC_PLUGINS_AFLAGS="${GCC_PLUGINS_AFLAGS}" - - kallsymso="" - kallsyms_vmlinux="" -diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c -index 78691d5..56972f2 100644 ---- a/scripts/mod/file2alias.c -+++ b/scripts/mod/file2alias.c -@@ -142,7 +142,7 @@ static void device_id_check(const char *modname, const char *device_id, - unsigned long size, unsigned long id_size, - void *symval) - { -- int i; -+ unsigned int i; - - if (size % id_size || size < id_size) { - fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " -@@ -171,7 +171,7 @@ static void device_id_check(const char *modname, const char *device_id, - /* USB is special because the bcdDevice can be matched against a numeric range */ - /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ - static void do_usb_entry(void *symval, -- unsigned int bcdDevice_initial, int bcdDevice_initial_digits, -+ unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits, - unsigned char range_lo, unsigned char range_hi, - unsigned char max, struct module *mod) - { -@@ -281,7 +281,7 @@ static void do_usb_entry_multi(void *symval, struct module *mod) - { - unsigned int devlo, devhi; - unsigned char chi, clo, max; -- int ndigits; -+ unsigned int ndigits; - - DEF_FIELD(symval, usb_device_id, match_flags); - DEF_FIELD(symval, usb_device_id, idVendor); -@@ -534,7 +534,7 @@ static void do_pnp_device_entry(void *symval, unsigned long size, - for (i = 0; i < count; i++) { - DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); - char acpi_id[sizeof(*id)]; -- int j; -+ unsigned int j; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"pnp:d%s*\");\n", *id); -@@ -563,7 +563,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size, - - for (j = 0; j < PNP_MAX_DEVICES; j++) { - const char *id = (char *)(*devs)[j].id; -- int i2, j2; -+ unsigned int i2, j2; - int dup = 0; - - if (!id[0]) -@@ -589,7 +589,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size, - /* add an individual alias for every device entry */ - if (!dup) { - char acpi_id[PNP_ID_LEN]; -- int k; -+ unsigned int k; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"pnp:d%s*\");\n", id); -@@ -939,7 +939,7 @@ static void dmi_ascii_filter(char *d, const char *s) - static int do_dmi_entry(const char *filename, void *symval, - char *alias) - { -- int i, j; -+ unsigned int i, j; - DEF_FIELD_ADDR(symval, dmi_system_id, matches); - sprintf(alias, "dmi*"); - -diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c -index 91ee1b2..c9cf01a 100644 ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -942,6 +942,7 @@ enum mismatch { - ANY_EXIT_TO_ANY_INIT, - EXPORT_TO_INIT_EXIT, - EXTABLE_TO_NON_TEXT, -+ DATA_TO_TEXT - }; - - /** -@@ -1068,6 +1069,12 @@ static const struct sectioncheck sectioncheck[] = { - .good_tosec = {ALL_TEXT_SECTIONS , NULL}, - .mismatch = EXTABLE_TO_NON_TEXT, - .handler = extable_mismatch_handler, -+}, -+/* Do not reference code from writable data */ -+{ -+ .fromsec = { DATA_SECTIONS, NULL }, -+ .bad_tosec = { ALL_TEXT_SECTIONS, NULL }, -+ .mismatch = DATA_TO_TEXT - } - }; - -@@ -1217,10 +1224,10 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, - continue; - if (ELF_ST_TYPE(sym->st_info) == STT_SECTION) - continue; -- if (sym->st_value == addr) -- return sym; - /* Find a symbol nearby - addr are maybe negative */ - d = sym->st_value - addr; -+ if (d == 0) -+ return sym; - if (d < 0) - d = addr - sym->st_value; - if (d < distance) { -@@ -1503,6 +1510,14 @@ static void report_sec_mismatch(const char *modname, - fatal("There's a special handler for this mismatch type, " - "we should never get here."); - break; -+ case DATA_TO_TEXT: -+#if 0 -+ fprintf(stderr, -+ "The %s %s:%s references\n" -+ "the %s %s:%s%s\n", -+ from, fromsec, fromsym, to, tosec, tosym, to_p); -+#endif -+ break; - } - fprintf(stderr, "\n"); - } -@@ -1892,7 +1907,7 @@ static void section_rel(const char *modname, struct elf_info *elf, - static void check_sec_ref(struct module *mod, const char *modname, - struct elf_info *elf) - { -- int i; -+ unsigned int i; - Elf_Shdr *sechdrs = elf->sechdrs; - - /* Walk through all sections */ -@@ -2023,7 +2038,7 @@ void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf, - va_end(ap); - } - --void buf_write(struct buffer *buf, const char *s, int len) -+void buf_write(struct buffer *buf, const char *s, unsigned int len) - { - if (buf->size - buf->pos < len) { - buf->size += len + SZ; -@@ -2242,7 +2257,7 @@ static void write_if_changed(struct buffer *b, const char *fname) - if (fstat(fileno(file), &st) < 0) - goto close_write; - -- if (st.st_size != b->pos) -+ if (st.st_size != (off_t)b->pos) - goto close_write; - - tmp = NOFAIL(malloc(b->pos)); -diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h -index 168b43d..77914bf 100644 ---- a/scripts/mod/modpost.h -+++ b/scripts/mod/modpost.h -@@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *expr); - - struct buffer { - char *p; -- int pos; -- int size; -+ unsigned int pos; -+ unsigned int size; - }; - - void __attribute__((format(printf, 2, 3))) - buf_printf(struct buffer *buf, const char *fmt, ...); - - void --buf_write(struct buffer *buf, const char *s, int len); -+buf_write(struct buffer *buf, const char *s, unsigned int len); - - struct module { - struct module *next; -diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c -index 944418d..15291e4 100644 ---- a/scripts/mod/sumversion.c -+++ b/scripts/mod/sumversion.c -@@ -470,7 +470,7 @@ static void write_version(const char *filename, const char *sum, - goto out; - } - -- if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) { -+ if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) { - warn("writing sum in %s failed: %s\n", - filename, strerror(errno)); - goto out; -diff --git a/scripts/module-common.lds b/scripts/module-common.lds -index 73a2c7d..df11b31 100644 ---- a/scripts/module-common.lds -+++ b/scripts/module-common.lds -@@ -6,6 +6,10 @@ - SECTIONS { - /DISCARD/ : { *(.discard) } - -+ .rodata 0: { -+ *(.rodata) *(.rodata.*) -+ *(.data..read_only) -+ } - __ksymtab 0 : { *(SORT(___ksymtab+*)) } - __ksymtab_gpl 0 : { *(SORT(___ksymtab_gpl+*)) } - __ksymtab_unused 0 : { *(SORT(___ksymtab_unused+*)) } -diff --git a/scripts/package/Makefile b/scripts/package/Makefile -index 99ca6e7..3a1a1a1 100644 ---- a/scripts/package/Makefile -+++ b/scripts/package/Makefile -@@ -46,7 +46,7 @@ rpm-pkg rpm: FORCE - ln -sf $(srctree) $(KERNELPATH) - $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec - $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion -- tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT) -+ tar --owner=root --group=root -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT) - rm $(KERNELPATH) - rm -f $(objtree)/.scmversion - $(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version -diff --git a/scripts/package/builddeb b/scripts/package/builddeb -index 88dbf23..d1b4291 100755 ---- a/scripts/package/builddeb -+++ b/scripts/package/builddeb -@@ -304,6 +304,7 @@ fi - (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles" - (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles" - (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles" -+(cd $objtree; find tools/gcc -name \*.so >> "$objtree/debian/hdrobjfiles") - destdir=$kernel_headers_dir/usr/src/linux-headers-$version - mkdir -p "$destdir" - (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -) -diff --git a/scripts/package/mkspec b/scripts/package/mkspec -index d9ab94b..eb7f04c 100755 ---- a/scripts/package/mkspec -+++ b/scripts/package/mkspec -@@ -122,30 +122,41 @@ echo 'rm -f $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE/{build,source}" - echo "mkdir -p "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE" - echo "EXCLUDES=\"$RCS_TAR_IGNORE --exclude .tmp_versions --exclude=*vmlinux* --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation --exclude=firmware --exclude .config.old --exclude .missing-syscalls.d\"" - echo "tar "'$EXCLUDES'" -cf- . | (cd "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE;tar xvf -)" --echo 'cd $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE" --echo "ln -sf /usr/src/kernels/$KERNELRELEASE build" --echo "ln -sf /usr/src/kernels/$KERNELRELEASE source" - fi - - echo "" - echo "%clean" - echo 'rm -rf $RPM_BUILD_ROOT' - echo "" -+echo "%pre" -+echo 'chmod -f 0500 /boot' -+echo 'if [ -d /lib/modules ]; then' -+echo 'chmod -f 0500 /lib/modules' -+echo 'fi' -+echo 'if [ -d /lib32/modules ]; then' -+echo 'chmod -f 0500 /lib32/modules' -+echo 'fi' -+echo 'if [ -d /lib64/modules ]; then' -+echo 'chmod -f 0500 /lib64/modules' -+echo 'fi' -+echo "" -+echo "%post devel" -+echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/build" -+echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/source" -+echo "" - echo "%post" --echo "if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then" --echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm" --echo "cp /boot/System.map-$KERNELRELEASE /boot/System.map-$KERNELRELEASE-rpm" --echo "rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE" --echo "/sbin/installkernel $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm" --echo "rm -f /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm" -+echo "if [ -x /sbin/dracut ]; then" -+echo '/sbin/new-kernel-pkg --dracut --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?' -+echo "else" -+echo '/sbin/new-kernel-pkg --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?' - echo "fi" - echo "" - echo "%files" --echo '%defattr (-, root, root)' -+echo '%defattr (400, root, root, 500)' - echo "%dir /lib/modules" --echo "/lib/modules/$KERNELRELEASE" - echo "%exclude /lib/modules/$KERNELRELEASE/build" - echo "%exclude /lib/modules/$KERNELRELEASE/source" -+echo "/lib/modules/$KERNELRELEASE" - echo "/lib/firmware/$KERNELRELEASE" - echo "/boot/*" - echo "" -@@ -155,9 +166,8 @@ echo "/usr/include" - echo "" - if ! $PREBUILT; then - echo "%files devel" --echo '%defattr (-, root, root)' -+echo '%defattr (400, root, root, 500)' -+echo "%dir /lib/modules/$KERNELRELEASE" - echo "/usr/src/kernels/$KERNELRELEASE" --echo "/lib/modules/$KERNELRELEASE/build" --echo "/lib/modules/$KERNELRELEASE/source" - echo "" - fi -diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c -index 4718d78..9220d58 100644 ---- a/scripts/pnmtologo.c -+++ b/scripts/pnmtologo.c -@@ -244,14 +244,14 @@ static void write_header(void) - fprintf(out, " * Linux logo %s\n", logoname); - fputs(" */\n\n", out); - fputs("#include <linux/linux_logo.h>\n\n", out); -- fprintf(out, "static unsigned char %s_data[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_data[] = {\n", - logoname); - } - - static void write_footer(void) - { - fputs("\n};\n\n", out); -- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname); -+ fprintf(out, "const struct linux_logo %s = {\n", logoname); - fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]); - fprintf(out, "\t.width\t\t= %d,\n", logo_width); - fprintf(out, "\t.height\t\t= %d,\n", logo_height); -@@ -381,7 +381,7 @@ static void write_logo_clut224(void) - fputs("\n};\n\n", out); - - /* write logo clut */ -- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_clut[] = {\n", - logoname); - write_hex_cnt = 0; - for (i = 0; i < logo_clutsize; i++) { -diff --git a/scripts/sortextable.h b/scripts/sortextable.h -index ba87004..3f4852c 100644 ---- a/scripts/sortextable.h -+++ b/scripts/sortextable.h -@@ -108,9 +108,9 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort) - const char *secstrtab; - const char *strtab; - char *extab_image; -- int extab_index = 0; -- int i; -- int idx; -+ unsigned int extab_index = 0; -+ unsigned int i; -+ unsigned int idx; - unsigned int num_sections; - unsigned int secindex_strings; - -diff --git a/scripts/tags.sh b/scripts/tags.sh -index cdb491d..8d32bfc 100755 ---- a/scripts/tags.sh -+++ b/scripts/tags.sh -@@ -26,7 +26,7 @@ else - fi - - # ignore userspace tools --ignore="$ignore ( -path ${tree}tools ) -prune -o" -+ignore="$ignore ( -path \"${tree}tools/[^g]*\" ) -prune -o" - - # Find all available archs - find_all_archs() -diff --git a/security/Kconfig b/security/Kconfig -index bf4ec46..1fa98bf 100644 ---- a/security/Kconfig -+++ b/security/Kconfig -@@ -4,6 +4,981 @@ - - menu "Security options" - -+menu "Grsecurity" -+ -+ config ARCH_TRACK_EXEC_LIMIT -+ bool -+ -+ config PAX_KERNEXEC_PLUGIN -+ bool -+ -+ config PAX_PER_CPU_PGD -+ bool -+ -+ config TASK_SIZE_MAX_SHIFT -+ int -+ depends on X86_64 -+ default 47 if !PAX_PER_CPU_PGD -+ default 42 if PAX_PER_CPU_PGD -+ -+ config PAX_ENABLE_PAE -+ bool -+ default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM)) -+ -+ config PAX_USERCOPY_SLABS -+ bool -+ -+config GRKERNSEC -+ bool "Grsecurity" -+ select CRYPTO -+ select CRYPTO_SHA256 -+ select PROC_FS -+ select STOP_MACHINE -+ select TTY -+ select DEBUG_KERNEL -+ select DEBUG_LIST -+ select MULTIUSER -+ help -+ If you say Y here, you will be able to configure many features -+ that will enhance the security of your system. It is highly -+ recommended that you say Y here and read through the help -+ for each option so that you fully understand the features and -+ can evaluate their usefulness for your machine. -+ -+choice -+ prompt "Configuration Method" -+ depends on GRKERNSEC -+ default GRKERNSEC_CONFIG_CUSTOM -+ help -+ -+config GRKERNSEC_CONFIG_AUTO -+ bool "Automatic" -+ help -+ If you choose this configuration method, you'll be able to answer a small -+ number of simple questions about how you plan to use this kernel. -+ The settings of grsecurity and PaX will be automatically configured for -+ the highest commonly-used settings within the provided constraints. -+ -+ If you require additional configuration, custom changes can still be made -+ from the "custom configuration" menu. -+ -+config GRKERNSEC_CONFIG_CUSTOM -+ bool "Custom" -+ help -+ If you choose this configuration method, you'll be able to configure all -+ grsecurity and PaX settings manually. Via this method, no options are -+ automatically enabled. -+ -+ Take note that if menuconfig is exited with this configuration method -+ chosen, you will not be able to use the automatic configuration methods -+ without starting again with a kernel configuration with no grsecurity -+ or PaX options specified inside. -+ -+endchoice -+ -+choice -+ prompt "Usage Type" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_SERVER -+ help -+ -+config GRKERNSEC_CONFIG_SERVER -+ bool "Server" -+ help -+ Choose this option if you plan to use this kernel on a server. -+ -+config GRKERNSEC_CONFIG_DESKTOP -+ bool "Desktop" -+ help -+ Choose this option if you plan to use this kernel on a desktop. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Type" -+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_VIRT_NONE -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_NONE -+ bool "None" -+ help -+ Choose this option if this kernel will be run on bare metal. -+ -+config GRKERNSEC_CONFIG_VIRT_GUEST -+ bool "Guest" -+ help -+ Choose this option if this kernel will be run as a VM guest. -+ -+config GRKERNSEC_CONFIG_VIRT_HOST -+ bool "Host" -+ help -+ Choose this option if this kernel will be run as a VM host. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Hardware" -+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST)) -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_EPT -+ bool "EPT/RVI Processor Support" -+ depends on X86 -+ help -+ Choose this option if your CPU supports the EPT or RVI features of 2nd-gen -+ hardware virtualization. This allows for additional kernel hardening protections -+ to operate without additional performance impact. -+ -+ To see if your Intel processor supports EPT, see: -+ http://ark.intel.com/Products/VirtualizationTechnology -+ (Most Core i3/5/7 support EPT) -+ -+ To see if your AMD processor supports RVI, see: -+ http://support.amd.com/us/kbarticles/Pages/GPU120AMDRVICPUsHyperVWin8.aspx -+ -+config GRKERNSEC_CONFIG_VIRT_SOFT -+ bool "First-gen/No Hardware Virtualization" -+ help -+ Choose this option if you use an Atom/Pentium/Core 2 processor that either doesn't -+ support hardware virtualization or doesn't support the EPT/RVI extensions. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Software" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST)) -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_XEN -+ bool "Xen" -+ help -+ Choose this option if this kernel is running as a Xen guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_VMWARE -+ bool "VMWare" -+ help -+ Choose this option if this kernel is running as a VMWare guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_KVM -+ bool "KVM" -+ help -+ Choose this option if this kernel is running as a KVM guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_VIRTUALBOX -+ bool "VirtualBox" -+ help -+ Choose this option if this kernel is running as a VirtualBox guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_HYPERV -+ bool "Hyper-V" -+ help -+ Choose this option if this kernel is running as a Hyper-V guest. -+ -+endchoice -+ -+choice -+ prompt "Required Priorities" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_PRIORITY_PERF -+ help -+ -+config GRKERNSEC_CONFIG_PRIORITY_PERF -+ bool "Performance" -+ help -+ Choose this option if performance is of highest priority for this deployment -+ of grsecurity. Features like UDEREF on a 64bit kernel, kernel stack clearing, -+ clearing of structures intended for userland, and freed memory sanitizing will -+ be disabled. -+ -+config GRKERNSEC_CONFIG_PRIORITY_SECURITY -+ bool "Security" -+ help -+ Choose this option if security is of highest priority for this deployment of -+ grsecurity. UDEREF, kernel stack clearing, clearing of structures intended -+ for userland, and freed memory sanitizing will be enabled for this kernel. -+ In a worst-case scenario, these features can introduce a 20% performance hit -+ (UDEREF on x64 contributing half of this hit). -+ -+endchoice -+ -+menu "Default Special Groups" -+depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ -+config GRKERNSEC_PROC_GID -+ int "GID exempted from /proc restrictions" -+ default 1001 -+ help -+ Setting this GID determines which group will be exempted from -+ grsecurity's /proc restrictions, allowing users of the specified -+ group to view network statistics and the existence of other users' -+ processes on the system. This GID may also be chosen at boot time -+ via "grsec_proc_gid=" on the kernel commandline. -+ -+config GRKERNSEC_TPE_UNTRUSTED_GID -+ int "GID for TPE-untrusted users" -+ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines which group untrusted users should -+ be added to. These users will be placed under grsecurity's Trusted Path -+ Execution mechanism, preventing them from executing their own binaries. -+ The users will only be able to execute binaries in directories owned and -+ writable only by the root user. If the sysctl option is enabled, a sysctl -+ option with name "tpe_gid" is created. -+ -+config GRKERNSEC_TPE_TRUSTED_GID -+ int "GID for TPE-trusted users" -+ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *disabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+config GRKERNSEC_SYMLINKOWN_GID -+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch" -+ depends on GRKERNSEC_CONFIG_SERVER -+ default 1006 -+ help -+ Setting this GID determines what group kernel-enforced -+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option -+ is enabled, a sysctl option with name "symlinkown_gid" is created. -+ -+ -+endmenu -+ -+menu "Customize Configuration" -+depends on GRKERNSEC -+ -+menu "PaX" -+ -+config PAX -+ bool "Enable various PaX features" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86) -+ help -+ This allows you to enable various PaX features. PaX adds -+ intrusion prevention mechanisms to the kernel that reduce -+ the risks posed by exploitable memory corruption bugs. -+ -+menu "PaX Control" -+ depends on PAX -+ -+config PAX_SOFTMODE -+ bool 'Support soft mode' -+ help -+ Enabling this option will allow you to run PaX in soft mode, that -+ is, PaX features will not be enforced by default, only on executables -+ marked explicitly. You must also enable PT_PAX_FLAGS or XATTR_PAX_FLAGS -+ support as they are the only way to mark executables for soft mode use. -+ -+ Soft mode can be activated by using the "pax_softmode=1" kernel command -+ line option on boot. Furthermore you can control various PaX features -+ at runtime via the entries in /proc/sys/kernel/pax. -+ -+config PAX_EI_PAX -+ bool 'Use legacy ELF header marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'chpax' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ an otherwise reserved part of the ELF header. This marking has -+ numerous drawbacks (no support for soft-mode, toolchain does not -+ know about the non-standard use of the ELF header) therefore it -+ has been deprecated in favour of PT_PAX_FLAGS and XATTR_PAX_FLAGS -+ support. -+ -+ Note that if you enable PT_PAX_FLAGS or XATTR_PAX_FLAGS marking -+ support as well, they will override the legacy EI_PAX marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+config PAX_PT_PAX_FLAGS -+ bool 'Use ELF program header marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'paxctl' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ a PaX specific ELF program header (PT_PAX_FLAGS). This marking -+ has the benefits of supporting both soft mode and being fully -+ integrated into the toolchain (the binutils patch is available -+ from http://pax.grsecurity.net). -+ -+ Note that if you enable the legacy EI_PAX marking support as well, -+ the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks. -+ -+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you -+ must make sure that the marks are the same if a binary has both marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+config PAX_XATTR_PAX_FLAGS -+ bool 'Use filesystem extended attributes marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ select CIFS_XATTR if CIFS -+ select EXT2_FS_XATTR if EXT2_FS -+ select EXT3_FS_XATTR if EXT3_FS -+ select F2FS_FS_XATTR if F2FS_FS -+ select JFFS2_FS_XATTR if JFFS2_FS -+ select REISERFS_FS_XATTR if REISERFS_FS -+ select SQUASHFS_XATTR if SQUASHFS -+ select TMPFS_XATTR if TMPFS -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'setfattr' utility. The control -+ flags will be read from the user.pax.flags extended attribute of -+ the file. This marking has the benefit of supporting binary-only -+ applications that self-check themselves (e.g., skype) and would -+ not tolerate chpax/paxctl changes. The main drawback is that -+ extended attributes are not supported by some filesystems (e.g., -+ isofs, udf, vfat) so copying files through such filesystems will -+ lose the extended attributes and these PaX markings. -+ -+ Note that if you enable the legacy EI_PAX marking support as well, -+ the EI_PAX marks will be overridden by the XATTR_PAX_FLAGS marks. -+ -+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you -+ must make sure that the marks are the same if a binary has both marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+choice -+ prompt 'MAC system integration' -+ default PAX_HAVE_ACL_FLAGS -+ help -+ Mandatory Access Control systems have the option of controlling -+ PaX flags on a per executable basis, choose the method supported -+ by your particular system. -+ -+ - "none": if your MAC system does not interact with PaX, -+ - "direct": if your MAC system defines pax_set_initial_flags() itself, -+ - "hook": if your MAC system uses the pax_set_initial_flags_func callback. -+ -+ NOTE: this option is for developers/integrators only. -+ -+ config PAX_NO_ACL_FLAGS -+ bool 'none' -+ -+ config PAX_HAVE_ACL_FLAGS -+ bool 'direct' -+ -+ config PAX_HOOK_ACL_FLAGS -+ bool 'hook' -+endchoice -+ -+endmenu -+ -+menu "Non-executable pages" -+ depends on PAX -+ -+config PAX_NOEXEC -+ bool "Enforce non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on ALPHA || (ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86 -+ help -+ By design some architectures do not allow for protecting memory -+ pages against execution or even if they do, Linux does not make -+ use of this feature. In practice this means that if a page is -+ readable (such as the stack or heap) it is also executable. -+ -+ There is a well known exploit technique that makes use of this -+ fact and a common programming mistake where an attacker can -+ introduce code of his choice somewhere in the attacked program's -+ memory (typically the stack or the heap) and then execute it. -+ -+ If the attacked program was running with different (typically -+ higher) privileges than that of the attacker, then he can elevate -+ his own privilege level (e.g. get a root shell, write to files for -+ which he does not have write access to, etc). -+ -+ Enabling this option will let you choose from various features -+ that prevent the injection and execution of 'foreign' code in -+ a program. -+ -+ This will also break programs that rely on the old behaviour and -+ expect that dynamically allocated memory via the malloc() family -+ of functions is executable (which it is not). Notable examples -+ are the XFree86 4.x server, the java runtime and wine. -+ -+config PAX_PAGEEXEC -+ bool "Paging based non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7) -+ select ARCH_TRACK_EXEC_LIMIT if X86_32 -+ help -+ This implementation is based on the paging feature of the CPU. -+ On i386 without hardware non-executable bit support there is a -+ variable but usually low performance impact, however on Intel's -+ P4 core based CPUs it is very high so you should not enable this -+ for kernels meant to be used on such CPUs. -+ -+ On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386 -+ with hardware non-executable bit support there is no performance -+ impact, on ppc the impact is negligible. -+ -+ Note that several architectures require various emulations due to -+ badly designed userland ABIs, this will cause a performance impact -+ but will disappear as soon as userland is fixed. For example, ppc -+ userland MUST have been built with secure-plt by a recent toolchain. -+ -+config PAX_SEGMEXEC -+ bool "Segmentation based non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_NOEXEC && X86_32 -+ help -+ This implementation is based on the segmentation feature of the -+ CPU and has a very small performance impact, however applications -+ will be limited to a 1.5 GB address space instead of the normal -+ 3 GB. -+ -+config PAX_EMUTRAMP -+ bool "Emulate trampolines" -+ default y if PARISC || GRKERNSEC_CONFIG_AUTO -+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86) -+ help -+ There are some programs and libraries that for one reason or -+ another attempt to execute special small code snippets from -+ non-executable memory pages. Most notable examples are the -+ signal handler return code generated by the kernel itself and -+ the GCC trampolines. -+ -+ If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then -+ such programs will no longer work under your kernel. -+ -+ As a remedy you can say Y here and use the 'chpax' or 'paxctl' -+ utilities to enable trampoline emulation for the affected programs -+ yet still have the protection provided by the non-executable pages. -+ -+ On parisc you MUST enable this option and EMUSIGRT as well, otherwise -+ your system will not even boot. -+ -+ Alternatively you can say N here and use the 'chpax' or 'paxctl' -+ utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC -+ for the affected files. -+ -+ NOTE: enabling this feature *may* open up a loophole in the -+ protection provided by non-executable pages that an attacker -+ could abuse. Therefore the best solution is to not have any -+ files on your system that would require this option. This can -+ be achieved by not using libc5 (which relies on the kernel -+ signal handler return code) and not using or rewriting programs -+ that make use of the nested function implementation of GCC. -+ Skilled users can just fix GCC itself so that it implements -+ nested function calls in a way that does not interfere with PaX. -+ -+config PAX_EMUSIGRT -+ bool "Automatically emulate sigreturn trampolines" -+ depends on PAX_EMUTRAMP && PARISC -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate signal return trampolines executing on the stack -+ that would otherwise lead to task termination. -+ -+ This solution is intended as a temporary one for users with -+ legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17, -+ Modula-3 runtime, etc) or executables linked to such, basically -+ everything that does not specify its own SA_RESTORER function in -+ normal executable memory like glibc 2.1+ does. -+ -+ On parisc you MUST enable this option, otherwise your system will -+ not even boot. -+ -+ NOTE: this feature cannot be disabled on a per executable basis -+ and since it *does* open up a loophole in the protection provided -+ by non-executable pages, the best solution is to not have any -+ files on your system that would require this option. -+ -+config PAX_MPROTECT -+ bool "Restrict mprotect()" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) -+ help -+ Enabling this option will prevent programs from -+ - changing the executable status of memory pages that were -+ not originally created as executable, -+ - making read-only executable pages writable again, -+ - creating executable pages from anonymous memory, -+ - making read-only-after-relocations (RELRO) data pages writable again. -+ -+ You should say Y here to complete the protection provided by -+ the enforcement of non-executable pages. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_MPROTECT_COMPAT -+ bool "Use legacy/compat protection demoting (read help)" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP) -+ depends on PAX_MPROTECT -+ help -+ The current implementation of PAX_MPROTECT denies RWX allocations/mprotects -+ by sending the proper error code to the application. For some broken -+ userland, this can cause problems with Python or other applications. The -+ current implementation however allows for applications like clamav to -+ detect if JIT compilation/execution is allowed and to fall back gracefully -+ to an interpreter-based mode if it does not. While we encourage everyone -+ to use the current implementation as-is and push upstream to fix broken -+ userland (note that the RWX logging option can assist with this), in some -+ environments this may not be possible. Having to disable MPROTECT -+ completely on certain binaries reduces the security benefit of PaX, -+ so this option is provided for those environments to revert to the old -+ behavior. -+ -+config PAX_ELFRELOCS -+ bool "Allow ELF text relocations (read help)" -+ depends on PAX_MPROTECT -+ default n -+ help -+ Non-executable pages and mprotect() restrictions are effective -+ in preventing the introduction of new executable code into an -+ attacked task's address space. There remain only two venues -+ for this kind of attack: if the attacker can execute already -+ existing code in the attacked task then he can either have it -+ create and mmap() a file containing his code or have it mmap() -+ an already existing ELF library that does not have position -+ independent code in it and use mprotect() on it to make it -+ writable and copy his code there. While protecting against -+ the former approach is beyond PaX, the latter can be prevented -+ by having only PIC ELF libraries on one's system (which do not -+ need to relocate their code). If you are sure this is your case, -+ as is the case with all modern Linux distributions, then leave -+ this option disabled. You should say 'n' here. -+ -+config PAX_ETEXECRELOCS -+ bool "Allow ELF ET_EXEC text relocations" -+ depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC) -+ select PAX_ELFRELOCS -+ default y -+ help -+ On some architectures there are incorrectly created applications -+ that require text relocations and would not work without enabling -+ this option. If you are an alpha, ia64 or parisc user, you should -+ enable this option and disable it once you have made sure that -+ none of your applications need it. -+ -+config PAX_EMUPLT -+ bool "Automatically emulate ELF PLT" -+ depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC) -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate the Procedure Linkage Table entries in ELF files. -+ On some architectures such entries are in writable memory, and -+ become non-executable leading to task termination. Therefore -+ it is mandatory that you enable this option on alpha, parisc, -+ sparc and sparc64, otherwise your system would not even boot. -+ -+ NOTE: this feature *does* open up a loophole in the protection -+ provided by the non-executable pages, therefore the proper -+ solution is to modify the toolchain to produce a PLT that does -+ not need to be writable. -+ -+config PAX_DLRESOLVE -+ bool 'Emulate old glibc resolver stub' -+ depends on PAX_EMUPLT && SPARC -+ default n -+ help -+ This option is needed if userland has an old glibc (before 2.4) -+ that puts a 'save' instruction into the runtime generated resolver -+ stub that needs special emulation. -+ -+config PAX_KERNEXEC -+ bool "Enforce non-executable kernel pages" -+ default y if GRKERNSEC_CONFIG_AUTO && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_GUEST) || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_KVM)) -+ depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !(ARM_LPAE && MODULES))) && !XEN -+ select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE) -+ select PAX_KERNEXEC_PLUGIN if X86_64 -+ select ARM_KERNMEM_PERMS if ARM -+ help -+ This is the kernel land equivalent of PAGEEXEC and MPROTECT, -+ that is, enabling this option will make it harder to inject -+ and execute 'foreign' code in kernel memory itself. -+ -+ Note that on amd64, CONFIG_EFI enabled with "efi=old_map" on -+ the kernel command-line will result in an RWX physical map. -+ -+ Likewise, the EFI runtime services are necessarily mapped as -+ RWX. If CONFIG_EFI is enabled on an EFI-capable system, it -+ is recommended that you boot with "noefi" on the kernel -+ command-line if possible to eliminate the mapping. -+ -+choice -+ prompt "Return Address Instrumentation Method" -+ default PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ depends on PAX_KERNEXEC_PLUGIN -+ help -+ Select the method used to instrument function pointer dereferences. -+ Note that binary modules cannot be instrumented by this approach. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ config PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ bool "bts" -+ help -+ This method is compatible with binary only modules but has -+ a higher runtime overhead. -+ -+ config PAX_KERNEXEC_PLUGIN_METHOD_OR -+ bool "or" -+ depends on !PARAVIRT -+ help -+ This method is incompatible with binary only modules but has -+ a lower runtime overhead. -+endchoice -+ -+config PAX_KERNEXEC_PLUGIN_METHOD -+ string -+ default "bts" if PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ default "or" if PAX_KERNEXEC_PLUGIN_METHOD_OR -+ default "" -+ -+config PAX_KERNEXEC_MODULE_TEXT -+ int "Minimum amount of memory reserved for module code" -+ default "8" if (!GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_SERVER) -+ default "12" if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP) -+ depends on PAX_KERNEXEC && X86_32 -+ help -+ Due to implementation details the kernel must reserve a fixed -+ amount of memory for runtime allocated code (such as modules) -+ at compile time that cannot be changed at runtime. Here you -+ can specify the minimum amount in MB that will be reserved. -+ Due to the same implementation details this size will always -+ be rounded up to the next 2/4 MB boundary (depends on PAE) so -+ the actually available memory for runtime allocated code will -+ usually be more than this minimum. -+ -+ The default 4 MB should be enough for most users but if you have -+ an excessive number of modules (e.g., most distribution configs -+ compile many drivers as modules) or use huge modules such as -+ nvidia's kernel driver, you will need to adjust this amount. -+ A good rule of thumb is to look at your currently loaded kernel -+ modules and add up their sizes. -+ -+endmenu -+ -+menu "Address Space Layout Randomization" -+ depends on PAX -+ -+config PAX_ASLR -+ bool "Address Space Layout Randomization" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Many if not most exploit techniques rely on the knowledge of -+ certain addresses in the attacked program. The following options -+ will allow the kernel to apply a certain amount of randomization -+ to specific parts of the program thereby forcing an attacker to -+ guess them in most cases. Any failed guess will most likely crash -+ the attacked program which allows the kernel to detect such attempts -+ and react on them. PaX itself provides no reaction mechanisms, -+ instead it is strongly encouraged that you make use of grsecurity's -+ (http://www.grsecurity.net/) built-in crash detection features or -+ develop one yourself. -+ -+ By saying Y here you can choose to randomize the following areas: -+ - top of the task's kernel stack -+ - top of the task's userland stack -+ - base address for mmap() requests that do not specify one -+ (this includes all libraries) -+ - base address of the main executable -+ -+ It is strongly recommended to say Y here as address space layout -+ randomization has negligible impact on performance yet it provides -+ a very effective protection. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_RANDKSTACK -+ bool "Randomize kernel stack base" -+ default y if GRKERNSEC_CONFIG_AUTO && !(GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_VIRTUALBOX) -+ depends on X86_TSC && X86 -+ help -+ By saying Y here the kernel will randomize every task's kernel -+ stack on every system call. This will not only force an attacker -+ to guess it but also prevent him from making use of possible -+ leaked information about it. -+ -+ Since the kernel stack is a rather scarce resource, randomization -+ may cause unexpected stack overflows, therefore you should very -+ carefully test your system. Note that once enabled in the kernel -+ configuration, this feature cannot be disabled on a per file basis. -+ -+config PAX_RANDUSTACK -+ bool -+ -+config PAX_RANDMMAP -+ bool "Randomize user stack and mmap() bases" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_ASLR -+ select PAX_RANDUSTACK -+ help -+ By saying Y here the kernel will randomize every task's userland -+ stack and use a randomized base address for mmap() requests that -+ do not specify one themselves. -+ -+ The stack randomization is done in two steps where the second -+ one may apply a big amount of shift to the top of the stack and -+ cause problems for programs that want to use lots of memory (more -+ than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is). -+ -+ As a result of mmap randomization all dynamically loaded libraries -+ will appear at random addresses and therefore be harder to exploit -+ by a technique where an attacker attempts to execute library code -+ for his purposes (e.g. spawn a shell from an exploited program that -+ is running at an elevated privilege level). -+ -+ Furthermore, if a program is relinked as a dynamic ELF file, its -+ base address will be randomized as well, completing the full -+ randomization of the address space layout. Attacking such programs -+ becomes a guess game. You can find an example of doing this at -+ http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at -+ http://www.grsecurity.net/grsec-gcc-specs.tar.gz . -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control this -+ feature on a per file basis. -+ -+endmenu -+ -+menu "Miscellaneous hardening features" -+ -+config PAX_MEMORY_SANITIZE -+ bool "Sanitize all freed memory" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ help -+ By saying Y here the kernel will erase memory pages and slab objects -+ as soon as they are freed. This in turn reduces the lifetime of data -+ stored in them, making it less likely that sensitive information such -+ as passwords, cryptographic secrets, etc stay in memory for too long. -+ -+ This is especially useful for programs whose runtime is short, long -+ lived processes and the kernel itself benefit from this as long as -+ they ensure timely freeing of memory that may hold sensitive -+ information. -+ -+ A nice side effect of the sanitization of slab objects is the -+ reduction of possible info leaks caused by padding bytes within the -+ leaky structures. Use-after-free bugs for structures containing -+ pointers can also be detected as dereferencing the sanitized pointer -+ will generate an access violation. -+ -+ The tradeoff is performance impact, on a single CPU system kernel -+ compilation sees a 3% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ The slab sanitization feature excludes a few slab caches per default -+ for performance reasons. To extend the feature to cover those as -+ well, pass "pax_sanitize_slab=full" as kernel command line parameter. -+ -+ To reduce the performance penalty by sanitizing pages only, albeit -+ limiting the effectiveness of this feature at the same time, slab -+ sanitization can be disabled with the kernel command line parameter -+ "pax_sanitize_slab=off". -+ -+ Note that this feature does not protect data stored in live pages, -+ e.g., process memory swapped to disk may stay there for a long time. -+ -+config PAX_MEMORY_STACKLEAK -+ bool "Sanitize kernel stack" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ depends on X86 -+ help -+ By saying Y here the kernel will erase the kernel stack before it -+ returns from a system call. This in turn reduces the information -+ that a kernel stack leak bug can reveal. -+ -+ Note that such a bug can still leak information that was put on -+ the stack by the current system call (the one eventually triggering -+ the bug) but traces of earlier system calls on the kernel stack -+ cannot leak anymore. -+ -+ The tradeoff is performance impact: on a single CPU system kernel -+ compilation sees a 1% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ Note that the full feature requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. Using -+ older gcc versions means that functions with large enough stack -+ frames may leave uninitialized memory behind that may be exposed -+ to a later syscall leaking the stack. -+ -+config PAX_MEMORY_STRUCTLEAK -+ bool "Forcibly initialize local variables copied to userland" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ help -+ By saying Y here the kernel will zero initialize some local -+ variables that are going to be copied to userland. This in -+ turn prevents unintended information leakage from the kernel -+ stack should later code forget to explicitly set all parts of -+ the copied variable. -+ -+ The tradeoff is less performance impact than PAX_MEMORY_STACKLEAK -+ at a much smaller coverage. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+config PAX_MEMORY_UDEREF -+ bool "Prevent invalid userland pointer dereference" -+ default y if GRKERNSEC_CONFIG_AUTO && !(X86_64 && GRKERNSEC_CONFIG_PRIORITY_PERF) && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || GRKERNSEC_CONFIG_VIRT_EPT) -+ depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !ARM_LPAE)) && !UML_X86 && !XEN -+ select PAX_PER_CPU_PGD if X86_64 -+ help -+ By saying Y here the kernel will be prevented from dereferencing -+ userland pointers in contexts where the kernel expects only kernel -+ pointers. This is both a useful runtime debugging feature and a -+ security measure that prevents exploiting a class of kernel bugs. -+ -+ The tradeoff is that some virtualization solutions may experience -+ a huge slowdown and therefore you should not enable this feature -+ for kernels meant to run in such environments. Whether a given VM -+ solution is affected or not is best determined by simply trying it -+ out, the performance impact will be obvious right on boot as this -+ mechanism engages from very early on. A good rule of thumb is that -+ VMs running on CPUs without hardware virtualization support (i.e., -+ the majority of IA-32 CPUs) will likely experience the slowdown. -+ -+ On X86_64 the kernel will make use of PCID support when available -+ (Intel's Westmere, Sandy Bridge, etc) for better security (default) -+ or performance impact. Pass pax_weakuderef on the kernel command -+ line to choose the latter. -+ -+config PAX_REFCOUNT -+ bool "Prevent various kernel object reference counter overflows" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC && ((ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || MIPS || PPC || SPARC64 || X86) -+ help -+ By saying Y here the kernel will detect and prevent overflowing -+ various (but not all) kinds of object reference counters. Such -+ overflows can normally occur due to bugs only and are often, if -+ not always, exploitable. -+ -+ The tradeoff is that data structures protected by an overflowed -+ refcount will never be freed and therefore will leak memory. Note -+ that this leak also happens even without this protection but in -+ that case the overflow can eventually trigger the freeing of the -+ data structure while it is still being used elsewhere, resulting -+ in the exploitable situation that this feature prevents. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+config PAX_CONSTIFY_PLUGIN -+ bool "Automatically constify eligible structures" -+ default y -+ depends on !UML && PAX_KERNEXEC -+ help -+ By saying Y here the compiler will automatically constify a class -+ of types that contain only function pointers. This reduces the -+ kernel's attack surface and also produces a better memory layout. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ Note that if some code really has to modify constified variables -+ then the source code will have to be patched to allow it. Examples -+ can be found in PaX itself (the no_const attribute) and for some -+ out-of-tree modules at http://www.grsecurity.net/~paxguy1/ . -+ -+config PAX_USERCOPY -+ bool "Harden heap object copies between kernel and userland" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on ARM || IA64 || PPC || SPARC || X86 -+ depends on GRKERNSEC && (SLAB || SLUB || SLOB) -+ select PAX_USERCOPY_SLABS -+ help -+ By saying Y here the kernel will enforce the size of heap objects -+ when they are copied in either direction between the kernel and -+ userland, even if only a part of the heap object is copied. -+ -+ Specifically, this checking prevents information leaking from the -+ kernel heap during kernel to userland copies (if the kernel heap -+ object is otherwise fully initialized) and prevents kernel heap -+ overflows during userland to kernel copies. -+ -+ Note that the current implementation provides the strictest bounds -+ checks for the SLUB allocator. -+ -+ Enabling this option also enables per-slab cache protection against -+ data in a given cache being copied into/out of via userland -+ accessors. Though the whitelist of regions will be reduced over -+ time, it notably protects important data structures like task structs. -+ -+ If frame pointers are enabled on x86, this option will also restrict -+ copies into and out of the kernel stack to local variables within a -+ single frame. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+config PAX_USERCOPY_DEBUG -+ bool -+ depends on X86 && PAX_USERCOPY -+ default n -+ -+config PAX_SIZE_OVERFLOW -+ bool "Prevent various integer overflows in function size parameters" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on X86 -+ help -+ By saying Y here the kernel recomputes expressions of function -+ arguments marked by a size_overflow attribute with double integer -+ precision (DImode/TImode for 32/64 bit integer types). -+ -+ The recomputed argument is checked against TYPE_MAX and an event -+ is logged on overflow and the triggering process is killed. -+ -+ Homepage: http://www.grsecurity.net/~ephox/overflow_plugin/ -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+config PAX_LATENT_ENTROPY -+ bool "Generate some entropy during boot and runtime" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ By saying Y here the kernel will instrument some kernel code to -+ extract some entropy from both original and artificially created -+ program state. This will help especially embedded systems where -+ there is little 'natural' source of entropy normally. The cost -+ is some slowdown of the boot process and fork and irq processing. -+ -+ When pax_extra_latent_entropy is passed on the kernel command line, -+ entropy will be extracted from up to the first 4GB of RAM while the -+ runtime memory allocator is being initialized. This costs even more -+ slowdown of the boot process. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ Note that entropy extracted this way is not cryptographically -+ secure! -+ -+endmenu -+ -+endmenu -+ -+source grsecurity/Kconfig -+ -+endmenu -+ -+endmenu -+ - source security/keys/Kconfig - - config SECURITY_DMESG_RESTRICT -@@ -104,7 +1079,7 @@ config INTEL_TXT - config LSM_MMAP_MIN_ADDR - int "Low address space for LSM to protect from user allocation" - depends on SECURITY && SECURITY_SELINUX -- default 32768 if ARM || (ARM64 && COMPAT) -+ default 32768 if ALPHA || ARM || (ARM64 && COMPAT) || PARISC || SPARC32 - default 65536 - help - This is the portion of low virtual memory which should be protected -diff --git a/security/apparmor/file.c b/security/apparmor/file.c -index 913f377..6e392d5 100644 ---- a/security/apparmor/file.c -+++ b/security/apparmor/file.c -@@ -348,8 +348,8 @@ static inline bool xindex_is_subset(u32 link, u32 target) - int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry, - struct path *new_dir, struct dentry *new_dentry) - { -- struct path link = { new_dir->mnt, new_dentry }; -- struct path target = { new_dir->mnt, old_dentry }; -+ struct path link = { .mnt = new_dir->mnt, .dentry = new_dentry }; -+ struct path target = { .mnt = new_dir->mnt, .dentry = old_dentry }; - struct path_cond cond = { - d_backing_inode(old_dentry)->i_uid, - d_backing_inode(old_dentry)->i_mode -diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c -index e5f1561..c351c05 100644 ---- a/security/apparmor/lsm.c -+++ b/security/apparmor/lsm.c -@@ -186,7 +186,7 @@ static int common_perm_dir_dentry(int op, struct path *dir, - struct dentry *dentry, u32 mask, - struct path_cond *cond) - { -- struct path path = { dir->mnt, dentry }; -+ struct path path = { .mnt = dir->mnt, .dentry = dentry }; - - return common_perm(op, &path, mask, cond); - } -@@ -203,7 +203,7 @@ static int common_perm_dir_dentry(int op, struct path *dir, - static int common_perm_mnt_dentry(int op, struct vfsmount *mnt, - struct dentry *dentry, u32 mask) - { -- struct path path = { mnt, dentry }; -+ struct path path = { .mnt = mnt, .dentry = dentry }; - struct path_cond cond = { d_backing_inode(dentry)->i_uid, - d_backing_inode(dentry)->i_mode - }; -@@ -325,8 +325,8 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry, - - profile = aa_current_profile(); - if (!unconfined(profile)) { -- struct path old_path = { old_dir->mnt, old_dentry }; -- struct path new_path = { new_dir->mnt, new_dentry }; -+ struct path old_path = { .mnt = old_dir->mnt, .dentry = old_dentry }; -+ struct path new_path = { .mnt = new_dir->mnt, .dentry = new_dentry }; - struct path_cond cond = { d_backing_inode(old_dentry)->i_uid, - d_backing_inode(old_dentry)->i_mode - }; -@@ -615,7 +615,7 @@ static int apparmor_task_setrlimit(struct task_struct *task, - return error; - } - --static struct security_operations apparmor_ops = { -+static struct security_operations apparmor_ops __read_only = { - .name = "apparmor", - - .ptrace_access_check = apparmor_ptrace_access_check, -diff --git a/security/commoncap.c b/security/commoncap.c -index f2875cd..9fc1de0 100644 ---- a/security/commoncap.c -+++ b/security/commoncap.c -@@ -427,6 +427,32 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data - return 0; - } - -+/* returns: -+ 1 for suid privilege -+ 2 for sgid privilege -+ 3 for fscap privilege -+*/ -+int is_privileged_binary(const struct dentry *dentry) -+{ -+ struct cpu_vfs_cap_data capdata; -+ struct inode *inode = dentry->d_inode; -+ -+ if (!inode || S_ISDIR(inode->i_mode)) -+ return 0; -+ -+ if (inode->i_mode & S_ISUID) -+ return 1; -+ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) -+ return 2; -+ -+ if (!get_vfs_caps_from_disk(dentry, &capdata)) { -+ if (!cap_isclear(capdata.inheritable) || !cap_isclear(capdata.permitted)) -+ return 3; -+ } -+ -+ return 0; -+} -+ - /* - * Attempt to get the on-exec apply capability sets for an executable file from - * its xattrs and, if present, apply them to the proposed credentials being -@@ -591,6 +617,9 @@ int cap_bprm_secureexec(struct linux_binprm *bprm) - const struct cred *cred = current_cred(); - kuid_t root_uid = make_kuid(cred->user_ns, 0); - -+ if (gr_acl_enable_at_secure()) -+ return 1; -+ - if (!uid_eq(cred->uid, root_uid)) { - if (bprm->cap_effective) - return 1; -diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h -index fc56d4d..ac97140 100644 ---- a/security/integrity/ima/ima.h -+++ b/security/integrity/ima/ima.h -@@ -116,8 +116,8 @@ int ima_init_template(void); - extern spinlock_t ima_queue_lock; - - struct ima_h_table { -- atomic_long_t len; /* number of stored measurements in the list */ -- atomic_long_t violations; -+ atomic_long_unchecked_t len; /* number of stored measurements in the list */ -+ atomic_long_unchecked_t violations; - struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE]; - }; - extern struct ima_h_table ima_htable; -diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c -index b8a27c5..50a769f 100644 ---- a/security/integrity/ima/ima_api.c -+++ b/security/integrity/ima/ima_api.c -@@ -137,7 +137,7 @@ void ima_add_violation(struct file *file, const unsigned char *filename, - int result; - - /* can overflow, only indicator */ -- atomic_long_inc(&ima_htable.violations); -+ atomic_long_inc_unchecked(&ima_htable.violations); - - result = ima_alloc_init_template(NULL, file, filename, - NULL, 0, &entry); -diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c -index 816d175..20079ae 100644 ---- a/security/integrity/ima/ima_fs.c -+++ b/security/integrity/ima/ima_fs.c -@@ -28,12 +28,12 @@ - static int valid_policy = 1; - #define TMPBUFLEN 12 - static ssize_t ima_show_htable_value(char __user *buf, size_t count, -- loff_t *ppos, atomic_long_t *val) -+ loff_t *ppos, atomic_long_unchecked_t *val) - { - char tmpbuf[TMPBUFLEN]; - ssize_t len; - -- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val)); -+ len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val)); - return simple_read_from_buffer(buf, count, ppos, tmpbuf, len); - } - -diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c -index 552705d..9920f4fb 100644 ---- a/security/integrity/ima/ima_queue.c -+++ b/security/integrity/ima/ima_queue.c -@@ -83,7 +83,7 @@ static int ima_add_digest_entry(struct ima_template_entry *entry) - INIT_LIST_HEAD(&qe->later); - list_add_tail_rcu(&qe->later, &ima_measurements); - -- atomic_long_inc(&ima_htable.len); -+ atomic_long_inc_unchecked(&ima_htable.len); - key = ima_hash_key(entry->digest); - hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]); - return 0; -diff --git a/security/keys/key.c b/security/keys/key.c -index aee2ec5..c276071 100644 ---- a/security/keys/key.c -+++ b/security/keys/key.c -@@ -283,7 +283,7 @@ struct key *key_alloc(struct key_type *type, const char *desc, - - atomic_set(&key->usage, 1); - init_rwsem(&key->sem); -- lockdep_set_class(&key->sem, &type->lock_class); -+ lockdep_set_class(&key->sem, (struct lock_class_key *)&type->lock_class); - key->index_key.type = type; - key->user = user; - key->quotalen = quotalen; -@@ -1073,7 +1073,9 @@ int register_key_type(struct key_type *ktype) - struct key_type *p; - int ret; - -- memset(&ktype->lock_class, 0, sizeof(ktype->lock_class)); -+ pax_open_kernel(); -+ memset((void *)&ktype->lock_class, 0, sizeof(ktype->lock_class)); -+ pax_close_kernel(); - - ret = -EEXIST; - down_write(&key_types_sem); -@@ -1085,7 +1087,7 @@ int register_key_type(struct key_type *ktype) - } - - /* store the type */ -- list_add(&ktype->link, &key_types_list); -+ pax_list_add((struct list_head *)&ktype->link, &key_types_list); - - pr_notice("Key type %s registered\n", ktype->name); - ret = 0; -@@ -1107,7 +1109,7 @@ EXPORT_SYMBOL(register_key_type); - void unregister_key_type(struct key_type *ktype) - { - down_write(&key_types_sem); -- list_del_init(&ktype->link); -+ pax_list_del_init((struct list_head *)&ktype->link); - downgrade_write(&key_types_sem); - key_gc_keytype(ktype); - pr_notice("Key type %s unregistered\n", ktype->name); -@@ -1125,10 +1127,10 @@ void __init key_init(void) - 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); - - /* add the special key types */ -- list_add_tail(&key_type_keyring.link, &key_types_list); -- list_add_tail(&key_type_dead.link, &key_types_list); -- list_add_tail(&key_type_user.link, &key_types_list); -- list_add_tail(&key_type_logon.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_keyring.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_dead.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_user.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_logon.link, &key_types_list); - - /* record the root user tracking */ - rb_link_node(&root_key_user.node, -diff --git a/security/min_addr.c b/security/min_addr.c -index f728728..6457a0c 100644 ---- a/security/min_addr.c -+++ b/security/min_addr.c -@@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR; - */ - static void update_mmap_min_addr(void) - { -+#ifndef SPARC - #ifdef CONFIG_LSM_MMAP_MIN_ADDR - if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR) - mmap_min_addr = dac_mmap_min_addr; -@@ -22,6 +23,7 @@ static void update_mmap_min_addr(void) - #else - mmap_min_addr = dac_mmap_min_addr; - #endif -+#endif - } - - /* -diff --git a/security/security.c b/security/security.c -index 8e9b1f4..cda8e4c 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -33,8 +33,8 @@ - static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = - CONFIG_DEFAULT_SECURITY; - --static struct security_operations *security_ops; --static struct security_operations default_security_ops = { -+struct security_operations *security_ops __read_only; -+struct security_operations default_security_ops __read_only = { - .name = "default", - }; - -@@ -73,11 +73,6 @@ int __init security_init(void) - return 0; - } - --void reset_security_ops(void) --{ -- security_ops = &default_security_ops; --} -- - /* Save user chosen LSM */ - static int __init choose_lsm(char *str) - { -diff --git a/security/selinux/avc.c b/security/selinux/avc.c -index 3c17dda..482b12c 100644 ---- a/security/selinux/avc.c -+++ b/security/selinux/avc.c -@@ -59,7 +59,7 @@ struct avc_node { - struct avc_cache { - struct hlist_head slots[AVC_CACHE_SLOTS]; /* head for avc_node->list */ - spinlock_t slots_lock[AVC_CACHE_SLOTS]; /* lock for writes */ -- atomic_t lru_hint; /* LRU hint for reclaim scan */ -+ atomic_unchecked_t lru_hint; /* LRU hint for reclaim scan */ - atomic_t active_nodes; - u32 latest_notif; /* latest revocation notification */ - }; -@@ -167,7 +167,7 @@ void __init avc_init(void) - spin_lock_init(&avc_cache.slots_lock[i]); - } - atomic_set(&avc_cache.active_nodes, 0); -- atomic_set(&avc_cache.lru_hint, 0); -+ atomic_set_unchecked(&avc_cache.lru_hint, 0); - - avc_node_cachep = kmem_cache_create("avc_node", sizeof(struct avc_node), - 0, SLAB_PANIC, NULL); -@@ -242,7 +242,7 @@ static inline int avc_reclaim_node(void) - spinlock_t *lock; - - for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) { -- hvalue = atomic_inc_return(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1); -+ hvalue = atomic_inc_return_unchecked(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1); - head = &avc_cache.slots[hvalue]; - lock = &avc_cache.slots_lock[hvalue]; - -diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c -index 7f8d7f1..3436ea3 100644 ---- a/security/selinux/hooks.c -+++ b/security/selinux/hooks.c -@@ -5842,7 +5842,8 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer) - - #endif - --static struct security_operations selinux_ops = { -+static struct security_operations selinux_ops __read_only = { -+ .name = "selinux", - .name = "selinux", - - .binder_set_context_mgr = selinux_binder_set_context_mgr, -@@ -6187,6 +6188,9 @@ static void selinux_nf_ip_exit(void) - #ifdef CONFIG_SECURITY_SELINUX_DISABLE - static int selinux_disabled; - -+extern struct security_operations *security_ops; -+extern struct security_operations default_security_ops; -+ - int selinux_disable(void) - { - if (ss_initialized) { -@@ -6204,7 +6208,9 @@ int selinux_disable(void) - selinux_disabled = 1; - selinux_enabled = 0; - -- reset_security_ops(); -+ pax_open_kernel(); -+ security_ops = &default_security_ops; -+ pax_close_kernel(); - - /* Try to destroy the avc node cache */ - avc_disable(); -diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h -index 1450f85..a91e0bc 100644 ---- a/security/selinux/include/xfrm.h -+++ b/security/selinux/include/xfrm.h -@@ -48,7 +48,7 @@ static inline void selinux_xfrm_notify_policyload(void) - - rtnl_lock(); - for_each_net(net) { -- atomic_inc(&net->xfrm.flow_cache_genid); -+ atomic_inc_unchecked(&net->xfrm.flow_cache_genid); - rt_genid_bump_all(net); - } - rtnl_unlock(); -diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c -index b644757..3763b10 100644 ---- a/security/smack/smack_lsm.c -+++ b/security/smack/smack_lsm.c -@@ -4266,7 +4266,7 @@ static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) - return 0; - } - --struct security_operations smack_ops = { -+struct security_operations smack_ops __read_only = { - .name = "smack", - - .ptrace_access_check = smack_ptrace_access_check, -diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c -index 2367b10..a0c3c51 100644 ---- a/security/tomoyo/file.c -+++ b/security/tomoyo/file.c -@@ -692,7 +692,7 @@ int tomoyo_path_number_perm(const u8 type, struct path *path, - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error = -ENOMEM; - struct tomoyo_path_info buf; -@@ -740,7 +740,7 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain, - struct tomoyo_path_info buf; - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int idx; - -@@ -786,7 +786,7 @@ int tomoyo_path_perm(const u8 operation, const struct path *path, const char *ta - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error; - struct tomoyo_path_info buf; -@@ -843,7 +843,7 @@ int tomoyo_mkdev_perm(const u8 operation, struct path *path, - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error = -ENOMEM; - struct tomoyo_path_info buf; -@@ -890,8 +890,8 @@ int tomoyo_path2_perm(const u8 operation, struct path *path1, - struct tomoyo_path_info buf2; - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path1, -- .path2 = *path2, -+ .path1 = { .mnt = path1->mnt, .dentry = path1->dentry }, -+ .path2 = { .mnt = path2->mnt, .dentry = path2->dentry } - }; - int idx; - -diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c -index 390c646..f2f8db3 100644 ---- a/security/tomoyo/mount.c -+++ b/security/tomoyo/mount.c -@@ -118,6 +118,10 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, - type == tomoyo_mounts[TOMOYO_MOUNT_MOVE]) { - need_dev = -1; /* dev_name is a directory */ - } else { -+ if (!capable(CAP_SYS_ADMIN)) { -+ error = -EPERM; -+ goto out; -+ } - fstype = get_fs_type(type); - if (!fstype) { - error = -ENODEV; -diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c -index 57c88d5..0c6fcf3 100644 ---- a/security/tomoyo/tomoyo.c -+++ b/security/tomoyo/tomoyo.c -@@ -171,7 +171,7 @@ static int tomoyo_path_truncate(struct path *path) - */ - static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path, NULL); - } - -@@ -187,7 +187,7 @@ static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry) - static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, - umode_t mode) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path, - mode & S_IALLUGO); - } -@@ -202,7 +202,7 @@ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, - */ - static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path, NULL); - } - -@@ -218,7 +218,7 @@ static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry) - static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry, - const char *old_name) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_SYMLINK, &path, old_name); - } - -@@ -235,7 +235,7 @@ static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry, - static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, - umode_t mode, unsigned int dev) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - int type = TOMOYO_TYPE_CREATE; - const unsigned int perm = mode & S_IALLUGO; - -@@ -274,8 +274,8 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, - static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir, - struct dentry *new_dentry) - { -- struct path path1 = { new_dir->mnt, old_dentry }; -- struct path path2 = { new_dir->mnt, new_dentry }; -+ struct path path1 = { .mnt = new_dir->mnt, .dentry = old_dentry }; -+ struct path path2 = { .mnt = new_dir->mnt, .dentry = new_dentry }; - return tomoyo_path2_perm(TOMOYO_TYPE_LINK, &path1, &path2); - } - -@@ -294,8 +294,8 @@ static int tomoyo_path_rename(struct path *old_parent, - struct path *new_parent, - struct dentry *new_dentry) - { -- struct path path1 = { old_parent->mnt, old_dentry }; -- struct path path2 = { new_parent->mnt, new_dentry }; -+ struct path path1 = { .mnt = old_parent->mnt, .dentry = old_dentry }; -+ struct path path2 = { .mnt = new_parent->mnt, .dentry = new_dentry }; - return tomoyo_path2_perm(TOMOYO_TYPE_RENAME, &path1, &path2); - } - -@@ -423,7 +423,7 @@ static int tomoyo_sb_mount(const char *dev_name, struct path *path, - */ - static int tomoyo_sb_umount(struct vfsmount *mnt, int flags) - { -- struct path path = { mnt, mnt->mnt_root }; -+ struct path path = { .mnt = mnt, .dentry = mnt->mnt_root }; - return tomoyo_path_perm(TOMOYO_TYPE_UMOUNT, &path, NULL); - } - -@@ -502,7 +502,7 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg, - * tomoyo_security_ops is a "struct security_operations" which is used for - * registering TOMOYO. - */ --static struct security_operations tomoyo_security_ops = { -+static struct security_operations tomoyo_security_ops __read_only = { - .name = "tomoyo", - .cred_alloc_blank = tomoyo_cred_alloc_blank, - .cred_prepare = tomoyo_cred_prepare, -diff --git a/security/yama/Kconfig b/security/yama/Kconfig -index 3123e1d..951f48d 100644 ---- a/security/yama/Kconfig -+++ b/security/yama/Kconfig -@@ -1,6 +1,6 @@ - config SECURITY_YAMA - bool "Yama support" -- depends on SECURITY -+ depends on SECURITY && !GRKERNSEC - default n - help - This selects Yama, which extends DAC support with additional -diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c -index 24aae2a..81c4548 100644 ---- a/security/yama/yama_lsm.c -+++ b/security/yama/yama_lsm.c -@@ -365,7 +365,7 @@ int yama_ptrace_traceme(struct task_struct *parent) - } - - #ifndef CONFIG_SECURITY_YAMA_STACKED --static struct security_operations yama_ops = { -+static struct security_operations yama_ops __read_only = { - .name = "yama", - - .ptrace_access_check = yama_ptrace_access_check, -@@ -379,7 +379,7 @@ static struct security_operations yama_ops = { - static int yama_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table table_copy; -+ ctl_table_no_const table_copy; - - if (write && !capable(CAP_SYS_PTRACE)) - return -EPERM; -diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c -index 23c371e..da7c25e 100644 ---- a/sound/aoa/codecs/onyx.c -+++ b/sound/aoa/codecs/onyx.c -@@ -54,7 +54,7 @@ struct onyx { - spdif_locked:1, - analog_locked:1, - original_mute:2; -- int open_count; -+ local_t open_count; - struct codec_info *codec_info; - - /* mutex serializes concurrent access to the device -@@ -747,7 +747,7 @@ static int onyx_open(struct codec_info_item *cii, - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count++; -+ local_inc(&onyx->open_count); - mutex_unlock(&onyx->mutex); - - return 0; -@@ -759,8 +759,7 @@ static int onyx_close(struct codec_info_item *cii, - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count--; -- if (!onyx->open_count) -+ if (local_dec_and_test(&onyx->open_count)) - onyx->spdif_locked = onyx->analog_locked = 0; - mutex_unlock(&onyx->mutex); - -diff --git a/sound/aoa/codecs/onyx.h b/sound/aoa/codecs/onyx.h -index ffd2025..df062c9 100644 ---- a/sound/aoa/codecs/onyx.h -+++ b/sound/aoa/codecs/onyx.h -@@ -11,6 +11,7 @@ - #include <linux/i2c.h> - #include <asm/pmac_low_i2c.h> - #include <asm/prom.h> -+#include <asm/local.h> - - /* PCM3052 register definitions */ - -diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c -index 58550cc..4687a93 100644 ---- a/sound/core/oss/pcm_oss.c -+++ b/sound/core/oss/pcm_oss.c -@@ -1189,10 +1189,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); -- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames); - snd_leave_user(fs); - } else { -- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames); - } - if (ret != -EPIPE && ret != -ESTRPIPE) - break; -@@ -1232,10 +1232,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); -- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames); - snd_leave_user(fs); - } else { -- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames); - } - if (ret == -EPIPE) { - if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) { -@@ -1331,7 +1331,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha - struct snd_pcm_plugin_channel *channels; - size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8; - if (!in_kernel) { -- if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes)) -+ if (copy_from_user(runtime->oss.buffer, (const char __force_user *)buf, bytes)) - return -EFAULT; - buf = runtime->oss.buffer; - } -@@ -1401,7 +1401,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha - } - } else { - tmp = snd_pcm_oss_write2(substream, -- (const char __force *)buf, -+ (const char __force_kernel *)buf, - runtime->oss.period_bytes, 0); - if (tmp <= 0) - goto err; -@@ -1427,7 +1427,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, - struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t frames, frames1; - #ifdef CONFIG_SND_PCM_OSS_PLUGINS -- char __user *final_dst = (char __force __user *)buf; -+ char __user *final_dst = (char __force_user *)buf; - if (runtime->oss.plugin_first) { - struct snd_pcm_plugin_channel *channels; - size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8; -@@ -1489,7 +1489,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use - xfer += tmp; - runtime->oss.buffer_used -= tmp; - } else { -- tmp = snd_pcm_oss_read2(substream, (char __force *)buf, -+ tmp = snd_pcm_oss_read2(substream, (char __force_kernel *)buf, - runtime->oss.period_bytes, 0); - if (tmp <= 0) - goto err; -@@ -1658,7 +1658,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file) - size1); - size1 /= runtime->channels; /* frames */ - fs = snd_enter_user(); -- snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1); -+ snd_pcm_lib_write(substream, (void __force_user *)runtime->oss.buffer, size1); - snd_leave_user(fs); - } - } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) { -diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c -index b48b434..e2ba787 100644 ---- a/sound/core/pcm_compat.c -+++ b/sound/core/pcm_compat.c -@@ -31,7 +31,7 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, - int err; - - fs = snd_enter_user(); -- err = snd_pcm_delay(substream, &delay); -+ err = snd_pcm_delay(substream, (snd_pcm_sframes_t __force_user *)&delay); - snd_leave_user(fs); - if (err < 0) - return err; -diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c -index 75888dd..c940854 100644 ---- a/sound/core/pcm_native.c -+++ b/sound/core/pcm_native.c -@@ -3004,11 +3004,11 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, - switch (substream->stream) { - case SNDRV_PCM_STREAM_PLAYBACK: - result = snd_pcm_playback_ioctl1(NULL, substream, cmd, -- (void __user *)arg); -+ (void __force_user *)arg); - break; - case SNDRV_PCM_STREAM_CAPTURE: - result = snd_pcm_capture_ioctl1(NULL, substream, cmd, -- (void __user *)arg); -+ (void __force_user *)arg); - break; - default: - result = -EINVAL; -diff --git a/sound/core/sound.c b/sound/core/sound.c -index 5fc93d0..67d8037 100644 ---- a/sound/core/sound.c -+++ b/sound/core/sound.c -@@ -86,7 +86,7 @@ static void snd_request_other(int minor) - case SNDRV_MINOR_TIMER: str = "snd-timer"; break; - default: return; - } -- request_module(str); -+ request_module("%s", str); - } - - #endif /* modular kernel */ -diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c -index 2a008a9..a1efb3f 100644 ---- a/sound/drivers/mts64.c -+++ b/sound/drivers/mts64.c -@@ -29,6 +29,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Miditerminal 4140" - #define DRIVER_NAME "MTS64" -@@ -67,7 +68,7 @@ struct mts64 { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int current_midi_output_port; - int current_midi_input_port; - u8 mode[MTS64_NUM_INPUT_PORTS]; -@@ -687,7 +688,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) - { - struct mts64 *mts = substream->rmidi->private_data; - -- if (mts->open_count == 0) { -+ if (local_read(&mts->open_count) == 0) { - /* We don't need a spinlock here, because this is just called - if the device has not been opened before. - So there aren't any IRQs from the device */ -@@ -695,7 +696,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) - - msleep(50); - } -- ++(mts->open_count); -+ local_inc(&mts->open_count); - - return 0; - } -@@ -705,8 +706,7 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) - struct mts64 *mts = substream->rmidi->private_data; - unsigned long flags; - -- --(mts->open_count); -- if (mts->open_count == 0) { -+ if (local_dec_return(&mts->open_count) == 0) { - /* We need the spinlock_irqsave here because we can still - have IRQs at this point */ - spin_lock_irqsave(&mts->lock, flags); -@@ -715,8 +715,8 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) - - msleep(500); - -- } else if (mts->open_count < 0) -- mts->open_count = 0; -+ } else if (local_read(&mts->open_count) < 0) -+ local_set(&mts->open_count, 0); - - return 0; - } -diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c -index 3b0ee42..8423ad6 100644 ---- a/sound/drivers/opl4/opl4_lib.c -+++ b/sound/drivers/opl4/opl4_lib.c -@@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch <clemens(a)ladisch.de>"); - MODULE_DESCRIPTION("OPL4 driver"); - MODULE_LICENSE("GPL"); - --static void inline snd_opl4_wait(struct snd_opl4 *opl4) -+static inline void snd_opl4_wait(struct snd_opl4 *opl4) - { - int timeout = 10; - while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0) -diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c -index 464385a..46ab3f6 100644 ---- a/sound/drivers/portman2x4.c -+++ b/sound/drivers/portman2x4.c -@@ -48,6 +48,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Portman 2x4" - #define DRIVER_NAME "portman" -@@ -85,7 +86,7 @@ struct portman { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int mode[PORTMAN_NUM_INPUT_PORTS]; - struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS]; - }; -diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c -index bf20593..dec8a14 100644 ---- a/sound/firewire/amdtp.c -+++ b/sound/firewire/amdtp.c -@@ -573,7 +573,7 @@ static void update_pcm_pointers(struct amdtp_stream *s, - ptr = s->pcm_buffer_pointer + frames; - if (ptr >= pcm->runtime->buffer_size) - ptr -= pcm->runtime->buffer_size; -- ACCESS_ONCE(s->pcm_buffer_pointer) = ptr; -+ ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr; - - s->pcm_period_pointer += frames; - if (s->pcm_period_pointer >= pcm->runtime->period_size) { -@@ -1014,7 +1014,7 @@ EXPORT_SYMBOL(amdtp_stream_pcm_pointer); - */ - void amdtp_stream_update(struct amdtp_stream *s) - { -- ACCESS_ONCE(s->source_node_id_field) = -+ ACCESS_ONCE_RW(s->source_node_id_field) = - (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24; - } - EXPORT_SYMBOL(amdtp_stream_update); -diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h -index 25c9055..e861b6a 100644 ---- a/sound/firewire/amdtp.h -+++ b/sound/firewire/amdtp.h -@@ -233,7 +233,7 @@ static inline bool amdtp_stream_pcm_running(struct amdtp_stream *s) - static inline void amdtp_stream_pcm_trigger(struct amdtp_stream *s, - struct snd_pcm_substream *pcm) - { -- ACCESS_ONCE(s->pcm) = pcm; -+ ACCESS_ONCE_RW(s->pcm) = pcm; - } - - /** -@@ -251,7 +251,7 @@ static inline void amdtp_stream_midi_trigger(struct amdtp_stream *s, - struct snd_rawmidi_substream *midi) - { - if (port < s->midi_ports) -- ACCESS_ONCE(s->midi[port]) = midi; -+ ACCESS_ONCE_RW(s->midi[port]) = midi; - } - - static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc) -diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c -index 48d6dca..a0266c23 100644 ---- a/sound/firewire/isight.c -+++ b/sound/firewire/isight.c -@@ -96,7 +96,7 @@ static void isight_update_pointers(struct isight *isight, unsigned int count) - ptr += count; - if (ptr >= runtime->buffer_size) - ptr -= runtime->buffer_size; -- ACCESS_ONCE(isight->buffer_pointer) = ptr; -+ ACCESS_ONCE_RW(isight->buffer_pointer) = ptr; - - isight->period_counter += count; - if (isight->period_counter >= runtime->period_size) { -@@ -293,7 +293,7 @@ static int isight_hw_params(struct snd_pcm_substream *substream, - if (err < 0) - return err; - -- ACCESS_ONCE(isight->pcm_active) = true; -+ ACCESS_ONCE_RW(isight->pcm_active) = true; - - return 0; - } -@@ -331,7 +331,7 @@ static int isight_hw_free(struct snd_pcm_substream *substream) - { - struct isight *isight = substream->private_data; - -- ACCESS_ONCE(isight->pcm_active) = false; -+ ACCESS_ONCE_RW(isight->pcm_active) = false; - - mutex_lock(&isight->mutex); - isight_stop_streaming(isight); -@@ -424,10 +424,10 @@ static int isight_trigger(struct snd_pcm_substream *substream, int cmd) - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: -- ACCESS_ONCE(isight->pcm_running) = true; -+ ACCESS_ONCE_RW(isight->pcm_running) = true; - break; - case SNDRV_PCM_TRIGGER_STOP: -- ACCESS_ONCE(isight->pcm_running) = false; -+ ACCESS_ONCE_RW(isight->pcm_running) = false; - break; - default: - return -EINVAL; -diff --git a/sound/firewire/scs1x.c b/sound/firewire/scs1x.c -index 2dba848..c682aef 100644 ---- a/sound/firewire/scs1x.c -+++ b/sound/firewire/scs1x.c -@@ -74,7 +74,7 @@ static void scs_output_trigger(struct snd_rawmidi_substream *stream, int up) - { - struct scs *scs = stream->rmidi->private_data; - -- ACCESS_ONCE(scs->output) = up ? stream : NULL; -+ ACCESS_ONCE_RW(scs->output) = up ? stream : NULL; - if (up) { - scs->output_idle = false; - tasklet_schedule(&scs->tasklet); -@@ -257,7 +257,7 @@ static void scs_input_trigger(struct snd_rawmidi_substream *stream, int up) - { - struct scs *scs = stream->rmidi->private_data; - -- ACCESS_ONCE(scs->input) = up ? stream : NULL; -+ ACCESS_ONCE_RW(scs->input) = up ? stream : NULL; - } - - static void scs_input_escaped_byte(struct snd_rawmidi_substream *stream, -@@ -473,8 +473,8 @@ static void scs_remove(struct fw_unit *unit) - - snd_card_disconnect(scs->card); - -- ACCESS_ONCE(scs->output) = NULL; -- ACCESS_ONCE(scs->input) = NULL; -+ ACCESS_ONCE_RW(scs->output) = NULL; -+ ACCESS_ONCE_RW(scs->input) = NULL; - - wait_event(scs->idle_wait, scs->output_idle); - -diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c -index 048439a..3be9f6f 100644 ---- a/sound/oss/sb_audio.c -+++ b/sound/oss/sb_audio.c -@@ -904,7 +904,7 @@ sb16_copy_from_user(int dev, - buf16 = (signed short *)(localbuf + localoffs); - while (c) - { -- locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); -+ locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); - if (copy_from_user(lbuf8, - userbuf+useroffs + p, - locallen)) -diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c -index 213a416..aeab5c9 100644 ---- a/sound/oss/swarm_cs4297a.c -+++ b/sound/oss/swarm_cs4297a.c -@@ -2623,7 +2623,6 @@ static int __init cs4297a_init(void) - { - struct cs4297a_state *s; - u32 pwr, id; -- mm_segment_t fs; - int rval; - u64 cfg; - int mdio_val; -@@ -2709,22 +2708,23 @@ static int __init cs4297a_init(void) - if (!rval) { - char *sb1250_duart_present; - -+#if 0 -+ mm_segment_t fs; - fs = get_fs(); - set_fs(KERNEL_DS); --#if 0 - val = SOUND_MASK_LINE; - mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val); - for (i = 0; i < ARRAY_SIZE(initvol); i++) { - val = initvol[i].vol; - mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val); - } -+ set_fs(fs); - // cs4297a_write_ac97(s, 0x18, 0x0808); - #else - // cs4297a_write_ac97(s, 0x5e, 0x180); - cs4297a_write_ac97(s, 0x02, 0x0808); - cs4297a_write_ac97(s, 0x18, 0x0808); - #endif -- set_fs(fs); - - list_add(&s->list, &cs4297a_devs); - -diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c -index 36e8f12..9571f49 100644 ---- a/sound/pci/hda/hda_codec.c -+++ b/sound/pci/hda/hda_codec.c -@@ -1946,7 +1946,7 @@ static int get_kctl_0dB_offset(struct hda_codec *codec, - /* FIXME: set_fs() hack for obtaining user-space TLV data */ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); -- if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv)) -+ if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), (unsigned int __force_user *)_tlv)) - tlv = _tlv; - set_fs(fs); - } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) -diff --git a/sound/pci/ymfpci/ymfpci.h b/sound/pci/ymfpci/ymfpci.h -index 149d4cb..7784769 100644 ---- a/sound/pci/ymfpci/ymfpci.h -+++ b/sound/pci/ymfpci/ymfpci.h -@@ -358,7 +358,7 @@ struct snd_ymfpci { - spinlock_t reg_lock; - spinlock_t voice_lock; - wait_queue_head_t interrupt_sleep; -- atomic_t interrupt_sleep_count; -+ atomic_unchecked_t interrupt_sleep_count; - struct snd_info_entry *proc_entry; - const struct firmware *dsp_microcode; - const struct firmware *controller_microcode; -diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c -index 4c26076..a13f370 100644 ---- a/sound/pci/ymfpci/ymfpci_main.c -+++ b/sound/pci/ymfpci/ymfpci_main.c -@@ -204,8 +204,8 @@ static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip) - if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0) - break; - } -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - __end: -@@ -789,7 +789,7 @@ static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip) - continue; - init_waitqueue_entry(&wait, current); - add_wait_queue(&chip->interrupt_sleep, &wait); -- atomic_inc(&chip->interrupt_sleep_count); -+ atomic_inc_unchecked(&chip->interrupt_sleep_count); - schedule_timeout_uninterruptible(msecs_to_jiffies(50)); - remove_wait_queue(&chip->interrupt_sleep, &wait); - } -@@ -827,8 +827,8 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id) - snd_ymfpci_writel(chip, YDSXGR_MODE, mode); - spin_unlock(&chip->reg_lock); - -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - } -@@ -2384,7 +2384,7 @@ int snd_ymfpci_create(struct snd_card *card, - spin_lock_init(&chip->reg_lock); - spin_lock_init(&chip->voice_lock); - init_waitqueue_head(&chip->interrupt_sleep); -- atomic_set(&chip->interrupt_sleep_count, 0); -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - chip->card = card; - chip->pci = pci; - chip->irq = -1; -diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c -index 08d7259..0336224 100644 ---- a/sound/soc/soc-ac97.c -+++ b/sound/soc/soc-ac97.c -@@ -271,8 +271,10 @@ int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, - if (ret) - return ret; - -- ops->warm_reset = snd_soc_ac97_warm_reset; -- ops->reset = snd_soc_ac97_reset; -+ pax_open_kernel(); -+ *(void **)&ops->warm_reset = snd_soc_ac97_warm_reset; -+ *(void **)&ops->reset = snd_soc_ac97_reset; -+ pax_close_kernel(); - - snd_ac97_rst_cfg = cfg; - return 0; -diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c -index 1cfb19e..6e5731a 100644 ---- a/sound/soc/xtensa/xtfpga-i2s.c -+++ b/sound/soc/xtensa/xtfpga-i2s.c -@@ -437,7 +437,7 @@ static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd) - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: -- ACCESS_ONCE(i2s->tx_ptr) = 0; -+ ACCESS_ONCE_RW(i2s->tx_ptr) = 0; - rcu_assign_pointer(i2s->tx_substream, substream); - xtfpga_pcm_refill_fifo(i2s); - break; -diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c -index a020920..55579f6 100644 ---- a/sound/synth/emux/emux_seq.c -+++ b/sound/synth/emux/emux_seq.c -@@ -33,13 +33,13 @@ static int snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *inf - * MIDI emulation operators - */ - static struct snd_midi_op emux_ops = { -- snd_emux_note_on, -- snd_emux_note_off, -- snd_emux_key_press, -- snd_emux_terminate_note, -- snd_emux_control, -- snd_emux_nrpn, -- snd_emux_sysex, -+ .note_on = snd_emux_note_on, -+ .note_off = snd_emux_note_off, -+ .key_press = snd_emux_key_press, -+ .note_terminate = snd_emux_terminate_note, -+ .control = snd_emux_control, -+ .nrpn = snd_emux_nrpn, -+ .sysex = snd_emux_sysex, - }; - - -diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c -index 81b7da8..bb2676f 100644 ---- a/sound/usb/line6/driver.c -+++ b/sound/usb/line6/driver.c -@@ -307,7 +307,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - { - struct usb_device *usbdev = line6->usbdev; - int ret; -- unsigned char len; -+ unsigned char *plen; - unsigned count; - - if (address > 0xffff || datalen > 0xff) -@@ -324,6 +324,10 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - return ret; - } - -+ plen = kmalloc(1, GFP_KERNEL); -+ if (plen == NULL) -+ return -ENOMEM; -+ - /* Wait for data length. We'll get 0xff until length arrives. */ - for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) { - mdelay(LINE6_READ_WRITE_STATUS_DELAY); -@@ -331,30 +335,35 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, -- 0x0012, 0x0000, &len, 1, -+ 0x0012, 0x0000, plen, 1, - LINE6_TIMEOUT * HZ); - if (ret < 0) { - dev_err(line6->ifcdev, - "receive length failed (error %d)\n", ret); -+ kfree(plen); - return ret; - } - -- if (len != 0xff) -+ if (*plen != 0xff) - break; - } - -- if (len == 0xff) { -+ if (*plen == 0xff) { - dev_err(line6->ifcdev, "read failed after %d retries\n", - count); -+ kfree(plen); - return -EIO; -- } else if (len != datalen) { -+ } else if (*plen != datalen) { - /* should be equal or something went wrong */ - dev_err(line6->ifcdev, - "length mismatch (expected %d, got %d)\n", -- (int)datalen, (int)len); -+ (int)datalen, (int)*plen); -+ kfree(plen); - return -EIO; - } - -+ kfree(plen); -+ - /* receive the result: */ - ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, -@@ -378,7 +387,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - { - struct usb_device *usbdev = line6->usbdev; - int ret; -- unsigned char status; -+ unsigned char *status; - int count; - - if (address > 0xffff || datalen > 0xffff) -@@ -395,6 +404,10 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - return ret; - } - -+ status = kmalloc(1, GFP_KERNEL); -+ if (status == NULL) -+ return -ENOMEM; -+ - for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) { - mdelay(LINE6_READ_WRITE_STATUS_DELAY); - -@@ -403,27 +416,32 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, - 0x0012, 0x0000, -- &status, 1, LINE6_TIMEOUT * HZ); -+ status, 1, LINE6_TIMEOUT * HZ); - - if (ret < 0) { - dev_err(line6->ifcdev, - "receiving status failed (error %d)\n", ret); -+ kfree(status); - return ret; - } - -- if (status != 0xff) -+ if (*status != 0xff) - break; - } - -- if (status == 0xff) { -+ if (*status == 0xff) { - dev_err(line6->ifcdev, "write failed after %d retries\n", - count); -+ kfree(status); - return -EIO; -- } else if (status != 0) { -+ } else if (*status != 0) { - dev_err(line6->ifcdev, "write failed (error %d)\n", ret); -+ kfree(status); - return -EIO; - } - -+ kfree(status); -+ - return 0; - } - EXPORT_SYMBOL_GPL(line6_write_data); -diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c -index 6d4c50c..aa658c8 100644 ---- a/sound/usb/line6/toneport.c -+++ b/sound/usb/line6/toneport.c -@@ -367,13 +367,19 @@ static bool toneport_has_source_select(struct usb_line6_toneport *toneport) - */ - static void toneport_setup(struct usb_line6_toneport *toneport) - { -- int ticks; -+ int *ticks; - struct usb_line6 *line6 = &toneport->line6; - struct usb_device *usbdev = line6->usbdev; - -+ ticks = kmalloc(sizeof(int), GFP_KERNEL); -+ if (ticks == NULL) -+ return; -+ - /* sync time on device with host: */ -- ticks = (int)get_seconds(); -- line6_write_data(line6, 0x80c6, &ticks, 4); -+ *ticks = (int)get_seconds(); -+ line6_write_data(line6, 0x80c6, ticks, sizeof(int)); -+ -+ kfree(ticks); - - /* enable device: */ - toneport_send_cmd(usbdev, 0x0301, 0x0000); -diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore -new file mode 100644 -index 0000000..de92ed9 ---- /dev/null -+++ b/tools/gcc/.gitignore -@@ -0,0 +1 @@ -+randomize_layout_seed.h -diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile -new file mode 100644 -index 0000000..4945d82 ---- /dev/null -+++ b/tools/gcc/Makefile -@@ -0,0 +1,54 @@ -+#CC := gcc -+#PLUGIN_SOURCE_FILES := pax_plugin.c -+#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES)) -+GCCPLUGINS_DIR := $(shell $(CC) -print-file-name=plugin) -+#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -std=gnu99 -+ -+ifeq ($(PLUGINCC),$(HOSTCC)) -+HOSTLIBS := hostlibs -+HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb -+export HOST_EXTRACFLAGS -+else -+HOSTLIBS := hostcxxlibs -+HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti -fno-exceptions -fasynchronous-unwind-tables -ggdb -Wno-unused-parameter -Wno-narrowing -Wno-unused-variable -+export HOST_EXTRACXXFLAGS -+endif -+ -+export GCCPLUGINS_DIR HOSTLIBS -+ -+$(HOSTLIBS)-$(CONFIG_PAX_CONSTIFY_PLUGIN) := constify_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STACKLEAK) += stackleak_plugin.so -+$(HOSTLIBS)-$(CONFIG_KALLOCSTAT_PLUGIN) += kallocstat_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_KERNEXEC_PLUGIN) += kernexec_plugin.so -+$(HOSTLIBS)-$(CONFIG_CHECKER_PLUGIN) += checker_plugin.so -+$(HOSTLIBS)-y += colorize_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STRUCTLEAK) += structleak_plugin.so -+$(HOSTLIBS)-y += initify_plugin.so -+$(HOSTLIBS)-$(CONFIG_GRKERNSEC_RANDSTRUCT) += randomize_layout_plugin.so -+ -+subdir-$(CONFIG_PAX_SIZE_OVERFLOW) := size_overflow_plugin -+subdir- += size_overflow_plugin -+ -+always := $($(HOSTLIBS)-y) -+ -+constify_plugin-objs := constify_plugin.o -+stackleak_plugin-objs := stackleak_plugin.o -+kallocstat_plugin-objs := kallocstat_plugin.o -+kernexec_plugin-objs := kernexec_plugin.o -+checker_plugin-objs := checker_plugin.o -+colorize_plugin-objs := colorize_plugin.o -+latent_entropy_plugin-objs := latent_entropy_plugin.o -+structleak_plugin-objs := structleak_plugin.o -+initify_plugin-objs := initify_plugin.o -+randomize_layout_plugin-objs := randomize_layout_plugin.o -+ -+$(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h -+ -+quiet_cmd_create_randomize_layout_seed = GENSEED $@ -+ cmd_create_randomize_layout_seed = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h -+$(objtree)/$(obj)/randomize_layout_seed.h: FORCE -+ $(call if_changed,create_randomize_layout_seed) -+ -+targets += randomize_layout_seed.h randomize_layout_hash.h -diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c -new file mode 100644 -index 0000000..5452feea ---- /dev/null -+++ b/tools/gcc/checker_plugin.c -@@ -0,0 +1,150 @@ -+/* -+ * Copyright 2011-2014 by the PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to implement various sparse (source code checker) features -+ * -+ * TODO: -+ * - define separate __iomem, __percpu and __rcu address spaces (lots of code to patch) -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+extern void c_register_addr_space (const char *str, addr_space_t as); -+extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); -+extern enum machine_mode default_addr_space_address_mode (addr_space_t); -+extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as); -+extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as); -+extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as); -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info checker_plugin_info = { -+ .version = "201304082245", -+ .help = NULL, -+}; -+ -+#define ADDR_SPACE_KERNEL 0 -+#define ADDR_SPACE_FORCE_KERNEL 1 -+#define ADDR_SPACE_USER 2 -+#define ADDR_SPACE_FORCE_USER 3 -+#define ADDR_SPACE_IOMEM 0 -+#define ADDR_SPACE_FORCE_IOMEM 0 -+#define ADDR_SPACE_PERCPU 0 -+#define ADDR_SPACE_FORCE_PERCPU 0 -+#define ADDR_SPACE_RCU 0 -+#define ADDR_SPACE_FORCE_RCU 0 -+ -+static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace) -+{ -+ return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC); -+} -+ -+static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace) -+{ -+ return default_addr_space_address_mode(ADDR_SPACE_GENERIC); -+} -+ -+static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as) -+{ -+ return default_addr_space_valid_pointer_mode(mode, as); -+} -+ -+static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as) -+{ -+ return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC); -+} -+ -+static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as) -+{ -+ return default_addr_space_legitimize_address(x, oldx, mode, as); -+} -+ -+static bool checker_addr_space_subset_p(addr_space_t subset, addr_space_t superset) -+{ -+ if (subset == ADDR_SPACE_FORCE_KERNEL && superset == ADDR_SPACE_KERNEL) -+ return true; -+ -+ if (subset == ADDR_SPACE_FORCE_USER && superset == ADDR_SPACE_USER) -+ return true; -+ -+ if (subset == ADDR_SPACE_FORCE_IOMEM && superset == ADDR_SPACE_IOMEM) -+ return true; -+ -+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_USER) -+ return true; -+ -+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_IOMEM) -+ return true; -+ -+ if (subset == ADDR_SPACE_USER && superset == ADDR_SPACE_FORCE_KERNEL) -+ return true; -+ -+ if (subset == ADDR_SPACE_IOMEM && superset == ADDR_SPACE_FORCE_KERNEL) -+ return true; -+ -+ return subset == superset; -+} -+ -+static rtx checker_addr_space_convert(rtx op, tree from_type, tree to_type) -+{ -+// addr_space_t from_as = TYPE_ADDR_SPACE(TREE_TYPE(from_type)); -+// addr_space_t to_as = TYPE_ADDR_SPACE(TREE_TYPE(to_type)); -+ -+ return op; -+} -+ -+static void register_checker_address_spaces(void *event_data, void *data) -+{ -+ c_register_addr_space("__kernel", ADDR_SPACE_KERNEL); -+ c_register_addr_space("__force_kernel", ADDR_SPACE_FORCE_KERNEL); -+ c_register_addr_space("__user", ADDR_SPACE_USER); -+ c_register_addr_space("__force_user", ADDR_SPACE_FORCE_USER); -+// c_register_addr_space("__iomem", ADDR_SPACE_IOMEM); -+// c_register_addr_space("__force_iomem", ADDR_SPACE_FORCE_IOMEM); -+// c_register_addr_space("__percpu", ADDR_SPACE_PERCPU); -+// c_register_addr_space("__force_percpu", ADDR_SPACE_FORCE_PERCPU); -+// c_register_addr_space("__rcu", ADDR_SPACE_RCU); -+// c_register_addr_space("__force_rcu", ADDR_SPACE_FORCE_RCU); -+ -+ targetm.addr_space.pointer_mode = checker_addr_space_pointer_mode; -+ targetm.addr_space.address_mode = checker_addr_space_address_mode; -+ targetm.addr_space.valid_pointer_mode = checker_addr_space_valid_pointer_mode; -+ targetm.addr_space.legitimate_address_p = checker_addr_space_legitimate_address_p; -+// targetm.addr_space.legitimize_address = checker_addr_space_legitimize_address; -+ targetm.addr_space.subset_p = checker_addr_space_subset_p; -+ targetm.addr_space.convert = checker_addr_space_convert; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &checker_plugin_info); -+ -+ for (i = 0; i < argc; ++i) -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ -+ if (TARGET_64BIT == 0) -+ return 0; -+ -+ register_callback(plugin_name, PLUGIN_PRAGMAS, register_checker_address_spaces, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/colorize_plugin.c b/tools/gcc/colorize_plugin.c -new file mode 100644 -index 0000000..0c96d8a ---- /dev/null -+++ b/tools/gcc/colorize_plugin.c -@@ -0,0 +1,215 @@ -+/* -+ * Copyright 2012-2015 by PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to colorize diagnostic output -+ * -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info colorize_plugin_info = { -+ .version = "201404202350", -+ .help = "color=[never|always|auto]\tdetermine when to colorize\n", -+}; -+ -+#define GREEN "\033[32m\033[K" -+#define LIGHTGREEN "\033[1;32m\033[K" -+#define YELLOW "\033[33m\033[K" -+#define LIGHTYELLOW "\033[1;33m\033[K" -+#define RED "\033[31m\033[K" -+#define LIGHTRED "\033[1;31m\033[K" -+#define BLUE "\033[34m\033[K" -+#define LIGHTBLUE "\033[1;34m\033[K" -+#define BRIGHT "\033[1;m\033[K" -+#define NORMAL "\033[m\033[K" -+ -+static diagnostic_starter_fn old_starter; -+static diagnostic_finalizer_fn old_finalizer; -+ -+static void start_colorize(diagnostic_context *context, diagnostic_info *diagnostic) -+{ -+ const char *color; -+ char *newprefix; -+ -+ switch (diagnostic->kind) { -+ case DK_NOTE: -+ color = LIGHTBLUE; -+ break; -+ -+ case DK_PEDWARN: -+ case DK_WARNING: -+ color = LIGHTYELLOW; -+ break; -+ -+ case DK_ERROR: -+ case DK_FATAL: -+ case DK_ICE: -+ case DK_PERMERROR: -+ case DK_SORRY: -+ color = LIGHTRED; -+ break; -+ -+ default: -+ color = NORMAL; -+ } -+ -+ old_starter(context, diagnostic); -+ if (-1 == asprintf(&newprefix, "%s%s" NORMAL, color, context->printer->prefix)) -+ return; -+ pp_destroy_prefix(context->printer); -+ pp_set_prefix(context->printer, newprefix); -+} -+ -+static void finalize_colorize(diagnostic_context *context, diagnostic_info *diagnostic) -+{ -+ old_finalizer(context, diagnostic); -+} -+ -+static void colorize_arm(void) -+{ -+ old_starter = diagnostic_starter(global_dc); -+ old_finalizer = diagnostic_finalizer(global_dc); -+ -+ diagnostic_starter(global_dc) = start_colorize; -+ diagnostic_finalizer(global_dc) = finalize_colorize; -+} -+ -+static unsigned int execute_colorize_rearm(void) -+{ -+ if (diagnostic_starter(global_dc) == start_colorize) -+ return 0; -+ -+ colorize_arm(); -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data colorize_rearm_pass_data = { -+#else -+struct simple_ipa_opt_pass colorize_rearm_pass = { -+ .pass = { -+#endif -+ .type = SIMPLE_IPA_PASS, -+ .name = "colorize_rearm", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = execute_colorize_rearm, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class colorize_rearm_pass : public simple_ipa_opt_pass { -+public: -+ colorize_rearm_pass() : simple_ipa_opt_pass(colorize_rearm_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return execute_colorize_rearm(); } -+#else -+ unsigned int execute() { return execute_colorize_rearm(); } -+#endif -+}; -+} -+ -+static opt_pass *make_colorize_rearm_pass(void) -+{ -+ return new colorize_rearm_pass(); -+} -+#else -+static struct opt_pass *make_colorize_rearm_pass(void) -+{ -+ return &colorize_rearm_pass.pass; -+} -+#endif -+ -+static void colorize_start_unit(void *gcc_data, void *user_data) -+{ -+ colorize_arm(); -+} -+ -+static bool should_colorize(void) -+{ -+#if BUILDING_GCC_VERSION >= 4009 -+ return false; -+#else -+ char const *t = getenv("TERM"); -+ -+ return t && strcmp(t, "dumb") && isatty(STDERR_FILENO); -+#endif -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info colorize_rearm_pass_info; -+ bool colorize; -+ -+ colorize_rearm_pass_info.pass = make_colorize_rearm_pass(); -+ colorize_rearm_pass_info.reference_pass_name = "*free_lang_data"; -+ colorize_rearm_pass_info.ref_pass_instance_number = 1; -+ colorize_rearm_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &colorize_plugin_info); -+ -+ colorize = getenv("GCC_COLORS") ? should_colorize() : false; -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "color")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ if (!strcmp(argv[i].value, "always")) -+ colorize = true; -+ else if (!strcmp(argv[i].value, "never")) -+ colorize = false; -+ else if (!strcmp(argv[i].value, "auto")) -+ colorize = should_colorize(); -+ else -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (colorize) { -+ // TODO: parse GCC_COLORS as used by gcc 4.9+ -+ register_callback(plugin_name, PLUGIN_START_UNIT, &colorize_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &colorize_rearm_pass_info); -+ } -+ return 0; -+} -diff --git a/tools/gcc/constify_plugin.c b/tools/gcc/constify_plugin.c -new file mode 100644 -index 0000000..b884a56 ---- /dev/null -+++ b/tools/gcc/constify_plugin.c -@@ -0,0 +1,564 @@ -+/* -+ * Copyright 2011 by Emese Revfy <re.emese(a)gmail.com> -+ * Copyright 2011-2015 by PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * This gcc plugin constifies all structures which contain only function pointers or are explicitly marked for constification. -+ * -+ * Homepage: -+ * http://www.grsecurity.net/~ephox/const_plugin/ -+ * -+ * Usage: -+ * $ gcc -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -o constify_plugin.so constify_plugin.c -+ * $ gcc -fplugin=constify_plugin.so test.c -O2 -+ */ -+ -+#include "gcc-common.h" -+ -+// unused C type flag in all versions 4.5-5.0 -+#define TYPE_CONSTIFY_VISITED(TYPE) TYPE_LANG_FLAG_4(TYPE) -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info const_plugin_info = { -+ .version = "201401270210", -+ .help = "no-constify\tturn off constification\n", -+}; -+ -+typedef struct { -+ bool has_fptr_field; -+ bool has_writable_field; -+ bool has_do_const_field; -+ bool has_no_const_field; -+} constify_info; -+ -+static const_tree get_field_type(const_tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+static bool is_fptr(const_tree field) -+{ -+ const_tree ptr = get_field_type(field); -+ -+ if (TREE_CODE(ptr) != POINTER_TYPE) -+ return false; -+ -+ return TREE_CODE(TREE_TYPE(ptr)) == FUNCTION_TYPE; -+} -+ -+/* -+ * determine whether the given structure type meets the requirements for automatic constification, -+ * including the constification attributes on nested structure types -+ */ -+static void constifiable(const_tree node, constify_info *cinfo) -+{ -+ const_tree field; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ // e.g., pointer to structure fields while still constructing the structure type -+ if (TYPE_FIELDS(node) == NULL_TREE) -+ return; -+ -+ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) { -+ const_tree type = get_field_type(field); -+ enum tree_code code = TREE_CODE(type); -+ -+ if (node == type) -+ continue; -+ -+ if (is_fptr(field)) -+ cinfo->has_fptr_field = true; -+ else if (!TREE_READONLY(field)) -+ cinfo->has_writable_field = true; -+ -+ if (code == RECORD_TYPE || code == UNION_TYPE) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ cinfo->has_do_const_field = true; -+ else if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type))) -+ cinfo->has_no_const_field = true; -+ else -+ constifiable(type, cinfo); -+ } -+ } -+} -+ -+static bool constified(const_tree node) -+{ -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(node))) { -+// gcc_assert(!TYPE_READONLY(node)); -+ return false; -+ } -+ -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(node))) { -+ gcc_assert(TYPE_READONLY(node)); -+ return true; -+ } -+ -+ constifiable(node, &cinfo); -+ if ((!cinfo.has_fptr_field || cinfo.has_writable_field) && !cinfo.has_do_const_field) -+ return false; -+ -+ return TYPE_READONLY(node); -+} -+ -+static void deconstify_tree(tree node); -+ -+static void deconstify_type(tree type) -+{ -+ tree field; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE || TREE_CODE(type) == UNION_TYPE); -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ const_tree fieldtype = get_field_type(field); -+ -+ // special case handling of simple ptr-to-same-array-type members -+ if (TREE_CODE(TREE_TYPE(field)) == POINTER_TYPE) { -+ tree ptrtype = TREE_TYPE(TREE_TYPE(field)); -+ -+ if (TREE_TYPE(TREE_TYPE(field)) == type) -+ continue; -+ if (TREE_CODE(ptrtype) != RECORD_TYPE && TREE_CODE(ptrtype) != UNION_TYPE) -+ continue; -+ if (!constified(ptrtype)) -+ continue; -+ if (TYPE_MAIN_VARIANT(ptrtype) == TYPE_MAIN_VARIANT(type)) { -+ TREE_TYPE(field) = copy_node(TREE_TYPE(field)); -+ TREE_TYPE(TREE_TYPE(field)) = build_qualified_type(type, TYPE_QUALS(ptrtype) & ~TYPE_QUAL_CONST); -+ } -+ continue; -+ } -+ if (TREE_CODE(fieldtype) != RECORD_TYPE && TREE_CODE(fieldtype) != UNION_TYPE) -+ continue; -+ if (!constified(fieldtype)) -+ continue; -+ -+ deconstify_tree(field); -+ TREE_READONLY(field) = 0; -+ } -+ TYPE_READONLY(type) = 0; -+ C_TYPE_FIELDS_READONLY(type) = 0; -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+ TYPE_ATTRIBUTES(type) = remove_attribute("do_const", TYPE_ATTRIBUTES(type)); -+ } -+} -+ -+static void deconstify_tree(tree node) -+{ -+ tree old_type, new_type, field; -+ -+ old_type = TREE_TYPE(node); -+ while (TREE_CODE(old_type) == ARRAY_TYPE && TREE_CODE(TREE_TYPE(old_type)) != ARRAY_TYPE) { -+ node = TREE_TYPE(node) = copy_node(old_type); -+ old_type = TREE_TYPE(old_type); -+ } -+ -+ gcc_assert(TREE_CODE(old_type) == RECORD_TYPE || TREE_CODE(old_type) == UNION_TYPE); -+ gcc_assert(TYPE_READONLY(old_type) && (TYPE_QUALS(old_type) & TYPE_QUAL_CONST)); -+ -+ new_type = build_qualified_type(old_type, TYPE_QUALS(old_type) & ~TYPE_QUAL_CONST); -+ TYPE_FIELDS(new_type) = copy_list(TYPE_FIELDS(new_type)); -+ for (field = TYPE_FIELDS(new_type); field; field = TREE_CHAIN(field)) -+ DECL_FIELD_CONTEXT(field) = new_type; -+ -+ deconstify_type(new_type); -+ -+ TREE_TYPE(node) = new_type; -+} -+ -+static tree handle_no_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ *no_add_attrs = true; -+ if (TREE_CODE(*node) == FUNCTION_DECL) { -+ error("%qE attribute does not apply to functions (%qF)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == PARM_DECL) { -+ error("%qE attribute does not apply to function parameters (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == VAR_DECL) { -+ error("%qE attribute does not apply to variables (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ type = *node; -+ } else { -+ gcc_assert(TREE_CODE(*node) == TYPE_DECL); -+ type = TREE_TYPE(*node); -+ } -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) { -+ error("%qE attribute used on %qT applies to struct and union types only", name, type); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) { -+ error("%qE attribute is already applied to the type %qT", name, type); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ error("%qE attribute used on type %qT is incompatible with 'do_const'", name, type); -+ else -+ *no_add_attrs = false; -+ return NULL_TREE; -+ } -+ -+ constifiable(type, &cinfo); -+ if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ deconstify_tree(*node); -+ TYPE_CONSTIFY_VISITED(TREE_TYPE(*node)) = 1; -+ return NULL_TREE; -+ } -+ -+ if (TYPE_FIELDS(type)) -+ error("%qE attribute used on type %qT that is not constified", name, type); -+ return NULL_TREE; -+} -+ -+static void constify_type(tree type) -+{ -+ TYPE_READONLY(type) = 1; -+ C_TYPE_FIELDS_READONLY(type) = 1; -+ TYPE_CONSTIFY_VISITED(type) = 1; -+// TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+// TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("do_const"), NULL_TREE, TYPE_ATTRIBUTES(type)); -+} -+ -+static tree handle_do_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = true; -+ if (!TYPE_P(*node)) { -+ error("%qE attribute applies to types only (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) { -+ error("%qE attribute used on %qT applies to struct and union types only", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute used on %qT is already applied to the type", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute used on %qT is incompatible with 'no_const'", name, *node); -+ return NULL_TREE; -+ } -+ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+static struct attribute_spec no_const_attr = { -+ .name = "no_const", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_no_const_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec do_const_attr = { -+ .name = "do_const", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_do_const_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&no_const_attr); -+ register_attribute(&do_const_attr); -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+#if BUILDING_GCC_VERSION >= 5000 -+ if (TREE_CODE(type) == ENUMERAL_TYPE) -+ return; -+#endif -+ -+ if (TYPE_FIELDS(type) == NULL_TREE || TYPE_CONSTIFY_VISITED(type)) -+ return; -+ -+ constifiable(type, &cinfo); -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type))) { -+ if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || cinfo.has_do_const_field) { -+ deconstify_type(type); -+ TYPE_CONSTIFY_VISITED(type) = 1; -+ } else -+ error("'no_const' attribute used on type %qT that is not constified", type); -+ return; -+ } -+ -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ if (!cinfo.has_writable_field) { -+ error("'do_const' attribute used on type %qT that is%sconstified", type, cinfo.has_fptr_field ? " " : " not "); -+ return; -+ } -+ constify_type(type); -+ return; -+ } -+ -+ if (cinfo.has_fptr_field && !cinfo.has_writable_field) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ error("'do_const' attribute used on type %qT that is constified", type); -+ return; -+ } -+ constify_type(type); -+ return; -+ } -+ -+ deconstify_type(type); -+ TYPE_CONSTIFY_VISITED(type) = 1; -+} -+ -+static void check_global_variables(void *event_data, void *data) -+{ -+ varpool_node_ptr node; -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ tree type = TREE_TYPE(var); -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type)) -+ continue; -+ -+ if (!TYPE_CONSTIFY_VISITED(type)) -+ continue; -+ -+ if (DECL_EXTERNAL(var)) -+ continue; -+ -+ if (DECL_INITIAL(var)) -+ continue; -+ -+ // this works around a gcc bug/feature where uninitialized globals -+ // are moved into the .bss section regardless of any constification -+ DECL_INITIAL(var) = build_constructor(type, NULL); -+// inform(DECL_SOURCE_LOCATION(var), "constified variable %qE moved into .rodata", var); -+ } -+} -+ -+static unsigned int check_local_variables(void) -+{ -+ unsigned int ret = 0; -+ tree var; -+ -+ unsigned int i; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree type = TREE_TYPE(var); -+ -+ gcc_assert(DECL_P(var)); -+ if (is_global_var(var)) -+ continue; -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type)) -+ continue; -+ -+ if (!TYPE_CONSTIFY_VISITED(type)) -+ continue; -+ -+ error_at(DECL_SOURCE_LOCATION(var), "constified variable %qE cannot be local", var); -+ ret = 1; -+ } -+ return ret; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data check_local_variables_pass_data = { -+#else -+static struct gimple_opt_pass check_local_variables_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "check_local_variables", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = check_local_variables, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class check_local_variables_pass : public gimple_opt_pass { -+public: -+ check_local_variables_pass() : gimple_opt_pass(check_local_variables_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return check_local_variables(); } -+#else -+ unsigned int execute() { return check_local_variables(); } -+#endif -+}; -+} -+ -+static opt_pass *make_check_local_variables_pass(void) -+{ -+ return new check_local_variables_pass(); -+} -+#else -+static struct opt_pass *make_check_local_variables_pass(void) -+{ -+ return &check_local_variables_pass.pass; -+} -+#endif -+ -+static struct { -+ const char *name; -+ const char *asm_op; -+} sections[] = { -+ {".init.rodata", "\t.section\t.init.rodata,\"a\""}, -+ {".ref.rodata", "\t.section\t.ref.rodata,\"a\""}, -+ {".devinit.rodata", "\t.section\t.devinit.rodata,\"a\""}, -+ {".devexit.rodata", "\t.section\t.devexit.rodata,\"a\""}, -+ {".cpuinit.rodata", "\t.section\t.cpuinit.rodata,\"a\""}, -+ {".cpuexit.rodata", "\t.section\t.cpuexit.rodata,\"a\""}, -+ {".meminit.rodata", "\t.section\t.meminit.rodata,\"a\""}, -+ {".memexit.rodata", "\t.section\t.memexit.rodata,\"a\""}, -+ {".data..read_only", "\t.section\t.data..read_only,\"a\""}, -+}; -+ -+static unsigned int (*old_section_type_flags)(tree decl, const char *name, int reloc); -+ -+static unsigned int constify_section_type_flags(tree decl, const char *name, int reloc) -+{ -+ size_t i; -+ -+ for (i = 0; i < ARRAY_SIZE(sections); i++) -+ if (!strcmp(sections[i].name, name)) -+ return 0; -+ return old_section_type_flags(decl, name, reloc); -+} -+ -+static void constify_start_unit(void *gcc_data, void *user_data) -+{ -+// size_t i; -+ -+// for (i = 0; i < ARRAY_SIZE(sections); i++) -+// sections[i].section = get_unnamed_section(0, output_section_asm_op, sections[i].asm_op); -+// sections[i].section = get_section(sections[i].name, 0, NULL); -+ -+ old_section_type_flags = targetm.section_type_flags; -+ targetm.section_type_flags = constify_section_type_flags; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ bool constify = true; -+ -+ struct register_pass_info check_local_variables_pass_info; -+ -+ check_local_variables_pass_info.pass = make_check_local_variables_pass(); -+ check_local_variables_pass_info.reference_pass_name = "ssa"; -+ check_local_variables_pass_info.ref_pass_instance_number = 1; -+ check_local_variables_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!(strcmp(argv[i].key, "no-constify"))) { -+ constify = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only, not %s"), plugin_name, lang_hooks.name); -+ constify = false; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info); -+ if (constify) { -+ register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &check_local_variables_pass_info); -+ register_callback(plugin_name, PLUGIN_START_UNIT, constify_start_unit, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/gcc-common.h b/tools/gcc/gcc-common.h -new file mode 100644 -index 0000000..9cf3947 ---- /dev/null -+++ b/tools/gcc/gcc-common.h -@@ -0,0 +1,789 @@ -+#ifndef GCC_COMMON_H_INCLUDED -+#define GCC_COMMON_H_INCLUDED -+ -+#include "plugin.h" -+#include "bversion.h" -+#include "plugin-version.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "line-map.h" -+#include "input.h" -+#include "tree.h" -+ -+#include "tree-inline.h" -+#include "version.h" -+#include "rtl.h" -+#include "tm_p.h" -+#include "flags.h" -+//#include "insn-attr.h" -+//#include "insn-config.h" -+//#include "insn-flags.h" -+#include "hard-reg-set.h" -+//#include "recog.h" -+#include "output.h" -+#include "except.h" -+#include "function.h" -+#include "toplev.h" -+//#include "expr.h" -+#include "basic-block.h" -+#include "intl.h" -+#include "ggc.h" -+//#include "regs.h" -+#include "timevar.h" -+ -+#include "params.h" -+ -+#if BUILDING_GCC_VERSION <= 4009 -+#include "pointer-set.h" -+#else -+#include "hash-map.h" -+#endif -+ -+#include "emit-rtl.h" -+//#include "reload.h" -+//#include "ira.h" -+//#include "dwarf2asm.h" -+#include "debug.h" -+#include "target.h" -+#include "langhooks.h" -+#include "cfgloop.h" -+//#include "hosthooks.h" -+#include "cgraph.h" -+#include "opts.h" -+//#include "coverage.h" -+//#include "value-prof.h" -+ -+#if BUILDING_GCC_VERSION == 4005 -+#include <sys/mman.h> -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4007 -+#include "tree-pretty-print.h" -+#include "gimple-pretty-print.h" -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4006 -+//#include "c-tree.h" -+//#include "cp/cp-tree.h" -+#include "c-family/c-common.h" -+#else -+#include "c-common.h" -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4008 -+#include "tree-flow.h" -+#else -+#include "tree-cfgcleanup.h" -+#include "tree-ssa-operands.h" -+#include "tree-into-ssa.h" -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#include "is-a.h" -+#endif -+ -+#include "diagnostic.h" -+//#include "tree-diagnostic.h" -+#include "tree-dump.h" -+#include "tree-pass.h" -+//#include "df.h" -+#include "predict.h" -+#include "ipa-utils.h" -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#include "varasm.h" -+#include "stor-layout.h" -+#include "internal-fn.h" -+#include "gimple-expr.h" -+#include "gimple-fold.h" -+//#include "diagnostic-color.h" -+#include "context.h" -+#include "tree-ssa-alias.h" -+#include "tree-ssa.h" -+#include "stringpool.h" -+#include "tree-ssanames.h" -+#include "print-tree.h" -+#include "tree-eh.h" -+#include "stmt.h" -+#include "gimplify.h" -+#endif -+ -+#include "gimple.h" -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#include "tree-ssa-operands.h" -+#include "tree-phinodes.h" -+#include "tree-cfg.h" -+#include "gimple-iterator.h" -+#include "gimple-ssa.h" -+#include "ssa-iterators.h" -+#endif -+ -+//#include "lto/lto.h" -+#if BUILDING_GCC_VERSION >= 4007 -+//#include "data-streamer.h" -+#else -+//#include "lto-streamer.h" -+#endif -+//#include "lto-compress.h" -+#if BUILDING_GCC_VERSION >= 5000 -+//#include "lto-section-names.h" -+#include "builtins.h" -+#endif -+ -+//#include "expr.h" where are you... -+extern rtx emit_move_insn(rtx x, rtx y); -+ -+// missing from basic_block.h... -+extern void debug_dominance_info(enum cdi_direction dir); -+extern void debug_dominance_tree(enum cdi_direction dir, basic_block root); -+ -+#ifdef __cplusplus -+static inline void debug_tree(const_tree t) -+{ -+ debug_tree(CONST_CAST_TREE(t)); -+} -+#else -+#define debug_tree(t) debug_tree(CONST_CAST_TREE(t)) -+#endif -+ -+#define __unused __attribute__((__unused__)) -+ -+#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node)) -+#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node)) -+#define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node)) -+#define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node)) -+ -+// should come from c-tree.h if only it were installed for gcc 4.5... -+#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE) -+ -+#if BUILDING_GCC_VERSION == 4005 -+#define FOR_EACH_LOCAL_DECL(FUN, I, D) for (tree vars = (FUN)->local_decls, (I) = 0; vars && ((D) = TREE_VALUE(vars)); vars = TREE_CHAIN(vars), (I)++) -+#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE))) -+#define FOR_EACH_VEC_ELT(T, V, I, P) for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I)) -+#define TODO_rebuild_cgraph_edges 0 -+#define SCOPE_FILE_SCOPE_P(EXP) (!(EXP)) -+ -+#ifndef O_BINARY -+#define O_BINARY 0 -+#endif -+ -+typedef struct varpool_node *varpool_node_ptr; -+ -+static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code) -+{ -+ tree fndecl; -+ -+ if (!is_gimple_call(stmt)) -+ return false; -+ fndecl = gimple_call_fndecl(stmt); -+ if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL) -+ return false; -+// print_node(stderr, "pax", fndecl, 4); -+ return DECL_FUNCTION_CODE(fndecl) == code; -+} -+ -+static inline bool is_simple_builtin(tree decl) -+{ -+ if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL) -+ return false; -+ -+ switch (DECL_FUNCTION_CODE(decl)) { -+ /* Builtins that expand to constants. */ -+ case BUILT_IN_CONSTANT_P: -+ case BUILT_IN_EXPECT: -+ case BUILT_IN_OBJECT_SIZE: -+ case BUILT_IN_UNREACHABLE: -+ /* Simple register moves or loads from stack. */ -+ case BUILT_IN_RETURN_ADDRESS: -+ case BUILT_IN_EXTRACT_RETURN_ADDR: -+ case BUILT_IN_FROB_RETURN_ADDR: -+ case BUILT_IN_RETURN: -+ case BUILT_IN_AGGREGATE_INCOMING_ADDRESS: -+ case BUILT_IN_FRAME_ADDRESS: -+ case BUILT_IN_VA_END: -+ case BUILT_IN_STACK_SAVE: -+ case BUILT_IN_STACK_RESTORE: -+ /* Exception state returns or moves registers around. */ -+ case BUILT_IN_EH_FILTER: -+ case BUILT_IN_EH_POINTER: -+ case BUILT_IN_EH_COPY_VALUES: -+ return true; -+ -+ default: -+ return false; -+ } -+} -+ -+static inline void add_local_decl(struct function *fun, tree d) -+{ -+ gcc_assert(TREE_CODE(d) == VAR_DECL); -+ fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4006 -+#define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN) -+#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP) -+#define EDGE_PRESERVE 0ULL -+#define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x" -+#define flag_fat_lto_objects true -+ -+#define get_random_seed(noinit) ({ \ -+ unsigned HOST_WIDE_INT seed; \ -+ sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed); \ -+ seed * seed; }) -+ -+#define int_const_binop(code, arg1, arg2) int_const_binop((code), (arg1), (arg2), 0) -+ -+static inline bool gimple_clobber_p(gimple s __unused) -+{ -+ return false; -+} -+ -+static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt) -+{ -+ unsigned i; -+ -+ for (i = 0; i < gimple_asm_nclobbers(stmt); i++) { -+ tree op = gimple_asm_clobber_op(stmt, i); -+ if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory")) -+ return true; -+ } -+ -+ return false; -+} -+ -+static inline tree builtin_decl_implicit(enum built_in_function fncode) -+{ -+ return implicit_built_in_decls[fncode]; -+} -+ -+static inline int ipa_reverse_postorder(struct cgraph_node **order) -+{ -+ return cgraph_postorder(order); -+} -+ -+static inline struct cgraph_node *cgraph_get_create_node(tree decl) -+{ -+ struct cgraph_node *node = cgraph_get_node(decl); -+ -+ return node ? node : cgraph_node(decl); -+} -+ -+static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node) -+{ -+ return node->analyzed && !node->thunk.thunk_p && !node->alias; -+} -+ -+static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void) -+{ -+ struct cgraph_node *node; -+ -+ for (node = cgraph_nodes; node; node = node->next) -+ if (cgraph_function_with_gimple_body_p(node)) -+ return node; -+ return NULL; -+} -+ -+static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node) -+{ -+ for (node = node->next; node; node = node->next) -+ if (cgraph_function_with_gimple_body_p(node)) -+ return node; -+ return NULL; -+} -+ -+#define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \ -+ for ((node) = cgraph_first_function_with_gimple_body(); (node); \ -+ (node) = cgraph_next_function_with_gimple_body(node)) -+ -+static inline void varpool_add_new_variable(tree decl) -+{ -+ varpool_finalize_decl(decl); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4006 -+extern void debug_gimple_stmt(gimple); -+extern void debug_gimple_seq(gimple_seq); -+extern void print_gimple_seq(FILE *, gimple_seq, int, int); -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+extern void print_gimple_expr(FILE *, gimple, int, int); -+extern void dump_gimple_stmt(pretty_printer *, gimple, int, int); -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4007 -+#define FOR_EACH_FUNCTION(node) for (node = cgraph_nodes; node; node = node->next) -+#define FOR_EACH_VARIABLE(node) for (node = varpool_nodes; node; node = node->next) -+#define PROP_loops 0 -+#define NODE_SYMBOL(node) (node) -+#define NODE_DECL(node) (node)->decl -+#define INSN_LOCATION(INSN) RTL_LOCATION(INSN) -+ -+static inline int bb_loop_depth(const_basic_block bb) -+{ -+ return bb->loop_father ? loop_depth(bb->loop_father) : 0; -+} -+ -+static inline bool gimple_store_p(gimple gs) -+{ -+ tree lhs = gimple_get_lhs(gs); -+ return lhs && !is_gimple_reg(lhs); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008 -+static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n) -+{ -+ return cgraph_alias_aliased_node(n); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION <= 4009 -+#define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \ -+ cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq)) -+#define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \ -+ cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason)) -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4008 -+#define ENTRY_BLOCK_PTR_FOR_FN(FN) ENTRY_BLOCK_PTR_FOR_FUNCTION(FN) -+#define EXIT_BLOCK_PTR_FOR_FN(FN) EXIT_BLOCK_PTR_FOR_FUNCTION(FN) -+#define basic_block_info_for_fn(FN) ((FN)->cfg->x_basic_block_info) -+#define n_basic_blocks_for_fn(FN) ((FN)->cfg->x_n_basic_blocks) -+#define n_edges_for_fn(FN) ((FN)->cfg->x_n_edges) -+#define last_basic_block_for_fn(FN) ((FN)->cfg->x_last_basic_block) -+#define label_to_block_map_for_fn(FN) ((FN)->cfg->x_label_to_block_map) -+#define profile_status_for_fn(FN) ((FN)->cfg->x_profile_status) -+#define BASIC_BLOCK_FOR_FN(FN, N) BASIC_BLOCK_FOR_FUNCTION((FN), (N)) -+#define NODE_IMPLICIT_ALIAS(node) (node)->same_body_alias -+ -+static inline bool tree_fits_shwi_p(const_tree t) -+{ -+ if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST) -+ return false; -+ -+ if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0) -+ return true; -+ -+ if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t))) -+ return true; -+ -+ return false; -+} -+ -+static inline bool tree_fits_uhwi_p(const_tree t) -+{ -+ if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST) -+ return false; -+ -+ return TREE_INT_CST_HIGH(t) == 0; -+} -+ -+static inline HOST_WIDE_INT tree_to_shwi(const_tree t) -+{ -+ gcc_assert(tree_fits_shwi_p(t)); -+ return TREE_INT_CST_LOW(t); -+} -+ -+static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t) -+{ -+ gcc_assert(tree_fits_uhwi_p(t)); -+ return TREE_INT_CST_LOW(t); -+} -+ -+static inline const char *get_tree_code_name(enum tree_code code) -+{ -+ gcc_assert(code < MAX_TREE_CODES); -+ return tree_code_name[code]; -+} -+ -+#define ipa_remove_stmt_references(cnode, stmt) -+ -+typedef union gimple_statement_d gasm; -+typedef union gimple_statement_d gassign; -+typedef union gimple_statement_d gcall; -+typedef union gimple_statement_d gcond; -+typedef union gimple_statement_d gdebug; -+typedef union gimple_statement_d gphi; -+typedef union gimple_statement_d greturn; -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcond *as_a_gcond(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcond *as_a_const_gcond(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gdebug *as_a_gdebug(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gdebug *as_a_const_gdebug(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return stmt; -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4008 -+#define NODE_SYMBOL(node) (&(node)->symbol) -+#define NODE_DECL(node) (node)->symbol.decl -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define add_referenced_var(var) -+#define mark_sym_for_renaming(var) -+#define varpool_mark_needed_node(node) -+#define create_var_ann(var) -+#define TODO_dump_func 0 -+#define TODO_dump_cgraph 0 -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4009 -+#define TODO_verify_il 0 -+#define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE -+ -+#define section_name_prefix LTO_SECTION_NAME_PREFIX -+#define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__) -+ -+typedef struct rtx_def rtx_insn; -+ -+static inline void set_decl_section_name(tree node, const char *value) -+{ -+ DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4009 -+typedef struct gimple_statement_asm gasm; -+typedef struct gimple_statement_base gassign; -+typedef struct gimple_statement_call gcall; -+typedef struct gimple_statement_base gcond; -+typedef struct gimple_statement_base gdebug; -+typedef struct gimple_statement_phi gphi; -+typedef struct gimple_statement_base greturn; -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return as_a<gasm>(stmt); -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return as_a<const gasm>(stmt); -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return as_a<gcall>(stmt); -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return as_a<const gcall>(stmt); -+} -+ -+static inline gcond *as_a_gcond(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcond *as_a_const_gcond(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gdebug *as_a_gdebug(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gdebug *as_a_const_gdebug(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return as_a<gphi>(stmt); -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return as_a<const gphi>(stmt); -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return stmt; -+} -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#define TODO_ggc_collect 0 -+#define NODE_SYMBOL(node) (node) -+#define NODE_DECL(node) (node)->decl -+#define cgraph_node_name(node) (node)->name() -+#define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias -+#endif -+ -+#if BUILDING_GCC_VERSION >= 5000 -+#define TODO_verify_ssa TODO_verify_il -+#define TODO_verify_flow TODO_verify_il -+#define TODO_verify_stmts TODO_verify_il -+#define TODO_verify_rtl_sharing TODO_verify_il -+ -+//#define TREE_INT_CST_HIGH(NODE) ({ TREE_INT_CST_EXT_NUNITS(NODE) > 1 ? (unsigned HOST_WIDE_INT)TREE_INT_CST_ELT(NODE, 1) : 0; }) -+ -+#define INSN_DELETED_P(insn) (insn)->deleted() -+ -+// symtab/cgraph related -+#define debug_cgraph_node(node) (node)->debug() -+#define cgraph_get_node(decl) cgraph_node::get(decl) -+#define cgraph_get_create_node(decl) cgraph_node::get_create(decl) -+#define cgraph_n_nodes symtab->cgraph_count -+#define cgraph_max_uid symtab->cgraph_max_uid -+#define varpool_get_node(decl) varpool_node::get(decl) -+ -+#define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \ -+ (caller)->create_edge((callee), (call_stmt), (count), (freq)) -+#define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \ -+ (caller)->create_edge_including_clones((callee), (old_call_stmt), (call_stmt), (count), (freq), (reason)) -+ -+typedef struct cgraph_node *cgraph_node_ptr; -+typedef struct cgraph_edge *cgraph_edge_p; -+typedef struct varpool_node *varpool_node_ptr; -+ -+static inline void change_decl_assembler_name(tree decl, tree name) -+{ -+ symtab->change_decl_assembler_name(decl, name); -+} -+ -+static inline void varpool_finalize_decl(tree decl) -+{ -+ varpool_node::finalize_decl(decl); -+} -+ -+static inline void varpool_add_new_variable(tree decl) -+{ -+ varpool_node::add(decl); -+} -+ -+static inline unsigned int rebuild_cgraph_edges(void) -+{ -+ return cgraph_edge::rebuild_edges(); -+} -+ -+static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability) -+{ -+ return node->function_symbol(availability); -+} -+ -+static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL) -+{ -+ return node->ultimate_alias_target(availability); -+} -+ -+static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node) -+{ -+ return node->only_called_directly_p(); -+} -+ -+static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node) -+{ -+ return node->get_availability(); -+} -+ -+static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node) -+{ -+ return node->get_alias_target(); -+} -+ -+static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_insertion_hook(hook, data); -+} -+ -+static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry) -+{ -+ symtab->remove_cgraph_insertion_hook(entry); -+} -+ -+static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_removal_hook(hook, data); -+} -+ -+static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry) -+{ -+ symtab->remove_cgraph_removal_hook(entry); -+} -+ -+static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_duplication_hook(hook, data); -+} -+ -+static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry) -+{ -+ symtab->remove_cgraph_duplication_hook(entry); -+} -+ -+// gimple related -+static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL) -+{ -+ return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT); -+} -+ -+template <> -+template <> -+inline bool is_a_helper<const gassign *>::test(const_gimple gs) -+{ -+ return gs->code == GIMPLE_ASSIGN; -+} -+ -+template <> -+template <> -+inline bool is_a_helper<const greturn *>::test(const_gimple gs) -+{ -+ return gs->code == GIMPLE_RETURN; -+} -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return as_a<gasm *>(stmt); -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return as_a<const gasm *>(stmt); -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return as_a<gassign *>(stmt); -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return as_a<const gassign *>(stmt); -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return as_a<gcall *>(stmt); -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return as_a<const gcall *>(stmt); -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return as_a<gphi *>(stmt); -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return as_a<const gphi *>(stmt); -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return as_a<greturn *>(stmt); -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return as_a<const greturn *>(stmt); -+} -+ -+// IPA/LTO related -+#define ipa_ref_list_referring_iterate(L,I,P) (L)->referring.iterate((I), &(P)) -+#define ipa_ref_list_reference_iterate(L,I,P) (L)->reference.iterate((I), &(P)) -+ -+static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref) -+{ -+ return dyn_cast<cgraph_node_ptr>(ref->referring); -+} -+ -+static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt) -+{ -+ referring_node->remove_stmt_references(stmt); -+} -+#endif -+ -+#endif -diff --git a/tools/gcc/gen-random-seed.sh b/tools/gcc/gen-random-seed.sh -new file mode 100644 -index 0000000..7514850 ---- /dev/null -+++ b/tools/gcc/gen-random-seed.sh -@@ -0,0 +1,8 @@ -+#!/bin/sh -+ -+if [ ! -f "$1" ]; then -+ SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` -+ echo "const char *randstruct_seed = \"$SEED\";" > "$1" -+ HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` -+ echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" -+fi -diff --git a/tools/gcc/initify_plugin.c b/tools/gcc/initify_plugin.c -new file mode 100644 -index 0000000..294ac43 ---- /dev/null -+++ b/tools/gcc/initify_plugin.c -@@ -0,0 +1,450 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/initify -+ * -+ * Move string constants (__func__ and function string arguments marked by the nocapture attribute) -+ * only referenced in __init/__exit functions to __initconst/__exitconst sections. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static bool verbose = false; -+ -+static struct plugin_info initify_plugin_info = { -+ .version = "20150524a", -+ .help = "initify_plugin\n", -+}; -+ -+static tree handle_nocapture_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ tree orig_attr, arg; -+ -+ *no_add_attrs = true; -+ switch (TREE_CODE(*node)) { -+ case FUNCTION_DECL: -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ break; -+ -+ case TYPE_DECL: { -+ const_tree fntype = TREE_TYPE(*node); -+ -+ if (TREE_CODE(fntype) == POINTER_TYPE) -+ fntype = TREE_TYPE(fntype); -+ if (TREE_CODE(fntype) == FUNCTION_TYPE || TREE_CODE(fntype) == METHOD_TYPE) -+ break; -+ // FALLTHROUGH -+ } -+ -+ default: -+ error("%s: %qE attribute only applies to functions", __func__, name); -+ debug_tree(*node); -+ return NULL_TREE; -+ } -+ -+ for (arg = args; arg; arg = TREE_CHAIN(arg)) { -+ tree position = TREE_VALUE(arg); -+ -+ if (TREE_CODE(position) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(arg); -+ return NULL_TREE; -+ } -+ } -+ -+ orig_attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(*node)); -+ if (orig_attr) -+ chainon(TREE_VALUE(orig_attr), args); -+ else -+ *no_add_attrs = false; -+ -+ return NULL_TREE; -+} -+ -+static struct attribute_spec nocapture_attr = { -+ .name = "nocapture", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_nocapture_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void __unused *event_data, void __unused *data) -+{ -+ register_attribute(&nocapture_attr); -+} -+ -+static const char *get_init_exit_section(const_tree decl) -+{ -+ const_tree section; -+ tree attr_value; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(decl)); -+ if (!section) -+ return NULL; -+ -+ gcc_assert(TREE_VALUE(section)); -+ for (attr_value = TREE_VALUE(section); attr_value; attr_value = TREE_CHAIN(attr_value)) { -+ const char *str = TREE_STRING_POINTER(TREE_VALUE(attr_value)); -+ -+ if (!strncmp(str, ".init.", 6)) -+ return str; -+ -+ if (!strncmp(str, ".exit.", 6)) -+ return str; -+ } -+ -+ return NULL; -+} -+ -+static tree get_string_cst(tree var) -+{ -+ if (var == NULL_TREE) -+ return NULL_TREE; -+ -+ if (TREE_CODE(var) == STRING_CST) -+ return var; -+ -+ switch (TREE_CODE_CLASS(TREE_CODE(var))) { -+ case tcc_expression: -+ case tcc_reference: { -+ int i; -+ -+ for (i = 0; i < TREE_OPERAND_LENGTH(var); i++) { -+ tree ret = get_string_cst(TREE_OPERAND(var, i)); -+ if (ret != NULL_TREE) -+ return ret; -+ } -+ break; -+ } -+ -+ default: -+ break; -+ } -+ -+ return NULL_TREE; -+} -+ -+static bool set_init_exit_section(tree decl, bool initexit) -+{ -+ const char *str; -+ -+ gcc_assert(DECL_P(decl)); -+ -+ str = get_init_exit_section(decl); -+ if (str) -+ return false; -+ -+ if (initexit) -+ set_decl_section_name(decl, ".init.rodata.str"); -+ else -+ set_decl_section_name(decl, ".exit.rodata.str"); -+ return true; -+} -+ -+static void search_local_strs(bool initexit) -+{ -+ unsigned int i; -+ tree var; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree str, init_val = DECL_INITIAL(var); -+ -+ if (init_val == NULL_TREE) -+ continue; -+ if (strcmp(DECL_NAME_POINTER(var), "__func__")) -+ continue; -+ -+ str = get_string_cst(init_val); -+ gcc_assert(str); -+ -+ if (set_init_exit_section(var, initexit) && verbose) -+ inform(DECL_SOURCE_LOCATION(var), "initified local var: %s: %s", DECL_NAME_POINTER(current_function_decl), TREE_STRING_POINTER(str)); -+ } -+} -+ -+static tree create_tmp_assign(gcall *stmt, unsigned int num) -+{ -+ tree str, type, decl, arg = gimple_call_arg(stmt, num); -+ -+ str = get_string_cst(arg); -+ decl = build_decl(DECL_SOURCE_LOCATION(current_function_decl), VAR_DECL, create_tmp_var_name("cicus"), TREE_TYPE(str)); -+ -+ type = TREE_TYPE(TREE_TYPE(decl)); -+ type = build_qualified_type(type, TYPE_QUALS(type) | TYPE_QUAL_CONST); -+ TYPE_READONLY(type) = 1; -+ TREE_PUBLIC(type) = 0; -+ -+ DECL_INITIAL(decl) = str; -+ DECL_CONTEXT(decl) = current_function_decl; -+ DECL_ARTIFICIAL(decl) = 1; -+ -+ TREE_STATIC(decl) = 1; -+ TREE_READONLY(decl) = 1; -+ TREE_ADDRESSABLE(decl) = 1; -+ TREE_USED(decl) = 1; -+ -+ add_referenced_var(decl); -+ add_local_decl(cfun, decl); -+ -+ varpool_add_new_variable(decl); -+ varpool_mark_needed_node(varpool_node(decl)); -+ -+ DECL_CHAIN(decl) = BLOCK_VARS(DECL_INITIAL(current_function_decl)); -+ BLOCK_VARS(DECL_INITIAL (current_function_decl)) = decl; -+ -+ decl = build_fold_addr_expr_loc(DECL_SOURCE_LOCATION(current_function_decl), decl); -+ gimple_call_set_arg(stmt, num, decl); -+ update_stmt(stmt); -+ -+ return TREE_OPERAND(decl, 0); -+} -+ -+static bool is_syscall(const_tree fn) -+{ -+ if (!strncmp(DECL_NAME_POINTER(fn), "sys_", 4)) -+ return true; -+ -+ if (!strncmp(DECL_NAME_POINTER(fn), "sys32_", 6)) -+ return true; -+ -+ if (!strncmp(DECL_NAME_POINTER(fn), "compat_sys_", 11)) -+ return true; -+ -+ return false; -+} -+ -+static bool is_vararg(const_tree fn) -+{ -+ tree arg_list; -+ -+ arg_list = TYPE_ARG_TYPES(TREE_TYPE(fn)); -+ if (arg_list == NULL_TREE) -+ return false; -+ -+ return tree_last(arg_list) != void_list_node; -+} -+ -+// __printf(1, 0), 0: turn off the varargs checking -+static bool check_varargs(const_tree attr) -+{ -+ const_tree attr_val; -+ -+ for (attr_val = TREE_VALUE(attr); attr_val; attr_val = TREE_CHAIN(attr_val)) { -+ if (TREE_VALUE(attr_val) == integer_zero_node) -+ return false; -+ } -+ return true; -+} -+ -+static bool is_nocapture_param(const_gimple stmt, unsigned int num) -+{ -+ unsigned int attr_arg_val = 0; -+ tree attr_val; -+ const_tree attr; -+ const_tree fndecl = gimple_call_fndecl(stmt); -+ -+ gcc_assert(DECL_ABSTRACT_ORIGIN(fndecl) == NULL_TREE); -+ -+ if (is_syscall(fndecl)) -+ return true; -+ -+ attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(fndecl)); -+ for (attr_val = TREE_VALUE(attr); attr_val; attr_val = TREE_CHAIN(attr_val)) { -+ attr_arg_val = (unsigned int)tree_to_uhwi(TREE_VALUE(attr_val)); -+ -+ if (attr_arg_val == num + 1) -+ return true; -+ } -+ -+ if (!is_vararg(fndecl)) -+ return false; -+ if (!check_varargs(attr)) -+ return false; -+ return attr_arg_val < num + 1; -+} -+ -+static void search_str_param(gcall *stmt, bool initexit) -+{ -+ unsigned int num; -+ -+ for (num = 0; num < gimple_call_num_args(stmt); num++) { -+ tree var, str, arg = gimple_call_arg(stmt, num); -+ -+ str = get_string_cst(arg); -+ if (str == NULL_TREE) -+ continue; -+ -+ if (!is_nocapture_param(stmt, num)) -+ continue; -+ -+ var = create_tmp_assign(stmt, num); -+ if (set_init_exit_section(var, initexit) && verbose) -+ inform(gimple_location(stmt), "initified function arg: %s: [%s]", DECL_NAME_POINTER(current_function_decl), TREE_STRING_POINTER(str)); -+ } -+} -+ -+static bool has_nocapture_param(const gcall *stmt) -+{ -+ const_tree attr, fndecl = gimple_call_fndecl(stmt); -+ -+ if (fndecl == NULL_TREE) -+ return false; -+ -+ if (is_syscall(fndecl)) -+ return true; -+ -+ attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(fndecl)); -+ return attr != NULL_TREE; -+} -+ -+static void search_const_strs(bool initexit) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gcall *call_stmt; -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (!is_gimple_call(stmt)) -+ continue; -+ -+ call_stmt = as_a_gcall(stmt); -+ if (has_nocapture_param(call_stmt)) -+ search_str_param(call_stmt, initexit); -+ } -+ } -+} -+ -+static unsigned int handle_function(void) -+{ -+ bool initexit; -+ const char *section = get_init_exit_section(current_function_decl); -+ -+ if (!section) -+ return 0; -+ -+ initexit = !strncmp(section, ".init.", 6); -+ search_local_strs(initexit); -+ search_const_strs(initexit); -+ -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data initify_plugin_pass_data = { -+#else -+static struct gimple_opt_pass initify_plugin_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "initify_plugin", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class initify_plugin_pass : public gimple_opt_pass { -+public: -+ initify_plugin_pass() : gimple_opt_pass(initify_plugin_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return handle_function(); } -+#else -+ unsigned int execute() { return handle_function(); } -+#endif -+}; -+} -+ -+static struct opt_pass *make_initify_plugin_pass(void) -+{ -+ return new initify_plugin_pass(); -+} -+#else -+static struct opt_pass *make_initify_plugin_pass(void) -+{ -+ return &initify_plugin_pass.pass; -+} -+#endif -+ -+static unsigned int (*old_section_type_flags)(tree decl, const char *name, int reloc); -+ -+static unsigned int initify_section_type_flags(tree decl, const char *name, int reloc) -+{ -+ if (!strcmp(name, ".init.rodata.str") || !strcmp(name, ".exit.rodata.str")) { -+ gcc_assert(TREE_CODE(decl) == VAR_DECL); -+ gcc_assert(DECL_INITIAL(decl)); -+ gcc_assert(TREE_CODE(DECL_INITIAL(decl)) == STRING_CST); -+ -+ return 1 | SECTION_MERGE | SECTION_STRINGS; -+ } -+ -+ return old_section_type_flags(decl, name, reloc); -+} -+ -+static void initify_start_unit(void __unused *gcc_data, void __unused *user_data) -+{ -+ old_section_type_flags = targetm.section_type_flags; -+ targetm.section_type_flags = initify_section_type_flags; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info initify_plugin_pass_info; -+ -+ initify_plugin_pass_info.pass = make_initify_plugin_pass(); -+ initify_plugin_pass_info.reference_pass_name = "nrv"; -+ initify_plugin_pass_info.ref_pass_instance_number = 1; -+ initify_plugin_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &initify_plugin_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &initify_plugin_pass_info); -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ register_callback(plugin_name, PLUGIN_START_UNIT, initify_start_unit, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c -new file mode 100644 -index 0000000..457d54e ---- /dev/null -+++ b/tools/gcc/kallocstat_plugin.c -@@ -0,0 +1,188 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to find the distribution of k*alloc sizes -+ * -+ * TODO: -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info kallocstat_plugin_info = { -+ .version = "201401260140", -+ .help = NULL -+}; -+ -+static const char * const kalloc_functions[] = { -+ "__kmalloc", -+ "kmalloc", -+ "kmalloc_large", -+ "kmalloc_node", -+ "kmalloc_order", -+ "kmalloc_order_trace", -+ "kmalloc_slab", -+ "kzalloc", -+ "kzalloc_node", -+}; -+ -+static bool is_kalloc(const char *fnname) -+{ -+ size_t i; -+ -+ for (i = 0; i < ARRAY_SIZE(kalloc_functions); i++) -+ if (!strcmp(fnname, kalloc_functions[i])) -+ return true; -+ return false; -+} -+ -+static unsigned int execute_kallocstat(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: -+ tree fndecl, size; -+ gimple stmt; -+ const char *fnname; -+ -+ // is it a call -+ stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(stmt)) -+ continue; -+ fndecl = gimple_call_fndecl(stmt); -+ if (fndecl == NULL_TREE) -+ continue; -+ if (TREE_CODE(fndecl) != FUNCTION_DECL) -+ continue; -+ -+ // is it a call to k*alloc -+ fnname = DECL_NAME_POINTER(fndecl); -+ if (!is_kalloc(fnname)) -+ continue; -+ -+ // is the size arg const or the result of a simple const assignment -+ size = gimple_call_arg(stmt, 0); -+ while (true) { -+ expanded_location xloc; -+ size_t size_val; -+ -+ if (TREE_CONSTANT(size)) { -+ xloc = expand_location(gimple_location(stmt)); -+ if (!xloc.file) -+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl)); -+ size_val = TREE_INT_CST_LOW(size); -+ fprintf(stderr, "kallocsize: %8zu %8zx %s %s:%u\n", size_val, size_val, fnname, xloc.file, xloc.line); -+ break; -+ } -+ -+ if (TREE_CODE(size) != SSA_NAME) -+ break; -+ stmt = SSA_NAME_DEF_STMT(size); -+//debug_gimple_stmt(stmt); -+//debug_tree(size); -+ if (!stmt || !is_gimple_assign(stmt)) -+ break; -+ if (gimple_num_ops(stmt) != 2) -+ break; -+ size = gimple_assign_rhs1(stmt); -+ } -+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO); -+//debug_tree(gimple_call_fn(call_stmt)); -+//print_node(stderr, "pax", fndecl, 4); -+ } -+ } -+ -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data kallocstat_pass_data = { -+#else -+static struct gimple_opt_pass kallocstat_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kallocstat", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = execute_kallocstat, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class kallocstat_pass : public gimple_opt_pass { -+public: -+ kallocstat_pass() : gimple_opt_pass(kallocstat_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return execute_kallocstat(); } -+#else -+ unsigned int execute() { return execute_kallocstat(); } -+#endif -+}; -+} -+ -+static opt_pass *make_kallocstat_pass(void) -+{ -+ return new kallocstat_pass(); -+} -+#else -+static struct opt_pass *make_kallocstat_pass(void) -+{ -+ return &kallocstat_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info kallocstat_pass_info; -+ -+ kallocstat_pass_info.pass = make_kallocstat_pass(); -+ kallocstat_pass_info.reference_pass_name = "ssa"; -+ kallocstat_pass_info.ref_pass_instance_number = 1; -+ kallocstat_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kallocstat_plugin_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kallocstat_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c -new file mode 100644 -index 0000000..4838c8a ---- /dev/null -+++ b/tools/gcc/kernexec_plugin.c -@@ -0,0 +1,551 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to make KERNEXEC/amd64 almost as good as it is on i386 -+ * -+ * TODO: -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info kernexec_plugin_info = { -+ .version = "201401260140", -+ .help = "method=[bts|or]\tinstrumentation method\n" -+}; -+ -+static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *); -+static void (*kernexec_instrument_retaddr)(rtx); -+ -+/* -+ * add special KERNEXEC instrumentation: reload %r12 after it has been clobbered -+ */ -+static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gasm *asm_movabs_stmt; -+ -+ // build asm volatile("movabs $0x8000000000000000, %%r12\n\t" : : : ); -+ stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r12\n\t", NULL, NULL, NULL, NULL); -+ asm_movabs_stmt = as_a_gasm(stmt); -+ gimple_asm_set_volatile(asm_movabs_stmt, true); -+ gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING); -+ update_stmt(asm_movabs_stmt); -+} -+ -+/* -+ * find all asm() stmts that clobber r12 and add a reload of r12 -+ */ -+static unsigned int execute_kernexec_reload(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: __asm__ ("" : : : "r12"); -+ gimple stmt; -+ gasm *asm_stmt; -+ size_t nclobbers; -+ -+ // is it an asm ... -+ stmt = gsi_stmt(gsi); -+ if (gimple_code(stmt) != GIMPLE_ASM) -+ continue; -+ -+ asm_stmt = as_a_gasm(stmt); -+ -+ // ... clobbering r12 -+ nclobbers = gimple_asm_nclobbers(asm_stmt); -+ while (nclobbers--) { -+ tree op = gimple_asm_clobber_op(asm_stmt, nclobbers); -+ if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r12")) -+ continue; -+ kernexec_reload_fptr_mask(&gsi); -+//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO); -+ break; -+ } -+ } -+ } -+ -+ return 0; -+} -+ -+/* -+ * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce -+ * a non-canonical address from a userland ptr and will just trigger a GPF on dereference -+ */ -+static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi) -+{ -+ gimple assign_intptr, assign_new_fptr; -+ gcall *call_stmt; -+ tree intptr, orptr, old_fptr, new_fptr, kernexec_mask; -+ -+ call_stmt = as_a_gcall(gsi_stmt(*gsi)); -+ old_fptr = gimple_call_fn(call_stmt); -+ -+ // create temporary unsigned long variable used for bitops and cast fptr to it -+ intptr = create_tmp_var(long_unsigned_type_node, "kernexec_bts"); -+ add_referenced_var(intptr); -+ intptr = make_ssa_name(intptr, NULL); -+ assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr)); -+ SSA_NAME_DEF_STMT(intptr) = assign_intptr; -+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT); -+ update_stmt(assign_intptr); -+ -+ // apply logical or to temporary unsigned long and bitmask -+ kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL); -+// kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL); -+ orptr = fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask); -+ intptr = make_ssa_name(SSA_NAME_VAR(intptr), NULL); -+ assign_intptr = gimple_build_assign(intptr, orptr); -+ SSA_NAME_DEF_STMT(intptr) = assign_intptr; -+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT); -+ update_stmt(assign_intptr); -+ -+ // cast temporary unsigned long back to a temporary fptr variable -+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_fptr"); -+ add_referenced_var(new_fptr); -+ new_fptr = make_ssa_name(new_fptr, NULL); -+ assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr)); -+ SSA_NAME_DEF_STMT(new_fptr) = assign_new_fptr; -+ gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT); -+ update_stmt(assign_new_fptr); -+ -+ // replace call stmt fn with the new fptr -+ gimple_call_set_fn(call_stmt, new_fptr); -+ update_stmt(call_stmt); -+} -+ -+static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gasm *asm_or_stmt; -+ gcall *call_stmt; -+ tree old_fptr, new_fptr, input, output; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *inputs = NULL; -+ VEC(tree, gc) *outputs = NULL; -+#else -+ vec<tree, va_gc> *inputs = NULL; -+ vec<tree, va_gc> *outputs = NULL; -+#endif -+ -+ call_stmt = as_a_gcall(gsi_stmt(*gsi)); -+ old_fptr = gimple_call_fn(call_stmt); -+ -+ // create temporary fptr variable -+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_or"); -+ add_referenced_var(new_fptr); -+ new_fptr = make_ssa_name(new_fptr, NULL); -+ -+ // build asm volatile("orq %%r12, %0\n\t" : "=r"(new_fptr) : "0"(old_fptr)); -+ input = build_tree_list(NULL_TREE, build_string(2, "0")); -+ input = chainon(NULL_TREE, build_tree_list(input, old_fptr)); -+ output = build_tree_list(NULL_TREE, build_string(3, "=r")); -+ output = chainon(NULL_TREE, build_tree_list(output, new_fptr)); -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, gc, inputs, input); -+ VEC_safe_push(tree, gc, outputs, output); -+#else -+ vec_safe_push(inputs, input); -+ vec_safe_push(outputs, output); -+#endif -+ stmt = gimple_build_asm_vec("orq %%r12, %0\n\t", inputs, outputs, NULL, NULL); -+ asm_or_stmt = as_a_gasm(stmt); -+ SSA_NAME_DEF_STMT(new_fptr) = asm_or_stmt; -+ gimple_asm_set_volatile(asm_or_stmt, true); -+ gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT); -+ update_stmt(asm_or_stmt); -+ -+ // replace call stmt fn with the new fptr -+ gimple_call_set_fn(call_stmt, new_fptr); -+ update_stmt(call_stmt); -+} -+ -+/* -+ * find all C level function pointer dereferences and forcibly set the highest bit of the pointer -+ */ -+static unsigned int execute_kernexec_fptr(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D)); -+ tree fn; -+ gimple stmt; -+ gcall *call_stmt; -+ -+ // is it a call ... -+ stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(stmt)) -+ continue; -+ call_stmt = as_a_gcall(stmt); -+ fn = gimple_call_fn(call_stmt); -+ if (TREE_CODE(fn) == ADDR_EXPR) -+ continue; -+ if (TREE_CODE(fn) != SSA_NAME) -+ gcc_unreachable(); -+ -+ // ... through a function pointer -+ if (SSA_NAME_VAR(fn) != NULL_TREE) { -+ fn = SSA_NAME_VAR(fn); -+ if (TREE_CODE(fn) != VAR_DECL && TREE_CODE(fn) != PARM_DECL) { -+ debug_tree(fn); -+ gcc_unreachable(); -+ } -+ } -+ fn = TREE_TYPE(fn); -+ if (TREE_CODE(fn) != POINTER_TYPE) -+ continue; -+ fn = TREE_TYPE(fn); -+ if (TREE_CODE(fn) != FUNCTION_TYPE) -+ continue; -+ -+ kernexec_instrument_fptr(&gsi); -+ -+//debug_tree(gimple_call_fn(call_stmt)); -+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO); -+ } -+ } -+ -+ return 0; -+} -+ -+// add special KERNEXEC instrumentation: btsq $63,(%rsp) just before retn -+static void kernexec_instrument_retaddr_bts(rtx insn) -+{ -+ rtx btsq; -+ rtvec argvec, constraintvec, labelvec; -+ int line; -+ -+ // create asm volatile("btsq $63,(%%rsp)":::) -+ argvec = rtvec_alloc(0); -+ constraintvec = rtvec_alloc(0); -+ labelvec = rtvec_alloc(0); -+ line = expand_location(RTL_LOCATION(insn)).line; -+ btsq = gen_rtx_ASM_OPERANDS(VOIDmode, "btsq $63,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line); -+ MEM_VOLATILE_P(btsq) = 1; -+// RTX_FRAME_RELATED_P(btsq) = 1; // not for ASM_OPERANDS -+ emit_insn_before(btsq, insn); -+} -+ -+// add special KERNEXEC instrumentation: orq %r12,(%rsp) just before retn -+static void kernexec_instrument_retaddr_or(rtx insn) -+{ -+ rtx orq; -+ rtvec argvec, constraintvec, labelvec; -+ int line; -+ -+ // create asm volatile("orq %%r12,(%%rsp)":::) -+ argvec = rtvec_alloc(0); -+ constraintvec = rtvec_alloc(0); -+ labelvec = rtvec_alloc(0); -+ line = expand_location(RTL_LOCATION(insn)).line; -+ orq = gen_rtx_ASM_OPERANDS(VOIDmode, "orq %%r12,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line); -+ MEM_VOLATILE_P(orq) = 1; -+// RTX_FRAME_RELATED_P(orq) = 1; // not for ASM_OPERANDS -+ emit_insn_before(orq, insn); -+} -+ -+/* -+ * find all asm level function returns and forcibly set the highest bit of the return address -+ */ -+static unsigned int execute_kernexec_retaddr(void) -+{ -+ rtx_insn *insn; -+ -+// if (stack_realign_drap) -+// inform(DECL_SOURCE_LOCATION(current_function_decl), "drap detected in %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl))); -+ -+ // 1. find function returns -+ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) { -+ // rtl match: (jump_insn 41 40 42 2 (return) fptr.c:42 634 {return_internal} (nil)) -+ // (jump_insn 12 9 11 2 (parallel [ (return) (unspec [ (0) ] UNSPEC_REP) ]) fptr.c:46 635 {return_internal_long} (nil)) -+ // (jump_insn 97 96 98 6 (simple_return) fptr.c:50 -1 (nil) -> simple_return) -+ rtx body; -+ -+ // is it a retn -+ if (!JUMP_P(insn)) -+ continue; -+ body = PATTERN(insn); -+ if (GET_CODE(body) == PARALLEL) -+ body = XVECEXP(body, 0, 0); -+ if (!ANY_RETURN_P(body)) -+ continue; -+ kernexec_instrument_retaddr(insn); -+ } -+ -+// print_simple_rtl(stderr, get_insns()); -+// print_rtl(stderr, get_insns()); -+ -+ return 0; -+} -+ -+static bool kernexec_cmodel_check(void) -+{ -+ tree section; -+ -+ if (ix86_cmodel != CM_KERNEL) -+ return false; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl)); -+ if (!section || !TREE_VALUE(section)) -+ return true; -+ -+ section = TREE_VALUE(TREE_VALUE(section)); -+ if (strncmp(TREE_STRING_POINTER(section), ".vsyscall_", 10)) -+ return true; -+ -+ return false; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data kernexec_reload_pass_data = { -+#else -+static struct gimple_opt_pass kernexec_reload_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kernexec_reload", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_reload, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data kernexec_fptr_pass_data = { -+#else -+static struct gimple_opt_pass kernexec_fptr_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kernexec_fptr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_fptr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data kernexec_retaddr_pass_data = { -+#else -+static struct rtl_opt_pass kernexec_retaddr_pass = { -+ .pass = { -+#endif -+ .type = RTL_PASS, -+ .name = "kernexec_retaddr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_retaddr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_ggc_collect -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class kernexec_reload_pass : public gimple_opt_pass { -+public: -+ kernexec_reload_pass() : gimple_opt_pass(kernexec_reload_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_reload(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_reload(); } -+#endif -+}; -+ -+class kernexec_fptr_pass : public gimple_opt_pass { -+public: -+ kernexec_fptr_pass() : gimple_opt_pass(kernexec_fptr_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_fptr(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_fptr(); } -+#endif -+}; -+ -+class kernexec_retaddr_pass : public rtl_opt_pass { -+public: -+ kernexec_retaddr_pass() : rtl_opt_pass(kernexec_retaddr_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_retaddr(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_retaddr(); } -+#endif -+}; -+} -+ -+static opt_pass *make_kernexec_reload_pass(void) -+{ -+ return new kernexec_reload_pass(); -+} -+ -+static opt_pass *make_kernexec_fptr_pass(void) -+{ -+ return new kernexec_fptr_pass(); -+} -+ -+static opt_pass *make_kernexec_retaddr_pass(void) -+{ -+ return new kernexec_retaddr_pass(); -+} -+#else -+static struct opt_pass *make_kernexec_reload_pass(void) -+{ -+ return &kernexec_reload_pass.pass; -+} -+ -+static struct opt_pass *make_kernexec_fptr_pass(void) -+{ -+ return &kernexec_fptr_pass.pass; -+} -+ -+static struct opt_pass *make_kernexec_retaddr_pass(void) -+{ -+ return &kernexec_retaddr_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info kernexec_reload_pass_info; -+ struct register_pass_info kernexec_fptr_pass_info; -+ struct register_pass_info kernexec_retaddr_pass_info; -+ -+ kernexec_reload_pass_info.pass = make_kernexec_reload_pass(); -+ kernexec_reload_pass_info.reference_pass_name = "ssa"; -+ kernexec_reload_pass_info.ref_pass_instance_number = 1; -+ kernexec_reload_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ kernexec_fptr_pass_info.pass = make_kernexec_fptr_pass(); -+ kernexec_fptr_pass_info.reference_pass_name = "ssa"; -+ kernexec_fptr_pass_info.ref_pass_instance_number = 1; -+ kernexec_fptr_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ kernexec_retaddr_pass_info.pass = make_kernexec_retaddr_pass(); -+ kernexec_retaddr_pass_info.reference_pass_name = "pro_and_epilogue"; -+ kernexec_retaddr_pass_info.ref_pass_instance_number = 1; -+ kernexec_retaddr_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kernexec_plugin_info); -+ -+ if (TARGET_64BIT == 0) -+ return 0; -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "method")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ if (!strcmp(argv[i].value, "bts")) { -+ kernexec_instrument_fptr = kernexec_instrument_fptr_bts; -+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_bts; -+ } else if (!strcmp(argv[i].value, "or")) { -+ kernexec_instrument_fptr = kernexec_instrument_fptr_or; -+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_or; -+ fix_register("r12", 1, 1); -+ } else -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr) -+ error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name); -+ -+ if (kernexec_instrument_fptr == kernexec_instrument_fptr_or) -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/latent_entropy_plugin.c b/tools/gcc/latent_entropy_plugin.c -new file mode 100644 -index 0000000..ac6f9b4 ---- /dev/null -+++ b/tools/gcc/latent_entropy_plugin.c -@@ -0,0 +1,474 @@ -+/* -+ * Copyright 2012-2015 by the PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to help generate a little bit of entropy from program state, -+ * used throughout the uptime of the kernel -+ * -+ * TODO: -+ * - add ipa pass to identify not explicitly marked candidate functions -+ * - mix in more program state (function arguments/return values, loop variables, etc) -+ * - more instrumentation control via attribute parameters -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static GTY(()) tree latent_entropy_decl; -+ -+static struct plugin_info latent_entropy_plugin_info = { -+ .version = "201504282240", -+ .help = NULL -+}; -+ -+static unsigned HOST_WIDE_INT seed; -+static unsigned HOST_WIDE_INT get_random_const(void) -+{ -+ unsigned int i; -+ unsigned HOST_WIDE_INT ret = 0; -+ -+ for (i = 0; i < 8 * sizeof ret; i++) { -+ ret = (ret << 1) | (seed & 1); -+ seed >>= 1; -+ if (ret & 1) -+ seed ^= 0xD800000000000000ULL; -+ } -+ -+ return ret; -+} -+ -+static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ unsigned long long mask; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(constructor_elt, gc) *vals; -+#else -+ vec<constructor_elt, va_gc> *vals; -+#endif -+ -+ switch (TREE_CODE(*node)) { -+ default: -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions and variables", name); -+ break; -+ -+ case VAR_DECL: -+ if (DECL_INITIAL(*node)) { -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must not be initialized", *node, name); -+ break; -+ } -+ -+ if (!TREE_STATIC(*node)) { -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must not be local", *node, name); -+ break; -+ } -+ -+ type = TREE_TYPE(*node); -+ switch (TREE_CODE(type)) { -+ default: -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must be an integer or a fixed length integer array type or a fixed sized structure with integer fields", *node, name); -+ break; -+ -+ case RECORD_TYPE: { -+ tree field; -+ unsigned int nelt = 0; -+ -+ for (field = TYPE_FIELDS(type); field; nelt++, field = TREE_CHAIN(field)) { -+ tree fieldtype; -+ -+ fieldtype = TREE_TYPE(field); -+ if (TREE_CODE(fieldtype) != INTEGER_TYPE) { -+ *no_add_attrs = true; -+ error("structure variable %qD with %qE attribute has a non-integer field %qE", *node, name, field); -+ break; -+ } -+ } -+ -+ if (field) -+ break; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ vals = VEC_alloc(constructor_elt, gc, nelt); -+#else -+ vec_alloc(vals, nelt); -+#endif -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ tree fieldtype; -+ -+ fieldtype = TREE_TYPE(field); -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(fieldtype)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ if (TYPE_UNSIGNED(fieldtype)) -+ CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cstu(fieldtype, mask & get_random_const())); -+ else -+ CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cst(fieldtype, mask & get_random_const())); -+ } -+ -+ DECL_INITIAL(*node) = build_constructor(type, vals); -+//debug_tree(DECL_INITIAL(*node)); -+ break; -+ } -+ -+ case INTEGER_TYPE: -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(type)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ if (TYPE_UNSIGNED(type)) -+ DECL_INITIAL(*node) = build_int_cstu(type, mask & get_random_const()); -+ else -+ DECL_INITIAL(*node) = build_int_cst(type, mask & get_random_const()); -+ break; -+ -+ case ARRAY_TYPE: { -+ tree elt_type, array_size, elt_size; -+ unsigned int i, nelt; -+ -+ elt_type = TREE_TYPE(type); -+ elt_size = TYPE_SIZE_UNIT(TREE_TYPE(type)); -+ array_size = TYPE_SIZE_UNIT(type); -+ -+ if (TREE_CODE(elt_type) != INTEGER_TYPE || !array_size || TREE_CODE(array_size) != INTEGER_CST) { -+ *no_add_attrs = true; -+ error("array variable %qD with %qE attribute must be a fixed length integer array type", *node, name); -+ break; -+ } -+ -+ nelt = TREE_INT_CST_LOW(array_size) / TREE_INT_CST_LOW(elt_size); -+#if BUILDING_GCC_VERSION <= 4007 -+ vals = VEC_alloc(constructor_elt, gc, nelt); -+#else -+ vec_alloc(vals, nelt); -+#endif -+ -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(elt_type)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ for (i = 0; i < nelt; i++) -+ if (TYPE_UNSIGNED(elt_type)) -+ CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cstu(elt_type, mask & get_random_const())); -+ else -+ CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cst(elt_type, mask & get_random_const())); -+ -+ DECL_INITIAL(*node) = build_constructor(type, vals); -+//debug_tree(DECL_INITIAL(*node)); -+ break; -+ } -+ } -+ break; -+ -+ case FUNCTION_DECL: -+ break; -+ } -+ -+ return NULL_TREE; -+} -+ -+static struct attribute_spec latent_entropy_attr = { -+ .name = "latent_entropy", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_latent_entropy_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&latent_entropy_attr); -+} -+ -+static bool gate_latent_entropy(void) -+{ -+ // don't bother with noreturn functions for now -+ if (TREE_THIS_VOLATILE(current_function_decl)) -+ return false; -+ -+ // gcc-4.5 doesn't discover some trivial noreturn functions -+ if (EDGE_COUNT(EXIT_BLOCK_PTR_FOR_FN(cfun)->preds) == 0) -+ return false; -+ -+ return lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl)) != NULL_TREE; -+} -+ -+static enum tree_code get_op(tree *rhs) -+{ -+ static enum tree_code op; -+ unsigned HOST_WIDE_INT random_const; -+ -+ random_const = get_random_const(); -+ -+ switch (op) { -+ case BIT_XOR_EXPR: -+ op = PLUS_EXPR; -+ break; -+ -+ case PLUS_EXPR: -+ if (rhs) { -+ op = LROTATE_EXPR; -+ random_const &= HOST_BITS_PER_WIDE_INT - 1; -+ break; -+ } -+ -+ case LROTATE_EXPR: -+ default: -+ op = BIT_XOR_EXPR; -+ break; -+ } -+ if (rhs) -+ *rhs = build_int_cstu(unsigned_intDI_type_node, random_const); -+ return op; -+} -+ -+static void perturb_local_entropy(basic_block bb, tree local_entropy) -+{ -+ gimple_stmt_iterator gsi; -+ gimple assign; -+ tree addxorrol, rhs; -+ enum tree_code op; -+ -+ op = get_op(&rhs); -+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, op, unsigned_intDI_type_node, local_entropy, rhs); -+ assign = gimple_build_assign(local_entropy, addxorrol); -+ gsi = gsi_after_labels(bb); -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+//debug_bb(bb); -+} -+ -+static void perturb_latent_entropy(basic_block bb, tree rhs) -+{ -+ gimple_stmt_iterator gsi; -+ gimple assign; -+ tree addxorrol, temp; -+ -+ // 1. create temporary copy of latent_entropy -+ temp = create_tmp_var(unsigned_intDI_type_node, "temp_latent_entropy"); -+ add_referenced_var(temp); -+ -+ // 2. read... -+ temp = make_ssa_name(temp, NULL); -+ assign = gimple_build_assign(temp, latent_entropy_decl); -+ SSA_NAME_DEF_STMT(temp) = assign; -+ add_referenced_var(latent_entropy_decl); -+ gsi = gsi_after_labels(bb); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ -+ // 3. ...modify... -+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, get_op(NULL), unsigned_intDI_type_node, temp, rhs); -+ temp = make_ssa_name(SSA_NAME_VAR(temp), NULL); -+ assign = gimple_build_assign(temp, addxorrol); -+ SSA_NAME_DEF_STMT(temp) = assign; -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ -+ // 4. ...write latent_entropy -+ assign = gimple_build_assign(latent_entropy_decl, temp); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+} -+ -+static unsigned int execute_latent_entropy(void) -+{ -+ basic_block bb; -+ gimple assign; -+ gimple_stmt_iterator gsi; -+ tree local_entropy; -+ -+ if (!latent_entropy_decl) { -+#if BUILDING_GCC_VERSION >= 4009 -+ varpool_node *node; -+#else -+ struct varpool_node *node; -+#endif -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ -+ if (DECL_NAME_LENGTH(var) < sizeof("latent_entropy") - 1) -+ continue; -+ if (strcmp(IDENTIFIER_POINTER(DECL_NAME(var)), "latent_entropy")) -+ continue; -+ latent_entropy_decl = var; -+// debug_tree(var); -+ break; -+ } -+ if (!latent_entropy_decl) { -+// debug_tree(current_function_decl); -+ return 0; -+ } -+ } -+ -+//fprintf(stderr, "latent_entropy: %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl))); -+ -+ // 1. create local entropy variable -+ local_entropy = create_tmp_var(unsigned_intDI_type_node, "local_entropy"); -+ add_referenced_var(local_entropy); -+ mark_sym_for_renaming(local_entropy); -+ -+ // 2. initialize local entropy variable -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ gsi = gsi_start_bb(bb); -+ -+ assign = gimple_build_assign(local_entropy, build_int_cstu(unsigned_intDI_type_node, get_random_const())); -+// gimple_set_location(assign, loc); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+//debug_bb(bb); -+ gcc_assert(single_succ_p(bb)); -+ bb = single_succ(bb); -+ -+ // 3. instrument each BB with an operation on the local entropy variable -+ while (bb != EXIT_BLOCK_PTR_FOR_FN(cfun)) { -+ perturb_local_entropy(bb, local_entropy); -+//debug_bb(bb); -+ bb = bb->next_bb; -+ }; -+ -+ // 4. mix local entropy into the global entropy variable -+ gcc_assert(single_pred_p(EXIT_BLOCK_PTR_FOR_FN(cfun))); -+ perturb_latent_entropy(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun)), local_entropy); -+//debug_bb(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun))); -+ return 0; -+} -+ -+static void latent_entropy_start_unit(void *gcc_data, void *user_data) -+{ -+ tree latent_entropy_type; -+ -+ seed = get_random_seed(false); -+ -+ if (in_lto_p) -+ return; -+ -+ // extern volatile u64 latent_entropy -+ gcc_assert(TYPE_PRECISION(long_long_unsigned_type_node) == 64); -+ latent_entropy_type = build_qualified_type(long_long_unsigned_type_node, TYPE_QUALS(long_long_unsigned_type_node) | TYPE_QUAL_VOLATILE); -+ latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, get_identifier("latent_entropy"), latent_entropy_type); -+ -+ TREE_STATIC(latent_entropy_decl) = 1; -+ TREE_PUBLIC(latent_entropy_decl) = 1; -+ TREE_USED(latent_entropy_decl) = 1; -+ DECL_PRESERVE_P(latent_entropy_decl) = 1; -+ TREE_THIS_VOLATILE(latent_entropy_decl) = 1; -+ DECL_EXTERNAL(latent_entropy_decl) = 1; -+ DECL_ARTIFICIAL(latent_entropy_decl) = 1; -+ lang_hooks.decls.pushdecl(latent_entropy_decl); -+// DECL_ASSEMBLER_NAME(latent_entropy_decl); -+// varpool_finalize_decl(latent_entropy_decl); -+// varpool_mark_needed_node(latent_entropy_decl); -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data latent_entropy_pass_data = { -+#else -+static struct gimple_opt_pass latent_entropy_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "latent_entropy", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_latent_entropy, -+ .execute = execute_latent_entropy, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_gimple_leh | PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class latent_entropy_pass : public gimple_opt_pass { -+public: -+ latent_entropy_pass() : gimple_opt_pass(latent_entropy_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_latent_entropy(); } -+ virtual unsigned int execute(function *) { return execute_latent_entropy(); } -+#else -+ bool gate() { return gate_latent_entropy(); } -+ unsigned int execute() { return execute_latent_entropy(); } -+#endif -+}; -+} -+ -+static opt_pass *make_latent_entropy_pass(void) -+{ -+ return new latent_entropy_pass(); -+} -+#else -+static struct opt_pass *make_latent_entropy_pass(void) -+{ -+ return &latent_entropy_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info latent_entropy_pass_info; -+ -+ latent_entropy_pass_info.pass = make_latent_entropy_pass(); -+ latent_entropy_pass_info.reference_pass_name = "optimized"; -+ latent_entropy_pass_info.ref_pass_instance_number = 1; -+ latent_entropy_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ static const struct ggc_root_tab gt_ggc_r_gt_latent_entropy[] = { -+ { -+ .base = &latent_entropy_decl, -+ .nelt = 1, -+ .stride = sizeof(latent_entropy_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &latent_entropy_plugin_info); -+ register_callback(plugin_name, PLUGIN_START_UNIT, &latent_entropy_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_latent_entropy); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &latent_entropy_pass_info); -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/randomize_layout_plugin.c b/tools/gcc/randomize_layout_plugin.c -new file mode 100644 -index 0000000..06a039c ---- /dev/null -+++ b/tools/gcc/randomize_layout_plugin.c -@@ -0,0 +1,930 @@ -+/* -+ * Copyright 2014,2015 by Open Source Security, Inc., Brad Spengler <spender(a)grsecurity.net> -+ * and PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Usage: -+ * $ # for 4.5/4.6/C based 4.7 -+ * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c -+ * $ # for C++ based 4.7/4.8+ -+ * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c -+ * $ gcc -fplugin=./randomize_layout_plugin.so test.c -O2 -+ */ -+ -+#include "gcc-common.h" -+#include "randomize_layout_seed.h" -+ -+#if BUILDING_GCC_MAJOR < 4 || (BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR < 6) || \ -+ (BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR == 6 && BUILDING_GCC_PATCHLEVEL < 4) -+#error "The RANDSTRUCT plugin requires GCC 4.6.4 or newer." -+#endif -+ -+#define ORIG_TYPE_NAME(node) \ -+ (TYPE_NAME(TYPE_MAIN_VARIANT(node)) != NULL_TREE ? ((const unsigned char *)IDENTIFIER_POINTER(TYPE_NAME(TYPE_MAIN_VARIANT(node)))) : (const unsigned char *)"anonymous") -+ -+int plugin_is_GPL_compatible; -+ -+static int performance_mode; -+ -+static struct plugin_info randomize_layout_plugin_info = { -+ .version = "201402201816", -+ .help = "disable\t\t\tdo not activate plugin\n" -+ "performance-mode\tenable cacheline-aware layout randomization\n" -+}; -+ -+/* from old Linux dcache.h */ -+static inline unsigned long -+partial_name_hash(unsigned long c, unsigned long prevhash) -+{ -+ return (prevhash + (c << 4) + (c >> 4)) * 11; -+} -+static inline unsigned int -+name_hash(const unsigned char *name) -+{ -+ unsigned long hash = 0; -+ unsigned int len = strlen((const char *)name); -+ while (len--) -+ hash = partial_name_hash(*name++, hash); -+ return (unsigned int)hash; -+} -+ -+static tree handle_randomize_layout_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ -+ *no_add_attrs = true; -+ if (TREE_CODE(*node) == FUNCTION_DECL) { -+ error("%qE attribute does not apply to functions (%qF)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == PARM_DECL) { -+ error("%qE attribute does not apply to function parameters (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == VAR_DECL) { -+ error("%qE attribute does not apply to variables (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ type = *node; -+ } else { -+ gcc_assert(TREE_CODE(*node) == TYPE_DECL); -+ type = TREE_TYPE(*node); -+ } -+ -+ if (TREE_CODE(type) != RECORD_TYPE) { -+ error("%qE attribute used on %qT applies to struct types only", name, type); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) { -+ error("%qE attribute is already applied to the type %qT", name, type); -+ return NULL_TREE; -+ } -+ -+ *no_add_attrs = false; -+ -+ return NULL_TREE; -+} -+ -+/* set on complete types that we don't need to inspect further at all */ -+static tree handle_randomize_considered_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+/* -+ * set on types that we've performed a shuffle on, to prevent re-shuffling -+ * this does not preclude us from inspecting its fields for potential shuffles -+ */ -+static tree handle_randomize_performed_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+/* -+ * 64bit variant of Bob Jenkins' public domain PRNG -+ * 256 bits of internal state -+ */ -+ -+typedef unsigned long long u64; -+ -+typedef struct ranctx { u64 a; u64 b; u64 c; u64 d; } ranctx; -+ -+#define rot(x,k) (((x)<<(k))|((x)>>(64-(k)))) -+static u64 ranval(ranctx *x) { -+ u64 e = x->a - rot(x->b, 7); -+ x->a = x->b ^ rot(x->c, 13); -+ x->b = x->c + rot(x->d, 37); -+ x->c = x->d + e; -+ x->d = e + x->a; -+ return x->d; -+} -+ -+static void raninit(ranctx *x, u64 *seed) { -+ int i; -+ -+ x->a = seed[0]; -+ x->b = seed[1]; -+ x->c = seed[2]; -+ x->d = seed[3]; -+ -+ for (i=0; i < 30; ++i) -+ (void)ranval(x); -+} -+ -+static u64 shuffle_seed[4]; -+ -+struct partition_group { -+ tree tree_start; -+ unsigned long start; -+ unsigned long length; -+}; -+ -+static void partition_struct(tree *fields, unsigned long length, struct partition_group *size_groups, unsigned long *num_groups) -+{ -+ unsigned long i; -+ unsigned long accum_size = 0; -+ unsigned long accum_length = 0; -+ unsigned long group_idx = 0; -+ -+ gcc_assert(length < INT_MAX); -+ -+ memset(size_groups, 0, sizeof(struct partition_group) * length); -+ -+ for (i = 0; i < length; i++) { -+ if (size_groups[group_idx].tree_start == NULL_TREE) { -+ size_groups[group_idx].tree_start = fields[i]; -+ size_groups[group_idx].start = i; -+ accum_length = 0; -+ accum_size = 0; -+ } -+ accum_size += (unsigned long)int_size_in_bytes(TREE_TYPE(fields[i])); -+ accum_length++; -+ if (accum_size >= 64) { -+ size_groups[group_idx].length = accum_length; -+ accum_length = 0; -+ group_idx++; -+ } -+ } -+ -+ if (size_groups[group_idx].tree_start != NULL_TREE && -+ !size_groups[group_idx].length) { -+ size_groups[group_idx].length = accum_length; -+ group_idx++; -+ } -+ -+ *num_groups = group_idx; -+} -+ -+static void performance_shuffle(tree *newtree, unsigned long length, ranctx *prng_state) -+{ -+ unsigned long i, x; -+ struct partition_group size_group[length]; -+ unsigned long num_groups = 0; -+ unsigned long randnum; -+ -+ partition_struct(newtree, length, (struct partition_group *)&size_group, &num_groups); -+ for (i = num_groups - 1; i > 0; i--) { -+ struct partition_group tmp; -+ randnum = ranval(prng_state) % (i + 1); -+ tmp = size_group[i]; -+ size_group[i] = size_group[randnum]; -+ size_group[randnum] = tmp; -+ } -+ -+ for (x = 0; x < num_groups; x++) { -+ for (i = size_group[x].start + size_group[x].length - 1; i > size_group[x].start; i--) { -+ tree tmp; -+ if (DECL_BIT_FIELD_TYPE(newtree[i])) -+ continue; -+ randnum = ranval(prng_state) % (i + 1); -+ // we could handle this case differently if desired -+ if (DECL_BIT_FIELD_TYPE(newtree[randnum])) -+ continue; -+ tmp = newtree[i]; -+ newtree[i] = newtree[randnum]; -+ newtree[randnum] = tmp; -+ } -+ } -+} -+ -+static void full_shuffle(tree *newtree, unsigned long length, ranctx *prng_state) -+{ -+ unsigned long i, randnum; -+ -+ for (i = length - 1; i > 0; i--) { -+ tree tmp; -+ randnum = ranval(prng_state) % (i + 1); -+ tmp = newtree[i]; -+ newtree[i] = newtree[randnum]; -+ newtree[randnum] = tmp; -+ } -+} -+ -+/* modern in-place Fisher-Yates shuffle */ -+static void shuffle(const_tree type, tree *newtree, unsigned long length) -+{ -+ unsigned long i; -+ u64 seed[4]; -+ ranctx prng_state; -+ const unsigned char *structname; -+ -+ if (length == 0) -+ return; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ structname = ORIG_TYPE_NAME(type); -+ -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Shuffling struct %s %p\n", (const char *)structname, type); -+#ifdef __DEBUG_VERBOSE -+ debug_tree((tree)type); -+#endif -+#endif -+ -+ for (i = 0; i < 4; i++) { -+ seed[i] = shuffle_seed[i]; -+ seed[i] ^= name_hash(structname); -+ } -+ -+ raninit(&prng_state, (u64 *)&seed); -+ -+ if (performance_mode) -+ performance_shuffle(newtree, length, &prng_state); -+ else -+ full_shuffle(newtree, length, &prng_state); -+} -+ -+static bool is_flexible_array(const_tree field) -+{ -+ const_tree fieldtype; -+ const_tree typesize; -+ const_tree elemtype; -+ const_tree elemsize; -+ -+ fieldtype = TREE_TYPE(field); -+ typesize = TYPE_SIZE(fieldtype); -+ -+ if (TREE_CODE(fieldtype) != ARRAY_TYPE) -+ return false; -+ -+ elemtype = TREE_TYPE(fieldtype); -+ elemsize = TYPE_SIZE(elemtype); -+ -+ /* size of type is represented in bits */ -+ -+ if (typesize == NULL_TREE && TYPE_DOMAIN(fieldtype) != NULL_TREE && -+ TYPE_MAX_VALUE(TYPE_DOMAIN(fieldtype)) == NULL_TREE) -+ return true; -+ -+ if (typesize != NULL_TREE && -+ (TREE_CONSTANT(typesize) && (!TREE_INT_CST_LOW(typesize) || -+ TREE_INT_CST_LOW(typesize) == TREE_INT_CST_LOW(elemsize)))) -+ return true; -+ -+ return false; -+} -+ -+static int relayout_struct(tree type) -+{ -+ unsigned long num_fields = (unsigned long)list_length(TYPE_FIELDS(type)); -+ unsigned long shuffle_length = num_fields; -+ tree field; -+ tree newtree[num_fields]; -+ unsigned long i; -+ tree list; -+ tree variant; -+ tree main_variant; -+ expanded_location xloc; -+ -+ if (TYPE_FIELDS(type) == NULL_TREE) -+ return 0; -+ -+ if (num_fields < 2) -+ return 0; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ gcc_assert(num_fields < INT_MAX); -+ -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type)) || -+ lookup_attribute("no_randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type)))) -+ return 0; -+ -+ /* Workaround for 3rd-party VirtualBox source that we can't modify ourselves */ -+ if (!strcmp((const char *)ORIG_TYPE_NAME(type), "INTNETTRUNKFACTORY") || -+ !strcmp((const char *)ORIG_TYPE_NAME(type), "RAWPCIFACTORY")) -+ return 0; -+ -+ /* throw out any structs in uapi */ -+ xloc = expand_location(DECL_SOURCE_LOCATION(TYPE_FIELDS(type))); -+ -+ if (strstr(xloc.file, "/uapi/")) -+ error(G_("attempted to randomize userland API struct %s"), ORIG_TYPE_NAME(type)); -+ -+ for (field = TYPE_FIELDS(type), i = 0; field; field = TREE_CHAIN(field), i++) { -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ newtree[i] = field; -+ } -+ -+ /* -+ * enforce that we don't randomize the layout of the last -+ * element of a struct if it's a 0 or 1-length array -+ * or a proper flexible array -+ */ -+ if (is_flexible_array(newtree[num_fields - 1])) -+ shuffle_length--; -+ -+ shuffle(type, (tree *)newtree, shuffle_length); -+ -+ /* -+ * set up a bogus anonymous struct field designed to error out on unnamed struct initializers -+ * as gcc provides no other way to detect such code -+ */ -+ list = make_node(FIELD_DECL); -+ TREE_CHAIN(list) = newtree[0]; -+ TREE_TYPE(list) = void_type_node; -+ DECL_SIZE(list) = bitsize_zero_node; -+ DECL_NONADDRESSABLE_P(list) = 1; -+ DECL_FIELD_BIT_OFFSET(list) = bitsize_zero_node; -+ DECL_SIZE_UNIT(list) = size_zero_node; -+ DECL_FIELD_OFFSET(list) = size_zero_node; -+ DECL_CONTEXT(list) = type; -+ // to satisfy the constify plugin -+ TREE_READONLY(list) = 1; -+ -+ for (i = 0; i < num_fields - 1; i++) -+ TREE_CHAIN(newtree[i]) = newtree[i+1]; -+ TREE_CHAIN(newtree[num_fields - 1]) = NULL_TREE; -+ -+ main_variant = TYPE_MAIN_VARIANT(type); -+ for (variant = main_variant; variant; variant = TYPE_NEXT_VARIANT(variant)) { -+ TYPE_FIELDS(variant) = list; -+ TYPE_ATTRIBUTES(variant) = copy_list(TYPE_ATTRIBUTES(variant)); -+ TYPE_ATTRIBUTES(variant) = tree_cons(get_identifier("randomize_performed"), NULL_TREE, TYPE_ATTRIBUTES(variant)); -+ } -+ -+ /* -+ * force a re-layout of the main variant -+ * the TYPE_SIZE for all variants will be recomputed -+ * by finalize_type_size() -+ */ -+ TYPE_SIZE(main_variant) = NULL_TREE; -+ layout_type(main_variant); -+ gcc_assert(TYPE_SIZE(main_variant) != NULL_TREE); -+ -+ return 1; -+} -+ -+/* from constify plugin */ -+static const_tree get_field_type(const_tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+/* from constify plugin */ -+static bool is_fptr(const_tree fieldtype) -+{ -+ if (TREE_CODE(fieldtype) != POINTER_TYPE) -+ return false; -+ -+ return TREE_CODE(TREE_TYPE(fieldtype)) == FUNCTION_TYPE; -+} -+ -+/* derived from constify plugin */ -+static int is_pure_ops_struct(const_tree node) -+{ -+ const_tree field; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) { -+ const_tree fieldtype = get_field_type(field); -+ enum tree_code code = TREE_CODE(fieldtype); -+ -+ if (node == fieldtype) -+ continue; -+ -+ if (!is_fptr(fieldtype)) -+ return 0; -+ -+ if (code != RECORD_TYPE && code != UNION_TYPE) -+ continue; -+ -+ if (!is_pure_ops_struct(fieldtype)) -+ return 0; -+ } -+ -+ return 1; -+} -+ -+static void randomize_type(tree type) -+{ -+ tree variant; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type))) -+ return; -+ -+ if (lookup_attribute("randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type))) || is_pure_ops_struct(type)) -+ relayout_struct(type); -+ -+ for (variant = TYPE_MAIN_VARIANT(type); variant; variant = TYPE_NEXT_VARIANT(variant)) { -+ TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+ TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("randomize_considered"), NULL_TREE, TYPE_ATTRIBUTES(type)); -+ } -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Marking randomize_considered on struct %s\n", ORIG_TYPE_NAME(type)); -+#ifdef __DEBUG_VERBOSE -+ debug_tree(type); -+#endif -+#endif -+} -+ -+static void randomize_layout_finish_decl(void *event_data, void *data) -+{ -+ tree decl = (tree)event_data; -+ tree type; -+ -+ if (decl == NULL_TREE || decl == error_mark_node) -+ return; -+ -+ type = TREE_TYPE(decl); -+ -+ if (TREE_CODE(decl) != VAR_DECL) -+ return; -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ return; -+ -+ if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type))) -+ return; -+ -+ relayout_decl(decl); -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+ if (TREE_CODE(type) != RECORD_TYPE) -+ return; -+ -+ if (TYPE_FIELDS(type) == NULL_TREE) -+ return; -+ -+ if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type))) -+ return; -+ -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Calling randomize_type on %s\n", ORIG_TYPE_NAME(type)); -+#endif -+#ifdef __DEBUG_VERBOSE -+ debug_tree(type); -+#endif -+ randomize_type(type); -+ -+ return; -+} -+ -+static struct attribute_spec randomize_layout_attr = { -+ .name = "randomize_layout", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_layout_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec no_randomize_layout_attr = { -+ .name = "no_randomize_layout", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_layout_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec randomize_considered_attr = { -+ .name = "randomize_considered", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_considered_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static struct attribute_spec randomize_performed_attr = { -+ .name = "randomize_performed", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_performed_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&randomize_layout_attr); -+ register_attribute(&no_randomize_layout_attr); -+ register_attribute(&randomize_considered_attr); -+ register_attribute(&randomize_performed_attr); -+} -+ -+static void check_bad_casts_in_constructor(tree var, tree init) -+{ -+ unsigned HOST_WIDE_INT idx; -+ tree field, val; -+ tree field_type, val_type; -+ -+ FOR_EACH_CONSTRUCTOR_ELT(CONSTRUCTOR_ELTS(init), idx, field, val) { -+ if (TREE_CODE(val) == CONSTRUCTOR) { -+ check_bad_casts_in_constructor(var, val); -+ continue; -+ } -+ -+ /* pipacs' plugin creates franken-arrays that differ from those produced by -+ normal code which all have valid 'field' trees. work around this */ -+ if (field == NULL_TREE) -+ continue; -+ field_type = TREE_TYPE(field); -+ val_type = TREE_TYPE(val); -+ -+ if (TREE_CODE(field_type) != POINTER_TYPE || TREE_CODE(val_type) != POINTER_TYPE) -+ continue; -+ -+ if (field_type == val_type) -+ continue; -+ -+ field_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(field_type)))); -+ val_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(val_type)))); -+ -+ if (field_type == void_type_node) -+ continue; -+ if (field_type == val_type) -+ continue; -+ if (TREE_CODE(val_type) != RECORD_TYPE) -+ continue; -+ -+ if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(val_type))) -+ continue; -+ inform(DECL_SOURCE_LOCATION(var), "found mismatched struct pointer types: %qT and %qT\n", TYPE_MAIN_VARIANT(field_type), TYPE_MAIN_VARIANT(val_type)); -+ } -+} -+ -+/* derived from the constify plugin */ -+static void check_global_variables(void *event_data, void *data) -+{ -+ struct varpool_node *node; -+ tree init; -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ init = DECL_INITIAL(var); -+ if (init == NULL_TREE) -+ continue; -+ -+ if (TREE_CODE(init) != CONSTRUCTOR) -+ continue; -+ -+ check_bad_casts_in_constructor(var, init); -+ } -+} -+ -+static bool dominated_by_is_err(const_tree rhs, basic_block bb) -+{ -+ basic_block dom; -+ gimple dom_stmt; -+ gimple call_stmt; -+ const_tree dom_lhs; -+ const_tree poss_is_err_cond; -+ const_tree poss_is_err_func; -+ const_tree is_err_arg; -+ -+ dom = get_immediate_dominator(CDI_DOMINATORS, bb); -+ if (!dom) -+ return false; -+ -+ dom_stmt = last_stmt(dom); -+ if (!dom_stmt) -+ return false; -+ -+ if (gimple_code(dom_stmt) != GIMPLE_COND) -+ return false; -+ -+ if (gimple_cond_code(dom_stmt) != NE_EXPR) -+ return false; -+ -+ if (!integer_zerop(gimple_cond_rhs(dom_stmt))) -+ return false; -+ -+ poss_is_err_cond = gimple_cond_lhs(dom_stmt); -+ -+ if (TREE_CODE(poss_is_err_cond) != SSA_NAME) -+ return false; -+ -+ call_stmt = SSA_NAME_DEF_STMT(poss_is_err_cond); -+ -+ if (gimple_code(call_stmt) != GIMPLE_CALL) -+ return false; -+ -+ dom_lhs = gimple_get_lhs(call_stmt); -+ poss_is_err_func = gimple_call_fndecl(call_stmt); -+ if (!poss_is_err_func) -+ return false; -+ if (dom_lhs != poss_is_err_cond) -+ return false; -+ if (strcmp(DECL_NAME_POINTER(poss_is_err_func), "IS_ERR")) -+ return false; -+ -+ is_err_arg = gimple_call_arg(call_stmt, 0); -+ if (!is_err_arg) -+ return false; -+ -+ if (is_err_arg != rhs) -+ return false; -+ -+ return true; -+} -+ -+static void handle_local_var_initializers(void) -+{ -+ tree var; -+ unsigned int i; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree init = DECL_INITIAL(var); -+ if (!init) -+ continue; -+ if (TREE_CODE(init) != CONSTRUCTOR) -+ continue; -+ check_bad_casts_in_constructor(var, init); -+ } -+} -+ -+/* -+ * iterate over all statements to find "bad" casts: -+ * those where the address of the start of a structure is cast -+ * to a pointer of a structure of a different type, or a -+ * structure pointer type is cast to a different structure pointer type -+ */ -+static unsigned int find_bad_casts(void) -+{ -+ basic_block bb; -+ -+ handle_local_var_initializers(); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt; -+ const_tree lhs; -+ const_tree lhs_type; -+ const_tree rhs1; -+ const_tree rhs_type; -+ const_tree ptr_lhs_type; -+ const_tree ptr_rhs_type; -+ const_tree op0; -+ const_tree op0_type; -+ enum tree_code rhs_code; -+ -+ stmt = gsi_stmt(gsi); -+ -+#ifdef __DEBUG_PLUGIN -+#ifdef __DEBUG_VERBOSE -+ debug_gimple_stmt(stmt); -+ debug_tree(gimple_get_lhs(stmt)); -+#endif -+#endif -+ -+ if (gimple_code(stmt) != GIMPLE_ASSIGN) -+ continue; -+ -+#ifdef __DEBUG_PLUGIN -+#ifdef __DEBUG_VERBOSE -+ debug_tree(gimple_assign_rhs1(stmt)); -+#endif -+#endif -+ -+ rhs_code = gimple_assign_rhs_code(stmt); -+ -+ if (rhs_code != ADDR_EXPR && rhs_code != SSA_NAME) -+ continue; -+ -+ lhs = gimple_get_lhs(stmt); -+ lhs_type = TREE_TYPE(lhs); -+ rhs1 = gimple_assign_rhs1(stmt); -+ rhs_type = TREE_TYPE(rhs1); -+ -+ if (TREE_CODE(rhs_type) != POINTER_TYPE || -+ TREE_CODE(lhs_type) != POINTER_TYPE) -+ continue; -+ -+ ptr_lhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(lhs_type)))); -+ ptr_rhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(rhs_type)))); -+ -+ if (ptr_rhs_type == void_type_node) -+ continue; -+ -+ if (ptr_lhs_type == void_type_node) -+ continue; -+ -+ if (dominated_by_is_err(rhs1, bb)) -+ continue; -+ -+ if (TREE_CODE(ptr_rhs_type) != RECORD_TYPE) { -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_lhs_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type); -+ continue; -+ } -+ -+ if (rhs_code == SSA_NAME && ptr_lhs_type == ptr_rhs_type) -+ continue; -+ -+ if (rhs_code == ADDR_EXPR) { -+ op0 = TREE_OPERAND(rhs1, 0); -+ -+ if (op0 == NULL_TREE) -+ continue; -+ -+ if (TREE_CODE(op0) != VAR_DECL) -+ continue; -+ -+ op0_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(op0)))); -+ if (op0_type == ptr_lhs_type) -+ continue; -+ -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(op0_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, op0_type); -+ } else { -+ const_tree ssa_name_var = SSA_NAME_VAR(rhs1); -+ /* skip bogus type casts introduced by container_of */ -+ if (ssa_name_var != NULL_TREE && DECL_NAME(ssa_name_var) && -+ !strcmp((const char *)DECL_NAME_POINTER(ssa_name_var), "__mptr")) -+ continue; -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_rhs_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type); -+ } -+ -+ } -+ } -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data randomize_layout_bad_cast_data = { -+#else -+static struct gimple_opt_pass randomize_layout_bad_cast = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "randomize_layout_bad_cast", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = find_bad_casts, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class randomize_layout_bad_cast : public gimple_opt_pass { -+public: -+ randomize_layout_bad_cast() : gimple_opt_pass(randomize_layout_bad_cast_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return find_bad_casts(); } -+#else -+ unsigned int execute() { return find_bad_casts(); } -+#endif -+}; -+} -+#endif -+ -+static struct opt_pass *make_randomize_layout_bad_cast(void) -+{ -+#if BUILDING_GCC_VERSION >= 4009 -+ return new randomize_layout_bad_cast(); -+#else -+ return &randomize_layout_bad_cast.pass; -+#endif -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ int obtained_seed = 0; -+ struct register_pass_info randomize_layout_bad_cast_info; -+ -+ randomize_layout_bad_cast_info.pass = make_randomize_layout_bad_cast(); -+ randomize_layout_bad_cast_info.reference_pass_name = "ssa"; -+ randomize_layout_bad_cast_info.ref_pass_instance_number = 1; -+ randomize_layout_bad_cast_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only, not %s"), plugin_name, lang_hooks.name); -+ enable = false; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "disable")) { -+ enable = false; -+ continue; -+ } -+ if (!strcmp(argv[i].key, "performance-mode")) { -+ performance_mode = 1; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (strlen(randstruct_seed) != 64) { -+ error(G_("invalid seed value supplied for %s plugin"), plugin_name); -+ return 1; -+ } -+ obtained_seed = sscanf(randstruct_seed, "%016llx%016llx%016llx%016llx", -+ &shuffle_seed[0], &shuffle_seed[1], &shuffle_seed[2], &shuffle_seed[3]); -+ if (obtained_seed != 4) { -+ error(G_("Invalid seed supplied for %s plugin"), plugin_name); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &randomize_layout_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &randomize_layout_bad_cast_info); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ register_callback(plugin_name, PLUGIN_FINISH_DECL, randomize_layout_finish_decl, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/size_overflow_plugin/.gitignore b/tools/gcc/size_overflow_plugin/.gitignore -new file mode 100644 -index 0000000..1f0214f ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/.gitignore -@@ -0,0 +1,3 @@ -+randomize_layout_seed.h -+size_overflow_hash.h -+size_overflow_hash_aux.h -diff --git a/tools/gcc/size_overflow_plugin/Makefile b/tools/gcc/size_overflow_plugin/Makefile -new file mode 100644 -index 0000000..1ae2ed5 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/Makefile -@@ -0,0 +1,20 @@ -+$(HOSTLIBS)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so -+always := $($(HOSTLIBS)-y) -+ -+size_overflow_plugin-objs := $(patsubst $(srctree)/$(src)/%.c,%.o,$(wildcard $(srctree)/$(src)/*.c)) -+ -+$(patsubst $(srctree)/$(src)/%.c,$(obj)/%.o,$(wildcard $(srctree)/$(src)/*.c)): $(objtree)/$(obj)/size_overflow_hash.h $(objtree)/$(obj)/size_overflow_hash_aux.h -+ -+quiet_cmd_build_size_overflow_hash = GENHASH $@ -+ cmd_build_size_overflow_hash = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash -d $< -o $@ -+$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE -+ $(call if_changed,build_size_overflow_hash) -+ -+quiet_cmd_build_size_overflow_hash_aux = GENHASH $@ -+ cmd_build_size_overflow_hash_aux = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash_aux -d $< -o $@ -+$(objtree)/$(obj)/size_overflow_hash_aux.h: $(src)/size_overflow_hash_aux.data FORCE -+ $(call if_changed,build_size_overflow_hash_aux) -+ -+targets += size_overflow_hash.h size_overflow_hash_aux.h -diff --git a/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh -new file mode 100644 -index 0000000..12b1e3b ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh -@@ -0,0 +1,102 @@ -+#!/bin/bash -+ -+# This script generates the hash table (size_overflow_hash.h) for the size_overflow gcc plugin (size_overflow_plugin.c). -+ -+header1="size_overflow_hash.h" -+database="size_overflow_hash.data" -+n=65536 -+hashtable_name="size_overflow_hash" -+ -+usage() { -+cat <<EOF -+usage: $0 options -+OPTIONS: -+ -h|--help help -+ -o header file -+ -d database file -+ -n hash array size -+ -s name of the hash table -+EOF -+ return 0 -+} -+ -+while true -+do -+ case "$1" in -+ -h|--help) usage && exit 0;; -+ -n) n=$2; shift 2;; -+ -o) header1="$2"; shift 2;; -+ -d) database="$2"; shift 2;; -+ -s) hashtable_name="$2"; shift 2;; -+ --) shift 1; break ;; -+ *) break ;; -+ esac -+done -+ -+create_defines() { -+ for i in `seq 0 31` -+ do -+ echo -e "#define PARAM"$i" (1U << "$i")" >> "$header1" -+ done -+ echo >> "$header1" -+} -+ -+create_structs() { -+ rm -f "$header1" -+ -+ create_defines -+ -+ cat "$database" | while read data -+ do -+ data_array=($data) -+ struct_hash_name="${data_array[0]}" -+ funcn="${data_array[1]}" -+ params="${data_array[2]}" -+ next="${data_array[4]}" -+ -+ echo "const struct size_overflow_hash $struct_hash_name = {" >> "$header1" -+ -+ echo -e "\t.next\t= $next,\n\t.name\t= \"$funcn\"," >> "$header1" -+ echo -en "\t.param\t= " >> "$header1" -+ line= -+ for param_num in ${params//-/ }; -+ do -+ line="${line}PARAM"$param_num"|" -+ done -+ -+ echo -e "${line%?},\n};\n" >> "$header1" -+ done -+} -+ -+create_headers() { -+ echo "const struct size_overflow_hash * const $hashtable_name[$n] = {" >> "$header1" -+} -+ -+create_array_elements() { -+ index=0 -+ grep -v "nohasharray" $database | sort -n -k 4 | while read data -+ do -+ data_array=($data) -+ i="${data_array[3]}" -+ hash="${data_array[0]}" -+ while [[ $index -lt $i ]] -+ do -+ echo -e "\t["$index"]\t= NULL," >> "$header1" -+ index=$(($index + 1)) -+ done -+ index=$(($index + 1)) -+ echo -e "\t["$i"]\t= &"$hash"," >> "$header1" -+ done -+ echo '};' >> $header1 -+} -+ -+size_overflow_plugin_dir=`dirname $header1` -+if [ "$size_overflow_plugin_dir" != '.' ]; then -+ mkdir -p "$size_overflow_plugin_dir" 2> /dev/null -+fi -+ -+create_structs -+create_headers -+create_array_elements -+ -+exit 0 -diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c -new file mode 100644 -index 0000000..7b7051a ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c -@@ -0,0 +1,411 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+// Data for the size_overflow asm stmt -+struct asm_data { -+ // call or return stmt with our attributes -+ gimple target_stmt; -+ // def_stmt of the marked arg -+ gimple def_stmt; -+ // size_overflow asm rhs -+ tree input; -+ // the output (lhs) of the size_overflow asm is the marked arg -+ tree output; -+ // marked arg number (0 for return values) -+ unsigned int argnum; -+ // intentional mark type -+ enum intentional_mark intentional_mark; -+}; -+ -+static void __unused print_asm_data(struct asm_data *asm_data) -+{ -+ fprintf(stderr, "-----------------------\nprint_asm_data:\n"); -+ -+ fprintf(stderr, "def_stmt\n"); -+ debug_gimple_stmt(asm_data->def_stmt); -+ fprintf(stderr, "target_stmt\n"); -+ debug_gimple_stmt(asm_data->target_stmt); -+ fprintf(stderr, "output\n"); -+ debug_tree(asm_data->output); -+ fprintf(stderr, "input\n"); -+ debug_tree(asm_data->input); -+} -+ -+static const char *convert_mark_to_str(enum intentional_mark mark) -+{ -+ switch (mark) { -+ case MARK_NO: -+ return OK_ASM_STR; -+ case MARK_YES: -+ return YES_ASM_STR; -+ case MARK_END_INTENTIONAL: -+ return END_INTENTIONAL_ASM_STR; -+ case MARK_TURN_OFF: -+ return TURN_OFF_ASM_STR; -+ } -+ gcc_unreachable(); -+} -+ -+static char *create_asm_comment(struct asm_data *asm_data, const char *mark_str) -+{ -+ const char *fn_name; -+ char *asm_comment; -+ unsigned int len; -+ -+ if (gimple_code(asm_data->target_stmt) == GIMPLE_RETURN) -+ fn_name = DECL_NAME_POINTER(current_function_decl); -+ else -+ fn_name = DECL_NAME_POINTER(gimple_call_fndecl(asm_data->target_stmt)); -+ -+ len = asprintf(&asm_comment, "%s %s %u", mark_str, fn_name, asm_data->argnum); -+ gcc_assert(len > 0); -+ -+ return asm_comment; -+} -+ -+#if BUILDING_GCC_VERSION <= 4007 -+static VEC(tree, gc) *create_asm_io_list(tree string, tree io) -+#else -+static vec<tree, va_gc> *create_asm_io_list(tree string, tree io) -+#endif -+{ -+ tree list; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *vec_list = NULL; -+#else -+ vec<tree, va_gc> *vec_list = NULL; -+#endif -+ -+ list = build_tree_list(NULL_TREE, string); -+ list = chainon(NULL_TREE, build_tree_list(list, io)); -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, gc, vec_list, list); -+#else -+ vec_safe_push(vec_list, list); -+#endif -+ return vec_list; -+} -+ -+static void create_so_asm_stmt(struct asm_data *asm_data) -+{ -+ char *asm_comment; -+ const char *mark_str; -+ gimple stmt; -+ gasm *asm_stmt; -+ gimple_stmt_iterator gsi; -+ tree str_input, str_output; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *input = NULL, *output = NULL; -+#else -+ vec<tree, va_gc> *input = NULL, *output = NULL; -+#endif -+ -+ mark_str = convert_mark_to_str(asm_data->intentional_mark); -+ asm_comment = create_asm_comment(asm_data, mark_str); -+ -+ str_input = build_string(2, "0"); -+ input = create_asm_io_list(str_input, asm_data->input); -+ str_output = build_string(4, "=rm"); -+ output = create_asm_io_list(str_output, asm_data->output); -+ -+ stmt = gimple_build_asm_vec(asm_comment, input, output, NULL, NULL); -+ asm_stmt = as_a_gasm(stmt); -+ gimple_asm_set_volatile(asm_stmt, true); -+ -+ gsi = gsi_for_stmt(asm_data->def_stmt); -+ gsi_insert_after(&gsi, asm_stmt, GSI_NEW_STMT); -+ -+ SSA_NAME_DEF_STMT(asm_data->output) = asm_stmt; -+ -+ free(asm_comment); -+} -+ -+static void check_size_overflow_asm(struct asm_data *asm_data) -+{ -+ enum intentional_mark old_intentional_mark = get_so_asm_type(asm_data->def_stmt); -+ -+ if (old_intentional_mark == asm_data->intentional_mark) -+ return; -+ if (asm_data->intentional_mark == MARK_NO) -+ return; -+ -+ print_intentional_mark(old_intentional_mark); -+ print_intentional_mark(asm_data->intentional_mark); -+ gcc_unreachable(); -+} -+ -+static tree get_so_asm_output(struct asm_data *asm_data) -+{ -+ gimple stmt = asm_data->target_stmt; -+ unsigned int argnum = asm_data->argnum; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ return gimple_return_retval(as_a_greturn(stmt)); -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(gimple_call_num_args(stmt) >= argnum); -+ return gimple_call_arg(stmt, argnum - 1); -+ default: -+ debug_gimple_stmt(stmt); -+ gcc_unreachable(); -+ } -+} -+ -+static tree get_so_asm_input(struct asm_data *asm_data) -+{ -+ gassign *assign; -+ tree output_type, new_var; -+ gimple_stmt_iterator gsi; -+ -+ output_type = TREE_TYPE(asm_data->output); -+ new_var = create_new_var(output_type); -+ -+ assign = gimple_build_assign(new_var, asm_data->output); -+ gimple_assign_set_lhs(assign, make_ssa_name(new_var, assign)); -+ -+ gsi = gsi_for_stmt(asm_data->target_stmt); -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ -+ asm_data->def_stmt = assign; -+ -+ new_var = create_new_var(output_type); -+ asm_data->output = make_ssa_name(new_var, asm_data->target_stmt); -+ -+ return gimple_assign_lhs(assign); -+} -+ -+static void set_so_asm_input_target_stmt(struct asm_data *asm_data) -+{ -+ switch (gimple_code(asm_data->target_stmt)) { -+ case GIMPLE_CALL: -+ gimple_call_set_arg(asm_data->target_stmt, asm_data->argnum - 1, asm_data->output); -+ break; -+ case GIMPLE_RETURN: -+ gimple_return_set_retval(as_a_greturn(asm_data->target_stmt), asm_data->output); -+ break; -+ default: -+ debug_gimple_stmt(asm_data->target_stmt); -+ gcc_unreachable(); -+ } -+ -+ update_stmt(asm_data->def_stmt); -+} -+ -+/* This is the gimple part of searching for a missing size_overflow attribute. If the intentional_overflow attribute type -+ * is of the right kind create the appropriate size_overflow asm stmts: -+ * __asm__("# size_overflow MARK_END_INTENTIONAL" : =rm" D.3344_8 : "0" cicus.4_16); -+ * __asm__("# size_overflow MARK_NO" : =rm" cicus.4_16 : "0" size_1(D)); -+ */ -+static void insert_size_overflow_asm(gimple stmt, unsigned int argnum, enum intentional_mark intentional_mark) -+{ -+ struct asm_data asm_data; -+ -+ asm_data.target_stmt = stmt; -+ asm_data.argnum = argnum; -+ asm_data.intentional_mark = intentional_mark; -+ -+ asm_data.output = get_so_asm_output(&asm_data); -+ if (asm_data.output == NULL_TREE) -+ return; -+ if (is_gimple_constant(asm_data.output)) -+ return; -+ if (skip_types(asm_data.output)) -+ return; -+ -+ asm_data.def_stmt = get_def_stmt(asm_data.output); -+ if (is_size_overflow_asm(asm_data.def_stmt)) { -+ check_size_overflow_asm(&asm_data); -+ return; -+ } -+ -+ asm_data.input = get_so_asm_input(&asm_data); -+ -+ create_so_asm_stmt(&asm_data); -+ set_so_asm_input_target_stmt(&asm_data); -+ -+ update_stmt(asm_data.def_stmt); -+ update_stmt(asm_data.target_stmt); -+} -+ -+// Determine the correct arg index and arg and insert the asm stmt to mark the stmt. -+static void insert_so_asm_by_so_attr(gimple stmt, unsigned int orig_argnum) -+{ -+ if (orig_argnum == 0 && gimple_code(stmt) == GIMPLE_RETURN) { -+ insert_size_overflow_asm(stmt, 0, MARK_NO); -+ return; -+ } -+ -+ if (orig_argnum != 0 && gimple_code(stmt) == GIMPLE_CALL) -+ insert_size_overflow_asm(stmt, orig_argnum, MARK_NO); -+} -+ -+// If a function arg or the return value is marked by the size_overflow attribute then set its index in the array. -+static void set_argnum_attribute(const_tree attr, bool *argnums) -+{ -+ unsigned int argnum; -+ tree attr_value; -+ -+ gcc_assert(attr); -+ for (attr_value = TREE_VALUE(attr); attr_value; attr_value = TREE_CHAIN(attr_value)) { -+ argnum = (unsigned int)tree_to_uhwi(TREE_VALUE(attr_value)); -+ argnums[argnum] = true; -+ } -+} -+ -+// Check whether the arguments are marked by the size_overflow attribute. -+static void search_interesting_so_args(tree fndecl, bool *argnums) -+{ -+ const_tree attr; -+ -+ attr = get_attribute("size_overflow", fndecl); -+ if (attr) -+ set_argnum_attribute(attr, argnums); -+} -+ -+static enum intentional_mark handle_intentional_attr(gimple stmt, unsigned int argnum) -+{ -+ enum intentional_mark mark; -+ -+ mark = check_intentional_attribute(stmt, argnum); -+ if (mark == MARK_NO) -+ return MARK_NO; -+ insert_size_overflow_asm(stmt, argnum, mark); -+ return mark; -+} -+ -+static void handle_size_overflow_attr_ret(greturn *stmt) -+{ -+ enum intentional_mark mark; -+ bool orig_argnums[MAX_PARAM + 1] = {false}; -+ -+ search_interesting_so_args(get_orig_fndecl(current_function_decl), (bool *) &orig_argnums); -+ -+ mark = handle_intentional_attr(stmt, 0); -+ if (mark == MARK_NO && orig_argnums[0]) -+ insert_so_asm_by_so_attr(stmt, 0); -+} -+ -+// If the argument(s) of the callee function are marked by an attribute then mark the call stmt with an asm stmt -+static void handle_size_overflow_attr_call(gcall *stmt) -+{ -+ tree fndecl; -+ unsigned int argnum; -+ bool orig_argnums[MAX_PARAM + 1] = {false}; -+ -+ fndecl = get_interesting_orig_fndecl_from_stmt(stmt); -+ if (fndecl == NULL_TREE) -+ return; -+ if (DECL_BUILT_IN(fndecl)) -+ return; -+ -+ search_interesting_so_args(fndecl, (bool *) &orig_argnums); -+ -+ for (argnum = 1; argnum <= gimple_call_num_args(stmt); argnum++) { -+ enum intentional_mark mark = handle_intentional_attr(stmt, argnum); -+ -+ if (mark == MARK_NO && orig_argnums[argnum]) -+ insert_so_asm_by_so_attr(stmt, argnum); -+ } -+} -+ -+// Iterate over all the stmts and search for call stmts and mark them if they have size_overflow attribute -+static unsigned int search_interesting_functions(void) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (is_gimple_call(stmt)) -+ handle_size_overflow_attr_call(as_a_gcall(stmt)); -+ else if (gimple_code(stmt) == GIMPLE_RETURN) -+ handle_size_overflow_attr_ret(as_a_greturn(stmt)); -+ } -+ } -+ return 0; -+} -+ -+/* -+ * A lot of functions get inlined before the ipa passes so after the build_ssa gimple pass -+ * this pass inserts asm stmts to mark the interesting args -+ * that the ipa pass will detect and insert the size overflow checks for. -+ */ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data insert_size_overflow_asm_pass_data = { -+#else -+static struct gimple_opt_pass insert_size_overflow_asm_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "insert_size_overflow_asm", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = search_interesting_functions, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class insert_size_overflow_asm_pass : public gimple_opt_pass { -+public: -+ insert_size_overflow_asm_pass() : gimple_opt_pass(insert_size_overflow_asm_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return search_interesting_functions(); } -+#else -+ unsigned int execute() { return search_interesting_functions(); } -+#endif -+}; -+} -+ -+opt_pass *make_insert_size_overflow_asm_pass(void) -+{ -+ return new insert_size_overflow_asm_pass(); -+} -+#else -+struct opt_pass *make_insert_size_overflow_asm_pass(void) -+{ -+ return &insert_size_overflow_asm_pass.pass; -+} -+#endif -diff --git a/tools/gcc/size_overflow_plugin/intentional_overflow.c b/tools/gcc/size_overflow_plugin/intentional_overflow.c -new file mode 100644 -index 0000000..2af88a3 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/intentional_overflow.c -@@ -0,0 +1,958 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static enum intentional_mark walk_use_def(gimple_set *visited, const_tree lhs); -+ -+static const char *get_asm_string(const gasm *stmt) -+{ -+ if (stmt) -+ return gimple_asm_string(stmt); -+ return NULL; -+} -+ -+tree get_size_overflow_asm_input(const gasm *stmt) -+{ -+ gcc_assert(gimple_asm_ninputs(stmt) != 0); -+ return TREE_VALUE(gimple_asm_input_op(stmt, 0)); -+} -+ -+bool is_size_overflow_insert_check_asm(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, OK_ASM_STR, sizeof(OK_ASM_STR) - 1); -+} -+ -+bool is_size_overflow_asm(const_gimple stmt) -+{ -+ const char *str; -+ -+ if (!stmt) -+ return false; -+ if (gimple_code(stmt) != GIMPLE_ASM) -+ return false; -+ -+ str = get_asm_string(as_a_const_gasm(stmt)); -+ if (!str) -+ return false; -+ return !strncmp(str, SO_ASM_STR, sizeof(SO_ASM_STR) - 1); -+} -+ -+static bool is_size_overflow_intentional_asm_turn_off(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, TURN_OFF_ASM_STR, sizeof(TURN_OFF_ASM_STR) - 1); -+} -+ -+static bool is_size_overflow_intentional_asm_end(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, END_INTENTIONAL_ASM_STR, sizeof(END_INTENTIONAL_ASM_STR) - 1); -+} -+ -+/* Get the param of the intentional_overflow attribute. -+ * * 0: MARK_END_INTENTIONAL -+ * * 1..MAX_PARAM: MARK_YES -+ * * -1: MARK_TURN_OFF -+ */ -+static tree get_attribute_param(const_tree decl) -+{ -+ const_tree attr; -+ -+ if (decl == NULL_TREE) -+ return NULL_TREE; -+ -+ attr = get_attribute("intentional_overflow", decl); -+ if (attr) -+ return TREE_VALUE(attr); -+ return NULL_TREE; -+} -+ -+// MARK_TURN_OFF -+static bool is_turn_off_intentional_attr(const_tree decl) -+{ -+ const_tree param_head; -+ -+ param_head = get_attribute_param(decl); -+ if (param_head == NULL_TREE) -+ return false; -+ -+ if (tree_to_shwi(TREE_VALUE(param_head)) == -1) -+ return true; -+ return false; -+} -+ -+// MARK_END_INTENTIONAL -+static bool is_end_intentional_intentional_attr(const_tree decl) -+{ -+ const_tree param_head; -+ -+ param_head = get_attribute_param(decl); -+ if (param_head == NULL_TREE) -+ return false; -+ -+ if (tree_to_shwi(TREE_VALUE(param_head)) == 0) -+ return true; -+ return false; -+} -+ -+// MARK_YES -+static bool is_yes_intentional_attr(const_tree decl, unsigned int argnum) -+{ -+ tree param, param_head; -+ -+ if (argnum == 0) -+ return false; -+ -+ param_head = get_attribute_param(decl); -+ for (param = param_head; param; param = TREE_CHAIN(param)) { -+ int argval = tree_to_shwi(TREE_VALUE(param)); -+ -+ if (argval <= 0) -+ continue; -+ if (argnum == (unsigned int)argval) -+ return true; -+ } -+ return false; -+} -+ -+static void print_missing_intentional(enum intentional_mark callee_attr, enum intentional_mark caller_attr, const_tree decl, unsigned int argnum) -+{ -+ const struct size_overflow_hash *hash; -+ location_t loc; -+ -+ if (caller_attr == MARK_NO || caller_attr == MARK_END_INTENTIONAL || caller_attr == MARK_TURN_OFF) -+ return; -+ -+ if (callee_attr == MARK_END_INTENTIONAL || callee_attr == MARK_YES) -+ return; -+ -+ hash = get_size_overflow_hash_entry_tree(decl, argnum); -+ if (!hash) -+ return; -+ -+ loc = DECL_SOURCE_LOCATION(decl); -+ inform(loc, "The intentional_overflow attribute is missing from +%s+%u+", DECL_NAME_POINTER(decl), argnum); -+} -+ -+// Get the field decl of a component ref for intentional_overflow checking -+static const_tree search_field_decl(const_tree comp_ref) -+{ -+ const_tree field = NULL_TREE; -+ unsigned int i, len = TREE_OPERAND_LENGTH(comp_ref); -+ -+ for (i = 0; i < len; i++) { -+ field = TREE_OPERAND(comp_ref, i); -+ if (TREE_CODE(field) == FIELD_DECL) -+ break; -+ } -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ return field; -+} -+ -+/* Get the type of the intentional_overflow attribute of a node -+ * * MARK_TURN_OFF -+ * * MARK_YES -+ * * MARK_NO -+ * * MARK_END_INTENTIONAL -+ */ -+static enum intentional_mark get_intentional_attr_type(const_tree node) -+{ -+ const_tree cur_decl; -+ -+ if (node == NULL_TREE) -+ return MARK_NO; -+ -+ switch (TREE_CODE(node)) { -+ case COMPONENT_REF: -+ cur_decl = search_field_decl(node); -+ if (is_turn_off_intentional_attr(cur_decl)) -+ return MARK_TURN_OFF; -+ if (is_end_intentional_intentional_attr(cur_decl)) -+ return MARK_YES; -+ break; -+ case PARM_DECL: { -+ unsigned int argnum; -+ -+ cur_decl = get_orig_fndecl(current_function_decl); -+ argnum = find_arg_number_tree(node, cur_decl); -+ if (argnum == CANNOT_FIND_ARG) -+ return MARK_NO; -+ if (is_yes_intentional_attr(cur_decl, argnum)) -+ return MARK_YES; -+ if (is_end_intentional_intentional_attr(cur_decl)) -+ return MARK_END_INTENTIONAL; -+ break; -+ } -+ case FUNCTION_DECL: { -+ const_tree fndecl = get_orig_fndecl(node); -+ -+ if (is_turn_off_intentional_attr(fndecl)) -+ return MARK_TURN_OFF; -+ if (is_end_intentional_intentional_attr(fndecl)) -+ return MARK_END_INTENTIONAL; -+ } -+ default: -+ break; -+ } -+ return MARK_NO; -+} -+ -+static enum intentional_mark walk_use_def_phi(gimple_set *visited, const_tree result) -+{ -+ enum intentional_mark mark = MARK_NO; -+ gphi *phi = as_a_gphi(get_def_stmt(result)); -+ unsigned int i, n = gimple_phi_num_args(phi); -+ -+ pointer_set_insert(visited, phi); -+ for (i = 0; i < n; i++) { -+ tree arg = gimple_phi_arg_def(phi, i); -+ -+ mark = walk_use_def(visited, arg); -+ if (mark != MARK_NO) -+ return mark; -+ } -+ -+ return mark; -+} -+ -+static enum intentional_mark walk_use_def_binary(gimple_set *visited, const_tree lhs) -+{ -+ enum intentional_mark mark; -+ tree rhs1, rhs2; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ mark = walk_use_def(visited, rhs1); -+ if (mark == MARK_NO) -+ return walk_use_def(visited, rhs2); -+ return mark; -+} -+ -+enum intentional_mark get_so_asm_type(const_gimple stmt) -+{ -+ const gasm *asm_stmt; -+ -+ if (!stmt) -+ return MARK_NO; -+ if (!is_size_overflow_asm(stmt)) -+ return MARK_NO; -+ -+ asm_stmt = as_a_const_gasm(stmt); -+ if (is_size_overflow_insert_check_asm(asm_stmt)) -+ return MARK_NO; -+ if (is_size_overflow_intentional_asm_turn_off(asm_stmt)) -+ return MARK_TURN_OFF; -+ if (is_size_overflow_intentional_asm_end(asm_stmt)) -+ return MARK_END_INTENTIONAL; -+ return MARK_YES; -+} -+ -+static enum intentional_mark walk_use_def(gimple_set *visited, const_tree lhs) -+{ -+ const_gimple def_stmt; -+ -+ if (TREE_CODE(lhs) != SSA_NAME) -+ return get_intentional_attr_type(lhs); -+ -+ def_stmt = get_def_stmt(lhs); -+ gcc_assert(def_stmt); -+ -+ if (pointer_set_insert(visited, def_stmt)) -+ return MARK_NO; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_CALL: -+ case GIMPLE_RETURN: -+ return MARK_NO; -+ case GIMPLE_NOP: -+ return walk_use_def(visited, SSA_NAME_VAR(lhs)); -+ case GIMPLE_ASM: -+ return get_so_asm_type(as_a_const_gasm(def_stmt)); -+ case GIMPLE_PHI: -+ return walk_use_def_phi(visited, lhs); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return walk_use_def(visited, gimple_assign_rhs1(def_stmt)); -+ case 3: -+ return walk_use_def_binary(visited, lhs); -+ } -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+static enum intentional_mark check_intentional_size_overflow_asm_and_attribute(const_tree var) -+{ -+ enum intentional_mark mark; -+ gimple_set *visited; -+ -+ visited = pointer_set_create(); -+ mark = walk_use_def(visited, var); -+ pointer_set_destroy(visited); -+ -+ return mark; -+} -+ -+/* Search intentional_overflow attribute on caller and on callee too. -+ * -1 / MARK_TURN_OFF: means that overflow checking is turned off inside the function and -+ * parameters aren't tracked backwards. -+ * 1..31 / MARK_YES: e.g., 4 means that overflow checking is turned off on the fourth parameter inside -+ * the function. -+ * 0 / MARK_END_INTENTIONAL: means that overflow checking is turned off on all the parameters of the function -+ * in all callers (on a structure field means that overflow checking is turned off -+ * in all expressions involving the given field). -+ */ -+enum intentional_mark check_intentional_attribute(const_gimple stmt, unsigned int argnum) -+{ -+ enum intentional_mark caller_mark, callee_mark; -+ const_tree fndecl, orig_cur_fndecl, arg; -+ -+ orig_cur_fndecl = get_orig_fndecl(current_function_decl); -+ -+ // handle MARK_TURN_OFF early on the caller -+ if (is_turn_off_intentional_attr(orig_cur_fndecl)) -+ return MARK_TURN_OFF; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ // for now ignore other intentional attribute types on returns -+ return MARK_NO; -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(argnum <= gimple_call_num_args(stmt)); -+ arg = gimple_call_arg(stmt, argnum - 1); -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ // XXX ideiglenesen 0-nal a fuggvenyen belul is ki van kapcsolva a dupolas, eddig igy mukodott a doksi ellenere -+ if (is_end_intentional_intentional_attr(orig_cur_fndecl)) -+ return MARK_END_INTENTIONAL; -+ -+ fndecl = get_interesting_orig_fndecl_from_stmt(as_a_const_gcall(stmt)); -+ // handle MARK_TURN_OFF on the callee -+ if (is_turn_off_intentional_attr(fndecl)) -+ return MARK_TURN_OFF; -+ // find a defining marked caller argument or struct field for arg -+ caller_mark = check_intentional_size_overflow_asm_and_attribute(arg); -+ -+ // did we find a marked struct field? -+ if (caller_mark == MARK_TURN_OFF) -+ return MARK_TURN_OFF; -+ -+ // handle MARK_END_INTENTIONAL on the callee -+ if (is_end_intentional_intentional_attr(fndecl)) -+ callee_mark = MARK_END_INTENTIONAL; -+ // is it a marked callee parameter? -+ else if (is_yes_intentional_attr(fndecl, argnum)) -+ callee_mark = MARK_YES; -+ else -+ callee_mark = MARK_NO; -+ -+ // no intentional attribute found -+ if (callee_mark == MARK_NO && caller_mark == MARK_NO) -+ return MARK_NO; -+ -+ // MARK_YES is meaningful only on the caller -+ if (caller_mark == MARK_NO && callee_mark == MARK_YES) -+ return MARK_NO; -+ -+ // we found a code region where we don't want to duplicate -+ if (caller_mark == MARK_YES && callee_mark == MARK_END_INTENTIONAL) -+ return MARK_END_INTENTIONAL; -+ -+ // ignore the intentional attribute on the callee if we didn't find a marked defining argument or struct field -+ if (caller_mark == MARK_NO && callee_mark == MARK_END_INTENTIONAL) -+ return MARK_NO; -+ -+ // the callee is missing the intentional attribute (MARK_YES or MARK_END_INTENTIONAL) -+ if (caller_mark == MARK_YES) { -+ print_missing_intentional(callee_mark, caller_mark, fndecl, argnum); -+ return MARK_YES; -+ } -+ -+ fprintf(stderr, "caller: %s callee: %s\n", DECL_NAME_POINTER(orig_cur_fndecl), DECL_NAME_POINTER(fndecl)); -+ debug_gimple_stmt((gimple)stmt); -+ print_intentional_mark(caller_mark); -+ print_intentional_mark(callee_mark); -+ gcc_unreachable(); -+} -+ -+enum intentional_mark check_intentional_asm(const_gimple stmt, unsigned int argnum) -+{ -+ const_tree arg; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ arg = gimple_return_retval(as_a_const_greturn(stmt)); -+ break; -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(argnum <= gimple_call_num_args(stmt)); -+ arg = gimple_call_arg(stmt, argnum - 1); -+ break; -+ case GIMPLE_ASM: -+ gcc_assert(is_size_overflow_insert_check_asm(as_a_const_gasm(stmt))); -+ arg = get_size_overflow_asm_input(as_a_const_gasm(stmt)); -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ // find a defining marked caller argument or struct field for arg -+ return check_intentional_size_overflow_asm_and_attribute(arg); -+} -+ -+bool is_a_cast_and_const_overflow(const_tree no_const_rhs) -+{ -+ const_tree rhs1, lhs, rhs1_type, lhs_type; -+ enum machine_mode lhs_mode, rhs_mode; -+ gimple def_stmt = get_def_stmt(no_const_rhs); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ lhs = gimple_assign_lhs(def_stmt); -+ rhs1_type = TREE_TYPE(rhs1); -+ lhs_type = TREE_TYPE(lhs); -+ rhs_mode = TYPE_MODE(rhs1_type); -+ lhs_mode = TYPE_MODE(lhs_type); -+ if (TYPE_UNSIGNED(lhs_type) == TYPE_UNSIGNED(rhs1_type) || lhs_mode != rhs_mode) -+ return false; -+ -+ return true; -+} -+ -+static unsigned int uses_num(tree node) -+{ -+ imm_use_iterator imm_iter; -+ use_operand_p use_p; -+ unsigned int num = 0; -+ -+ FOR_EACH_IMM_USE_FAST(use_p, imm_iter, node) { -+ gimple use_stmt = USE_STMT(use_p); -+ -+ if (use_stmt == NULL) -+ return num; -+ if (is_gimple_debug(use_stmt)) -+ continue; -+ if (gimple_assign_cast_p(use_stmt) && is_size_overflow_type(gimple_assign_lhs(use_stmt))) -+ continue; -+ num++; -+ } -+ return num; -+} -+ -+static bool no_uses(tree node) -+{ -+ return !uses_num(node); -+} -+ -+// 3.8.5 mm/page-writeback.c __ilog2_u64(): ret, uint + uintmax; uint -> int; int max -+bool is_const_plus_unsigned_signed_truncation(const_tree lhs) -+{ -+ tree rhs1, lhs_type, rhs_type, rhs2, not_const_rhs; -+ gimple def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs_type = TREE_TYPE(rhs1); -+ lhs_type = TREE_TYPE(lhs); -+ if (TYPE_UNSIGNED(lhs_type) || !TYPE_UNSIGNED(rhs_type)) -+ return false; -+ if (TYPE_MODE(lhs_type) != TYPE_MODE(rhs_type)) -+ return false; -+ -+ def_stmt = get_def_stmt(rhs1); -+ if (!def_stmt || !is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 3) -+ return false; -+ -+ if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ if (!is_gimple_constant(rhs1) && !is_gimple_constant(rhs2)) -+ return false; -+ -+ if (is_gimple_constant(rhs2)) -+ not_const_rhs = rhs1; -+ else -+ not_const_rhs = rhs2; -+ -+ return no_uses(not_const_rhs); -+} -+ -+static bool is_lt_signed_type_max(const_tree rhs) -+{ -+ const_tree new_type, type_max, type = TREE_TYPE(rhs); -+ -+ if (!TYPE_UNSIGNED(type)) -+ return true; -+ -+ switch (TYPE_MODE(type)) { -+ case QImode: -+ new_type = intQI_type_node; -+ break; -+ case HImode: -+ new_type = intHI_type_node; -+ break; -+ case SImode: -+ new_type = intSI_type_node; -+ break; -+ case DImode: -+ new_type = intDI_type_node; -+ break; -+ default: -+ debug_tree((tree)type); -+ gcc_unreachable(); -+ } -+ -+ type_max = TYPE_MAX_VALUE(new_type); -+ if (!tree_int_cst_lt(type_max, rhs)) -+ return true; -+ -+ return false; -+} -+ -+static bool is_gt_zero(const_tree rhs) -+{ -+ const_tree type = TREE_TYPE(rhs); -+ -+ if (TYPE_UNSIGNED(type)) -+ return true; -+ -+ if (!tree_int_cst_lt(rhs, integer_zero_node)) -+ return true; -+ -+ return false; -+} -+ -+bool is_a_constant_overflow(const gassign *stmt, const_tree rhs) -+{ -+ if (gimple_assign_rhs_code(stmt) == MIN_EXPR) -+ return false; -+ if (!is_gimple_constant(rhs)) -+ return false; -+ -+ // if the const is between 0 and the max value of the signed type of the same bitsize then there is no intentional overflow -+ if (is_lt_signed_type_max(rhs) && is_gt_zero(rhs)) -+ return false; -+ -+ return true; -+} -+ -+static tree change_assign_rhs(struct visited *visited, gassign *stmt, const_tree orig_rhs, tree new_rhs) -+{ -+ const_gimple assign; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ tree origtype = TREE_TYPE(orig_rhs); -+ -+ assign = build_cast_stmt(visited, origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+tree handle_intentional_overflow(struct visited *visited, bool check_overflow, gassign *stmt, tree change_rhs, tree new_rhs2) -+{ -+ tree new_rhs, orig_rhs; -+ void (*gimple_assign_set_rhs)(gimple, tree); -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree rhs2 = gimple_assign_rhs2(stmt); -+ tree lhs = gimple_assign_lhs(stmt); -+ -+ if (!check_overflow) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (change_rhs == NULL_TREE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (new_rhs2 == NULL_TREE) { -+ orig_rhs = rhs1; -+ gimple_assign_set_rhs = &gimple_assign_set_rhs1; -+ } else { -+ orig_rhs = rhs2; -+ gimple_assign_set_rhs = &gimple_assign_set_rhs2; -+ } -+ -+ check_size_overflow(stmt, TREE_TYPE(change_rhs), change_rhs, orig_rhs, BEFORE_STMT); -+ -+ new_rhs = change_assign_rhs(visited, stmt, orig_rhs, change_rhs); -+ gimple_assign_set_rhs(stmt, new_rhs); -+ update_stmt(stmt); -+ -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+} -+ -+static bool is_subtraction_special(struct visited *visited, const gassign *stmt) -+{ -+ gimple rhs1_def_stmt, rhs2_def_stmt; -+ const_tree rhs1_def_stmt_rhs1, rhs2_def_stmt_rhs1, rhs1_def_stmt_lhs, rhs2_def_stmt_lhs; -+ enum machine_mode rhs1_def_stmt_rhs1_mode, rhs2_def_stmt_rhs1_mode, rhs1_def_stmt_lhs_mode, rhs2_def_stmt_lhs_mode; -+ const_tree rhs1 = gimple_assign_rhs1(stmt); -+ const_tree rhs2 = gimple_assign_rhs2(stmt); -+ -+ if (is_gimple_constant(rhs1) || is_gimple_constant(rhs2)) -+ return false; -+ -+ gcc_assert(TREE_CODE(rhs1) == SSA_NAME && TREE_CODE(rhs2) == SSA_NAME); -+ -+ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR) -+ return false; -+ -+ rhs1_def_stmt = get_def_stmt(rhs1); -+ rhs2_def_stmt = get_def_stmt(rhs2); -+ if (!gimple_assign_cast_p(rhs1_def_stmt) || !gimple_assign_cast_p(rhs2_def_stmt)) -+ return false; -+ -+ rhs1_def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt); -+ rhs2_def_stmt_rhs1 = gimple_assign_rhs1(rhs2_def_stmt); -+ rhs1_def_stmt_lhs = gimple_assign_lhs(rhs1_def_stmt); -+ rhs2_def_stmt_lhs = gimple_assign_lhs(rhs2_def_stmt); -+ rhs1_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_rhs1)); -+ rhs2_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_rhs1)); -+ rhs1_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_lhs)); -+ rhs2_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_lhs)); -+ if (GET_MODE_BITSIZE(rhs1_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs1_def_stmt_lhs_mode)) -+ return false; -+ if (GET_MODE_BITSIZE(rhs2_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs2_def_stmt_lhs_mode)) -+ return false; -+ -+ pointer_set_insert(visited->no_cast_check, rhs1_def_stmt); -+ pointer_set_insert(visited->no_cast_check, rhs2_def_stmt); -+ return true; -+} -+ -+static gassign *create_binary_assign(struct visited *visited, enum tree_code code, gassign *stmt, tree rhs1, tree rhs2) -+{ -+ gassign *assign; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ tree type = TREE_TYPE(rhs1); -+ tree lhs = create_new_var(type); -+ -+ gcc_assert(types_compatible_p(type, TREE_TYPE(rhs2))); -+ assign = as_a_gassign(gimple_build_assign_with_ops(code, lhs, rhs1, rhs2)); -+ gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign)); -+ -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ pointer_set_insert(visited->my_stmts, assign); -+ return assign; -+} -+ -+static tree cast_to_TI_type(struct visited *visited, gassign *stmt, tree node) -+{ -+ gimple_stmt_iterator gsi; -+ const_gimple cast_stmt; -+ tree type = TREE_TYPE(node); -+ -+ if (types_compatible_p(type, intTI_type_node)) -+ return node; -+ -+ gsi = gsi_for_stmt(stmt); -+ cast_stmt = build_cast_stmt(visited, intTI_type_node, node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, cast_stmt); -+ return get_lhs(cast_stmt); -+} -+ -+static tree get_def_stmt_rhs(struct visited *visited, const_tree var) -+{ -+ tree rhs1, def_stmt_rhs1; -+ gimple rhs1_def_stmt, def_stmt_rhs1_def_stmt, def_stmt; -+ -+ def_stmt = get_def_stmt(var); -+ if (!gimple_assign_cast_p(def_stmt)) -+ return NULL_TREE; -+ gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP && pointer_set_contains(visited->my_stmts, def_stmt) && gimple_assign_cast_p(def_stmt)); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs1_def_stmt = get_def_stmt(rhs1); -+ if (!gimple_assign_cast_p(rhs1_def_stmt)) -+ return rhs1; -+ -+ def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt); -+ def_stmt_rhs1_def_stmt = get_def_stmt(def_stmt_rhs1); -+ -+ switch (gimple_code(def_stmt_rhs1_def_stmt)) { -+ case GIMPLE_CALL: -+ case GIMPLE_NOP: -+ case GIMPLE_ASM: -+ case GIMPLE_PHI: -+ return def_stmt_rhs1; -+ case GIMPLE_ASSIGN: -+ return rhs1; -+ default: -+ debug_gimple_stmt(def_stmt_rhs1_def_stmt); -+ gcc_unreachable(); -+ } -+} -+ -+tree handle_integer_truncation(struct visited *visited, const_tree lhs) -+{ -+ tree new_rhs1, new_rhs2; -+ tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs; -+ gassign *assign, *stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree rhs2 = gimple_assign_rhs2(stmt); -+ -+ if (!is_subtraction_special(visited, stmt)) -+ return NULL_TREE; -+ -+ new_rhs1 = expand(visited, rhs1); -+ new_rhs2 = expand(visited, rhs2); -+ -+ new_rhs1_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs1); -+ new_rhs2_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs2); -+ -+ if (new_rhs1_def_stmt_rhs1 == NULL_TREE || new_rhs2_def_stmt_rhs1 == NULL_TREE) -+ return NULL_TREE; -+ -+ if (!types_compatible_p(TREE_TYPE(new_rhs1_def_stmt_rhs1), TREE_TYPE(new_rhs2_def_stmt_rhs1))) { -+ new_rhs1_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs1_def_stmt_rhs1); -+ new_rhs2_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs2_def_stmt_rhs1); -+ } -+ -+ assign = create_binary_assign(visited, MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1); -+ new_lhs = gimple_assign_lhs(assign); -+ check_size_overflow(assign, TREE_TYPE(new_lhs), new_lhs, rhs1, AFTER_STMT); -+ -+ return dup_assign(visited, stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+} -+ -+bool is_a_neg_overflow(const gassign *stmt, const_tree rhs) -+{ -+ const_gimple def_stmt; -+ -+ if (TREE_CODE(rhs) != SSA_NAME) -+ return false; -+ -+ if (gimple_assign_rhs_code(stmt) != PLUS_EXPR) -+ return false; -+ -+ def_stmt = get_def_stmt(rhs); -+ if (!is_gimple_assign(def_stmt) || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR) -+ return false; -+ -+ return true; -+} -+ -+/* e.g., drivers/acpi/acpica/utids.c acpi_ut_execute_CID() -+ * ((count - 1) * sizeof(struct acpi_pnp_dee_id_list) -> (count + fffffff) * 16 -+ * fffffff * 16 > signed max -> truncate -+ */ -+static bool look_for_mult_and_add(const_gimple stmt) -+{ -+ const_tree res; -+ tree rhs1, rhs2, def_rhs1, def_rhs2, const_rhs, def_const_rhs; -+ const_gimple def_stmt; -+ -+ if (!stmt || gimple_code(stmt) == GIMPLE_NOP) -+ return false; -+ if (!is_gimple_assign(stmt)) -+ return false; -+ if (gimple_assign_rhs_code(stmt) != MULT_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (is_gimple_constant(rhs1)) { -+ const_rhs = rhs1; -+ def_stmt = get_def_stmt(rhs2); -+ } else if (is_gimple_constant(rhs2)) { -+ const_rhs = rhs2; -+ def_stmt = get_def_stmt(rhs1); -+ } else -+ return false; -+ -+ if (!is_gimple_assign(def_stmt)) -+ return false; -+ -+ if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR && gimple_assign_rhs_code(def_stmt) != MINUS_EXPR) -+ return false; -+ -+ def_rhs1 = gimple_assign_rhs1(def_stmt); -+ def_rhs2 = gimple_assign_rhs2(def_stmt); -+ if (is_gimple_constant(def_rhs1)) -+ def_const_rhs = def_rhs1; -+ else if (is_gimple_constant(def_rhs2)) -+ def_const_rhs = def_rhs2; -+ else -+ return false; -+ -+ res = fold_binary_loc(gimple_location(def_stmt), MULT_EXPR, TREE_TYPE(const_rhs), const_rhs, def_const_rhs); -+ if (is_lt_signed_type_max(res) && is_gt_zero(res)) -+ return false; -+ return true; -+} -+ -+enum intentional_overflow_type add_mul_intentional_overflow(const gassign *stmt) -+{ -+ const_gimple def_stmt_1, def_stmt_2; -+ const_tree rhs1, rhs2; -+ bool add_mul_rhs1, add_mul_rhs2; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ def_stmt_1 = get_def_stmt(rhs1); -+ add_mul_rhs1 = look_for_mult_and_add(def_stmt_1); -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ def_stmt_2 = get_def_stmt(rhs2); -+ add_mul_rhs2 = look_for_mult_and_add(def_stmt_2); -+ -+ if (add_mul_rhs1) -+ return RHS1_INTENTIONAL_OVERFLOW; -+ if (add_mul_rhs2) -+ return RHS2_INTENTIONAL_OVERFLOW; -+ return NO_INTENTIONAL_OVERFLOW; -+} -+ -+static gassign *get_dup_stmt(struct visited *visited, gassign *stmt) -+{ -+ gassign *my_stmt; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ gsi_next(&gsi); -+ my_stmt = as_a_gassign(gsi_stmt(gsi)); -+ -+ gcc_assert(pointer_set_contains(visited->my_stmts, my_stmt)); -+ if (gimple_assign_cast_p(stmt) && gimple_assign_cast_p(my_stmt)) -+ return my_stmt; -+ -+ if (gimple_assign_rhs_code(stmt) != gimple_assign_rhs_code(my_stmt)) { -+ fprintf(stderr, "%s != %s\n", get_tree_code_name(gimple_assign_rhs_code(stmt)), get_tree_code_name(gimple_assign_rhs_code(my_stmt))); -+ debug_gimple_stmt(stmt); -+ debug_gimple_stmt(my_stmt); -+ gcc_unreachable(); -+ } -+ -+ return my_stmt; -+} -+ -+/* unsigned type -> unary or binary assign (rhs1 or rhs2 is constant) -+ * unsigned type cast to signed type, unsigned type: no more uses -+ * e.g., lib/vsprintf.c:simple_strtol() -+ * _10 = (unsigned long int) _9 -+ * _11 = -_10; -+ * _12 = (long int) _11; (_11_ no more uses) -+ */ -+static bool is_call_or_cast(gimple stmt) -+{ -+ return gimple_assign_cast_p(stmt) || is_gimple_call(stmt); -+} -+ -+static bool is_unsigned_cast_or_call_def_stmt(const_tree node) -+{ -+ const_tree rhs; -+ gimple def_stmt; -+ -+ if (node == NULL_TREE) -+ return true; -+ if (is_gimple_constant(node)) -+ return true; -+ -+ def_stmt = get_def_stmt(node); -+ if (!def_stmt) -+ return false; -+ -+ if (is_call_or_cast(def_stmt)) -+ return true; -+ -+ if (!is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 2) -+ return false; -+ rhs = gimple_assign_rhs1(def_stmt); -+ def_stmt = get_def_stmt(rhs); -+ if (!def_stmt) -+ return false; -+ return is_call_or_cast(def_stmt); -+} -+ -+void unsigned_signed_cast_intentional_overflow(struct visited *visited, gassign *stmt) -+{ -+ unsigned int use_num; -+ gassign *so_stmt; -+ const_gimple def_stmt; -+ const_tree rhs1, rhs2; -+ tree rhs = gimple_assign_rhs1(stmt); -+ tree lhs_type = TREE_TYPE(gimple_assign_lhs(stmt)); -+ const_tree rhs_type = TREE_TYPE(rhs); -+ -+ if (!(TYPE_UNSIGNED(rhs_type) && !TYPE_UNSIGNED(lhs_type))) -+ return; -+ if (GET_MODE_BITSIZE(TYPE_MODE(rhs_type)) != GET_MODE_BITSIZE(TYPE_MODE(lhs_type))) -+ return; -+ use_num = uses_num(rhs); -+ if (use_num != 1) -+ return; -+ -+ def_stmt = get_def_stmt(rhs); -+ if (!def_stmt) -+ return; -+ if (!is_gimple_assign(def_stmt)) -+ return; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ if (!is_unsigned_cast_or_call_def_stmt(rhs1)) -+ return; -+ -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ if (!is_unsigned_cast_or_call_def_stmt(rhs2)) -+ return; -+ if (gimple_num_ops(def_stmt) == 3 && !is_gimple_constant(rhs1) && !is_gimple_constant(rhs2)) -+ return; -+ -+ so_stmt = get_dup_stmt(visited, stmt); -+ create_up_and_down_cast(visited, so_stmt, lhs_type, gimple_assign_rhs1(so_stmt)); -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/misc.c b/tools/gcc/size_overflow_plugin/misc.c -new file mode 100644 -index 0000000..c1b4773 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/misc.c -@@ -0,0 +1,441 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+const char *get_type_name_from_field(const_tree field_decl) -+{ -+ const_tree context, type_name; -+ -+ if (TREE_CODE(field_decl) != FIELD_DECL) -+ return NULL; -+ -+ context = DECL_CONTEXT(field_decl); -+ gcc_assert(TREE_CODE(context) == RECORD_TYPE); -+ type_name = TYPE_NAME(TYPE_MAIN_VARIANT(context)); -+ if (type_name == NULL_TREE) -+ return NULL; -+ -+ if (TREE_CODE(type_name) == IDENTIFIER_NODE) -+ return IDENTIFIER_POINTER(type_name); -+ else if (TREE_CODE(type_name) == TYPE_DECL) -+ return DECL_NAME_POINTER(type_name); -+ -+ debug_tree((tree)field_decl); -+ debug_tree((tree)type_name); -+ gcc_unreachable(); -+} -+ -+// Was the function created by the compiler itself? -+bool made_by_compiler(const_tree decl) -+{ -+ struct cgraph_node *node; -+ -+ if (FUNCTION_PTR_P(decl)) -+ return false; -+ if (TREE_CODE(decl) == VAR_DECL) -+ return false; -+ -+ gcc_assert(TREE_CODE(decl) == FUNCTION_DECL); -+ if (DECL_ABSTRACT_ORIGIN(decl) != NULL_TREE) -+ return true; -+ if (DECL_ARTIFICIAL(decl)) -+ return true; -+ -+ node = get_cnode(decl); -+ if (!node) -+ return false; -+ return node->clone_of != NULL; -+} -+ -+bool skip_types(const_tree var) -+{ -+ const_tree type; -+ -+ type = TREE_TYPE(var); -+ if (type == NULL_TREE) -+ return true; -+ -+ switch (TREE_CODE(type)) { -+ case INTEGER_TYPE: -+ case ENUMERAL_TYPE: -+ return false; -+ default: -+ return true; -+ } -+} -+ -+gimple get_fnptr_def_stmt(const_tree fn_ptr) -+{ -+ gimple def_stmt; -+ -+ gcc_assert(fn_ptr != NULL_TREE); -+ gcc_assert(FUNCTION_PTR_P(fn_ptr)); -+ -+ if (is_gimple_constant(fn_ptr)) -+ return NULL; -+ -+ def_stmt = get_def_stmt(fn_ptr); -+ gcc_assert(def_stmt); -+ return def_stmt; -+} -+ -+gimple get_def_stmt(const_tree node) -+{ -+ gcc_assert(node != NULL_TREE); -+ -+ if (TREE_CODE(node) != SSA_NAME) -+ return NULL; -+ return SSA_NAME_DEF_STMT(node); -+} -+ -+tree create_new_var(tree type) -+{ -+ tree new_var = create_tmp_var(type, "cicus"); -+ -+ add_referenced_var(new_var); -+ return new_var; -+} -+ -+static bool skip_cast(tree dst_type, const_tree rhs, bool force) -+{ -+ const_gimple def_stmt = get_def_stmt(rhs); -+ -+ if (force) -+ return false; -+ -+ if (is_gimple_constant(rhs)) -+ return false; -+ -+ if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP) -+ return false; -+ -+ if (!types_compatible_p(dst_type, TREE_TYPE(rhs))) -+ return false; -+ -+ // DI type can be on 32 bit (from create_assign) but overflow type stays DI -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode)) -+ return false; -+ -+ return true; -+} -+ -+tree cast_a_tree(tree type, tree var) -+{ -+ gcc_assert(type != NULL_TREE); -+ gcc_assert(var != NULL_TREE); -+ gcc_assert(fold_convertible_p(type, var)); -+ -+ return fold_convert(type, var); -+} -+ -+gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force) -+{ -+ gassign *assign; -+ gimple def_stmt; -+ -+ gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE); -+ gcc_assert(!is_gimple_constant(rhs)); -+ if (gsi_end_p(*gsi) && before == AFTER_STMT) -+ gcc_unreachable(); -+ -+ def_stmt = get_def_stmt(rhs); -+ if (def_stmt && gimple_code(def_stmt) != GIMPLE_NOP && skip_cast(dst_type, rhs, force) && pointer_set_contains(visited->my_stmts, def_stmt)) -+ return def_stmt; -+ -+ if (lhs == CREATE_NEW_VAR) -+ lhs = create_new_var(dst_type); -+ -+ assign = gimple_build_assign(lhs, cast_a_tree(dst_type, rhs)); -+ -+ if (!gsi_end_p(*gsi)) { -+ location_t loc = gimple_location(gsi_stmt(*gsi)); -+ gimple_set_location(assign, loc); -+ } -+ -+ gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign)); -+ -+ if (before) -+ gsi_insert_before(gsi, assign, GSI_NEW_STMT); -+ else -+ gsi_insert_after(gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ return assign; -+} -+ -+bool is_size_overflow_type(const_tree var) -+{ -+ const char *name; -+ const_tree type_name, type; -+ -+ if (var == NULL_TREE) -+ return false; -+ -+ type = TREE_TYPE(var); -+ type_name = TYPE_NAME(type); -+ if (type_name == NULL_TREE) -+ return false; -+ -+ if (DECL_P(type_name)) -+ name = DECL_NAME_POINTER(type_name); -+ else -+ name = IDENTIFIER_POINTER(type_name); -+ -+ if (!strncmp(name, "size_overflow_type", 18)) -+ return true; -+ return false; -+} -+ -+// Determine if a cloned function has all the original arguments -+static bool unchanged_arglist(struct cgraph_node *new_node, struct cgraph_node *old_node) -+{ -+ const_tree new_decl_list, old_decl_list; -+ -+ if (new_node->clone_of && new_node->clone.tree_map) -+ return !new_node->clone.args_to_skip; -+ -+ new_decl_list = DECL_ARGUMENTS(NODE_DECL(new_node)); -+ old_decl_list = DECL_ARGUMENTS(NODE_DECL(old_node)); -+ if (new_decl_list != NULL_TREE && old_decl_list != NULL_TREE) -+ gcc_assert(list_length(new_decl_list) == list_length(old_decl_list)); -+ -+ return true; -+} -+ -+unsigned int get_correct_argnum_fndecl(const_tree fndecl, const_tree correct_argnum_of_fndecl, unsigned int num) -+{ -+ unsigned int new_num; -+ const_tree fndecl_arg; -+ tree fndecl_arglist = DECL_ARGUMENTS(fndecl); -+ const_tree arg, target_fndecl_arglist; -+ -+ if (num == 0) -+ return num; -+ -+ if (fndecl == correct_argnum_of_fndecl && !DECL_ARTIFICIAL(fndecl)) -+ return num; -+ else if (fndecl == correct_argnum_of_fndecl && DECL_ARTIFICIAL(fndecl)) -+ return CANNOT_FIND_ARG; -+ -+ target_fndecl_arglist = DECL_ARGUMENTS(correct_argnum_of_fndecl); -+ if (fndecl_arglist == NULL_TREE || target_fndecl_arglist == NULL_TREE) -+ return CANNOT_FIND_ARG; -+ -+ fndecl_arg = chain_index(num - 1, fndecl_arglist); -+ gcc_assert(fndecl_arg != NULL_TREE); -+ -+ for (arg = target_fndecl_arglist, new_num = 1; arg; arg = TREE_CHAIN(arg), new_num++) { -+ if (arg == fndecl_arg || !strcmp(DECL_NAME_POINTER(arg), DECL_NAME_POINTER(fndecl_arg))) -+ return new_num; -+ } -+ -+ return CANNOT_FIND_ARG; -+} -+ -+// Find the specified argument in the originally cloned function -+static unsigned int clone_argnum_on_orig(struct cgraph_node *new_node, struct cgraph_node *old_node, unsigned int clone_argnum) -+{ -+ bitmap args_to_skip; -+ unsigned int i, new_argnum = clone_argnum; -+ -+ if (unchanged_arglist(new_node, old_node)) -+ return clone_argnum; -+ -+ gcc_assert(new_node->clone_of && new_node->clone.tree_map); -+ args_to_skip = new_node->clone.args_to_skip; -+ for (i = 0; i < clone_argnum; i++) { -+ if (bitmap_bit_p(args_to_skip, i)) -+ new_argnum++; -+ } -+ return new_argnum; -+} -+ -+// Find the specified argument in the clone -+static unsigned int orig_argnum_on_clone(struct cgraph_node *new_node, struct cgraph_node *old_node, unsigned int orig_argnum) -+{ -+ bitmap args_to_skip; -+ unsigned int i, new_argnum = orig_argnum; -+ -+ if (unchanged_arglist(new_node, old_node)) -+ return orig_argnum; -+ -+ gcc_assert(new_node->clone_of && new_node->clone.tree_map); -+ args_to_skip = new_node->clone.args_to_skip; -+ if (bitmap_bit_p(args_to_skip, orig_argnum - 1)) -+ // XXX torolni kellene a nodeot -+ return CANNOT_FIND_ARG; -+ -+ for (i = 0; i < orig_argnum; i++) { -+ if (bitmap_bit_p(args_to_skip, i)) -+ new_argnum--; -+ } -+ return new_argnum; -+} -+ -+// Associate the argument between a clone and a cloned function -+static unsigned int get_correct_argnum_cnode(struct cgraph_node *node, struct cgraph_node *correct_argnum_of_node, unsigned int argnum) -+{ -+ bool node_clone, correct_argnum_of_node_clone; -+ const_tree correct_argnum_of_node_decl, node_decl; -+ -+ if (node == correct_argnum_of_node) -+ return argnum; -+ if (argnum == 0) -+ return argnum; -+ -+ correct_argnum_of_node_decl = NODE_DECL(correct_argnum_of_node); -+ gcc_assert(correct_argnum_of_node_decl != NULL_TREE); -+ gcc_assert(correct_argnum_of_node && !DECL_ARTIFICIAL(correct_argnum_of_node_decl)); -+ -+ if (node) { -+ node_decl = NODE_DECL(node); -+ gcc_assert(!DECL_ARTIFICIAL(node_decl)); -+ node_clone = made_by_compiler(node_decl); -+ } else { -+ node_decl = NULL_TREE; -+ node_clone = false; -+ } -+ -+ if (correct_argnum_of_node_decl == node_decl) -+ return argnum; -+ -+ correct_argnum_of_node_clone = made_by_compiler(correct_argnum_of_node_decl); -+ // the original decl is lost if both nodes are clones -+ if (node_clone && correct_argnum_of_node_clone) { -+ gcc_assert(unchanged_arglist(node, correct_argnum_of_node)); -+ return argnum; -+ } -+ -+ if (node_clone && !correct_argnum_of_node_clone) -+ return clone_argnum_on_orig(correct_argnum_of_node, node, argnum); -+ else if (!node_clone && correct_argnum_of_node_clone) -+ return orig_argnum_on_clone(correct_argnum_of_node, node, argnum); -+ -+ if (node) -+ debug_tree((tree)NODE_DECL(node)); -+ debug_tree((tree)correct_argnum_of_node_decl); -+ gcc_unreachable(); -+} -+ -+unsigned int get_correct_argnum(const_tree decl, const_tree correct_argnum_of_decl, unsigned int argnum) -+{ -+ struct cgraph_node *node, *correct_argnum_of_node; -+ -+ gcc_assert(decl != NULL_TREE); -+ gcc_assert(correct_argnum_of_decl != NULL_TREE); -+ -+ correct_argnum_of_node = get_cnode(correct_argnum_of_decl); -+ if (!correct_argnum_of_node || DECL_ARTIFICIAL(decl) || DECL_ARTIFICIAL(correct_argnum_of_decl)) -+ return get_correct_argnum_fndecl(decl, correct_argnum_of_decl, argnum); -+ -+ node = get_cnode(decl); -+ return get_correct_argnum_cnode(node, correct_argnum_of_node, argnum); -+} -+ -+// Find the original cloned function -+tree get_orig_fndecl(const_tree clone_fndecl) -+{ -+ struct cgraph_node *node; -+ -+ if (DECL_ABSTRACT_ORIGIN(clone_fndecl)) -+ return (tree)DECL_ORIGIN(clone_fndecl); -+ node = get_cnode(clone_fndecl); -+ if (!node) -+ return (tree)clone_fndecl; -+ -+ while (node->clone_of) -+ node = node->clone_of; -+ if (!made_by_compiler(NODE_DECL(node))) -+ return NODE_DECL(node); -+ // Return the cloned decl because it is needed for the transform callback -+ return (tree)clone_fndecl; -+} -+ -+static tree get_interesting_fndecl_from_stmt(const gcall *stmt) -+{ -+ if (gimple_call_num_args(stmt) == 0) -+ return NULL_TREE; -+ return gimple_call_fndecl(stmt); -+} -+ -+tree get_interesting_orig_fndecl_from_stmt(const gcall *stmt) -+{ -+ tree fndecl; -+ -+ fndecl = get_interesting_fndecl_from_stmt(stmt); -+ if (fndecl == NULL_TREE) -+ return NULL_TREE; -+ return get_orig_fndecl(fndecl); -+} -+ -+void set_dominance_info(void) -+{ -+ calculate_dominance_info(CDI_DOMINATORS); -+ calculate_dominance_info(CDI_POST_DOMINATORS); -+} -+ -+void unset_dominance_info(void) -+{ -+ free_dominance_info(CDI_DOMINATORS); -+ free_dominance_info(CDI_POST_DOMINATORS); -+} -+ -+void set_current_function_decl(tree fndecl) -+{ -+ gcc_assert(fndecl != NULL_TREE); -+ -+ push_cfun(DECL_STRUCT_FUNCTION(fndecl)); -+#if BUILDING_GCC_VERSION <= 4007 -+ current_function_decl = fndecl; -+#endif -+ set_dominance_info(); -+} -+ -+void unset_current_function_decl(void) -+{ -+ unset_dominance_info(); -+#if BUILDING_GCC_VERSION <= 4007 -+ current_function_decl = NULL_TREE; -+#endif -+ pop_cfun(); -+} -+ -+bool is_valid_cgraph_node(struct cgraph_node *node) -+{ -+ if (cgraph_function_body_availability(node) == AVAIL_NOT_AVAILABLE) -+ return false; -+ if (node->thunk.thunk_p || node->alias) -+ return false; -+ return true; -+} -+ -+tree get_lhs(const_gimple stmt) -+{ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASSIGN: -+ case GIMPLE_CALL: -+ return gimple_get_lhs(stmt); -+ case GIMPLE_PHI: -+ return gimple_phi_result(stmt); -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c -new file mode 100644 -index 0000000..5622b51 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c -@@ -0,0 +1,137 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+bool skip_expr_on_double_type(const gassign *stmt) -+{ -+ enum tree_code code = gimple_assign_rhs_code(stmt); -+ -+ switch (code) { -+ case RSHIFT_EXPR: -+ case TRUNC_DIV_EXPR: -+ case CEIL_DIV_EXPR: -+ case FLOOR_DIV_EXPR: -+ case ROUND_DIV_EXPR: -+ case EXACT_DIV_EXPR: -+ case RDIV_EXPR: -+ case TRUNC_MOD_EXPR: -+ case CEIL_MOD_EXPR: -+ case FLOOR_MOD_EXPR: -+ case ROUND_MOD_EXPR: -+ return true; -+ default: -+ return false; -+ } -+} -+ -+void create_up_and_down_cast(struct visited *visited, gassign *use_stmt, tree orig_type, tree rhs) -+{ -+ const_tree orig_rhs1; -+ tree down_lhs, new_lhs, dup_type = TREE_TYPE(rhs); -+ const_gimple down_cast, up_cast; -+ gimple_stmt_iterator gsi = gsi_for_stmt(use_stmt); -+ -+ down_cast = build_cast_stmt(visited, orig_type, rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ down_lhs = get_lhs(down_cast); -+ -+ gsi = gsi_for_stmt(use_stmt); -+ up_cast = build_cast_stmt(visited, dup_type, down_lhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ new_lhs = get_lhs(up_cast); -+ -+ orig_rhs1 = gimple_assign_rhs1(use_stmt); -+ if (operand_equal_p(orig_rhs1, rhs, 0)) -+ gimple_assign_set_rhs1(use_stmt, new_lhs); -+ else -+ gimple_assign_set_rhs2(use_stmt, new_lhs); -+ update_stmt(use_stmt); -+ -+ pointer_set_insert(visited->my_stmts, up_cast); -+ pointer_set_insert(visited->my_stmts, down_cast); -+ pointer_set_insert(visited->skip_expr_casts, up_cast); -+ pointer_set_insert(visited->skip_expr_casts, down_cast); -+} -+ -+static tree get_proper_unsigned_half_type(const_tree node) -+{ -+ tree new_type, type; -+ -+ gcc_assert(is_size_overflow_type(node)); -+ -+ type = TREE_TYPE(node); -+ switch (TYPE_MODE(type)) { -+ case HImode: -+ new_type = unsigned_intQI_type_node; -+ break; -+ case SImode: -+ new_type = unsigned_intHI_type_node; -+ break; -+ case DImode: -+ new_type = unsigned_intSI_type_node; -+ break; -+ case TImode: -+ new_type = unsigned_intDI_type_node; -+ break; -+ default: -+ gcc_unreachable(); -+ } -+ -+ if (TYPE_QUALS(type) != 0) -+ return build_qualified_type(new_type, TYPE_QUALS(type)); -+ return new_type; -+} -+ -+static void insert_cast_rhs(struct visited *visited, gassign *stmt, tree rhs) -+{ -+ tree type; -+ -+ if (rhs == NULL_TREE) -+ return; -+ if (!is_size_overflow_type(rhs)) -+ return; -+ -+ type = get_proper_unsigned_half_type(rhs); -+ if (is_gimple_constant(rhs)) -+ return; -+ create_up_and_down_cast(visited, stmt, type, rhs); -+} -+ -+static void insert_cast(struct visited *visited, gassign *stmt, tree rhs) -+{ -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && !is_size_overflow_type(rhs)) -+ return; -+ gcc_assert(is_size_overflow_type(rhs)); -+ insert_cast_rhs(visited, stmt, rhs); -+} -+ -+void insert_cast_expr(struct visited *visited, gassign *stmt, enum intentional_overflow_type type) -+{ -+ tree rhs1, rhs2; -+ -+ if (type == NO_INTENTIONAL_OVERFLOW || type == RHS1_INTENTIONAL_OVERFLOW) { -+ rhs1 = gimple_assign_rhs1(stmt); -+ insert_cast(visited, stmt, rhs1); -+ } -+ -+ if (type == NO_INTENTIONAL_OVERFLOW || type == RHS2_INTENTIONAL_OVERFLOW) { -+ rhs2 = gimple_assign_rhs2(stmt); -+ insert_cast(visited, stmt, rhs2); -+ } -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/size_overflow.h b/tools/gcc/size_overflow_plugin/size_overflow.h -new file mode 100644 -index 0000000..07e2ba7 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow.h -@@ -0,0 +1,281 @@ -+#ifndef SIZE_OVERFLOW_H -+#define SIZE_OVERFLOW_H -+ -+#define CREATE_NEW_VAR NULL_TREE -+#define MAX_PARAM 31 -+#define CANNOT_FIND_ARG 32 -+#define NONE_ARGNUM 32 -+ -+#define BEFORE_STMT true -+#define AFTER_STMT false -+ -+#define TURN_OFF_ASM_STR "# size_overflow MARK_TURN_OFF " -+#define YES_ASM_STR "# size_overflow MARK_YES " -+#define END_INTENTIONAL_ASM_STR "# size_overflow MARK_END_INTENTIONAL " -+#define SO_ASM_STR "# size_overflow " -+#define OK_ASM_STR "# size_overflow MARK_NO" -+ -+#define FUNCTION_PTR_P(node) \ -+ (TREE_CODE(TREE_TYPE(node)) == POINTER_TYPE && (TREE_CODE(TREE_TYPE(TREE_TYPE(node))) == FUNCTION_TYPE || TREE_CODE(TREE_TYPE(TREE_TYPE(node))) == METHOD_TYPE)) -+ -+#define CODES_LIMIT 32 -+ -+#define GLOBAL_NIFN_LEN 65536 -+#define NO_HASH 65537 -+ -+#include "gcc-common.h" -+ -+#include <string.h> -+#include <limits.h> -+ -+enum intentional_mark { -+ MARK_NO, MARK_YES, MARK_END_INTENTIONAL, MARK_TURN_OFF -+}; -+ -+enum intentional_overflow_type { -+ NO_INTENTIONAL_OVERFLOW, RHS1_INTENTIONAL_OVERFLOW, RHS2_INTENTIONAL_OVERFLOW -+}; -+ -+enum size_overflow_mark { -+ NO_SO_MARK, YES_SO_MARK, ASM_STMT_SO_MARK -+}; -+ -+struct decl_hash { -+ size_t tree_codes_len; -+ unsigned char tree_codes[CODES_LIMIT]; -+ const_tree decl; -+ unsigned int hash; -+ const char *fn_name; -+}; -+ -+struct next_interesting_function; -+typedef struct next_interesting_function * next_interesting_function_t; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+DEF_VEC_P(next_interesting_function_t); -+DEF_VEC_ALLOC_P(next_interesting_function_t, heap); -+#endif -+ -+#if BUILDING_GCC_VERSION >= 5000 -+typedef struct hash_set<const_gimple> gimple_set; -+ -+static inline bool pointer_set_insert(gimple_set *visited, const_gimple stmt) -+{ -+ return visited->add(stmt); -+} -+ -+static inline bool pointer_set_contains(gimple_set *visited, const_gimple stmt) -+{ -+ return visited->contains(stmt); -+} -+ -+static inline gimple_set* pointer_set_create(void) -+{ -+ return new hash_set<const_gimple>; -+} -+ -+static inline void pointer_set_destroy(gimple_set *visited) -+{ -+ delete visited; -+} -+ -+typedef struct hash_set<next_interesting_function_t> next_interesting_function_set; -+ -+static inline bool pointer_set_insert(next_interesting_function_set *visited, next_interesting_function_t node) -+{ -+ return visited->add(node); -+} -+ -+static inline bool pointer_set_contains(next_interesting_function_set *visited, next_interesting_function_t node) -+{ -+ return visited->contains(node); -+} -+ -+static inline next_interesting_function_set *next_interesting_function_pointer_set_create(void) -+{ -+ return new hash_set<next_interesting_function_t>; -+} -+ -+static inline void pointer_set_destroy(next_interesting_function_set *visited) -+{ -+ delete visited; -+} -+#else -+typedef struct pointer_set_t gimple_set; -+typedef struct pointer_set_t next_interesting_function_set; -+ -+static inline next_interesting_function_set *next_interesting_function_pointer_set_create(void) -+{ -+ return pointer_set_create(); -+} -+#endif -+ -+struct visited { -+ gimple_set *stmts; -+ gimple_set *my_stmts; -+ gimple_set *skip_expr_casts; -+ gimple_set *no_cast_check; -+}; -+ -+/* -+ * * children: callers with data flow into the integer parameter of decl -+ * * decl_name: name of the function or the field -+ * * context: the containing type name for a function pointer (or "fielddecl" if the type has no name), otherwise either "vardecl" or "fndecl" -+ * * hash: hash num of the function -+ * * num: parameter number (1-31) or return value (0) -+ * * marked: determines whether to duplicate stmts and/or look for missing hashtable entries -+ * * orig_next_node: pointer to the originally cloned function -+ */ -+struct next_interesting_function { -+ next_interesting_function_t next; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(next_interesting_function_t, heap) *children; -+#else -+ vec<next_interesting_function_t, va_heap, vl_embed> *children; -+#endif -+ const char *decl_name; -+ const char *context; -+ unsigned int hash; -+ unsigned int num; -+ enum size_overflow_mark marked; -+ next_interesting_function_t orig_next_node; -+}; -+ -+// size_overflow_plugin.c -+extern tree report_size_overflow_decl; -+extern tree size_overflow_type_HI; -+extern tree size_overflow_type_SI; -+extern tree size_overflow_type_DI; -+extern tree size_overflow_type_TI; -+ -+ -+// size_overflow_plugin_hash.c -+struct size_overflow_hash { -+ const struct size_overflow_hash * const next; -+ const char * const name; -+ const unsigned int param; -+}; -+ -+extern const char *get_orig_decl_name(const_tree decl); -+extern bool is_size_overflow_asm(const_gimple stmt); -+extern void print_missing_function(next_interesting_function_t node); -+extern const struct size_overflow_hash *get_size_overflow_hash_entry_tree(const_tree fndecl, unsigned int argnum); -+extern unsigned int find_arg_number_tree(const_tree arg, const_tree func); -+extern unsigned int get_decl_hash(const_tree decl, const char *decl_name); -+extern const struct size_overflow_hash *get_size_overflow_hash_entry(unsigned int hash, const char *decl_name, unsigned int argnum); -+ -+ -+// intentional_overflow.c -+extern tree get_size_overflow_asm_input(const gasm *stmt); -+extern enum intentional_mark check_intentional_asm(const_gimple stmt, unsigned int argnum); -+extern bool is_size_overflow_insert_check_asm(const gasm *stmt); -+extern enum intentional_mark check_intentional_attribute(const_gimple stmt, unsigned int argnum); -+extern enum intentional_mark get_so_asm_type(const_gimple stmt); -+extern const_tree get_attribute(const char* attr_name, const_tree decl); -+extern bool is_a_cast_and_const_overflow(const_tree no_const_rhs); -+extern bool is_const_plus_unsigned_signed_truncation(const_tree lhs); -+extern bool is_a_constant_overflow(const gassign *stmt, const_tree rhs); -+extern tree handle_intentional_overflow(struct visited *visited, bool check_overflow, gassign *stmt, tree change_rhs, tree new_rhs2); -+extern tree handle_integer_truncation(struct visited *visited, const_tree lhs); -+extern bool is_a_neg_overflow(const gassign *stmt, const_tree rhs); -+extern enum intentional_overflow_type add_mul_intentional_overflow(const gassign *stmt); -+extern void unsigned_signed_cast_intentional_overflow(struct visited *visited, gassign *stmt); -+ -+ -+// insert_size_overflow_asm.c -+#if BUILDING_GCC_VERSION >= 4009 -+extern opt_pass *make_insert_size_overflow_asm_pass(void); -+#else -+extern struct opt_pass *make_insert_size_overflow_asm_pass(void); -+#endif -+extern bool search_interesting_args(tree fndecl, bool *argnums); -+ -+ -+// misc.c -+extern unsigned int get_correct_argnum_fndecl(const_tree fndecl, const_tree correct_argnum_of_fndecl, unsigned int num); -+extern const char *get_type_name_from_field(const_tree field_decl); -+extern void set_dominance_info(void); -+extern void unset_dominance_info(void); -+extern tree get_interesting_orig_fndecl_from_stmt(const gcall *stmt); -+extern tree get_orig_fndecl(const_tree clone_fndecl); -+extern unsigned int get_correct_argnum(const_tree decl, const_tree correct_argnum_of_decl, unsigned int argnum); -+extern bool is_valid_cgraph_node(struct cgraph_node *node); -+extern void set_current_function_decl(tree fndecl); -+extern void unset_current_function_decl(void); -+extern gimple get_def_stmt(const_tree node); -+extern tree create_new_var(tree type); -+extern gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force); -+extern bool skip_types(const_tree var); -+extern tree cast_a_tree(tree type, tree var); -+extern bool is_size_overflow_type(const_tree var); -+extern bool made_by_compiler(const_tree decl); -+extern gimple get_fnptr_def_stmt(const_tree fn_ptr); -+extern tree get_lhs(const_gimple stmt); -+ -+ -+// size_overflow_transform.c -+extern unsigned int size_overflow_transform(struct cgraph_node *node); -+extern tree handle_fnptr_assign(const_gimple stmt); -+ -+ -+// size_overflow_transform_core.c -+extern tree expand(struct visited *visited, tree lhs); -+extern void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before); -+extern tree dup_assign(struct visited *visited, gassign *oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3); -+extern tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before); -+ -+ -+// remove_unnecessary_dup.c -+extern struct opt_pass *make_remove_unnecessary_dup_pass(void); -+extern void insert_cast_expr(struct visited *visited, gassign *stmt, enum intentional_overflow_type type); -+extern bool skip_expr_on_double_type(const gassign *stmt); -+extern void create_up_and_down_cast(struct visited *visited, gassign *use_stmt, tree orig_type, tree rhs); -+ -+ -+// size_overflow_ipa.c -+extern void add_to_global_next_interesting_function(next_interesting_function_t new_entry); -+extern bool has_next_interesting_function_vec(next_interesting_function_t parent, next_interesting_function_t child); -+extern void push_child(next_interesting_function_t parent, next_interesting_function_t child); -+extern struct cgraph_node *get_cnode(const_tree fndecl); -+extern next_interesting_function_t global_next_interesting_function[GLOBAL_NIFN_LEN]; -+extern next_interesting_function_t get_global_next_interesting_function_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked); -+extern next_interesting_function_t get_global_next_interesting_function_entry_with_hash(const_tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked); -+extern void size_overflow_register_hooks(void); -+#if BUILDING_GCC_VERSION >= 4009 -+extern opt_pass *make_size_overflow_functions_pass(void); -+#else -+extern struct opt_pass *make_size_overflow_functions_pass(void); -+#endif -+extern void size_overflow_node_removal_hook(struct cgraph_node *node, void *data); -+extern next_interesting_function_t get_and_create_next_node_from_global_next_nodes(tree decl, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+extern next_interesting_function_t create_new_next_interesting_decl(tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+extern next_interesting_function_t create_new_next_interesting_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+ -+ -+// size_overflow_lto.c -+extern void size_overflow_read_summary_lto(void); -+#if BUILDING_GCC_VERSION >= 4008 -+extern void size_overflow_write_summary_lto(void); -+#elif BUILDING_GCC_VERSION >= 4006 -+extern void size_overflow_write_summary_lto(cgraph_node_set set, varpool_node_set vset); -+#else -+extern void size_overflow_write_summary_lto(cgraph_node_set set); -+#endif -+ -+// size_overflow_fnptrs.c -+extern next_interesting_function_t handle_function_ptr_ret(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree fn_ptr); -+extern void check_local_variables(next_interesting_function_t next_node); -+extern void check_global_variables(next_interesting_function_t cur_global); -+extern next_interesting_function_t get_and_create_next_node_from_global_next_nodes_fnptr(const_tree fn_ptr, unsigned int num, enum size_overflow_mark marked); -+ -+ -+// size_overflow_debug.c -+extern void __unused print_intentional_mark(enum intentional_mark mark); -+extern unsigned int __unused size_overflow_dump_function(FILE *file, struct cgraph_node *node); -+extern void __unused print_next_interesting_functions_chain(next_interesting_function_t head, bool only_this); -+extern void __unused print_global_next_interesting_functions(void); -+extern void __unused print_children_chain_list(next_interesting_function_t next_node); -+extern void __unused print_all_next_node_children_chain_list(next_interesting_function_t next_node); -+extern const char * __unused print_so_mark_name(enum size_overflow_mark mark); -+ -+#endif -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_debug.c b/tools/gcc/size_overflow_plugin/size_overflow_debug.c -new file mode 100644 -index 0000000..b8e7188 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_debug.c -@@ -0,0 +1,164 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+void __unused print_intentional_mark(enum intentional_mark mark) -+{ -+ fprintf(stderr, "intentional mark: "); -+ switch (mark) { -+ case MARK_NO: -+ fprintf(stderr, "mark_no\n"); -+ break; -+ case MARK_YES: -+ fprintf(stderr, "mark_yes\n"); -+ break; -+ case MARK_TURN_OFF: -+ fprintf(stderr, "mark_turn_off\n"); -+ break; -+ case MARK_END_INTENTIONAL: -+ fprintf(stderr, "mark_end_intentional\n"); -+ break; -+ } -+} -+ -+unsigned int __unused size_overflow_dump_function(FILE *file, struct cgraph_node *node) -+{ -+ basic_block bb; -+ -+ fprintf(file, "dump_function function_name: %s\n", cgraph_node_name(node)); -+ -+ fprintf(file, "\nstmts:\n"); -+ FOR_ALL_BB_FN(bb, DECL_STRUCT_FUNCTION(NODE_DECL(node))) { -+ gimple_stmt_iterator si; -+ -+ fprintf(file, "<bb %u>:\n", bb->index); -+ for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si)) -+ print_gimple_stmt(file, gsi_stmt(si), 0, TDF_VOPS|TDF_MEMSYMS); -+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si)) -+ print_gimple_stmt(file, gsi_stmt(si), 0, TDF_VOPS|TDF_MEMSYMS); -+ fprintf(file, "\n"); -+ } -+ -+ fprintf(file, "---------------------------------\n"); -+ -+ return 0; -+} -+ -+static void __unused print_next_interesting_function(next_interesting_function_t node) -+{ -+ unsigned int i; -+ next_interesting_function_t cur; -+ -+ if (!node) -+ return; -+ -+ fprintf(stderr, "print_next_interesting_function: ptr: %p, ", node); -+ fprintf(stderr, "decl_name: %s, ", node->decl_name); -+ -+ fprintf(stderr, "num: %u marked: %s context: %s\n", node->num, print_so_mark_name(node->marked), node->context); -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, node->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, node->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(node->children, i, cur) { -+#endif -+ fprintf(stderr, "\t%u. child: %s %u %p\n", i + 1, cur->decl_name, cur->num, cur); -+ } -+} -+ -+// Dump the full next_interesting_function_t list for parsing by print_dependecy.py -+void __unused print_next_interesting_functions_chain(next_interesting_function_t head, bool only_this) -+{ -+ next_interesting_function_t cur; -+ unsigned int len; -+ -+ fprintf(stderr, "----------------------\nnext_interesting_function_t head: %p\n", head); -+ for (cur = head, len = 0; cur; cur = cur->next, len++) { -+ fprintf(stderr, "%u. ", len + 1); -+ print_next_interesting_function(cur); -+ -+ fprintf(stderr, "+++++ has orig node: %p +++++\n", cur->orig_next_node); -+ print_next_interesting_function(cur->orig_next_node); -+ -+ if (only_this) -+ break; -+ } -+ -+ fprintf(stderr, "len: %u\n----------------------\n\n\n", len + 1); -+} -+ -+void __unused print_global_next_interesting_functions(void) -+{ -+ unsigned int i; -+ -+ fprintf(stderr, "----------------------\nprint_global_next_interesting_functions:\n----------------------\n"); -+ for (i = 0; i < GLOBAL_NIFN_LEN; i++) { -+ if (!global_next_interesting_function[i]) -+ continue; -+ fprintf(stderr, "hash: %u\n", i); -+ print_next_interesting_functions_chain(global_next_interesting_function[i], false); -+ } -+ fprintf(stderr, "----------------------\n\n"); -+} -+ -+// Dump the information related to the specified next_interesting_function_t for parsing by print_dependecy.py -+void __unused print_children_chain_list(next_interesting_function_t next_node) -+{ -+ next_interesting_function_t cur; -+ unsigned int i; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, next_node->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, next_node->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(next_node->children, i, cur) { -+#endif -+ fprintf(stderr, "parent: %s %u (marked: %s) child: %s %u\n", next_node->decl_name, next_node->num, print_so_mark_name(next_node->marked), cur->decl_name, cur->num); -+ print_children_chain_list(cur); -+ } -+} -+ -+void __unused print_all_next_node_children_chain_list(next_interesting_function_t head) -+{ -+ next_interesting_function_t cur; -+ -+ for (cur = head; cur; cur = cur->next) { -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, cur->children)) -+#else -+ if (vec_safe_length(cur->children) == 0) -+#endif -+ continue; -+ fprintf(stderr, "############ START ############\n"); -+ print_children_chain_list(cur); -+ fprintf(stderr, "############ END ############\n"); -+ } -+} -+ -+const char * __unused print_so_mark_name(enum size_overflow_mark mark) -+{ -+ if (mark == ASM_STMT_SO_MARK) -+ return "asm_stmt_so_mark"; -+ if (mark == YES_SO_MARK) -+ return "yes_so_mark"; -+ return "no_so_mark"; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_hash.data b/tools/gcc/size_overflow_plugin/size_overflow_hash.data -new file mode 100644 -index 0000000..ed2d97b ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_hash.data -@@ -0,0 +1,28385 @@ -+intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL nohasharray -+iwl_set_tx_power_1 iwl_set_tx_power 0 1 &intel_fake_agp_alloc_by_type_1 -+ocfs2_get_refcount_tree_3 ocfs2_get_refcount_tree 0 3 NULL -+phy_read_mmd_4 phy_read_mmd 0 4 NULL -+smsc95xx_mdio_read_10 smsc95xx_mdio_read 0 10 NULL -+ext3_writeback_write_end_11 ext3_writeback_write_end 5-0 11 NULL -+show_ioc_guid_17 show_ioc_guid 0 17 NULL -+lpfc_topology_show_18 lpfc_topology_show 0 18 NULL nohasharray -+chassis_clear_18 chassis_clear 0-4 18 &lpfc_topology_show_18 -+mmc_sdio_init_card_20 mmc_sdio_init_card 0 20 NULL -+storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL -+compat_sock_setsockopt_23 compat_sock_setsockopt 5 23 NULL -+rio_disc_mport_26 rio_disc_mport 0 26 NULL -+carl9170_alloc_27 carl9170_alloc 1 27 NULL -+target_core_dev_wwn_show_attr_vpd_unit_serial_33 target_core_dev_wwn_show_attr_vpd_unit_serial 0 33 NULL -+show_ipv4_iface_dhcp_dns_address_en_34 show_ipv4_iface_dhcp_dns_address_en 0 34 NULL -+eeprom_93xx46_ew_42 eeprom_93xx46_ew 0 42 NULL -+atl1e_phy_commit_44 atl1e_phy_commit 0 44 NULL -+iwlagn_rxon_connect_53 iwlagn_rxon_connect 0 53 NULL -+padzero_55 padzero 1 55 NULL nohasharray -+sel_read_policyvers_55 sel_read_policyvers 3-0 55 &padzero_55 nohasharray -+ext3_xattr_security_list_55 ext3_xattr_security_list 0-5 55 &sel_read_policyvers_55 -+cfg80211_disconnected_57 cfg80211_disconnected 4 57 NULL -+tps65910_rtc_alarm_irq_enable_59 tps65910_rtc_alarm_irq_enable 0 59 NULL -+lp3971_ldo_enable_63 lp3971_ldo_enable 0 63 NULL nohasharray -+lxfb_check_var_63 lxfb_check_var 0 63 &lp3971_ldo_enable_63 -+__skb_to_sgvec_72 __skb_to_sgvec 0 72 NULL -+_nfs41_test_stateid_76 _nfs41_test_stateid 0 76 NULL -+gadget_strings_product_store_78 gadget_strings_product_store 0-3 78 NULL -+ocfs2_remove_btree_range_81 ocfs2_remove_btree_range 0 81 NULL -+write_file_tpc_86 write_file_tpc 3-0 86 NULL nohasharray -+uwb_dev_LQE_show_86 uwb_dev_LQE_show 0 86 &write_file_tpc_86 -+snd_korg1212_copy_to_92 snd_korg1212_copy_to 6 92 NULL -+load_msg_95 load_msg 2 95 NULL -+bnx2_reset_chip_101 bnx2_reset_chip 0 101 NULL -+fat_statfs_102 fat_statfs 0 102 NULL -+ov9650_set_hvflip_105 ov9650_set_hvflip 0 105 NULL -+nilfs_direct_insert_106 nilfs_direct_insert 0 106 NULL -+af9015_ctrl_msg_107 af9015_ctrl_msg 0 107 NULL -+device_flush_iotlb_115 device_flush_iotlb 2-3 115 NULL -+ipath_verbs_send_117 ipath_verbs_send 3-5 117 NULL -+nilfs_transaction_commit_119 nilfs_transaction_commit 0 119 NULL -+_rtl_prep_rx_urb_122 _rtl_prep_rx_urb 0 122 NULL -+wl1273_fm_stop_125 wl1273_fm_stop 0 125 NULL -+smack_syslog_126 smack_syslog 0 126 NULL -+init_q_132 init_q 4 132 NULL -+btrfs_setxattr_135 btrfs_setxattr 0 135 NULL -+xfs_inobt_free_block_139 xfs_inobt_free_block 0 139 NULL -+memstick_alloc_host_142 memstick_alloc_host 1 142 NULL -+gfs2_glock_get_147 gfs2_glock_get 0 147 NULL nohasharray -+st_magn_buffer_predisable_147 st_magn_buffer_predisable 0 147 &gfs2_glock_get_147 -+wusb_dev_4way_handshake_150 wusb_dev_4way_handshake 0 150 NULL -+ping_v6_sendmsg_152 ping_v6_sendmsg 4-0 152 NULL -+scsi_dh_handler_attach_153 scsi_dh_handler_attach 0 153 NULL nohasharray -+tracing_trace_options_write_153 tracing_trace_options_write 3 153 &scsi_dh_handler_attach_153 -+set_max_uV_156 set_max_uV 0-4 156 NULL -+cm_suspend_prepare_161 cm_suspend_prepare 0 161 NULL -+pci_request_selected_regions_169 pci_request_selected_regions 0 169 NULL -+pvr2_buffer_queue_181 pvr2_buffer_queue 0 181 NULL nohasharray -+rtl_op_add_interface_181 rtl_op_add_interface 0 181 &pvr2_buffer_queue_181 -+iscsi_nacl_auth_show_authenticate_target_183 iscsi_nacl_auth_show_authenticate_target 0 183 NULL -+tda18212_get_if_frequency_185 tda18212_get_if_frequency 0 185 NULL -+ds2780_store_eeprom_188 ds2780_store_eeprom 0 188 NULL -+xfs_buf_item_get_format_189 xfs_buf_item_get_format 2 189 NULL -+xfs_bmap_btalloc_192 xfs_bmap_btalloc 0 192 NULL nohasharray -+max8998_rtc_stop_alarm_192 max8998_rtc_stop_alarm 0 192 &xfs_bmap_btalloc_192 -+iscsi_session_setup_196 iscsi_session_setup 5-4 196 NULL -+palmas_write_197 palmas_write 0 197 NULL -+nes_inetaddr_event_198 nes_inetaddr_event 0 198 NULL -+obd_proc_jobid_var_seq_write_199 obd_proc_jobid_var_seq_write 3 199 NULL -+dbg_leb_map_204 dbg_leb_map 0 204 NULL -+owned_show_208 owned_show 0 208 NULL -+create_bind_cap_vol_ctl_209 create_bind_cap_vol_ctl 0 209 NULL -+store_cpufv_215 store_cpufv 0-4 215 NULL -+snd_cx18_pcm_prepare_219 snd_cx18_pcm_prepare 0 219 NULL nohasharray -+target_stat_scsi_auth_intr_show_attr_write_mbytes_219 target_stat_scsi_auth_intr_show_attr_write_mbytes 0 219 &snd_cx18_pcm_prepare_219 -+mt9m111_set_autowhitebalance_221 mt9m111_set_autowhitebalance 0 221 NULL -+__gfs2_setattr_simple_228 __gfs2_setattr_simple 0 228 NULL -+shdma_init_232 shdma_init 3 232 NULL -+aux1_show_233 aux1_show 0 233 NULL -+class_pktcdvd_store_remove_235 class_pktcdvd_store_remove 0-4 235 NULL -+netlbl_unlhsh_remove_237 netlbl_unlhsh_remove 0 237 NULL -+usb_pcwd_notify_sys_241 usb_pcwd_notify_sys 0 241 NULL -+ore_write_243 ore_write 0 243 NULL -+ac_read_244 ac_read 0-3 244 NULL -+vlan_proc_add_dev_245 vlan_proc_add_dev 0 245 NULL -+ll_xattr_cache_seq_write_250 ll_xattr_cache_seq_write 3 250 NULL -+vpdma_create_desc_list_255 vpdma_create_desc_list 2 255 NULL -+rt73usb_enable_radio_258 rt73usb_enable_radio 0 258 NULL -+sctp_assoc_set_bind_addr_from_ep_263 sctp_assoc_set_bind_addr_from_ep 0 263 NULL -+setup_stream_272 setup_stream 0 272 NULL nohasharray -+mxl111sf_ctrl_msg_272 mxl111sf_ctrl_msg 0 272 &setup_stream_272 nohasharray -+mpls_dev_sysctl_register_272 mpls_dev_sysctl_register 0 272 &mxl111sf_ctrl_msg_272 -+xfs_dabuf_map_277 xfs_dabuf_map 0 277 NULL -+lp855x_get_chip_id_278 lp855x_get_chip_id 0 278 NULL nohasharray -+iscsi_tpg_attrib_show_demo_mode_write_protect_278 iscsi_tpg_attrib_show_demo_mode_write_protect 0 278 &lp855x_get_chip_id_278 -+print_cpu_modalias_279 print_cpu_modalias 0 279 NULL -+bdx_change_mtu_282 bdx_change_mtu 0 282 NULL -+netdev_get_sset_count_286 netdev_get_sset_count 0 286 NULL -+read_file_war_stats_292 read_file_war_stats 3-0 292 NULL -+ipvlan_open_298 ipvlan_open 0 298 NULL -+grgpio_to_irq_300 grgpio_to_irq 2 300 NULL nohasharray -+sctp_make_control_300 sctp_make_control 4 300 &grgpio_to_irq_300 -+pin_configs_show_303 pin_configs_show 0 303 NULL -+SYSC_connect_304 SYSC_connect 3 304 NULL -+tipc_skb_tailroom_305 tipc_skb_tailroom 0 305 NULL -+syslog_print_307 syslog_print 2-0 307 NULL -+iscsi_stat_instance_show_attr_nodes_309 iscsi_stat_instance_show_attr_nodes 0 309 NULL -+platform_device_add_data_310 platform_device_add_data 3-0 310 NULL -+wl1251_cmd_interrogate_311 wl1251_cmd_interrogate 0 311 NULL -+dn_setsockopt_314 dn_setsockopt 5-0 314 NULL -+next_bitstream_show_315 next_bitstream_show 0 315 NULL nohasharray -+cpumask_parselist_user_315 cpumask_parselist_user 0 315 &next_bitstream_show_315 -+nilfs_btree_last_key_316 nilfs_btree_last_key 0 316 NULL -+batadv_interface_open_321 batadv_interface_open 0 321 NULL -+snd_seq_delete_port_322 snd_seq_delete_port 0 322 NULL -+show_tabletMouseLeft_325 show_tabletMouseLeft 0 325 NULL -+ath9k_wmi_cmd_327 ath9k_wmi_cmd 4-0 327 NULL -+ceph_sync_read_328 ceph_sync_read 0 328 NULL nohasharray -+show_ipv6_iface_nd_stale_tmo_328 show_ipv6_iface_nd_stale_tmo 0 328 &ceph_sync_read_328 -+btrfs_calc_avail_data_space_329 btrfs_calc_avail_data_space 0 329 NULL -+map_urb_for_dma_332 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snd_seq_kernel_client_enqueue_blocking 0 1604 NULL -+__uncore_match_show_1606 __uncore_match_show 0 1606 NULL nohasharray -+disabled_store_1606 disabled_store 0-4 1606 &__uncore_match_show_1606 -+packet_buffer_init_1607 packet_buffer_init 2 1607 NULL -+btmrvl_hscmd_read_1614 btmrvl_hscmd_read 3-0 1614 NULL -+wl1271_ap_init_deauth_template_1617 wl1271_ap_init_deauth_template 0 1617 NULL -+v9fs_fid_xattr_get_1618 v9fs_fid_xattr_get 0 1618 NULL -+jfs_write_inode_1620 jfs_write_inode 0 1620 NULL -+zd_read_regdomain_1622 zd_read_regdomain 0 1622 NULL -+beiscsi_get_initname_1629 beiscsi_get_initname 0 1629 NULL -+ip_tunnel_init_1633 ip_tunnel_init 0 1633 NULL -+rsb_insert_1636 rsb_insert 0 1636 NULL nohasharray -+inv_fifo_rate_show_1636 inv_fifo_rate_show 0 1636 &rsb_insert_1636 -+cifs_write_end_1643 cifs_write_end 0-5 1643 NULL -+qla24xx_84xx_fw_version_show_1644 qla24xx_84xx_fw_version_show 0 1644 NULL -+iwl_pcie_set_hw_ready_1649 iwl_pcie_set_hw_ready 0 1649 NULL -+set_sample_rate_v1_1651 set_sample_rate_v1 0 1651 NULL -+tpm_send_1655 tpm_send 0-3 1655 NULL -+ikconfig_read_current_1658 ikconfig_read_current 3-0 1658 NULL -+map_block_for_writepage_1662 map_block_for_writepage 0 1662 NULL nohasharray -+bh1770_lux_update_thresholds_1662 bh1770_lux_update_thresholds 0 1662 &map_block_for_writepage_1662 -+mei_cl_recv_1665 mei_cl_recv 3 1665 NULL -+nct6775_create_attr_group_1677 nct6775_create_attr_group 3 1677 NULL -+o2hb_region_blocks_read_1679 o2hb_region_blocks_read 0 1679 NULL -+hso_net_open_1680 hso_net_open 0 1680 NULL nohasharray -+amd_iommu_suspend_1680 amd_iommu_suspend 0 1680 &hso_net_open_1680 -+__qib_get_user_pages_1681 __qib_get_user_pages 0 1681 NULL nohasharray -+ath10k_station_disassoc_1681 ath10k_station_disassoc 0 1681 &__qib_get_user_pages_1681 -+ath10k_bmi_lz_data_1682 ath10k_bmi_lz_data 0 1682 NULL nohasharray -+niu_compute_rbr_cfig_b_1682 niu_compute_rbr_cfig_b 0 1682 &ath10k_bmi_lz_data_1682 -+configfs_read_file_1683 configfs_read_file 3-0 1683 NULL -+irst_store_wakeup_events_1684 irst_store_wakeup_events 0-4 1684 NULL -+rio_enum_mport_1685 rio_enum_mport 0 1685 NULL -+nilfs_palloc_count_max_entries_1687 nilfs_palloc_count_max_entries 0 1687 NULL -+tps65217_pmic_enable_1688 tps65217_pmic_enable 0 1688 NULL -+em25xx_bus_B_recv_bytes_1689 em25xx_bus_B_recv_bytes 0-4 1689 NULL nohasharray -+ssp_check_lines_1689 ssp_check_lines 0 1689 &em25xx_bus_B_recv_bytes_1689 -+lpfc_max_rpi_show_1691 lpfc_max_rpi_show 0 1691 NULL -+ipr_store_iopoll_weight_1694 ipr_store_iopoll_weight 0-4 1694 NULL -+iscsit_na_nopin_timeout_1695 iscsit_na_nopin_timeout 0 1695 NULL -+enable_irq_1698 enable_irq 0 1698 NULL nohasharray -+dlm_control_store_1698 dlm_control_store 0-3 1698 &enable_irq_1698 -+iwl_dbgfs_d0i3_refs_read_1705 iwl_dbgfs_d0i3_refs_read 3-0 1705 NULL -+pdu_write_u_1710 pdu_write_u 3 1710 NULL -+coda_psdev_write_1711 coda_psdev_write 3-0 1711 NULL -+btrfs_dir_data_len_1714 btrfs_dir_data_len 0 1714 NULL -+udf_setattr_1716 udf_setattr 0 1716 NULL -+ufx_blank_1723 ufx_blank 0 1723 NULL -+mp_pin_to_gsi_1726 mp_pin_to_gsi 0-2 1726 NULL -+internal_create_group_1733 internal_create_group 0 1733 NULL -+dev_irnet_read_1741 dev_irnet_read 3-0 1741 NULL -+usb_ep_align_maybe_1743 usb_ep_align_maybe 0-3 1743 NULL -+tx_frag_called_read_1748 tx_frag_called_read 3-0 1748 NULL -+br_vlan_init_1752 br_vlan_init 0 1752 NULL nohasharray -+fm10k_setup_rx_resources_1752 fm10k_setup_rx_resources 0 1752 &br_vlan_init_1752 -+bfs_write_inode_1755 bfs_write_inode 0 1755 NULL -+nobh_writepage_1757 nobh_writepage 0 1757 NULL -+ieee80211_new_mesh_header_1761 ieee80211_new_mesh_header 0 1761 NULL -+start_transport_1762 start_transport 0 1762 NULL -+ebt_size_mwt_1768 ebt_size_mwt 0 1768 NULL -+__mlx4_qp_reserve_range_1773 __mlx4_qp_reserve_range 3-0 1773 NULL -+cosa_write_1774 cosa_write 3 1774 NULL -+set_temp_emergency_1776 set_temp_emergency 0-4 1776 NULL -+event_show_1780 event_show 0 1780 NULL -+tpacpi_driver_wlsw_emulstate_store_1783 tpacpi_driver_wlsw_emulstate_store 0-3 1783 NULL -+usb_dmac_desc_alloc_1792 usb_dmac_desc_alloc 2 1792 NULL -+fcoe_ctlr_device_add_1793 fcoe_ctlr_device_add 3 1793 NULL -+ueth_change_mtu_1794 ueth_change_mtu 0 1794 NULL -+show_auto_fan_1801 show_auto_fan 0 1801 NULL -+qlcnic_sriov_alloc_bc_mbx_args_1809 qlcnic_sriov_alloc_bc_mbx_args 0 1809 NULL -+vt596_access_1815 vt596_access 0 1815 NULL -+cyapa_get_state_1817 cyapa_get_state 0 1817 NULL -+sta_aid_read_1819 sta_aid_read 3-0 1819 NULL -+genfs_read_1821 genfs_read 0 1821 NULL -+vicam_set_camera_power_1824 vicam_set_camera_power 0 1824 NULL -+set_lcd_brightness_1831 set_lcd_brightness 0 1831 NULL -+disk_events_poll_msecs_store_1832 disk_events_poll_msecs_store 0-4 1832 NULL -+qla27xx_fwdt_template_default_size_1836 qla27xx_fwdt_template_default_size 0 1836 NULL -+qlcnic_get_phys_port_id_1839 qlcnic_get_phys_port_id 0 1839 NULL -+subsystem_device_show_1840 subsystem_device_show 0 1840 NULL -+show_1841 show 0 1841 NULL -+usbduxsigma_firmware_upload_1843 usbduxsigma_firmware_upload 3 1843 NULL -+fm10k_iov_configure_1845 fm10k_iov_configure 0-2 1845 NULL -+ov9650_set_auto_white_balance_1847 ov9650_set_auto_white_balance 0 1847 NULL -+xfs_vm_write_end_1854 xfs_vm_write_end 5-0 1854 NULL -+bq32k_rtc_read_time_1863 bq32k_rtc_read_time 0 1863 NULL -+device_prepare_1870 device_prepare 0 1870 NULL -+qlcnic_config_port_mirroring_1872 qlcnic_config_port_mirroring 0 1872 NULL -+rds_cong_monitor_1879 rds_cong_monitor 0 1879 NULL -+sb_issue_zeroout_1884 sb_issue_zeroout 3 1884 NULL -+show_fcoe_fcf_device_fabric_name_1885 show_fcoe_fcf_device_fabric_name 0 1885 NULL -+output_read_1886 output_read 0-5-6 1886 NULL -+acpi_device_update_power_1887 acpi_device_update_power 0 1887 NULL -+polling_interval_store_1888 polling_interval_store 0-4 1888 NULL -+write_1891 write 0 1891 NULL -+show_pwm_auto_point1_pwm_1896 show_pwm_auto_point1_pwm 0 1896 NULL -+rx_defrag_called_read_1897 rx_defrag_called_read 3-0 1897 NULL -+nfs_parse_server_name_1899 nfs_parse_server_name 2 1899 NULL -+smsc9420_ethtool_get_eeprom_len_1900 smsc9420_ethtool_get_eeprom_len 0 1900 NULL nohasharray -+SyS_add_key_1900 SyS_add_key 4 1900 &smsc9420_ethtool_get_eeprom_len_1900 -+pty_write_room_1904 pty_write_room 0 1904 NULL nohasharray -+gfs2_getxattr_1904 gfs2_getxattr 0 1904 &pty_write_room_1904 -+rs_sta_dbgfs_drv_tx_stats_write_1908 rs_sta_dbgfs_drv_tx_stats_write 0-3 1908 NULL -+isku_sysfs_write_keys_media_1910 isku_sysfs_write_keys_media 6-0-5 1910 NULL -+fst_open_1911 fst_open 0 1911 NULL -+cdc_ncm_show_wNdpOutPayloadRemainder_1917 cdc_ncm_show_wNdpOutPayloadRemainder 0 1917 NULL -+uhid_char_read_1920 uhid_char_read 3-0 1920 NULL -+pwc_s_ctrl_1924 pwc_s_ctrl 0 1924 NULL -+cxacru_sysfs_show_transmitter_power_1925 cxacru_sysfs_show_transmitter_power 0 1925 NULL nohasharray -+tcp_cgroup_reset_1925 tcp_cgroup_reset 0-3 1925 &cxacru_sysfs_show_transmitter_power_1925 -+tx_tx_retry_data_read_1926 tx_tx_retry_data_read 3-0 1926 NULL -+vlan_dev_set_mac_address_1927 vlan_dev_set_mac_address 0 1927 NULL -+kfd_cache_show_1929 kfd_cache_show 0 1929 NULL -+rio_read_config_1932 rio_read_config 0-6-5 1932 NULL nohasharray -+ecryptfs_fsync_1932 ecryptfs_fsync 0 1932 &rio_read_config_1932 nohasharray -+niu_enable_ldn_in_ldg_1932 niu_enable_ldn_in_ldg 0 1932 &ecryptfs_fsync_1932 -+bdev_erase_1933 bdev_erase 3 1933 NULL -+bnx2x_set_eth_mac_1936 bnx2x_set_eth_mac 0 1936 NULL -+gsp_receive_1939 gsp_receive 0-3 1939 NULL -+nvif_object_sclass_1940 nvif_object_sclass 3 1940 NULL nohasharray -+cyttsp_probe_1940 cyttsp_probe 4 1940 &nvif_object_sclass_1940 -+bcm7xxx_apd_enable_1942 bcm7xxx_apd_enable 0 1942 NULL nohasharray -+check_dyn_adc_switch_1942 check_dyn_adc_switch 0 1942 &bcm7xxx_apd_enable_1942 -+e100_get_sset_count_1943 e100_get_sset_count 0 1943 NULL -+ieee80211_if_fmt_dot11MeshConfirmTimeout_1945 ieee80211_if_fmt_dot11MeshConfirmTimeout 3 1945 NULL -+igb_open_1946 igb_open 0 1946 NULL -+i40e_vsi_setup_rx_resources_1947 i40e_vsi_setup_rx_resources 0 1947 NULL -+fcoe_vport_create_1948 fcoe_vport_create 0 1948 NULL -+max_readahead_show_1952 max_readahead_show 0 1952 NULL -+w1_ds2780_do_io_1954 w1_ds2780_do_io 4-3-0 1954 NULL -+update_qd_1955 update_qd 0 1955 NULL -+read_swap_header_1957 read_swap_header 0 1957 NULL -+b43legacy_wireless_core_start_1958 b43legacy_wireless_core_start 0 1958 NULL -+__assign_irq_vector_1961 __assign_irq_vector 0 1961 NULL -+show_session_param_ISCSI_PARAM_TGT_RESET_TMO_1963 show_session_param_ISCSI_PARAM_TGT_RESET_TMO 0 1963 NULL nohasharray -+ql_get_adapter_resources_1963 ql_get_adapter_resources 0 1963 &show_session_param_ISCSI_PARAM_TGT_RESET_TMO_1963 -+ivtv_v4l2_read_1964 ivtv_v4l2_read 3-0 1964 NULL nohasharray -+dvb_net_open_1964 dvb_net_open 0 1964 &ivtv_v4l2_read_1964 -+qla2xxx_get_vpd_field_1965 qla2xxx_get_vpd_field 4 1965 NULL -+nvkm_client_map_1967 nvkm_client_map 2-3 1967 NULL -+xgbe_set_mac_address_1968 xgbe_set_mac_address 0 1968 NULL -+bq2415x_get_current_limit_1969 bq2415x_get_current_limit 0 1969 NULL nohasharray -+cyapa_show_baseline_1969 cyapa_show_baseline 0 1969 &bq2415x_get_current_limit_1969 -+libcfs_sock_write_1978 libcfs_sock_write 3 1978 NULL -+selinux_inode_setotherxattr_1980 selinux_inode_setotherxattr 0 1980 NULL -+config_table_show_1982 config_table_show 0 1982 NULL -+__uncore_filter_nc_show_1983 __uncore_filter_nc_show 0 1983 NULL -+sel_read_avc_hash_stats_1984 sel_read_avc_hash_stats 3-0 1984 NULL -+proc_sys_setattr_1985 proc_sys_setattr 0 1985 NULL -+gpio_power_write_1991 gpio_power_write 3-0 1991 NULL -+__alloc_bootmem_node_1992 __alloc_bootmem_node 2 1992 NULL -+show_session_param_ISCSI_PARAM_ISID_2003 show_session_param_ISCSI_PARAM_ISID 0 2003 NULL nohasharray -+usb_sleep_charge_store_2003 usb_sleep_charge_store 0-4 2003 &show_session_param_ISCSI_PARAM_ISID_2003 -+adt7411_show_input_2009 adt7411_show_input 0 2009 NULL -+rx_rx_defrag_read_2010 rx_rx_defrag_read 3-0 2010 NULL -+snd_bt87x_start_2014 snd_bt87x_start 0 2014 NULL -+acpi_ex_create_power_resource_2015 acpi_ex_create_power_resource 0 2015 NULL -+msgdma_initialize_2017 msgdma_initialize 0 2017 NULL nohasharray -+dps0_insert_key_2017 dps0_insert_key 0-4 2017 &msgdma_initialize_2017 -+write_flush_pipefs_2021 write_flush_pipefs 3-0 2021 NULL -+show_otp5en_2024 show_otp5en 0 2024 NULL nohasharray -+__uncore_mask_rds_show_2024 __uncore_mask_rds_show 0 2024 &show_otp5en_2024 -+devm_ioremap_nocache_2036 devm_ioremap_nocache 2-3 2036 NULL -+ebitmap_read_2039 ebitmap_read 0 2039 NULL -+cifs_read_2041 cifs_read 0 2041 NULL -+ims_pcu_send_command_2046 ims_pcu_send_command 0 2046 NULL -+ath6kl_fwlog_mask_read_2050 ath6kl_fwlog_mask_read 3-0 2050 NULL -+atl1_get_sset_count_2051 atl1_get_sset_count 0 2051 NULL -+bq2415x_sysfs_show_registers_2055 bq2415x_sysfs_show_registers 0 2055 NULL -+show_speed_2057 show_speed 0 2057 NULL -+tpg_alloc_2062 tpg_alloc 2 2062 NULL -+ipath_manage_rcvq_2063 ipath_manage_rcvq 0 2063 NULL -+ledtrig_cpu_notify_2064 ledtrig_cpu_notify 0 2064 NULL -+nfs_proc_setattr_2065 nfs_proc_setattr 0 2065 NULL -+__generic_copy_from_user_intel_2073 __generic_copy_from_user_intel 0 2073 NULL -+tpacpi_driver_bluetooth_emulstate_store_2079 tpacpi_driver_bluetooth_emulstate_store 0-3 2079 NULL -+recover_callbacks_read_2080 recover_callbacks_read 0 2080 NULL -+iwl_dbgfs_current_sleep_command_read_2081 iwl_dbgfs_current_sleep_command_read 3-0 2081 NULL -+pwm_period_store_2082 pwm_period_store 0-4 2082 NULL -+nfs_statfs_2086 nfs_statfs 0 2086 NULL -+mptscsih_device_delay_show_2089 mptscsih_device_delay_show 0 2089 NULL -+max_luns_store_2090 max_luns_store 0-3 2090 NULL -+smbioslabel_show_2094 smbioslabel_show 0 2094 NULL nohasharray -+store_2094 store 0-3 2094 &smbioslabel_show_2094 -+xgmac_reg_value_read_2095 xgmac_reg_value_read 3-0 2095 NULL -+set_unlock_args_2096 set_unlock_args 0 2096 NULL nohasharray -+cdc_ncm_store_rx_max_2096 cdc_ncm_store_rx_max 0-4 2096 &set_unlock_args_2096 -+idetape_chrdev_read_2097 idetape_chrdev_read 3-0 2097 NULL nohasharray -+f2fs_attr_show_2097 f2fs_attr_show 0 2097 &idetape_chrdev_read_2097 -+audit_expand_2098 audit_expand 2-0 2098 NULL -+__set_print_fmt_2106 __set_print_fmt 0 2106 NULL -+iwl_dbgfs_log_event_read_2107 iwl_dbgfs_log_event_read 3-0 2107 NULL -+ecryptfs_encrypt_and_encode_filename_2109 ecryptfs_encrypt_and_encode_filename 6 2109 NULL -+isl1208_i2c_set_alarm_2113 isl1208_i2c_set_alarm 0 2113 NULL -+i8k_hwmon_show_pwm_2115 i8k_hwmon_show_pwm 0 2115 NULL nohasharray -+xfs_dir2_leafn_add_2115 xfs_dir2_leafn_add 0 2115 &i8k_hwmon_show_pwm_2115 -+btrfs_file_extent_inline_len_2116 btrfs_file_extent_inline_len 0 2116 NULL nohasharray -+store_temp_auto_base_2116 store_temp_auto_base 0-4 2116 &btrfs_file_extent_inline_len_2116 -+enable_read_2117 enable_read 3-0 2117 NULL nohasharray -+__find_xattr_2117 __find_xattr 6 2117 &enable_read_2117 -+nfs_file_fsync_commit_2119 nfs_file_fsync_commit 0 2119 NULL -+pcf50633_write_block_2124 pcf50633_write_block 2-3-0 2124 NULL -+snd_interval_refine_last_2127 snd_interval_refine_last 0 2127 NULL -+ad5398_disable_2128 ad5398_disable 0 2128 NULL -+ixgbe_get_eeprom_len_2130 ixgbe_get_eeprom_len 0 2130 NULL -+fill_input_pin_labels_2135 fill_input_pin_labels 0 2135 NULL -+show_therm_min_2140 show_therm_min 0 2140 NULL nohasharray -+target_stat_scsi_lu_attr_store_2140 target_stat_scsi_lu_attr_store 0 2140 &show_therm_min_2140 -+check_load_and_stores_2143 check_load_and_stores 2 2143 NULL -+mlx4_init_icm_table_2151 mlx4_init_icm_table 4-5 2151 NULL nohasharray -+multicast_query_response_interval_show_2151 multicast_query_response_interval_show 0 2151 &mlx4_init_icm_table_2151 -+iscsi_tpg_auth_store_userid_mutual_2152 iscsi_tpg_auth_store_userid_mutual 0-3 2152 NULL -+usb_udc_softconn_store_2153 usb_udc_softconn_store 0-4 2153 NULL -+__copy_to_user_ll_2157 __copy_to_user_ll 0 2157 NULL nohasharray -+_drbd_send_page_2157 _drbd_send_page 4 2157 &__copy_to_user_ll_2157 -+cluster_cluster_name_read_2160 cluster_cluster_name_read 0 2160 NULL -+dbg_check_inode_size_2165 dbg_check_inode_size 0 2165 NULL -+_ore_get_io_state_2166 _ore_get_io_state 5-4-3-0 2166 NULL -+rxrpc_preparse_s_2167 rxrpc_preparse_s 0 2167 NULL nohasharray -+rtsx_pci_transfer_data_2167 rtsx_pci_transfer_data 3 2167 &rxrpc_preparse_s_2167 -+show_fc_starget_node_name_2171 show_fc_starget_node_name 0 2171 NULL -+ore_read_2175 ore_read 0 2175 NULL -+intel_i2c_quirk_xfer_2183 intel_i2c_quirk_xfer 0-4 2183 NULL -+direction_output_2184 direction_output 0 2184 NULL -+ebt_nat_out_2185 ebt_nat_out 0 2185 NULL -+show_companion_2189 show_companion 0 2189 NULL -+target_core_alua_tg_pt_gp_store_attr_alua_support_active_nonoptimized_2190 target_core_alua_tg_pt_gp_store_attr_alua_support_active_nonoptimized 0-3 2190 NULL -+w1_f1C_fix_count_2191 w1_f1C_fix_count 0-2-1-3 2191 NULL -+bio_integrity_alloc_2194 bio_integrity_alloc 3 2194 NULL -+picolcd_debug_reset_write_2195 picolcd_debug_reset_write 3-0 2195 NULL -+wl1271_acx_init_mem_config_2199 wl1271_acx_init_mem_config 0 2199 NULL -+out_write_bytes_avail_show_2201 out_write_bytes_avail_show 0 2201 NULL -+ath10k_mac_txpower_recalc_2204 ath10k_mac_txpower_recalc 0 2204 NULL -+mcs_receive_start_2206 mcs_receive_start 0 2206 NULL -+ghash_final_2210 ghash_final 0 2210 NULL -+il_send_cmd_pdu_2216 il_send_cmd_pdu 0 2216 NULL -+ssb_bus_ssbbus_register_2217 ssb_bus_ssbbus_register 2 2217 NULL -+u32_array_read_2219 u32_array_read 3-0 2219 NULL nohasharray -+mei_dbgfs_read_meclients_2219 mei_dbgfs_read_meclients 3-0 2219 &u32_array_read_2219 nohasharray -+canon_copy_from_read_buf_2219 canon_copy_from_read_buf 0 2219 &mei_dbgfs_read_meclients_2219 -+fore200e_change_qos_2222 fore200e_change_qos 0 2222 NULL -+ceph_osdc_new_request_2226 ceph_osdc_new_request 7 2226 NULL -+iwl_wait_notification_2227 iwl_wait_notification 0 2227 NULL -+s5k4aa_set_brightness_2228 s5k4aa_set_brightness 0 2228 NULL -+rx8025_get_time_2231 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ocfs2_check_range_for_holes 0 5066 NULL -+__kmalloc_track_caller_5071 __kmalloc_track_caller 1 5071 NULL -+bonding_show_primary_5072 bonding_show_primary 0 5072 NULL -+sun4i_pwm_set_polarity_5079 sun4i_pwm_set_polarity 0 5079 NULL -+snd_mixart_BA1_read_5082 snd_mixart_BA1_read 5-0 5082 NULL -+get_fan_failure_5083 get_fan_failure 0 5083 NULL -+ssb_pci_read16_5084 ssb_pci_read16 0 5084 NULL -+hdmi_setup_stream_5087 hdmi_setup_stream 0 5087 NULL -+show_sas_rphy_device_type_5089 show_sas_rphy_device_type 0 5089 NULL -+get_random_bytes_5091 get_random_bytes 2 5091 NULL nohasharray -+kfifo_copy_from_user_5091 kfifo_copy_from_user 3-4 5091 &get_random_bytes_5091 -+set_pwm_auto_temp_5092 set_pwm_auto_temp 0-4 5092 NULL -+compr_fill_5093 compr_fill 2 5093 NULL -+zd_usb_enable_int_5095 zd_usb_enable_int 0 5095 NULL -+acpi_ex_create_alias_5097 acpi_ex_create_alias 0 5097 NULL nohasharray -+pppol2tp_setsockopt_5097 pppol2tp_setsockopt 0 5097 &acpi_ex_create_alias_5097 -+spectrum_cs_resume_5098 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-+ocfs2_inode_lock_full_nested_5148 ocfs2_inode_lock_full_nested 0 5148 NULL -+macb_get_regs_len_5149 macb_get_regs_len 0 5149 NULL -+quirks_show_5154 quirks_show 0 5154 NULL -+nfs4_wait_clnt_recover_5156 nfs4_wait_clnt_recover 0 5156 NULL -+o2net_recv_tcp_msg_5158 o2net_recv_tcp_msg 3 5158 NULL -+__uwb_addr_print_5161 __uwb_addr_print 2-0 5161 NULL -+get_auto_brightness_5169 get_auto_brightness 0 5169 NULL -+__az6007_write_5170 __az6007_write 0 5170 NULL -+iwl_dbgfs_status_read_5171 iwl_dbgfs_status_read 3-0 5171 NULL nohasharray -+o2hb_heartbeat_group_threshold_store_5171 o2hb_heartbeat_group_threshold_store 0-3 5171 &iwl_dbgfs_status_read_5171 -+acpi_pcc_get_sqty_5176 acpi_pcc_get_sqty 0 5176 NULL nohasharray -+target_stat_scsi_lu_show_attr_indx_5176 target_stat_scsi_lu_show_attr_indx 0 5176 &acpi_pcc_get_sqty_5176 -+datablob_parse_5177 datablob_parse 0 5177 NULL -+generate_smb3signingkey_5182 generate_smb3signingkey 0 5182 NULL -+sfi_map_memory_5183 sfi_map_memory 1-2 5183 NULL 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5218 &get_ep_param_5218 nohasharray -+target_fabric_tpg_auth_attr_show_5218 target_fabric_tpg_auth_attr_show 0 5218 &saa6752hs_init_5218 -+bpq_set_mac_address_5223 bpq_set_mac_address 0 5223 NULL -+ath6kl_debug_roam_tbl_event_5224 ath6kl_debug_roam_tbl_event 3 5224 NULL nohasharray -+reserve_mem_notifier_5224 reserve_mem_notifier 0 5224 &ath6kl_debug_roam_tbl_event_5224 -+atl1e_open_5226 atl1e_open 0 5226 NULL -+ssb_ioremap_5228 ssb_ioremap 2 5228 NULL -+wait_for_response_5229 wait_for_response 0 5229 NULL -+da9052_bat_read_volt_5230 da9052_bat_read_volt 0 5230 NULL -+show_ata_dev_ering_5233 show_ata_dev_ering 0 5233 NULL -+iwl_power_update_mode_5235 iwl_power_update_mode 0 5235 NULL -+isdn_ppp_skb_push_5236 isdn_ppp_skb_push 2 5236 NULL nohasharray -+cpuset_cpu_active_5236 cpuset_cpu_active 0 5236 &isdn_ppp_skb_push_5236 -+show_iface_delayed_ack_en_5240 show_iface_delayed_ack_en 0 5240 NULL nohasharray -+uwb_dev_LQE_store_5240 uwb_dev_LQE_store 0-4 5240 &show_iface_delayed_ack_en_5240 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-+alloc_cache_blocks_with_hash_5285 alloc_cache_blocks_with_hash 2 5285 NULL -+__smsc95xx_write_reg_5295 __smsc95xx_write_reg 0 5295 NULL -+snd_seq_ioctl_get_queue_tempo_5296 snd_seq_ioctl_get_queue_tempo 0 5296 NULL -+qla2x00_optrom_fcode_version_show_5297 qla2x00_optrom_fcode_version_show 0 5297 NULL -+lpfc_max_luns_show_5301 lpfc_max_luns_show 0 5301 NULL -+sco_sock_sendmsg_5302 sco_sock_sendmsg 3 5302 NULL -+metapage_readpage_5304 metapage_readpage 0 5304 NULL nohasharray -+alloc_dec_temp_buffers_5304 alloc_dec_temp_buffers 0 5304 &metapage_readpage_5304 nohasharray -+t4vf_write_rss_vi_config_5304 t4vf_write_rss_vi_config 0 5304 &alloc_dec_temp_buffers_5304 -+ks8842_open_5309 ks8842_open 0 5309 NULL -+_efx_mcdi_rpc_finish_5310 _efx_mcdi_rpc_finish 0 5310 NULL -+grow_inode_5311 grow_inode 0 5311 NULL -+r592_write_fifo_pio_5315 r592_write_fifo_pio 3 5315 NULL -+pep_sendmsg_5316 pep_sendmsg 3 5316 NULL -+sbc_get_write_same_sectors_5317 sbc_get_write_same_sectors 0 5317 NULL 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wm831x_rtc_setalarm 0 5447 NULL -+create_child_5449 create_child 0-4 5449 NULL -+add_host_show_5451 add_host_show 0 5451 NULL -+powerclamp_set_cur_state_5453 powerclamp_set_cur_state 0 5453 NULL -+qla4xxx_fw_state_show_5454 qla4xxx_fw_state_show 0 5454 NULL -+change_wakeup_protocol_5455 change_wakeup_protocol 0 5455 NULL -+cyapa_update_fw_store_5458 cyapa_update_fw_store 0-4 5458 NULL -+adm8211_add_interface_5459 adm8211_add_interface 0 5459 NULL nohasharray -+acpi_video_device_lcd_set_level_5459 acpi_video_device_lcd_set_level 0 5459 &adm8211_add_interface_5459 -+sfi_map_table_5462 sfi_map_table 1 5462 NULL -+xfs_efd_init_5463 xfs_efd_init 3 5463 NULL -+rt5677_gpio_direction_out_5468 rt5677_gpio_direction_out 0 5468 NULL nohasharray -+ll_xattr_cache_refill_5468 ll_xattr_cache_refill 0 5468 &rt5677_gpio_direction_out_5468 -+kernfs_fop_write_5471 kernfs_fop_write 3-0 5471 NULL nohasharray -+lm3530_led_enable_5471 lm3530_led_enable 0 5471 &kernfs_fop_write_5471 -+show_cpu_clock_5473 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NULL nohasharray -+gp2ap020a00f_buffer_postenable_8120 gp2ap020a00f_buffer_postenable 0 8120 &vsp1_video_queue_setup_8120 -+venus_lookup_8121 venus_lookup 4 8121 NULL -+start_recovery_write_8122 start_recovery_write 0-3 8122 NULL -+lm3533_als_set_threshold_8125 lm3533_als_set_threshold 0 8125 NULL -+snd_es1968_pcm_prepare_8126 snd_es1968_pcm_prepare 0 8126 NULL -+ieee80211_if_fmt_num_buffered_multicast_8127 ieee80211_if_fmt_num_buffered_multicast 3 8127 NULL -+acpi_ds_build_internal_object_8129 acpi_ds_build_internal_object 0 8129 NULL -+dlm_user_request_8131 dlm_user_request 0 8131 NULL nohasharray -+adp8860_bl_ambient_light_zone_store_8131 adp8860_bl_ambient_light_zone_store 0-4 8131 &dlm_user_request_8131 -+mcs_statistics_write_8132 mcs_statistics_write 0-3 8132 NULL -+next_signal_8135 next_signal 0 8135 NULL -+mt9m111_set_blue_balance_8136 mt9m111_set_blue_balance 0 8136 NULL -+mxt_check_bootloader_8143 mxt_check_bootloader 0 8143 NULL -+iwl_mvm_up_8144 iwl_mvm_up 0 8144 NULL 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NULL -+qib_ctxt_info_8173 qib_ctxt_info 0 8173 NULL -+kxtj9_set_poll_8177 kxtj9_set_poll 0-4 8177 NULL -+dma_map_area_8178 dma_map_area 3-2-5 8178 NULL -+ore_truncate_8181 ore_truncate 0 8181 NULL nohasharray -+mlx4_en_activate_tx_ring_8181 mlx4_en_activate_tx_ring 0 8181 &ore_truncate_8181 -+show_iface_max_burst_len_8182 show_iface_max_burst_len 0 8182 NULL -+hci_sock_recvmsg_8184 hci_sock_recvmsg 3 8184 NULL -+lp3943_update_bits_8185 lp3943_update_bits 0 8185 NULL -+ieee80211_if_fmt_dot11MeshHoldingTimeout_8187 ieee80211_if_fmt_dot11MeshHoldingTimeout 3 8187 NULL -+write_classid_8189 write_classid 0 8189 NULL -+rx_frame_errors_show_8192 rx_frame_errors_show 0 8192 NULL -+bq2415x_sysfs_set_timer_8199 bq2415x_sysfs_set_timer 0-4 8199 NULL -+bt_sock_wait_ready_8201 bt_sock_wait_ready 0 8201 NULL -+class_osdblk_list_8202 class_osdblk_list 0 8202 NULL -+target_stat_scsi_tgt_dev_show_attr_indx_8203 target_stat_scsi_tgt_dev_show_attr_indx 0 8203 NULL nohasharray 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s2io_get_sset_count 0 8277 NULL -+rproc_recovery_write_8281 rproc_recovery_write 3-0 8281 NULL -+write_file_dummy_8282 write_file_dummy 0-3 8282 NULL nohasharray -+wlan_store_8282 wlan_store 4-0 8282 &write_file_dummy_8282 -+tcp_listen_for_all_8285 tcp_listen_for_all 0 8285 NULL -+mlx5_core_create_mkey_8290 mlx5_core_create_mkey 0 8290 NULL -+rtl92d_download_fw_8295 rtl92d_download_fw 0 8295 NULL -+hotkey_wakeup_reason_show_8301 hotkey_wakeup_reason_show 0 8301 NULL -+setsockopt_8304 setsockopt 0 8304 NULL -+target_stat_scsi_lu_show_attr_lu_name_8305 target_stat_scsi_lu_show_attr_lu_name 0 8305 NULL -+qib_decode_7220_err_8315 qib_decode_7220_err 3 8315 NULL -+uevent_store_8319 uevent_store 0-4 8319 NULL -+ipwireless_send_packet_8328 ipwireless_send_packet 4 8328 NULL -+niu_set_tcam_key_8334 niu_set_tcam_key 0 8334 NULL -+amd_xgbe_phy_set_an_8336 amd_xgbe_phy_set_an 0 8336 NULL -+ip6_make_skb_8338 ip6_make_skb 4-5 8338 NULL nohasharray -+vsock_stream_setsockopt_8338 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smk_write_change_rule 3-0 8411 NULL -+atkbd_show_set_8414 atkbd_show_set 0 8414 NULL -+show_rc6_ms_8417 show_rc6_ms 0 8417 NULL -+alua_activate_8420 alua_activate 0 8420 NULL -+patch_atihdmi_8421 patch_atihdmi 0 8421 NULL -+keyspan_open_8429 keyspan_open 0 8429 NULL -+roccat_common2_sysfs_read_8431 roccat_common2_sysfs_read 6-0 8431 NULL -+capability_set_8433 capability_set 0-4 8433 NULL -+snd_usb_ctl_msg_8436 snd_usb_ctl_msg 8-0 8436 NULL -+irq_create_mapping_8437 irq_create_mapping 0-2 8437 NULL nohasharray -+nfs_sync_inode_8437 nfs_sync_inode 0 8437 &irq_create_mapping_8437 -+sk_stream_wait_memory_8438 sk_stream_wait_memory 0 8438 NULL -+generic_bin_search_8440 generic_bin_search 0 8440 NULL -+get_b_bus_req_8443 get_b_bus_req 0 8443 NULL -+lp3971_dcdc_enable_8444 lp3971_dcdc_enable 0 8444 NULL -+sl_init_8447 sl_init 0 8447 NULL -+wacom_btnimg7_store_8448 wacom_btnimg7_store 0-4 8448 NULL -+hugetlb_vmtruncate_8449 hugetlb_vmtruncate 0 8449 NULL -+l2cap_chan_connect_8450 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panel_power_on_show 0 8542 NULL nohasharray -+disarm_req_delay_8542 disarm_req_delay 0 8542 &panel_power_on_show_8542 -+asix_write_gpio_8552 asix_write_gpio 0 8552 NULL -+ax88172a_reset_8555 ax88172a_reset 0 8555 NULL -+profile_remove_8556 profile_remove 3-0 8556 NULL nohasharray -+show_pwm_interpolate_8556 show_pwm_interpolate 0 8556 &profile_remove_8556 nohasharray -+mask_and_set_register_interruptible_8556 mask_and_set_register_interruptible 0 8556 &show_pwm_interpolate_8556 -+tm6000_radio_s_ctrl_8559 tm6000_radio_s_ctrl 0 8559 NULL -+btrfs_submit_bio_hook_8560 btrfs_submit_bio_hook 0 8560 NULL nohasharray -+write_8560 write 0 8560 &btrfs_submit_bio_hook_8560 -+ixgb_open_8565 ixgb_open 0 8565 NULL -+set_volume_8569 set_volume 0 8569 NULL -+cache_slow_downcall_8570 cache_slow_downcall 2-0 8570 NULL -+mga_ioremap_8571 mga_ioremap 1-2 8571 NULL -+isr_dma0_done_read_8574 isr_dma0_done_read 3-0 8574 NULL nohasharray -+store_engine3_load_8574 store_engine3_load 0-4 8574 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crypto_sha512_finup 0 10555 NULL -+pm_qos_no_power_off_show_10556 pm_qos_no_power_off_show 0 10556 NULL -+ivtv_start_10559 ivtv_start 0 10559 NULL -+ipr_read_dump_10560 ipr_read_dump 0-5-6 10560 NULL -+dix_show_10568 dix_show 0 10568 NULL -+smb2_wait_mtu_credits_10573 smb2_wait_mtu_credits 0 10573 NULL -+ext4_write_begin_10576 ext4_write_begin 3-4-0 10576 NULL nohasharray -+lkfirst_show_10576 lkfirst_show 0 10576 &ext4_write_begin_10576 -+swsusp_write_10582 swsusp_write 0 10582 NULL -+read_usb_charge_10584 read_usb_charge 0 10584 NULL nohasharray -+set_cmci_disabled_10584 set_cmci_disabled 0-4 10584 &read_usb_charge_10584 -+selinux_inode_getxattr_10587 selinux_inode_getxattr 0 10587 NULL -+scrub_remap_extent_10588 scrub_remap_extent 2 10588 NULL nohasharray -+ds1685_rtc_sysfs_auxbatt_show_10588 ds1685_rtc_sysfs_auxbatt_show 0 10588 &scrub_remap_extent_10588 -+validate_buf_10589 validate_buf 0 10589 NULL -+set_in_max1_10590 set_in_max1 0-4 10590 NULL -+otp_read_10594 otp_read 5-4-2 10594 NULL -+alloc_sdma_10596 alloc_sdma 0 10596 NULL -+acpi_ds_create_bank_field_10598 acpi_ds_create_bank_field 0 10598 NULL -+em28xx_i2c_send_bytes_10601 em28xx_i2c_send_bytes 0-4 10601 NULL -+supply_map_read_file_10608 supply_map_read_file 3-0 10608 NULL -+nvkm_xtensa_create__10615 nvkm_xtensa_create_ 8 10615 NULL -+usb_8dev_cmd_open_10617 usb_8dev_cmd_open 0 10617 NULL nohasharray -+vxge_hw_vpath_mac_addr_add_10617 vxge_hw_vpath_mac_addr_add 0 10617 &usb_8dev_cmd_open_10617 -+ima_show_htable_violations_10619 ima_show_htable_violations 3-0 10619 NULL nohasharray -+migratepage_10619 migratepage 0 10619 &ima_show_htable_violations_10619 -+cxgb3_get_cpl_reply_skb_10620 cxgb3_get_cpl_reply_skb 2 10620 NULL -+de_refill_rx_10626 de_refill_rx 0 10626 NULL -+set_attr_mode_lsb_10628 set_attr_mode_lsb 0-4 10628 NULL -+alloc_coherent_10632 alloc_coherent 2 10632 NULL nohasharray -+cap_mask_show_10632 cap_mask_show 0 10632 &alloc_coherent_10632 nohasharray -+il4965_send_tx_power_10632 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b43_pio_init 0 10675 NULL -+ath9k_hw_process_ini_10682 ath9k_hw_process_ini 0 10682 NULL -+sdram_offsets_show_10683 sdram_offsets_show 0 10683 NULL -+aat2870_ldo_disable_10686 aat2870_ldo_disable 0 10686 NULL -+read_10690 read 0 10690 NULL -+edge_write_10692 edge_write 4-0 10692 NULL -+iap_get_mode_10694 iap_get_mode 0 10694 NULL -+__cached_dev_store_10695 __cached_dev_store 0-4 10695 NULL -+create_endpoint_and_queue_bulk_10698 create_endpoint_and_queue_bulk 0 10698 NULL -+ubi_wl_get_peb_10699 ubi_wl_get_peb 0 10699 NULL -+floppy_cmos_show_10701 floppy_cmos_show 0 10701 NULL -+selinux_inode_setxattr_10708 selinux_inode_setxattr 4-0 10708 NULL -+qla82xx_reset_chip_10709 qla82xx_reset_chip 0 10709 NULL -+bnad_mac_addr_set_locked_10710 bnad_mac_addr_set_locked 0 10710 NULL -+ovl_fill_lower_10712 ovl_fill_lower 3 10712 NULL -+rtl92cu_hw_init_10718 rtl92cu_hw_init 0 10718 NULL -+pvr2_ioread_read_10720 pvr2_ioread_read 3-0 10720 NULL nohasharray -+shash_async_setkey_10720 shash_async_setkey 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NULL -+send_command_10832 send_command 4-0 10832 NULL nohasharray -+pwm_enable_store_10832 pwm_enable_store 0-4 10832 &send_command_10832 -+lbs_sleepparams_read_10840 lbs_sleepparams_read 3-0 10840 NULL -+ext4_direct_IO_10843 ext4_direct_IO 4-0 10843 NULL -+simple_playback_build_controls_10847 simple_playback_build_controls 0 10847 NULL -+show_therm_input_10848 show_therm_input 0 10848 NULL -+xfs_bmbt_free_block_10850 xfs_bmbt_free_block 0 10850 NULL -+ida_get_new_above_10853 ida_get_new_above 0-2 10853 NULL -+fuse_conn_max_background_read_10855 fuse_conn_max_background_read 3-0 10855 NULL -+snd_card_asihpi_playback_ioctl_10857 snd_card_asihpi_playback_ioctl 0 10857 NULL -+usnic_ib_show_qp_per_vf_10858 usnic_ib_show_qp_per_vf 0 10858 NULL -+read_edid_block_10860 read_edid_block 4 10860 NULL -+btrfs_permission_10861 btrfs_permission 0 10861 NULL -+ol_chunk_blocks_10864 ol_chunk_blocks 0 10864 NULL -+trivial_online_10866 trivial_online 0 10866 NULL -+xenfb_set_par_10871 xenfb_set_par 0 10871 NULL -+snd_pcm_oss_write1_10872 snd_pcm_oss_write1 3-0 10872 NULL -+ov7670_s_sat_hue_10873 ov7670_s_sat_hue 0 10873 NULL nohasharray -+tw2804_s_ctrl_10873 tw2804_s_ctrl 0 10873 &ov7670_s_sat_hue_10873 -+u1_timeout_store_10874 u1_timeout_store 0-4 10874 NULL -+rtl2832_sdr_wr_reg_mask_10875 rtl2832_sdr_wr_reg_mask 0 10875 NULL -+mid_get_vbt_data_r0_10876 mid_get_vbt_data_r0 2 10876 NULL nohasharray -+ims_pcu_ofn_reg_addr_store_10876 ims_pcu_ofn_reg_addr_store 0-4 10876 &mid_get_vbt_data_r0_10876 -+queue_working_time_show_10877 queue_working_time_show 0 10877 NULL -+wiidebug_drm_write_10879 wiidebug_drm_write 3-0 10879 NULL -+sha1_mb_final_10881 sha1_mb_final 0 10881 NULL -+jffs2_read_inode_range_10882 jffs2_read_inode_range 0 10882 NULL -+adt7411_show_temp_10883 adt7411_show_temp 0 10883 NULL -+qla2x00_sysfs_read_vpd_10893 qla2x00_sysfs_read_vpd 6-0-5 10893 NULL -+__ipath_get_user_pages_10896 __ipath_get_user_pages 0 10896 NULL -+get_scq_10897 get_scq 2 10897 NULL 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enic_open 0 11015 NULL -+read_11017 read 0 11017 NULL -+qla4xxx_init_firmware_11018 qla4xxx_init_firmware 0 11018 NULL -+SetLineNumber_11023 SetLineNumber 0 11023 NULL -+crc32_pclmul_setkey_11032 crc32_pclmul_setkey 0 11032 NULL nohasharray -+read_11032 read 0 11032 &crc32_pclmul_setkey_11032 -+mb_find_next_bit_11037 mb_find_next_bit 0-2 11037 NULL nohasharray -+ixgbe_disable_sriov_11037 ixgbe_disable_sriov 0 11037 &mb_find_next_bit_11037 -+shmem_listxattr_11040 shmem_listxattr 0-3 11040 NULL -+mask_and_set_register_11042 mask_and_set_register 0 11042 NULL -+sys_sendfile_11048 sys_sendfile 4 11048 NULL nohasharray -+rawsock_recvmsg_11048 rawsock_recvmsg 3 11048 &sys_sendfile_11048 -+tda10048_writeregbulk_11050 tda10048_writeregbulk 4 11050 NULL -+char2uni_11054 char2uni 0 11054 NULL -+srpt_tpg_attrib_store_srp_sq_size_11059 srpt_tpg_attrib_store_srp_sq_size 0-3 11059 NULL -+alc260_parse_auto_config_11061 alc260_parse_auto_config 0 11061 NULL -+qlcnic_83xx_calculate_msix_vector_11063 qlcnic_83xx_calculate_msix_vector 0 11063 NULL -+__sysv_write_inode_11069 __sysv_write_inode 0 11069 NULL -+bond_enslave_11070 bond_enslave 0 11070 NULL -+lpt_gc_lnum_11073 lpt_gc_lnum 0 11073 NULL -+bond_get_size_11077 bond_get_size 0 11077 NULL -+tcp_send_mss_11079 tcp_send_mss 0 11079 NULL -+count_argc_11083 count_argc 0 11083 NULL -+gt_min_freq_mhz_show_11084 gt_min_freq_mhz_show 0 11084 NULL -+sda_in_11093 sda_in 0 11093 NULL -+ds2781_write_user_eeprom_bin_11094 ds2781_write_user_eeprom_bin 6-5-0 11094 NULL nohasharray -+wlcore_fw_wakeup_11094 wlcore_fw_wakeup 0 11094 &ds2781_write_user_eeprom_bin_11094 -+hash_sendmsg_11095 hash_sendmsg 0-4 11095 NULL -+aio_read_11102 aio_read 0 11102 NULL -+show_cmd_sg_entries_11103 show_cmd_sg_entries 0 11103 NULL -+avc_stream_set_format_11105 avc_stream_set_format 5 11105 NULL -+kvm_write_guest_cached_11106 kvm_write_guest_cached 4 11106 NULL -+v_midi_open_11109 v_midi_open 0 11109 NULL -+wl18xx_top_reg_read_11114 wl18xx_top_reg_read 0 11114 NULL -+pinctrl_get_device_gpio_range_11118 pinctrl_get_device_gpio_range 0 11118 NULL -+tc90522_master_xfer_11119 tc90522_master_xfer 3-0 11119 NULL -+logi_dj_raw_event_11123 logi_dj_raw_event 4 11123 NULL -+tracing_buffers_read_11124 tracing_buffers_read 3 11124 NULL -+lpfc_cr_delay_store_11125 lpfc_cr_delay_store 0-4 11125 NULL -+alloc_alien_cache_11127 alloc_alien_cache 2 11127 NULL -+store_frontswap_inertia_11129 store_frontswap_inertia 0-4 11129 NULL -+dlfb_realloc_framebuffer_11133 dlfb_realloc_framebuffer 0 11133 NULL -+ip6table_nat_local_fn_11142 ip6table_nat_local_fn 0 11142 NULL -+vv6410_set_hflip_11144 vv6410_set_hflip 0 11144 NULL nohasharray -+pcnet32_get_regs_len_11144 pcnet32_get_regs_len 0 11144 &vv6410_set_hflip_11144 -+temp_northbridge_11147 temp_northbridge 0 11147 NULL -+process_ini_11152 process_ini 0 11152 NULL -+ds2780_set_rsgain_register_11153 ds2780_set_rsgain_register 0 11153 NULL -+acpi_os_map_memory_11161 acpi_os_map_memory 1-2 11161 NULL nohasharray -+__uncore_cmask5_show_11161 __uncore_cmask5_show 0 11161 &acpi_os_map_memory_11161 -+target_core_alua_tg_pt_gp_show_attr_alua_access_status_11170 target_core_alua_tg_pt_gp_show_attr_alua_access_status 0 11170 NULL -+ioat2_alloc_ring_11172 ioat2_alloc_ring 2 11172 NULL -+acpi_ec_read_io_11175 acpi_ec_read_io 0-3 11175 NULL -+dlm_user_unlock_11178 dlm_user_unlock 0 11178 NULL -+blkdev_write_end_11180 blkdev_write_end 5-0 11180 NULL -+hfs_statfs_11183 hfs_statfs 0 11183 NULL -+show_local_temp8_11187 show_local_temp8 0 11187 NULL -+store_lanerev_enb_11190 store_lanerev_enb 0-4 11190 NULL -+tomoyo_unix_entry_11195 tomoyo_unix_entry 0 11195 NULL -+rtl2832_sdr_wr_regs_11197 rtl2832_sdr_wr_regs 0 11197 NULL -+fnic_show_drv_version_11198 fnic_show_drv_version 0 11198 NULL -+snd_emu10k1x_pcm_prepare_11205 snd_emu10k1x_pcm_prepare 0 11205 NULL -+qlcnic_get_port_stats_11206 qlcnic_get_port_stats 0 11206 NULL -+solo_start_thread_11207 solo_start_thread 0 11207 NULL -+fb_set_var_11211 fb_set_var 0 11211 NULL -+dma_mapping_error_11213 dma_mapping_error 0-2 11213 NULL -+set_pwm1_11215 set_pwm1 0-4 11215 NULL -+test_walk_11216 test_walk 0 11216 NULL -+sq_overhead_11218 sq_overhead 0 11218 NULL -+zd_submit_waiting_urb_11219 zd_submit_waiting_urb 0 11219 NULL -+__swab16p_11220 __swab16p 0 11220 NULL -+il_dbgfs_rx_queue_read_11221 il_dbgfs_rx_queue_read 3-0 11221 NULL -+snd_es1938_playback2_trigger_11224 snd_es1938_playback2_trigger 0 11224 NULL -+top_off_timer_show_11232 top_off_timer_show 0 11232 NULL nohasharray -+tda18218_wr_reg_11232 tda18218_wr_reg 0 11232 &top_off_timer_show_11232 -+xiic_bus_busy_11233 xiic_bus_busy 0 11233 NULL nohasharray -+vid_out_start_streaming_11233 vid_out_start_streaming 0 11233 &xiic_bus_busy_11233 -+comedi_alloc_spriv_11234 comedi_alloc_spriv 2 11234 NULL -+xfs_bmap_last_before_11237 xfs_bmap_last_before 0 11237 NULL -+__hci_unconf_init_11239 __hci_unconf_init 0 11239 NULL nohasharray -+__add_zone_11239 __add_zone 0 11239 &__hci_unconf_init_11239 -+il3945_show_tx_power_11240 il3945_show_tx_power 0 11240 NULL nohasharray -+show_nservers_11240 show_nservers 0 11240 &il3945_show_tx_power_11240 -+call_usermodehelper_11245 call_usermodehelper 0 11245 NULL -+of_irq_count_11253 of_irq_count 0 11253 NULL -+store_refalign_11257 store_refalign 0-4 11257 NULL -+ubifs_write_node_11258 ubifs_write_node 5-3-0 11258 NULL -+ath5k_attr_show_noise_immunity_level_11266 ath5k_attr_show_noise_immunity_level 0 11266 NULL nohasharray -+srpt_wwn_show_attr_version_11266 srpt_wwn_show_attr_version 0 11266 &ath5k_attr_show_noise_immunity_level_11266 -+hugetlbfs_read_11268 hugetlbfs_read 3-0 11268 NULL -+ec_bhf_alloc_dma_mem_11271 ec_bhf_alloc_dma_mem 0 11271 NULL -+cru_detect_11272 cru_detect 1 11272 NULL -+ath6kl_power_params_write_11274 ath6kl_power_params_write 3-0 11274 NULL -+qnx6_readpage_11279 qnx6_readpage 0 11279 NULL -+SYSC_getrandom_11294 SYSC_getrandom 2 11294 NULL -+reg_write_11295 reg_write 0 11295 NULL -+mptscsih_debug_level_store_11299 mptscsih_debug_level_store 0-4 11299 NULL -+ssb_pcmcia_cor_setup_11300 ssb_pcmcia_cor_setup 0 11300 NULL -+vhci_urb_enqueue_11304 vhci_urb_enqueue 0 11304 NULL nohasharray -+show_mtu_11304 show_mtu 0 11304 &vhci_urb_enqueue_11304 -+__proc_daemon_file_11305 __proc_daemon_file 5 11305 NULL -+rtl2832_sdr_alloc_urbs_11306 rtl2832_sdr_alloc_urbs 0 11306 NULL -+cma_clear_bitmap_11308 cma_clear_bitmap 3 11308 NULL -+tcp_send_rcvq_11316 tcp_send_rcvq 3-0 11316 NULL -+vidioc_qbuf_11319 vidioc_qbuf 0 11319 NULL -+kovaplus_sysfs_read_profilex_settings_11320 kovaplus_sysfs_read_profilex_settings 0-5-6 11320 NULL nohasharray -+iscsi_stat_tgt_attr_attr_show_11320 iscsi_stat_tgt_attr_attr_show 0 11320 &kovaplus_sysfs_read_profilex_settings_11320 -+tiadc_buffer_postdisable_11321 tiadc_buffer_postdisable 0 11321 NULL -+iwl_dbgfs_ss_force_read_11323 iwl_dbgfs_ss_force_read 3-0 11323 NULL -+shmem_radix_tree_replace_11325 shmem_radix_tree_replace 0 11325 NULL -+construct_key_11329 construct_key 3 11329 NULL nohasharray -+__kfifo_out_peek_11329 __kfifo_out_peek 0-3 11329 &construct_key_11329 -+cfctrl_linkup_request_11331 cfctrl_linkup_request 0 11331 NULL -+usb_store_new_id_11334 usb_store_new_id 0-5 11334 NULL -+seq_copy_in_user_11336 seq_copy_in_user 3 11336 NULL nohasharray -+patch_nvhdmi_8ch_7x_11336 patch_nvhdmi_8ch_7x 0 11336 &seq_copy_in_user_11336 -+ufx_enable_11338 ufx_enable 0 11338 NULL -+dev_uc_add_11343 dev_uc_add 0 11343 NULL -+setup_cpu_watcher_11344 setup_cpu_watcher 0 11344 NULL -+ext4_get_inline_size_11349 ext4_get_inline_size 0 11349 NULL -+mt9m001_s_stream_11350 mt9m001_s_stream 0 11350 NULL -+kmx61_mag_validate_trigger_11352 kmx61_mag_validate_trigger 0 11352 NULL -+sel_write_create_11353 sel_write_create 3 11353 NULL -+show_in1_input_11354 show_in1_input 0 11354 NULL -+handle_unit_11355 handle_unit 0-1 11355 NULL -+batadv_skb_head_push_11360 batadv_skb_head_push 2 11360 NULL nohasharray -+create_input_ctls_11360 create_input_ctls 0 11360 &batadv_skb_head_push_11360 -+of_get_available_child_count_11361 of_get_available_child_count 0 11361 NULL -+drm_vblank_init_11362 drm_vblank_init 2 11362 NULL nohasharray -+thread_siblings_list_show_11362 thread_siblings_list_show 0 11362 &drm_vblank_init_11362 -+nilfs_superblock_sb_write_time_secs_show_11367 nilfs_superblock_sb_write_time_secs_show 0 11367 NULL nohasharray -+lp3943_pwm_set_mode_11367 lp3943_pwm_set_mode 0 11367 &nilfs_superblock_sb_write_time_secs_show_11367 -+qib_get_base_info_11369 qib_get_base_info 3-0 11369 NULL -+saa6752hs_g_mbus_fmt_11370 saa6752hs_g_mbus_fmt 0 11370 NULL -+thermal_cooling_device_cur_state_show_11373 thermal_cooling_device_cur_state_show 0 11373 NULL -+xfs_bmap_add_attrfork_btree_11375 xfs_bmap_add_attrfork_btree 0 11375 NULL -+lpfc_poll_tmo_show_11377 lpfc_poll_tmo_show 0 11377 NULL -+__spi_queued_transfer_11379 __spi_queued_transfer 0 11379 NULL -+rtl2832_sdr_alloc_stream_bufs_11380 rtl2832_sdr_alloc_stream_bufs 0 11380 NULL -+tcf_register_action_11381 tcf_register_action 2 11381 NULL -+ext_prop_type_store_11385 ext_prop_type_store 0-3 11385 NULL -+po1030_set_gain_11386 po1030_set_gain 0 11386 NULL nohasharray -+tboot_cpu_callback_11386 tboot_cpu_callback 0 11386 &po1030_set_gain_11386 -+merge_across_nodes_store_11387 merge_across_nodes_store 0-4 11387 NULL -+af9035_rd_regs_11391 af9035_rd_regs 0 11391 NULL nohasharray -+gfs2_quota_refresh_11391 gfs2_quota_refresh 0 11391 &af9035_rd_regs_11391 -+isku_sysfs_read_keys_capslock_11392 isku_sysfs_read_keys_capslock 6-0-5 11392 NULL -+qib_write_11394 qib_write 0-3 11394 NULL -+niu_reset_tx_xmac_11397 niu_reset_tx_xmac 0 11397 NULL -+dev_irnet_write_11398 dev_irnet_write 3-0 11398 NULL nohasharray -+store_selfballoon_interval_11398 store_selfballoon_interval 0-4 11398 &dev_irnet_write_11398 -+cw1200_add_interface_11399 cw1200_add_interface 0 11399 NULL nohasharray -+tse_change_mtu_11399 tse_change_mtu 0 11399 &cw1200_add_interface_11399 -+get_fan_11400 get_fan 0 11400 NULL -+ip_mc_add1_src_11402 ip_mc_add1_src 0 11402 NULL nohasharray -+lprocfs_wr_evict_client_11402 lprocfs_wr_evict_client 3 11402 &ip_mc_add1_src_11402 -+attention_read_file_11404 attention_read_file 0 11404 NULL -+bnx2x_config_rss_eth_11407 bnx2x_config_rss_eth 0 11407 NULL -+___alloc_bootmem_11410 ___alloc_bootmem 1 11410 NULL -+str_to_user_11411 str_to_user 2 11411 NULL -+show_blue_11412 show_blue 0 11412 NULL nohasharray -+matroxfb_dh_check_var_11412 matroxfb_dh_check_var 0 11412 &show_blue_11412 -+mem_fw_gen_free_mem_blks_read_11413 mem_fw_gen_free_mem_blks_read 3-0 11413 NULL -+ath6kl_wmi_test_rx_11414 ath6kl_wmi_test_rx 3 11414 NULL -+iscsi_tpg_param_show_HeaderDigest_11416 iscsi_tpg_param_show_HeaderDigest 0 11416 NULL -+adis16480_show_firmware_revision_11417 adis16480_show_firmware_revision 3-0 11417 NULL nohasharray -+xfs_btree_lookup_11417 xfs_btree_lookup 0 11417 &adis16480_show_firmware_revision_11417 -+tx_carrier_errors_show_11418 tx_carrier_errors_show 0 11418 NULL -+mlx4_create_zones_11419 mlx4_create_zones 4-3-5-6 11419 NULL nohasharray -+trace_options_read_11419 trace_options_read 3 11419 &mlx4_create_zones_11419 -+i40e_dbg_command_write_11421 i40e_dbg_command_write 3-0 11421 NULL nohasharray -+nlmsg_perm_11421 nlmsg_perm 0 11421 &i40e_dbg_command_write_11421 -+pccard_show_vcc_11422 pccard_show_vcc 0 11422 NULL -+attr_show_11424 attr_show 0 11424 NULL -+vring_size_11426 vring_size 0-2-1 11426 NULL -+ecryptfs_writepage_11427 ecryptfs_writepage 0 11427 NULL nohasharray -+iwl_mvm_power_send_cmd_11427 iwl_mvm_power_send_cmd 0 11427 &ecryptfs_writepage_11427 -+ext3_xattr_block_list_11428 ext3_xattr_block_list 0 11428 NULL -+ovl_want_write_11429 ovl_want_write 0 11429 NULL -+bttv_read_11432 bttv_read 3-0 11432 NULL -+adt7310_spi_write_byte_11434 adt7310_spi_write_byte 0 11434 NULL -+iommu_group_show_name_11438 iommu_group_show_name 0 11438 NULL -+wait_on_bit_lock_action_11447 wait_on_bit_lock_action 0 11447 NULL -+ov2640_g_crop_11448 ov2640_g_crop 0 11448 NULL -+sock_has_perm_11452 sock_has_perm 0 11452 NULL -+create_zero_mask_11453 create_zero_mask 0-1 11453 NULL nohasharray -+store_spi_transport_period_11453 store_spi_transport_period 4-0 11453 &create_zero_mask_11453 -+trigger_test_error_11455 trigger_test_error 0-4 11455 NULL -+adp8860_bl_l2_office_max_store_11458 adp8860_bl_l2_office_max_store 4-0 11458 NULL -+event_file_write_11460 event_file_write 0-3 11460 NULL -+acpi_ex_resolve_to_value_11466 acpi_ex_resolve_to_value 0 11466 NULL -+hidp_sock_create_11468 hidp_sock_create 0 11468 NULL -+ocfs2_file_write_iter_11469 ocfs2_file_write_iter 0 11469 NULL -+mv88e6352_phy_wait_11471 mv88e6352_phy_wait 0 11471 NULL -+st_sensors_write_data_with_mask_11476 st_sensors_write_data_with_mask 0 11476 NULL -+icmpv6_packet_11477 icmpv6_packet 0 11477 NULL -+drv_set_lbt_mode_11478 drv_set_lbt_mode 0 11478 NULL -+pci_set_power_state_11479 pci_set_power_state 0 11479 NULL nohasharray -+sca3000_read_first_n_hw_rb_11479 sca3000_read_first_n_hw_rb 2 11479 &pci_set_power_state_11479 -+set_otp5_11480 set_otp5 4-0 11480 NULL -+thermal_get_trip_type_11486 thermal_get_trip_type 0 11486 NULL -+lpfc_sriov_nr_virtfn_store_11490 lpfc_sriov_nr_virtfn_store 0-4 11490 NULL -+ti_command_out_sync_11491 ti_command_out_sync 0 11491 NULL -+pvr2_v4l2_iosetup_11493 pvr2_v4l2_iosetup 0 11493 NULL -+ads7871_show_name_11494 ads7871_show_name 0 11494 NULL -+vp_try_to_find_vqs_11502 vp_try_to_find_vqs 2 11502 NULL -+skb_copy_datagram_msg_11505 skb_copy_datagram_msg 2-4-0 11505 NULL -+sd_do_mode_sense_11507 sd_do_mode_sense 5 11507 NULL -+s3fb_set_par_11509 s3fb_set_par 0 11509 NULL -+kmem_zalloc_11510 kmem_zalloc 1 11510 NULL -+atkbd_do_set_scroll_11516 atkbd_do_set_scroll 0-4 11516 NULL -+dvb_net_set_mac_11517 dvb_net_set_mac 0 11517 NULL -+c2port_show_name_11518 c2port_show_name 0 11518 NULL nohasharray -+ll_direct_IO_26_seg_11518 ll_direct_IO_26_seg 0 11518 &c2port_show_name_11518 -+__dwc3_gadget_ep_enable_11523 __dwc3_gadget_ep_enable 0 11523 NULL -+twl_direction_in_11527 twl_direction_in 2-0 11527 NULL -+usb_pcwd_temperature_read_11539 usb_pcwd_temperature_read 0-3 11539 NULL -+__uncore_event_ext_show_11540 __uncore_event_ext_show 0 11540 NULL -+hif_usb_send_mgmt_11542 hif_usb_send_mgmt 0 11542 NULL -+batadv_tt_init_11545 batadv_tt_init 0 11545 NULL -+mmc_fwrev_show_11546 mmc_fwrev_show 0 11546 NULL -+vendor_id_show_11549 vendor_id_show 0 11549 NULL -+show_vpd_pg83_11553 show_vpd_pg83 6-0-5 11553 NULL nohasharray -+xfs_rtcheck_alloc_range_11553 xfs_rtcheck_alloc_range 0 11553 &show_vpd_pg83_11553 -+radix_tree_extend_11555 radix_tree_extend 0 11555 NULL -+show_gpio_mask_11556 show_gpio_mask 0 11556 NULL -+fsp_attr_set_getreg_11558 fsp_attr_set_getreg 0-4 11558 NULL -+set_in5_min_11561 set_in5_min 0-4 11561 NULL -+skb_cow_data_11565 skb_cow_data 0-2 11565 NULL -+i2c_smbus_read_word_swapped_11566 i2c_smbus_read_word_swapped 0 11566 NULL nohasharray -+build_avpair_blob_11566 build_avpair_blob 0 11566 &i2c_smbus_read_word_swapped_11566 nohasharray -+smk_bu_note_11566 smk_bu_note 0-5 11566 &build_avpair_blob_11566 nohasharray -+set_fan_auto_channel_11566 set_fan_auto_channel 0-4 11566 &smk_bu_note_11566 -+atomic_notifier_call_chain_11567 atomic_notifier_call_chain 0 11567 NULL -+mlx4_init_cmpt_table_11569 mlx4_init_cmpt_table 3 11569 NULL -+CIFSSMBWrite2_11570 CIFSSMBWrite2 0 11570 NULL -+check_hotplug_memory_range_11575 check_hotplug_memory_range 0 11575 NULL -+lpfc_idiag_ctlacc_write_11576 lpfc_idiag_ctlacc_write 3-0 11576 NULL -+v9fs_xattr_get_acl_11577 v9fs_xattr_get_acl 0 11577 NULL nohasharray -+mxl111sf_write_reg_mask_11577 mxl111sf_write_reg_mask 0 11577 &v9fs_xattr_get_acl_11577 -+show_11578 show 0 11578 NULL -+oprofilefs_ulong_to_user_11582 oprofilefs_ulong_to_user 3-0 11582 NULL -+batadv_iv_ogm_orig_add_if_11586 batadv_iv_ogm_orig_add_if 2 11586 NULL -+pvc_bind_11588 pvc_bind 0 11588 NULL -+snd_pcm_action_11589 snd_pcm_action 0 11589 NULL -+zd1211_hw_reset_phy_11591 zd1211_hw_reset_phy 0 11591 NULL -+flash_strobe_store_11592 flash_strobe_store 0-4 11592 NULL -+wl128x_boot_clk_11594 wl128x_boot_clk 0 11594 NULL -+fw_device_op_ioctl_11595 fw_device_op_ioctl 2 11595 NULL -+heartbeat_panic_notifier_11596 heartbeat_panic_notifier 0 11596 NULL -+iscsi_iser_get_ep_param_11601 iscsi_iser_get_ep_param 0 11601 NULL -+hycapi_rx_capipkt_11602 hycapi_rx_capipkt 3 11602 NULL -+batadv_iv_ogm_orig_del_if_11604 batadv_iv_ogm_orig_del_if 2 11604 NULL nohasharray -+acpi_smbus_cmi_access_11604 acpi_smbus_cmi_access 0 11604 &batadv_iv_ogm_orig_del_if_11604 -+SYSC_mq_timedsend_11607 SYSC_mq_timedsend 3 11607 NULL -+iscsi_tpg_attrib_show_default_cmdsn_depth_11609 iscsi_tpg_attrib_show_default_cmdsn_depth 0 11609 NULL -+max_active_show_11610 max_active_show 0 11610 NULL -+hackrf_start_streaming_11617 hackrf_start_streaming 0 11617 NULL -+C_SYSC_migrate_pages_11618 C_SYSC_migrate_pages 2 11618 NULL -+show_caps_11619 show_caps 0 11619 NULL -+mb862xxfb_check_var_11620 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-+raid5_show_preread_threshold_15892 raid5_show_preread_threshold 0 15892 NULL -+sp_set_mac_address_15899 sp_set_mac_address 0 15899 NULL -+show_spi_transport_qas_15902 show_spi_transport_qas 0 15902 NULL nohasharray -+sctp_apply_peer_addr_params_15902 sctp_apply_peer_addr_params 0 15902 &show_spi_transport_qas_15902 -+host_control_action_store_15906 host_control_action_store 0-4 15906 NULL -+send_tx_power_15914 send_tx_power 0 15914 NULL -+can_get_xstats_size_15916 can_get_xstats_size 0 15916 NULL -+alc_build_controls_15918 alc_build_controls 0 15918 NULL -+unix_dgram_recvmsg_15920 unix_dgram_recvmsg 3 15920 NULL -+hid_hw_power_15921 hid_hw_power 0 15921 NULL -+bio_copy_kern_15925 bio_copy_kern 3 15925 NULL -+erst_exec_store_var1_15933 erst_exec_store_var1 0 15933 NULL -+wm5100_gpio_direction_in_15934 wm5100_gpio_direction_in 0 15934 NULL -+tda18218_wr_regs_15935 tda18218_wr_regs 0 15935 NULL -+power_read_15939 power_read 3-0 15939 NULL -+hfs_listxattr_15946 hfs_listxattr 0-3 15946 NULL nohasharray -+sirdev_open_15946 sirdev_open 0 15946 &hfs_listxattr_15946 -+lpfc_idiag_drbacc_read_15948 lpfc_idiag_drbacc_read 3-0 15948 NULL -+mwifiex_cmd_mac_control_15949 mwifiex_cmd_mac_control 0 15949 NULL -+snd_pcm_lib_read_transfer_15952 snd_pcm_lib_read_transfer 5 15952 NULL -+memblock_virt_alloc_try_nid_15954 memblock_virt_alloc_try_nid 1 15954 NULL -+i40e_get_phys_port_id_15955 i40e_get_phys_port_id 0 15955 NULL -+mxl5005s_set_params_15963 mxl5005s_set_params 0 15963 NULL -+b43_nphy_op_switch_channel_15964 b43_nphy_op_switch_channel 0 15964 NULL -+remap_pci_mem_15966 remap_pci_mem 1-2 15966 NULL nohasharray -+find_rsb_15966 find_rsb 0 15966 &remap_pci_mem_15966 -+rocker_netdevice_event_15969 rocker_netdevice_event 0 15969 NULL -+usb_autopm_get_interface_async_15970 usb_autopm_get_interface_async 0 15970 NULL nohasharray -+mls_read_range_helper_15970 mls_read_range_helper 0 15970 &usb_autopm_get_interface_async_15970 -+sht15_connection_reset_15973 sht15_connection_reset 0 15973 NULL -+smk_read_ptrace_15974 smk_read_ptrace 3-0 15974 NULL -+rx_queue_attr_show_15978 rx_queue_attr_show 0 15978 NULL -+frame_alloc_15981 frame_alloc 4-0 15981 NULL -+alloc_vm_area_15989 alloc_vm_area 1 15989 NULL -+stir_net_open_15991 stir_net_open 0 15991 NULL -+recv_pre_block_15995 recv_pre_block 0 15995 NULL -+rpm_check_suspend_allowed_15996 rpm_check_suspend_allowed 0 15996 NULL -+iwlagn_rxon_disconn_16003 iwlagn_rxon_disconn 0 16003 NULL -+period_store_16008 period_store 0-4 16008 NULL -+do_open_16009 do_open 0 16009 NULL -+hdpvr_register_videodev_16010 hdpvr_register_videodev 3 16010 NULL -+crypto_shash_export_16014 crypto_shash_export 0 16014 NULL -+viafb_vt1636_proc_write_16018 viafb_vt1636_proc_write 3-0 16018 NULL -+qlcnic_sysfs_read_esw_config_16022 qlcnic_sysfs_read_esw_config 0-6-5 16022 NULL -+mlx4_qp_reserve_range_16026 mlx4_qp_reserve_range 3-0 16026 NULL nohasharray -+wrmsr_safe_on_cpu_16026 wrmsr_safe_on_cpu 0 16026 &mlx4_qp_reserve_range_16026 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16068 NULL -+udf_extend_file_16069 udf_extend_file 0 16069 NULL -+file_has_perm_16070 file_has_perm 0 16070 NULL -+__iscsi_tpg_auth_show_authenticate_target_16071 __iscsi_tpg_auth_show_authenticate_target 0 16071 NULL -+atkbd_attr_show_helper_16073 atkbd_attr_show_helper 0 16073 NULL -+show_modinfo_srcversion_16077 show_modinfo_srcversion 0 16077 NULL -+ext4_bio_write_page_16078 ext4_bio_write_page 0 16078 NULL -+updateSuper_16079 updateSuper 0 16079 NULL -+mt2063_read_16080 mt2063_read 0 16080 NULL -+sctp_setsockopt_disable_fragments_16088 sctp_setsockopt_disable_fragments 0 16088 NULL -+wl1271_acx_tx_power_16092 wl1271_acx_tx_power 0 16092 NULL -+ps2pp_attr_set_smartscroll_16094 ps2pp_attr_set_smartscroll 0-4 16094 NULL -+cifs_mapchar_16097 cifs_mapchar 0 16097 NULL -+pb0100_set_gain_16099 pb0100_set_gain 0 16099 NULL -+_ctl_ioc_reset_count_show_16102 _ctl_ioc_reset_count_show 0 16102 NULL -+isr_tx_exch_complete_read_16103 isr_tx_exch_complete_read 3-0 16103 NULL nohasharray 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-+dn_getname_16122 dn_getname 0 16122 NULL -+gsmi_die_callback_16123 gsmi_die_callback 0 16123 NULL -+snmp_conntrack_help_16126 snmp_conntrack_help 0 16126 NULL -+sysv_statfs_16128 sysv_statfs 0 16128 NULL -+compat_sys_select_16131 compat_sys_select 1 16131 NULL -+fsm_init_16134 fsm_init 2 16134 NULL -+hysdn_rx_netpkt_16136 hysdn_rx_netpkt 3 16136 NULL -+bcm_iproc_i2c_xfer_single_msg_16143 bcm_iproc_i2c_xfer_single_msg 0 16143 NULL nohasharray -+sht21_update_measurements_16143 sht21_update_measurements 0 16143 &bcm_iproc_i2c_xfer_single_msg_16143 nohasharray -+cfq_fifo_expire_sync_store_16143 cfq_fifo_expire_sync_store 3-0 16143 &sht21_update_measurements_16143 -+input_register_device_16147 input_register_device 0 16147 NULL -+ext4_xattr_block_get_16148 ext4_xattr_block_get 0 16148 NULL nohasharray -+set_port1_16148 set_port1 0-4 16148 &ext4_xattr_block_get_16148 -+hidp_send_intr_message_16150 hidp_send_intr_message 4-0 16150 NULL -+lpfc_vportnum_show_16152 lpfc_vportnum_show 0 16152 NULL -+ext4_read_inline_data_16156 ext4_read_inline_data 0-3 16156 NULL -+mgmt_device_found_16159 mgmt_device_found 9-11 16159 NULL nohasharray -+queues_show_16159 queues_show 0 16159 &mgmt_device_found_16159 nohasharray -+usb2_lpm_besl_store_16159 usb2_lpm_besl_store 0-4 16159 &queues_show_16159 -+pn_header_create_16161 pn_header_create 0 16161 NULL nohasharray -+__hw_addr_create_ex_16161 __hw_addr_create_ex 0 16161 &pn_header_create_16161 -+osd_finalize_request_16163 osd_finalize_request 0 16163 NULL -+bnx2i_get_cid_num_16166 bnx2i_get_cid_num 0 16166 NULL -+nfcwilink_skb_alloc_16167 nfcwilink_skb_alloc 1 16167 NULL nohasharray -+sdev_show_timeout_16167 sdev_show_timeout 0 16167 &nfcwilink_skb_alloc_16167 -+iscsi_stat_tgt_attr_show_attr_login_fails_16172 iscsi_stat_tgt_attr_show_attr_login_fails 0 16172 NULL -+serial_write_room_16174 serial_write_room 0 16174 NULL nohasharray -+dst_output_sk_16174 dst_output_sk 0 16174 &serial_write_room_16174 -+show_beep_enable_16177 show_beep_enable 0 16177 NULL -+show_tcpCurrEstab_16188 show_tcpCurrEstab 0 16188 NULL -+megaraid_sysfs_show_ldnum_16189 megaraid_sysfs_show_ldnum 0 16189 NULL nohasharray -+ovl_dir_fsync_16189 ovl_dir_fsync 0 16189 &megaraid_sysfs_show_ldnum_16189 -+i40e_allocate_virt_mem_d_16191 i40e_allocate_virt_mem_d 3 16191 NULL nohasharray -+rcu_oom_notify_16191 rcu_oom_notify 0 16191 &i40e_allocate_virt_mem_d_16191 -+musb_vbus_show_16194 musb_vbus_show 0 16194 NULL -+cipso_v4_map_cat_rng_hton_16203 cipso_v4_map_cat_rng_hton 0 16203 NULL -+m5602_read_sensor_16209 m5602_read_sensor 0 16209 NULL -+bind_16210 bind 0 16210 NULL nohasharray -+SyS_pselect6_16210 SyS_pselect6 1 16210 &bind_16210 -+create_table_16213 create_table 2 16213 NULL -+patch_stac927x_16218 patch_stac927x 0 16218 NULL -+si476x_core_send_command_16219 si476x_core_send_command 4-6-0 16219 NULL nohasharray -+hdaps_calibrate_show_16219 hdaps_calibrate_show 0 16219 &si476x_core_send_command_16219 nohasharray 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16269 NULL -+snd_ali_trigger_16277 snd_ali_trigger 0 16277 NULL -+nand_bch_init_16280 nand_bch_init 3-2 16280 NULL -+ims_pcu_ofn_reg_addr_show_16282 ims_pcu_ofn_reg_addr_show 0 16282 NULL nohasharray -+iscsi_tpg_param_store_OFMarkInt_16282 iscsi_tpg_param_store_OFMarkInt 0-3 16282 &ims_pcu_ofn_reg_addr_show_16282 -+account_16283 account 0-4-2 16283 NULL nohasharray -+mirror_status_16283 mirror_status 5 16283 &account_16283 -+regcache_rbtree_insert_to_block_16285 regcache_rbtree_insert_to_block 3-4-0 16285 NULL nohasharray -+rfcomm_sock_getname_16285 rfcomm_sock_getname 0 16285 &regcache_rbtree_insert_to_block_16285 -+jumpshot_read_data_16287 jumpshot_read_data 4 16287 NULL nohasharray -+show_analog_out_reg_16287 show_analog_out_reg 0 16287 &jumpshot_read_data_16287 -+bh1770_power_state_store_16288 bh1770_power_state_store 0-4 16288 NULL -+snd_als4000_capture_trigger_16290 snd_als4000_capture_trigger 0 16290 NULL -+stk_allocate_buffers_16291 stk_allocate_buffers 2 16291 NULL -+sha1_ssse3_update_16293 sha1_ssse3_update 0 16293 NULL -+adis16136_set_freq_16295 adis16136_set_freq 0 16295 NULL -+snd_at73c213_pcm_trigger_16297 snd_at73c213_pcm_trigger 0 16297 NULL nohasharray -+SyS_send_16297 SyS_send 3 16297 &snd_at73c213_pcm_trigger_16297 -+pyra_sysfs_write_profile_buttons_16301 pyra_sysfs_write_profile_buttons 0-6-5 16301 NULL -+fore200e_setsockopt_16304 fore200e_setsockopt 0 16304 NULL -+ipr_show_resource_path_16307 ipr_show_resource_path 0 16307 NULL -+show_ipv4_iface_dhcp_use_vendor_id_en_16308 show_ipv4_iface_dhcp_use_vendor_id_en 0 16308 NULL -+ixgbe_setup_fcoe_ddp_resources_16311 ixgbe_setup_fcoe_ddp_resources 0 16311 NULL -+ds1511_nvram_write_16312 ds1511_nvram_write 0-6-5 16312 NULL -+bonding_show_arp_validate_16313 bonding_show_arp_validate 0 16313 NULL -+of_property_read_string_helper_16314 of_property_read_string_helper 0-5 16314 NULL -+ar5523_cmd_16318 ar5523_cmd 0 16318 NULL -+do_set_pwm_16320 do_set_pwm 0 16320 NULL -+snd_bt87x_prepare_16323 snd_bt87x_prepare 0 16323 NULL -+enable_periodic_16329 enable_periodic 0 16329 NULL -+vmw_cursor_update_image_16332 vmw_cursor_update_image 4-3 16332 NULL -+show_ipOutBcastPkts_16333 show_ipOutBcastPkts 0 16333 NULL -+acpi_power_get_list_state_16334 acpi_power_get_list_state 0 16334 NULL nohasharray -+show_conn_param_ISCSI_PARAM_HDRDGST_EN_16334 show_conn_param_ISCSI_PARAM_HDRDGST_EN 0 16334 &acpi_power_get_list_state_16334 -+iptable_nat_ipv4_local_fn_16340 iptable_nat_ipv4_local_fn 0 16340 NULL -+host_store_rescan_16343 host_store_rescan 0-4 16343 NULL -+rcar_thermal_get_trip_type_16349 rcar_thermal_get_trip_type 0 16349 NULL -+cx231xx_i2c_xfer_16353 cx231xx_i2c_xfer 0-3 16353 NULL -+crypto_pcomp_extsize_16357 crypto_pcomp_extsize 0 16357 NULL -+sysfs_create_groups_16360 sysfs_create_groups 0 16360 NULL nohasharray -+tps80031_update_16360 tps80031_update 0 16360 &sysfs_create_groups_16360 -+snd_cs46xx_capture_trigger_16362 snd_cs46xx_capture_trigger 0 16362 NULL 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l2cap_add_scid 0 16395 NULL -+lio_target_nacl_show_tag_16400 lio_target_nacl_show_tag 0 16400 NULL -+isl29003_show_range_16402 isl29003_show_range 0 16402 NULL -+diva_os_malloc_16406 diva_os_malloc 2 16406 NULL nohasharray -+ath10k_pci_diag_read_mem_16406 ath10k_pci_diag_read_mem 0 16406 &diva_os_malloc_16406 -+crypto_ahash_final_16410 crypto_ahash_final 0 16410 NULL nohasharray -+xfs_file_fsync_16410 xfs_file_fsync 0 16410 &crypto_ahash_final_16410 -+iwl_dbgfs_prph_reg_write_16411 iwl_dbgfs_prph_reg_write 0-3 16411 NULL -+iio_device_add_event_16412 iio_device_add_event 0 16412 NULL -+roccat_common2_sysfs_read_actual_profile_16414 roccat_common2_sysfs_read_actual_profile 0-5-6 16414 NULL -+cdce706_clkout_prepare_16415 cdce706_clkout_prepare 0 16415 NULL nohasharray -+w1_slave_show_16415 w1_slave_show 0 16415 &cdce706_clkout_prepare_16415 nohasharray -+patch_alc861vd_16415 patch_alc861vd 0 16415 &w1_slave_show_16415 -+fill_buffer_16418 fill_buffer 0 16418 NULL 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17501 NULL -+rds_get_mr_17506 rds_get_mr 0 17506 NULL -+multicast_last_member_interval_store_17508 multicast_last_member_interval_store 4-0 17508 NULL -+of_device_get_modalias_17511 of_device_get_modalias 0 17511 NULL -+copy_page_from_iter_17512 copy_page_from_iter 3-0 17512 NULL -+reiserfs_direct_IO_17513 reiserfs_direct_IO 4-0 17513 NULL nohasharray -+fc_vport_terminate_17513 fc_vport_terminate 0 17513 &reiserfs_direct_IO_17513 -+lbs_highrssi_write_17515 lbs_highrssi_write 3-0 17515 NULL -+wl1271_acx_dco_itrim_params_17523 wl1271_acx_dco_itrim_params 0 17523 NULL -+fsp_attr_show_flags_17527 fsp_attr_show_flags 0 17527 NULL nohasharray -+bcmgenet_init_rx_ring_17527 bcmgenet_init_rx_ring 0 17527 &fsp_attr_show_flags_17527 -+acerhdf_get_cur_state_17531 acerhdf_get_cur_state 0 17531 NULL -+show_ipInNoRoutes_17533 show_ipInNoRoutes 0 17533 NULL -+ixgbe_set_vfta_generic_17534 ixgbe_set_vfta_generic 0 17534 NULL -+ctnetlink_acct_size_17536 ctnetlink_acct_size 0 17536 NULL 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wl1271_acx_rssi_snr_avg_weights 0 21862 NULL -+lpfc_idiag_extacc_avail_get_21865 lpfc_idiag_extacc_avail_get 0-3 21865 NULL -+msix_capability_init_21870 msix_capability_init 0 21870 NULL -+sisusbcon_bmove_21873 sisusbcon_bmove 7-5-6 21873 NULL nohasharray -+show_conn_param_ISCSI_PARAM_TCP_RECV_WSF_21873 show_conn_param_ISCSI_PARAM_TCP_RECV_WSF 0 21873 &sisusbcon_bmove_21873 -+em28xx_write_regs_req_21874 em28xx_write_regs_req 0 21874 NULL nohasharray -+security_compute_sid_21874 security_compute_sid 0 21874 &em28xx_write_regs_req_21874 nohasharray -+c_can_wait_for_ctrl_init_21874 c_can_wait_for_ctrl_init 0 21874 &security_compute_sid_21874 -+cpumask_set_cpu_local_first_21879 cpumask_set_cpu_local_first 0 21879 NULL -+gadget_dev_desc_idProduct_store_21881 gadget_dev_desc_idProduct_store 0-3 21881 NULL -+show_oversampling_21883 show_oversampling 0 21883 NULL -+mei_amthif_send_cmd_21885 mei_amthif_send_cmd 0 21885 NULL -+ips_halt_21887 ips_halt 0 21887 NULL -+ldlm_lock_create_21888 ldlm_lock_create 7 21888 NULL -+target_stat_scsi_tgt_port_show_attr_inst_21890 target_stat_scsi_tgt_port_show_attr_inst 0 21890 NULL -+__btrfs_direct_write_21894 __btrfs_direct_write 3-0 21894 NULL -+__alloc_reserved_percpu_21895 __alloc_reserved_percpu 1-2 21895 NULL -+xhci_configure_endpoint_result_21900 xhci_configure_endpoint_result 0 21900 NULL -+cx18_s_video_encoding_21901 cx18_s_video_encoding 0 21901 NULL -+pcm_capture_prepare_21906 pcm_capture_prepare 0 21906 NULL -+__logfs_write_rec_21907 __logfs_write_rec 0 21907 NULL -+dbAllocCtl_21911 dbAllocCtl 0 21911 NULL -+qsfp_1_read_21915 qsfp_1_read 3-0 21915 NULL -+l2tp_ip_disconnect_21920 l2tp_ip_disconnect 0 21920 NULL -+snd_line6_trigger_21928 snd_line6_trigger 0 21928 NULL -+go7007_s_ctrl_21935 go7007_s_ctrl 0 21935 NULL -+bond_option_xmit_hash_policy_set_21936 bond_option_xmit_hash_policy_set 0 21936 NULL -+ceph_permission_21941 ceph_permission 0 21941 NULL -+bnx2fc_destroy_21942 bnx2fc_destroy 0 21942 NULL -+f2fs_read_inline_data_21946 f2fs_read_inline_data 0 21946 NULL -+led_delay_off_store_21947 led_delay_off_store 0-4 21947 NULL -+show_remote_temp8_21948 show_remote_temp8 0 21948 NULL nohasharray -+wl1271_cmd_general_parms_21948 wl1271_cmd_general_parms 0 21948 &show_remote_temp8_21948 -+bus_attr_show_21949 bus_attr_show 0 21949 NULL -+wl1271_sysfs_show_bt_coex_state_21950 wl1271_sysfs_show_bt_coex_state 0 21950 NULL nohasharray -+usb_remove_device_21950 usb_remove_device 0 21950 &wl1271_sysfs_show_bt_coex_state_21950 -+loopback_check_format_21951 loopback_check_format 0 21951 NULL -+twl_i2c_write_u16_21953 twl_i2c_write_u16 3-0 21953 NULL -+prism2_set_mac_address_21958 prism2_set_mac_address 0 21958 NULL -+rtl2832_sdr_set_tuner_freq_21960 rtl2832_sdr_set_tuner_freq 0 21960 NULL nohasharray -+write_fifo_21960 write_fifo 0 21960 &rtl2832_sdr_set_tuner_freq_21960 -+ethoc_set_mac_address_21964 ethoc_set_mac_address 0 21964 NULL -+pt1_i2c_end_21971 pt1_i2c_end 0 21971 NULL 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compat_rw_copy_check_uvector 3-0 22001 NULL nohasharray -+rxpipe_descr_host_int_trig_rx_data_read_22001 rxpipe_descr_host_int_trig_rx_data_read 3-0 22001 &compat_rw_copy_check_uvector_22001 -+osst_linux_media_version_show_22002 osst_linux_media_version_show 0 22002 NULL -+kobil_open_22009 kobil_open 0 22009 NULL -+rndis_filter_set_packet_filter_22011 rndis_filter_set_packet_filter 0 22011 NULL -+nv_set_mac_address_22012 nv_set_mac_address 0 22012 NULL -+show_trans_timeout_22013 show_trans_timeout 0 22013 NULL -+netdev_queue_attr_show_22015 netdev_queue_attr_show 0 22015 NULL -+fbcon_fb_registered_22016 fbcon_fb_registered 0 22016 NULL nohasharray -+il_alloc_txq_mem_22016 il_alloc_txq_mem 0 22016 &fbcon_fb_registered_22016 -+atl1e_get_eeprom_len_22018 atl1e_get_eeprom_len 0 22018 NULL -+xfs_attr3_leaf_to_shortform_22019 xfs_attr3_leaf_to_shortform 0 22019 NULL -+regcache_sync_block_raw_flush_22021 regcache_sync_block_raw_flush 3-4 22021 NULL -+gether_get_host_addr_22022 gether_get_host_addr 0 22022 NULL -+btrfs_get_16_22023 btrfs_get_16 0 22023 NULL -+write_usb_charge_22024 write_usb_charge 0 22024 NULL -+ocfs2_control_validate_protocol_22029 ocfs2_control_validate_protocol 0-3 22029 NULL -+da9052_bat_check_status_22030 da9052_bat_check_status 0 22030 NULL -+_sp2d_min_pg_22032 _sp2d_min_pg 0 22032 NULL -+disable_nonboot_cpus_22037 disable_nonboot_cpus 0 22037 NULL -+lookup_metapath_22039 lookup_metapath 0 22039 NULL nohasharray -+rtsx_pci_dma_map_sg_22039 rtsx_pci_dma_map_sg 3 22039 &lookup_metapath_22039 -+mt9v011_s_mbus_fmt_22040 mt9v011_s_mbus_fmt 0 22040 NULL -+nfs_permission_22042 nfs_permission 0 22042 NULL nohasharray -+ath5k_attr_show_firstep_level_22042 ath5k_attr_show_firstep_level 0 22042 &nfs_permission_22042 -+xfs_fs_freeze_22048 xfs_fs_freeze 0 22048 NULL -+zd_usb_read_fw_22049 zd_usb_read_fw 4 22049 NULL nohasharray -+nilfs_segctor_wait_22049 nilfs_segctor_wait 0 22049 &zd_usb_read_fw_22049 -+vbi_buffer_prepare_22050 vbi_buffer_prepare 0 22050 NULL -+create_speaker_out_ctls_22052 create_speaker_out_ctls 0 22052 NULL -+atalk_recvmsg_22053 atalk_recvmsg 4-0 22053 NULL -+ieee80211_if_fmt_dropped_frames_ttl_22054 ieee80211_if_fmt_dropped_frames_ttl 3 22054 NULL nohasharray -+skge_ring_alloc_22054 skge_ring_alloc 0 22054 &ieee80211_if_fmt_dropped_frames_ttl_22054 nohasharray -+sys_recvfrom_22054 sys_recvfrom 3 22054 &skge_ring_alloc_22054 -+end_show_22058 end_show 0 22058 NULL nohasharray -+show_sas_phy_minimum_linkrate_hw_22058 show_sas_phy_minimum_linkrate_hw 0 22058 &end_show_22058 nohasharray -+uart_mode_store_22058 uart_mode_store 0-4 22058 &show_sas_phy_minimum_linkrate_hw_22058 -+acpi_ds_get_field_names_22059 acpi_ds_get_field_names 0 22059 NULL nohasharray -+pio_write_22059 pio_write 0-6-5 22059 &acpi_ds_get_field_names_22059 -+cfqg_set_weight_device_22062 cfqg_set_weight_device 3-0 22062 NULL -+trunc_end_22065 trunc_end 0 22065 NULL nohasharray -+il_tx_queue_init_22065 il_tx_queue_init 0 22065 &trunc_end_22065 -+bNumEndpoints_show_22075 bNumEndpoints_show 0 22075 NULL -+btrfs_reloc_clone_csums_22077 btrfs_reloc_clone_csums 2-3-0 22077 NULL nohasharray -+sigmadsp_write_regmap_22077 sigmadsp_write_regmap 2-4 22077 &btrfs_reloc_clone_csums_22077 -+find_trange_value_22079 find_trange_value 0 22079 NULL -+timeout_show_22081 timeout_show 0 22081 NULL -+clear_store_22082 clear_store 0-4 22082 NULL nohasharray -+set_fan_speed_percent_22082 set_fan_speed_percent 0 22082 &clear_store_22082 -+ov772x_cropcap_22083 ov772x_cropcap 0 22083 NULL -+mem_rw_22085 mem_rw 3-0 22085 NULL nohasharray -+sb1000_end_get_set_command_22085 sb1000_end_get_set_command 0 22085 &mem_rw_22085 -+nf_ct_seq_adjust_22086 nf_ct_seq_adjust 4 22086 NULL -+acerhdf_get_mode_22088 acerhdf_get_mode 0 22088 NULL -+niu_init_one_rx_channel_22095 niu_init_one_rx_channel 0 22095 NULL -+ocfs2_extend_allocation_22096 ocfs2_extend_allocation 0 22096 NULL -+ext3_setattr_22100 ext3_setattr 0 22100 NULL -+portio_name_show_22101 portio_name_show 0 22101 NULL -+rndis_error_status_22103 rndis_error_status 0 22103 NULL nohasharray -+qlcnic_sriov_pf_enable_22103 qlcnic_sriov_pf_enable 0 22103 &rndis_error_status_22103 -+find_free_port_22104 find_free_port 0 22104 NULL -+rt2x00debug_read_crypto_stats_22109 rt2x00debug_read_crypto_stats 3-0 22109 NULL -+get_pwm_22113 get_pwm 0 22113 NULL -+arvo_sysfs_show_key_mask_22117 arvo_sysfs_show_key_mask 0 22117 NULL nohasharray -+beiscsi_log_enable_store_22117 beiscsi_log_enable_store 0-4 22117 &arvo_sysfs_show_key_mask_22117 -+mlog_show_22119 mlog_show 0 22119 NULL -+show_session_param_ISCSI_PARAM_TARGET_NAME_22122 show_session_param_ISCSI_PARAM_TARGET_NAME 0 22122 NULL -+tps65217_reg_read_22125 tps65217_reg_read 0 22125 NULL -+show_fan_min_22127 show_fan_min 0 22127 NULL -+snd_hda_codec_read_22130 snd_hda_codec_read 0 22130 NULL nohasharray -+get_results_22130 get_results 0 22130 &snd_hda_codec_read_22130 -+mx2_videobuf_setup_22136 mx2_videobuf_setup 0 22136 NULL -+__bitmap_size_22138 __bitmap_size 0 22138 NULL -+read_cal_int_tables_22139 read_cal_int_tables 0 22139 NULL -+listxattr_22142 listxattr 0-3 22142 NULL -+reset_atmel_card_22143 reset_atmel_card 0 22143 NULL -+SyS_sched_setaffinity_22148 SyS_sched_setaffinity 2 22148 NULL -+smsc95xx_reset_22152 smsc95xx_reset 0 22152 NULL -+netlink_bind_22153 netlink_bind 0 22153 NULL -+pn533_dep_link_up_22154 pn533_dep_link_up 5 22154 NULL -+isci_task_execute_task_22155 isci_task_execute_task 0 22155 NULL -+__vlan_device_event_22159 __vlan_device_event 0 22159 NULL -+show_otp2en_22160 show_otp2en 0 22160 NULL -+set_pwm_enable_22161 set_pwm_enable 0-4 22161 NULL -+devm_ioremap_wc_22162 devm_ioremap_wc 2-3 22162 NULL -+pm8001_phy_control_22163 pm8001_phy_control 0 22163 NULL nohasharray -+store_pwm_interpolate_22163 store_pwm_interpolate 0-4 22163 &pm8001_phy_control_22163 -+lx_hardware_open_22166 lx_hardware_open 0 22166 NULL -+usbhsh_dcp_queue_push_22167 usbhsh_dcp_queue_push 0 22167 NULL -+reiserfs_paste_into_item_22170 reiserfs_paste_into_item 0 22170 NULL -+__kfifo_alloc_22173 __kfifo_alloc 3-0 22173 NULL nohasharray -+max8997_reg_enable_22173 max8997_reg_enable 0 22173 &__kfifo_alloc_22173 -+dccp_disconnect_22174 dccp_disconnect 0 22174 NULL -+beiscsi_adap_family_disp_22179 beiscsi_adap_family_disp 0 22179 NULL nohasharray -+nf_nat_ipv6_in_22179 nf_nat_ipv6_in 0 22179 &beiscsi_adap_family_disp_22179 -+iscsi_disc_show_userid_mutual_22181 iscsi_disc_show_userid_mutual 0 22181 NULL nohasharray -+hid_sensor_custom_read_22181 hid_sensor_custom_read 3 22181 &iscsi_disc_show_userid_mutual_22181 -+channel_dimm_label_store_22189 channel_dimm_label_store 0-4 22189 NULL -+xen_acpi_processor_resume_22190 xen_acpi_processor_resume 0 22190 NULL -+tps80031_rtc_alarm_irq_enable_22198 tps80031_rtc_alarm_irq_enable 0 22198 NULL -+btrfs_space_info_show_disk_total_22200 btrfs_space_info_show_disk_total 0 22200 NULL -+cmd_exec_22204 cmd_exec 0 22204 NULL -+fls_22210 fls 0 22210 NULL -+f2fs_write_data_pages_22217 f2fs_write_data_pages 0 22217 NULL -+fat_compat_ioctl_filldir_22222 fat_compat_ioctl_filldir 3 22222 NULL -+show_22225 show 0 22225 NULL -+rfcomm_sock_recvmsg_22227 rfcomm_sock_recvmsg 4-0 22227 NULL nohasharray -+xirc2ps_resume_22227 xirc2ps_resume 0 22227 &rfcomm_sock_recvmsg_22227 -+core_alua_show_tg_pt_gp_info_22228 core_alua_show_tg_pt_gp_info 0 22228 NULL -+mem_write_22232 mem_write 3-0 22232 NULL -+mwl8k_cmd_set_pre_scan_22233 mwl8k_cmd_set_pre_scan 0 22233 NULL -+fw_status_show_22234 fw_status_show 0 22234 NULL -+av7110_fw_cmd_22236 av7110_fw_cmd 0 22236 NULL -+store_tabletMouseRight_22238 store_tabletMouseRight 0-4 22238 NULL -+p9_virtio_zc_request_22240 p9_virtio_zc_request 6-5 22240 NULL -+show_fnode_redirect_ipaddr_22241 show_fnode_redirect_ipaddr 0 22241 NULL nohasharray -+mwifiex_cmd_recfg_tx_buf_22241 mwifiex_cmd_recfg_tx_buf 0 22241 &show_fnode_redirect_ipaddr_22241 -+ath10k_push_board_ext_data_22243 ath10k_push_board_ext_data 0 22243 NULL nohasharray -+fsnotify_parent_22243 fsnotify_parent 0 22243 &ath10k_push_board_ext_data_22243 -+prepare_to_wait_event_22247 prepare_to_wait_event 0 22247 NULL -+security_setxattr_22253 security_setxattr 4-0 22253 NULL nohasharray -+capability_id_show_22253 capability_id_show 0 22253 &security_setxattr_22253 -+compat_process_vm_rw_22254 compat_process_vm_rw 3-5 22254 NULL -+show_fc_rport_maxframe_size_22260 show_fc_rport_maxframe_size 0 22260 NULL -+ping_common_sendmsg_22261 ping_common_sendmsg 5 22261 NULL -+add_res_tree_22263 add_res_tree 7 22263 NULL -+at91ether_open_22272 at91ether_open 0 22272 NULL -+bmc150_accel_set_power_state_22273 bmc150_accel_set_power_state 0 22273 NULL -+adp8870_bl_l4_indoor_dim_show_22281 adp8870_bl_l4_indoor_dim_show 0 22281 NULL -+show_ipInReceives_22282 show_ipInReceives 0 22282 NULL nohasharray -+scan_sleep_millisecs_show_22282 scan_sleep_millisecs_show 0 22282 &show_ipInReceives_22282 -+container_offline_22283 container_offline 0 22283 NULL -+pm8001_ctl_logging_level_show_22284 pm8001_ctl_logging_level_show 0 22284 NULL -+ndo_validate_addr_22293 ndo_validate_addr 0 22293 NULL -+snd_sb16_playback_prepare_22296 snd_sb16_playback_prepare 0 22296 NULL -+line6_stream_start_22297 line6_stream_start 0 22297 NULL -+__tun_chr_ioctl_22300 __tun_chr_ioctl 4 22300 NULL -+anysee_master_xfer_22303 anysee_master_xfer 0-3 22303 NULL nohasharray -+csrow_edac_mode_show_22303 csrow_edac_mode_show 0 22303 &anysee_master_xfer_22303 -+mesh_table_alloc_22305 mesh_table_alloc 1 22305 NULL -+show_ipv4_iface_dhcp_vendor_id_22308 show_ipv4_iface_dhcp_vendor_id 0 22308 NULL nohasharray -+hw_ep_enable_22308 hw_ep_enable 0 22308 &show_ipv4_iface_dhcp_vendor_id_22308 -+udpv6_sendmsg_22316 udpv6_sendmsg 4-0 22316 NULL nohasharray -+in_tx_cp_show_22316 in_tx_cp_show 0 22316 &udpv6_sendmsg_22316 -+statfs_slow_show_22327 statfs_slow_show 0 22327 NULL nohasharray -+tg3_get_regs_len_22327 tg3_get_regs_len 0 22327 &statfs_slow_show_22327 -+page_cache_tree_insert_22331 page_cache_tree_insert 0 22331 NULL -+ipr_show_fw_version_22332 ipr_show_fw_version 0 22332 NULL -+show_temp_crit_ext_22334 show_temp_crit_ext 0 22334 NULL nohasharray -+do_migrate_range_22334 do_migrate_range 0 22334 &show_temp_crit_ext_22334 -+kempld_i2c_xfer_22335 kempld_i2c_xfer 0-3 22335 NULL -+target_stat_scsi_lu_show_attr_write_mbytes_22338 target_stat_scsi_lu_show_attr_write_mbytes 0 22338 NULL -+ch341_set_handshake_22339 ch341_set_handshake 0 22339 NULL -+lbs_set_monitor_mode_22340 lbs_set_monitor_mode 0 22340 NULL -+sys_read_22343 sys_read 3 22343 NULL -+wl18xx_boot_22344 wl18xx_boot 0 22344 NULL -+part_timeout_store_22351 part_timeout_store 0-4 22351 NULL -+block_store_22352 block_store 0-3 22352 NULL nohasharray -+ptn3460_read_bytes_22352 ptn3460_read_bytes 4 22352 &block_store_22352 -+ll_lazystatfs_seq_write_22353 ll_lazystatfs_seq_write 3 22353 NULL -+c_can_chip_config_22357 c_can_chip_config 0 22357 NULL -+__device_suspend_noirq_22360 __device_suspend_noirq 0 22360 NULL -+regmap_spi_gather_write_22364 regmap_spi_gather_write 0 22364 NULL nohasharray -+o2nm_cluster_attr_reconnect_delay_ms_read_22364 o2nm_cluster_attr_reconnect_delay_ms_read 0 22364 &regmap_spi_gather_write_22364 nohasharray -+gem_set_mac_address_22364 gem_set_mac_address 0 22364 &o2nm_cluster_attr_reconnect_delay_ms_read_22364 -+tps6586x_gpio_to_irq_22365 tps6586x_gpio_to_irq 2 22365 NULL nohasharray -+show_lcd_level_22365 show_lcd_level 0 22365 &tps6586x_gpio_to_irq_22365 -+build_ntlmssp_auth_blob_22366 build_ntlmssp_auth_blob 0 22366 NULL -+dbg_check_znode_22369 dbg_check_znode 0 22369 NULL -+roccat_common2_sysfs_write_keys_primary_22370 roccat_common2_sysfs_write_keys_primary 0-6-5 22370 NULL -+evdev_ioctl_22371 evdev_ioctl 2 22371 NULL -+wake_up_lan_show_22373 wake_up_lan_show 0 22373 NULL nohasharray -+hugetlbfs_write_begin_22373 hugetlbfs_write_begin 0 22373 &wake_up_lan_show_22373 -+ufx_reg_clear_bits_22374 ufx_reg_clear_bits 0 22374 NULL 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queue_reply 3-0 22416 NULL -+iscsi_stat_sess_err_show_attr_format_errors_22417 iscsi_stat_sess_err_show_attr_format_errors 0 22417 NULL -+usbhsg_gadget_start_22424 usbhsg_gadget_start 0 22424 NULL -+sg_finish_rem_req_22426 sg_finish_rem_req 0 22426 NULL -+update_22427 update 0 22427 NULL -+isci_show_id_22428 isci_show_id 0 22428 NULL nohasharray -+erst_exec_set_src_address_base_22428 erst_exec_set_src_address_base 0 22428 &isci_show_id_22428 -+__set_enter_print_fmt_22431 __set_enter_print_fmt 0 22431 NULL -+iov_iter_get_pages_22440 iov_iter_get_pages 0-4-3 22440 NULL -+xenfb_check_var_22441 xenfb_check_var 0 22441 NULL -+rtl2832_sdr_start_streaming_22446 rtl2832_sdr_start_streaming 0 22446 NULL -+show_sas_phy_phy_identifier_22447 show_sas_phy_phy_identifier 0 22447 NULL -+ceph_write_iter_22449 ceph_write_iter 0 22449 NULL -+handle_received_packet_22457 handle_received_packet 3 22457 NULL -+write_fs_22465 write_fs 0-6-5 22465 NULL -+acpi_ut_copy_eobject_to_iobject_22466 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NULL -+max16065_show_input_23199 max16065_show_input 0 23199 NULL nohasharray -+show_ipv6_iface_router_adv_link_mtu_23199 show_ipv6_iface_router_adv_link_mtu 0 23199 &max16065_show_input_23199 -+dvb_pll_set_params_23207 dvb_pll_set_params 0 23207 NULL -+pm80x_free_irq_23210 pm80x_free_irq 2 23210 NULL nohasharray -+of_irq_get_byname_23210 of_irq_get_byname 0 23210 &pm80x_free_irq_23210 nohasharray -+rbd_major_show_23210 rbd_major_show 0 23210 &of_irq_get_byname_23210 -+sequencer_read_23213 sequencer_read 0-4 23213 NULL nohasharray -+visor_memregion_get_physaddr_23213 visor_memregion_get_physaddr 0 23213 &sequencer_read_23213 -+tipc_sendmcast_23214 tipc_sendmcast 4-0 23214 NULL nohasharray -+get_in_input_23214 get_in_input 0 23214 &tipc_sendmcast_23214 -+ov6650_reg_rmw_23219 ov6650_reg_rmw 0 23219 NULL -+mcryptd_alloc_instance_23221 mcryptd_alloc_instance 3-2 23221 NULL -+mac80211_hwsim_add_interface_23223 mac80211_hwsim_add_interface 0 23223 NULL nohasharray -+set_a_bus_req_23223 set_a_bus_req 0-4 23223 &mac80211_hwsim_add_interface_23223 -+tty_buffer_request_room_23228 tty_buffer_request_room 2-0 23228 NULL nohasharray -+wm8350_isink_is_enabled_23228 wm8350_isink_is_enabled 0 23228 &tty_buffer_request_room_23228 -+xlog_get_bp_23229 xlog_get_bp 2 23229 NULL nohasharray -+__read_status_pci_23229 __read_status_pci 0 23229 &xlog_get_bp_23229 -+__kmalloc_23231 __kmalloc 1 23231 NULL -+mac802154_set_params_23235 mac802154_set_params 0 23235 NULL -+rxrpc_client_sendmsg_23236 rxrpc_client_sendmsg 5 23236 NULL -+mwl8k_cmd_set_rateadapt_mode_23239 mwl8k_cmd_set_rateadapt_mode 0 23239 NULL -+show_attr_mode_msb_23240 show_attr_mode_msb 0 23240 NULL -+nv50_ram_create__23241 nv50_ram_create_ 4 23241 NULL nohasharray -+show_ucode_version_23241 show_ucode_version 0 23241 &nv50_ram_create__23241 nohasharray -+queue_max_sectors_show_23241 queue_max_sectors_show 0 23241 &show_ucode_version_23241 -+ahci_activity_show_23244 ahci_activity_show 0 23244 NULL -+mac80211_hwsim_sta_add_23246 mac80211_hwsim_sta_add 0 23246 NULL -+b43legacy_wireless_core_attach_23259 b43legacy_wireless_core_attach 0 23259 NULL -+f_eem_opts_attr_show_23263 f_eem_opts_attr_show 0 23263 NULL -+sctp_recvmsg_23265 sctp_recvmsg 4-0 23265 NULL nohasharray -+intel_map_sg_23265 intel_map_sg 0-3 23265 &sctp_recvmsg_23265 -+alg_bind_23268 alg_bind 0 23268 NULL -+sha512_base_do_update_23270 sha512_base_do_update 0 23270 NULL -+lan87xx_read_status_23278 lan87xx_read_status 0 23278 NULL -+remove_ftrace_ops_23280 remove_ftrace_ops 0 23280 NULL -+uwb_dev_addr_print_23282 uwb_dev_addr_print 2 23282 NULL -+ipv6_skip_exthdr_23283 ipv6_skip_exthdr 0-2 23283 NULL nohasharray -+snd_compress_dev_register_23283 snd_compress_dev_register 0 23283 &ipv6_skip_exthdr_23283 nohasharray -+venus_readlink_23283 venus_readlink 0 23283 &snd_compress_dev_register_23283 -+doc_probe_23285 doc_probe 1 23285 NULL nohasharray -+ec_i2c_count_message_23285 ec_i2c_count_message 0-2 23285 &doc_probe_23285 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acpi_table_show 6 23317 NULL -+__aa_kvmalloc_23320 __aa_kvmalloc 1 23320 NULL -+show_spread_enabled_23321 show_spread_enabled 0 23321 NULL nohasharray -+iscsi_tpg_param_show_DataSequenceInOrder_23321 iscsi_tpg_param_show_DataSequenceInOrder 0 23321 &show_spread_enabled_23321 -+poll_oip_23322 poll_oip 0 23322 NULL -+config_led_23323 config_led 0 23323 NULL -+batadv_bla_init_23324 batadv_bla_init 0 23324 NULL -+run_gc_23325 run_gc 0 23325 NULL -+lpfc_devloss_tmo_show_23341 lpfc_devloss_tmo_show 0 23341 NULL -+mc13xxx_get_num_regulators_dt_23344 mc13xxx_get_num_regulators_dt 0 23344 NULL -+page_readlink_23346 page_readlink 3-0 23346 NULL -+prepare_23350 prepare 0 23350 NULL nohasharray -+usbnet_status_start_23350 usbnet_status_start 0 23350 &prepare_23350 nohasharray -+mxt_t6_command_23350 mxt_t6_command 0 23350 &usbnet_status_start_23350 -+kmem_zalloc_large_23351 kmem_zalloc_large 1 23351 NULL -+write_inode_23358 write_inode 0 23358 NULL -+generic_key_instantiate_23363 generic_key_instantiate 0 23363 NULL nohasharray -+vmxnet3_get_sset_count_23363 vmxnet3_get_sset_count 0 23363 &generic_key_instantiate_23363 -+regulator_is_enabled_regmap_23365 regulator_is_enabled_regmap 0 23365 NULL -+fscache_fsdef_netfs_get_key_23368 fscache_fsdef_netfs_get_key 0 23368 NULL -+fd_setup_write_same_buf_23369 fd_setup_write_same_buf 3 23369 NULL -+rawv6_send_hdrinc_23370 rawv6_send_hdrinc 3 23370 NULL -+iwl_pcie_rsa_race_bug_wa_23375 iwl_pcie_rsa_race_bug_wa 0 23375 NULL -+bonding_sysfs_store_option_23382 bonding_sysfs_store_option 0-4 23382 NULL -+fc0011_writereg_23383 fc0011_writereg 0 23383 NULL -+pppoe_sendmsg_23391 pppoe_sendmsg 3 23391 NULL -+kobil_write_23392 kobil_write 0-4 23392 NULL -+jffs2_listxattr_23402 jffs2_listxattr 0-3 23402 NULL nohasharray -+s_ctrl_23402 s_ctrl 0 23402 &jffs2_listxattr_23402 -+lbs_mesh_ethtool_get_sset_count_23406 lbs_mesh_ethtool_get_sset_count 0 23406 NULL -+uhci_submit_interrupt_23408 uhci_submit_interrupt 0 23408 NULL nohasharray -+mx2_videobuf_prepare_23408 mx2_videobuf_prepare 0 23408 &uhci_submit_interrupt_23408 -+bond_option_num_peer_notif_set_23409 bond_option_num_peer_notif_set 0 23409 NULL -+goku_queue_23412 goku_queue 0 23412 NULL -+snd_hda_multi_out_dig_prepare_23415 snd_hda_multi_out_dig_prepare 0 23415 NULL -+passive_show_23418 passive_show 0 23418 NULL -+mwifiex_cmd_802_11_key_material_v1_23421 mwifiex_cmd_802_11_key_material_v1 0 23421 NULL -+lpfc_prot_sg_seg_cnt_show_23423 lpfc_prot_sg_seg_cnt_show 0 23423 NULL -+vzalloc_node_23424 vzalloc_node 1 23424 NULL -+lp3972_set_bits_23425 lp3972_set_bits 0 23425 NULL nohasharray -+store_line3_23425 store_line3 0-4 23425 &lp3972_set_bits_23425 -+gpiod_export_23427 gpiod_export 0 23427 NULL -+amd_gpio_dirin_23433 amd_gpio_dirin 0 23433 NULL -+avtab_alloc_23436 avtab_alloc 0 23436 NULL -+mv88e6xxx_get_regs_len_23441 mv88e6xxx_get_regs_len 0 23441 NULL -+wil_target_reset_23443 wil_target_reset 0 23443 NULL -+_ctl_logging_level_store_23445 _ctl_logging_level_store 0-4 23445 NULL -+bInterfaceClass_show_23446 bInterfaceClass_show 0 23446 NULL -+rds_tcp_sendmsg_23447 rds_tcp_sendmsg 3 23447 NULL -+hidraw_send_report_23449 hidraw_send_report 3-0 23449 NULL -+mt9t112_auto_focus_trigger_23450 mt9t112_auto_focus_trigger 0 23450 NULL -+target_core_alua_tg_pt_gp_show_attr_alua_access_type_23452 target_core_alua_tg_pt_gp_show_attr_alua_access_type 0 23452 NULL -+napi_add_23455 napi_add 0 23455 NULL nohasharray -+store_23455 store 0 23455 &napi_add_23455 -+sb_statfs_23456 sb_statfs 0 23456 NULL -+show_ipv4_iface_dhcp_learn_iqn_en_23462 show_ipv4_iface_dhcp_learn_iqn_en 0 23462 NULL -+host_show_resettable_23464 host_show_resettable 0 23464 NULL -+dn_nsp_send_disc_23469 dn_nsp_send_disc 2 23469 NULL nohasharray -+jffs2_trusted_getxattr_23469 jffs2_trusted_getxattr 0 23469 &dn_nsp_send_disc_23469 -+res_get_23470 res_get 0 23470 NULL -+ip6table_nat_fn_23482 ip6table_nat_fn 0 23482 NULL -+dpm_prepare_23484 dpm_prepare 0 23484 NULL 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NULL -+show_fcstat_invalid_crc_count_23516 show_fcstat_invalid_crc_count 0 23516 NULL nohasharray -+ad_sd_write_reg_23516 ad_sd_write_reg 0 23516 &show_fcstat_invalid_crc_count_23516 nohasharray -+__proc_cpt_table_23516 __proc_cpt_table 5 23516 &ad_sd_write_reg_23516 -+hash_ipmark6_expire_23518 hash_ipmark6_expire 4 23518 NULL -+iwl_pcie_send_hcmd_sync_23522 iwl_pcie_send_hcmd_sync 0 23522 NULL -+cxacru_sysfs_show_upstream_crc_errors_23523 cxacru_sysfs_show_upstream_crc_errors 0 23523 NULL -+get_component_active_23527 get_component_active 0 23527 NULL -+target_core_dev_wwn_show_attr_vpd_protocol_identifier_23531 target_core_dev_wwn_show_attr_vpd_protocol_identifier 0 23531 NULL -+ima_show_measurements_count_23536 ima_show_measurements_count 3-0 23536 NULL nohasharray -+sky2_device_event_23536 sky2_device_event 0 23536 &ima_show_measurements_count_23536 -+get_usb_charge_23541 get_usb_charge 0 23541 NULL nohasharray -+adp5520_bl_office_dim_store_23541 adp5520_bl_office_dim_store 4-0 23541 &get_usb_charge_23541 -+st_press_trig_set_state_23544 st_press_trig_set_state 0 23544 NULL -+xen_allocate_irq_gsi_23546 xen_allocate_irq_gsi 1 23546 NULL nohasharray -+cxacru_sysfs_showattr_u32_23546 cxacru_sysfs_showattr_u32 0 23546 &xen_allocate_irq_gsi_23546 nohasharray -+isl29125_buffer_preenable_23546 isl29125_buffer_preenable 0 23546 &cxacru_sysfs_showattr_u32_23546 -+tcp_current_mss_23552 tcp_current_mss 0 23552 NULL -+dbg_leb_change_23555 dbg_leb_change 4-0 23555 NULL -+_hardware_enqueue_23558 _hardware_enqueue 0 23558 NULL -+tcp_match_skb_to_sack_23568 tcp_match_skb_to_sack 3-4 23568 NULL -+padlock_sha1_finup_23569 padlock_sha1_finup 0 23569 NULL nohasharray -+mwl8k_cmd_radio_control_23569 mwl8k_cmd_radio_control 0 23569 &padlock_sha1_finup_23569 -+venus_symlink_23570 venus_symlink 6-4 23570 NULL -+show_net_stats_23573 show_net_stats 0 23573 NULL -+iwl_dbgfs_interrupt_read_23574 iwl_dbgfs_interrupt_read 3-0 23574 NULL -+l2cap_parse_conf_req_23575 l2cap_parse_conf_req 0 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24412 NULL -+save_image_lzo_24413 save_image_lzo 0 24413 NULL -+blk_update_bidi_request_24415 blk_update_bidi_request 3-4 24415 NULL -+default_density_show_24417 default_density_show 0 24417 NULL -+nvme_trans_log_supp_pages_24418 nvme_trans_log_supp_pages 3 24418 NULL -+show_iap_mode_24420 show_iap_mode 0 24420 NULL -+rtl8187_init_urbs_24421 rtl8187_init_urbs 0 24421 NULL -+set_port1_handler_24424 set_port1_handler 0-4 24424 NULL -+b43_debugfs_read_24425 b43_debugfs_read 3-0 24425 NULL -+bq2415x_sysfs_set_limit_24426 bq2415x_sysfs_set_limit 0-4 24426 NULL -+xenbus_file_read_24427 xenbus_file_read 3-0 24427 NULL -+ieee80211_rx_mgmt_beacon_24430 ieee80211_rx_mgmt_beacon 3 24430 NULL nohasharray -+bond_option_ad_select_set_24430 bond_option_ad_select_set 0 24430 &ieee80211_rx_mgmt_beacon_24430 -+pn_socket_sendmsg_24431 pn_socket_sendmsg 4-0 24431 NULL -+copy_and_ioctl_24434 copy_and_ioctl 4 24434 NULL -+suspend_freeze_processes_24436 suspend_freeze_processes 0 24436 NULL 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0-4 27733 &ima_protect_xattr_27733 -+a4t_cs_init_27734 a4t_cs_init 3 27734 NULL -+drv_start_27735 drv_start 0 27735 NULL -+init_timers_cpu_27741 init_timers_cpu 0 27741 NULL -+ov7660_set_auto_gain_27743 ov7660_set_auto_gain 0 27743 NULL -+do_grow_27746 do_grow 0 27746 NULL -+ims_pcu_flash_firmware_27748 ims_pcu_flash_firmware 0 27748 NULL -+roccat_common2_sysfs_write_macro_27750 roccat_common2_sysfs_write_macro 0-6-5 27750 NULL -+lp55xx_request_firmware_27754 lp55xx_request_firmware 0 27754 NULL -+snd_pcm_pre_resume_27757 snd_pcm_pre_resume 0 27757 NULL -+md4_update_27759 md4_update 0 27759 NULL nohasharray -+SyS_setsockopt_27759 SyS_setsockopt 5 27759 &md4_update_27759 -+store_io_db_27768 store_io_db 0-4 27768 NULL -+kcalloc_27770 kcalloc 2-1 27770 NULL -+security_inode_getattr_27774 security_inode_getattr 0 27774 NULL -+transport_init_session_tags_27776 transport_init_session_tags 2-1 27776 NULL -+sched_group_set_shares_27778 sched_group_set_shares 0 27778 NULL -+device_notifier_27779 device_notifier 0 27779 NULL -+megasas_fw_crash_buffer_show_27781 megasas_fw_crash_buffer_show 0 27781 NULL -+ip_sabotage_in_27782 ip_sabotage_in 0 27782 NULL -+twl4030_set_gpio_dataout_27792 twl4030_set_gpio_dataout 1 27792 NULL nohasharray -+t4vf_set_rxmode_27792 t4vf_set_rxmode 0 27792 &twl4030_set_gpio_dataout_27792 -+megasas_sysfs_show_support_poll_for_event_27793 megasas_sysfs_show_support_poll_for_event 0 27793 NULL -+DivaSTraceGetMemotyRequirement_27797 DivaSTraceGetMemotyRequirement 0-1 27797 NULL -+ath6kl_wmi_force_roam_cmd_27800 ath6kl_wmi_force_roam_cmd 0 27800 NULL -+ttm_object_file_init_27804 ttm_object_file_init 2 27804 NULL nohasharray -+SyS_readv_27804 SyS_readv 3 27804 &ttm_object_file_init_27804 -+mpihelp_mul_27805 mpihelp_mul 5-3 27805 NULL -+sisusb_write_memio_24bit_27812 sisusb_write_memio_24bit 0 27812 NULL -+b43_phy_initn_27813 b43_phy_initn 0 27813 NULL -+f2fs_xattr_advise_list_27815 f2fs_xattr_advise_list 0-5 27815 NULL nohasharray 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pci_conf2_write 0 27866 NULL -+__uncore_edge_show_27869 __uncore_edge_show 0 27869 NULL -+ocfs2_file_splice_read_27870 ocfs2_file_splice_read 0 27870 NULL -+ivtv_readbyte_27872 ivtv_readbyte 0 27872 NULL nohasharray -+ipr_update_ioa_ucode_27872 ipr_update_ioa_ucode 0 27872 &ivtv_readbyte_27872 -+ieee80211_if_read_dot11MeshHWMProotInterval_27873 ieee80211_if_read_dot11MeshHWMProotInterval 3-0 27873 NULL -+diag_read_27874 diag_read 0 27874 NULL -+sch_gpio_direction_in_27878 sch_gpio_direction_in 0 27878 NULL -+set_rdac3_27880 set_rdac3 4-0 27880 NULL -+mv88e6171_get_sset_count_27888 mv88e6171_get_sset_count 0 27888 NULL -+show_als_channel_27889 show_als_channel 0 27889 NULL -+unix_seqpacket_sendmsg_27893 unix_seqpacket_sendmsg 4-0 27893 NULL -+set_pwm_auto_pwm_minctl_27898 set_pwm_auto_pwm_minctl 0-4 27898 NULL -+func_27900 func 0 27900 NULL nohasharray -+tcp_v6_parse_md5_keys_27900 tcp_v6_parse_md5_keys 0 27900 &func_27900 -+gluebi_write_27905 gluebi_write 3 27905 NULL -+store_27911 store 0-4 27911 NULL -+show_fcoe_ctlr_device_symb_err_27915 show_fcoe_ctlr_device_symb_err 0 27915 NULL -+qla2x00_zio_timer_show_27921 qla2x00_zio_timer_show 0 27921 NULL -+tps6586x_rtc_set_alarm_27924 tps6586x_rtc_set_alarm 0 27924 NULL -+adxl34x_calibrate_store_27928 adxl34x_calibrate_store 0-4 27928 NULL -+bm_find_next_27929 bm_find_next 2 27929 NULL -+adjust_tp_27930 adjust_tp 0 27930 NULL nohasharray -+set_b_bus_req_27930 set_b_bus_req 0-4 27930 &adjust_tp_27930 -+ocfs2_add_inode_to_orphan_27932 ocfs2_add_inode_to_orphan 0 27932 NULL -+get_alarm_27933 get_alarm 0 27933 NULL -+can_attach_27934 can_attach 0 27934 NULL -+usbhsh_data_stage_packet_push_27936 usbhsh_data_stage_packet_push 0 27936 NULL -+sctp_outq_tail_27937 sctp_outq_tail 0 27937 NULL -+set_min_uV_27943 set_min_uV 0-4 27943 NULL -+mt9m111_cropcap_27947 mt9m111_cropcap 0 27947 NULL -+rt2500usb_set_device_state_27949 rt2500usb_set_device_state 0 27949 NULL nohasharray -+e1000_get_eeprom_len_27949 e1000_get_eeprom_len 0 27949 &rt2500usb_set_device_state_27949 -+_transport_get_linkerrors_27955 _transport_get_linkerrors 0 27955 NULL -+sctp_make_abort_violation_27959 sctp_make_abort_violation 4 27959 NULL -+provisioning_mode_store_27960 provisioning_mode_store 0-4 27960 NULL -+bio_next_split_27961 bio_next_split 2 27961 NULL nohasharray -+tracing_clock_write_27961 tracing_clock_write 3 27961 &bio_next_split_27961 -+ec168_ctrl_msg_27963 ec168_ctrl_msg 0 27963 NULL -+snd_hdac_bus_exec_verb_unlocked_27964 snd_hdac_bus_exec_verb_unlocked 0 27964 NULL -+tipc_media_addr_printf_27971 tipc_media_addr_printf 2 27971 NULL nohasharray -+nfs4_read_cached_acl_27971 nfs4_read_cached_acl 0 27971 &tipc_media_addr_printf_27971 -+mic_rx_pkts_read_27972 mic_rx_pkts_read 3-0 27972 NULL nohasharray -+device_register_27972 device_register 0 27972 &mic_rx_pkts_read_27972 -+xfs_alloc_fixup_trees_27975 xfs_alloc_fixup_trees 0 27975 NULL nohasharray -+b43legacy_upload_initvals_27975 b43legacy_upload_initvals 0 27975 &xfs_alloc_fixup_trees_27975 nohasharray -+compat_SyS_set_mempolicy_27975 compat_SyS_set_mempolicy 3 27975 &b43legacy_upload_initvals_27975 -+adm8211_hw_reset_27976 adm8211_hw_reset 0 27976 NULL -+__kernfs_setattr_27977 __kernfs_setattr 0 27977 NULL nohasharray -+pci_enable_device_flags_27977 pci_enable_device_flags 0 27977 &__kernfs_setattr_27977 -+nilfs_btree_get_new_block_27978 nilfs_btree_get_new_block 0 27978 NULL -+get_max_state_27981 get_max_state 0 27981 NULL -+target_core_alua_tg_pt_gp_store_attr_alua_support_unavailable_27982 target_core_alua_tg_pt_gp_store_attr_alua_support_unavailable 0-3 27982 NULL -+wan_set_status_27984 wan_set_status 0 27984 NULL -+erst_get_record_id_next_27988 erst_get_record_id_next 0 27988 NULL nohasharray -+igb_pci_sriov_configure_27988 igb_pci_sriov_configure 0-2 27988 &erst_get_record_id_next_27988 -+acpi_ds_result_push_27992 acpi_ds_result_push 0 27992 NULL -+inet6_get_link_af_size_27998 inet6_get_link_af_size 0 27998 NULL -+edt_ft5x06_debugfs_raw_data_read_28002 edt_ft5x06_debugfs_raw_data_read 3-0 28002 NULL nohasharray -+ixgbe_pci_sriov_disable_28002 ixgbe_pci_sriov_disable 0 28002 &edt_ft5x06_debugfs_raw_data_read_28002 -+ieee802154_alloc_hw_28003 ieee802154_alloc_hw 1 28003 NULL nohasharray -+snd_trident_capture_prepare_28003 snd_trident_capture_prepare 0 28003 &ieee802154_alloc_hw_28003 nohasharray -+esd_usb2_setup_rx_urbs_28003 esd_usb2_setup_rx_urbs 0 28003 &snd_trident_capture_prepare_28003 -+store_sas_phy_minimum_linkrate_28005 store_sas_phy_minimum_linkrate 0-4 28005 NULL -+snd_rawmidi_write_28008 snd_rawmidi_write 3-0 28008 NULL nohasharray -+tx_queue_len_show_28008 tx_queue_len_show 0 28008 &snd_rawmidi_write_28008 -+device_id_show_28011 device_id_show 0 28011 NULL -+tg_set_cfs_quota_28014 tg_set_cfs_quota 0 28014 NULL -+show_28017 show 0 28017 NULL nohasharray -+oprofile_cpu_notify_28017 oprofile_cpu_notify 0 28017 &show_28017 -+serial8250_port_size_28019 serial8250_port_size 0 28019 NULL -+get_packet_pg_28023 get_packet_pg 4 28023 NULL -+memory_block_action_28024 memory_block_action 0 28024 NULL -+powercap_register_zone_28028 powercap_register_zone 6 28028 NULL -+alloc_one_pg_vec_page_28031 alloc_one_pg_vec_page 1 28031 NULL nohasharray -+lowpan_dev_init_28031 lowpan_dev_init 0 28031 &alloc_one_pg_vec_page_28031 -+comm_nodeid_write_28033 comm_nodeid_write 0-3 28033 NULL -+in_read_bytes_avail_show_28035 in_read_bytes_avail_show 0 28035 NULL -+smc_open_28037 smc_open 0 28037 NULL nohasharray -+store_map_28037 store_map 0-4 28037 &smc_open_28037 -+show_pools_28038 show_pools 0 28038 NULL -+sctp_setsockopt_maxburst_28041 sctp_setsockopt_maxburst 3-0 28041 NULL -+ath10k_hif_diag_write_28046 ath10k_hif_diag_write 0 28046 NULL -+ip_vs_dst_event_28048 ip_vs_dst_event 0 28048 NULL -+p9_fd_write_28050 p9_fd_write 3 28050 NULL -+cx231xx_init_vbi_isoc_28053 cx231xx_init_vbi_isoc 3-4-2-0 28053 NULL -+pool_status_28055 pool_status 5 28055 NULL -+init_rs_non_canonical_28059 init_rs_non_canonical 1 28059 NULL -+lpfc_idiag_mbxacc_read_28061 lpfc_idiag_mbxacc_read 3-0 28061 NULL nohasharray -+xgbe_phy_init_28061 xgbe_phy_init 0 28061 &lpfc_idiag_mbxacc_read_28061 -+tx_frag_bad_mblk_num_read_28064 tx_frag_bad_mblk_num_read 3-0 28064 NULL -+ext4_read_block_bitmap_nowait_28078 ext4_read_block_bitmap_nowait 2 28078 NULL -+ib_query_port_28079 ib_query_port 0 28079 NULL -+acpi_gsb_i2c_write_bytes_28082 acpi_gsb_i2c_write_bytes 4 28082 NULL nohasharray -+GetRecvByte_28082 GetRecvByte 0 28082 &acpi_gsb_i2c_write_bytes_28082 -+platform_get_irq_28088 platform_get_irq 0 28088 NULL nohasharray -+ext4_writepage_28088 ext4_writepage 0 28088 &platform_get_irq_28088 -+gdth_init_isa_28091 gdth_init_isa 1 28091 NULL -+blk_update_nr_requests_28098 blk_update_nr_requests 0 28098 NULL -+stream_next_buffer_28101 stream_next_buffer 0 28101 NULL nohasharray -+qib_tid_free_28101 qib_tid_free 0 28101 &stream_next_buffer_28101 -+mmc_test_alloc_mem_28102 mmc_test_alloc_mem 2-3 28102 NULL -+r820t_sysfreq_sel_28105 r820t_sysfreq_sel 0 28105 NULL -+show_initstate_28108 show_initstate 0 28108 NULL -+store_tabletXtilt_28113 store_tabletXtilt 0-4 28113 NULL -+sony_pic_bluetoothpower_store_28114 sony_pic_bluetoothpower_store 0-4 28114 NULL -+rx_defrag_need_defrag_read_28117 rx_defrag_need_defrag_read 3-0 28117 NULL -+show_fan_target_28118 show_fan_target 0 28118 NULL nohasharray -+sha256_final_28118 sha256_final 0 28118 &show_fan_target_28118 -+qla2x00_allow_cna_fw_dump_store_28123 qla2x00_allow_cna_fw_dump_store 0-4 28123 NULL -+acpi_tb_install_standard_table_28124 acpi_tb_install_standard_table 1 28124 NULL nohasharray -+vgacon_adjust_height_28124 vgacon_adjust_height 2 28124 &acpi_tb_install_standard_table_28124 -+musb_mode_show_28126 musb_mode_show 0 28126 NULL -+m25p80_read_reg_28132 m25p80_read_reg 4 28132 NULL -+tx_window_errors_show_28136 tx_window_errors_show 0 28136 NULL -+perf_read_hw_28139 perf_read_hw 0 28139 NULL -+manuf_show_28140 manuf_show 0 28140 NULL -+__nfs_readpage_from_fscache_28144 __nfs_readpage_from_fscache 0 28144 NULL -+ubifs_setattr_28146 ubifs_setattr 0 28146 NULL -+video_read_28148 video_read 3-0 28148 NULL nohasharray -+store_28148 store 0 28148 &video_read_28148 -+alloc_skb_with_frags_28149 alloc_skb_with_frags 1 28149 NULL -+usb_gadget_udc_start_28152 usb_gadget_udc_start 0 28152 NULL -+snd_midi_channel_alloc_set_28153 snd_midi_channel_alloc_set 1 28153 NULL -+stats_dot11FCSErrorCount_read_28154 stats_dot11FCSErrorCount_read 3-0 28154 NULL -+tipc_sk_create_28158 tipc_sk_create 0 28158 NULL -+gen10g_config_init_28159 gen10g_config_init 0 28159 NULL -+toshiba_touchpad_get_28168 toshiba_touchpad_get 0 28168 NULL -+da9055_set_alarm_28172 da9055_set_alarm 0 28172 NULL -+vread_28173 vread 0-3 28173 NULL -+c4iw_reject_cr_28174 c4iw_reject_cr 3 28174 NULL -+hdaps_mouse_activity_show_28175 hdaps_mouse_activity_show 0 28175 NULL -+nfs_do_writepage_28176 nfs_do_writepage 0 28176 NULL -+xfs_bunmapi_28180 xfs_bunmapi 0 28180 NULL -+cifs_writepage_locked_28181 cifs_writepage_locked 0 28181 NULL -+read_disk_sb_28188 read_disk_sb 2 28188 NULL -+nvkm_output_dp_create__28192 nvkm_output_dp_create_ 6 28192 NULL -+write_irq_affinity_28193 write_irq_affinity 0-4 28193 NULL -+show_update_interval_28195 show_update_interval 0 28195 NULL nohasharray -+da9055_rtc_set_alarm_28195 da9055_rtc_set_alarm 0 28195 &show_update_interval_28195 -+cyapa_gen3_get_query_data_28196 cyapa_gen3_get_query_data 0 28196 NULL -+cifs_reconnect_tcon_28200 cifs_reconnect_tcon 0 28200 NULL -+cyapa_gen5_do_fw_update_28202 cyapa_gen5_do_fw_update 0 28202 NULL -+da9063_rtc_read_time_28206 da9063_rtc_read_time 0 28206 NULL nohasharray -+hfsplus_statfs_28206 hfsplus_statfs 0 28206 &da9063_rtc_read_time_28206 -+niu_ipp_reset_28209 niu_ipp_reset 0 28209 NULL -+mcam_ctlr_configure_28210 mcam_ctlr_configure 0 28210 NULL -+f2fs_write_end_28211 f2fs_write_end 0-5 28211 NULL -+__qp_memcpy_from_queue_28220 __qp_memcpy_from_queue 4-3 28220 NULL nohasharray -+raid5_store_group_thread_cnt_28220 raid5_store_group_thread_cnt 0-3 28220 &__qp_memcpy_from_queue_28220 nohasharray -+pci_pm_prepare_28220 pci_pm_prepare 0 28220 &raid5_store_group_thread_cnt_28220 -+vivid_sdtv_cap_s_ctrl_28222 vivid_sdtv_cap_s_ctrl 0 28222 NULL -+i2c_nuvoton_write_buf_28224 i2c_nuvoton_write_buf 0 28224 NULL nohasharray -+genwqe_sriov_configure_28224 genwqe_sriov_configure 0-2 28224 &i2c_nuvoton_write_buf_28224 -+line6_alloc_sysex_buffer_28225 line6_alloc_sysex_buffer 4 28225 NULL -+iio_sysfs_trigger_remove_28227 iio_sysfs_trigger_remove 0 28227 NULL -+cm4000_resume_28231 cm4000_resume 0 28231 NULL -+beiscsi_get_port_speed_28240 beiscsi_get_port_speed 0 28240 NULL -+ext4_validate_block_bitmap_28243 ext4_validate_block_bitmap 3 28243 NULL -+radeon_get_dpm_state_28244 radeon_get_dpm_state 0 28244 NULL -+write_28250 write 0 28250 NULL nohasharray -+usbduxfast_upload_firmware_28250 usbduxfast_upload_firmware 3 28250 &write_28250 -+ipr_show_fw_type_28251 ipr_show_fw_type 0 28251 NULL -+tcp_disconnect_28252 tcp_disconnect 0 28252 NULL -+kbd_type_show_28255 kbd_type_show 0 28255 NULL -+bl_trig_invert_store_28256 bl_trig_invert_store 0-4 28256 NULL -+pci_notify_28258 pci_notify 0 28258 NULL -+add_interface_28259 add_interface 0 28259 NULL -+airo_open_28270 airo_open 0 28270 NULL -+avtab_read_28272 avtab_read 0 28272 NULL -+mt9m111_g_crop_28273 mt9m111_g_crop 0 28273 NULL -+stk1160_i2c_check_for_device_28274 stk1160_i2c_check_for_device 0 28274 NULL -+cxacru_sysfs_show_downstream_crc_errors_28276 cxacru_sysfs_show_downstream_crc_errors 0 28276 NULL -+otg_mode_show_28282 otg_mode_show 0 28282 NULL -+inline_xattr_size_28285 inline_xattr_size 0 28285 NULL nohasharray -+dibx000_i2c_master_xfer_gpio34_28285 dibx000_i2c_master_xfer_gpio34 0-3 28285 &inline_xattr_size_28285 -+dma_map_sg_attrs_28289 dma_map_sg_attrs 0-3 28289 NULL -+SyS_ppoll_28290 SyS_ppoll 2 28290 NULL -+acpi_ut_copy_epackage_to_ipackage_28291 acpi_ut_copy_epackage_to_ipackage 0 28291 NULL -+wil_addba_tx_cid_28292 wil_addba_tx_cid 3 28292 NULL -+w1_f23_write_28294 w1_f23_write 3 28294 NULL -+si476x_core_cmd_fm_acf_status_28298 si476x_core_cmd_fm_acf_status 0 28298 NULL -+ad_sigma_delta_set_mode_28299 ad_sigma_delta_set_mode 0 28299 NULL -+kstrtos16_from_user_28300 kstrtos16_from_user 2 28300 NULL -+set_fan1_div_28301 set_fan1_div 0-4 28301 NULL -+nouveau_compat_ioctl_28305 nouveau_compat_ioctl 2 28305 NULL nohasharray -+acpi_register_gsi_xen_28305 acpi_register_gsi_xen 2 28305 &nouveau_compat_ioctl_28305 -+print_fw_version_28310 print_fw_version 0 28310 NULL -+phys_switch_id_show_28314 phys_switch_id_show 0 28314 NULL -+adp5520_bl_office_max_store_28316 adp5520_bl_office_max_store 4-0 28316 NULL nohasharray -+do_loop_readv_writev_28316 do_loop_readv_writev 0 28316 &adp5520_bl_office_max_store_28316 -+snd_pcm_oss_read_28317 snd_pcm_oss_read 3-0 28317 NULL nohasharray -+il4965_show_temperature_28317 il4965_show_temperature 0 28317 &snd_pcm_oss_read_28317 -+generic_access_phys_28318 generic_access_phys 2-4 28318 NULL -+fc2580_set_params_28319 fc2580_set_params 0 28319 NULL -+filldir64_28323 filldir64 3 28323 NULL -+card_send_command_28325 card_send_command 0 28325 NULL nohasharray -+cmos_command_store_28325 cmos_command_store 0-4 28325 &card_send_command_28325 -+elan_sysfs_read_sm_ver_28327 elan_sysfs_read_sm_ver 0 28327 NULL -+input_dev_show_cap_rel_28328 input_dev_show_cap_rel 0 28328 NULL -+generic_write_checks_28329 generic_write_checks 0 28329 NULL -+xpcs_mmd_read_28331 xpcs_mmd_read 3-0 28331 NULL nohasharray -+rndis_opts_host_addr_show_28331 rndis_opts_host_addr_show 0 28331 &xpcs_mmd_read_28331 -+bm_entry_write_28338 bm_entry_write 3-0 28338 NULL -+mc13783_adc_read_gp_28341 mc13783_adc_read_gp 0 28341 NULL nohasharray -+show_tabletProgrammableDelay_28341 show_tabletProgrammableDelay 0 28341 &mc13783_adc_read_gp_28341 -+tg3_setup_phy_28343 tg3_setup_phy 0 28343 NULL -+tcp_copy_to_iovec_28344 tcp_copy_to_iovec 3 28344 NULL nohasharray -+michael_init_28344 michael_init 0 28344 &tcp_copy_to_iovec_28344 -+cachefiles_daemon_bstop_28345 cachefiles_daemon_bstop 0 28345 NULL -+ldlat_show_28348 ldlat_show 0 28348 NULL -+snapshot_write_28351 snapshot_write 3 28351 NULL -+emmaprp_buf_prepare_28353 emmaprp_buf_prepare 0 28353 NULL -+nilfs_btree_prepare_update_v_28354 nilfs_btree_prepare_update_v 0 28354 NULL -+pci_ite887x_init_28357 pci_ite887x_init 0 28357 NULL nohasharray -+show_mem_db_28357 show_mem_db 0 28357 &pci_ite887x_init_28357 -+ibmasm_get_next_event_28359 ibmasm_get_next_event 0 28359 NULL -+sched_cpu_active_28360 sched_cpu_active 0 28360 NULL -+send_control_msg_28366 send_control_msg 0 28366 NULL -+batadv_handle_tt_response_28370 batadv_handle_tt_response 4 28370 NULL -+gfs2_writepage_common_28372 gfs2_writepage_common 0 28372 NULL -+uwb_dev_RSSI_show_28373 uwb_dev_RSSI_show 0 28373 NULL -+operstate_show_28374 operstate_show 0 28374 NULL -+rt2x00mmio_initialize_28377 rt2x00mmio_initialize 0 28377 NULL 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__iscsi_tpg_auth_store_userid_mutual 0-3 28409 NULL -+compress_file_range_28412 compress_file_range 3-4 28412 NULL -+subdev_ioctl_28417 subdev_ioctl 2 28417 NULL -+ext2_xattr_list_28418 ext2_xattr_list 0 28418 NULL -+s35390a_rtc_read_time_28420 s35390a_rtc_read_time 0 28420 NULL -+__videobuf_mmap_setup_28421 __videobuf_mmap_setup 0 28421 NULL -+vfio_msi_cap_len_28424 vfio_msi_cap_len 0 28424 NULL -+p9_client_fsync_28425 p9_client_fsync 0 28425 NULL -+ksocknal_alloc_tx_28426 ksocknal_alloc_tx 2 28426 NULL -+store_sas_phy_maximum_linkrate_28428 store_sas_phy_maximum_linkrate 0-4 28428 NULL -+hid_hw_output_report_28429 hid_hw_output_report 0 28429 NULL -+snd_trident_foldback_prepare_28431 snd_trident_foldback_prepare 0 28431 NULL -+_kstrtoul_28435 _kstrtoul 0 28435 NULL -+mpage_readpages_28436 mpage_readpages 3 28436 NULL nohasharray -+decrypt_28436 decrypt 0 28436 &mpage_readpages_28436 -+direction_show_28442 direction_show 0 28442 NULL -+snd_ensoniq_playback2_prepare_28444 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show_line 0-3-4 32004 NULL -+calc_hmac_32010 calc_hmac 3 32010 NULL nohasharray -+jffs2_rtime_decompress_32010 jffs2_rtime_decompress 0 32010 &calc_hmac_32010 -+hdaps_variance_show_32012 hdaps_variance_show 0 32012 NULL nohasharray -+check_kprobe_address_safe_32012 check_kprobe_address_safe 0 32012 &hdaps_variance_show_32012 -+evm_protect_xattr_32016 evm_protect_xattr 0 32016 NULL -+sci_dma_rx_push_32029 sci_dma_rx_push 2 32029 NULL -+stk_read_32038 stk_read 3-0 32038 NULL -+camera_show_32039 camera_show 0 32039 NULL -+sdricoh_pcmcia_suspend_32042 sdricoh_pcmcia_suspend 0 32042 NULL -+vmw_cursor_update_dmabuf_32045 vmw_cursor_update_dmabuf 4-3 32045 NULL nohasharray -+mt9t112_set_params_32045 mt9t112_set_params 0 32045 &vmw_cursor_update_dmabuf_32045 -+sys_sched_setaffinity_32046 sys_sched_setaffinity 2 32046 NULL -+mc44s803_writereg_32053 mc44s803_writereg 0 32053 NULL -+do_strncpy_from_user_32059 do_strncpy_from_user 0 32059 NULL -+dnet_open_32060 dnet_open 0 32060 NULL -+SYSC_llistxattr_32061 SYSC_llistxattr 3 32061 NULL -+flush_buffer_32063 flush_buffer 0 32063 NULL -+proc_scsi_devinfo_write_32064 proc_scsi_devinfo_write 3-0 32064 NULL -+jffs2_lzo_decompress_32065 jffs2_lzo_decompress 0 32065 NULL -+multipath_run_32066 multipath_run 0 32066 NULL -+max_queue_store_32079 max_queue_store 0-3 32079 NULL -+iblock_get_blocks_32080 iblock_get_blocks 0 32080 NULL nohasharray -+target_fabric_discovery_attr_store_32080 target_fabric_discovery_attr_store 0-4 32080 &iblock_get_blocks_32080 -+atmtcp_send_control_32082 atmtcp_send_control 0 32082 NULL -+iscsi_tpg_param_show_InitialR2T_32085 iscsi_tpg_param_show_InitialR2T 0 32085 NULL -+acpi_ds_load2_begin_op_32086 acpi_ds_load2_begin_op 0 32086 NULL nohasharray -+wl12xx_init_fw_32086 wl12xx_init_fw 0 32086 &acpi_ds_load2_begin_op_32086 -+show_counter_rx_p4_hdr_egr_ovfls_32088 show_counter_rx_p4_hdr_egr_ovfls 0 32088 NULL -+cow_file_range_inline_32091 cow_file_range_inline 0 32091 NULL -+efx_mcdi_set_link_32093 efx_mcdi_set_link 0 32093 NULL nohasharray -+wakeup_count_store_32093 wakeup_count_store 0-4 32093 &efx_mcdi_set_link_32093 -+bio_alloc_32095 bio_alloc 2 32095 NULL -+temp_show_32099 temp_show 0 32099 NULL -+alloc_pwms_32100 alloc_pwms 1-2 32100 NULL -+ath6kl_fwlog_read_32101 ath6kl_fwlog_read 3-0 32101 NULL nohasharray -+iscsi_stat_sess_show_attr_inst_32101 iscsi_stat_sess_show_attr_inst 0 32101 &ath6kl_fwlog_read_32101 -+bond_netpoll_setup_32102 bond_netpoll_setup 0 32102 NULL -+usb_three_store_32103 usb_three_store 0-4 32103 NULL -+wil_read_file_recovery_32104 wil_read_file_recovery 3-0 32104 NULL -+ep_enable_32105 ep_enable 0 32105 NULL -+ab3100_rtc_read_time_32107 ab3100_rtc_read_time 0 32107 NULL -+radix_tree_callback_32110 radix_tree_callback 0 32110 NULL -+twl_i2c_read_u8_32114 twl_i2c_read_u8 0 32114 NULL -+log_recovery_delay_store_32116 log_recovery_delay_store 0-2 32116 NULL -+disk_status_32120 disk_status 4-0 32120 NULL -+rx8025_write_regs_32130 rx8025_write_regs 0 32130 NULL -+kobject_add_internal_32133 kobject_add_internal 0 32133 NULL nohasharray -+ftrace_hash_ipmodify_update_32133 ftrace_hash_ipmodify_update 0 32133 &kobject_add_internal_32133 -+acpi_power_on_resources_32134 acpi_power_on_resources 0 32134 NULL nohasharray -+ds2780_read_user_eeprom_bin_32134 ds2780_read_user_eeprom_bin 6-5-0 32134 &acpi_power_on_resources_32134 -+stv06xx_write_sensor_32136 stv06xx_write_sensor 0 32136 NULL -+alloc_tx_32143 alloc_tx 2 32143 NULL -+target_stat_scsi_port_show_attr_busy_count_32144 target_stat_scsi_port_show_attr_busy_count 0 32144 NULL -+show_fc_rport_port_id_32145 show_fc_rport_port_id 0 32145 NULL -+pci_mmcfg_write_numachip_32147 pci_mmcfg_write_numachip 0 32147 NULL nohasharray -+set_activation_width_32147 set_activation_width 0-4 32147 &pci_mmcfg_write_numachip_32147 -+xfs_bmap_longest_free_extent_32148 xfs_bmap_longest_free_extent 0 32148 NULL -+sctp_outq_flush_rtx_32149 sctp_outq_flush_rtx 0 32149 NULL -+ecryptfs_getxattr_lower_32150 ecryptfs_getxattr_lower 0 32150 NULL -+bcmgenet_rx_refill_32157 bcmgenet_rx_refill 0 32157 NULL -+bind_32161 bind 0 32161 NULL -+i2c_smbus_write_byte_data_32162 i2c_smbus_write_byte_data 0 32162 NULL -+venus_link_32165 venus_link 5 32165 NULL -+channel_get_32166 channel_get 0 32166 NULL nohasharray -+s5p_jpeg_s_ctrl_32166 s5p_jpeg_s_ctrl 0 32166 &channel_get_32166 -+ocfs2_direct_IO_32168 ocfs2_direct_IO 4-0 32168 NULL -+cifs_statfs_32170 cifs_statfs 0 32170 NULL -+get_beep_32172 get_beep 0 32172 NULL -+do_writepages_32173 do_writepages 0 32173 NULL nohasharray -+ntfs_rl_realloc_nofail_32173 ntfs_rl_realloc_nofail 3 32173 &do_writepages_32173 -+arch_prepare_kprobe_32174 arch_prepare_kprobe 0 32174 NULL -+ch_do_scsi_32178 ch_do_scsi 5 32178 NULL -+nfs_file_write_32183 nfs_file_write 0 32183 NULL -+da9150_bulk_write_32184 da9150_bulk_write 2-3 32184 NULL -+ina209_show_alarm_32185 ina209_show_alarm 0 32185 NULL nohasharray -+_transport_get_enclosure_identifier_32185 _transport_get_enclosure_identifier 0 32185 &ina209_show_alarm_32185 -+validate_add_page_32189 validate_add_page 0 32189 NULL -+temp_get_32191 temp_get 0 32191 NULL -+ubi_wl_scrub_peb_32196 ubi_wl_scrub_peb 0 32196 NULL -+del_ptr_32197 del_ptr 4 32197 NULL -+show_spi_transport_offset_32198 show_spi_transport_offset 0 32198 NULL -+wusb_ccm_mac_32199 wusb_ccm_mac 7 32199 NULL -+pcxhr_hardware_timer_32206 pcxhr_hardware_timer 0 32206 NULL -+affs_statfs_32208 affs_statfs 0 32208 NULL -+riva_get_cmap_len_32218 riva_get_cmap_len 0 32218 NULL -+sch_gpio_direction_out_32222 sch_gpio_direction_out 0 32222 NULL -+lower_callback_32223 lower_callback 0 32223 NULL -+set_in_max3_32224 set_in_max3 0-4 32224 NULL -+open_patch_32229 open_patch 0 32229 NULL -+qlcnic_83xx_alloc_mbx_args_32233 qlcnic_83xx_alloc_mbx_args 0 32233 NULL -+cifs_lookup_cache_proc_write_32236 cifs_lookup_cache_proc_write 0-3 32236 NULL nohasharray -+lm3533_write_32236 lm3533_write 0 32236 &cifs_lookup_cache_proc_write_32236 -+ec_transaction_32239 ec_transaction 0 32239 NULL -+caif_seqpkt_recvmsg_32241 caif_seqpkt_recvmsg 4-0 32241 NULL -+lbs_lowrssi_read_32242 lbs_lowrssi_read 3-0 32242 NULL -+show_regs_in_max0_32247 show_regs_in_max0 0 32247 NULL -+efx_set_mac_address_32250 efx_set_mac_address 0 32250 NULL -+l2tp_ip6_connect_32252 l2tp_ip6_connect 0 32252 NULL -+cifs_super_get_key_32256 cifs_super_get_key 0 32256 NULL -+ext3_statfs_32257 ext3_statfs 0 32257 NULL -+ocfs2_xattr_find_entry_32260 ocfs2_xattr_find_entry 0 32260 NULL -+vxp_suspend_32262 vxp_suspend 0 32262 NULL -+dp_device_event_32266 dp_device_event 0 32266 NULL -+write_cam_control_32268 write_cam_control 0 32268 NULL -+pci_siig20x_init_32269 pci_siig20x_init 0 32269 NULL nohasharray -+natsemi_set_dspcfg_workaround_32269 natsemi_set_dspcfg_workaround 0-4 32269 &pci_siig20x_init_32269 -+store_in_max_32278 store_in_max 0-4 32278 NULL -+cgroup_write_notify_on_release_32281 cgroup_write_notify_on_release 0 32281 NULL -+runtime_resume_32282 runtime_resume 0 32282 NULL -+kernel_getpeername_32285 kernel_getpeername 0 32285 NULL -+show_control_32286 show_control 0 32286 NULL -+uart401_open_32288 uart401_open 0 32288 NULL -+l3_alloc_skb_32289 l3_alloc_skb 1 32289 NULL -+netvsc_send_pkt_32291 netvsc_send_pkt 0 32291 NULL -+alloc_ofld_rxqs_32293 alloc_ofld_rxqs 0 32293 NULL -+proc_sys_getattr_32297 proc_sys_getattr 0 32297 NULL -+sisusb_read_memio_long_32299 sisusb_read_memio_long 0 32299 NULL -+find_ci_32301 find_ci 0 32301 NULL -+lm3530_mode_set_32305 lm3530_mode_set 0-4 32305 NULL -+smbiosinstance_show_32307 smbiosinstance_show 0 32307 NULL -+vmalloc_user_32308 vmalloc_user 1 32308 NULL -+pm_async_show_32309 pm_async_show 0 32309 NULL -+si476x_cmd_tune_seek_freq_32310 si476x_cmd_tune_seek_freq 4-6 32310 NULL -+SyS_select_32319 SyS_select 1 32319 NULL -+wlcore_hw_init_vif_32322 wlcore_hw_init_vif 0 32322 NULL nohasharray -+write_undock_32322 write_undock 0-4 32322 &wlcore_hw_init_vif_32322 -+pm_stats_clear_32324 pm_stats_clear 0-3 32324 NULL -+i40evf_setup_all_tx_resources_32325 i40evf_setup_all_tx_resources 0 32325 NULL -+store_pwm_enable_32327 store_pwm_enable 0-4 32327 NULL -+patch_stac9872_32328 patch_stac9872 0 32328 NULL -+permissive_show_32335 permissive_show 0 32335 NULL nohasharray -+max_write_same_blocks_store_32335 max_write_same_blocks_store 0-4 32335 &permissive_show_32335 -+xfs_bmap_extsize_align_32338 xfs_bmap_extsize_align 0 32338 NULL -+parport_ieee1284_epp_write_addr_32339 parport_ieee1284_epp_write_addr 0 32339 NULL -+adummy_send_32340 adummy_send 0 32340 NULL nohasharray -+wl12xx_sdio_power_off_32340 wl12xx_sdio_power_off 0 32340 &adummy_send_32340 -+out_read_bytes_avail_show_32341 out_read_bytes_avail_show 0 32341 NULL -+t4_alloc_mem_32342 t4_alloc_mem 1 32342 NULL -+lpfc_num_discovered_ports_show_32346 lpfc_num_discovered_ports_show 0 32346 NULL -+__iscsi_tpg_auth_store_password_32349 __iscsi_tpg_auth_store_password 0-3 32349 NULL -+card_number_show_attr_32354 card_number_show_attr 0 32354 NULL -+show_sas_rphy_sas_address_32356 show_sas_rphy_sas_address 0 32356 NULL nohasharray -+chnl_net_open_32356 chnl_net_open 0 32356 &show_sas_rphy_sas_address_32356 -+dispatch_ioctl_32357 dispatch_ioctl 2 32357 NULL nohasharray -+rx_streaming_always_write_32357 rx_streaming_always_write 3-0 32357 &dispatch_ioctl_32357 -+ca0132_build_controls_32359 ca0132_build_controls 0 32359 NULL -+sel_read_initcon_32362 sel_read_initcon 3-0 32362 NULL nohasharray -+ReadHDLCPCI_32362 ReadHDLCPCI 0 32362 &sel_read_initcon_32362 -+hashtab_insert_32364 hashtab_insert 0 32364 NULL nohasharray -+inet_create_32364 inet_create 0 32364 &hashtab_insert_32364 -+dummy_systimer_prepare_32365 dummy_systimer_prepare 0 32365 NULL nohasharray -+event_file_read_32365 event_file_read 0-3 32365 &dummy_systimer_prepare_32365 -+igb_set_mac_32366 igb_set_mac 0 32366 NULL -+_drbd_bm_find_next_32372 _drbd_bm_find_next 2 32372 NULL nohasharray -+send_mpa_reply_32372 send_mpa_reply 3 32372 &_drbd_bm_find_next_32372 -+ubi_check_volume_32373 ubi_check_volume 0 32373 NULL -+klsi_105_get_line_state_32376 klsi_105_get_line_state 0 32376 NULL -+ds1343_nvram_read_32377 ds1343_nvram_read 0-5-6 32377 NULL nohasharray -+usbtmc_read_32377 usbtmc_read 0-3 32377 &ds1343_nvram_read_32377 -+root_port_show_32379 root_port_show 0 32379 NULL -+rtl8821ae_download_fw_32380 rtl8821ae_download_fw 0 32380 NULL -+show_sys_wmi_32385 show_sys_wmi 0 32385 NULL -+ipvlan_addr6_event_32387 ipvlan_addr6_event 0 32387 NULL -+x75create_32394 x75create 0 32394 NULL -+xfs_da3_node_toosmall_32396 xfs_da3_node_toosmall 0 32396 NULL -+runtime_suspend_32397 runtime_suspend 0 32397 NULL -+qla4_82xx_pci_mem_write_2M_32398 qla4_82xx_pci_mem_write_2M 2 32398 NULL nohasharray -+ll_setxattr_common_32398 ll_setxattr_common 4 32398 &qla4_82xx_pci_mem_write_2M_32398 -+xfs_iext_add_indirect_multi_32400 xfs_iext_add_indirect_multi 3 32400 NULL -+lpfc_info_show_32404 lpfc_info_show 0 32404 NULL nohasharray -+usecs_to_dev_32404 usecs_to_dev 0 32404 &lpfc_info_show_32404 nohasharray -+lbs_host_sleep_cfg_32404 lbs_host_sleep_cfg 0 32404 &usecs_to_dev_32404 -+vmci_qp_alloc_32405 vmci_qp_alloc 3-5 32405 NULL nohasharray -+ad7266_preenable_32405 ad7266_preenable 0 32405 &vmci_qp_alloc_32405 -+dm1105_i2c_xfer_32406 dm1105_i2c_xfer 0-3 32406 NULL -+fc2580_rd_regs_32407 fc2580_rd_regs 0 32407 NULL -+kovaplus_sysfs_show_actual_profile_32412 kovaplus_sysfs_show_actual_profile 0 32412 NULL nohasharray -+store_shost_eh_deadline_32412 store_shost_eh_deadline 0-4 32412 &kovaplus_sysfs_show_actual_profile_32412 -+lpfc_programtype_show_32416 lpfc_programtype_show 0 32416 NULL -+start_reshape_32423 start_reshape 0 32423 NULL nohasharray -+xadc_update_scan_mode_32423 xadc_update_scan_mode 0 32423 &start_reshape_32423 -+SyS_send_32424 SyS_send 3 32424 NULL -+at86rf230_set_frame_retries_32429 at86rf230_set_frame_retries 0 32429 NULL -+blk_mq_hw_sysfs_rq_list_show_32433 blk_mq_hw_sysfs_rq_list_show 0 32433 NULL -+ocfs2_active_cluster_plugin_show_32436 ocfs2_active_cluster_plugin_show 0 32436 NULL -+xfs_alloc_put_freelist_32437 xfs_alloc_put_freelist 0 32437 NULL -+bcm7xxx_28nm_b0_afe_config_init_32439 bcm7xxx_28nm_b0_afe_config_init 0 32439 NULL nohasharray -+break_ksm_32439 break_ksm 0 32439 &bcm7xxx_28nm_b0_afe_config_init_32439 -+fore200e_pca_proc_read_32440 fore200e_pca_proc_read 0 32440 NULL nohasharray -+cfq_set_leaf_weight_32440 cfq_set_leaf_weight 0 32440 &fore200e_pca_proc_read_32440 nohasharray -+reiserfs_direct_IO_32440 reiserfs_direct_IO 3 32440 &cfq_set_leaf_weight_32440 -+show_in16_32441 show_in16 0 32441 NULL -+axnet_resume_32442 axnet_resume 0 32442 NULL -+cx25840_s_ctrl_32444 cx25840_s_ctrl 0 32444 NULL -+hpfs_symlink_readpage_32450 hpfs_symlink_readpage 0 32450 NULL -+set_status_32456 set_status 0 32456 NULL -+sdev_format_header_32457 sdev_format_header 0-2 32457 NULL -+hid_input_report_32458 hid_input_report 4 32458 NULL nohasharray -+wm8350_block_read_32458 wm8350_block_read 0 32458 &hid_input_report_32458 nohasharray -+__ext4_handle_dirty_super_32458 __ext4_handle_dirty_super 0 32458 &wm8350_block_read_32458 -+ext4_file_write_iter_32461 ext4_file_write_iter 0 32461 NULL -+cache_status_32462 cache_status 5 32462 NULL -+show_fanin_32463 show_fanin 0 32463 NULL nohasharray -+ftrace_hash_ipmodify_enable_32463 ftrace_hash_ipmodify_enable 0 32463 &show_fanin_32463 -+fill_readbuf_32464 fill_readbuf 3-0 32464 NULL nohasharray -+w5300_open_32464 w5300_open 0 32464 &fill_readbuf_32464 -+ieee80211_fill_mesh_addresses_32465 ieee80211_fill_mesh_addresses 0 32465 NULL nohasharray -+show_session_param_ISCSI_PARAM_BIDI_CHAP_EN_32465 show_session_param_ISCSI_PARAM_BIDI_CHAP_EN 0 32465 &ieee80211_fill_mesh_addresses_32465 -+ina209_show_value_32470 ina209_show_value 0 32470 NULL -+dlm_callback_start_32473 dlm_callback_start 0 32473 NULL -+piix4_access_32474 piix4_access 0 32474 NULL -+ore_io_execute_32479 ore_io_execute 0 32479 NULL -+copy_result_to_user_32486 copy_result_to_user 0 32486 NULL -+kovaplus_sysfs_show_firmware_version_32487 kovaplus_sysfs_show_firmware_version 0 32487 NULL -+temp0_show_32489 temp0_show 0 32489 NULL -+cs42l52_beep_set_32491 cs42l52_beep_set 0-4 32491 NULL -+ide_driver_proc_write_32493 ide_driver_proc_write 3-0 32493 NULL -+snd_emu10k1_fx8010_playback_prepare_32494 snd_emu10k1_fx8010_playback_prepare 0 32494 NULL -+sh_eth_vlan_rx_add_vid_32495 sh_eth_vlan_rx_add_vid 0 32495 NULL -+fuse_setxattr_32496 fuse_setxattr 0 32496 NULL -+lp3943_gpio_direction_input_32499 lp3943_gpio_direction_input 0 32499 NULL -+amd_xgbe_phy_cur_mode_32503 amd_xgbe_phy_cur_mode 0 32503 NULL -+initialize_32504 initialize 0 32504 NULL -+fwnet_open_32505 fwnet_open 0 32505 NULL -+adv7170_g_fmt_32507 adv7170_g_fmt 0 32507 NULL -+wiimote_cmd_read_32510 wiimote_cmd_read 0 32510 NULL nohasharray -+adt7411_read_10_bit_32510 adt7411_read_10_bit 0-4 32510 &wiimote_cmd_read_32510 nohasharray 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-+radeon_get_pm_profile_32545 radeon_get_pm_profile 0 32545 NULL -+format_devstat_counter_32550 format_devstat_counter 3-0 32550 NULL -+iscsi_tpg_attrib_store_default_erl_32551 iscsi_tpg_attrib_store_default_erl 0-3 32551 NULL -+show_fcstat_fcp_packet_alloc_failures_32552 show_fcstat_fcp_packet_alloc_failures 0 32552 NULL -+device_change_notifier_32558 device_change_notifier 0 32558 NULL -+bitmap_store_32559 bitmap_store 0-3 32559 NULL -+ipgre_header_32561 ipgre_header 0 32561 NULL nohasharray -+alloc_dma_desc_resources_32561 alloc_dma_desc_resources 0 32561 &ipgre_header_32561 nohasharray -+__blockdev_direct_IO_32561 __blockdev_direct_IO 5-0 32561 &alloc_dma_desc_resources_32561 -+aes_encrypt_fail_read_32562 aes_encrypt_fail_read 3-0 32562 NULL -+loop_attr_backing_file_show_32564 loop_attr_backing_file_show 0 32564 NULL -+osc_iocontrol_32565 osc_iocontrol 3 32565 NULL -+smi_data_write_32567 smi_data_write 0-6-5 32567 NULL -+nilfs_segments_segments_number_show_32568 nilfs_segments_segments_number_show 0 32568 NULL -+listen_32570 listen 0 32570 NULL -+__vlan_add_32575 __vlan_add 0 32575 NULL -+pnp_mem_len_32584 pnp_mem_len 0 32584 NULL nohasharray -+wl12xx_update_sta_state_32584 wl12xx_update_sta_state 0 32584 &pnp_mem_len_32584 -+mem_swapout_entry_32586 mem_swapout_entry 3-0 32586 NULL nohasharray -+jid_show_32586 jid_show 0 32586 &mem_swapout_entry_32586 -+pipeline_tcp_tx_stat_fifo_int_read_32589 pipeline_tcp_tx_stat_fifo_int_read 3-0 32589 NULL -+ath10k_mac_set_rts_32591 ath10k_mac_set_rts 0 32591 NULL nohasharray -+bnx2x_exe_queue_add_32591 bnx2x_exe_queue_add 0 32591 &ath10k_mac_set_rts_32591 -+print_cpus_kernel_max_32592 print_cpus_kernel_max 0 32592 NULL -+erst_exec_subtract_value_32594 erst_exec_subtract_value 0 32594 NULL -+read_file_beacon_32595 read_file_beacon 3-0 32595 NULL -+nilfs_dat_prepare_alloc_32598 nilfs_dat_prepare_alloc 0 32598 NULL -+show_fcoe_fcf_device_mac_32601 show_fcoe_fcf_device_mac 0 32601 NULL -+ieee80211_if_read_dropped_frames_congestion_32603 ieee80211_if_read_dropped_frames_congestion 3-0 32603 NULL -+sys_set_mempolicy_32608 sys_set_mempolicy 3 32608 NULL nohasharray -+dma_alloc_pages_32608 dma_alloc_pages 3 32608 &sys_set_mempolicy_32608 nohasharray -+status_control_read_32608 status_control_read 0-5-6 32608 &dma_alloc_pages_32608 nohasharray -+vbi_out_buf_prepare_32608 vbi_out_buf_prepare 0 32608 &status_control_read_32608 -+replace_page_cache_page_32613 replace_page_cache_page 0 32613 NULL -+show_spi_transport_rti_32617 show_spi_transport_rti 0 32617 NULL -+smsc75xx_ethtool_get_eeprom_len_32621 smsc75xx_ethtool_get_eeprom_len 0 32621 NULL -+lx_pipe_start_32625 lx_pipe_start 0 32625 NULL -+cifs_writepage_32626 cifs_writepage 0 32626 NULL -+irda_recvmsg_dgram_32631 irda_recvmsg_dgram 4-0 32631 NULL -+cfg80211_roamed_32632 cfg80211_roamed 7-5 32632 NULL -+po1030_set_auto_white_balance_32633 po1030_set_auto_white_balance 0 32633 NULL -+vpivci_to_channel_32635 vpivci_to_channel 0 32635 NULL -+ieee80211_hdrlen_32637 ieee80211_hdrlen 0 32637 NULL -+nilfs_cpfile_get_checkpoint_32639 nilfs_cpfile_get_checkpoint 0 32639 NULL nohasharray -+phonet_device_notify_32639 phonet_device_notify 0 32639 &nilfs_cpfile_get_checkpoint_32639 -+show_abi_version_32641 show_abi_version 0 32641 NULL nohasharray -+_isl12057_rtc_read_time_32641 _isl12057_rtc_read_time 0 32641 &show_abi_version_32641 -+ite_decode_bytes_32642 ite_decode_bytes 3 32642 NULL -+rtl8187_cmd_reset_32643 rtl8187_cmd_reset 0 32643 NULL -+xpcs_reg_value_read_32644 xpcs_reg_value_read 3-0 32644 NULL -+kvmalloc_32646 kvmalloc 1 32646 NULL nohasharray -+niu_get_sset_count_32646 niu_get_sset_count 0 32646 &kvmalloc_32646 -+cxacru_sysfs_show_upstream_bits_per_frame_32651 cxacru_sysfs_show_upstream_bits_per_frame 0 32651 NULL -+generic_readlink_32654 generic_readlink 3-0 32654 NULL nohasharray -+ftrace_startup_32654 ftrace_startup 0 32654 &generic_readlink_32654 -+snd_seq_device_dev_register_32666 snd_seq_device_dev_register 0 32666 NULL -+get_unaligned_be24_32667 get_unaligned_be24 0 32667 NULL -+vbi_cap_start_streaming_32668 vbi_cap_start_streaming 0 32668 NULL -+move_addr_to_kernel_32673 move_addr_to_kernel 2-0 32673 NULL -+__exofs_wait_obj_created_32678 __exofs_wait_obj_created 0 32678 NULL -+compat_SyS_preadv_32679 compat_SyS_preadv 3 32679 NULL -+mxl111sf_tuner_write_reg_32683 mxl111sf_tuner_write_reg 0 32683 NULL nohasharray -+lp_read_32683 lp_read 0-3 32683 &mxl111sf_tuner_write_reg_32683 -+via_lock_rate_32684 via_lock_rate 0 32684 NULL -+family_show_32685 family_show 0 32685 NULL -+tps80031_set_bits_32686 tps80031_set_bits 0 32686 NULL -+blkdev_writepage_32693 blkdev_writepage 0 32693 NULL -+si4713_i2c_write_32696 si4713_i2c_write 0 32696 NULL -+bnad_vlan_rx_add_vid_32699 bnad_vlan_rx_add_vid 0 32699 NULL -+si3054_init_32700 si3054_init 0 32700 NULL -+jfs_readpages_32702 jfs_readpages 4 32702 NULL nohasharray -+evdev_write_32702 evdev_write 0-3 32702 &jfs_readpages_32702 -+security_get_32703 security_get 0 32703 NULL nohasharray -+cgroup_migrate_32703 cgroup_migrate 0 32703 &security_get_32703 -+check_bdq_32704 check_bdq 0 32704 NULL -+xfs_filestream_new_ag_32711 xfs_filestream_new_ag 0 32711 NULL -+rt2x00debug_read_queue_dump_32712 rt2x00debug_read_queue_dump 3-0 32712 NULL -+stv06xx_write_sensor_words_32713 stv06xx_write_sensor_words 0 32713 NULL nohasharray -+xfs_bmbt_update_32713 xfs_bmbt_update 0 32713 &stv06xx_write_sensor_words_32713 nohasharray -+acpi_processor_suspend_32713 acpi_processor_suspend 0 32713 &xfs_bmbt_update_32713 -+_xfs_buf_get_pages_32715 _xfs_buf_get_pages 2 32715 NULL nohasharray -+vmxnet3_rq_init_32715 vmxnet3_rq_init 0 32715 &_xfs_buf_get_pages_32715 -+usb_ma901radio_s_ctrl_32718 usb_ma901radio_s_ctrl 0 32718 NULL -+show_conn_param_ISCSI_PARAM_EXP_STATSN_32720 show_conn_param_ISCSI_PARAM_EXP_STATSN 0 32720 NULL -+rpm_resume_32734 rpm_resume 0 32734 NULL -+ncp_make_open_32735 ncp_make_open 0 32735 NULL -+ping_get_port_32738 ping_get_port 0 32738 NULL nohasharray -+team_netpoll_setup_32738 team_netpoll_setup 0 32738 &ping_get_port_32738 -+e1000_alloc_ring_dma_32741 e1000_alloc_ring_dma 0 32741 NULL -+i40e_pci_sriov_enable_32742 i40e_pci_sriov_enable 2-0 32742 NULL -+mcp251x_set_normal_mode_32743 mcp251x_set_normal_mode 0 32743 NULL nohasharray -+slc_open_32743 slc_open 0 32743 &mcp251x_set_normal_mode_32743 -+stats_read_ul_32751 stats_read_ul 3-0 32751 NULL -+stv06xx_isoc_nego_32752 stv06xx_isoc_nego 0 32752 NULL -+every_nth_show_32754 every_nth_show 0 32754 NULL -+__uncore_thr_show_32756 __uncore_thr_show 0 32756 NULL -+tg_set_cfs_bandwidth_32757 tg_set_cfs_bandwidth 0 32757 NULL -+iwl_dbgfs_fw_dbg_conf_write_32770 iwl_dbgfs_fw_dbg_conf_write 0-3 32770 NULL -+vmci_transport_dgram_dequeue_32775 vmci_transport_dgram_dequeue 4-0 32775 NULL -+qt2_write_32776 qt2_write 0-4 32776 NULL -+target_stat_scsi_dev_attr_store_32778 target_stat_scsi_dev_attr_store 0 32778 NULL -+pcxhr_get_clock_reg_32779 pcxhr_get_clock_reg 0 32779 NULL nohasharray -+wl1251_cmd_configure_32779 wl1251_cmd_configure 0 32779 &pcxhr_get_clock_reg_32779 -+show_state_field_32780 show_state_field 0 32780 NULL -+rt2800usb_set_device_state_32783 rt2800usb_set_device_state 0 32783 NULL -+sctp_tsnmap_grow_32784 sctp_tsnmap_grow 2 32784 NULL nohasharray -+vbi_cap_buf_prepare_32784 vbi_cap_buf_prepare 0 32784 &sctp_tsnmap_grow_32784 -+ebt_out_hook_32788 ebt_out_hook 0 32788 NULL -+qla2x00_diag_megabytes_show_32789 qla2x00_diag_megabytes_show 0 32789 NULL -+ocfs2_read_inode_block_full_32790 ocfs2_read_inode_block_full 0 32790 NULL nohasharray -+show_tcpPassiveOpens_32790 show_tcpPassiveOpens 0 32790 &ocfs2_read_inode_block_full_32790 nohasharray -+p54_get_stats_32790 p54_get_stats 0 32790 &show_tcpPassiveOpens_32790 -+iscsi_disc_show_password_mutual_32793 iscsi_disc_show_password_mutual 0 32793 NULL -+xfs_trans_read_buf_32795 xfs_trans_read_buf 0 32795 NULL -+mv88e6xxx_reg_write_32803 mv88e6xxx_reg_write 0 32803 NULL -+ath5k_hw_reset_32804 ath5k_hw_reset 0 32804 NULL -+rproc_name_read_32805 rproc_name_read 3-0 32805 NULL -+get_register_page_interruptible_32809 get_register_page_interruptible 0-5 32809 NULL nohasharray -+target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs_32809 target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs 0-3 32809 &get_register_page_interruptible_32809 nohasharray -+b43legacy_attr_preamble_store_32809 b43legacy_attr_preamble_store 0-4 32809 &target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs_32809 -+copy_name_32811 copy_name 0-3 32811 NULL -+ieee80211_tdls_mgmt_32825 ieee80211_tdls_mgmt 10 32825 NULL -+mac802154_wpan_update_llsec_32831 mac802154_wpan_update_llsec 0 32831 NULL -+video_autosw_get_32836 video_autosw_get 0 32836 NULL -+__ksize_32837 __ksize 0 32837 NULL -+stk17ta8_nvram_write_32843 stk17ta8_nvram_write 0-6-5 32843 NULL -+phy_set_clr_bits_32845 phy_set_clr_bits 0-3-4 32845 NULL -+vga_rseq_32848 vga_rseq 0 32848 NULL -+amd64_inject_write_store_32852 amd64_inject_write_store 0-4 32852 NULL -+hdpvr_s_ctrl_32855 hdpvr_s_ctrl 0 32855 NULL -+show_32860 show 0 32860 NULL -+sta_tx_latency_stat_read_32862 sta_tx_latency_stat_read 3-0 32862 NULL -+new_tape_buffer_32866 new_tape_buffer 2 32866 NULL -+io_apic_setup_irq_pin_32868 io_apic_setup_irq_pin 1 32868 NULL nohasharray -+__uncore_match_vnw_show_32868 __uncore_match_vnw_show 0 32868 &io_apic_setup_irq_pin_32868 -+mxl5007t_write_reg_32872 mxl5007t_write_reg 0 32872 NULL -+solo_osd_print_32873 solo_osd_print 0 32873 NULL -+sha1_final_32876 sha1_final 0 32876 NULL -+cifs_writedata_alloc_32880 cifs_writedata_alloc 1 32880 NULL nohasharray -+ath6kl_usb_submit_ctrl_in_32880 ath6kl_usb_submit_ctrl_in 6 32880 &cifs_writedata_alloc_32880 nohasharray -+__tcp_splice_read_32880 __tcp_splice_read 0 32880 &ath6kl_usb_submit_ctrl_in_32880 -+wl12xx_cmd_config_fwlog_32882 wl12xx_cmd_config_fwlog 0 32882 NULL -+vp702x_usb_inout_cmd_32884 vp702x_usb_inout_cmd 4-6 32884 NULL nohasharray -+_convert_lock_32884 _convert_lock 0 32884 &vp702x_usb_inout_cmd_32884 -+ocfs2_iterate_xattr_index_block_32885 ocfs2_iterate_xattr_index_block 0 32885 NULL -+r820t_write_reg_32889 r820t_write_reg 0 32889 NULL -+ath6kl_usb_post_recv_transfers_32892 ath6kl_usb_post_recv_transfers 2 32892 NULL nohasharray -+msp_s_ctrl_32892 msp_s_ctrl 0 32892 &ath6kl_usb_post_recv_transfers_32892 -+visorchannel_dump_section_32893 visorchannel_dump_section 4 32893 NULL -+get_pwm1_auto_point_pwm_32898 get_pwm1_auto_point_pwm 0 32898 NULL -+ext4_get_group_number_32899 ext4_get_group_number 0-2 32899 NULL -+ath5k_hw_set_power_mode_32901 ath5k_hw_set_power_mode 0 32901 NULL -+bonding_show_carrier_32902 bonding_show_carrier 0 32902 NULL nohasharray -+tsl2550_show_power_state_32902 tsl2550_show_power_state 0 32902 &bonding_show_carrier_32902 -+arvo_sysfs_show_mode_key_32906 arvo_sysfs_show_mode_key 0 32906 NULL nohasharray -+lpss_reg_read_32906 lpss_reg_read 0 32906 &arvo_sysfs_show_mode_key_32906 -+write_policy_show_32908 write_policy_show 0 32908 NULL -+show_fan16_32912 show_fan16 0 32912 NULL -+il_dbgfs_tx_stats_read_32913 il_dbgfs_tx_stats_read 3-0 32913 NULL -+add_bound_rdev_32915 add_bound_rdev 0 32915 NULL -+show_32916 show 0 32916 NULL -+mcp3422_show_samp_freqs_32924 mcp3422_show_samp_freqs 0 32924 NULL nohasharray -+hibernate_32924 hibernate 0 32924 &mcp3422_show_samp_freqs_32924 -+zlib_inflate_workspacesize_32927 zlib_inflate_workspacesize 0 32927 NULL -+xen_swiotlb_dma_mapping_error_32931 xen_swiotlb_dma_mapping_error 0-2 32931 NULL -+nfs_direct_IO_32932 nfs_direct_IO 0 32932 NULL -+hdmi_conf_apply_32934 hdmi_conf_apply 0 32934 NULL -+i40e_vsi_configure_rx_32937 i40e_vsi_configure_rx 0 32937 NULL -+add_dev_to_thread_32944 add_dev_to_thread 0 32944 NULL -+chip_mc_read_32945 chip_mc_read 0 32945 NULL -+store_temp_auto_boost_hyst_32950 store_temp_auto_boost_hyst 0-4 32950 NULL -+usbatm_atm_proc_read_32951 usbatm_atm_proc_read 0 32951 NULL nohasharray -+set_gpio_32951 set_gpio 0-4 32951 &usbatm_atm_proc_read_32951 -+mdiobus_write_32952 mdiobus_write 0 32952 NULL -+trusted_list_32953 trusted_list 0-5 32953 NULL -+target_core_dev_pr_show_attr_res_pr_holder_tg_port_32956 target_core_dev_pr_show_attr_res_pr_holder_tg_port 0 32956 NULL -+ext4_valid_block_bitmap_32958 ext4_valid_block_bitmap 3 32958 NULL -+xfs_log_reserve_32959 xfs_log_reserve 0 32959 NULL -+wl1251_acx_group_address_tbl_32961 wl1251_acx_group_address_tbl 0 32961 NULL -+afs_writeback_all_32967 afs_writeback_all 0 32967 NULL -+mwl8k_cmd_set_hw_spec_32968 mwl8k_cmd_set_hw_spec 0 32968 NULL -+sh_eth_dev_init_32971 sh_eth_dev_init 0 32971 NULL nohasharray -+ext4_group_overhead_blocks_32971 ext4_group_overhead_blocks 0 32971 &sh_eth_dev_init_32971 -+saa7706h_i2c_send_32979 saa7706h_i2c_send 3-0 32979 NULL -+show_selfballooning_32982 show_selfballooning 0 32982 NULL -+show_fnode_header_digest_32983 show_fnode_header_digest 0 32983 NULL -+kvaser_usb_set_opt_mode_32990 kvaser_usb_set_opt_mode 0 32990 NULL -+iwl_mvm_phy_ctxt_apply_33000 iwl_mvm_phy_ctxt_apply 0 33000 NULL nohasharray -+netdev_change_mtu_33000 netdev_change_mtu 0 33000 &iwl_mvm_phy_ctxt_apply_33000 -+fm_v4l2_fops_read_33006 fm_v4l2_fops_read 0-3 33006 NULL -+ext3_alloc_blocks_33007 ext3_alloc_blocks 0-3 33007 NULL nohasharray -+SyS_syslog_33007 SyS_syslog 3 33007 &ext3_alloc_blocks_33007 -+iwl_mvm_power_update_mac_33008 iwl_mvm_power_update_mac 0 33008 NULL -+rt_mutex_slowtrylock_33011 rt_mutex_slowtrylock 0 33011 NULL -+br_multicast_set_hash_max_33012 br_multicast_set_hash_max 2 33012 NULL -+nvkm_pmu_create__33013 nvkm_pmu_create_ 4 33013 NULL -+xfs_attr3_leaf_setflag_33014 xfs_attr3_leaf_setflag 0 33014 NULL -+efivar_attr_store_33016 efivar_attr_store 0-4 33016 NULL nohasharray -+snd_hda_parse_hdmi_codec_33016 snd_hda_parse_hdmi_codec 0 33016 &efivar_attr_store_33016 -+dibx000_i2c_master_xfer_gpio12_33018 dibx000_i2c_master_xfer_gpio12 0-3 33018 NULL -+write_file_bt_ant_diversity_33019 write_file_bt_ant_diversity 3-0 33019 NULL -+af9005_write_register_bits_33021 af9005_write_register_bits 0 33021 NULL -+st_magn_buffer_postenable_33025 st_magn_buffer_postenable 0 33025 NULL -+dapm_widget_show_33027 dapm_widget_show 0 33027 NULL -+int340x_thermal_get_trip_type_33029 int340x_thermal_get_trip_type 0 33029 NULL -+show_current_governor_33033 show_current_governor 0 33033 NULL -+make_reservation_33038 make_reservation 0 33038 NULL -+ata_scsi_em_message_store_33040 ata_scsi_em_message_store 0-4 33040 NULL -+cxgb4vf_get_sset_count_33041 cxgb4vf_get_sset_count 0 33041 NULL -+ov7670_s_hflip_33044 ov7670_s_hflip 0 33044 NULL -+show_ch_count_33045 show_ch_count 0 33045 NULL -+show_sgid_33048 show_sgid 0 33048 NULL -+SYSC_lgetxattr_33049 SYSC_lgetxattr 4 33049 NULL -+pipeline_dec_packet_in_fifo_full_read_33052 pipeline_dec_packet_in_fifo_full_read 3-0 33052 NULL -+ebt_compat_match_offset_33053 ebt_compat_match_offset 0-2 33053 NULL -+bitmap_resize_33054 bitmap_resize 2-0 33054 NULL nohasharray -+nfs_readpage_33054 nfs_readpage 0 33054 &bitmap_resize_33054 -+show_sas_phy_maximum_linkrate_hw_33056 show_sas_phy_maximum_linkrate_hw 0 33056 NULL nohasharray -+qlcnic_send_cmd_descs_33056 qlcnic_send_cmd_descs 0 33056 &show_sas_phy_maximum_linkrate_hw_33056 -+cifs_getattr_33057 cifs_getattr 0 33057 NULL -+target_stat_scsi_lu_show_attr_read_mbytes_33059 target_stat_scsi_lu_show_attr_read_mbytes 0 33059 NULL nohasharray -+intel_ring_flush_all_caches_33059 intel_ring_flush_all_caches 0 33059 &target_stat_scsi_lu_show_attr_read_mbytes_33059 -+stats_dot11RTSSuccessCount_read_33065 stats_dot11RTSSuccessCount_read 3-0 33065 NULL -+sel_read_checkreqprot_33068 sel_read_checkreqprot 3-0 33068 NULL -+vbi_buffer_prepare_33070 vbi_buffer_prepare 0 33070 NULL -+gfs2_write_end_33073 gfs2_write_end 0-5 33073 NULL -+target_stat_scsi_dev_show_attr_role_33074 target_stat_scsi_dev_show_attr_role 0 33074 NULL nohasharray -+ff_write_ee_33074 ff_write_ee 0-2-4 33074 &target_stat_scsi_dev_show_attr_role_33074 -+__key_instantiate_and_link_33075 __key_instantiate_and_link 0 33075 NULL -+tomoyo_write_33076 tomoyo_write 0-3 33076 NULL -+dsa_slave_set_mac_address_33080 dsa_slave_set_mac_address 0 33080 NULL -+i8xx_pipe_crc_ctl_reg_33082 i8xx_pipe_crc_ctl_reg 0 33082 NULL -+acl_permission_check_33083 acl_permission_check 0 33083 NULL nohasharray -+si476x_radio_s_ctrl_33083 si476x_radio_s_ctrl 0 33083 &acl_permission_check_33083 -+os_desc_b_vendor_code_show_33087 os_desc_b_vendor_code_show 0 33087 NULL -+fcoe_cpu_callback_33094 fcoe_cpu_callback 0 33094 NULL -+snd_cx88_prepare_33099 snd_cx88_prepare 0 33099 NULL -+drv_attr_store_33101 drv_attr_store 0-4 33101 NULL -+vnic_dev_cmd_no_proxy_33109 vnic_dev_cmd_no_proxy 0 33109 NULL -+iscsi_tpg_param_store_MaxOutstandingR2T_33111 iscsi_tpg_param_store_MaxOutstandingR2T 0-3 33111 NULL -+ieee80211_fragment_33112 ieee80211_fragment 4 33112 NULL nohasharray -+dump_cr_33112 dump_cr 0 33112 &ieee80211_fragment_33112 nohasharray -+metadata_store_33112 metadata_store 0-3 33112 &dump_cr_33112 -+nf_nat_ipv4_local_fn_33119 nf_nat_ipv4_local_fn 0 33119 NULL nohasharray -+set_beep_33119 set_beep 0-4 33119 &nf_nat_ipv4_local_fn_33119 -+write_node_33121 write_node 4-0 33121 NULL -+llc_ui_sendmsg_33123 llc_ui_sendmsg 3 33123 NULL -+virtual_gb_store_33126 virtual_gb_store 0-3 33126 NULL -+fb_sys_write_33130 fb_sys_write 3 33130 NULL nohasharray -+cxgb4_inet6addr_handler_33130 cxgb4_inet6addr_handler 0 33130 &fb_sys_write_33130 -+sas_change_queue_depth_33131 sas_change_queue_depth 2-0 33131 NULL -+show_fcoe_ctlr_device_err_block_33135 show_fcoe_ctlr_device_err_block 0 33135 NULL nohasharray -+asm_rev_show_33135 asm_rev_show 0 33135 &show_fcoe_ctlr_device_err_block_33135 nohasharray -+i40e_vsi_add_vlan_33135 i40e_vsi_add_vlan 0 33135 &asm_rev_show_33135 -+iwl_mvm_mac_ctx_send_33141 iwl_mvm_mac_ctx_send 0 33141 NULL -+backlog_show_33143 backlog_show 0 33143 NULL nohasharray 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bq2415x_i2c_write 0 33181 NULL -+store_fc_private_host_tgtid_bind_type_33187 store_fc_private_host_tgtid_bind_type 0-4 33187 NULL -+hfsplus_security_listxattr_33189 hfsplus_security_listxattr 0-5 33189 NULL nohasharray -+il3945_dump_error_log_33189 il3945_dump_error_log 0-4 33189 &hfsplus_security_listxattr_33189 -+rtl_usb_start_33190 rtl_usb_start 0 33190 NULL nohasharray -+iwl_mvm_mac_ctxt_add_33190 iwl_mvm_mac_ctxt_add 0 33190 &rtl_usb_start_33190 -+nvkm_fuse_create__33192 nvkm_fuse_create_ 4 33192 NULL -+flash_store_33203 flash_store 0-4 33203 NULL -+dataflash_read_fact_otp_33204 dataflash_read_fact_otp 3-2 33204 NULL nohasharray -+r820t_write_reg_mask_33204 r820t_write_reg_mask 0 33204 &dataflash_read_fact_otp_33204 -+pp_read_33210 pp_read 3-0 33210 NULL nohasharray -+xen_allocate_irqs_dynamic_33210 xen_allocate_irqs_dynamic 1 33210 &pp_read_33210 nohasharray -+ax_open_33210 ax_open 0 33210 &xen_allocate_irqs_dynamic_33210 -+reqbufs_capture_33214 reqbufs_capture 0 33214 NULL 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35440 NULL -+adp8870_bl_l2_bright_max_show_35446 adp8870_bl_l2_bright_max_show 0 35446 NULL -+pci_siig_init_35448 pci_siig_init 0 35448 NULL -+bq24190_read_35453 bq24190_read 0 35453 NULL -+rdev_get_id_35454 rdev_get_id 0 35454 NULL -+asiliantfb_set_par_35455 asiliantfb_set_par 0 35455 NULL -+frame_ready_nolock_35459 frame_ready_nolock 0 35459 NULL -+efx_mcdi_rpc_async_quiet_35460 efx_mcdi_rpc_async_quiet 5-4 35460 NULL -+vmxnet3_change_mtu_35464 vmxnet3_change_mtu 0 35464 NULL -+rndis_filter_open_device_35471 rndis_filter_open_device 0 35471 NULL -+palmas_rtc_set_alarm_35472 palmas_rtc_set_alarm 0 35472 NULL -+ds2780_get_sense_resistor_value_35477 ds2780_get_sense_resistor_value 0 35477 NULL nohasharray -+mlog_mask_show_35477 mlog_mask_show 0 35477 &ds2780_get_sense_resistor_value_35477 -+dlm_user_purge_35479 dlm_user_purge 0 35479 NULL nohasharray -+attention_write_file_35479 attention_write_file 0-3 35479 &dlm_user_purge_35479 -+show_eeprom4_35483 show_eeprom4 0 35483 NULL 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35690 NULL nohasharray -+snd_sb16_capture_prepare_35690 snd_sb16_capture_prepare 0 35690 &SYSC_pwritev_35690 -+rds_page_copy_user_35691 rds_page_copy_user 4 35691 NULL nohasharray -+p54_start_35691 p54_start 0 35691 &rds_page_copy_user_35691 -+cx2341x_s_ctrl_35698 cx2341x_s_ctrl 0 35698 NULL -+md_super_write_35703 md_super_write 4 35703 NULL -+sctp_listen_start_35709 sctp_listen_start 0 35709 NULL -+toshiba_panel_power_on_get_35719 toshiba_panel_power_on_get 0 35719 NULL -+bnx2_change_mac_addr_35722 bnx2_change_mac_addr 0 35722 NULL -+i2c_smbus_write_block_data_35723 i2c_smbus_write_block_data 0 35723 NULL nohasharray -+mv88e6xxx_phy_page_write_35723 mv88e6xxx_phy_page_write 0 35723 &i2c_smbus_write_block_data_35723 -+mlx4_internal_err_ret_value_35725 mlx4_internal_err_ret_value 0 35725 NULL -+vfio_fops_read_35733 vfio_fops_read 0-3 35733 NULL -+ipr_copy_ucode_buffer_35736 ipr_copy_ucode_buffer 0 35736 NULL -+read_35737 read 0 35737 NULL nohasharray -+sd_start_ov361x_35737 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show_fnode_username 0 36398 NULL -+afs_alloc_flat_call_36399 afs_alloc_flat_call 2-3 36399 NULL nohasharray -+__uncore_filter_link2_show_36399 __uncore_filter_link2_show 0 36399 &afs_alloc_flat_call_36399 nohasharray -+xennet_change_mtu_36399 xennet_change_mtu 0 36399 &__uncore_filter_link2_show_36399 -+sierra_write_36402 sierra_write 4-0 36402 NULL -+rx_over_errors_show_36403 rx_over_errors_show 0 36403 NULL nohasharray -+iwl_dbgfs_d3_sram_write_36403 iwl_dbgfs_d3_sram_write 0-3 36403 &rx_over_errors_show_36403 -+_iwl_dbgfs_uapsd_misbehaving_write_36405 _iwl_dbgfs_uapsd_misbehaving_write 3-0 36405 NULL -+selinux_inode_listsecurity_36406 selinux_inode_listsecurity 0 36406 NULL -+qdsb_get_36409 qdsb_get 0 36409 NULL -+msb_update_block_36412 msb_update_block 2 36412 NULL nohasharray -+gadget_dev_desc_bcdUSB_show_36412 gadget_dev_desc_bcdUSB_show 0 36412 &msb_update_block_36412 -+teles_suspend_36416 teles_suspend 0 36416 NULL -+da9063_buck_get_status_36417 da9063_buck_get_status 0 36417 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-+crypto_shash_update_41802 crypto_shash_update 0 41802 &hsi_alloc_controller_41802 -+show_contrast_41806 show_contrast 0 41806 NULL -+fat_write_end_41812 fat_write_end 5-0 41812 NULL nohasharray -+rtw_android_get_macaddr_41812 rtw_android_get_macaddr 0 41812 &fat_write_end_41812 -+da9052_enable_irq_41814 da9052_enable_irq 2 41814 NULL nohasharray -+input_dev_show_name_41814 input_dev_show_name 0 41814 &da9052_enable_irq_41814 -+sco_send_frame_41815 sco_send_frame 3-0 41815 NULL nohasharray -+validate_device_41815 validate_device 0 41815 &sco_send_frame_41815 -+ecryptfs_write_begin_41816 ecryptfs_write_begin 0 41816 NULL -+ov7670_write_i2c_41817 ov7670_write_i2c 0 41817 NULL -+ocfs2_write_end_41820 ocfs2_write_end 0-5 41820 NULL -+_ctl_io_delay_show_41822 _ctl_io_delay_show 0 41822 NULL -+ieee802154_hdr_push_41823 ieee802154_hdr_push 0 41823 NULL -+show_ipFragFails_41824 show_ipFragFails 0 41824 NULL -+acpi_device_set_power_41826 acpi_device_set_power 0 41826 NULL -+kimage_file_alloc_init_41827 kimage_file_alloc_init 5 41827 NULL -+_i8k_get_temp_41837 _i8k_get_temp 0 41837 NULL -+test_irq_show_41838 test_irq_show 0 41838 NULL -+ixgbe_dbg_netdev_ops_read_41839 ixgbe_dbg_netdev_ops_read 3-0 41839 NULL -+em28xx_read_reg_req_41842 em28xx_read_reg_req 0 41842 NULL nohasharray -+i40evf_setup_all_rx_resources_41842 i40evf_setup_all_rx_resources 0 41842 &em28xx_read_reg_req_41842 -+int340x_thermal_get_trip_temp_41843 int340x_thermal_get_trip_temp 0 41843 NULL -+do_ip_setsockopt_41852 do_ip_setsockopt 5-0 41852 NULL -+tcp_packets_in_flight_41853 tcp_packets_in_flight 0 41853 NULL -+keyctl_instantiate_key_41855 keyctl_instantiate_key 3 41855 NULL nohasharray -+unexport_store_41855 unexport_store 0-4 41855 &keyctl_instantiate_key_41855 -+xfs_rtget_summary_41864 xfs_rtget_summary 0 41864 NULL nohasharray -+hid_sensor_data_rdy_trigger_set_state_41864 hid_sensor_data_rdy_trigger_set_state 0 41864 &xfs_rtget_summary_41864 -+amd_uncore_attr_show_cpumask_41867 amd_uncore_attr_show_cpumask 0 41867 NULL -+pci_map_single_41869 pci_map_single 0 41869 NULL -+tg3_init_rings_41872 tg3_init_rings 0 41872 NULL -+cachefiles_daemon_fstop_41874 cachefiles_daemon_fstop 0 41874 NULL -+acpi_ut_acquire_mutex_41878 acpi_ut_acquire_mutex 0 41878 NULL nohasharray -+btrfs_file_write_iter_41878 btrfs_file_write_iter 0 41878 &acpi_ut_acquire_mutex_41878 -+store_nfilters_41883 store_nfilters 4-0 41883 NULL -+__dev_queue_xmit_41888 __dev_queue_xmit 0 41888 NULL -+nf_nat_ipv4_out_41891 nf_nat_ipv4_out 0 41891 NULL -+target_stat_scsi_dev_show_attr_indx_41895 target_stat_scsi_dev_show_attr_indx 0 41895 NULL -+qla2x00_beacon_store_41899 qla2x00_beacon_store 0-4 41899 NULL -+snd_cx25821_card_trigger_41908 snd_cx25821_card_trigger 0 41908 NULL -+mantis_i2c_write_41910 mantis_i2c_write 0 41910 NULL -+pem_show_bool_41911 pem_show_bool 0 41911 NULL nohasharray -+bch_cache_store_41911 bch_cache_store 0-4 41911 &pem_show_bool_41911 -+C_SYSC_mq_timedsend_41914 C_SYSC_mq_timedsend 3 41914 NULL nohasharray -+get_packet_41914 get_packet 3 41914 &C_SYSC_mq_timedsend_41914 nohasharray -+mem_show_41914 mem_show 0 41914 &get_packet_41914 -+get_fdb_entries_41916 get_fdb_entries 3 41916 NULL -+build_inv_iotlb_pages_41922 build_inv_iotlb_pages 4-5 41922 NULL -+show_use_blk_mq_41924 show_use_blk_mq 0 41924 NULL nohasharray -+ecryptfs_setxattr_41924 ecryptfs_setxattr 0 41924 &show_use_blk_mq_41924 nohasharray -+mtrr_del_page_41924 mtrr_del_page 0-1 41924 &ecryptfs_setxattr_41924 -+isl1208_rtc_toggle_alarm_41925 isl1208_rtc_toggle_alarm 0 41925 NULL -+pci_dev_show_local_cpu_41927 pci_dev_show_local_cpu 0 41927 NULL nohasharray -+qmi_wwan_manage_power_41927 qmi_wwan_manage_power 0 41927 &pci_dev_show_local_cpu_41927 -+em2800_i2c_recv_bytes_41929 em2800_i2c_recv_bytes 0 41929 NULL nohasharray -+dbg_old_index_check_init_41929 dbg_old_index_check_init 0 41929 &em2800_i2c_recv_bytes_41929 -+txq_init_41933 txq_init 0 41933 NULL -+vhci_create_device_41934 vhci_create_device 0 41934 NULL -+ext4_da_write_inline_data_begin_41935 ext4_da_write_inline_data_begin 4-3 41935 NULL -+i40evf_change_mtu_41943 i40evf_change_mtu 0 41943 NULL -+sci_rxfill_41945 sci_rxfill 0 41945 NULL -+read_gssp_41947 read_gssp 3-0 41947 NULL -+iscsi_iser_recv_41948 iscsi_iser_recv 4 41948 NULL -+ocfs2_xattr_bucket_get_name_value_41949 ocfs2_xattr_bucket_get_name_value 0 41949 NULL nohasharray -+smack_inode_permission_41949 smack_inode_permission 0 41949 &ocfs2_xattr_bucket_get_name_value_41949 -+skcipher_alloc_sgl_41956 skcipher_alloc_sgl 0 41956 NULL -+show_fc_host_fabric_name_41957 show_fc_host_fabric_name 0 41957 NULL -+portnames_read_41958 portnames_read 3-0 41958 NULL -+ubi_self_check_all_ff_41959 ubi_self_check_all_ff 4-0 41959 NULL nohasharray -+pyra_sysfs_read_profilex_buttons_41959 pyra_sysfs_read_profilex_buttons 0-5-6 41959 &ubi_self_check_all_ff_41959 -+show_sched6_41960 show_sched6 0 41960 NULL -+show_als_41966 show_als 0 41966 NULL nohasharray 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-+fan_set_cur_state_42012 fan_set_cur_state 0 42012 &af9035_i2c_master_xfer_42012 -+spidev_sync_read_42014 spidev_sync_read 0 42014 NULL -+rs_sta_dbgfs_scale_table_write_42017 rs_sta_dbgfs_scale_table_write 3-0 42017 NULL -+ath10k_write_nf_cal_period_42019 ath10k_write_nf_cal_period 3-0 42019 NULL -+sony_pic_fanspeed_show_42021 sony_pic_fanspeed_show 0 42021 NULL -+create_port0_egr_42027 create_port0_egr 0 42027 NULL -+acpi_ut_create_buffer_object_42030 acpi_ut_create_buffer_object 1 42030 NULL -+ql_cam_route_initialize_42031 ql_cam_route_initialize 0 42031 NULL -+device_get_child_node_count_42032 device_get_child_node_count 0 42032 NULL -+__hwahc_op_set_gtk_42038 __hwahc_op_set_gtk 4 42038 NULL -+alloc_trace_kprobe_42041 alloc_trace_kprobe 6 42041 NULL -+acpi_power_on_42044 acpi_power_on 0 42044 NULL -+xfs_allocbt_free_block_42045 xfs_allocbt_free_block 0 42045 NULL -+irda_sendmsg_ultra_42047 irda_sendmsg_ultra 4-0 42047 NULL nohasharray -+qlcnic_sriov_func_to_index_42047 qlcnic_sriov_func_to_index 0 42047 &irda_sendmsg_ultra_42047 -+jffs2_do_link_42048 jffs2_do_link 6 42048 NULL nohasharray -+dma_generic_alloc_coherent_42048 dma_generic_alloc_coherent 2 42048 &jffs2_do_link_42048 -+ps_poll_upsd_max_ap_turn_read_42050 ps_poll_upsd_max_ap_turn_read 3-0 42050 NULL nohasharray -+__uncore_match0_show_42050 __uncore_match0_show 0 42050 &ps_poll_upsd_max_ap_turn_read_42050 -+get_xstats_size_42051 get_xstats_size 0 42051 NULL -+compat_sys_sendfile_42055 compat_sys_sendfile 4 42055 NULL -+v9fs_vfs_writepage_42056 v9fs_vfs_writepage 0 42056 NULL -+iwl_mvm_scan_size_42057 iwl_mvm_scan_size 0 42057 NULL -+rpipe_aim_42059 rpipe_aim 0 42059 NULL -+show_tcpAttemptFails_42066 show_tcpAttemptFails 0 42066 NULL nohasharray -+asix_set_mac_address_42066 asix_set_mac_address 0 42066 &show_tcpAttemptFails_42066 -+bh1770_get_lux_rate_avail_42067 bh1770_get_lux_rate_avail 0 42067 NULL -+ceph_readpage_from_fscache_42073 ceph_readpage_from_fscache 0 42073 NULL nohasharray -+store_target_speed_42073 store_target_speed 0-4 42073 &ceph_readpage_from_fscache_42073 -+ql_write_cfg_42074 ql_write_cfg 0 42074 NULL -+show_conn_param_ISCSI_PARAM_PERSISTENT_PORT_42076 show_conn_param_ISCSI_PARAM_PERSISTENT_PORT 0 42076 NULL -+named_prepare_buf_42077 named_prepare_buf 3 42077 NULL -+si4713_powerdown_42078 si4713_powerdown 0 42078 NULL -+ath10k_ce_init_src_ring_42080 ath10k_ce_init_src_ring 0 42080 NULL -+SMB2_read_42082 SMB2_read 0 42082 NULL -+bat1_show_42084 bat1_show 0 42084 NULL -+alloc_bitset_42085 alloc_bitset 1 42085 NULL -+scsi_execute_req_42088 scsi_execute_req 5 42088 NULL -+store_rotate_all_42089 store_rotate_all 0-4 42089 NULL -+dfx_open_42091 dfx_open 0 42091 NULL -+sh_eth_reset_42097 sh_eth_reset 0 42097 NULL -+dlm_release_lockspace_42098 dlm_release_lockspace 0 42098 NULL -+ext4_sync_file_42100 ext4_sync_file 0 42100 NULL -+rtc_sysfs_show_wakealarm_42102 rtc_sysfs_show_wakealarm 0 42102 NULL -+show_bank2_alarm_42104 show_bank2_alarm 0 42104 NULL -+bcmgenet_init_dma_42105 bcmgenet_init_dma 0 42105 NULL -+submit_inquiry_42108 submit_inquiry 3 42108 NULL nohasharray -+brport_store_42108 brport_store 0-4 42108 &submit_inquiry_42108 -+dw_dma_cyclic_prep_42113 dw_dma_cyclic_prep 4-3 42113 NULL -+ubifs_tnc_read_node_42119 ubifs_tnc_read_node 0 42119 NULL -+ext4_do_update_inode_42127 ext4_do_update_inode 0 42127 NULL -+notify_send_init_42129 notify_send_init 0 42129 NULL -+Read_hfc16_stable_42131 Read_hfc16_stable 0 42131 NULL -+si476x_core_parse_and_nag_about_error_42136 si476x_core_parse_and_nag_about_error 0 42136 NULL -+bb_buf_prepare_42137 bb_buf_prepare 0 42137 NULL -+threads_start_42139 threads_start 0 42139 NULL -+bq24190_sysfs_show_42146 bq24190_sysfs_show 0 42146 NULL -+lapb_register_42149 lapb_register 0 42149 NULL nohasharray -+efx_change_mtu_42149 efx_change_mtu 0 42149 &lapb_register_42149 -+ubifs_lookup_level0_42156 ubifs_lookup_level0 0 42156 NULL -+iwl_mvm_mac_ctxt_init_42158 iwl_mvm_mac_ctxt_init 0 42158 NULL -+blk_ioctl_zeroout_42160 blk_ioctl_zeroout 3 42160 NULL -+mmc_align_data_size_42161 mmc_align_data_size 0-2 42161 NULL nohasharray -+af9015_i2c_xfer_42161 af9015_i2c_xfer 0-3 42161 &mmc_align_data_size_42161 -+mv_u3d_ep_queue_42164 mv_u3d_ep_queue 0 42164 NULL -+gadget_strings_serialnumber_store_42166 gadget_strings_serialnumber_store 0-3 42166 NULL -+ceph_vxattrcb_layout_pool_42167 ceph_vxattrcb_layout_pool 0 42167 NULL nohasharray -+pps_enable_store_42167 pps_enable_store 0-4 42167 &ceph_vxattrcb_layout_pool_42167 nohasharray -+store_host_reset_42167 store_host_reset 0-4 42167 &pps_enable_store_42167 -+read_file_base_eeprom_42168 read_file_base_eeprom 3-0 42168 NULL -+gfs2_statfs_slow_42170 gfs2_statfs_slow 0 42170 NULL -+iwl_mvm_send_cmd_42173 iwl_mvm_send_cmd 0 42173 NULL nohasharray -+max8998_ldo_disable_42173 max8998_ldo_disable 0 42173 &iwl_mvm_send_cmd_42173 -+power_restore_42174 power_restore 0 42174 NULL -+at86rf230_set_lbt_42175 at86rf230_set_lbt 0 42175 NULL -+shash_finup_unaligned_42176 shash_finup_unaligned 0 42176 NULL -+oprofilefs_str_to_user_42182 oprofilefs_str_to_user 3-0 42182 NULL -+dn_dev_bind_default_42183 dn_dev_bind_default 0 42183 NULL -+show_rc6_mask_42184 show_rc6_mask 0 42184 NULL -+write_file_beacon_42185 write_file_beacon 3-0 42185 NULL -+mwifiex_cmd_amsdu_aggr_ctrl_42192 mwifiex_cmd_amsdu_aggr_ctrl 0 42192 NULL -+reset_slot_42194 reset_slot 0 42194 NULL -+crc32_pclmul_finup_42200 crc32_pclmul_finup 0 42200 NULL -+get_znodes_to_commit_42201 get_znodes_to_commit 0 42201 NULL -+hdlcdrv_open_42202 hdlcdrv_open 0 42202 NULL -+sprom2hex_42204 sprom2hex 0 42204 NULL -+v9fs_write_begin_42211 v9fs_write_begin 0 42211 NULL -+ixgbe_add_mac_filter_42218 ixgbe_add_mac_filter 0 42218 NULL -+cifs_listxattr_42223 cifs_listxattr 0-3 42223 NULL -+s35390a_rtc_set_alarm_42224 s35390a_rtc_set_alarm 0 42224 NULL -+qlge_set_mac_address_42227 qlge_set_mac_address 0 42227 NULL -+pla_ocp_read_42235 pla_ocp_read 3 42235 NULL nohasharray -+blockdev_direct_IO_42235 blockdev_direct_IO 0-5 42235 &pla_ocp_read_42235 -+nilfs_segments_blocks_per_segment_show_42237 nilfs_segments_blocks_per_segment_show 0 42237 NULL -+pci_user_read_config_word_42240 pci_user_read_config_word 0 42240 NULL nohasharray -+i915_l3_write_42240 i915_l3_write 0-6-5 42240 &pci_user_read_config_word_42240 -+snd_pcm_pre_suspend_42241 snd_pcm_pre_suspend 0 42241 NULL -+xfs_rtfree_range_42244 xfs_rtfree_range 0 42244 NULL -+pch_gbe_up_42245 pch_gbe_up 0 42245 NULL -+store_mlid_42247 store_mlid 0-4 42247 NULL -+islpci_reset_if_42249 islpci_reset_if 0 42249 NULL -+usbtv_start_42251 usbtv_start 0 42251 NULL -+v9fs_vfs_setattr_42252 v9fs_vfs_setattr 0 42252 NULL -+rx_defrag_need_decrypt_read_42253 rx_defrag_need_decrypt_read 3-0 42253 NULL -+resources_store_42255 resources_store 0-4 42255 NULL -+netxen_nic_map_indirect_address_128M_42257 netxen_nic_map_indirect_address_128M 2 42257 NULL nohasharray -+amd5536_udc_start_42257 amd5536_udc_start 0 42257 &netxen_nic_map_indirect_address_128M_42257 -+find_last_bit_42260 find_last_bit 0-2 42260 NULL -+show_fc_host_port_name_42264 show_fc_host_port_name 0 42264 NULL -+ctnetlink_proto_size_42270 ctnetlink_proto_size 0 42270 NULL -+__pcpu_size_to_slot_42271 __pcpu_size_to_slot 0 42271 NULL -+__tty_buffer_request_room_42276 __tty_buffer_request_room 2-0 42276 NULL -+snd_pcm_hw_param_value_max_42280 snd_pcm_hw_param_value_max 0 42280 NULL nohasharray -+pinctrl_gpio_direction_output_42280 pinctrl_gpio_direction_output 0 42280 &snd_pcm_hw_param_value_max_42280 -+rtnl_link_get_af_size_42296 rtnl_link_get_af_size 0 42296 NULL -+xadc_preenable_42298 xadc_preenable 0 42298 NULL -+__cpus_weight_42299 __cpus_weight 0 42299 NULL -+sel_read_perm_42302 sel_read_perm 3-0 42302 NULL -+xfs_attr3_leaf_add_work_42303 xfs_attr3_leaf_add_work 0 42303 NULL -+sctp_setsockopt_del_key_42304 sctp_setsockopt_del_key 3-0 42304 NULL nohasharray -+ulong_read_file_42304 ulong_read_file 3-0 42304 &sctp_setsockopt_del_key_42304 -+key_payload_reserve_42307 key_payload_reserve 0 42307 NULL -+xfs_vm_readpages_42308 xfs_vm_readpages 4 42308 NULL -+sco_sock_getname_42312 sco_sock_getname 0 42312 NULL -+bnep_sock_create_42314 bnep_sock_create 0 42314 NULL -+qlcnic_sriov_pf_set_vport_info_42316 qlcnic_sriov_pf_set_vport_info 0 42316 NULL -+osdname_show_42317 osdname_show 0 42317 NULL -+max_luns_show_42319 max_luns_show 0 42319 NULL -+axxia_i2c_xfer_42322 axxia_i2c_xfer 0-3 42322 NULL nohasharray -+bcm_tx_send_42322 bcm_tx_send 0 42322 &axxia_i2c_xfer_42322 -+hysdn_conf_read_42324 hysdn_conf_read 3 42324 NULL -+ov772x_g_crop_42326 ov772x_g_crop 0 42326 NULL -+tcp_sync_mss_42330 tcp_sync_mss 2-0 42330 NULL -+bh1770_get_lux_thresh_below_42336 bh1770_get_lux_thresh_below 0 42336 NULL -+snd_pcm_plug_alloc_42339 snd_pcm_plug_alloc 2-0 42339 NULL -+regulator_state_show_42345 regulator_state_show 0 42345 NULL nohasharray -+store_42345 store 0-3 42345 &regulator_state_show_42345 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42393 NULL -+cx25821_start_streaming_42395 cx25821_start_streaming 0 42395 NULL -+r9701_get_datetime_42402 r9701_get_datetime 0 42402 NULL -+brcms_ops_add_interface_42403 brcms_ops_add_interface 0 42403 NULL -+msnd_fifo_read_42406 msnd_fifo_read 0-3 42406 NULL -+pci_resource_alignment_store_42407 pci_resource_alignment_store 0-3 42407 NULL -+SYSC_recv_42413 SYSC_recv 3 42413 NULL -+store_spi_transport_period_helper_42414 store_spi_transport_period_helper 0-3 42414 NULL -+qlcnic_sriov_prepare_bc_hdr_42416 qlcnic_sriov_prepare_bc_hdr 0 42416 NULL -+krng_get_random_42420 krng_get_random 3 42420 NULL -+wm831x_clkout_prepare_42426 wm831x_clkout_prepare 0 42426 NULL -+ixgbevf_write_posted_mbx_42428 ixgbevf_write_posted_mbx 0 42428 NULL -+device_read_42432 device_read 0-3 42432 NULL -+__iio_add_chan_devattr_42434 __iio_add_chan_devattr 0 42434 NULL nohasharray -+ixgbevf_poll_for_msg_42434 ixgbevf_poll_for_msg 0 42434 &__iio_add_chan_devattr_42434 -+btrfs_nodesize_show_42436 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ext3_valid_block_bitmap 3 42459 NULL -+show_lcdtype_42462 show_lcdtype 0 42462 NULL -+show_lid_resume_42464 show_lid_resume 0 42464 NULL -+strobe_set_42472 strobe_set 0 42472 NULL -+__simple_xattr_set_42474 __simple_xattr_set 4-0 42474 NULL -+sta_state_42478 sta_state 0 42478 NULL -+show_coresize_42479 show_coresize 0 42479 NULL -+ocfs2_xattr_ibody_list_42480 ocfs2_xattr_ibody_list 0 42480 NULL -+kernel_recvmsg_42482 kernel_recvmsg 0-5 42482 NULL -+set_zone_42484 set_zone 0-4 42484 NULL -+omfs_readpages_42490 omfs_readpages 4 42490 NULL nohasharray -+nfulnl_rcv_nl_event_42490 nfulnl_rcv_nl_event 0 42490 &omfs_readpages_42490 nohasharray -+store_spi_transport_hold_mcs_42490 store_spi_transport_hold_mcs 0-4 42490 &nfulnl_rcv_nl_event_42490 -+parport_mos7715_read_data_42492 parport_mos7715_read_data 0 42492 NULL nohasharray -+wl1251_acx_sleep_auth_42492 wl1251_acx_sleep_auth 0 42492 &parport_mos7715_read_data_42492 -+callback_42494 callback 0 42494 NULL 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crypto_ahash_walk_first 0 42630 NULL -+snd_hwdep_dev_register_42632 snd_hwdep_dev_register 0 42632 NULL -+ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout_42635 ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout 3 42635 NULL -+iommu_tbl_range_alloc_42638 iommu_tbl_range_alloc 5-3-6 42638 NULL -+b43legacy_wireless_core_init_42640 b43legacy_wireless_core_init 0 42640 NULL -+br_mdb_rehash_42643 br_mdb_rehash 2 42643 NULL -+num_controllers_42644 num_controllers 0 42644 NULL -+mc13783_adc_read_bp_42646 mc13783_adc_read_bp 0 42646 NULL -+gpio_request_enable_42647 gpio_request_enable 0 42647 NULL nohasharray -+sis190_get_regs_len_42647 sis190_get_regs_len 0 42647 &gpio_request_enable_42647 -+i7core_mce_check_error_42651 i7core_mce_check_error 0 42651 NULL -+_regmap_raw_write_42652 _regmap_raw_write 2-4-0 42652 NULL -+i40e_setup_rx_descriptors_42655 i40e_setup_rx_descriptors 0 42655 NULL -+ess_audio_prepare_for_input_42659 ess_audio_prepare_for_input 0 42659 NULL -+print_nodes_state_42664 print_nodes_state 0 42664 NULL -+s5p_mfc_start_streaming_42666 s5p_mfc_start_streaming 0 42666 NULL -+pinctrl_gpio_direction_input_42668 pinctrl_gpio_direction_input 0 42668 NULL -+acpi_power_get_inferred_state_42669 acpi_power_get_inferred_state 0 42669 NULL nohasharray -+ipx_setsockopt_42669 ipx_setsockopt 0 42669 &acpi_power_get_inferred_state_42669 -+show_cidmode_42671 show_cidmode 0 42671 NULL -+l2tp_xmit_skb_42672 l2tp_xmit_skb 3 42672 NULL -+btrfs_label_store_42678 btrfs_label_store 0-4 42678 NULL -+xgbe_calc_rx_buf_size_42681 xgbe_calc_rx_buf_size 0-2 42681 NULL -+rocker_group_tbl_do_42683 rocker_group_tbl_do 0 42683 NULL -+at91_sysfs_set_mb0_id_42685 at91_sysfs_set_mb0_id 0-4 42685 NULL -+cifs_spnego_key_instantiate_42686 cifs_spnego_key_instantiate 0 42686 NULL nohasharray -+store_spi_transport_wr_flow_42686 store_spi_transport_wr_flow 0-4 42686 &cifs_spnego_key_instantiate_42686 -+wiimod_pro_calib_store_42692 wiimod_pro_calib_store 0-4 42692 NULL -+request_key_and_link_42693 request_key_and_link 4 42693 NULL nohasharray -+rsi_send_internal_mgmt_frame_42693 rsi_send_internal_mgmt_frame 0 42693 &request_key_and_link_42693 -+acpi_dev_get_irqresource_42694 acpi_dev_get_irqresource 2 42694 NULL nohasharray -+iio_trigger_attach_poll_func_42694 iio_trigger_attach_poll_func 0 42694 &acpi_dev_get_irqresource_42694 -+ipoib_vlan_delete_42696 ipoib_vlan_delete 0 42696 NULL -+nilfs_btnode_submit_block_42698 nilfs_btnode_submit_block 0 42698 NULL -+bnx2fc_ctlr_enabled_42700 bnx2fc_ctlr_enabled 0 42700 NULL -+vb2_read_42703 vb2_read 3-0 42703 NULL -+store_sas_link_reset_42705 store_sas_link_reset 4-0 42705 NULL -+sierra_net_send_cmd_42708 sierra_net_send_cmd 3 42708 NULL nohasharray -+hard_show_42708 hard_show 0 42708 &sierra_net_send_cmd_42708 -+pm8001_ctl_max_sg_list_show_42710 pm8001_ctl_max_sg_list_show 0 42710 NULL -+taos_smbus_xfer_42714 taos_smbus_xfer 0 42714 NULL -+regulator_print_state_42718 regulator_print_state 0 42718 NULL -+adxl34x_calibrate_show_42719 adxl34x_calibrate_show 0 42719 NULL -+read_status_42722 read_status 0 42722 NULL nohasharray -+ath10k_pci_qca6174_chip_reset_42722 ath10k_pci_qca6174_chip_reset 0 42722 &read_status_42722 -+selinux_ip_postroute_42725 selinux_ip_postroute 0 42725 NULL -+setup_ntlmv2_rsp_42726 setup_ntlmv2_rsp 0 42726 NULL -+iwl_mvm_coex_dump_mbox_old_42727 iwl_mvm_coex_dump_mbox_old 0-3-4 42727 NULL -+bmg160_data_rdy_trigger_set_state_42728 bmg160_data_rdy_trigger_set_state 0 42728 NULL -+ath10k_pci_warm_reset_42729 ath10k_pci_warm_reset 0 42729 NULL -+dvb_demux_ioctl_42733 dvb_demux_ioctl 2 42733 NULL nohasharray -+target_stat_scsi_auth_intr_show_attr_hs_num_cmds_42733 target_stat_scsi_auth_intr_show_attr_hs_num_cmds 0 42733 &dvb_demux_ioctl_42733 nohasharray -+fw_get_filesystem_firmware_42733 fw_get_filesystem_firmware 0 42733 &target_stat_scsi_auth_intr_show_attr_hs_num_cmds_42733 -+set_aoe_iflist_42737 set_aoe_iflist 2 42737 NULL nohasharray -+igbvf_get_regs_len_42737 igbvf_get_regs_len 0 42737 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-+lp3943_gpio_direction_output_42778 lp3943_gpio_direction_output 0 42778 NULL -+snd_midi_event_decode_42780 snd_midi_event_decode 0 42780 NULL -+cryptd_hash_setkey_42781 cryptd_hash_setkey 3 42781 NULL nohasharray -+isku_sysfs_read_info_42781 isku_sysfs_read_info 6-0-5 42781 &cryptd_hash_setkey_42781 -+show_fnode_chap_out_idx_42784 show_fnode_chap_out_idx 0 42784 NULL -+store_fan_beep_42785 store_fan_beep 0-4 42785 NULL -+elfcorehdr_read_notes_42786 elfcorehdr_read_notes 2 42786 NULL -+hackrf_set_if_gain_42788 hackrf_set_if_gain 0 42788 NULL -+koneplus_sysfs_read_42792 koneplus_sysfs_read 6-0 42792 NULL -+cgroup_migrate_prepare_dst_42793 cgroup_migrate_prepare_dst 0 42793 NULL -+show_chglim_42794 show_chglim 0 42794 NULL -+ntfs_attr_extend_allocation_42796 ntfs_attr_extend_allocation 0 42796 NULL -+fw_device_op_compat_ioctl_42804 fw_device_op_compat_ioctl 2 42804 NULL -+show_line1_42806 show_line1 0 42806 NULL -+esd_usb2_open_42809 esd_usb2_open 0 42809 NULL -+pcf2127_get_datetime_42811 pcf2127_get_datetime 0 42811 NULL nohasharray -+smk_bu_current_42811 smk_bu_current 0-4 42811 &pcf2127_get_datetime_42811 -+drm_ioctl_42813 drm_ioctl 2 42813 NULL -+__bch_cache_set_store_42815 __bch_cache_set_store 0-4 42815 NULL -+iwl_dbgfs_ucode_bt_stats_read_42820 iwl_dbgfs_ucode_bt_stats_read 3-0 42820 NULL -+set_arg_42824 set_arg 3 42824 NULL -+si476x_radio_read_rsq_blob_42827 si476x_radio_read_rsq_blob 3-0 42827 NULL -+bnad_mtu_set_42833 bnad_mtu_set 0 42833 NULL -+dnotify_handle_event_42835 dnotify_handle_event 0 42835 NULL -+f2fs_unfreeze_42836 f2fs_unfreeze 0 42836 NULL -+show_sas_rphy_target_port_protocols_42840 show_sas_rphy_target_port_protocols 0 42840 NULL -+mv88e6131_get_sset_count_42841 mv88e6131_get_sset_count 0 42841 NULL -+prop_compression_validate_42847 prop_compression_validate 0 42847 NULL -+show_ata_dev_xfer_mode_42848 show_ata_dev_xfer_mode 0 42848 NULL -+btmrvl_fwdump_write_42850 btmrvl_fwdump_write 3-0 42850 NULL nohasharray 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qlcnic_83xx_sysfs_flash_bulk_write 4 46320 NULL -+fm_tx_set_preemph_filter_46323 fm_tx_set_preemph_filter 0 46323 NULL -+__dquot_alloc_space_46324 __dquot_alloc_space 0 46324 NULL -+__hwahc_dev_set_key_46328 __hwahc_dev_set_key 5 46328 NULL nohasharray -+compat_SyS_readv_46328 compat_SyS_readv 3 46328 &__hwahc_dev_set_key_46328 -+netlbl_sock_setattr_46330 netlbl_sock_setattr 0 46330 NULL -+gs_can_open_46335 gs_can_open 0 46335 NULL -+ds2780_get_control_register_46338 ds2780_get_control_register 0 46338 NULL -+get_ata_xfer_names_46339 get_ata_xfer_names 0 46339 NULL nohasharray -+show_ipv4_iface_tos_en_46339 show_ipv4_iface_tos_en 0 46339 &get_ata_xfer_names_46339 -+snd_seq_ioctl_get_client_info_46340 snd_seq_ioctl_get_client_info 0 46340 NULL nohasharray -+store_spi_transport_qas_46340 store_spi_transport_qas 0-4 46340 &snd_seq_ioctl_get_client_info_46340 -+netlbl_cfg_unlbl_static_add_46342 netlbl_cfg_unlbl_static_add 0 46342 NULL nohasharray -+rtc_set_alarm_46342 rtc_set_alarm 0 46342 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NULL -+pci_enable_device_46642 pci_enable_device 0 46642 NULL -+show_session_param_ISCSI_PARAM_MAX_BURST_46644 show_session_param_ISCSI_PARAM_MAX_BURST 0 46644 NULL -+__sock_sendmsg_46647 __sock_sendmsg 0-4 46647 NULL -+vfs_getxattr_alloc_46649 vfs_getxattr_alloc 0 46649 NULL -+attr_get_46650 attr_get 0 46650 NULL -+av7110_ipack_init_46655 av7110_ipack_init 2 46655 NULL nohasharray -+powr1220_read_adc_46655 powr1220_read_adc 0 46655 &av7110_ipack_init_46655 -+fanout_add_46656 fanout_add 0 46656 NULL -+queue_max_sectors_store_46658 queue_max_sectors_store 3-0 46658 NULL -+read_short_reg_46669 read_short_reg 0 46669 NULL -+toshiba_usb_sleep_music_get_46672 toshiba_usb_sleep_music_get 0 46672 NULL -+stream_pause_46673 stream_pause 0 46673 NULL -+ubifs_writepage_46678 ubifs_writepage 0 46678 NULL -+msr_read_46679 msr_read 0-3 46679 NULL -+__uncore_mask_rnid4_show_46681 __uncore_mask_rnid4_show 0 46681 NULL -+l2cap_create_le_flowctl_pdu_46682 l2cap_create_le_flowctl_pdu 3 46682 NULL 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-+store_engine1_leds_46758 store_engine1_leds 4-0 46758 NULL -+show_fan_status_46761 show_fan_status 0 46761 NULL -+mwl8k_init_firmware_46764 mwl8k_init_firmware 0 46764 NULL -+hest_ghes_dev_register_46766 hest_ghes_dev_register 1 46766 NULL -+inet6_create_46770 inet6_create 0 46770 NULL -+fc0013_set_vhf_track_46773 fc0013_set_vhf_track 0 46773 NULL -+int_hw_irq_en_46776 int_hw_irq_en 3-0 46776 NULL -+ov2640_s_ctrl_46785 ov2640_s_ctrl 0 46785 NULL -+radar_detection_write_46787 radar_detection_write 3-0 46787 NULL -+__hdaps_read_pair_46792 __hdaps_read_pair 0 46792 NULL -+host_show_commands_outstanding_46795 host_show_commands_outstanding 0 46795 NULL -+show_max_min_46796 show_max_min 0 46796 NULL -+show_fc_host_supported_speeds_46800 show_fc_host_supported_speeds 0 46800 NULL -+ixgbe_read_mbx_pf_46802 ixgbe_read_mbx_pf 0 46802 NULL -+proc_tgid_net_getattr_46803 proc_tgid_net_getattr 0 46803 NULL -+niu_tx_cs_sng_poll_46804 niu_tx_cs_sng_poll 0 46804 NULL -+tpk_write_room_46810 tpk_write_room 0 46810 NULL -+show_session_param_ISCSI_PARAM_ERL_46813 show_session_param_ISCSI_PARAM_ERL 0 46813 NULL -+ath6kl_wmi_set_roam_mode_cmd_46817 ath6kl_wmi_set_roam_mode_cmd 0 46817 NULL -+writefn_46819 writefn 0-3 46819 NULL -+show_ata_port_nr_pmp_links_46824 show_ata_port_nr_pmp_links 0 46824 NULL -+bnad_get_sset_count_46825 bnad_get_sset_count 0 46825 NULL -+xfs_iroot_realloc_46826 xfs_iroot_realloc 2 46826 NULL -+snd_sonicvibes_capture_trigger_46827 snd_sonicvibes_capture_trigger 0 46827 NULL -+fib_netdev_event_46830 fib_netdev_event 0 46830 NULL -+cyberjack_write_room_46831 cyberjack_write_room 0 46831 NULL -+ks959_net_open_46833 ks959_net_open 0 46833 NULL -+iwl_run_init_mvm_ucode_46835 iwl_run_init_mvm_ucode 0 46835 NULL -+show_pcm_class_46836 show_pcm_class 0 46836 NULL -+security_validtrans_handle_fail_46843 security_validtrans_handle_fail 0 46843 NULL -+mxt_update_fw_store_46849 mxt_update_fw_store 0-4 46849 NULL -+lola_set_clock_index_46850 lola_set_clock_index 0 46850 NULL -+show_conn_param_ISCSI_PARAM_MAX_RECV_DLENGTH_46851 show_conn_param_ISCSI_PARAM_MAX_RECV_DLENGTH 0 46851 NULL -+spi_async_46857 spi_async 0 46857 NULL -+scan_commit_lists_46860 scan_commit_lists 0 46860 NULL -+edac_device_ctl_log_ce_show_46861 edac_device_ctl_log_ce_show 0 46861 NULL -+vsnprintf_46863 vsnprintf 0 46863 NULL -+ican3_send_inquiry_46865 ican3_send_inquiry 0 46865 NULL nohasharray -+__uncore_filter_opc_show_46865 __uncore_filter_opc_show 0 46865 &ican3_send_inquiry_46865 nohasharray -+store_spi_revalidate_46865 store_spi_revalidate 0-4 46865 &__uncore_filter_opc_show_46865 -+restart_array_46866 restart_array 0 46866 NULL -+regulatory_hint_46868 regulatory_hint 0 46868 NULL -+nouveau_hwmon_emergency_temp_46870 nouveau_hwmon_emergency_temp 0 46870 NULL nohasharray -+swiotlb_map_sg_46870 swiotlb_map_sg 3 46870 &nouveau_hwmon_emergency_temp_46870 -+sip_sprintf_addr_46872 sip_sprintf_addr 0 46872 NULL -+rvmalloc_46873 rvmalloc 1 46873 NULL 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il_dbgfs_ucode_general_stats_read 0-3 46936 NULL -+b44_get_sset_count_46940 b44_get_sset_count 0 46940 NULL -+vprbrd_i2c_xfer_46943 vprbrd_i2c_xfer 0-3 46943 NULL -+__sctp_setsockopt_connectx_46949 __sctp_setsockopt_connectx 3-0 46949 NULL nohasharray -+fuse_direct_io_46949 fuse_direct_io 0 46949 &__sctp_setsockopt_connectx_46949 -+qla4xxx_post_aen_work_46953 qla4xxx_post_aen_work 3 46953 NULL nohasharray -+ntfs_truncate_46953 ntfs_truncate 0 46953 &qla4xxx_post_aen_work_46953 -+coda_fsync_46958 coda_fsync 0 46958 NULL -+store_spi_transport_max_width_46960 store_spi_transport_max_width 0-4 46960 NULL -+lp_wait_ready_46962 lp_wait_ready 0 46962 NULL -+SYSC_poll_46965 SYSC_poll 2 46965 NULL nohasharray -+snd_rme32_capture_prepare_46965 snd_rme32_capture_prepare 0 46965 &SYSC_poll_46965 -+nvkm_falcon_create__46966 nvkm_falcon_create_ 8 46966 NULL -+lbs_start_iface_46973 lbs_start_iface 0 46973 NULL -+enc28j60_net_open_46974 enc28j60_net_open 0 46974 NULL -+mgmt_pending_add_46976 mgmt_pending_add 5 46976 NULL -+srp_alloc_req_data_46981 srp_alloc_req_data 0 46981 NULL -+lec_atm_send_46990 lec_atm_send 0 46990 NULL -+user_set_46991 user_set 0 46991 NULL -+sel_write_bool_46996 sel_write_bool 3-0 46996 NULL nohasharray -+ds2780_write_user_eeprom_bin_46996 ds2780_write_user_eeprom_bin 6-5-0 46996 &sel_write_bool_46996 nohasharray -+rj54n1_sensor_scale_46996 rj54n1_sensor_scale 0 46996 &ds2780_write_user_eeprom_bin_46996 nohasharray -+enabled_store_46996 enabled_store 0-4 46996 &rj54n1_sensor_scale_46996 -+megasas_fw_crash_buffer_size_show_46998 megasas_fw_crash_buffer_size_show 0 46998 NULL nohasharray -+usb_pcwd_write_46998 usb_pcwd_write 0-3 46998 &megasas_fw_crash_buffer_size_show_46998 -+blk_rq_map_kern_47004 blk_rq_map_kern 4-0 47004 NULL -+x25_device_event_47006 x25_device_event 0 47006 NULL -+send_post_enqueue_47008 send_post_enqueue 0 47008 NULL -+rx_bytes_show_47011 rx_bytes_show 0 47011 NULL -+bpf_prog_realloc_47015 bpf_prog_realloc 2 47015 NULL -+ip_mc_source_47018 ip_mc_source 0 47018 NULL -+__map_single_47020 __map_single 3-4-7 47020 NULL -+usbpn_open_47021 usbpn_open 0 47021 NULL -+bonding_show_arp_all_targets_47022 bonding_show_arp_all_targets 0 47022 NULL -+cx231xx_init_bulk_47024 cx231xx_init_bulk 3-4-2-0 47024 NULL nohasharray -+ucb1400_core_probe_47024 ucb1400_core_probe 0 47024 &cx231xx_init_bulk_47024 -+show_spi_transport_max_qas_47025 show_spi_transport_max_qas 0 47025 NULL nohasharray -+__rt_schedulable_47025 __rt_schedulable 0 47025 &show_spi_transport_max_qas_47025 -+store_fan_pulses_47028 store_fan_pulses 0-4 47028 NULL -+drv_set_max_frame_retries_47029 drv_set_max_frame_retries 0 47029 NULL -+integrity_device_show_47034 integrity_device_show 0 47034 NULL -+show_v86d_47041 show_v86d 0 47041 NULL -+dib7090_tuner_xfer_47045 dib7090_tuner_xfer 0-3 47045 NULL -+isl29003_show_resolution_47047 isl29003_show_resolution 0 47047 NULL -+set_in_max0_47049 set_in_max0 0-4 47049 NULL -+wm8994_set_bits_47052 wm8994_set_bits 0 47052 NULL nohasharray -+acerhdf_get_fanstate_47052 acerhdf_get_fanstate 0 47052 &wm8994_set_bits_47052 -+final_47055 final 0 47055 NULL -+open_rx_47057 open_rx 0 47057 NULL -+udpv6_sendmsg_47060 udpv6_sendmsg 3 47060 NULL -+dg_dispatch_as_guest_47063 dg_dispatch_as_guest 0 47063 NULL -+ltc2945_show_value_47064 ltc2945_show_value 0 47064 NULL nohasharray -+read_pod_47064 read_pod 0 47064 &ltc2945_show_value_47064 -+nfcmrvl_nci_recv_frame_47066 nfcmrvl_nci_recv_frame 3 47066 NULL nohasharray -+power_on_acct_show_47066 power_on_acct_show 0 47066 &nfcmrvl_nci_recv_frame_47066 -+event_trigger_regex_write_47067 event_trigger_regex_write 3 47067 NULL -+metrics_bytes_sent_show_47068 metrics_bytes_sent_show 0 47068 NULL -+mwifiex_set_mac_address_47069 mwifiex_set_mac_address 0 47069 NULL -+ufs_new_fragments_47070 ufs_new_fragments 4-5-3 47070 NULL nohasharray -+ext4_xattr_list_entries_47070 ext4_xattr_list_entries 0 47070 &ufs_new_fragments_47070 -+iscsi_stat_sess_err_attr_store_47075 iscsi_stat_sess_err_attr_store 0 47075 NULL -+pipeline_dec_packet_in_read_47076 pipeline_dec_packet_in_read 3-0 47076 NULL -+export_47078 export 0 47078 NULL -+skb_checksum_setup_ip_47081 skb_checksum_setup_ip 3 47081 NULL -+iwl_mvm_d3_test_read_47088 iwl_mvm_d3_test_read 0-3 47088 NULL -+iwl_dump_nic_event_log_47089 iwl_dump_nic_event_log 0 47089 NULL -+azx_setup_periods_47101 azx_setup_periods 0 47101 NULL nohasharray -+ipr_show_adapter_handle_47101 ipr_show_adapter_handle 0 47101 &azx_setup_periods_47101 -+pcmcia_dev_suspend_47104 pcmcia_dev_suspend 0 47104 NULL nohasharray -+ptlrpc_lprocfs_threads_max_seq_write_47104 ptlrpc_lprocfs_threads_max_seq_write 3 47104 &pcmcia_dev_suspend_47104 -+map_sg_47108 map_sg 0-3 47108 NULL nohasharray -+hih6130_update_measurements_47108 hih6130_update_measurements 0 47108 &map_sg_47108 -+flash_brightness_set_47109 flash_brightness_set 0 47109 NULL nohasharray -+ion_heap_clear_pages_47109 ion_heap_clear_pages 2 47109 &flash_brightness_set_47109 -+tboot_log_read_47110 tboot_log_read 3-0 47110 NULL -+carrier_show_47115 carrier_show 0 47115 NULL -+__erst_write_to_storage_47120 __erst_write_to_storage 0 47120 NULL -+ds2781_get_rsgain_register_47121 ds2781_get_rsgain_register 0 47121 NULL -+mousedev_read_47123 mousedev_read 3-0 47123 NULL -+tcm_loop_drop_nexus_47124 tcm_loop_drop_nexus 0 47124 NULL -+upcall_msg_size_47141 upcall_msg_size 0-2 47141 NULL -+acpi_ut_initialize_buffer_47143 acpi_ut_initialize_buffer 2-0 47143 NULL nohasharray -+ses_recv_diag_47143 ses_recv_diag 4 47143 &acpi_ut_initialize_buffer_47143 -+store_target_kb_47150 store_target_kb 0-4 47150 NULL -+sctp_get_port_47151 sctp_get_port 0 47151 NULL -+get_attr_rdpmc_47155 get_attr_rdpmc 0 47155 NULL nohasharray -+mwifiex_alloc_dma_align_buf_47155 mwifiex_alloc_dma_align_buf 1 47155 &get_attr_rdpmc_47155 -+il4965_mac_start_47159 il4965_mac_start 0 47159 NULL -+gva_to_gpa_47160 gva_to_gpa 0 47160 NULL nohasharray -+show_streaming_47160 show_streaming 0 47160 &gva_to_gpa_47160 -+mxms_headerlen_47161 mxms_headerlen 0 47161 NULL -+rs_sta_dbgfs_rate_scale_data_read_47165 rs_sta_dbgfs_rate_scale_data_read 3-0 47165 NULL -+sched_ilb_notifier_47166 sched_ilb_notifier 0 47166 NULL nohasharray -+dps1_insert_key_47166 dps1_insert_key 0-4 47166 &sched_ilb_notifier_47166 -+max8660_dcdc_is_enabled_47167 max8660_dcdc_is_enabled 0 47167 NULL -+part_fail_show_47168 part_fail_show 0 47168 NULL -+max_flash_timeout_show_47169 max_flash_timeout_show 0 47169 NULL nohasharray -+set_temp_47169 set_temp 0-4 47169 &max_flash_timeout_show_47169 -+reg_show_name_47170 reg_show_name 0 47170 NULL -+lvs_rh_set_port_feature_47175 lvs_rh_set_port_feature 0 47175 NULL -+svc_pool_map_alloc_arrays_47181 svc_pool_map_alloc_arrays 2 47181 NULL -+state_parse_47184 state_parse 0 47184 NULL -+ioremap_cache_47189 ioremap_cache 2-1 47189 NULL -+xfs_btree_get_buf_block_47197 xfs_btree_get_buf_block 0 47197 NULL -+__set_signal_47207 __set_signal 0-4 47207 NULL -+__rds_create_47212 __rds_create 0 47212 NULL -+wm8903_gpio_direction_in_47213 wm8903_gpio_direction_in 0 47213 NULL -+nobh_write_end_47214 nobh_write_end 5-0 47214 NULL -+tg3_phy_auxctl_read_47216 tg3_phy_auxctl_read 0 47216 NULL -+sctp_v4_to_addr_param_47221 sctp_v4_to_addr_param 0 47221 NULL nohasharray -+__mt9t112_mcu_mask_set_47221 __mt9t112_mcu_mask_set 0 47221 &sctp_v4_to_addr_param_47221 -+nilfs_dat_prepare_start_47222 nilfs_dat_prepare_start 0 47222 NULL -+xc_set_signal_source_47230 xc_set_signal_source 0 47230 NULL -+chip_edc_read_47233 chip_edc_read 0 47233 NULL -+x1205_get_dtrim_47236 x1205_get_dtrim 0 47236 NULL nohasharray -+rpc_pipe_write_47236 rpc_pipe_write 0-3 47236 &x1205_get_dtrim_47236 -+l2headersize_47238 l2headersize 0 47238 NULL -+options_write_47243 options_write 3-0 47243 NULL -+__uncore_filter_band3_show_47248 __uncore_filter_band3_show 0 47248 NULL -+__uncore_match_mc_show_47250 __uncore_match_mc_show 0 47250 NULL nohasharray -+iwl_mvm_power_set_ps_47250 iwl_mvm_power_set_ps 0 47250 &__uncore_match_mc_show_47250 -+efx_reconfigure_port_47251 efx_reconfigure_port 0 47251 NULL -+skb_copy_datagram_from_iter_47253 skb_copy_datagram_from_iter 4-2 47253 NULL nohasharray -+portcntrs_1_read_47253 portcntrs_1_read 3-0 47253 &skb_copy_datagram_from_iter_47253 -+rtl2832_sdr_s_ctrl_47254 rtl2832_sdr_s_ctrl 0 47254 NULL nohasharray -+target_stat_scsi_lu_show_attr_prod_47254 target_stat_scsi_lu_show_attr_prod 0 47254 &rtl2832_sdr_s_ctrl_47254 -+da9052_disable_irq_nosync_47260 da9052_disable_irq_nosync 2 47260 NULL -+nq_m_sync_47264 nq_m_sync 0 47264 NULL -+exofs_write_inode_47271 exofs_write_inode 0 47271 NULL -+ablkcipher_next_slow_47274 ablkcipher_next_slow 3-4 47274 NULL -+show_fnode_exp_statsn_47277 show_fnode_exp_statsn 0 47277 NULL -+perf_ibs_cpu_notifier_47281 perf_ibs_cpu_notifier 0 47281 NULL -+gfs2_readpages_47285 gfs2_readpages 4 47285 NULL -+blkdev_issue_flush_47287 blkdev_issue_flush 0 47287 NULL -+reg_write_47288 reg_write 0 47288 NULL -+setattr_47289 setattr 0 47289 NULL -+target_stat_scsi_att_intr_port_show_attr_port_47290 target_stat_scsi_att_intr_port_show_attr_port 0 47290 NULL -+vsnprintf_47291 vsnprintf 0 47291 NULL -+SYSC_semop_47292 SYSC_semop 3 47292 NULL -+show_47293 show 0 47293 NULL -+uvc_video_enable_47296 uvc_video_enable 0 47296 NULL -+rhashtable_rehash_attach_47298 rhashtable_rehash_attach 0 47298 NULL -+tx_internal_desc_overflow_read_47300 tx_internal_desc_overflow_read 3-0 47300 NULL -+virtqueue_add_47306 virtqueue_add 3 47306 NULL -+il4965_fill_txpower_tbl_47307 il4965_fill_txpower_tbl 0 47307 NULL -+mm_compute_batch_notifier_47309 mm_compute_batch_notifier 0 47309 NULL -+nfs_idmap_read_and_verify_message_47312 nfs_idmap_read_and_verify_message 0 47312 NULL -+xfs_trans_reserve_quota_nblks_47313 xfs_trans_reserve_quota_nblks 0 47313 NULL -+ipvlan_device_event_47317 ipvlan_device_event 0 47317 NULL -+get_l4proto_47318 get_l4proto 0 47318 NULL -+usX2Y_usbpcm_urbs_start_47323 usX2Y_usbpcm_urbs_start 0 47323 NULL -+snd_sb16_playback_trigger_47332 snd_sb16_playback_trigger 0 47332 NULL -+sock_sendmsg_nosec_47333 sock_sendmsg_nosec 0 47333 NULL -+sctp_auth_set_active_key_47334 sctp_auth_set_active_key 0 47334 NULL nohasharray -+fd_configure_device_47334 fd_configure_device 0 47334 &sctp_auth_set_active_key_47334 -+next_bitstream_store_47342 next_bitstream_store 0-4 47342 NULL -+tune_set_47343 tune_set 0-5 47343 NULL -+cdc_ncm_show_min_tx_pkt_47346 cdc_ncm_show_min_tx_pkt 0 47346 NULL -+amd_xgbe_phy_pcs_power_cycle_47347 amd_xgbe_phy_pcs_power_cycle 0 47347 NULL -+pstr_store_47352 pstr_store 0-4 47352 NULL nohasharray -+parse_exthdrs_47352 parse_exthdrs 0 47352 &pstr_store_47352 -+md_allow_write_47353 md_allow_write 0 47353 NULL -+ieee80211_if_read_dot11MeshHoldingTimeout_47356 ieee80211_if_read_dot11MeshHoldingTimeout 3-0 47356 NULL nohasharray -+validate_47356 validate 0 47356 &ieee80211_if_read_dot11MeshHoldingTimeout_47356 -+nvme_submit_admin_cmd_47357 nvme_submit_admin_cmd 0 47357 NULL -+avc_get_hash_stats_47359 avc_get_hash_stats 0 47359 NULL -+kvm_arch_create_memslot_47364 kvm_arch_create_memslot 3 47364 NULL nohasharray -+__output_copy_user_47364 __output_copy_user 3 47364 &kvm_arch_create_memslot_47364 -+vmci_transport_dgram_bind_47371 vmci_transport_dgram_bind 0 47371 NULL -+hci_prepare_cmd_47372 hci_prepare_cmd 3 47372 NULL -+show_ipv4_iface_bootproto_47376 show_ipv4_iface_bootproto 0 47376 NULL -+stmmac_enable_47377 stmmac_enable 0 47377 NULL -+shmem_getpage_47382 shmem_getpage 0 47382 NULL -+tun_recvmsg_47383 tun_recvmsg 3 47383 NULL -+nv_rd32_47390 nv_rd32 0 47390 NULL nohasharray -+trace_options_core_read_47390 trace_options_core_read 3 47390 &nv_rd32_47390 -+pfkey_sendmsg_47394 pfkey_sendmsg 4-0 47394 NULL -+wdtpci_write_47395 wdtpci_write 0-3 47395 NULL -+store_spi_transport_rd_strm_47397 store_spi_transport_rd_strm 0-4 47397 NULL -+lbs_wrmac_write_47400 lbs_wrmac_write 3-0 47400 NULL -+efi_pstore_read_func_47401 efi_pstore_read_func 0 47401 NULL -+walk_pte_range_47402 walk_pte_range 0 47402 NULL -+store_bitmask_47403 store_bitmask 0-4 47403 NULL -+store_select_amcb1_transmit_clock_47406 store_select_amcb1_transmit_clock 0-4 47406 NULL -+ocfs2_resv_end_47408 ocfs2_resv_end 0 47408 NULL nohasharray -+SyS_recv_47408 SyS_recv 3 47408 &ocfs2_resv_end_47408 -+sta_vht_capa_read_47409 sta_vht_capa_read 3-0 47409 NULL nohasharray -+bcm7xxx_28nm_e0_plus_afe_config_init_47409 bcm7xxx_28nm_e0_plus_afe_config_init 0 47409 &sta_vht_capa_read_47409 -+isl29003_set_power_state_47411 isl29003_set_power_state 0 47411 NULL -+show_spi_transport_width_47413 show_spi_transport_width 0 47413 NULL -+write_cmd_47414 write_cmd 0 47414 NULL -+lbs_wrrf_write_47418 lbs_wrrf_write 3-0 47418 NULL -+__iscsi_disc_store_userid_mutual_47420 __iscsi_disc_store_userid_mutual 0-3 47420 NULL -+vzalloc_47421 vzalloc 1 47421 NULL nohasharray -+array_size_store_47421 array_size_store 0-3 47421 &vzalloc_47421 -+mvs_task_prep_ata_47424 mvs_task_prep_ata 0 47424 NULL -+bLength_show_47432 bLength_show 0 47432 NULL -+fop_write_47433 fop_write 0-3 47433 NULL nohasharray -+caif_seqpkt_sendmsg_47433 caif_seqpkt_sendmsg 3 47433 &fop_write_47433 -+dibx000_i2c_gated_tuner_xfer_47436 dibx000_i2c_gated_tuner_xfer 0-3 47436 NULL -+wl128x_configure_mcs_pll_47437 wl128x_configure_mcs_pll 0 47437 NULL -+niu_reset_tx_bmac_47440 niu_reset_tx_bmac 0 47440 NULL -+cxacru_sysfs_show_modulation_47441 cxacru_sysfs_show_modulation 0 47441 NULL -+mrf24j40_filter_47445 mrf24j40_filter 0 47445 NULL -+usb_wwan_open_47449 usb_wwan_open 0 47449 NULL -+environ_read_47451 environ_read 0-3 47451 NULL -+C_SYSC_set_mempolicy_47466 C_SYSC_set_mempolicy 3 47466 NULL -+lprocfs_fid_write_common_47471 lprocfs_fid_write_common 2 47471 NULL -+igb_get_eeprom_len_47473 igb_get_eeprom_len 0 47473 NULL -+usermodehelper_read_trylock_47478 usermodehelper_read_trylock 0 47478 NULL -+nvme_trans_send_fw_cmd_47479 nvme_trans_send_fw_cmd 4 47479 NULL nohasharray -+o2hb_region_store_47479 o2hb_region_store 0-4 47479 &nvme_trans_send_fw_cmd_47479 -+acpi_smbus_read_47480 acpi_smbus_read 0 47480 NULL -+packet_mc_drop_47484 packet_mc_drop 0 47484 NULL -+newpart_47485 newpart 6-4 47485 NULL -+read_47490 read 0-3 47490 NULL -+mcp23s17_read_regs_47491 mcp23s17_read_regs 4 47491 NULL -+core_sys_select_47494 core_sys_select 1 47494 NULL -+__feat_register_nn_47497 __feat_register_nn 0 47497 NULL -+jid_store_47498 jid_store 0-3 47498 NULL -+read_block_for_search_47502 read_block_for_search 0 47502 NULL -+as3722_block_write_47503 as3722_block_write 2-3 47503 NULL nohasharray -+txstat_read_file_47503 txstat_read_file 0 47503 &as3722_block_write_47503 -+i801_block_transaction_by_block_47504 i801_block_transaction_by_block 0 47504 NULL -+show_temp_crit_int_47505 show_temp_crit_int 0 47505 NULL nohasharray -+alloc_arraycache_47505 alloc_arraycache 2 47505 &show_temp_crit_int_47505 -+unlink_simple_47506 unlink_simple 3 47506 NULL -+f2fs_write_meta_pages_47507 f2fs_write_meta_pages 0 47507 NULL -+saa7146_i2c_xfer_47508 saa7146_i2c_xfer 0-3 47508 NULL -+pstore_decompress_47510 pstore_decompress 0 47510 NULL -+ufs_inode_getblock_47512 ufs_inode_getblock 4 47512 NULL -+inet_bind_47514 inet_bind 0 47514 NULL -+nilfs_segbuf_extend_segsum_47517 nilfs_segbuf_extend_segsum 0 47517 NULL -+ec_i2c_count_response_47518 ec_i2c_count_response 0 47518 NULL -+eth_open_47519 eth_open 0 47519 NULL -+usb_hcd_alloc_bandwidth_47525 usb_hcd_alloc_bandwidth 0 47525 NULL nohasharray -+jfs_loglevel_proc_write_47525 jfs_loglevel_proc_write 0-3 47525 &usb_hcd_alloc_bandwidth_47525 -+wl128x_cmd_radio_parms_47528 wl128x_cmd_radio_parms 0 47528 NULL -+__proc_lnet_portal_rotor_47529 __proc_lnet_portal_rotor 5 47529 NULL -+process_vm_rw_47533 process_vm_rw 3-5 47533 NULL nohasharray -+vscnprintf_47533 vscnprintf 0-2 47533 &process_vm_rw_47533 -+get_port_47534 get_port 0 47534 NULL -+ieee80211_if_fmt_min_discovery_timeout_47539 ieee80211_if_fmt_min_discovery_timeout 3 47539 NULL -+il_send_cmd_sync_47541 il_send_cmd_sync 0 47541 NULL -+_lm3533_als_get_zone_47546 _lm3533_als_get_zone 0 47546 NULL -+atl1_open_47550 atl1_open 0 47550 NULL -+drbg_statelen_47551 drbg_statelen 0 47551 NULL nohasharray -+leb_read_sanity_check_47551 leb_read_sanity_check 0 47551 &drbg_statelen_47551 -+pci_endrun_init_47554 pci_endrun_init 0 47554 NULL -+_ctl_diag_trigger_scsi_show_47558 _ctl_diag_trigger_scsi_show 0 47558 NULL -+acpi_gpio_package_count_47562 acpi_gpio_package_count 0 47562 NULL -+send_cmd_47563 send_cmd 0 47563 NULL -+xfs_inobt_alloc_block_47565 xfs_inobt_alloc_block 0 47565 NULL -+send_command_47567 send_command 0 47567 NULL nohasharray -+i2c_nuvoton_write_status_47567 i2c_nuvoton_write_status 0 47567 &send_command_47567 -+read_ldt_47570 read_ldt 2 47570 NULL -+isku_sysfs_read_last_set_47572 isku_sysfs_read_last_set 6-0-5 47572 NULL -+mlx4_qp_to_ready_47574 mlx4_qp_to_ready 0 47574 NULL -+pci_iomap_47575 pci_iomap 3 47575 NULL -+mptscsih_version_bios_show_47578 mptscsih_version_bios_show 0 47578 NULL -+rpipe_get_idx_47579 rpipe_get_idx 2-0 47579 NULL nohasharray -+cpufreq_cpu_callback_47579 cpufreq_cpu_callback 0 47579 &rpipe_get_idx_47579 nohasharray -+dgram_init_47579 dgram_init 0 47579 &cpufreq_cpu_callback_47579 -+SYSC_fcntl64_47581 SYSC_fcntl64 3 47581 NULL -+id_format_show_47585 id_format_show 0 47585 NULL -+phy_read_47590 phy_read 0 47590 NULL -+wusb_ck_store_47591 wusb_ck_store 0-4 47591 NULL -+wlcore_read_reg_47598 wlcore_read_reg 0 47598 NULL -+get_nic_info_47601 get_nic_info 0 47601 NULL -+sd_isoc_init_47602 sd_isoc_init 0 47602 NULL -+ext4_kvzalloc_47605 ext4_kvzalloc 1 47605 NULL -+wm831x_gpio_direction_out_47607 wm831x_gpio_direction_out 0 47607 NULL -+sctp_ssnmap_new_47608 sctp_ssnmap_new 2-1 47608 NULL nohasharray -+unbind_store_47608 unbind_store 0-3 47608 &sctp_ssnmap_new_47608 -+roccat_common2_sysfs_write_general_47610 roccat_common2_sysfs_write_general 0-6-5 47610 NULL nohasharray -+cgroup_clone_children_write_47610 cgroup_clone_children_write 0 47610 &roccat_common2_sysfs_write_general_47610 -+a_hnp_support_show_47611 a_hnp_support_show 0 47611 NULL -+uea_request_47613 uea_request 4 47613 NULL -+cache_read_pipefs_47615 cache_read_pipefs 3-0 47615 NULL -+ocfs2_xattr_security_list_47616 ocfs2_xattr_security_list 0-5 47616 NULL -+mwifiex_cmd_host_cmd_47617 mwifiex_cmd_host_cmd 0 47617 NULL -+__apei_exec_read_register_47619 __apei_exec_read_register 0 47619 NULL nohasharray -+tps65217_clear_bits_47619 tps65217_clear_bits 0 47619 &__apei_exec_read_register_47619 -+twl4030_clear_set_47624 twl4030_clear_set 4 47624 NULL -+nouveau_hwmon_temp1_auto_point1_temp_47625 nouveau_hwmon_temp1_auto_point1_temp 0 47625 NULL -+SYSC_send_47629 SYSC_send 3 47629 NULL -+store_pwm_auto_point_temp_hyst_47630 store_pwm_auto_point_temp_hyst 0-4 47630 NULL -+iwl_mvm_update_sta_47642 iwl_mvm_update_sta 0 47642 NULL -+ds1682_eeprom_read_47644 ds1682_eeprom_read 0-5-6 47644 NULL nohasharray -+ubifs_find_free_space_47644 ubifs_find_free_space 0 47644 &ds1682_eeprom_read_47644 -+compute_sid_handle_invalid_context_47647 compute_sid_handle_invalid_context 0 47647 NULL -+isl12022_read_regs_47653 isl12022_read_regs 0 47653 NULL -+auok190xfb_check_var_47654 auok190xfb_check_var 0 47654 NULL -+gfs2_jdata_writepage_47660 gfs2_jdata_writepage 0 47660 NULL -+fan_show_47664 fan_show 0 47664 NULL -+pyra_sysfs_show_firmware_version_47670 pyra_sysfs_show_firmware_version 0 47670 NULL -+acpi_ds_get_region_arguments_47671 acpi_ds_get_region_arguments 0 47671 NULL nohasharray -+user_scan_47671 user_scan 0 47671 &acpi_ds_get_region_arguments_47671 -+regmap_mmio_write_47679 regmap_mmio_write 0 47679 NULL -+queue_attr_store_47683 queue_attr_store 0-4 47683 NULL -+mbus_show_47685 mbus_show 0 47685 NULL nohasharray -+gprs_set_mtu_47685 gprs_set_mtu 0 47685 &mbus_show_47685 -+rtl8723b_parse_firmware_47686 rtl8723b_parse_firmware 0 47686 NULL -+ce6230_ctrl_msg_47692 ce6230_ctrl_msg 0 47692 NULL -+target_stat_scsi_lu_show_attr_num_cmds_47693 target_stat_scsi_lu_show_attr_num_cmds 0 47693 NULL nohasharray -+niu_reset_rx_bmac_47693 niu_reset_rx_bmac 0 47693 &target_stat_scsi_lu_show_attr_num_cmds_47693 -+qlcnic_show_bridged_mode_47696 qlcnic_show_bridged_mode 0 47696 NULL -+create_tx_ctx_47698 create_tx_ctx 0 47698 NULL nohasharray -+ds2781_battery_io_47698 ds2781_battery_io 3-4 47698 &create_tx_ctx_47698 -+packet_recvmsg_47700 packet_recvmsg 4-0 47700 NULL -+inet_sendmsg_47705 inet_sendmsg 4-0 47705 NULL -+max8907_rtc_set_alarm_47711 max8907_rtc_set_alarm 0 47711 NULL -+save_microcode_47717 save_microcode 3 47717 NULL -+show_prochot_avg_47718 show_prochot_avg 0 47718 NULL -+wl1251_fetch_firmware_47724 wl1251_fetch_firmware 0 47724 NULL -+wimax_show_47727 wimax_show 0 47727 NULL -+__sock_sendmsg_nosec_47729 __sock_sendmsg_nosec 0-4 47729 NULL -+hvc_write_room_47730 hvc_write_room 0 47730 NULL -+walk_page_test_47731 walk_page_test 0 47731 NULL -+bits_to_user_47733 bits_to_user 3-2 47733 NULL -+sockfs_listxattr_47735 sockfs_listxattr 0-3 47735 NULL nohasharray -+ov9740_s_fmt_47735 ov9740_s_fmt 0 47735 &sockfs_listxattr_47735 -+notify_send_pre_block_47736 notify_send_pre_block 0 47736 NULL -+hdaps_read_pair_47737 hdaps_read_pair 0 47737 NULL -+carl9170_debugfs_read_47738 carl9170_debugfs_read 3-0 47738 NULL -+qla2x00_drvr_version_show_47742 qla2x00_drvr_version_show 0 47742 NULL -+ir_prepare_write_buffer_47747 ir_prepare_write_buffer 3 47747 NULL nohasharray -+use_zero_page_show_47747 use_zero_page_show 0 47747 &ir_prepare_write_buffer_47747 -+hpfs_write_end_47748 hpfs_write_end 5-0 47748 NULL nohasharray -+rose_add_loopback_node_47748 rose_add_loopback_node 0 47748 &hpfs_write_end_47748 nohasharray -+usb2_hardware_lpm_store_47748 usb2_hardware_lpm_store 0-4 47748 &rose_add_loopback_node_47748 -+mvumi_alloc_mem_resource_47750 mvumi_alloc_mem_resource 3 47750 NULL -+ext3_find_near_47752 ext3_find_near 0 47752 NULL -+mwl8k_feed_fw_image_47753 mwl8k_feed_fw_image 0 47753 NULL -+alloc_sched_domains_47756 alloc_sched_domains 1 47756 NULL -+csio_show_hw_state_47767 csio_show_hw_state 0 47767 NULL nohasharray -+wl1251_fetch_nvs_47767 wl1251_fetch_nvs 0 47767 &csio_show_hw_state_47767 -+broken_parity_status_show_47772 broken_parity_status_show 0 47772 NULL -+uwb_ie_dump_hex_47774 uwb_ie_dump_hex 4-0 47774 NULL -+i8k_get_fan_speed_47779 i8k_get_fan_speed 0 47779 NULL -+carl9170_set_mac_reg_47780 carl9170_set_mac_reg 0 47780 NULL nohasharray -+SyS_setgroups16_47780 SyS_setgroups16 1 47780 &carl9170_set_mac_reg_47780 -+error_error_numll_frame_cts_start_read_47781 error_error_numll_frame_cts_start_read 3-0 47781 NULL -+vfio_device_fops_read_47786 vfio_device_fops_read 0-3 47786 NULL -+posix_acl_fix_xattr_from_user_47793 posix_acl_fix_xattr_from_user 2 47793 NULL nohasharray -+o2hb_region_show_47793 o2hb_region_show 0 47793 &posix_acl_fix_xattr_from_user_47793 -+show_id_47795 show_id 0 47795 NULL -+sl_open_47801 sl_open 0 47801 NULL -+hello_timer_show_47803 hello_timer_show 0 47803 NULL -+W6692_empty_Bfifo_47804 W6692_empty_Bfifo 2 47804 NULL nohasharray -+store_fc_vport_disable_47804 store_fc_vport_disable 0-4 47804 &W6692_empty_Bfifo_47804 -+lov_packmd_47810 lov_packmd 0 47810 NULL -+show_counter_tx_flow_pkts_47812 show_counter_tx_flow_pkts 0 47812 NULL -+show_fan_full_speed_47818 show_fan_full_speed 0 47818 NULL -+cifs_iovec_write_47822 cifs_iovec_write 0 47822 NULL -+tree_mod_log_insert_move_47823 tree_mod_log_insert_move 5 47823 NULL nohasharray -+nilfs_segctor_last_seg_write_time_show_47823 nilfs_segctor_last_seg_write_time_show 0 47823 &tree_mod_log_insert_move_47823 nohasharray -+koneplus_sysfs_write_sensor_47823 koneplus_sysfs_write_sensor 0-6-5 47823 &nilfs_segctor_last_seg_write_time_show_47823 -+show_temp_max10_47828 show_temp_max10 0 47828 NULL -+read_file_spectral_bins_47829 read_file_spectral_bins 3-0 47829 NULL -+mb862xx_xfer_47831 mb862xx_xfer 0-3 47831 NULL nohasharray -+regulator_suspend_mem_uV_show_47831 regulator_suspend_mem_uV_show 0 47831 &mb862xx_xfer_47831 -+target_fabric_port_store_attr_alua_tg_pt_write_md_47833 target_fabric_port_store_attr_alua_tg_pt_write_md 0-3 47833 NULL -+rtl_store_debug_level_47834 rtl_store_debug_level 0-4 47834 NULL -+pinconf_dbg_config_write_47835 pinconf_dbg_config_write 3-0 47835 NULL nohasharray -+lanai_send_47835 lanai_send 0 47835 &pinconf_dbg_config_write_47835 -+raw_sendmsg_47838 raw_sendmsg 3 47838 NULL -+cmos_nvram_write_47839 cmos_nvram_write 0-6-5 47839 NULL -+did_show_47843 did_show 0 47843 NULL nohasharray -+alloc_ringdesc_47843 alloc_ringdesc 0 47843 &did_show_47843 -+gfs2_aspace_writepage_47845 gfs2_aspace_writepage 0 47845 NULL -+wil_request_firmware_47846 wil_request_firmware 0 47846 NULL nohasharray -+qla4_82xx_start_firmware_47846 qla4_82xx_start_firmware 0 47846 &wil_request_firmware_47846 -+ecryptfs_write_inode_size_to_xattr_47848 ecryptfs_write_inode_size_to_xattr 0 47848 NULL nohasharray -+setauthsize_47848 setauthsize 0 47848 &ecryptfs_write_inode_size_to_xattr_47848 -+reg_clear_47849 reg_clear 0 47849 NULL -+ath10k_pci_diag_write32_47850 ath10k_pci_diag_write32 0 47850 NULL -+__iscsi_nacl_auth_store_password_mutual_47853 __iscsi_nacl_auth_store_password_mutual 0-3 47853 NULL -+ixgbe_change_mtu_47865 ixgbe_change_mtu 0 47865 NULL -+copy_47869 copy 0 47869 NULL -+v9fs_file_fsync_47873 v9fs_file_fsync 0 47873 NULL nohasharray -+psmouse_attr_set_resolution_47873 psmouse_attr_set_resolution 0-4 47873 &v9fs_file_fsync_47873 -+add_lease_context_47876 add_lease_context 0 47876 NULL -+vhci_read_47878 vhci_read 3-0 47878 NULL -+e100_load_ucode_wait_47882 e100_load_ucode_wait 0 47882 NULL -+array_size_show_47883 array_size_show 0 47883 NULL -+ubi_wl_put_peb_47886 ubi_wl_put_peb 0 47886 NULL -+ds1374_wdt_write_47888 ds1374_wdt_write 0-3 47888 NULL -+keyctl_instantiate_key_common_47889 keyctl_instantiate_key_common 4 47889 NULL -+read_prph_47892 read_prph 0 47892 NULL 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48822 NULL nohasharray -+journal_end_sync_48822 journal_end_sync 0 48822 &smb2_flush_file_48822 -+mci_ue_noinfo_show_48824 mci_ue_noinfo_show 0 48824 NULL -+atomic_counters_read_48827 atomic_counters_read 3-0 48827 NULL -+exchange_bmi_msg_48829 exchange_bmi_msg 0 48829 NULL -+vmci_transport_notify_recv_post_dequeue_48831 vmci_transport_notify_recv_post_dequeue 0 48831 NULL -+vc_do_resize_48842 vc_do_resize 3-4 48842 NULL nohasharray -+vbi_queue_setup_48842 vbi_queue_setup 0 48842 &vc_do_resize_48842 nohasharray -+velocity_get_sset_count_48842 velocity_get_sset_count 0 48842 &vbi_queue_setup_48842 -+ds1511_rtc_set_alarm_48843 ds1511_rtc_set_alarm 0 48843 NULL -+show_host_param_ISCSI_HOST_PARAM_INITIATOR_NAME_48845 show_host_param_ISCSI_HOST_PARAM_INITIATOR_NAME 0 48845 NULL -+il_dbgfs_force_reset_write_48846 il_dbgfs_force_reset_write 0-3 48846 NULL -+insert_queue_48849 insert_queue 0 48849 NULL -+pcnet32_open_48852 pcnet32_open 0 48852 NULL -+rpf_s_ctrl_48853 rpf_s_ctrl 0 48853 NULL 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0-4 49149 &wl1271_ps_elp_wakeup_49149 -+target_core_dev_pr_show_attr_res_pr_all_tgt_pts_49150 target_core_dev_pr_show_attr_res_pr_all_tgt_pts 0 49150 NULL -+atyfb_setup_generic_49151 atyfb_setup_generic 3 49151 NULL nohasharray -+divas_read_49151 divas_read 0-3 49151 &atyfb_setup_generic_49151 nohasharray -+patch_vt1812_49151 patch_vt1812 0 49151 &divas_read_49151 nohasharray -+p9_client_zc_rpc_49151 p9_client_zc_rpc 7 49151 &patch_vt1812_49151 -+bq24190_write_mask_49153 bq24190_write_mask 0 49153 NULL -+ipwireless_tty_received_49154 ipwireless_tty_received 3 49154 NULL -+f2fs_acl_count_49155 f2fs_acl_count 0-1 49155 NULL -+da903x_clr_bits_49158 da903x_clr_bits 0 49158 NULL -+gr_queue_49159 gr_queue 0 49159 NULL -+falcon_a1_mem_map_size_49160 falcon_a1_mem_map_size 0 49160 NULL nohasharray -+fm10k_update_uc_addr_vf_49160 fm10k_update_uc_addr_vf 0 49160 &falcon_a1_mem_map_size_49160 -+ipw_queue_tx_init_49161 ipw_queue_tx_init 3 49161 NULL -+xfs_file_buffered_aio_write_49162 xfs_file_buffered_aio_write 0 49162 NULL -+gpio_setup_irq_49163 gpio_setup_irq 0 49163 NULL -+lpfc_enable_fip_show_49166 lpfc_enable_fip_show 0 49166 NULL nohasharray -+fuse_notify_poll_49166 fuse_notify_poll 0 49166 &lpfc_enable_fip_show_49166 -+ext4_free_clusters_after_init_49174 ext4_free_clusters_after_init 2 49174 NULL -+__jfs_setxattr_49175 __jfs_setxattr 5-0 49175 NULL -+w1_master_probe_49176 w1_master_probe 0 49176 NULL -+ath6kl_bgscan_int_write_49178 ath6kl_bgscan_int_write 3-0 49178 NULL -+dvb_dvr_ioctl_49182 dvb_dvr_ioctl 2 49182 NULL -+phy_device_create_49190 phy_device_create 3 49190 NULL -+vmlfb_set_par_49191 vmlfb_set_par 0 49191 NULL -+xfs_da_grow_inode_49192 xfs_da_grow_inode 0 49192 NULL -+sm501fb_debug_show_pnl_49195 sm501fb_debug_show_pnl 0 49195 NULL -+_iwl_dbgfs_netdetect_write_49196 _iwl_dbgfs_netdetect_write 3-0 49196 NULL -+iwl_dbgfs_ucode_general_stats_read_49199 iwl_dbgfs_ucode_general_stats_read 3-0 49199 NULL nohasharray -+i2c_nuvoton_recv_49199 i2c_nuvoton_recv 0-3 49199 &iwl_dbgfs_ucode_general_stats_read_49199 -+aio_read_null_49202 aio_read_null 0 49202 NULL -+il4965_rs_sta_dbgfs_stats_table_read_49206 il4965_rs_sta_dbgfs_stats_table_read 3-0 49206 NULL -+prepare_for_input_49207 prepare_for_input 0 49207 NULL -+do_jffs2_getxattr_49210 do_jffs2_getxattr 0 49210 NULL -+show_ipInUnknownProtos_49211 show_ipInUnknownProtos 0 49211 NULL -+show_local_ib_port_49215 show_local_ib_port 0 49215 NULL -+ceph_vxattrcb_dir_rbytes_49217 ceph_vxattrcb_dir_rbytes 0 49217 NULL -+target_stat_scsi_auth_intr_show_attr_read_mbytes_49221 target_stat_scsi_auth_intr_show_attr_read_mbytes 0 49221 NULL -+tpm_store_ppi_request_49225 tpm_store_ppi_request 0-4 49225 NULL -+roccat_common2_sysfs_write_profile_settings_49229 roccat_common2_sysfs_write_profile_settings 0-6-5 49229 NULL -+p2m_timeouts_show_49231 p2m_timeouts_show 0 49231 NULL -+smm665_show_crit_alarm_49232 smm665_show_crit_alarm 0 49232 NULL -+show_dh_state_49233 show_dh_state 0 49233 NULL nohasharray -+class_attr_store_49233 class_attr_store 0-4 49233 &show_dh_state_49233 -+stop_discovery_49237 stop_discovery 4 49237 NULL -+atxp1_showvcore_49238 atxp1_showvcore 0 49238 NULL -+v9fs_vfs_getattr_49240 v9fs_vfs_getattr 0 49240 NULL -+lpfc_fcp_class_show_49242 lpfc_fcp_class_show 0 49242 NULL nohasharray -+store_49242 store 0 49242 &lpfc_fcp_class_show_49242 -+ks8851_net_open_49243 ks8851_net_open 0 49243 NULL -+iio_buffer_read_length_49246 iio_buffer_read_length 0 49246 NULL -+get_write_access_49253 get_write_access 0 49253 NULL -+pmbus_regulator_disable_49257 pmbus_regulator_disable 0 49257 NULL nohasharray -+rtl2832_sdr_submit_urbs_49257 rtl2832_sdr_submit_urbs 0 49257 &pmbus_regulator_disable_49257 -+selinux_netlink_send_49259 selinux_netlink_send 0 49259 NULL nohasharray -+max8997_rtc_stop_alarm_49259 max8997_rtc_stop_alarm 0 49259 &selinux_netlink_send_49259 -+ieee80211_if_read_rssi_threshold_49260 ieee80211_if_read_rssi_threshold 3-0 49260 NULL -+__smsc75xx_read_reg_49264 __smsc75xx_read_reg 0 49264 NULL -+capture_pcm_prepare_49266 capture_pcm_prepare 0 49266 NULL -+isku_sysfs_read_keys_media_49268 isku_sysfs_read_keys_media 6-0-5 49268 NULL -+osd_req_add_get_attr_list_49278 osd_req_add_get_attr_list 3 49278 NULL nohasharray -+show_conn_param_ISCSI_PARAM_DATADGST_EN_49278 show_conn_param_ISCSI_PARAM_DATADGST_EN 0 49278 &osd_req_add_get_attr_list_49278 -+rx_filter_beacon_filter_read_49279 rx_filter_beacon_filter_read 3-0 49279 NULL -+nilfs_bmap_assign_49282 nilfs_bmap_assign 0 49282 NULL -+store_49284 store 0 49284 NULL -+ext4_xattr_ibody_list_49287 ext4_xattr_ibody_list 0 49287 NULL nohasharray -+node_read_distance_49287 node_read_distance 0 49287 &ext4_xattr_ibody_list_49287 -+viafb_dfph_proc_write_49288 viafb_dfph_proc_write 3-0 49288 NULL -+store_49298 store 0-3 49298 NULL -+__niu_set_and_wait_clear_49299 __niu_set_and_wait_clear 0 49299 NULL -+uio_read_49300 uio_read 3-0 49300 NULL -+ocfs2_resmap_find_free_bits_49301 ocfs2_resmap_find_free_bits 3 49301 NULL -+bch_bset_print_stats_49303 bch_bset_print_stats 0 49303 NULL -+cyapa_gen5_suspend_scanning_49305 cyapa_gen5_suspend_scanning 0 49305 NULL -+isku_sysfs_read_keys_macro_49312 isku_sysfs_read_keys_macro 6-0-5 49312 NULL -+request_locality_49318 request_locality 0 49318 NULL -+SYSC_mincore_49319 SYSC_mincore 2-1 49319 NULL -+stream_enqueue_49324 stream_enqueue 0 49324 NULL -+fwtty_port_handler_49327 fwtty_port_handler 9 49327 NULL -+show_freq_49329 show_freq 0 49329 NULL -+srpt_alloc_ioctx_ring_49330 srpt_alloc_ioctx_ring 3-4-2 49330 NULL -+statfs_slow_fill_49342 statfs_slow_fill 0 49342 NULL -+cfpkt_setlen_49343 cfpkt_setlen 2 49343 NULL -+ipath_set_rx_pol_inv_49344 ipath_set_rx_pol_inv 0 49344 NULL -+_nfs4_do_setlk_49351 _nfs4_do_setlk 0 49351 NULL -+i40e_vsi_configure_49352 i40e_vsi_configure 0 49352 NULL -+inet6_getname_49353 inet6_getname 0 49353 NULL nohasharray -+pch_can_open_49353 pch_can_open 0 49353 &inet6_getname_49353 -+show_ipv6_iface_traffic_class_49355 show_ipv6_iface_traffic_class 0 49355 NULL nohasharray -+execute_49355 execute 0 49355 &show_ipv6_iface_traffic_class_49355 -+joydev_ioctl_common_49359 joydev_ioctl_common 2 49359 NULL -+input_dev_show_cap_snd_49368 input_dev_show_cap_snd 0 49368 NULL -+avtab_init_49369 avtab_init 0 49369 NULL -+px_raw_event_49371 px_raw_event 4 49371 NULL -+resync_start_show_49372 resync_start_show 0 49372 NULL -+da9052_bat_get_property_49379 da9052_bat_get_property 0 49379 NULL -+show_rpm_max_49388 show_rpm_max 0 49388 NULL -+iscsi_alloc_session_49390 iscsi_alloc_session 3 49390 NULL -+__ioremap_caller_49392 __ioremap_caller 2-1 49392 NULL nohasharray -+applesmc_create_nodes_49392 applesmc_create_nodes 2 49392 &__ioremap_caller_49392 -+show_sas_spec_support_status_49396 show_sas_spec_support_status 0 49396 NULL nohasharray -+rtsx_transfer_sglist_adma_partial_49396 rtsx_transfer_sglist_adma_partial 4 49396 &show_sas_spec_support_status_49396 -+bh1770_lux_calib_store_49400 bh1770_lux_calib_store 0-4 49400 NULL -+rx_streaming_always_read_49401 rx_streaming_always_read 3-0 49401 NULL -+acpi_ds_execute_arguments_49406 acpi_ds_execute_arguments 0 49406 NULL -+tnode_alloc_49407 tnode_alloc 1 49407 NULL -+rivafb_set_par_49411 rivafb_set_par 0 49411 NULL -+tdfxfb_set_par_49414 tdfxfb_set_par 0 49414 NULL -+__mce_read_apei_49415 __mce_read_apei 0 49415 NULL -+quirk_pcie_aspm_write_49416 quirk_pcie_aspm_write 0 49416 NULL -+kbd_backlight_mode_store_49419 kbd_backlight_mode_store 0-4 49419 NULL -+iscsi_nacl_attrib_show_random_r2t_offsets_49422 iscsi_nacl_attrib_show_random_r2t_offsets 0 49422 NULL -+hdmiphy_s_stream_49426 hdmiphy_s_stream 0 49426 NULL nohasharray -+gfs2_quota_check_49426 gfs2_quota_check 0 49426 &hdmiphy_s_stream_49426 -+et131x_get_regs_len_49430 et131x_get_regs_len 0 49430 NULL -+ds1685_rtc_read_time_49432 ds1685_rtc_read_time 0 49432 NULL -+probe_kernel_read_49437 probe_kernel_read 0 49437 NULL -+compat_do_msg_fill_49440 compat_do_msg_fill 3 49440 NULL -+sctp_auth_asoc_init_active_key_49442 sctp_auth_asoc_init_active_key 0 49442 NULL -+i915_gem_object_set_to_gtt_domain_49450 i915_gem_object_set_to_gtt_domain 0 49450 NULL -+set_pwm_en_49451 set_pwm_en 0-4 49451 NULL -+__hfsplus_getxattr_49460 __hfsplus_getxattr 0 49460 NULL -+be_mcc_compl_process_49462 be_mcc_compl_process 0 49462 NULL -+agp_3_5_isochronous_node_enable_49465 agp_3_5_isochronous_node_enable 3 49465 NULL -+snd_ymfpci_capture_trigger_49466 snd_ymfpci_capture_trigger 0 49466 NULL -+mmc_name_show_49467 mmc_name_show 0 49467 NULL -+xfs_iformat_local_49472 xfs_iformat_local 4 49472 NULL -+dn_nsp_do_disc_49474 dn_nsp_do_disc 6-2 49474 NULL -+buf_prepare_49476 buf_prepare 0 49476 NULL -+fan_fan2_input_show_49478 fan_fan2_input_show 0 49478 NULL -+rhine_vlan_rx_add_vid_49482 rhine_vlan_rx_add_vid 0 49482 NULL -+tipc_bclink_get_mtu_49483 tipc_bclink_get_mtu 0 49483 NULL nohasharray -+esp4_get_mtu_49483 esp4_get_mtu 0-2 49483 &tipc_bclink_get_mtu_49483 nohasharray -+b43legacy_validate_chipaccess_49483 b43legacy_validate_chipaccess 0 49483 &esp4_get_mtu_49483 -+ath10k_wmi_set_sta_ps_param_49484 ath10k_wmi_set_sta_ps_param 0 49484 NULL -+isr_decrypt_done_read_49490 isr_decrypt_done_read 3-0 49490 NULL -+r820t_read_49492 r820t_read 0-4 49492 NULL -+tpacpi_driver_wwan_emulstate_show_49494 tpacpi_driver_wwan_emulstate_show 0 49494 NULL -+ismt_access_49498 ismt_access 0 49498 NULL -+ql3xxx_open_49499 ql3xxx_open 0 49499 NULL -+show_fnode_tsid_49500 show_fnode_tsid 0 49500 NULL -+show_dts_ext_49503 show_dts_ext 0 49503 NULL -+acpi_ex_write_with_update_rule_49505 acpi_ex_write_with_update_rule 0 49505 NULL -+wake_lock_show_49508 wake_lock_show 0 49508 NULL -+show_offset_49516 show_offset 0 49516 NULL -+iwl_dbgfs_disable_power_off_read_49517 iwl_dbgfs_disable_power_off_read 3-0 49517 NULL nohasharray -+smp_execute_task_49517 smp_execute_task 0 49517 &iwl_dbgfs_disable_power_off_read_49517 -+pch_gbe_open_49518 pch_gbe_open 0 49518 NULL -+SyS_listxattr_49519 SyS_listxattr 3 49519 NULL -+__sock_recvmsg_nosec_49520 __sock_recvmsg_nosec 0-4 49520 NULL nohasharray -+emulator_write_phys_49520 emulator_write_phys 2 49520 &__sock_recvmsg_nosec_49520 -+xgbe_change_mtu_49524 xgbe_change_mtu 2-0 49524 NULL -+show_tcpOutSegs_49528 show_tcpOutSegs 0 49528 NULL nohasharray -+light_write_49528 light_write 0 49528 &show_tcpOutSegs_49528 nohasharray -+read_partial_49528 read_partial 2 49528 &light_write_49528 -+tda18271_write_regs_49537 tda18271_write_regs 0 49537 NULL -+netxen_issue_cmd_49538 netxen_issue_cmd 0 49538 NULL -+squashfs_trusted_list_49541 squashfs_trusted_list 0-5 49541 NULL -+s6e63m0_sysfs_show_gamma_table_49544 s6e63m0_sysfs_show_gamma_table 0 49544 NULL -+ntc_show_type_49546 ntc_show_type 0 49546 NULL -+show_attr_textmode_49550 show_attr_textmode 0 49550 NULL -+MIDIbuf_read_49551 MIDIbuf_read 0 49551 NULL -+__brcmf_cfg80211_up_49557 __brcmf_cfg80211_up 0 49557 NULL -+rx_queue_add_kobject_49559 rx_queue_add_kobject 0 49559 NULL -+smk_write_access_49561 smk_write_access 3-0 49561 NULL -+read_status_49562 read_status 0 49562 NULL -+proc_dev_atm_read_49563 proc_dev_atm_read 0-3 49563 NULL -+nilfs_btree_delete_49566 nilfs_btree_delete 0 49566 NULL -+show_taint_49568 show_taint 0 49568 NULL nohasharray -+hsr_netdev_notify_49568 hsr_netdev_notify 0 49568 &show_taint_49568 -+major_show_49571 major_show 0 49571 NULL -+ntfs_malloc_nofs_49572 ntfs_malloc_nofs 1 49572 NULL -+alloc_chunk_49575 alloc_chunk 1 49575 NULL -+sctp_setsockopt_default_send_param_49578 sctp_setsockopt_default_send_param 3-0 49578 NULL -+show_in_alarm_49582 show_in_alarm 0 49582 NULL -+readfifo_49583 readfifo 1 49583 NULL -+gfs2_quota_lock_49587 gfs2_quota_lock 0 49587 NULL -+cpu_mask_to_apicid_and_49589 cpu_mask_to_apicid_and 0 49589 NULL nohasharray -+aty_valid_pll_ct_49589 aty_valid_pll_ct 0 49589 &cpu_mask_to_apicid_and_49589 -+usbhid_get_power_49590 usbhid_get_power 0 49590 NULL -+frag_rx_path_49593 frag_rx_path 3 49593 NULL -+evm_inode_setattr_49594 evm_inode_setattr 0 49594 NULL nohasharray -+tpacpi_rfk_sysfs_enable_store_49594 tpacpi_rfk_sysfs_enable_store 0-4 49594 &evm_inode_setattr_49594 -+elants_i2c_fw_update_49595 elants_i2c_fw_update 0 49595 NULL -+snd_emu10k1_efx_playback_prepare_49597 snd_emu10k1_efx_playback_prepare 0 49597 NULL -+ceph_key_preparse_49602 ceph_key_preparse 0 49602 NULL -+usbtv_select_input_49603 usbtv_select_input 0 49603 NULL -+ocfs2_xattr_trusted_list_49606 ocfs2_xattr_trusted_list 0-5 49606 NULL nohasharray -+mcs7830_hif_set_mac_address_49606 mcs7830_hif_set_mac_address 0 49606 &ocfs2_xattr_trusted_list_49606 nohasharray -+pch_phub_write_gbe_mac_addr_49606 pch_phub_write_gbe_mac_addr 0 49606 &mcs7830_hif_set_mac_address_49606 -+isr_wakeups_read_49607 isr_wakeups_read 3-0 49607 NULL -+f_get_base_info_49609 f_get_base_info 0 49609 NULL -+show_therm_crit_alarm_49611 show_therm_crit_alarm 0 49611 NULL -+cfq_group_idle_show_49612 cfq_group_idle_show 0 49612 NULL -+compat_SyS_fcntl64_49613 compat_SyS_fcntl64 3 49613 NULL -+qla4_83xx_set_idc_ver_49615 qla4_83xx_set_idc_ver 0 49615 NULL -+btrfs_mksubvol_49616 btrfs_mksubvol 3 49616 NULL nohasharray -+mt2060_get_if_frequency_49616 mt2060_get_if_frequency 0 49616 &btrfs_mksubvol_49616 -+xfs_attr3_leaf_add_49617 xfs_attr3_leaf_add 0 49617 NULL -+vt596_transaction_49618 vt596_transaction 0 49618 NULL -+smk_write_doi_49621 smk_write_doi 3-0 49621 NULL nohasharray -+ath10k_htc_init_49621 ath10k_htc_init 0 49621 &smk_write_doi_49621 -+port_fops_read_49626 port_fops_read 3-0 49626 NULL -+v4l2_m2m_qbuf_49627 v4l2_m2m_qbuf 0 49627 NULL -+btrfsic_cmp_log_and_dev_bytenr_49628 btrfsic_cmp_log_and_dev_bytenr 2 49628 NULL -+ecryptfs_permission_49634 ecryptfs_permission 0 49634 NULL nohasharray -+cbaf_cdid_get_49634 cbaf_cdid_get 0 49634 &ecryptfs_permission_49634 -+rds_notify_queue_get_49635 rds_notify_queue_get 0 49635 NULL -+raw_enable_allfilters_49639 raw_enable_allfilters 0 49639 NULL -+max_user_freq_show_49643 max_user_freq_show 0 49643 NULL -+pyra_sysfs_read_info_49669 pyra_sysfs_read_info 0-5-6 49669 NULL -+match_int_49672 match_int 0 49672 NULL -+__hci_req_sync_49680 __hci_req_sync 0 49680 NULL -+ubi_wl_flush_49682 ubi_wl_flush 0 49682 NULL -+aa_simple_write_to_buffer_49683 aa_simple_write_to_buffer 4-3 49683 NULL nohasharray -+lp5562_run_predef_led_pattern_49683 lp5562_run_predef_led_pattern 0 49683 &aa_simple_write_to_buffer_49683 -+SyS_pwritev_49688 SyS_pwritev 3 49688 NULL -+fw_status_49690 fw_status 0 49690 NULL -+__setup_irq_49696 __setup_irq 0 49696 NULL -+sys_gethostname_49698 sys_gethostname 2 49698 NULL -+tcp_sacktag_walk_49703 tcp_sacktag_walk 5-6 49703 NULL nohasharray -+snd_usb_endpoint_set_params_49703 snd_usb_endpoint_set_params 0 49703 &tcp_sacktag_walk_49703 -+picolcd_operation_mode_delay_show_49709 picolcd_operation_mode_delay_show 0 49709 NULL -+vnic_dev_add_addr_49710 vnic_dev_add_addr 0 49710 NULL nohasharray -+do_iter_readv_writev_49710 do_iter_readv_writev 0 49710 &vnic_dev_add_addr_49710 -+show_online_49713 show_online 0 49713 NULL -+do_splice_to_49714 do_splice_to 0-4 49714 NULL -+write_pool_49718 write_pool 3-0 49718 NULL -+create_modalias_49720 create_modalias 0 49720 NULL -+alloc_kmem_cache_node_49725 alloc_kmem_cache_node 0 49725 NULL -+__netlink_insert_49728 __netlink_insert 0 49728 NULL -+pcnet_open_49729 pcnet_open 0 49729 NULL -+dev_pm_qos_constraints_allocate_49731 dev_pm_qos_constraints_allocate 0 49731 NULL -+sys_fsetxattr_49736 sys_fsetxattr 4 49736 NULL -+write_exec_49737 write_exec 0 49737 NULL nohasharray -+cbaf_send_host_info_49737 cbaf_send_host_info 0 49737 &write_exec_49737 -+check_frame_49741 check_frame 0 49741 NULL -+ixgbe_vlan_rx_add_vid_49743 ixgbe_vlan_rx_add_vid 0 49743 NULL -+zd_usb_iowrite16v_49744 zd_usb_iowrite16v 3 49744 NULL nohasharray -+iio_show_dev_name_49744 iio_show_dev_name 0 49744 &zd_usb_iowrite16v_49744 -+show_usblim_49746 show_usblim 0 49746 NULL nohasharray -+uvc_init_video_49746 uvc_init_video 0 49746 &show_usblim_49746 -+firmware_loading_show_49748 firmware_loading_show 0 49748 NULL -+__niu_wait_bits_clear_ipp_49750 __niu_wait_bits_clear_ipp 0 49750 NULL nohasharray -+snd_hdac_get_connections_49750 snd_hdac_get_connections 0 49750 &__niu_wait_bits_clear_ipp_49750 -+btrfs_chunk_num_stripes_49751 btrfs_chunk_num_stripes 0 49751 NULL -+fuse_wr_pages_49753 fuse_wr_pages 0-2-1 49753 NULL -+lifetime_write_kbytes_show_49754 lifetime_write_kbytes_show 0 49754 NULL -+pb0100_set_red_balance_49756 pb0100_set_red_balance 0 49756 NULL -+nci_skb_alloc_49757 nci_skb_alloc 2 49757 NULL -+key_conf_keylen_read_49758 key_conf_keylen_read 3-0 49758 NULL nohasharray -+cfg80211_vendor_event_alloc_49758 cfg80211_vendor_event_alloc 2 49758 &key_conf_keylen_read_49758 nohasharray -+zr364xx_prepare_49758 zr364xx_prepare 0 49758 &cfg80211_vendor_event_alloc_49758 -+acpi_ps_get_next_namepath_49760 acpi_ps_get_next_namepath 0 49760 NULL 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51793 NULL -+pccard_store_insert_51794 pccard_store_insert 0-4 51794 NULL -+every_nth_store_51795 every_nth_store 0-3 51795 NULL -+hfsplus_listxattr_51796 hfsplus_listxattr 0-3 51796 NULL -+c2port_write_flash_data_51797 c2port_write_flash_data 0-5-6 51797 NULL -+pm_qos_resume_latency_show_51798 pm_qos_resume_latency_show 0 51798 NULL -+acpi_table_parse_entries_51801 acpi_table_parse_entries 0 51801 NULL -+fc0013_set_params_51810 fc0013_set_params 0 51810 NULL -+qlcnic_82xx_get_pci_info_51814 qlcnic_82xx_get_pci_info 0 51814 NULL nohasharray -+store_51814 store 0-3 51814 &qlcnic_82xx_get_pci_info_51814 -+edd_show_default_cylinders_51815 edd_show_default_cylinders 0 51815 NULL -+qib_alloc_devdata_51819 qib_alloc_devdata 2 51819 NULL -+scsi_format_opcode_name_51826 scsi_format_opcode_name 0-2 51826 NULL nohasharray -+buffer_from_user_51826 buffer_from_user 3 51826 &scsi_format_opcode_name_51826 -+MoxaPortTxFree_51829 MoxaPortTxFree 0 51829 NULL -+topology_add_dev_51831 topology_add_dev 0 51831 NULL -+_write_user_prot_reg_51832 _write_user_prot_reg 0 51832 NULL -+rbd_dev_v1_header_info_51837 rbd_dev_v1_header_info 0 51837 NULL -+write_packet_51838 write_packet 0 51838 NULL -+wl1251_acx_sg_enable_51840 wl1251_acx_sg_enable 0 51840 NULL nohasharray -+store_filter_select_51840 store_filter_select 0-4 51840 &wl1251_acx_sg_enable_51840 -+uinput_setup_device_51841 uinput_setup_device 0 51841 NULL -+zd_set_encryption_type_51842 zd_set_encryption_type 0 51842 NULL -+raw6_getfrag_51846 raw6_getfrag 3-4 51846 NULL nohasharray -+wwan_store_51846 wwan_store 4-0 51846 &raw6_getfrag_51846 -+ioread32_51847 ioread32 0 51847 NULL nohasharray -+read_file_tgt_tx_stats_51847 read_file_tgt_tx_stats 3-0 51847 &ioread32_51847 -+do_readv_writev_51849 do_readv_writev 4-0 51849 NULL -+vti6_dev_init_51851 vti6_dev_init 0 51851 NULL nohasharray -+set_interval_51851 set_interval 0-4 51851 &vti6_dev_init_51851 -+SYSC_sendto_51852 SYSC_sendto 6-3 51852 NULL nohasharray -+set_frame_retries_51852 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52343 NULL -+tcs3414_buffer_predisable_52350 tcs3414_buffer_predisable 0 52350 NULL -+pscsi_configure_device_52352 pscsi_configure_device 0 52352 NULL -+ds1672_get_control_52353 ds1672_get_control 0 52353 NULL -+ina209_show_interval_52354 ina209_show_interval 0 52354 NULL -+i40e_vsi_control_rings_52357 i40e_vsi_control_rings 0 52357 NULL -+ieee80211_rx_radiotap_hdrlen_52359 ieee80211_rx_radiotap_hdrlen 0 52359 NULL -+show_iostat_counterbits_52360 show_iostat_counterbits 0 52360 NULL -+tx_bytes_show_52361 tx_bytes_show 0 52361 NULL nohasharray -+label_vga_52361 label_vga 0 52361 &tx_bytes_show_52361 -+show_counter_rx_p8_hdr_egr_ovfls_52362 show_counter_rx_p8_hdr_egr_ovfls 0 52362 NULL nohasharray -+cap_inode_killpriv_52362 cap_inode_killpriv 0 52362 &show_counter_rx_p8_hdr_egr_ovfls_52362 -+copy_entries_to_user_52367 copy_entries_to_user 1 52367 NULL nohasharray -+ssb_attr_sprom_show_52367 ssb_attr_sprom_show 0 52367 &copy_entries_to_user_52367 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xfs_dir2_sf_addname_hard 3 54254 NULL -+venus_setattr_54255 venus_setattr 0 54255 NULL -+queue_logical_block_size_show_54257 queue_logical_block_size_show 0 54257 NULL -+ceph_msgpool_get_54258 ceph_msgpool_get 2 54258 NULL -+iwl_pcie_set_cmd_in_flight_54259 iwl_pcie_set_cmd_in_flight 0 54259 NULL nohasharray -+inv_reset_fifo_54259 inv_reset_fifo 0 54259 &iwl_pcie_set_cmd_in_flight_54259 -+audio_write_54261 audio_write 4-0 54261 NULL nohasharray -+wusb_prf_54261 wusb_prf 7-0 54261 &audio_write_54261 nohasharray -+asus_wmi_get_devstate_bits_54261 asus_wmi_get_devstate_bits 0-3 54261 &wusb_prf_54261 nohasharray -+bond_option_primary_reselect_set_54261 bond_option_primary_reselect_set 0 54261 &asus_wmi_get_devstate_bits_54261 -+get_temp_alarm_54267 get_temp_alarm 0 54267 NULL -+mwifiex_getlog_read_54269 mwifiex_getlog_read 3-0 54269 NULL -+kstrtou16_from_user_54274 kstrtou16_from_user 2 54274 NULL -+snd_hda_query_supported_pcm_54275 snd_hda_query_supported_pcm 0 54275 NULL 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crc32_pclmul_init 0 54305 NULL -+sprintf_54306 sprintf 0 54306 NULL -+path_setxattr_54308 path_setxattr 4 54308 NULL -+mlx4_en_create_rx_ring_54315 mlx4_en_create_rx_ring 3 54315 NULL -+kone_set_settings_54317 kone_set_settings 0 54317 NULL -+qlcnic_sriov_cfg_vf_guest_vlan_54318 qlcnic_sriov_cfg_vf_guest_vlan 0 54318 NULL -+bio_add_pc_page_54319 bio_add_pc_page 4 54319 NULL nohasharray -+snd_hwdep_write_54319 snd_hwdep_write 0-3 54319 &bio_add_pc_page_54319 -+setup_data_data_read_54324 setup_data_data_read 0-5-6 54324 NULL -+elan_i2c_calibrate_54325 elan_i2c_calibrate 0 54325 NULL -+pn_raw_send_54330 pn_raw_send 2 54330 NULL -+bnx2_setup_int_mode_54335 bnx2_setup_int_mode 0 54335 NULL -+ocrdma_addr_event_54337 ocrdma_addr_event 0 54337 NULL -+ths7303_s_stream_54338 ths7303_s_stream 0 54338 NULL -+br_fdb_fillbuf_54339 br_fdb_fillbuf 0 54339 NULL nohasharray -+ks0127_s_stream_54339 ks0127_s_stream 0 54339 &br_fdb_fillbuf_54339 -+da9052_enable_vddout_channel_54341 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55291 NULL -+apds990x_lux_thresh_above_store_55296 apds990x_lux_thresh_above_store 0-4 55296 NULL -+lov_get_stripecnt_55297 lov_get_stripecnt 0-3 55297 NULL -+show_session_param_ISCSI_PARAM_TPGT_55299 show_session_param_ISCSI_PARAM_TPGT 0 55299 NULL -+gsm_control_modem_55303 gsm_control_modem 3 55303 NULL -+__get_vm_area_node_55305 __get_vm_area_node 1 55305 NULL nohasharray -+qp_alloc_guest_work_55305 qp_alloc_guest_work 3-5 55305 &__get_vm_area_node_55305 nohasharray -+compat_SyS_process_vm_readv_55305 compat_SyS_process_vm_readv 3-5 55305 &qp_alloc_guest_work_55305 -+adxl34x_rate_show_55315 adxl34x_rate_show 0 55315 NULL -+w5100_get_regs_len_55317 w5100_get_regs_len 0 55317 NULL -+compat_SyS_mbind_55329 compat_SyS_mbind 5 55329 NULL -+show_fc_host_port_state_55331 show_fc_host_port_state 0 55331 NULL -+gpio_trig_gpio_show_55336 gpio_trig_gpio_show 0 55336 NULL -+reg_read_55337 reg_read 0 55337 NULL -+vme_user_read_55338 vme_user_read 3 55338 NULL -+__set_pwm_55339 __set_pwm 0 55339 NULL -+read_byte_55340 read_byte 0 55340 NULL -+__wa_xfer_setup_sizes_55342 __wa_xfer_setup_sizes 0 55342 NULL -+SYSC_recvfrom_55346 SYSC_recvfrom 3 55346 NULL -+udf_writepage_55347 udf_writepage 0 55347 NULL -+device_user_lock_55350 device_user_lock 0 55350 NULL -+show_in0_max_55351 show_in0_max 0 55351 NULL -+i915_gem_obj_offset_view_55353 i915_gem_obj_offset_view 0 55353 NULL -+input_dev_show_cap_ff_55354 input_dev_show_cap_ff 0 55354 NULL nohasharray -+set_nic_info_55354 set_nic_info 0 55354 &input_dev_show_cap_ff_55354 -+relay_hotcpu_callback_55355 relay_hotcpu_callback 0 55355 NULL -+tps80031_reads_55356 tps80031_reads 0 55356 NULL -+dsbr100_start_55357 dsbr100_start 0 55357 NULL nohasharray -+attr_select_right_store_tpkbd_55357 attr_select_right_store_tpkbd 0-4 55357 &dsbr100_start_55357 -+do_command_55363 do_command 0 55363 NULL -+vb2_reqbufs_55367 vb2_reqbufs 0 55367 NULL -+cxacru_sysfs_show_line_startable_55372 cxacru_sysfs_show_line_startable 0 55372 NULL 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6 55590 NULL -+write_inode_55592 write_inode 0 55592 NULL -+ufx_reg_write_55594 ufx_reg_write 0 55594 NULL -+ip_vs_reply6_55598 ip_vs_reply6 0 55598 NULL -+kstrtou8_from_user_55599 kstrtou8_from_user 2-0 55599 NULL -+SyS_keyctl_55602 SyS_keyctl 4 55602 NULL -+mlx4_set_port_mac_table_55603 mlx4_set_port_mac_table 0 55603 NULL -+tg3_set_mac_addr_55606 tg3_set_mac_addr 0 55606 NULL -+allocate_without_wrapping_disk_55607 allocate_without_wrapping_disk 4 55607 NULL nohasharray -+delete_child_55607 delete_child 0-4 55607 &allocate_without_wrapping_disk_55607 -+dspcreate_55610 dspcreate 0 55610 NULL -+selinux_setprocattr_55611 selinux_setprocattr 4-0 55611 NULL -+fastopen_init_queue_55615 fastopen_init_queue 0 55615 NULL -+__qbuf_dmabuf_55617 __qbuf_dmabuf 0 55617 NULL -+edge_tty_recv_55622 edge_tty_recv 3 55622 NULL nohasharray -+set_oversampling_55622 set_oversampling 0-4 55622 &edge_tty_recv_55622 -+snd_pcm_hw_param_last_55624 snd_pcm_hw_param_last 0 55624 NULL 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autosuspend_delay_ms_store 0-4 56005 NULL -+soft_store_56006 soft_store 0-4 56006 NULL -+tda18271_set_params_56008 tda18271_set_params 0 56008 NULL -+irda_listen_56013 irda_listen 0 56013 NULL nohasharray -+int3403_set_cur_state_56013 int3403_set_cur_state 0 56013 &irda_listen_56013 -+batadv_interface_set_mac_addr_56014 batadv_interface_set_mac_addr 0 56014 NULL -+integrity_tag_size_show_56019 integrity_tag_size_show 0 56019 NULL -+ssb_bus_pcmciabus_register_56020 ssb_bus_pcmciabus_register 3 56020 NULL -+cp_init_rings_56021 cp_init_rings 0 56021 NULL -+toshiba_panel_power_on_set_56025 toshiba_panel_power_on_set 0 56025 NULL -+hotkey_get_tablet_mode_56028 hotkey_get_tablet_mode 0 56028 NULL nohasharray -+rtl8169_init_ring_56028 rtl8169_init_ring 0 56028 &hotkey_get_tablet_mode_56028 -+acpi_get_name_56030 acpi_get_name 0 56030 NULL -+nfs_write_end_56034 nfs_write_end 0-5 56034 NULL -+vmci_ctx_enqueue_datagram_56035 vmci_ctx_enqueue_datagram 0 56035 NULL -+store_cursor_56036 store_cursor 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NULL -+i40e_vsi_control_tx_56215 i40e_vsi_control_tx 0 56215 NULL -+isp116x_urb_enqueue_56219 isp116x_urb_enqueue 0 56219 NULL -+ocfs2_find_xe_in_bucket_56224 ocfs2_find_xe_in_bucket 0 56224 NULL -+iwl_dbgfs_bcast_filters_write_56225 iwl_dbgfs_bcast_filters_write 0-3 56225 NULL -+cp210x_get_config_56229 cp210x_get_config 4 56229 NULL -+show_cursor_blink_56236 show_cursor_blink 0 56236 NULL -+do_ipt_set_ctl_56238 do_ipt_set_ctl 4 56238 NULL -+fd_copyin_56247 fd_copyin 3 56247 NULL -+nv_device_resource_len_56251 nv_device_resource_len 0 56251 NULL -+ax_header_56252 ax_header 0 56252 NULL -+lpfc_use_adisc_store_56254 lpfc_use_adisc_store 0-4 56254 NULL -+fm10k_get_regs_len_56259 fm10k_get_regs_len 0 56259 NULL -+set_otp1en_56264 set_otp1en 4-0 56264 NULL -+clk_enable_56265 clk_enable 0 56265 NULL -+qib_set_part_key_56267 qib_set_part_key 0 56267 NULL -+hugetlb_entry_56271 hugetlb_entry 0 56271 NULL -+acpi_ex_get_serial_access_length_56275 acpi_ex_get_serial_access_length 0-2 56275 NULL 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usb_gadget_map_request 0 57272 NULL -+show_voltage_57273 show_voltage 0 57273 NULL -+dib0070_tune_57275 dib0070_tune 0 57275 NULL -+crc32c_intel_final_57279 crc32c_intel_final 0 57279 NULL nohasharray -+load_data_57279 load_data 0-3 57279 &crc32c_intel_final_57279 -+mc44s803_set_params_57281 mc44s803_set_params 0 57281 NULL -+lbs_sleepparams_write_57283 lbs_sleepparams_write 3-0 57283 NULL nohasharray -+read_iter_57283 read_iter 0 57283 &lbs_sleepparams_write_57283 nohasharray -+hid_sensor_capture_sample_57283 hid_sensor_capture_sample 3 57283 &read_iter_57283 -+infos_show_57284 infos_show 0 57284 NULL -+store_tolerance_57285 store_tolerance 0-4 57285 NULL -+ath6kl_wmi_cmd_send_57286 ath6kl_wmi_cmd_send 0 57286 NULL -+pstore_file_read_57288 pstore_file_read 3-0 57288 NULL -+snd_pcm_read_57289 snd_pcm_read 3-0 57289 NULL -+sdev_store_evt_soft_threshold_reached_57290 sdev_store_evt_soft_threshold_reached 0-4 57290 NULL nohasharray -+string_length_no_trail_57290 string_length_no_trail 0-2 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57365 NULL -+sh_eth_open_57366 sh_eth_open 0 57366 NULL nohasharray -+w5100_set_macaddr_57366 w5100_set_macaddr 0 57366 &sh_eth_open_57366 -+_snd_pcm_hw_param_set_57369 _snd_pcm_hw_param_set 0 57369 NULL -+pscsi_create_type_other_57380 pscsi_create_type_other 0 57380 NULL -+tty_register_device_attr_57381 tty_register_device_attr 2 57381 NULL -+bzImage64_load_57388 bzImage64_load 7 57388 NULL -+squashfs_symlink_readpage_57390 squashfs_symlink_readpage 0 57390 NULL -+cx231xx_s_video_encoding_57392 cx231xx_s_video_encoding 0 57392 NULL -+ad7298_update_scan_mode_57393 ad7298_update_scan_mode 0 57393 NULL -+ivtvfb_check_var_57394 ivtvfb_check_var 0 57394 NULL -+bfs_statfs_57403 bfs_statfs 0 57403 NULL -+lbs_prb_rsp_limit_get_57405 lbs_prb_rsp_limit_get 0 57405 NULL -+read_file_blob_57406 read_file_blob 3-0 57406 NULL -+rd_show_configfs_dev_params_57407 rd_show_configfs_dev_params 0 57407 NULL -+enclosure_register_57412 enclosure_register 3 57412 NULL nohasharray 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57530 NULL -+inode_permission_57531 inode_permission 0 57531 NULL -+acpi_dev_get_resources_57534 acpi_dev_get_resources 0 57534 NULL -+ptlrpc_lprocfs_hp_ratio_seq_write_57537 ptlrpc_lprocfs_hp_ratio_seq_write 3 57537 NULL -+vsock_dgram_sendmsg_57538 vsock_dgram_sendmsg 0-4 57538 NULL -+show_country_rel_date_57539 show_country_rel_date 0 57539 NULL -+compat_SyS_process_vm_writev_57542 compat_SyS_process_vm_writev 3-5 57542 NULL -+ls_switch_store_57554 ls_switch_store 4-0 57554 NULL -+ext4_group_first_block_no_57559 ext4_group_first_block_no 0-2 57559 NULL nohasharray -+ReadHDLCPnP_57559 ReadHDLCPnP 0 57559 &ext4_group_first_block_no_57559 nohasharray -+iscsi_tpg_attrib_show_demo_mode_discovery_57559 iscsi_tpg_attrib_show_demo_mode_discovery 0 57559 &ReadHDLCPnP_57559 -+snd_pcm_playback_ioctl1_57569 snd_pcm_playback_ioctl1 0 57569 NULL -+pn544_hci_i2c_fw_write_cmd_57572 pn544_hci_i2c_fw_write_cmd 4 57572 NULL nohasharray -+rtpm_enabled_show_57572 rtpm_enabled_show 0 57572 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iwl_mvm_flush_tx_path 0 57640 NULL -+nvkm_fifo_create__57643 nvkm_fifo_create_ 5-6 57643 NULL -+mce_disable_error_reporting_57651 mce_disable_error_reporting 0 57651 NULL -+xfs_alloc_ag_vextent_near_57653 xfs_alloc_ag_vextent_near 0 57653 NULL -+c_can_start_57654 c_can_start 0 57654 NULL -+t4vf_sge_alloc_eth_txq_57656 t4vf_sge_alloc_eth_txq 0 57656 NULL -+iscsi_tpg_attrib_store_cache_dynamic_acls_57657 iscsi_tpg_attrib_store_cache_dynamic_acls 0-3 57657 NULL -+sys_mq_timedsend_57661 sys_mq_timedsend 3 57661 NULL -+r3964_write_57662 r3964_write 4 57662 NULL nohasharray -+ath10k_htt_init_57662 ath10k_htt_init 0 57662 &r3964_write_57662 -+withdraw_store_57663 withdraw_store 0-3 57663 NULL -+proc_ns_readlink_57664 proc_ns_readlink 3-0 57664 NULL -+dev_mc_add_57667 dev_mc_add 0 57667 NULL -+__lgwrite_57669 __lgwrite 4 57669 NULL -+__v9fs_readpage_from_fscache_57670 __v9fs_readpage_from_fscache 0 57670 NULL -+pte_entry_57674 pte_entry 0 57674 NULL -+ax88179_read_cmd_nopm_57675 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-+zfs_log_write_16524 zfs_log_write 6-5 16524 NULL -+sa_build_layouts_16910 sa_build_layouts 3 16910 NULL -+dsl_dir_namelen_17053 dsl_dir_namelen 0 17053 NULL -+kcopy_copy_to_user_17336 kcopy_copy_to_user 5 17336 NULL -+sa_add_layout_entry_17507 sa_add_layout_entry 3 17507 NULL -+sa_attr_table_setup_18029 sa_attr_table_setup 3 18029 NULL -+uiocopy_18680 uiocopy 2 18680 NULL -+dmu_buf_hold_array_by_dnode_19125 dmu_buf_hold_array_by_dnode 2-3 19125 NULL -+zpl_acl_from_xattr_21141 zpl_acl_from_xattr 2 21141 NULL -+dsl_pool_tx_assign_init_22518 dsl_pool_tx_assign_init 2 22518 NULL -+nvlist_lookup_byte_array_22527 nvlist_lookup_byte_array 0 22527 NULL -+sa_replace_all_by_template_locked_22533 sa_replace_all_by_template_locked 3 22533 NULL -+tsd_hash_table_init_22559 tsd_hash_table_init 1 22559 NULL -+spa_vdev_remove_aux_23966 spa_vdev_remove_aux 4 23966 NULL -+zpl_xattr_acl_set_access_24129 zpl_xattr_acl_set_access 4 24129 NULL -+dmu_assign_arcbuf_24622 dmu_assign_arcbuf 2 24622 NULL -+zap_lookup_norm_25166 zap_lookup_norm 9 25166 NULL -+dmu_prealloc_25456 dmu_prealloc 4-3 25456 NULL -+kmalloc_nofail_26347 kmalloc_nofail 1 26347 NULL -+zfsctl_snapshot_zpath_27578 zfsctl_snapshot_zpath 2 27578 NULL -+zpios_dmu_read_30015 zpios_dmu_read 4-5 30015 NULL -+splat_write_30943 splat_write 3 30943 NULL -+zpl_xattr_get_sa_31183 zpl_xattr_get_sa 0 31183 NULL -+dmu_read_uio_31467 dmu_read_uio 4 31467 NULL -+zfs_replay_fuids_31479 zfs_replay_fuids 4 31479 NULL -+spa_history_log_to_phys_31632 spa_history_log_to_phys 0-1 31632 NULL -+__zpl_xattr_get_32601 __zpl_xattr_get 0 32601 NULL -+proc_copyout_string_34049 proc_copyout_string 2 34049 NULL -+nv_alloc_sleep_spl_34544 nv_alloc_sleep_spl 2 34544 NULL -+nv_alloc_nosleep_spl_34761 nv_alloc_nosleep_spl 2 34761 NULL -+zap_leaf_array_match_36922 zap_leaf_array_match 4 36922 NULL -+copyinstr_36980 copyinstr 3 36980 NULL -+zpl_xattr_acl_set_default_37864 zpl_xattr_acl_set_default 4 37864 NULL -+splat_read_38116 splat_read 3 38116 NULL -+sa_setup_38756 sa_setup 4 38756 NULL -+vdev_disk_physio_39898 vdev_disk_physio 3 39898 NULL -+arc_buf_size_39982 arc_buf_size 0 39982 NULL -+kzalloc_nofail_40719 kzalloc_nofail 1 40719 NULL -+fuidstr_to_sid_40777 fuidstr_to_sid 4 40777 NULL -+vdev_raidz_matrix_reconstruct_40852 vdev_raidz_matrix_reconstruct 2-3 40852 NULL -+sa_find_layout_40892 sa_find_layout 4 40892 NULL -+zpl_xattr_get_dir_41918 zpl_xattr_get_dir 0 41918 NULL -+zfs_sa_get_xattr_42600 zfs_sa_get_xattr 0 42600 NULL -+zpl_xattr_acl_set_42808 zpl_xattr_acl_set 4 42808 NULL -+xdr_dec_array_43091 xdr_dec_array 5 43091 NULL -+dsl_dataset_namelen_43136 dsl_dataset_namelen 0 43136 NULL -+kcopy_write_43683 kcopy_write 3 43683 NULL -+uiomove_44355 uiomove 2 44355 NULL -+dmu_read_44418 dmu_read 4-3 44418 NULL -+ddi_copyin_44846 ddi_copyin 3 44846 NULL -+kcopy_do_get_45061 kcopy_do_get 5 45061 NULL -+copyin_45945 copyin 3 45945 NULL -+zil_itx_create_46555 zil_itx_create 2 46555 NULL -+dmu_write_uio_dbuf_48064 dmu_write_uio_dbuf 3 48064 NULL -+blk_rq_pos_48233 blk_rq_pos 0 48233 NULL -+spa_history_write_49650 spa_history_write 3 49650 NULL -+kcopy_copy_pages_to_user_49823 kcopy_copy_pages_to_user 3-4 49823 NULL -+zfs_log_write_50162 zfs_log_write 6-5 50162 NULL -+i_fm_alloc_51038 i_fm_alloc 2 51038 NULL -+copyout_51409 copyout 3 51409 NULL -+zvol_log_write_54898 zvol_log_write 4-3 54898 NULL -+zfs_acl_node_alloc_55641 zfs_acl_node_alloc 1 55641 NULL -+get_nvlist_56685 get_nvlist 2 56685 NULL -+zprop_get_numprops_56820 zprop_get_numprops 0 56820 NULL -+splat_taskq_test4_common_59829 splat_taskq_test4_common 5 59829 NULL -+zfs_replay_domain_cnt_61399 zfs_replay_domain_cnt 0 61399 NULL -+zpios_write_61823 zpios_write 3 61823 NULL -+proc_copyin_string_62019 proc_copyin_string 4 62019 NULL -+random_get_pseudo_bytes_64611 random_get_pseudo_bytes 2 64611 NULL -+zpios_read_64734 zpios_read 3 64734 NULL -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_ipa.c b/tools/gcc/size_overflow_plugin/size_overflow_ipa.c -new file mode 100644 -index 0000000..9846ab0 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_ipa.c -@@ -0,0 +1,913 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static next_interesting_function_t walk_use_def_next_functions(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs); -+ -+next_interesting_function_t global_next_interesting_function[GLOBAL_NIFN_LEN]; -+ -+static struct cgraph_node_hook_list *function_insertion_hook_holder; -+static struct cgraph_2node_hook_list *node_duplication_hook_holder; -+ -+struct cgraph_node *get_cnode(const_tree fndecl) -+{ -+ gcc_assert(TREE_CODE(fndecl) == FUNCTION_DECL); -+#if BUILDING_GCC_VERSION <= 4005 -+ return cgraph_get_node((tree)fndecl); -+#else -+ return cgraph_get_node(fndecl); -+#endif -+} -+ -+static bool compare_next_interesting_functions(next_interesting_function_t cur_node, const char *decl_name, const char *context, unsigned int num) -+{ -+ if (cur_node->marked == ASM_STMT_SO_MARK) -+ return false; -+ if (num != CANNOT_FIND_ARG && cur_node->num != num) -+ return false; -+ if (strcmp(cur_node->context, context)) -+ return false; -+ return !strcmp(cur_node->decl_name, decl_name); -+} -+ -+// Return the type name for a function pointer (or "fielddecl" if the type has no name), otherwise either "vardecl" or "fndecl" -+static const char* get_decl_context(const_tree decl) -+{ -+ const char *context; -+ -+ if (TREE_CODE(decl) == VAR_DECL) -+ return "vardecl"; -+ if (TREE_CODE(decl) == FUNCTION_DECL) -+ return "fndecl"; -+ -+ gcc_assert(TREE_CODE(decl) == FIELD_DECL); -+ context = get_type_name_from_field(decl); -+ -+ if (!context) -+ return "fielddecl"; -+ return context; -+} -+ -+/* Find the function with the specified argument in the list -+ * * if marked is ASM_STMT_SO_MARK or YES_SO_MARK then filter accordingly -+ * * if num is CANNOT_FIND_ARG then ignore it -+ */ -+next_interesting_function_t get_global_next_interesting_function_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked) -+{ -+ next_interesting_function_t cur_node, head; -+ -+ head = global_next_interesting_function[hash]; -+ for (cur_node = head; cur_node; cur_node = cur_node->next) { -+ if ((marked == ASM_STMT_SO_MARK || marked == YES_SO_MARK) && cur_node->marked != marked) -+ continue; -+ if (compare_next_interesting_functions(cur_node, decl_name, context, num)) -+ return cur_node; -+ } -+ return NULL; -+} -+ -+next_interesting_function_t get_global_next_interesting_function_entry_with_hash(const_tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked) -+{ -+ const char *context; -+ unsigned int hash; -+ -+ hash = get_decl_hash(decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ context = get_decl_context(decl); -+ return get_global_next_interesting_function_entry(decl_name, context, hash, num, marked); -+} -+ -+static bool is_vararg(const_tree fn, unsigned int num) -+{ -+ const_tree fn_type, last, type; -+ tree arg_list; -+ -+ if (num == 0) -+ return false; -+ if (fn == NULL_TREE) -+ return false; -+ if (TREE_CODE(fn) != FUNCTION_DECL) -+ return false; -+ -+ fn_type = TREE_TYPE(fn); -+ if (fn_type == NULL_TREE) -+ return false; -+ -+ arg_list = TYPE_ARG_TYPES(fn_type); -+ if (arg_list == NULL_TREE) -+ return false; -+ last = TREE_VALUE(tree_last(arg_list)); -+ -+ if (TREE_CODE_CLASS(TREE_CODE(last)) == tcc_type) -+ type = last; -+ else -+ type = TREE_TYPE(last); -+ -+ gcc_assert(type != NULL_TREE); -+ if (type == void_type_node) -+ return false; -+ -+ return num >= (unsigned int)list_length(arg_list); -+} -+ -+next_interesting_function_t create_new_next_interesting_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ next_interesting_function_t new_node; -+ -+ new_node = (next_interesting_function_t)xmalloc(sizeof(*new_node)); -+ new_node->decl_name = xstrdup(decl_name); -+ gcc_assert(context); -+ new_node->context = xstrdup(context); -+ new_node->hash = hash; -+ new_node->num = num; -+ new_node->next = NULL; -+ new_node->children = NULL; -+ new_node->marked = marked; -+ new_node->orig_next_node = orig_next_node; -+ return new_node; -+} -+ -+// Create the main data structure -+next_interesting_function_t create_new_next_interesting_decl(tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ unsigned int hash; -+ const char *context; -+ enum tree_code decl_code = TREE_CODE(decl); -+ -+ gcc_assert(decl_code == FIELD_DECL || decl_code == FUNCTION_DECL || decl_code == VAR_DECL); -+ -+ if (is_vararg(decl, num)) -+ return NULL; -+ -+ hash = get_decl_hash(decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ gcc_assert(num <= MAX_PARAM); -+ // Clones must have an orig_next_node -+ gcc_assert(!made_by_compiler(decl) || orig_next_node); -+ -+ context = get_decl_context(decl); -+ return create_new_next_interesting_entry(decl_name, context, hash, num, marked, orig_next_node); -+} -+ -+void add_to_global_next_interesting_function(next_interesting_function_t new_entry) -+{ -+ next_interesting_function_t cur_global_head, cur_global, cur_global_end = NULL; -+ -+ // new_entry is appended to the end of a list -+ new_entry->next = NULL; -+ -+ cur_global_head = global_next_interesting_function[new_entry->hash]; -+ if (!cur_global_head) { -+ global_next_interesting_function[new_entry->hash] = new_entry; -+ return; -+ } -+ -+ -+ for (cur_global = cur_global_head; cur_global; cur_global = cur_global->next) { -+ if (!cur_global->next) -+ cur_global_end = cur_global; -+ if (compare_next_interesting_functions(cur_global, new_entry->decl_name, new_entry->context, new_entry->num)) -+ return; -+ } -+ -+ gcc_assert(cur_global_end); -+ cur_global_end->next = new_entry; -+} -+ -+/* If the interesting function is a clone then find or create its original next_interesting_function_t node -+ * and add it to global_next_interesting_function -+ */ -+static next_interesting_function_t create_orig_next_node_for_a_clone(const_tree clone_fndecl, unsigned int num, enum size_overflow_mark marked) -+{ -+ next_interesting_function_t orig_next_node; -+ tree decl; -+ unsigned int orig_num; -+ enum tree_code decl_code; -+ const char *decl_name; -+ -+ decl = get_orig_fndecl(clone_fndecl); -+ decl_code = TREE_CODE(decl); -+ -+ if (decl_code == FIELD_DECL || decl_code == VAR_DECL) -+ orig_num = num; -+ else -+ orig_num = get_correct_argnum(clone_fndecl, decl, num); -+ -+ // Skip over ISRA.162 parm decls -+ if (orig_num == CANNOT_FIND_ARG) -+ return NULL; -+ -+ decl_name = get_orig_decl_name(decl); -+ orig_next_node = get_global_next_interesting_function_entry_with_hash(decl, decl_name, orig_num, NO_SO_MARK); -+ if (orig_next_node) -+ return orig_next_node; -+ -+ orig_next_node = create_new_next_interesting_decl(decl, decl_name, orig_num, marked, NULL); -+ gcc_assert(orig_next_node); -+ -+ add_to_global_next_interesting_function(orig_next_node); -+ return orig_next_node; -+} -+ -+// Find or create the next_interesting_function_t node for decl and num -+next_interesting_function_t get_and_create_next_node_from_global_next_nodes(tree decl, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ next_interesting_function_t cur_next_cnode; -+ const char *decl_name = DECL_NAME_POINTER(decl); -+ -+ cur_next_cnode = get_global_next_interesting_function_entry_with_hash(decl, decl_name, num, marked); -+ if (cur_next_cnode) -+ goto out; -+ -+ if (!orig_next_node && made_by_compiler(decl)) { -+ orig_next_node = create_orig_next_node_for_a_clone(decl, num, marked); -+ if (!orig_next_node) -+ return NULL; -+ } -+ -+ cur_next_cnode = create_new_next_interesting_decl(decl, decl_name, num, marked, orig_next_node); -+ if (!cur_next_cnode) -+ return NULL; -+ -+ add_to_global_next_interesting_function(cur_next_cnode); -+out: -+ if (cur_next_cnode->marked != marked && cur_next_cnode->marked == YES_SO_MARK) -+ return cur_next_cnode; -+ gcc_assert(cur_next_cnode->marked == marked); -+ return cur_next_cnode; -+} -+ -+static bool has_next_interesting_function_chain_node(next_interesting_function_t next_cnodes_head, const_tree decl, unsigned int num) -+{ -+ next_interesting_function_t cur_node; -+ const char *context, *decl_name; -+ -+ decl_name = DECL_NAME_POINTER(decl); -+ context = get_decl_context(decl); -+ for (cur_node = next_cnodes_head; cur_node; cur_node = cur_node->next) { -+ if (compare_next_interesting_functions(cur_node, decl_name, context, num)) -+ return true; -+ } -+ return false; -+} -+ -+static next_interesting_function_t handle_function(next_interesting_function_t next_cnodes_head, tree fndecl, const_tree arg) -+{ -+ unsigned int num; -+ next_interesting_function_t orig_next_node, new_node; -+ -+ gcc_assert(fndecl != NULL_TREE); -+ -+ // ignore builtins to not explode coverage (e.g., memcpy) -+ if (DECL_BUILT_IN(fndecl)) -+ return next_cnodes_head; -+ -+ // convert arg into its position -+ if (arg == NULL_TREE) -+ num = 0; -+ else -+ num = find_arg_number_tree(arg, fndecl); -+ if (num == CANNOT_FIND_ARG) -+ return next_cnodes_head; -+ -+ if (has_next_interesting_function_chain_node(next_cnodes_head, fndecl, num)) -+ return next_cnodes_head; -+ -+ if (made_by_compiler(fndecl)) { -+ orig_next_node = create_orig_next_node_for_a_clone(fndecl, num, NO_SO_MARK); -+ if (!orig_next_node) -+ return next_cnodes_head; -+ } else -+ orig_next_node = NULL; -+ new_node = create_new_next_interesting_decl(fndecl, DECL_NAME_POINTER(fndecl), num, NO_SO_MARK, orig_next_node); -+ if (!new_node) -+ return next_cnodes_head; -+ new_node->next = next_cnodes_head; -+ return new_node; -+} -+ -+static next_interesting_function_t walk_use_def_next_functions_phi(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree result) -+{ -+ gphi *phi = as_a_gphi(get_def_stmt(result)); -+ unsigned int i, n = gimple_phi_num_args(phi); -+ -+ pointer_set_insert(visited, phi); -+ for (i = 0; i < n; i++) { -+ tree arg = gimple_phi_arg_def(phi, i); -+ -+ next_cnodes_head = walk_use_def_next_functions(visited, next_cnodes_head, arg); -+ } -+ -+ return next_cnodes_head; -+} -+ -+static next_interesting_function_t walk_use_def_next_functions_binary(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs) -+{ -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree rhs1, rhs2; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ next_cnodes_head = walk_use_def_next_functions(visited, next_cnodes_head, rhs1); -+ return walk_use_def_next_functions(visited, next_cnodes_head, rhs2); -+} -+ -+next_interesting_function_t __attribute__((weak)) handle_function_ptr_ret(gimple_set *visited __unused, next_interesting_function_t next_cnodes_head, const_tree fn_ptr __unused) -+{ -+ return next_cnodes_head; -+} -+ -+/* Find all functions that influence lhs -+ * -+ * Encountered functions are added to the children vector (next_interesting_function_t). -+ */ -+static next_interesting_function_t walk_use_def_next_functions(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs) -+{ -+ const_gimple def_stmt; -+ -+ if (skip_types(lhs)) -+ return next_cnodes_head; -+ -+ if (TREE_CODE(lhs) == PARM_DECL) -+ return handle_function(next_cnodes_head, current_function_decl, lhs); -+ -+ if (TREE_CODE(lhs) != SSA_NAME) -+ return next_cnodes_head; -+ -+ def_stmt = get_def_stmt(lhs); -+ if (!def_stmt) -+ return next_cnodes_head; -+ -+ if (pointer_set_insert(visited, def_stmt)) -+ return next_cnodes_head; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_NOP: -+ return walk_use_def_next_functions(visited, next_cnodes_head, SSA_NAME_VAR(lhs)); -+ case GIMPLE_ASM: -+ if (is_size_overflow_asm(def_stmt)) -+ return walk_use_def_next_functions(visited, next_cnodes_head, get_size_overflow_asm_input(as_a_const_gasm(def_stmt))); -+ return next_cnodes_head; -+ case GIMPLE_CALL: { -+ tree fndecl = gimple_call_fndecl(def_stmt); -+ -+ if (fndecl != NULL_TREE) -+ return handle_function(next_cnodes_head, fndecl, NULL_TREE); -+ fndecl = gimple_call_fn(def_stmt); -+ return handle_function_ptr_ret(visited, next_cnodes_head, fndecl); -+ } -+ case GIMPLE_PHI: -+ return walk_use_def_next_functions_phi(visited, next_cnodes_head, lhs); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return walk_use_def_next_functions(visited, next_cnodes_head, gimple_assign_rhs1(def_stmt)); -+ case 3: -+ return walk_use_def_next_functions_binary(visited, next_cnodes_head, lhs); -+ } -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+// Start the search for next_interesting_function_t children based on the (next_interesting_function_t) parent node -+static next_interesting_function_t search_next_functions(const_tree node) -+{ -+ gimple_set *visited; -+ next_interesting_function_t next_cnodes_head; -+ -+ visited = pointer_set_create(); -+ next_cnodes_head = walk_use_def_next_functions(visited, NULL, node); -+ pointer_set_destroy(visited); -+ -+ return next_cnodes_head; -+} -+ -+// True if child already exists in the next_interesting_function_t children vector -+bool has_next_interesting_function_vec(next_interesting_function_t target, next_interesting_function_t next_node) -+{ -+ unsigned int i; -+ next_interesting_function_t cur; -+ -+ gcc_assert(next_node); -+ // handle recursion -+ if (!strcmp(target->decl_name, next_node->decl_name) && target->num == next_node->num) -+ return true; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, target->children)) -+ return false; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, target->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(target->children, i, cur) { -+#endif -+ if (compare_next_interesting_functions(cur, next_node->decl_name, next_node->context, next_node->num)) -+ return true; -+ } -+ return false; -+} -+ -+void push_child(next_interesting_function_t parent, next_interesting_function_t child) -+{ -+ if (!has_next_interesting_function_vec(parent, child)) { -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(next_interesting_function_t, heap, parent->children, child); -+#else -+ vec_safe_push(parent->children, child); -+#endif -+ } -+} -+ -+void __attribute__((weak)) check_local_variables(next_interesting_function_t next_node __unused) {} -+ -+// Add children to parent and global_next_interesting_function -+static void collect_data_for_execute(next_interesting_function_t parent, next_interesting_function_t children) -+{ -+ next_interesting_function_t cur = children; -+ -+ gcc_assert(parent); -+ -+ while (cur) { -+ next_interesting_function_t next, child; -+ -+ next = cur->next; -+ -+ child = get_global_next_interesting_function_entry(cur->decl_name, cur->context, cur->hash, cur->num, NO_SO_MARK); -+ if (!child) { -+ add_to_global_next_interesting_function(cur); -+ child = cur; -+ } -+ -+ check_local_variables(child); -+ -+ push_child(parent, child); -+ -+ cur = next; -+ } -+ -+ check_local_variables(parent); -+} -+ -+next_interesting_function_t __attribute__((weak)) get_and_create_next_node_from_global_next_nodes_fnptr(const_tree fn_ptr __unused, unsigned int num __unused, enum size_overflow_mark marked __unused) -+{ -+ return NULL; -+} -+ -+static next_interesting_function_t create_parent_next_cnode(const_gimple stmt, unsigned int num) -+{ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ return get_and_create_next_node_from_global_next_nodes(current_function_decl, num, ASM_STMT_SO_MARK, NULL); -+ case GIMPLE_CALL: { -+ tree decl = gimple_call_fndecl(stmt); -+ -+ if (decl != NULL_TREE) -+ return get_and_create_next_node_from_global_next_nodes(decl, num, NO_SO_MARK, NULL); -+ decl = gimple_call_fn(stmt); -+ return get_and_create_next_node_from_global_next_nodes_fnptr(decl, num, NO_SO_MARK); -+ } -+ case GIMPLE_RETURN: -+ return get_and_create_next_node_from_global_next_nodes(current_function_decl, num, NO_SO_MARK, NULL); -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+} -+ -+// Handle potential next_interesting_function_t parent if its argument has an integer type -+static void collect_all_possible_size_overflow_fns(const_gimple stmt, unsigned int num) -+{ -+ const_tree start_var; -+ next_interesting_function_t children_next_cnode, parent_next_cnode; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ if (!is_size_overflow_insert_check_asm(as_a_const_gasm(stmt))) -+ return; -+ start_var = get_size_overflow_asm_input(as_a_const_gasm(stmt)); -+ gcc_assert(start_var != NULL_TREE); -+ break; -+ case GIMPLE_CALL: -+ start_var = gimple_call_arg(stmt, num - 1); -+ break; -+ case GIMPLE_RETURN: -+ start_var = gimple_return_retval(as_a_const_greturn(stmt)); -+ if (start_var == NULL_TREE) -+ return; -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ if (skip_types(start_var)) -+ return; -+ -+ // handle intentional MARK_TURN_OFF -+ if (check_intentional_asm(stmt, num) == MARK_TURN_OFF) -+ return; -+ -+ parent_next_cnode = create_parent_next_cnode(stmt, num); -+ if (!parent_next_cnode) -+ return; -+ -+ children_next_cnode = search_next_functions(start_var); -+ collect_data_for_execute(parent_next_cnode, children_next_cnode); -+} -+ -+// Find potential next_interesting_function_t parents -+static void handle_cgraph_node(struct cgraph_node *node) -+{ -+ basic_block bb; -+ tree cur_fndecl = NODE_DECL(node); -+ -+ set_current_function_decl(cur_fndecl); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ case GIMPLE_ASM: -+ collect_all_possible_size_overflow_fns(stmt, 0); -+ break; -+ case GIMPLE_CALL: { -+ unsigned int i, len; -+ tree fndecl = gimple_call_fndecl(stmt); -+ -+ if (fndecl != NULL_TREE && DECL_BUILT_IN(fndecl)) -+ break; -+ -+ len = gimple_call_num_args(stmt); -+ for (i = 0; i < len; i++) -+ collect_all_possible_size_overflow_fns(stmt, i + 1); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ } -+ -+ unset_current_function_decl(); -+} -+ -+/* Collect all potentially interesting function parameters and return values of integer types -+ * and store their data flow dependencies -+ */ -+static void size_overflow_generate_summary(void) -+{ -+ struct cgraph_node *node; -+ -+ size_overflow_register_hooks(); -+ -+ FOR_EACH_FUNCTION(node) { -+ if (is_valid_cgraph_node(node)) -+ handle_cgraph_node(node); -+ } -+} -+ -+static void size_overflow_function_insertion_hook(struct cgraph_node *node __unused, void *data __unused) -+{ -+ debug_cgraph_node(node); -+ gcc_unreachable(); -+} -+ -+/* Handle dst if src is in the global_next_interesting_function list. -+ * If src is a clone then dst inherits the orig_next_node of src otherwise -+ * src will become the orig_next_node of dst. -+ */ -+static void size_overflow_node_duplication_hook(struct cgraph_node *src, struct cgraph_node *dst, void *data __unused) -+{ -+ next_interesting_function_t head, cur; -+ const_tree decl; -+ const char *src_name, *src_context; -+ -+ decl = NODE_DECL(src); -+ src_name = DECL_NAME_POINTER(decl); -+ src_context = get_decl_context(decl); -+ -+ head = get_global_next_interesting_function_entry_with_hash(decl, src_name, NONE_ARGNUM, NO_SO_MARK); -+ if (!head) -+ return; -+ -+ for (cur = head; cur; cur = cur->next) { -+ unsigned int new_argnum; -+ next_interesting_function_t orig_next_node, next_node; -+ bool dst_clone; -+ -+ if (!compare_next_interesting_functions(cur, src_name, src_context, CANNOT_FIND_ARG)) -+ continue; -+ -+ dst_clone = made_by_compiler(NODE_DECL(dst)); -+ if (!dst_clone) -+ break; -+ -+ // For clones use the original node instead -+ if (cur->orig_next_node) -+ orig_next_node = cur->orig_next_node; -+ else -+ orig_next_node = cur; -+ -+ new_argnum = get_correct_argnum_fndecl(NODE_DECL(src), NODE_DECL(dst), cur->num); -+ if (new_argnum == CANNOT_FIND_ARG) -+ continue; -+ -+ next_node = create_new_next_interesting_decl(NODE_DECL(dst), cgraph_node_name(dst), new_argnum, cur->marked, orig_next_node); -+ if (next_node) -+ add_to_global_next_interesting_function(next_node); -+ } -+} -+ -+void size_overflow_register_hooks(void) -+{ -+ static bool init_p = false; -+ -+ if (init_p) -+ return; -+ init_p = true; -+ -+ function_insertion_hook_holder = cgraph_add_function_insertion_hook(&size_overflow_function_insertion_hook, NULL); -+ node_duplication_hook_holder = cgraph_add_node_duplication_hook(&size_overflow_node_duplication_hook, NULL); -+} -+ -+static void set_yes_so_mark(next_interesting_function_t next_node) -+{ -+ next_node->marked = YES_SO_MARK; -+ // Mark the orig decl as well if it's a clone -+ if (next_node->orig_next_node) -+ next_node->orig_next_node->marked = YES_SO_MARK; -+} -+ -+// Determine if the function is already in the hash table -+static bool is_marked_fn(next_interesting_function_t next_node) -+{ -+ const struct size_overflow_hash *entry; -+ -+ if (next_node->marked != NO_SO_MARK) -+ return true; -+ -+ if (next_node->orig_next_node) -+ entry = get_size_overflow_hash_entry(next_node->orig_next_node->hash, next_node->orig_next_node->decl_name, next_node->orig_next_node->num); -+ else -+ entry = get_size_overflow_hash_entry(next_node->hash, next_node->decl_name, next_node->num); -+ if (!entry) -+ return false; -+ -+ set_yes_so_mark(next_node); -+ return true; -+} -+ -+// Determine if any of the function pointer targets have data flow between the return value and one of the arguments -+static next_interesting_function_t get_same_not_ret_child(next_interesting_function_t parent) -+{ -+ unsigned int i; -+ next_interesting_function_t child; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return NULL; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ if (child->num == 0) -+ continue; -+ if (strcmp(parent->decl_name, child->decl_name)) -+ continue; -+ if (!strcmp(child->context, "fndecl")) -+ return child; -+ } -+ return NULL; -+} -+ -+/* Trace a return value of function pointer type back to an argument via a concrete function -+ fnptr 0 && fn 0 && (fn 0 -> fn 2) => fnptr 2 */ -+static void search_missing_fptr_arg(next_interesting_function_t parent) -+{ -+ next_interesting_function_t tracked_fn, cur_next_node, child; -+ unsigned int i; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(next_interesting_function_t, heap) *new_children = NULL; -+#else -+ vec<next_interesting_function_t, va_heap, vl_embed> *new_children = NULL; -+#endif -+ -+ if (parent->num != 0) -+ return; -+ if (!strcmp(parent->context, "fndecl")) -+ return; -+ if (!strcmp(parent->context, "vardecl")) -+ return; -+ -+ // fnptr 0 && fn 0 -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ if (child->num != 0) -+ continue; -+ // (fn 0 -> fn 2) -+ tracked_fn = get_same_not_ret_child(child); -+ if (!tracked_fn) -+ continue; -+ -+ // fn 2 => fnptr 2 -+ for (cur_next_node = global_next_interesting_function[parent->hash]; cur_next_node; cur_next_node = cur_next_node->next) { -+ if (cur_next_node->num != tracked_fn->num) -+ continue; -+ if (strcmp(parent->decl_name, cur_next_node->decl_name)) -+ continue; -+ if (!has_next_interesting_function_vec(parent, cur_next_node)) { -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(next_interesting_function_t, heap, new_children, cur_next_node); -+#else -+ vec_safe_push(new_children, cur_next_node); -+#endif -+ } -+ } -+ } -+ -+#if BUILDING_GCC_VERSION == 4005 -+ if (VEC_empty(next_interesting_function_t, new_children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, new_children, i, child) -+ VEC_safe_push(next_interesting_function_t, heap, parent->children, child); -+#elif BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_splice(next_interesting_function_t, heap, parent->children, new_children); -+#else -+ vec_safe_splice(parent->children, new_children); -+#endif -+} -+ -+// Do a depth-first recursive dump of the next_interesting_function_t children vector -+static void print_missing_functions(next_interesting_function_set *visited, next_interesting_function_t parent) -+{ -+ unsigned int i; -+ next_interesting_function_t child; -+ -+ gcc_assert(parent); -+ check_global_variables(parent); -+ search_missing_fptr_arg(parent); -+ print_missing_function(parent); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ // Since the parent is a marked function we will set YES_SO_MARK on the children to transform them as well -+ child->marked = YES_SO_MARK; -+ if (!pointer_set_insert(visited, child)) -+ print_missing_functions(visited, child); -+ } -+} -+ -+void __attribute__((weak)) check_global_variables(next_interesting_function_t cur_global __unused) {} -+ -+// Print all missing interesting functions -+static unsigned int size_overflow_execute(void) -+{ -+ unsigned int i; -+ next_interesting_function_set *visited; -+ next_interesting_function_t cur_global; -+ -+ visited = next_interesting_function_pointer_set_create(); -+ -+ for (i = 0; i < GLOBAL_NIFN_LEN; i++) { -+ for (cur_global = global_next_interesting_function[i]; cur_global; cur_global = cur_global->next) { -+ if (is_marked_fn(cur_global)) -+ print_missing_functions(visited, cur_global); -+ } -+ } -+ -+ pointer_set_destroy(visited); -+ -+/* if (in_lto_p) { -+ fprintf(stderr, "%s: SIZE_OVERFLOW EXECUTE\n", __func__); -+ print_global_next_interesting_functions(); -+ }*/ -+ -+ return 0; -+} -+ -+// Omit the IPA/LTO callbacks until https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61311 gets fixed (license concerns) -+#if BUILDING_GCC_VERSION >= 4008 -+void __attribute__((weak)) size_overflow_write_summary_lto(void) {} -+#elif BUILDING_GCC_VERSION >= 4006 -+void __attribute__((weak)) size_overflow_write_summary_lto(cgraph_node_set set __unused, varpool_node_set vset __unused) {} -+#else -+void __attribute__((weak)) size_overflow_write_summary_lto(cgraph_node_set set __unused) {} -+#endif -+ -+void __attribute__((weak)) size_overflow_read_summary_lto(void) {} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data size_overflow_functions_pass_data = { -+#else -+static struct ipa_opt_pass_d size_overflow_functions_pass = { -+ .pass = { -+#endif -+ .type = IPA_PASS, -+ .name = "size_overflow_functions", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = size_overflow_execute, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0, -+#if BUILDING_GCC_VERSION < 4009 -+ }, -+ .generate_summary = size_overflow_generate_summary, -+ .write_summary = size_overflow_write_summary_lto, -+ .read_summary = size_overflow_read_summary_lto, -+#if BUILDING_GCC_VERSION >= 4006 -+ .write_optimization_summary = size_overflow_write_summary_lto, -+ .read_optimization_summary = size_overflow_read_summary_lto, -+#endif -+ .stmt_fixup = NULL, -+ .function_transform_todo_flags_start = 0, -+ .function_transform = size_overflow_transform, -+ .variable_transform = NULL, -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class size_overflow_functions_pass : public ipa_opt_pass_d { -+public: -+ size_overflow_functions_pass() : ipa_opt_pass_d(size_overflow_functions_pass_data, -+ g, -+ size_overflow_generate_summary, -+ size_overflow_write_summary_lto, -+ size_overflow_read_summary_lto, -+ size_overflow_write_summary_lto, -+ size_overflow_read_summary_lto, -+ NULL, -+ 0, -+ size_overflow_transform, -+ NULL) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return size_overflow_execute(); } -+#else -+ unsigned int execute() { return size_overflow_execute(); } -+#endif -+}; -+} -+ -+opt_pass *make_size_overflow_functions_pass(void) -+{ -+ return new size_overflow_functions_pass(); -+} -+#else -+struct opt_pass *make_size_overflow_functions_pass(void) -+{ -+ return &size_overflow_functions_pass.pass; -+} -+#endif -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c -new file mode 100644 -index 0000000..d7f4062 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c -@@ -0,0 +1,256 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+int plugin_is_GPL_compatible; -+ -+tree report_size_overflow_decl; -+ -+tree size_overflow_type_HI; -+tree size_overflow_type_SI; -+tree size_overflow_type_DI; -+tree size_overflow_type_TI; -+ -+static struct plugin_info size_overflow_plugin_info = { -+ .version = "20150614", -+ .help = "no-size-overflow\tturn off size overflow checking\n", -+}; -+ -+static tree handle_size_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ unsigned int arg_count; -+ enum tree_code code = TREE_CODE(*node); -+ -+ switch (code) { -+ case FUNCTION_DECL: -+ arg_count = type_num_arguments(TREE_TYPE(*node)); -+ break; -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ arg_count = type_num_arguments(*node); -+ break; -+ default: -+ *no_add_attrs = true; -+ error("%s: %qE attribute only applies to functions", __func__, name); -+ return NULL_TREE; -+ } -+ -+ for (; args; args = TREE_CHAIN(args)) { -+ int cur_val; -+ tree position = TREE_VALUE(args); -+ -+ if (TREE_CODE(position) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(args); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ -+ cur_val = tree_to_shwi(position); -+ if (cur_val < 0 || arg_count < (unsigned int)cur_val) { -+ error("%s: parameter %d is outside range.", __func__, cur_val); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ } -+ return NULL_TREE; -+} -+ -+static tree handle_intentional_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ unsigned int arg_count; -+ HOST_WIDE_INT s_first_arg; -+ enum tree_code code = TREE_CODE(*node); -+ -+ switch (code) { -+ case FUNCTION_DECL: -+ arg_count = type_num_arguments(TREE_TYPE(*node)); -+ break; -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ arg_count = type_num_arguments(*node); -+ break; -+ case FIELD_DECL: -+ return NULL_TREE; -+ default: -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions", name); -+ return NULL_TREE; -+ } -+ -+ s_first_arg = tree_to_shwi(TREE_VALUE(args)); -+ if (s_first_arg == -1) -+ return NULL_TREE; -+ if (s_first_arg < -1) -+ error("%s: parameter %d is outside range.", __func__, (int)s_first_arg); -+ -+ for (; args; args = TREE_CHAIN(args)) { -+ unsigned int cur_val; -+ -+ if (TREE_CODE(TREE_VALUE(args)) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(args); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ -+ cur_val = (unsigned int)tree_to_uhwi(TREE_VALUE(args)); -+ if (cur_val > arg_count ) { -+ error("%s: parameter %u is outside range. (arg_count: %u)", __func__, cur_val, arg_count); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ } -+ return NULL_TREE; -+} -+ -+static struct attribute_spec size_overflow_attr = { -+ .name = "size_overflow", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_size_overflow_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static struct attribute_spec intentional_overflow_attr = { -+ .name = "intentional_overflow", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_intentional_overflow_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void __unused *event_data, void __unused *data) -+{ -+ register_attribute(&size_overflow_attr); -+ register_attribute(&intentional_overflow_attr); -+} -+ -+static tree create_typedef(tree type, const char* ident) -+{ -+ tree new_type, decl; -+ -+ new_type = build_variant_type_copy(type); -+ decl = build_decl(BUILTINS_LOCATION, TYPE_DECL, get_identifier(ident), new_type); -+ DECL_ORIGINAL_TYPE(decl) = type; -+ TYPE_NAME(new_type) = decl; -+ return new_type; -+} -+ -+// Create the noreturn report_size_overflow() function decl. -+static void size_overflow_start_unit(void __unused *gcc_data, void __unused *user_data) -+{ -+ tree const_char_ptr_type_node; -+ tree fntype; -+ -+ const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0)); -+ -+ size_overflow_type_HI = create_typedef(intHI_type_node, "size_overflow_type_HI"); -+ size_overflow_type_SI = create_typedef(intSI_type_node, "size_overflow_type_SI"); -+ size_overflow_type_DI = create_typedef(intDI_type_node, "size_overflow_type_DI"); -+ size_overflow_type_TI = create_typedef(intTI_type_node, "size_overflow_type_TI"); -+ -+ // void report_size_overflow(const char *loc_file, unsigned int loc_line, const char *current_func, const char *ssa_var) -+ fntype = build_function_type_list(void_type_node, -+ const_char_ptr_type_node, -+ unsigned_type_node, -+ const_char_ptr_type_node, -+ const_char_ptr_type_node, -+ NULL_TREE); -+ report_size_overflow_decl = build_fn_decl("report_size_overflow", fntype); -+ -+ DECL_ASSEMBLER_NAME(report_size_overflow_decl); -+ TREE_PUBLIC(report_size_overflow_decl) = 1; -+ DECL_EXTERNAL(report_size_overflow_decl) = 1; -+ DECL_ARTIFICIAL(report_size_overflow_decl) = 1; -+ TREE_THIS_VOLATILE(report_size_overflow_decl) = 1; -+// !!! -+ DECL_PRESERVE_P(report_size_overflow_decl) = 1; -+ DECL_UNINLINABLE(report_size_overflow_decl) = 1; -+ TREE_USED(report_size_overflow_decl) = 1; -+ TREE_NOTHROW(report_size_overflow_decl) = 1; -+} -+ -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ struct register_pass_info insert_size_overflow_asm_pass_info; -+ struct register_pass_info size_overflow_functions_pass_info; -+ -+ static const struct ggc_root_tab gt_ggc_r_gt_size_overflow[] = { -+ { -+ .base = &report_size_overflow_decl, -+ .nelt = 1, -+ .stride = sizeof(report_size_overflow_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ insert_size_overflow_asm_pass_info.pass = make_insert_size_overflow_asm_pass(); -+ insert_size_overflow_asm_pass_info.reference_pass_name = "ssa"; -+ insert_size_overflow_asm_pass_info.ref_pass_instance_number = 1; -+ insert_size_overflow_asm_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ size_overflow_functions_pass_info.pass = make_size_overflow_functions_pass(); -+ size_overflow_functions_pass_info.reference_pass_name = "inline"; -+ size_overflow_functions_pass_info.ref_pass_instance_number = 1; -+ size_overflow_functions_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "no-size-overflow")) { -+ enable = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &size_overflow_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_START_UNIT, &size_overflow_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_size_overflow); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &insert_size_overflow_asm_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &size_overflow_functions_pass_info); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c -new file mode 100644 -index 0000000..1d9ddb6 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c -@@ -0,0 +1,345 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+#include "size_overflow_hash.h" -+#include "size_overflow_hash_aux.h" -+ -+static const_tree get_function_type(const_tree decl) -+{ -+ if (FUNCTION_PTR_P(decl)) -+ return TREE_TYPE(TREE_TYPE(decl)); -+ gcc_assert(TREE_CODE(decl) == FUNCTION_DECL); -+ return TREE_TYPE(decl); -+} -+ -+static unsigned char get_tree_code(const_tree type) -+{ -+ switch (TREE_CODE(type)) { -+ case ARRAY_TYPE: -+ return 0; -+ case BOOLEAN_TYPE: -+ return 1; -+ case ENUMERAL_TYPE: -+ return 2; -+ case FUNCTION_TYPE: -+ return 3; -+ case INTEGER_TYPE: -+ return 4; -+ case POINTER_TYPE: -+ return 5; -+ case RECORD_TYPE: -+ return 6; -+ case UNION_TYPE: -+ return 7; -+ case VOID_TYPE: -+ return 8; -+ case REAL_TYPE: -+ return 9; -+ case VECTOR_TYPE: -+ return 10; -+ case REFERENCE_TYPE: -+ return 11; -+ case OFFSET_TYPE: -+ return 12; -+ case COMPLEX_TYPE: -+ return 13; -+ default: -+ debug_tree((tree)type); -+ gcc_unreachable(); -+ } -+} -+ -+// http://www.team5150.com/~andrew/noncryptohashzoo2~/CrapWow.html -+static unsigned int CrapWow(const char *key, unsigned int len, unsigned int seed) -+{ -+#define cwfold( a, b, lo, hi ) { p = (unsigned int)(a) * (unsigned long long)(b); lo ^= (unsigned int)p; hi ^= (unsigned int)(p >> 32); } -+#define cwmixa( in ) { cwfold( in, m, k, h ); } -+#define cwmixb( in ) { cwfold( in, n, h, k ); } -+ -+ unsigned int m = 0x57559429; -+ unsigned int n = 0x5052acdb; -+ const unsigned int *key4 = (const unsigned int *)key; -+ unsigned int h = len; -+ unsigned int k = len + seed + n; -+ unsigned long long p; -+ -+ while (len >= 8) { -+ cwmixb(key4[0]) cwmixa(key4[1]) key4 += 2; -+ len -= 8; -+ } -+ if (len >= 4) { -+ cwmixb(key4[0]) key4 += 1; -+ len -= 4; -+ } -+ if (len) -+ cwmixa(key4[0] & ((1 << (len * 8)) - 1 )); -+ cwmixb(h ^ (k + n)); -+ return k ^ h; -+ -+#undef cwfold -+#undef cwmixa -+#undef cwmixb -+} -+ -+// For function pointer fields include the structure name in the hash -+static unsigned int get_type_name_hash(const_tree decl) -+{ -+ const char *type_str; -+ unsigned int type_name_len; -+ -+ if (!FUNCTION_PTR_P(decl)) -+ return 0; -+ if (TREE_CODE(decl) == VAR_DECL) -+ return 0; -+ -+ gcc_assert(TREE_CODE(decl) == FIELD_DECL); -+ type_str = get_type_name_from_field(decl); -+ if (!type_str) -+ return 0; -+ type_name_len = strlen(type_str); -+ return CrapWow(type_str, type_name_len, 0) & 0xffff; -+} -+ -+static void set_hash(struct decl_hash *decl_hash_data) -+{ -+ unsigned int fn, type, codes, seed = 0; -+ -+ fn = CrapWow(decl_hash_data->fn_name, strlen(decl_hash_data->fn_name), seed) & 0xffff; -+ codes = CrapWow((const char*)decl_hash_data->tree_codes, decl_hash_data->tree_codes_len, seed) & 0xffff; -+ type = get_type_name_hash(decl_hash_data->decl); -+ decl_hash_data->hash = type ^ fn ^ codes; -+} -+ -+static void set_decl_type_codes(const_tree type, struct decl_hash *decl_hash_data) -+{ -+ gcc_assert(type != NULL_TREE); -+ gcc_assert(TREE_CODE_CLASS(TREE_CODE(type)) == tcc_type); -+ -+ while (type && decl_hash_data->tree_codes_len < CODES_LIMIT) { -+ decl_hash_data->tree_codes[decl_hash_data->tree_codes_len] = get_tree_code(type); -+ decl_hash_data->tree_codes_len++; -+ type = TREE_TYPE(type); -+ } -+} -+ -+static void set_result_codes(const_tree node, struct decl_hash *decl_hash_data) -+{ -+ const_tree result; -+ -+ gcc_assert(node != NULL_TREE); -+ -+ if (DECL_P(node)) { -+ result = DECL_RESULT(node); -+ if (result != NULL_TREE) -+ return set_decl_type_codes(TREE_TYPE(result), decl_hash_data); -+ return set_result_codes(TREE_TYPE(node), decl_hash_data); -+ } -+ -+ gcc_assert(TYPE_P(node)); -+ -+ if (TREE_CODE(node) == FUNCTION_TYPE) -+ return set_result_codes(TREE_TYPE(node), decl_hash_data); -+ -+ return set_decl_type_codes(node, decl_hash_data); -+} -+ -+static void set_decl_codes(struct decl_hash *decl_hash_data) -+{ -+ const_tree arg, type; -+ enum tree_code code; -+ -+ if (TREE_CODE(decl_hash_data->decl) == VAR_DECL) { -+ set_decl_type_codes(TREE_TYPE(decl_hash_data->decl), decl_hash_data); -+ return; -+ } -+ -+ type = get_function_type(decl_hash_data->decl); -+ code = TREE_CODE(type); -+ gcc_assert(code == FUNCTION_TYPE || code == METHOD_TYPE); -+ -+ if (FUNCTION_PTR_P(decl_hash_data->decl)) -+ set_result_codes(type, decl_hash_data); -+ else -+ set_result_codes(decl_hash_data->decl, decl_hash_data); -+ -+ for (arg = TYPE_ARG_TYPES(type); arg != NULL_TREE && decl_hash_data->tree_codes_len < CODES_LIMIT; arg = TREE_CHAIN(arg)) -+ set_decl_type_codes(TREE_VALUE(arg), decl_hash_data); -+} -+ -+static const struct size_overflow_hash *get_proper_hash_chain(const struct size_overflow_hash *entry, const char *func_name) -+{ -+ while (entry) { -+ if (!strcmp(entry->name, func_name)) -+ return entry; -+ entry = entry->next; -+ } -+ return NULL; -+} -+ -+unsigned int get_decl_hash(const_tree decl, const char *decl_name) -+{ -+ struct decl_hash decl_hash_data; -+ enum tree_code code = TREE_CODE(decl); -+ -+ gcc_assert(code == FIELD_DECL || code == FUNCTION_DECL || code == VAR_DECL); -+ -+ // skip builtins __builtin_constant_p -+ if (code == FUNCTION_DECL && DECL_BUILT_IN(decl)) -+ return NO_HASH; -+ -+ decl_hash_data.fn_name = decl_name; -+ decl_hash_data.decl = decl; -+ decl_hash_data.tree_codes_len = 0; -+ -+ set_decl_codes(&decl_hash_data); -+ gcc_assert(decl_hash_data.tree_codes_len != 0); -+ set_hash(&decl_hash_data); -+ return decl_hash_data.hash; -+} -+ -+const char *get_orig_decl_name(const_tree decl) -+{ -+ const char *name; -+ unsigned int len; -+ const void *end; -+ const_tree orig_decl = DECL_ORIGIN(decl); -+ -+ len = DECL_NAME_LENGTH(orig_decl); -+ name = DECL_NAME_POINTER(orig_decl); -+ -+ /* Sometimes gcc loses the original cgraph node leaving only clones behind. -+ * In such cases we will extract the name from the clone and use it in the hash table -+ * without checking the parameter number on the original (unavailable) decl. -+ */ -+ -+ if (made_by_compiler(orig_decl)) { -+ end = memchr(name, '.', len); -+ gcc_assert(end); -+ len = (long)end - (long)name; -+ gcc_assert(len > 0); -+ } -+ -+ return xstrndup(name, len); -+} -+ -+const struct size_overflow_hash *get_size_overflow_hash_entry(unsigned int hash, const char *decl_name, unsigned int argnum) -+{ -+ const struct size_overflow_hash *entry, *entry_node; -+ -+ entry = size_overflow_hash[hash]; -+ entry_node = get_proper_hash_chain(entry, decl_name); -+ if (entry_node && entry_node->param & (1U << argnum)) -+ return entry_node; -+ -+ entry = size_overflow_hash_aux[hash]; -+ entry_node = get_proper_hash_chain(entry, decl_name); -+ if (entry_node && entry_node->param & (1U << argnum)) -+ return entry_node; -+ -+ return NULL; -+} -+ -+const struct size_overflow_hash *get_size_overflow_hash_entry_tree(const_tree fndecl, unsigned int argnum) -+{ -+ const struct size_overflow_hash *entry; -+ const_tree orig_decl; -+ unsigned int orig_argnum, hash; -+ const char *decl_name; -+ -+ if (made_by_compiler(fndecl)) { -+ orig_decl = get_orig_fndecl(fndecl); -+ orig_argnum = get_correct_argnum(fndecl, orig_decl, argnum); -+ } else { -+ orig_decl = fndecl; -+ orig_argnum = argnum; -+ } -+ -+ if (orig_argnum == CANNOT_FIND_ARG) -+ return NULL; -+ -+ decl_name = get_orig_decl_name(orig_decl); -+ hash = get_decl_hash(orig_decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ entry = get_size_overflow_hash_entry(hash, decl_name, orig_argnum); -+ return entry; -+} -+ -+unsigned int find_arg_number_tree(const_tree arg, const_tree func) -+{ -+ tree var; -+ unsigned int argnum = 1; -+ -+ if (DECL_ARGUMENTS(func) == NULL_TREE) -+ return CANNOT_FIND_ARG; -+ -+ if (TREE_CODE(arg) == SSA_NAME) -+ arg = SSA_NAME_VAR(arg); -+ -+ for (var = DECL_ARGUMENTS(func); var; var = TREE_CHAIN(var), argnum++) { -+ if (!operand_equal_p(arg, var, 0) && strcmp(DECL_NAME_POINTER(var), DECL_NAME_POINTER(arg))) -+ continue; -+ if (!skip_types(var)) -+ return argnum; -+ } -+ -+ return CANNOT_FIND_ARG; -+} -+ -+const_tree get_attribute(const char* attr_name, const_tree decl) -+{ -+ const_tree attr = lookup_attribute(attr_name, DECL_ATTRIBUTES(decl)); -+ if (attr && TREE_VALUE(attr)) -+ return attr; -+ return NULL_TREE; -+} -+ -+/* Check if the function has a size_overflow attribute or it is in the size_overflow hash table. -+ * If the function is missing everywhere then print the missing message into stderr. -+ */ -+void print_missing_function(next_interesting_function_t node) -+{ -+ unsigned int argnum, hash; -+ const struct size_overflow_hash *entry; -+ const char *decl_name; -+ -+ if (node->marked == ASM_STMT_SO_MARK) -+ return; -+ -+ if (node->orig_next_node) { -+ hash = node->orig_next_node->hash; -+ decl_name = node->orig_next_node->decl_name; -+ argnum = node->orig_next_node->num; -+ } else { -+ hash = node->hash; -+ decl_name = node->decl_name; -+ argnum = node->num; -+ } -+ -+ entry = get_size_overflow_hash_entry(hash, decl_name, argnum); -+ if (entry) -+ return; -+ -+ // inform() would be too slow -+ fprintf(stderr, "Function %s is missing from the size_overflow hash table +%s+%u+%u+\n", decl_name, decl_name, argnum, hash); -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_transform.c b/tools/gcc/size_overflow_plugin/size_overflow_transform.c -new file mode 100644 -index 0000000..549decf ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_transform.c -@@ -0,0 +1,433 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static tree cast_to_orig_type(struct visited *visited, gimple stmt, const_tree orig_node, tree new_node) -+{ -+ const_gimple assign; -+ tree orig_type = TREE_TYPE(orig_node); -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ assign = build_cast_stmt(visited, orig_type, new_node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ return get_lhs(assign); -+} -+ -+static void change_size_overflow_asm_input(gasm *stmt, tree new_input) -+{ -+ tree list; -+ -+ gcc_assert(is_size_overflow_insert_check_asm(stmt)); -+ -+ list = build_tree_list(NULL_TREE, build_string(3, "rm")); -+ list = chainon(NULL_TREE, build_tree_list(list, new_input)); -+ gimple_asm_set_input_op(stmt, 0, list); -+} -+ -+static void change_orig_node(struct visited *visited, gimple stmt, const_tree orig_node, tree new_node, unsigned int num) -+{ -+ tree cast_lhs = cast_to_orig_type(visited, stmt, orig_node, new_node); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gimple_return_set_retval(as_a_greturn(stmt), cast_lhs); -+ break; -+ case GIMPLE_CALL: -+ gimple_call_set_arg(stmt, num - 1, cast_lhs); -+ break; -+ case GIMPLE_ASM: -+ change_size_overflow_asm_input(as_a_gasm(stmt), cast_lhs); -+ break; -+ default: -+ debug_gimple_stmt(stmt); -+ gcc_unreachable(); -+ } -+ -+ update_stmt(stmt); -+} -+ -+// e.g., 3.8.2, 64, arch/x86/ia32/ia32_signal.c copy_siginfo_from_user32(): compat_ptr() u32 max -+static bool skip_asm_cast(const_tree arg) -+{ -+ gimple def_stmt = get_def_stmt(arg); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ def_stmt = get_def_stmt(gimple_assign_rhs1(def_stmt)); -+ if (is_size_overflow_asm(def_stmt)) -+ return false; -+ return def_stmt && gimple_code(def_stmt) == GIMPLE_ASM; -+} -+ -+struct interesting_stmts { -+ struct interesting_stmts *next; -+ gimple first_stmt; -+ tree orig_node; -+ unsigned int num; -+}; -+ -+static struct interesting_stmts *create_interesting_stmts(struct interesting_stmts *head, tree orig_node, gimple first_stmt, unsigned int num) -+{ -+ struct interesting_stmts *new_node; -+ -+ new_node = (struct interesting_stmts *)xmalloc(sizeof(*new_node)); -+ new_node->first_stmt = first_stmt; -+ new_node->num = num; -+ new_node->orig_node = orig_node; -+ new_node->next = head; -+ return new_node; -+} -+ -+static void free_interesting_stmts(struct interesting_stmts *head) -+{ -+ while (head) { -+ struct interesting_stmts *cur = head->next; -+ free(head); -+ head = cur; -+ } -+} -+ -+/* This function calls the main recursion function (expand) that duplicates the stmts. Before that it checks the intentional_overflow attribute, -+ * it decides whether the duplication is necessary or not. After expand() it changes the orig node to the duplicated node -+ * in the original stmt (first stmt) and it inserts the overflow check for the arg of the callee or for the return value. -+ */ -+static struct interesting_stmts *search_interesting_stmt(struct interesting_stmts *head, gimple first_stmt, tree orig_node, unsigned int num) -+{ -+ enum tree_code orig_code; -+ -+ gcc_assert(orig_node != NULL_TREE); -+ -+ if (is_gimple_constant(orig_node)) -+ return head; -+ -+ orig_code = TREE_CODE(orig_node); -+ gcc_assert(orig_code != FIELD_DECL && orig_code != FUNCTION_DECL); -+ gcc_assert(!skip_types(orig_node)); -+ -+ if (check_intentional_asm(first_stmt, num) != MARK_NO) -+ return head; -+ -+ if (SSA_NAME_IS_DEFAULT_DEF(orig_node)) -+ return head; -+ -+ if (skip_asm_cast(orig_node)) -+ return head; -+ -+ return create_interesting_stmts(head, orig_node, first_stmt, num); -+} -+ -+static void handle_interesting_stmt(struct visited *visited, struct interesting_stmts *head) -+{ -+ struct interesting_stmts *cur; -+ -+ for (cur = head; cur; cur = cur->next) { -+ tree new_node; -+ -+ new_node = expand(visited, cur->orig_node); -+ if (new_node == NULL_TREE) -+ continue; -+ -+ change_orig_node(visited, cur->first_stmt, cur->orig_node, new_node, cur->num); -+ check_size_overflow(cur->first_stmt, TREE_TYPE(new_node), new_node, cur->orig_node, BEFORE_STMT); -+ } -+} -+ -+static bool is_interesting_function(const_tree decl, unsigned int num) -+{ -+ const struct size_overflow_hash *so_hash; -+ -+ if (get_global_next_interesting_function_entry_with_hash(decl, DECL_NAME_POINTER(decl), num, YES_SO_MARK)) -+ return true; -+ -+ if (made_by_compiler(decl)) -+ return false; -+ -+ so_hash = get_size_overflow_hash_entry_tree(decl, num); -+ return so_hash != NULL; -+} -+ -+tree handle_fnptr_assign(const_gimple stmt) -+{ -+ tree field, rhs, op0; -+ const_tree op0_type; -+ enum tree_code rhs_code; -+ -+ // TODO skip binary assignments for now (fs/sync.c _591 = __bpf_call_base + _590;) -+ if (gimple_num_ops(stmt) != 2) -+ return NULL_TREE; -+ -+ gcc_assert(gimple_num_ops(stmt) == 2); -+ // TODO skip asm_stmt for now -+ if (gimple_code(stmt) == GIMPLE_ASM) -+ return NULL_TREE; -+ rhs = gimple_assign_rhs1(stmt); -+ if (is_gimple_constant(rhs)) -+ return NULL_TREE; -+ -+ rhs_code = TREE_CODE(rhs); -+ if (rhs_code == VAR_DECL) -+ return rhs; -+ -+ switch (rhs_code) { -+ case ADDR_EXPR: -+ op0 = TREE_OPERAND(rhs, 0); -+ gcc_assert(TREE_CODE(op0) == FUNCTION_DECL); -+ return op0; -+ case COMPONENT_REF: -+ break; -+ // TODO skip array_ref for now -+ case ARRAY_REF: -+ return NULL_TREE; -+ // TODO skip ssa_name because it can lead to parm_decl -+ case SSA_NAME: -+ return NULL_TREE; -+ // TODO skip mem_ref and indirect_ref for now -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case INDIRECT_REF: -+ return NULL_TREE; -+ default: -+ debug_tree(rhs); -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ op0 = TREE_OPERAND(rhs, 0); -+ switch (TREE_CODE(op0)) { -+ // TODO skip array_ref and parm_decl for now -+ case ARRAY_REF: -+ case PARM_DECL: -+ return NULL_TREE; -+ case COMPONENT_REF: -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case INDIRECT_REF: -+ case VAR_DECL: -+ break; -+ default: -+ debug_tree(op0); -+ gcc_unreachable(); -+ } -+ -+ op0_type = TREE_TYPE(op0); -+ // TODO skip unions for now -+ if (TREE_CODE(op0_type) == UNION_TYPE) -+ return NULL_TREE; -+ gcc_assert(TREE_CODE(op0_type) == RECORD_TYPE); -+ -+ field = TREE_OPERAND(rhs, 1); -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ return field; -+} -+ -+static tree get_fn_or_fnptr_decl(const gcall *call_stmt) -+{ -+ const_tree fnptr; -+ const_gimple def_stmt; -+ tree decl = gimple_call_fndecl(call_stmt); -+ -+ if (decl != NULL_TREE) -+ return decl; -+ -+ fnptr = gimple_call_fn(call_stmt); -+ // !!! assertot kell irni 0-ra, mert csak az lehet ott -+ if (is_gimple_constant(fnptr)) -+ return NULL_TREE; -+ def_stmt = get_fnptr_def_stmt(fnptr); -+ return handle_fnptr_assign(def_stmt); -+} -+ -+// Start stmt duplication on marked function parameters -+static struct interesting_stmts *search_interesting_calls(struct interesting_stmts *head, gcall *call_stmt) -+{ -+ tree decl; -+ unsigned int i, len; -+ -+ len = gimple_call_num_args(call_stmt); -+ if (len == 0) -+ return head; -+ -+ decl = get_fn_or_fnptr_decl(call_stmt); -+ if (decl == NULL_TREE) -+ return head; -+ -+ for (i = 0; i < len; i++) { -+ tree arg; -+ -+ arg = gimple_call_arg(call_stmt, i); -+ if (is_gimple_constant(arg)) -+ continue; -+ if (skip_types(arg)) -+ continue; -+ if (is_interesting_function(decl, i + 1)) -+ head = search_interesting_stmt(head, call_stmt, arg, i + 1); -+ } -+ -+ return head; -+} -+ -+// Collect interesting stmts for duplication -+static void search_interesting_stmts(struct visited *visited) -+{ -+ basic_block bb; -+ bool search_ret; -+ struct interesting_stmts *head = NULL; -+ -+ search_ret = is_interesting_function(current_function_decl, 0); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ tree first_node; -+ gimple stmt = gsi_stmt(gsi); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ if (!is_size_overflow_insert_check_asm(as_a_gasm(stmt))) -+ continue; -+ first_node = get_size_overflow_asm_input(as_a_gasm(stmt)); -+ head = search_interesting_stmt(head, stmt, first_node, 0); -+ break; -+ case GIMPLE_RETURN: -+ if (!search_ret) -+ continue; -+ first_node = gimple_return_retval(as_a_greturn(stmt)); -+ if (first_node == NULL_TREE) -+ break; -+ head = search_interesting_stmt(head, stmt, first_node, 0); -+ break; -+ case GIMPLE_CALL: -+ head = search_interesting_calls(head, as_a_gcall(stmt)); -+ break; -+ default: -+ break; -+ } -+ } -+ } -+ -+ handle_interesting_stmt(visited, head); -+ free_interesting_stmts(head); -+} -+ -+static struct visited *create_visited(void) -+{ -+ struct visited *new_node; -+ -+ new_node = (struct visited *)xmalloc(sizeof(*new_node)); -+ new_node->stmts = pointer_set_create(); -+ new_node->my_stmts = pointer_set_create(); -+ new_node->skip_expr_casts = pointer_set_create(); -+ new_node->no_cast_check = pointer_set_create(); -+ return new_node; -+} -+ -+static void free_visited(struct visited *visited) -+{ -+ pointer_set_destroy(visited->stmts); -+ pointer_set_destroy(visited->my_stmts); -+ pointer_set_destroy(visited->skip_expr_casts); -+ pointer_set_destroy(visited->no_cast_check); -+ -+ free(visited); -+} -+ -+// Remove the size_overflow asm stmt and create an assignment from the input and output of the asm -+static void replace_size_overflow_asm_with_assign(gasm *asm_stmt, tree lhs, tree rhs) -+{ -+ gassign *assign; -+ gimple_stmt_iterator gsi; -+ -+ // already removed -+ if (gimple_bb(asm_stmt) == NULL) -+ return; -+ gsi = gsi_for_stmt(asm_stmt); -+ -+ assign = gimple_build_assign(lhs, rhs); -+ gsi_insert_before(&gsi, assign, GSI_SAME_STMT); -+ SSA_NAME_DEF_STMT(lhs) = assign; -+ -+ gsi_remove(&gsi, true); -+} -+ -+// Replace our asm stmts with assignments (they are no longer needed and may interfere with later optimizations) -+static void remove_size_overflow_asm(gimple stmt) -+{ -+ gimple_stmt_iterator gsi; -+ tree input, output; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return; -+ -+ if (gimple_asm_noutputs(as_a_gasm(stmt)) == 0) { -+ gsi = gsi_for_stmt(stmt); -+ -+ ipa_remove_stmt_references(cgraph_get_node(current_function_decl), stmt); -+ gsi_remove(&gsi, true); -+ return; -+ } -+ -+ input = gimple_asm_input_op(as_a_gasm(stmt), 0); -+ output = gimple_asm_output_op(as_a_gasm(stmt), 0); -+ replace_size_overflow_asm_with_assign(as_a_gasm(stmt), TREE_VALUE(output), TREE_VALUE(input)); -+} -+ -+static void remove_all_size_overflow_asm(void) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator si; -+ -+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si)) -+ remove_size_overflow_asm(gsi_stmt(si)); -+ } -+} -+ -+unsigned int size_overflow_transform(struct cgraph_node *node __unused) -+{ -+ struct visited *visited; -+ -+#if BUILDING_GCC_VERSION >= 4008 -+ if (dump_file) { -+ fprintf(dump_file, "BEFORE TRANSFORM -------------------------\n"); -+ size_overflow_dump_function(dump_file, node); -+ } -+#endif -+ visited = create_visited(); -+ set_dominance_info(); -+ -+ search_interesting_stmts(visited); -+ -+ remove_all_size_overflow_asm(); -+ -+ unset_dominance_info(); -+ free_visited(visited); -+ -+#if BUILDING_GCC_VERSION >= 4008 -+ if (dump_file) { -+ fprintf(dump_file, "AFTER TRANSFORM -------------------------\n"); -+ size_overflow_dump_function(dump_file, node); -+ } -+#endif -+ return TODO_dump_func | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_ggc_collect | TODO_verify_flow; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c b/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c -new file mode 100644 -index 0000000..c9d7068 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c -@@ -0,0 +1,966 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy <re.emese(a)gmail.com> -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+#define MIN_CHECK true -+#define MAX_CHECK false -+ -+unsigned int call_count = 0; -+ -+static tree get_size_overflow_type(struct visited *visited, const_gimple stmt, const_tree node) -+{ -+ const_tree type; -+ tree new_type; -+ -+ gcc_assert(node != NULL_TREE); -+ -+ type = TREE_TYPE(node); -+ -+ if (pointer_set_contains(visited->my_stmts, stmt)) -+ return TREE_TYPE(node); -+ -+ switch (TYPE_MODE(type)) { -+ case QImode: -+ new_type = size_overflow_type_HI; -+ break; -+ case HImode: -+ new_type = size_overflow_type_SI; -+ break; -+ case SImode: -+ new_type = size_overflow_type_DI; -+ break; -+ case DImode: -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode)) -+ new_type = TYPE_UNSIGNED(type) ? unsigned_intDI_type_node : intDI_type_node; -+ else -+ new_type = size_overflow_type_TI; -+ break; -+ case TImode: -+ gcc_assert(!TYPE_UNSIGNED(type)); -+ new_type = size_overflow_type_TI; -+ break; -+ default: -+ debug_tree((tree)node); -+ error("%s: unsupported gcc configuration (%qE).", __func__, current_function_decl); -+ gcc_unreachable(); -+ } -+ -+ if (TYPE_QUALS(type) != 0) -+ return build_qualified_type(new_type, TYPE_QUALS(type)); -+ return new_type; -+} -+ -+static tree cast_to_new_size_overflow_type(struct visited *visited, gimple stmt, tree rhs, tree size_overflow_type, bool before) -+{ -+ gimple_stmt_iterator gsi; -+ gimple new_stmt; -+ -+ if (rhs == NULL_TREE) -+ return NULL_TREE; -+ -+ gsi = gsi_for_stmt(stmt); -+ new_stmt = build_cast_stmt(visited, size_overflow_type, rhs, CREATE_NEW_VAR, &gsi, before, false); -+ if (gimple_assign_cast_p(new_stmt)) -+ gimple_assign_set_rhs_code(new_stmt, CONVERT_EXPR); -+ pointer_set_insert(visited->my_stmts, new_stmt); -+ -+ return get_lhs(new_stmt); -+} -+ -+tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before) -+{ -+ tree lhs, dst_type; -+ gimple_stmt_iterator gsi; -+ -+ if (rhs1 == NULL_TREE) { -+ debug_gimple_stmt(oldstmt); -+ error("%s: rhs1 is NULL_TREE", __func__); -+ gcc_unreachable(); -+ } -+ -+ switch (gimple_code(oldstmt)) { -+ case GIMPLE_ASM: -+ lhs = rhs1; -+ break; -+ case GIMPLE_CALL: -+ case GIMPLE_ASSIGN: -+ lhs = gimple_get_lhs(oldstmt); -+ break; -+ default: -+ debug_gimple_stmt(oldstmt); -+ gcc_unreachable(); -+ } -+ -+ gsi = gsi_for_stmt(oldstmt); -+ pointer_set_insert(visited->stmts, oldstmt); -+ if (lookup_stmt_eh_lp(oldstmt) != 0) { -+ basic_block next_bb, cur_bb; -+ const_edge e; -+ -+ gcc_assert(before == false); -+ gcc_assert(stmt_can_throw_internal(oldstmt)); -+ gcc_assert(gimple_code(oldstmt) == GIMPLE_CALL); -+ gcc_assert(!gsi_end_p(gsi)); -+ -+ cur_bb = gimple_bb(oldstmt); -+ next_bb = cur_bb->next_bb; -+ e = find_edge(cur_bb, next_bb); -+ gcc_assert(e != NULL); -+ gcc_assert(e->flags & EDGE_FALLTHRU); -+ -+ gsi = gsi_after_labels(next_bb); -+ gcc_assert(!gsi_end_p(gsi)); -+ -+ before = true; -+ oldstmt = gsi_stmt(gsi); -+ } -+ -+ if (is_gimple_constant(rhs1) && TREE_CODE_CLASS(gimple_assign_rhs_code(oldstmt)) == tcc_comparison) -+ dst_type = get_size_overflow_type(visited, oldstmt, rhs1); -+ else -+ dst_type = get_size_overflow_type(visited, oldstmt, lhs); -+ -+ if (is_gimple_constant(rhs1)) -+ return cast_a_tree(dst_type, rhs1); -+ return cast_to_new_size_overflow_type(visited, oldstmt, rhs1, dst_type, before); -+} -+ -+tree dup_assign(struct visited *visited, gassign *oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3) -+{ -+ gassign *stmt; -+ gimple_stmt_iterator gsi; -+ tree size_overflow_type, new_var, lhs = gimple_assign_lhs(oldstmt); -+ -+ if (pointer_set_contains(visited->my_stmts, oldstmt)) -+ return lhs; -+ -+ if (gimple_num_ops(oldstmt) != 4 && rhs1 == NULL_TREE) { -+ rhs1 = gimple_assign_rhs1(oldstmt); -+ rhs1 = create_assign(visited, oldstmt, rhs1, BEFORE_STMT); -+ } -+ if (gimple_num_ops(oldstmt) == 3 && rhs2 == NULL_TREE) { -+ rhs2 = gimple_assign_rhs2(oldstmt); -+ rhs2 = create_assign(visited, oldstmt, rhs2, BEFORE_STMT); -+ } -+ -+ stmt = as_a_gassign(gimple_copy(oldstmt)); -+ gimple_set_location(stmt, gimple_location(oldstmt)); -+ pointer_set_insert(visited->my_stmts, stmt); -+ -+ if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR) -+ gimple_assign_set_rhs_code(stmt, MULT_EXPR); -+ -+ size_overflow_type = get_size_overflow_type(visited, oldstmt, node); -+ -+ new_var = create_new_var(size_overflow_type); -+ new_var = make_ssa_name(new_var, stmt); -+ gimple_assign_set_lhs(stmt, new_var); -+ -+ if (rhs1 != NULL_TREE) -+ gimple_assign_set_rhs1(stmt, rhs1); -+ -+ if (rhs2 != NULL_TREE) -+ gimple_assign_set_rhs2(stmt, rhs2); -+#if BUILDING_GCC_VERSION >= 4006 -+ if (rhs3 != NULL_TREE) -+ gimple_assign_set_rhs3(stmt, rhs3); -+#endif -+ gimple_set_vuse(stmt, gimple_vuse(oldstmt)); -+ gimple_set_vdef(stmt, gimple_vdef(oldstmt)); -+ -+ gsi = gsi_for_stmt(oldstmt); -+ gsi_insert_after(&gsi, stmt, GSI_SAME_STMT); -+ update_stmt(stmt); -+ pointer_set_insert(visited->stmts, oldstmt); -+ return gimple_assign_lhs(stmt); -+} -+ -+static tree cast_parm_decl(struct visited *visited, tree phi_ssa_name, tree arg, tree size_overflow_type, basic_block bb) -+{ -+ const_gimple assign; -+ gimple_stmt_iterator gsi; -+ basic_block first_bb; -+ -+ gcc_assert(SSA_NAME_IS_DEFAULT_DEF(arg)); -+ -+ if (bb->index == 0) { -+ first_bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ gcc_assert(dom_info_available_p(CDI_DOMINATORS)); -+ set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ bb = first_bb; -+ } -+ -+ gsi = gsi_after_labels(bb); -+ assign = build_cast_stmt(visited, size_overflow_type, arg, phi_ssa_name, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree use_phi_ssa_name(struct visited *visited, tree ssa_name_var, tree new_arg) -+{ -+ gimple_stmt_iterator gsi; -+ const_gimple assign; -+ gimple def_stmt = get_def_stmt(new_arg); -+ -+ if (gimple_code(def_stmt) == GIMPLE_PHI) { -+ gsi = gsi_after_labels(gimple_bb(def_stmt)); -+ assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, BEFORE_STMT, true); -+ } else { -+ gsi = gsi_for_stmt(def_stmt); -+ assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, AFTER_STMT, true); -+ } -+ -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree cast_visited_phi_arg(struct visited *visited, tree ssa_name_var, tree arg, tree size_overflow_type) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ const_gimple def_stmt; -+ const_gimple assign; -+ -+ def_stmt = get_def_stmt(arg); -+ bb = gimple_bb(def_stmt); -+ gcc_assert(bb->index != 0); -+ gsi = gsi_after_labels(bb); -+ -+ assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree create_new_phi_arg(struct visited *visited, tree ssa_name_var, tree new_arg, gphi *oldstmt, unsigned int i) -+{ -+ tree size_overflow_type; -+ tree arg; -+ const_gimple def_stmt; -+ -+ if (new_arg != NULL_TREE && is_gimple_constant(new_arg)) -+ return new_arg; -+ -+ arg = gimple_phi_arg_def(oldstmt, i); -+ def_stmt = get_def_stmt(arg); -+ gcc_assert(def_stmt != NULL); -+ size_overflow_type = get_size_overflow_type(visited, oldstmt, arg); -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return cast_visited_phi_arg(visited, ssa_name_var, arg, size_overflow_type); -+ case GIMPLE_NOP: { -+ basic_block bb; -+ -+ bb = gimple_phi_arg_edge(oldstmt, i)->src; -+ return cast_parm_decl(visited, ssa_name_var, arg, size_overflow_type, bb); -+ } -+ case GIMPLE_ASM: { -+ gimple_stmt_iterator gsi; -+ const_gimple assign; -+ gimple stmt = get_def_stmt(arg); -+ -+ gsi = gsi_for_stmt(stmt); -+ assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, AFTER_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+ } -+ default: -+ gcc_assert(new_arg != NULL_TREE); -+ gcc_assert(types_compatible_p(TREE_TYPE(new_arg), size_overflow_type)); -+ return use_phi_ssa_name(visited, ssa_name_var, new_arg); -+ } -+} -+ -+static gphi *overflow_create_phi_node(struct visited *visited, gphi *oldstmt, tree result) -+{ -+ basic_block bb; -+ gimple stmt; -+ gphi *phi; -+ gimple_seq seq; -+ gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt); -+ -+ bb = gsi_bb(gsi); -+ -+ if (result == NULL_TREE) { -+ tree old_result = gimple_phi_result(oldstmt); -+ tree size_overflow_type = get_size_overflow_type(visited, oldstmt, old_result); -+ -+ result = create_new_var(size_overflow_type); -+ } -+ -+ stmt = create_phi_node(result, bb); -+ phi = as_a_gphi(stmt); -+ gimple_phi_set_result(phi, make_ssa_name(result, phi)); -+ seq = phi_nodes(bb); -+ gsi = gsi_last(seq); -+ gsi_remove(&gsi, false); -+ -+ gsi = gsi_for_stmt(oldstmt); -+ gsi_insert_after(&gsi, phi, GSI_NEW_STMT); -+ gimple_set_bb(phi, bb); -+ return phi; -+} -+ -+#if BUILDING_GCC_VERSION <= 4007 -+static tree create_new_phi_node(struct visited *visited, VEC(tree, heap) **args, tree ssa_name_var, gimple oldstmt) -+#else -+static tree create_new_phi_node(struct visited *visited, vec<tree, va_heap, vl_embed> *&args, tree ssa_name_var, gphi *oldstmt) -+#endif -+{ -+ gphi *new_phi; -+ unsigned int i; -+ tree arg, result; -+ location_t loc = gimple_location(oldstmt); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ gcc_assert(!VEC_empty(tree, *args)); -+#else -+ gcc_assert(!args->is_empty()); -+#endif -+ -+ new_phi = overflow_create_phi_node(visited, oldstmt, ssa_name_var); -+ result = gimple_phi_result(new_phi); -+ ssa_name_var = SSA_NAME_VAR(result); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ FOR_EACH_VEC_ELT(tree, *args, i, arg) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(args, i, arg) { -+#endif -+ arg = create_new_phi_arg(visited, ssa_name_var, arg, oldstmt, i); -+ add_phi_arg(new_phi, arg, gimple_phi_arg_edge(oldstmt, i), loc); -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_free(tree, heap, *args); -+#else -+ vec_free(args); -+#endif -+ update_stmt(new_phi); -+ pointer_set_insert(visited->my_stmts, new_phi); -+ return result; -+} -+ -+static tree handle_phi(struct visited *visited, tree orig_result) -+{ -+ tree ssa_name_var = NULL_TREE; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, heap) *args = NULL; -+#else -+ vec<tree, va_heap, vl_embed> *args = NULL; -+#endif -+ gphi *oldstmt = as_a_gphi(get_def_stmt(orig_result)); -+ unsigned int i, len = gimple_phi_num_args(oldstmt); -+ -+ pointer_set_insert(visited->stmts, oldstmt); -+ for (i = 0; i < len; i++) { -+ tree arg, new_arg; -+ -+ arg = gimple_phi_arg_def(oldstmt, i); -+ new_arg = expand(visited, arg); -+ -+ if (ssa_name_var == NULL_TREE && new_arg != NULL_TREE) -+ ssa_name_var = SSA_NAME_VAR(new_arg); -+ -+ if (is_gimple_constant(arg)) { -+ tree size_overflow_type = get_size_overflow_type(visited, oldstmt, arg); -+ -+ new_arg = cast_a_tree(size_overflow_type, arg); -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, heap, args, new_arg); -+#else -+ vec_safe_push(args, new_arg); -+#endif -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ return create_new_phi_node(visited, &args, ssa_name_var, oldstmt); -+#else -+ return create_new_phi_node(visited, args, ssa_name_var, oldstmt); -+#endif -+} -+ -+static tree create_cast_assign(struct visited *visited, gassign *stmt) -+{ -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree lhs = gimple_assign_lhs(stmt); -+ const_tree rhs1_type = TREE_TYPE(rhs1); -+ const_tree lhs_type = TREE_TYPE(lhs); -+ -+ if (TYPE_UNSIGNED(rhs1_type) == TYPE_UNSIGNED(lhs_type)) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ return create_assign(visited, stmt, rhs1, AFTER_STMT); -+} -+ -+static bool skip_lhs_cast_check(const gassign *stmt) -+{ -+ const_tree rhs = gimple_assign_rhs1(stmt); -+ const_gimple def_stmt = get_def_stmt(rhs); -+ -+ // 3.8.2 kernel/futex_compat.c compat_exit_robust_list(): get_user() 64 ulong -> int (compat_long_t), int max -+ if (gimple_code(def_stmt) == GIMPLE_ASM) -+ return true; -+ -+ if (is_const_plus_unsigned_signed_truncation(rhs)) -+ return true; -+ -+ return false; -+} -+ -+static tree create_string_param(tree string) -+{ -+ tree i_type, a_type; -+ const int length = TREE_STRING_LENGTH(string); -+ -+ gcc_assert(length > 0); -+ -+ i_type = build_index_type(build_int_cst(NULL_TREE, length - 1)); -+ a_type = build_array_type(char_type_node, i_type); -+ -+ TREE_TYPE(string) = a_type; -+ TREE_CONSTANT(string) = 1; -+ TREE_READONLY(string) = 1; -+ -+ return build1(ADDR_EXPR, ptr_type_node, string); -+} -+ -+static void insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value) -+{ -+ gcond *cond_stmt; -+ gimple_stmt_iterator gsi = gsi_last_bb(cond_bb); -+ -+ cond_stmt = gimple_build_cond(cond_code, arg, type_value, NULL_TREE, NULL_TREE); -+ gsi_insert_after(&gsi, cond_stmt, GSI_CONTINUE_LINKING); -+ update_stmt(cond_stmt); -+} -+ -+static void insert_cond_result(basic_block bb_true, const_gimple stmt, const_tree arg, bool min) -+{ -+ gimple call_stmt; -+ gcall *func_stmt; -+ const_gimple def_stmt; -+ const_tree loc_line; -+ tree loc_file, ssa_name, current_func; -+ expanded_location xloc; -+ char *ssa_name_buf; -+ int len; -+ struct cgraph_edge *edge; -+ struct cgraph_node *report_node; -+ int frequency; -+ gimple_stmt_iterator gsi = gsi_start_bb(bb_true); -+ -+ def_stmt = get_def_stmt(arg); -+ xloc = expand_location(gimple_location(def_stmt)); -+ -+ if (!gimple_has_location(def_stmt)) { -+ xloc = expand_location(gimple_location(stmt)); -+ if (!gimple_has_location(stmt)) -+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl)); -+ } -+ -+ loc_line = build_int_cstu(unsigned_type_node, xloc.line); -+ -+ loc_file = build_string(strlen(xloc.file) + 1, xloc.file); -+ loc_file = create_string_param(loc_file); -+ -+ current_func = build_string(DECL_NAME_LENGTH(current_function_decl) + 1, DECL_NAME_POINTER(current_function_decl)); -+ current_func = create_string_param(current_func); -+ -+ gcc_assert(DECL_NAME(SSA_NAME_VAR(arg)) != NULL); -+ call_count++; -+ len = asprintf(&ssa_name_buf, "%s_%u %s, count: %u\n", DECL_NAME_POINTER(SSA_NAME_VAR(arg)), SSA_NAME_VERSION(arg), min ? "min" : "max", call_count); -+ gcc_assert(len > 0); -+ ssa_name = build_string(len + 1, ssa_name_buf); -+ free(ssa_name_buf); -+ ssa_name = create_string_param(ssa_name); -+ -+ // void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name) -+ call_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name); -+ func_stmt = as_a_gcall(call_stmt); -+ gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING); -+ -+ report_node = cgraph_get_create_node(report_size_overflow_decl); -+ gcc_assert(report_node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb_true); -+ -+ edge = cgraph_create_edge(get_cnode(current_function_decl), report_node, func_stmt, bb_true->count, frequency, bb_true->loop_depth); -+ gcc_assert(edge != NULL); -+} -+ -+static void insert_check_size_overflow(gimple stmt, enum tree_code cond_code, tree arg, tree type_value, bool before, bool min) -+{ -+ basic_block cond_bb, join_bb, bb_true; -+ edge e; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ cond_bb = gimple_bb(stmt); -+ if (before) -+ gsi_prev(&gsi); -+ if (gsi_end_p(gsi)) -+ e = split_block_after_labels(cond_bb); -+ else -+ e = split_block(cond_bb, gsi_stmt(gsi)); -+ cond_bb = e->src; -+ join_bb = e->dest; -+ e->flags = EDGE_FALSE_VALUE; -+ e->probability = REG_BR_PROB_BASE; -+ -+ bb_true = create_empty_bb(cond_bb); -+ make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE); -+ make_edge(cond_bb, join_bb, EDGE_FALSE_VALUE); -+ make_edge(bb_true, join_bb, EDGE_FALLTHRU); -+ -+ gcc_assert(dom_info_available_p(CDI_DOMINATORS)); -+ set_immediate_dominator(CDI_DOMINATORS, bb_true, cond_bb); -+ set_immediate_dominator(CDI_DOMINATORS, join_bb, cond_bb); -+ -+ if (current_loops != NULL) { -+ gcc_assert(cond_bb->loop_father == join_bb->loop_father); -+ add_bb_to_loop(bb_true, cond_bb->loop_father); -+ } -+ -+ insert_cond(cond_bb, arg, cond_code, type_value); -+ insert_cond_result(bb_true, stmt, arg, min); -+ -+// print_the_code_insertions(stmt); -+} -+ -+void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before) -+{ -+ const_tree rhs_type = TREE_TYPE(rhs); -+ tree cast_rhs_type, type_max_type, type_min_type, type_max, type_min; -+ -+ gcc_assert(rhs_type != NULL_TREE); -+ if (TREE_CODE(rhs_type) == POINTER_TYPE) -+ return; -+ -+ gcc_assert(TREE_CODE(rhs_type) == INTEGER_TYPE || TREE_CODE(rhs_type) == ENUMERAL_TYPE); -+ -+ if (is_const_plus_unsigned_signed_truncation(rhs)) -+ return; -+ -+ type_max = cast_a_tree(size_overflow_type, TYPE_MAX_VALUE(rhs_type)); -+ // typemax (-1) < typemin (0) -+ if (TREE_OVERFLOW(type_max)) -+ return; -+ -+ type_min = cast_a_tree(size_overflow_type, TYPE_MIN_VALUE(rhs_type)); -+ -+ cast_rhs_type = TREE_TYPE(cast_rhs); -+ type_max_type = TREE_TYPE(type_max); -+ gcc_assert(types_compatible_p(cast_rhs_type, type_max_type)); -+ -+ insert_check_size_overflow(stmt, GT_EXPR, cast_rhs, type_max, before, MAX_CHECK); -+ -+ // special case: get_size_overflow_type(), 32, u64->s -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && TYPE_UNSIGNED(size_overflow_type) && !TYPE_UNSIGNED(rhs_type)) -+ return; -+ -+ type_min_type = TREE_TYPE(type_min); -+ gcc_assert(types_compatible_p(type_max_type, type_min_type)); -+ insert_check_size_overflow(stmt, LT_EXPR, cast_rhs, type_min, before, MIN_CHECK); -+} -+ -+static tree create_cast_overflow_check(struct visited *visited, tree new_rhs1, gassign *stmt) -+{ -+ bool cast_lhs, cast_rhs; -+ tree lhs = gimple_assign_lhs(stmt); -+ tree rhs = gimple_assign_rhs1(stmt); -+ const_tree lhs_type = TREE_TYPE(lhs); -+ const_tree rhs_type = TREE_TYPE(rhs); -+ enum machine_mode lhs_mode = TYPE_MODE(lhs_type); -+ enum machine_mode rhs_mode = TYPE_MODE(rhs_type); -+ unsigned int lhs_size = GET_MODE_BITSIZE(lhs_mode); -+ unsigned int rhs_size = GET_MODE_BITSIZE(rhs_mode); -+ -+ static bool check_lhs[3][4] = { -+ // ss su us uu -+ { false, true, true, false }, // lhs > rhs -+ { false, false, false, false }, // lhs = rhs -+ { true, true, true, true }, // lhs < rhs -+ }; -+ -+ static bool check_rhs[3][4] = { -+ // ss su us uu -+ { true, false, true, true }, // lhs > rhs -+ { true, false, true, true }, // lhs = rhs -+ { true, false, true, true }, // lhs < rhs -+ }; -+ -+ // skip lhs check on signed SI -> HI cast or signed SI -> QI cast -+ if (rhs_mode == SImode && !TYPE_UNSIGNED(rhs_type) && (lhs_mode == HImode || lhs_mode == QImode)) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (lhs_size > rhs_size) { -+ cast_lhs = check_lhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } else if (lhs_size == rhs_size) { -+ cast_lhs = check_lhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } else { -+ cast_lhs = check_lhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } -+ -+ if (!cast_lhs && !cast_rhs) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ if (cast_lhs && !skip_lhs_cast_check(stmt)) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, lhs, BEFORE_STMT); -+ -+ if (cast_rhs) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, rhs, BEFORE_STMT); -+ -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+} -+ -+static tree handle_unary_rhs(struct visited *visited, gassign *stmt) -+{ -+ enum tree_code rhs_code; -+ tree rhs1, new_rhs1, lhs = gimple_assign_lhs(stmt); -+ -+ if (pointer_set_contains(visited->my_stmts, stmt)) -+ return lhs; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (TREE_CODE(TREE_TYPE(rhs1)) == POINTER_TYPE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ new_rhs1 = expand(visited, rhs1); -+ -+ if (new_rhs1 == NULL_TREE) -+ return create_cast_assign(visited, stmt); -+ -+ if (pointer_set_contains(visited->no_cast_check, stmt)) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ rhs_code = gimple_assign_rhs_code(stmt); -+ if (rhs_code == BIT_NOT_EXPR || rhs_code == NEGATE_EXPR) { -+ tree size_overflow_type = get_size_overflow_type(visited, stmt, rhs1); -+ -+ new_rhs1 = cast_to_new_size_overflow_type(visited, stmt, new_rhs1, size_overflow_type, BEFORE_STMT); -+ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, BEFORE_STMT); -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ } -+ -+ if (!gimple_assign_cast_p(stmt)) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ return create_cast_overflow_check(visited, new_rhs1, stmt); -+} -+ -+static tree handle_unary_ops(struct visited *visited, gassign *stmt) -+{ -+ tree rhs1, lhs = gimple_assign_lhs(stmt); -+ gimple def_stmt = get_def_stmt(lhs); -+ -+ gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP); -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ -+ if (is_gimple_constant(rhs1)) -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ -+ switch (TREE_CODE(rhs1)) { -+ case SSA_NAME: { -+ tree ret = handle_unary_rhs(visited, as_a_gassign(def_stmt)); -+ -+ if (gimple_assign_cast_p(stmt)) -+ unsigned_signed_cast_intentional_overflow(visited, stmt); -+ return ret; -+ } -+ case ARRAY_REF: -+ case BIT_FIELD_REF: -+ case ADDR_EXPR: -+ case COMPONENT_REF: -+ case INDIRECT_REF: -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case TARGET_MEM_REF: -+ case VIEW_CONVERT_EXPR: -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ case PARM_DECL: -+ case VAR_DECL: -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ default: -+ debug_gimple_stmt(def_stmt); -+ debug_tree(rhs1); -+ gcc_unreachable(); -+ } -+} -+ -+static void __unused print_the_code_insertions(const_gimple stmt) -+{ -+ location_t loc = gimple_location(stmt); -+ -+ inform(loc, "Integer size_overflow check applied here."); -+} -+ -+static bool is_from_cast(const_tree node) -+{ -+ gimple def_stmt = get_def_stmt(node); -+ -+ if (!def_stmt) -+ return false; -+ -+ if (gimple_assign_cast_p(def_stmt)) -+ return true; -+ -+ return false; -+} -+ -+// Skip duplication when there is a minus expr and the type of rhs1 or rhs2 is a pointer_type. -+static bool is_ptr_diff(gassign *stmt) -+{ -+ const_tree rhs1, rhs2, ptr1_rhs, ptr2_rhs; -+ -+ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (!is_from_cast(rhs1)) -+ return false; -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (!is_from_cast(rhs2)) -+ return false; -+ -+ ptr1_rhs = gimple_assign_rhs1(get_def_stmt(rhs1)); -+ ptr2_rhs = gimple_assign_rhs1(get_def_stmt(rhs2)); -+ -+ if (TREE_CODE(TREE_TYPE(ptr1_rhs)) != POINTER_TYPE && TREE_CODE(TREE_TYPE(ptr2_rhs)) != POINTER_TYPE) -+ return false; -+ -+ return true; -+} -+ -+static tree handle_comparison_code_class(struct visited *visited, gassign *stmt, tree new_rhs1, tree new_rhs2) -+{ -+ tree rhs1, rhs2, lhs; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (!is_gimple_constant(rhs1) && new_rhs1 != NULL_TREE) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, rhs1, BEFORE_STMT); -+ -+ lhs = gimple_assign_lhs(stmt); -+ if (new_rhs2 == NULL_TREE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (!is_gimple_constant(rhs2)) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs2), new_rhs2, rhs2, BEFORE_STMT); -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+} -+ -+static tree handle_binary_ops(struct visited *visited, tree lhs) -+{ -+ enum intentional_overflow_type res; -+ tree rhs1, rhs2, new_lhs; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree new_rhs1 = NULL_TREE; -+ tree new_rhs2 = NULL_TREE; -+ -+ if (is_ptr_diff(def_stmt)) -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ /* no DImode/TImode division in the 32/64 bit kernel */ -+ switch (gimple_assign_rhs_code(def_stmt)) { -+ case RDIV_EXPR: -+ case TRUNC_DIV_EXPR: -+ case CEIL_DIV_EXPR: -+ case FLOOR_DIV_EXPR: -+ case ROUND_DIV_EXPR: -+ case TRUNC_MOD_EXPR: -+ case CEIL_MOD_EXPR: -+ case FLOOR_MOD_EXPR: -+ case ROUND_MOD_EXPR: -+ case EXACT_DIV_EXPR: -+ case POINTER_PLUS_EXPR: -+ case BIT_AND_EXPR: -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ default: -+ break; -+ } -+ -+ new_lhs = handle_integer_truncation(visited, lhs); -+ if (new_lhs != NULL_TREE) -+ return new_lhs; -+ -+ if (TREE_CODE(rhs1) == SSA_NAME) -+ new_rhs1 = expand(visited, rhs1); -+ if (TREE_CODE(rhs2) == SSA_NAME) -+ new_rhs2 = expand(visited, rhs2); -+ -+ res = add_mul_intentional_overflow(def_stmt); -+ if (res != NO_INTENTIONAL_OVERFLOW) { -+ new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+ insert_cast_expr(visited, as_a_gassign(get_def_stmt(new_lhs)), res); -+ return new_lhs; -+ } -+ -+ if (skip_expr_on_double_type(def_stmt)) { -+ new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+ insert_cast_expr(visited, as_a_gassign(get_def_stmt(new_lhs)), NO_INTENTIONAL_OVERFLOW); -+ return new_lhs; -+ } -+ -+ if (is_a_neg_overflow(def_stmt, rhs2)) -+ return handle_intentional_overflow(visited, true, def_stmt, new_rhs1, NULL_TREE); -+ if (is_a_neg_overflow(def_stmt, rhs1)) -+ return handle_intentional_overflow(visited, true, def_stmt, new_rhs2, new_rhs2); -+ -+ -+ if (is_a_constant_overflow(def_stmt, rhs2)) -+ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs1), def_stmt, new_rhs1, NULL_TREE); -+ if (is_a_constant_overflow(def_stmt, rhs1)) -+ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, new_rhs2); -+ -+ // the const is between 0 and (signed) MAX -+ if (is_gimple_constant(rhs1)) -+ new_rhs1 = create_assign(visited, def_stmt, rhs1, BEFORE_STMT); -+ if (is_gimple_constant(rhs2)) -+ new_rhs2 = create_assign(visited, def_stmt, rhs2, BEFORE_STMT); -+ -+ if (TREE_CODE_CLASS(gimple_assign_rhs_code(def_stmt)) == tcc_comparison) -+ return handle_comparison_code_class(visited, def_stmt, new_rhs1, new_rhs2); -+ -+ return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+} -+ -+#if BUILDING_GCC_VERSION >= 4006 -+static tree get_new_rhs(struct visited *visited, tree size_overflow_type, tree rhs) -+{ -+ if (is_gimple_constant(rhs)) -+ return cast_a_tree(size_overflow_type, rhs); -+ if (TREE_CODE(rhs) != SSA_NAME) -+ return NULL_TREE; -+ return expand(visited, rhs); -+} -+ -+static tree handle_ternary_ops(struct visited *visited, tree lhs) -+{ -+ tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ -+ size_overflow_type = get_size_overflow_type(visited, def_stmt, lhs); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ rhs3 = gimple_assign_rhs3(def_stmt); -+ new_rhs1 = get_new_rhs(visited, size_overflow_type, rhs1); -+ new_rhs2 = get_new_rhs(visited, size_overflow_type, rhs2); -+ new_rhs3 = get_new_rhs(visited, size_overflow_type, rhs3); -+ -+ return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, new_rhs3); -+} -+#endif -+ -+static tree get_my_stmt_lhs(struct visited *visited, gimple stmt) -+{ -+ gimple_stmt_iterator gsi; -+ gimple next_stmt = NULL; -+ -+ gsi = gsi_for_stmt(stmt); -+ -+ do { -+ gsi_next(&gsi); -+ next_stmt = gsi_stmt(gsi); -+ -+ if (gimple_code(stmt) == GIMPLE_PHI && !pointer_set_contains(visited->my_stmts, next_stmt)) -+ return NULL_TREE; -+ -+ if (pointer_set_contains(visited->my_stmts, next_stmt) && !pointer_set_contains(visited->skip_expr_casts, next_stmt)) -+ break; -+ -+ gcc_assert(pointer_set_contains(visited->my_stmts, next_stmt)); -+ } while (!gsi_end_p(gsi)); -+ -+ gcc_assert(next_stmt); -+ return get_lhs(next_stmt); -+} -+ -+static tree expand_visited(struct visited *visited, gimple def_stmt) -+{ -+ gimple_stmt_iterator gsi; -+ enum gimple_code code = gimple_code(def_stmt); -+ -+ if (code == GIMPLE_ASM) -+ return NULL_TREE; -+ -+ gsi = gsi_for_stmt(def_stmt); -+ gsi_next(&gsi); -+ -+ if (gimple_code(def_stmt) == GIMPLE_PHI && gsi_end_p(gsi)) -+ return NULL_TREE; -+ return get_my_stmt_lhs(visited, def_stmt); -+} -+ -+tree expand(struct visited *visited, tree lhs) -+{ -+ gimple def_stmt; -+ -+ def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP) -+ return NULL_TREE; -+ -+ if (pointer_set_contains(visited->my_stmts, def_stmt)) -+ return lhs; -+ -+ if (pointer_set_contains(visited->stmts, def_stmt)) -+ return expand_visited(visited, def_stmt); -+ -+ if (is_gimple_constant(lhs)) -+ return NULL_TREE; -+ if (skip_types(lhs)) -+ return NULL_TREE; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return handle_phi(visited, lhs); -+ case GIMPLE_CALL: -+ case GIMPLE_ASM: -+ if (is_size_overflow_asm(def_stmt)) -+ return expand(visited, get_size_overflow_asm_input(as_a_gasm(def_stmt))); -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return handle_unary_ops(visited, as_a_gassign(def_stmt)); -+ case 3: -+ return handle_binary_ops(visited, lhs); -+#if BUILDING_GCC_VERSION >= 4006 -+ case 4: -+ return handle_ternary_ops(visited, lhs); -+#endif -+ } -+ default: -+ debug_gimple_stmt(def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c -new file mode 100644 -index 0000000..155e2c5 ---- /dev/null -+++ b/tools/gcc/stackleak_plugin.c -@@ -0,0 +1,436 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to help implement various PaX features -+ * -+ * - track lowest stack pointer -+ * -+ * TODO: -+ * - initialize all local variables -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static int track_frame_size = -1; -+static const char track_function[] = "pax_track_stack"; -+static const char check_function[] = "pax_check_alloca"; -+static GTY(()) tree track_function_decl; -+static GTY(()) tree check_function_decl; -+static bool init_locals; -+ -+static struct plugin_info stackleak_plugin_info = { -+ .version = "201504282245", -+ .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n" -+// "initialize-locals\t\tforcibly initialize all stack frames\n" -+}; -+ -+static void stackleak_check_alloca(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gcall *check_alloca; -+ tree alloca_size; -+ cgraph_node_ptr node; -+ int frequency; -+ basic_block bb; -+ -+ // insert call to void pax_check_alloca(unsigned long size) -+ alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0); -+ stmt = gimple_build_call(check_function_decl, 1, alloca_size); -+ check_alloca = as_a_gcall(stmt); -+ gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT); -+ -+ // update the cgraph -+ bb = gimple_bb(check_alloca); -+ node = cgraph_get_create_node(check_function_decl); -+ gcc_assert(node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb); -+ cgraph_create_edge(cgraph_get_node(current_function_decl), node, check_alloca, bb->count, frequency, bb->loop_depth); -+} -+ -+static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gcall *track_stack; -+ cgraph_node_ptr node; -+ int frequency; -+ basic_block bb; -+ -+ // insert call to void pax_track_stack(void) -+ stmt = gimple_build_call(track_function_decl, 0); -+ track_stack = as_a_gcall(stmt); -+ gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING); -+ -+ // update the cgraph -+ bb = gimple_bb(track_stack); -+ node = cgraph_get_create_node(track_function_decl); -+ gcc_assert(node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb); -+ cgraph_create_edge(cgraph_get_node(current_function_decl), node, track_stack, bb->count, frequency, bb->loop_depth); -+} -+ -+static bool is_alloca(gimple stmt) -+{ -+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA)) -+ return true; -+ -+#if BUILDING_GCC_VERSION >= 4007 -+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN)) -+ return true; -+#endif -+ -+ return false; -+} -+ -+static unsigned int execute_stackleak_tree_instrument(void) -+{ -+ basic_block bb, entry_bb; -+ bool prologue_instrumented = false, is_leaf = true; -+ -+ entry_bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt; -+ -+ stmt = gsi_stmt(gsi); -+ -+ if (is_gimple_call(stmt)) -+ is_leaf = false; -+ -+ // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450> -+ if (!is_alloca(stmt)) -+ continue; -+ -+ // 2. insert stack overflow check before each __builtin_alloca call -+ stackleak_check_alloca(&gsi); -+ -+ // 3. insert track call after each __builtin_alloca call -+ stackleak_add_instrumentation(&gsi); -+ if (bb == entry_bb) -+ prologue_instrumented = true; -+ } -+ } -+ -+ // special cases for some bad linux code: taking the address of static inline functions will materialize them -+ // but we mustn't instrument some of them as the resulting stack alignment required by the function call ABI -+ // will break other assumptions regarding the expected (but not otherwise enforced) register clobbering ABI. -+ // case in point: native_save_fl on amd64 when optimized for size clobbers rdx if it were instrumented here. -+ if (is_leaf && !TREE_PUBLIC(current_function_decl) && DECL_DECLARED_INLINE_P(current_function_decl)) -+ return 0; -+ if (is_leaf && !strncmp(IDENTIFIER_POINTER(DECL_NAME(current_function_decl)), "_paravirt_", 10)) -+ return 0; -+ -+ // 4. insert track call at the beginning -+ if (!prologue_instrumented) { -+ gimple_stmt_iterator gsi; -+ -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ gsi = gsi_start_bb(bb); -+ stackleak_add_instrumentation(&gsi); -+ } -+ -+ return 0; -+} -+ -+static unsigned int execute_stackleak_final(void) -+{ -+ rtx_insn *insn, *next; -+ -+ if (cfun->calls_alloca) -+ return 0; -+ -+ // keep calls only if function frame is big enough -+ if (get_frame_size() >= track_frame_size) -+ return 0; -+ -+ // 1. find pax_track_stack calls -+ for (insn = get_insns(); insn; insn = next) { -+ // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil)) -+ rtx body; -+ -+ next = NEXT_INSN(insn); -+ if (!CALL_P(insn)) -+ continue; -+ body = PATTERN(insn); -+ if (GET_CODE(body) != CALL) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != MEM) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != SYMBOL_REF) -+ continue; -+// if (strcmp(XSTR(body, 0), track_function)) -+ if (SYMBOL_REF_DECL(body) != track_function_decl) -+ continue; -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ // 2. delete call -+ delete_insn_and_edges(insn); -+#if BUILDING_GCC_VERSION >= 4007 -+ if (GET_CODE(next) == NOTE && NOTE_KIND(next) == NOTE_INSN_CALL_ARG_LOCATION) { -+ insn = next; -+ next = NEXT_INSN(insn); -+ delete_insn_and_edges(insn); -+ } -+#endif -+ } -+ -+// print_simple_rtl(stderr, get_insns()); -+// print_rtl(stderr, get_insns()); -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ -+ return 0; -+} -+ -+static bool gate_stackleak_track_stack(void) -+{ -+ tree section; -+ -+ if (ix86_cmodel != CM_KERNEL) -+ return false; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl)); -+ if (section && TREE_VALUE(section)) { -+ section = TREE_VALUE(TREE_VALUE(section)); -+ -+ if (!strncmp(TREE_STRING_POINTER(section), ".init.text", 10)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".devinit.text", 13)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".cpuinit.text", 13)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".meminit.text", 13)) -+ return false; -+ } -+ -+ return track_frame_size >= 0; -+} -+ -+static void stackleak_start_unit(void *gcc_data, void *user_data) -+{ -+ tree fntype; -+ -+ // void pax_track_stack(void) -+ fntype = build_function_type_list(void_type_node, NULL_TREE); -+ track_function_decl = build_fn_decl(track_function, fntype); -+ DECL_ASSEMBLER_NAME(track_function_decl); // for LTO -+ TREE_PUBLIC(track_function_decl) = 1; -+ TREE_USED(track_function_decl) = 1; -+ DECL_EXTERNAL(track_function_decl) = 1; -+ DECL_ARTIFICIAL(track_function_decl) = 1; -+ DECL_PRESERVE_P(track_function_decl) = 1; -+ -+ // void pax_check_alloca(unsigned long) -+ fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE); -+ check_function_decl = build_fn_decl(check_function, fntype); -+ DECL_ASSEMBLER_NAME(check_function_decl); // for LTO -+ TREE_PUBLIC(check_function_decl) = 1; -+ TREE_USED(check_function_decl) = 1; -+ DECL_EXTERNAL(check_function_decl) = 1; -+ DECL_ARTIFICIAL(check_function_decl) = 1; -+ DECL_PRESERVE_P(check_function_decl) = 1; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data stackleak_tree_instrument_pass_data = { -+#else -+static struct gimple_opt_pass stackleak_tree_instrument_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "stackleak_tree_instrument", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_tree_instrument, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_gimple_leh | PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa | TODO_rebuild_cgraph_edges -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data stackleak_final_rtl_opt_pass_data = { -+#else -+static struct rtl_opt_pass stackleak_final_rtl_opt_pass = { -+ .pass = { -+#endif -+ .type = RTL_PASS, -+ .name = "stackleak_final", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_final, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class stackleak_tree_instrument_pass : public gimple_opt_pass { -+public: -+ stackleak_tree_instrument_pass() : gimple_opt_pass(stackleak_tree_instrument_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_stackleak_track_stack(); } -+ virtual unsigned int execute(function *) { return execute_stackleak_tree_instrument(); } -+#else -+ bool gate() { return gate_stackleak_track_stack(); } -+ unsigned int execute() { return execute_stackleak_tree_instrument(); } -+#endif -+}; -+ -+class stackleak_final_rtl_opt_pass : public rtl_opt_pass { -+public: -+ stackleak_final_rtl_opt_pass() : rtl_opt_pass(stackleak_final_rtl_opt_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_stackleak_track_stack(); } -+ virtual unsigned int execute(function *) { return execute_stackleak_final(); } -+#else -+ bool gate() { return gate_stackleak_track_stack(); } -+ unsigned int execute() { return execute_stackleak_final(); } -+#endif -+}; -+} -+ -+static opt_pass *make_stackleak_tree_instrument_pass(void) -+{ -+ return new stackleak_tree_instrument_pass(); -+} -+ -+static opt_pass *make_stackleak_final_rtl_opt_pass(void) -+{ -+ return new stackleak_final_rtl_opt_pass(); -+} -+#else -+static struct opt_pass *make_stackleak_tree_instrument_pass(void) -+{ -+ return &stackleak_tree_instrument_pass.pass; -+} -+ -+static struct opt_pass *make_stackleak_final_rtl_opt_pass(void) -+{ -+ return &stackleak_final_rtl_opt_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info stackleak_tree_instrument_pass_info; -+ struct register_pass_info stackleak_final_pass_info; -+ static const struct ggc_root_tab gt_ggc_r_gt_stackleak[] = { -+ { -+ .base = &track_function_decl, -+ .nelt = 1, -+ .stride = sizeof(track_function_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ { -+ .base = &check_function_decl, -+ .nelt = 1, -+ .stride = sizeof(check_function_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ stackleak_tree_instrument_pass_info.pass = make_stackleak_tree_instrument_pass(); -+// stackleak_tree_instrument_pass_info.reference_pass_name = "tree_profile"; -+ stackleak_tree_instrument_pass_info.reference_pass_name = "optimized"; -+ stackleak_tree_instrument_pass_info.ref_pass_instance_number = 1; -+ stackleak_tree_instrument_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ stackleak_final_pass_info.pass = make_stackleak_final_rtl_opt_pass(); -+ stackleak_final_pass_info.reference_pass_name = "final"; -+ stackleak_final_pass_info.ref_pass_instance_number = 1; -+ stackleak_final_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info); -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "track-lowest-sp")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ track_frame_size = atoi(argv[i].value); -+ if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0) -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ if (!strcmp(argv[i].key, "initialize-locals")) { -+ if (argv[i].value) { -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ init_locals = true; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_START_UNIT, &stackleak_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_stackleak); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_tree_instrument_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_final_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/structleak_plugin.c b/tools/gcc/structleak_plugin.c -new file mode 100644 -index 0000000..e9dbd4b ---- /dev/null -+++ b/tools/gcc/structleak_plugin.c -@@ -0,0 +1,287 @@ -+/* -+ * Copyright 2013-2015 by PaX Team <pageexec(a)freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to forcibly initialize certain local variables that could -+ * otherwise leak kernel stack to userland if they aren't properly initialized -+ * by later code -+ * -+ * Homepage: http://pax.grsecurity.net/ -+ * -+ * Usage: -+ * $ # for 4.5/4.6/C based 4.7 -+ * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c -+ * $ # for C++ based 4.7/4.8+ -+ * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c -+ * $ gcc -fplugin=./structleak_plugin.so test.c -O2 -+ * -+ * TODO: eliminate redundant initializers -+ * increase type coverage -+ */ -+ -+#include "gcc-common.h" -+ -+// unused C type flag in all versions 4.5-5.0 -+#define TYPE_USERSPACE(TYPE) TYPE_LANG_FLAG_5(TYPE) -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info structleak_plugin_info = { -+ .version = "201401260140", -+ .help = "disable\tdo not activate plugin\n", -+}; -+ -+static tree handle_user_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = true; -+ -+ // check for types? for now accept everything linux has to offer -+ if (TREE_CODE(*node) != FIELD_DECL) -+ return NULL_TREE; -+ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+static struct attribute_spec user_attr = { -+ .name = "user", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_user_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&user_attr); -+// register_attribute(&force_attr); -+} -+ -+static tree get_field_type(tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+static bool is_userspace_type(tree type) -+{ -+ tree field; -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ tree fieldtype = get_field_type(field); -+ enum tree_code code = TREE_CODE(fieldtype); -+ -+ if (code == RECORD_TYPE || code == UNION_TYPE) -+ if (is_userspace_type(fieldtype)) -+ return true; -+ -+ if (lookup_attribute("user", DECL_ATTRIBUTES(field))) -+ return true; -+ } -+ return false; -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+#if BUILDING_GCC_VERSION >= 5000 -+ if (TREE_CODE(type) == ENUMERAL_TYPE) -+ return; -+#endif -+ -+ if (TYPE_USERSPACE(type)) -+ return; -+ -+ if (is_userspace_type(type)) -+ TYPE_USERSPACE(type) = 1; -+} -+ -+static void initialize(tree var) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ tree initializer; -+ gimple init_stmt; -+ -+ // this is the original entry bb before the forced split -+ // TODO: check further BBs in case more splits occured before us -+ bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb->next_bb; -+ -+ // first check if the variable is already initialized, warn otherwise -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ tree rhs1; -+ -+ // we're looking for an assignment of a single rhs... -+ if (!gimple_assign_single_p(stmt)) -+ continue; -+ rhs1 = gimple_assign_rhs1(stmt); -+#if BUILDING_GCC_VERSION >= 4007 -+ // ... of a non-clobbering expression... -+ if (TREE_CLOBBER_P(rhs1)) -+ continue; -+#endif -+ // ... to our variable... -+ if (gimple_get_lhs(stmt) != var) -+ continue; -+ // if it's an initializer then we're good -+ if (TREE_CODE(rhs1) == CONSTRUCTOR) -+ return; -+ } -+ -+ // these aren't the 0days you're looking for -+// inform(DECL_SOURCE_LOCATION(var), "userspace variable will be forcibly initialized"); -+ -+ // build the initializer expression -+ initializer = build_constructor(TREE_TYPE(var), NULL); -+ -+ // build the initializer stmt -+ init_stmt = gimple_build_assign(var, initializer); -+ gsi = gsi_start_bb(ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb); -+ gsi_insert_before(&gsi, init_stmt, GSI_NEW_STMT); -+ update_stmt(init_stmt); -+} -+ -+static unsigned int handle_function(void) -+{ -+ basic_block bb; -+ unsigned int ret = 0; -+ tree var; -+ unsigned int i; -+ -+ // split the first bb where we can put the forced initializers -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ -+ // enumarate all local variables and forcibly initialize our targets -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree type = TREE_TYPE(var); -+ -+ gcc_assert(DECL_P(var)); -+ if (!auto_var_in_fn_p(var, current_function_decl)) -+ continue; -+ -+ // only care about structure types -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ // if the type is of interest, examine the variable -+ if (TYPE_USERSPACE(type)) -+ initialize(var); -+ } -+ -+ return ret; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data structleak_pass_data = { -+#else -+static struct gimple_opt_pass structleak_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "structleak", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class structleak_pass : public gimple_opt_pass { -+public: -+ structleak_pass() : gimple_opt_pass(structleak_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return handle_function(); } -+#else -+ unsigned int execute() { return handle_function(); } -+#endif -+}; -+} -+ -+static opt_pass *make_structleak_pass(void) -+{ -+ return new structleak_pass(); -+} -+#else -+static struct opt_pass *make_structleak_pass(void) -+{ -+ return &structleak_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ struct register_pass_info structleak_pass_info; -+ -+ structleak_pass_info.pass = make_structleak_pass(); -+ structleak_pass_info.reference_pass_name = "ssa"; -+ structleak_pass_info.ref_pass_instance_number = 1; -+ structleak_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name); -+ enable = false; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "disable")) { -+ enable = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &structleak_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &structleak_pass_info); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h -index 88461f0..6fb70a0 100644 ---- a/tools/include/linux/compiler.h -+++ b/tools/include/linux/compiler.h -@@ -35,6 +35,14 @@ - # define unlikely(x) __builtin_expect(!!(x), 0) - #endif - -+#ifndef __size_overflow -+# define __size_overflow(...) -+#endif -+ -+#ifndef __intentional_overflow -+# define __intentional_overflow(...) -+#endif -+ - #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) - - #endif /* _TOOLS_LINUX_COMPILER_H */ -diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile -index 8bd9606..abacd96 100644 ---- a/tools/lib/api/Makefile -+++ b/tools/lib/api/Makefile -@@ -16,7 +16,7 @@ MAKEFLAGS += --no-print-directory - LIBFILE = $(OUTPUT)libapi.a - - CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) --CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC -+CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC - CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 - - RM = rm -f -diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h -index 3a3a0f1..6cf679d 100644 ---- a/tools/perf/util/include/asm/alternative-asm.h -+++ b/tools/perf/util/include/asm/alternative-asm.h -@@ -6,4 +6,7 @@ - #define altinstruction_entry # - #define ALTERNATIVE_2 # - -+ .macro pax_force_retaddr rip=0, reload=0 -+ .endm -+ - #endif -diff --git a/tools/virtio/linux/uaccess.h b/tools/virtio/linux/uaccess.h -index 0a578fe..b81f62d 100644 ---- a/tools/virtio/linux/uaccess.h -+++ b/tools/virtio/linux/uaccess.h -@@ -13,7 +13,7 @@ static inline void __chk_user_ptr(const volatile void *p, size_t size) - ({ \ - typeof(ptr) __pu_ptr = (ptr); \ - __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \ -- ACCESS_ONCE(*(__pu_ptr)) = x; \ -+ ACCESS_ONCE_RW(*(__pu_ptr)) = x; \ - 0; \ - }) - -diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c -index 9097741..2472109 100644 ---- a/virt/kvm/kvm_main.c -+++ b/virt/kvm/kvm_main.c -@@ -81,12 +81,17 @@ LIST_HEAD(vm_list); - - static cpumask_var_t cpus_hardware_enabled; - static int kvm_usage_count; --static atomic_t hardware_enable_failed; -+static atomic_unchecked_t hardware_enable_failed; - - struct kmem_cache *kvm_vcpu_cache; - EXPORT_SYMBOL_GPL(kvm_vcpu_cache); - --static __read_mostly struct preempt_ops kvm_preempt_ops; -+static void kvm_sched_in(struct preempt_notifier *pn, int cpu); -+static void kvm_sched_out(struct preempt_notifier *pn, struct task_struct *next); -+static struct preempt_ops kvm_preempt_ops = { -+ .sched_in = kvm_sched_in, -+ .sched_out = kvm_sched_out, -+}; - - struct dentry *kvm_debugfs_dir; - EXPORT_SYMBOL_GPL(kvm_debugfs_dir); -@@ -784,7 +789,7 @@ int __kvm_set_memory_region(struct kvm *kvm, - /* We can read the guest memory with __xxx_user() later on. */ - if ((mem->slot < KVM_USER_MEM_SLOTS) && - ((mem->userspace_addr & (PAGE_SIZE - 1)) || -- !access_ok(VERIFY_WRITE, -+ !access_ok_noprefault(VERIFY_WRITE, - (void __user *)(unsigned long)mem->userspace_addr, - mem->memory_size))) - goto out; -@@ -1714,9 +1719,17 @@ EXPORT_SYMBOL_GPL(kvm_read_guest_cached); - - int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len) - { -- const void *zero_page = (const void *) __va(page_to_phys(ZERO_PAGE(0))); -+ int r; -+ unsigned long addr; - -- return kvm_write_guest_page(kvm, gfn, zero_page, offset, len); -+ addr = gfn_to_hva(kvm, gfn); -+ if (kvm_is_error_hva(addr)) -+ return -EFAULT; -+ r = __clear_user((void __user *)addr + offset, len); -+ if (r) -+ return -EFAULT; -+ mark_page_dirty(kvm, gfn); -+ return 0; - } - EXPORT_SYMBOL_GPL(kvm_clear_guest_page); - -@@ -1993,7 +2006,7 @@ static int kvm_vcpu_release(struct inode *inode, struct file *filp) - return 0; - } - --static struct file_operations kvm_vcpu_fops = { -+static file_operations_no_const kvm_vcpu_fops __read_only = { - .release = kvm_vcpu_release, - .unlocked_ioctl = kvm_vcpu_ioctl, - #ifdef CONFIG_KVM_COMPAT -@@ -2713,7 +2726,7 @@ out: - } - #endif - --static struct file_operations kvm_vm_fops = { -+static file_operations_no_const kvm_vm_fops __read_only = { - .release = kvm_vm_release, - .unlocked_ioctl = kvm_vm_ioctl, - #ifdef CONFIG_KVM_COMPAT -@@ -2784,7 +2797,7 @@ out: - return r; - } - --static struct file_operations kvm_chardev_ops = { -+static file_operations_no_const kvm_chardev_ops __read_only = { - .unlocked_ioctl = kvm_dev_ioctl, - .compat_ioctl = kvm_dev_ioctl, - .llseek = noop_llseek, -@@ -2810,7 +2823,7 @@ static void hardware_enable_nolock(void *junk) - - if (r) { - cpumask_clear_cpu(cpu, cpus_hardware_enabled); -- atomic_inc(&hardware_enable_failed); -+ atomic_inc_unchecked(&hardware_enable_failed); - pr_info("kvm: enabling virtualization on CPU%d failed\n", cpu); - } - } -@@ -2865,10 +2878,10 @@ static int hardware_enable_all(void) - - kvm_usage_count++; - if (kvm_usage_count == 1) { -- atomic_set(&hardware_enable_failed, 0); -+ atomic_set_unchecked(&hardware_enable_failed, 0); - on_each_cpu(hardware_enable_nolock, NULL, 1); - -- if (atomic_read(&hardware_enable_failed)) { -+ if (atomic_read_unchecked(&hardware_enable_failed)) { - hardware_disable_all_nolock(); - r = -EBUSY; - } -@@ -3276,7 +3289,7 @@ static void kvm_sched_out(struct preempt_notifier *pn, - kvm_arch_vcpu_put(vcpu); - } - --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module) - { - int r; -@@ -3323,7 +3336,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - if (!vcpu_align) - vcpu_align = __alignof__(struct kvm_vcpu); - kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align, -- 0, NULL); -+ SLAB_USERCOPY, NULL); - if (!kvm_vcpu_cache) { - r = -ENOMEM; - goto out_free_3; -@@ -3333,9 +3346,11 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - if (r) - goto out_free; - -+ pax_open_kernel(); - kvm_chardev_ops.owner = module; - kvm_vm_fops.owner = module; - kvm_vcpu_fops.owner = module; -+ pax_close_kernel(); - - r = misc_register(&kvm_dev); - if (r) { -@@ -3345,9 +3360,6 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - - register_syscore_ops(&kvm_syscore_ops); - -- kvm_preempt_ops.sched_in = kvm_sched_in; -- kvm_preempt_ops.sched_out = kvm_sched_out; -- - r = kvm_init_debug(); - if (r) { - pr_err("kvm: create debugfs files failed\n"); diff --git a/kernel/scripts/configure b/kernel/scripts/configure index 7047930..68a3c8a 100755 --- a/kernel/scripts/configure +++ b/kernel/scripts/configure @@ -17,10 +17,7 @@ CONFIGS="${CONFIGS} i686:legacy i686:default" CONFIGS="${CONFIGS} aarch64:default" # armv7hl -CONFIGS="${CONFIGS} armv7hl:lpae armv7hl:default" - -# armv5tel -CONFIGS="${CONFIGS} armv5tel:default" +CONFIGS="${CONFIGS} armv7hl:default" PLATFORMS="x86 arm" declare -A SUBPLATFORMS @@ -129,17 +126,8 @@ function merge_config() { ;; # ARM - armv5tel:default) - configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv5tel-default" - ;; armv7hl:default) configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv7hl-default" - ;; - armv7hl:lpae) - configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv7hl-default config-armv7hl-lpae" ;; *) echo >&2 "ERROR: Invalid parameters given: $@" @@ -248,9 +236,6 @@ function diff_configs() { # Do not include leaf configuration. case "${config}" in - armv7hl:lpae) - continue - ;; i686:legacy) continue ;; @@ -306,12 +291,12 @@ function diff_configs() { filename=${tmpdir}/config-${arch}-${flavour} case "${config}" in - aarch64:default) + aarch64:default|armv7hl:default) # Virtual configuration rm -f ${filename} continue ;; - armv7hl:lpae|i686:legacy) + i686:legacy) # Legacy depends directly on the default configuration. ${SCRIPTS_DIR}/configdiff.py ${tmpdir}/config-${arch}-default \ ${filename} > ${filename}.tmp diff --git a/texinfo/texinfo.nm b/texinfo/texinfo.nm index 1e519b4..b441e94 100644 --- a/texinfo/texinfo.nm +++ b/texinfo/texinfo.nm @@ -4,7 +4,7 @@ ############################################################################### name = texinfo -version = 6.0 +version = 6.1 release = 1 groups = Applications/Publishing hooks/post-receive -- IPFire 3.x development tree

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[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 0d9f82166175af1032333623582216bfe14bbb22
by git＠ipfire.org 18 May '16

18 May '16

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[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 15a43158ab0d2de3ec7b16f7743d33f314c5c43d
by git＠ipfire.org 18 May '16

18 May '16

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[git.ipfire.org] IPFire 2.x development tree branch, next, updated. 1193d00f514a5fb91652ab6fbfb35cacc607af0c
by git＠ipfire.org 18 May '16

18 May '16

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